From 14ec462c0e22a145205f953fda6dcf18447720da Mon Sep 17 00:00:00 2001 From: Dinnerbone Date: Mon, 3 Jan 2011 15:35:30 +0000 Subject: More formatting --- src/main/java/org/json/simple/ItemList.java | 297 ++--- src/main/java/org/json/simple/JSONArray.java | 213 ++- src/main/java/org/json/simple/JSONAware.java | 24 +- src/main/java/org/json/simple/JSONObject.java | 262 ++-- src/main/java/org/json/simple/JSONStreamAware.java | 30 +- src/main/java/org/json/simple/JSONValue.java | 552 ++++---- .../org/json/simple/parser/ContainerFactory.java | 46 +- .../org/json/simple/parser/ContentHandler.java | 219 ++-- .../java/org/json/simple/parser/JSONParser.java | 1070 +++++++-------- .../org/json/simple/parser/ParseException.java | 178 ++- src/main/java/org/json/simple/parser/Yylex.java | 1368 ++++++++++---------- src/main/java/org/json/simple/parser/Yytoken.java | 115 +- 12 files changed, 2190 insertions(+), 2184 deletions(-) (limited to 'src') diff --git a/src/main/java/org/json/simple/ItemList.java b/src/main/java/org/json/simple/ItemList.java index 07231e67..dac089cd 100644 --- a/src/main/java/org/json/simple/ItemList.java +++ b/src/main/java/org/json/simple/ItemList.java @@ -1,147 +1,150 @@ -/* - * $Id: ItemList.java,v 1.1 2006/04/15 14:10:48 platform Exp $ - * Created on 2006-3-24 - */ -package org.json.simple; - -import java.util.ArrayList; -import java.util.List; -import java.util.StringTokenizer; - -/** - * |a:b:c| => |a|,|b|,|c| - * |:| => ||,|| - * |a:| => |a|,|| - * @author FangYidong - */ -public class ItemList { - private String sp=","; - List items=new ArrayList(); - - - public ItemList(){} - - - public ItemList(String s){ - this.split(s,sp,items); - } - - public ItemList(String s,String sp){ - this.sp=s; - this.split(s,sp,items); - } - - public ItemList(String s,String sp,boolean isMultiToken){ - split(s,sp,items,isMultiToken); - } - - public List getItems(){ - return this.items; - } - - public String[] getArray(){ - return (String[])this.items.toArray(); - } - - public void split(String s,String sp,List append,boolean isMultiToken){ - if(s==null || sp==null) - return; - if(isMultiToken){ - StringTokenizer tokens=new StringTokenizer(s,sp); - while(tokens.hasMoreTokens()){ - append.add(tokens.nextToken().trim()); - } - } - else{ - this.split(s,sp,append); - } - } - - public void split(String s,String sp,List append){ - if(s==null || sp==null) - return; - int pos=0; - int prevPos=0; - do{ - prevPos=pos; - pos=s.indexOf(sp,pos); - if(pos==-1) - break; - append.add(s.substring(prevPos,pos).trim()); - pos+=sp.length(); - }while(pos!=-1); - append.add(s.substring(prevPos).trim()); - } - - public void setSP(String sp){ - this.sp=sp; - } - - public void add(int i,String item){ - if(item==null) - return; - items.add(i,item.trim()); - } - - public void add(String item){ - if(item==null) - return; - items.add(item.trim()); - } - - public void addAll(ItemList list){ - items.addAll(list.items); - } - - public void addAll(String s){ - this.split(s,sp,items); - } - - public void addAll(String s,String sp){ - this.split(s,sp,items); - } - - public void addAll(String s,String sp,boolean isMultiToken){ - this.split(s,sp,items,isMultiToken); - } - - /** - * @param i 0-based - * @return - */ - public String get(int i){ - return (String)items.get(i); - } - - public int size(){ - return items.size(); - } - - public String toString(){ - return toString(sp); - } - - public String toString(String sp){ - StringBuffer sb=new StringBuffer(); - - for(int i=0;i |a|,|b|,|c| + * |:| => ||,|| + * |a:| => |a|,|| + * @author FangYidong + */ +public class ItemList { + private String sp = ","; + List items = new ArrayList(); + + public ItemList() { + } + + public ItemList(String s) { + this.split(s, sp, items); + } + + public ItemList(String s, String sp) { + this.sp = s; + this.split(s, sp, items); + } + + public ItemList(String s, String sp, boolean isMultiToken) { + split(s, sp, items, isMultiToken); + } + + public List getItems() { + return this.items; + } + + public String[] getArray() { + return (String[]) this.items.toArray(); + } + + public void split(String s, String sp, List append, boolean isMultiToken) { + if (s == null || sp == null) { + return; + } + if (isMultiToken) { + StringTokenizer tokens = new StringTokenizer(s, sp); + while (tokens.hasMoreTokens()) { + append.add(tokens.nextToken().trim()); + } + } else { + this.split(s, sp, append); + } + } + + public void split(String s, String sp, List append) { + if (s == null || sp == null) { + return; + } + int pos = 0; + int prevPos = 0; + do { + prevPos = pos; + pos = s.indexOf(sp, pos); + if (pos == -1) { + break; + } + append.add(s.substring(prevPos, pos).trim()); + pos += sp.length(); + } while (pos != -1); + append.add(s.substring(prevPos).trim()); + } + + public void setSP(String sp) { + this.sp = sp; + } + + public void add(int i, String item) { + if (item == null) { + return; + } + items.add(i, item.trim()); + } + + public void add(String item) { + if (item == null) { + return; + } + items.add(item.trim()); + } + + public void addAll(ItemList list) { + items.addAll(list.items); + } + + public void addAll(String s) { + this.split(s, sp, items); + } + + public void addAll(String s, String sp) { + this.split(s, sp, items); + } + + public void addAll(String s, String sp, boolean isMultiToken) { + this.split(s, sp, items, isMultiToken); + } + + /** + * @param i 0-based + * @return + */ + public String get(int i) { + return (String) items.get(i); + } + + public int size() { + return items.size(); + } + + public String toString() { + return toString(sp); + } + + public String toString(String sp) { + StringBuffer sb = new StringBuffer(); + + for (int i = 0; i < items.size(); i++) { + if (i == 0) { + sb.append(items.get(i)); + } else { + sb.append(sp); + sb.append(items.get(i)); + } + } + return sb.toString(); + + } + + public void clear() { + items.clear(); + } + + public void reset() { + sp = ","; + items.clear(); + } +} diff --git a/src/main/java/org/json/simple/JSONArray.java b/src/main/java/org/json/simple/JSONArray.java index 57167f48..7a1e3e21 100644 --- a/src/main/java/org/json/simple/JSONArray.java +++ b/src/main/java/org/json/simple/JSONArray.java @@ -1,107 +1,106 @@ -/* - * $Id: JSONArray.java,v 1.1 2006/04/15 14:10:48 platform Exp $ - * Created on 2006-4-10 - */ -package org.json.simple; - -import java.io.IOException; -import java.io.Writer; -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; - - -/** - * A JSON array. JSONObject supports java.util.List interface. - * - * @author FangYidong - */ -public class JSONArray extends ArrayList implements List, JSONAware, JSONStreamAware { - private static final long serialVersionUID = 3957988303675231981L; - - /** - * Encode a list into JSON text and write it to out. - * If this list is also a JSONStreamAware or a JSONAware, JSONStreamAware and JSONAware specific behaviours will be ignored at this top level. - * - * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) - * - * @param list - * @param out - */ - public static void writeJSONString(List list, Writer out) throws IOException{ - if(list == null){ - out.write("null"); - return; - } - - boolean first = true; - Iterator iter=list.iterator(); - - out.write('['); - while(iter.hasNext()){ - if(first) - first = false; - else - out.write(','); - - Object value=iter.next(); - if(value == null){ - out.write("null"); - continue; - } - - JSONValue.writeJSONString(value, out); - } - out.write(']'); - } - - public void writeJSONString(Writer out) throws IOException{ - writeJSONString(this, out); - } - - /** - * Convert a list to JSON text. The result is a JSON array. - * If this list is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. - * - * @see org.json.simple.JSONValue#toJSONString(Object) - * - * @param list - * @return JSON text, or "null" if list is null. - */ - public static String toJSONString(List list){ - if(list == null) - return "null"; - - boolean first = true; - StringBuffer sb = new StringBuffer(); - Iterator iter=list.iterator(); - - sb.append('['); - while(iter.hasNext()){ - if(first) - first = false; - else - sb.append(','); - - Object value=iter.next(); - if(value == null){ - sb.append("null"); - continue; - } - sb.append(JSONValue.toJSONString(value)); - } - sb.append(']'); - return sb.toString(); - } - - public String toJSONString(){ - return toJSONString(this); - } - - public String toString() { - return toJSONString(); - } - - - -} +/* + * $Id: JSONArray.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-10 + */ +package org.json.simple; + +import java.io.IOException; +import java.io.Writer; +import java.util.ArrayList; +import java.util.Iterator; +import java.util.List; + +/** + * A JSON array. JSONObject supports java.util.List interface. + * + * @author FangYidong + */ +public class JSONArray extends ArrayList implements List, JSONAware, JSONStreamAware { + private static final long serialVersionUID = 3957988303675231981L; + + /** + * Encode a list into JSON text and write it to out. + * If this list is also a JSONStreamAware or a JSONAware, JSONStreamAware and JSONAware specific behaviours will be ignored at this top level. + * + * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) + * + * @param list + * @param out + */ + public static void writeJSONString(List list, Writer out) throws IOException { + if (list == null) { + out.write("null"); + return; + } + + boolean first = true; + Iterator iter = list.iterator(); + + out.write('['); + while (iter.hasNext()) { + if (first) { + first = false; + } else { + out.write(','); + } + + Object value = iter.next(); + if (value == null) { + out.write("null"); + continue; + } + + JSONValue.writeJSONString(value, out); + } + out.write(']'); + } + + public void writeJSONString(Writer out) throws IOException { + writeJSONString(this, out); + } + + /** + * Convert a list to JSON text. The result is a JSON array. + * If this list is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. + * + * @see org.json.simple.JSONValue#toJSONString(Object) + * + * @param list + * @return JSON text, or "null" if list is null. + */ + public static String toJSONString(List list) { + if (list == null) { + return "null"; + } + + boolean first = true; + StringBuffer sb = new StringBuffer(); + Iterator iter = list.iterator(); + + sb.append('['); + while (iter.hasNext()) { + if (first) { + first = false; + } else { + sb.append(','); + } + + Object value = iter.next(); + if (value == null) { + sb.append("null"); + continue; + } + sb.append(JSONValue.toJSONString(value)); + } + sb.append(']'); + return sb.toString(); + } + + public String toJSONString() { + return toJSONString(this); + } + + public String toString() { + return toJSONString(); + } +} diff --git a/src/main/java/org/json/simple/JSONAware.java b/src/main/java/org/json/simple/JSONAware.java index 89f15251..c7fd4efe 100644 --- a/src/main/java/org/json/simple/JSONAware.java +++ b/src/main/java/org/json/simple/JSONAware.java @@ -1,12 +1,12 @@ -package org.json.simple; - -/** - * Beans that support customized output of JSON text shall implement this interface. - * @author FangYidong - */ -public interface JSONAware { - /** - * @return JSON text - */ - String toJSONString(); -} +package org.json.simple; + +/** + * Beans that support customized output of JSON text shall implement this interface. + * @author FangYidong + */ +public interface JSONAware { + /** + * @return JSON text + */ + String toJSONString(); +} diff --git a/src/main/java/org/json/simple/JSONObject.java b/src/main/java/org/json/simple/JSONObject.java index d4401e11..7c459364 100644 --- a/src/main/java/org/json/simple/JSONObject.java +++ b/src/main/java/org/json/simple/JSONObject.java @@ -1,129 +1,133 @@ -/* - * $Id: JSONObject.java,v 1.1 2006/04/15 14:10:48 platform Exp $ - * Created on 2006-4-10 - */ -package org.json.simple; - -import java.io.IOException; -import java.io.Writer; -import java.util.HashMap; -import java.util.Iterator; -import java.util.Map; - -/** - * A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface. - * - * @author FangYidong - */ -public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware{ - private static final long serialVersionUID = -503443796854799292L; - - /** - * Encode a map into JSON text and write it to out. - * If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level. - * - * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) - * - * @param map - * @param out - */ - public static void writeJSONString(Map map, Writer out) throws IOException { - if(map == null){ - out.write("null"); - return; - } - - boolean first = true; - Iterator iter=map.entrySet().iterator(); - - out.write('{'); - while(iter.hasNext()){ - if(first) - first = false; - else - out.write(','); - Map.Entry entry=(Map.Entry)iter.next(); - out.write('\"'); - out.write(escape(String.valueOf(entry.getKey()))); - out.write('\"'); - out.write(':'); - JSONValue.writeJSONString(entry.getValue(), out); - } - out.write('}'); - } - - public void writeJSONString(Writer out) throws IOException{ - writeJSONString(this, out); - } - - /** - * Convert a map to JSON text. The result is a JSON object. - * If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. - * - * @see org.json.simple.JSONValue#toJSONString(Object) - * - * @param map - * @return JSON text, or "null" if map is null. - */ - public static String toJSONString(Map map){ - if(map == null) - return "null"; - - StringBuffer sb = new StringBuffer(); - boolean first = true; - Iterator iter=map.entrySet().iterator(); - - sb.append('{'); - while(iter.hasNext()){ - if(first) - first = false; - else - sb.append(','); - - Map.Entry entry=(Map.Entry)iter.next(); - toJSONString(String.valueOf(entry.getKey()),entry.getValue(), sb); - } - sb.append('}'); - return sb.toString(); - } - - public String toJSONString(){ - return toJSONString(this); - } - - private static String toJSONString(String key,Object value, StringBuffer sb){ - sb.append('\"'); - if(key == null) - sb.append("null"); - else - JSONValue.escape(key, sb); - sb.append('\"').append(':'); - - sb.append(JSONValue.toJSONString(value)); - - return sb.toString(); - } - - public String toString(){ - return toJSONString(); - } - - public static String toString(String key,Object value){ - StringBuffer sb = new StringBuffer(); - toJSONString(key, value, sb); - return sb.toString(); - } - - /** - * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). - * It's the same as JSONValue.escape() only for compatibility here. - * - * @see org.json.simple.JSONValue#escape(String) - * - * @param s - * @return - */ - public static String escape(String s){ - return JSONValue.escape(s); - } -} +/* + * $Id: JSONObject.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-10 + */ +package org.json.simple; + +import java.io.IOException; +import java.io.Writer; +import java.util.HashMap; +import java.util.Iterator; +import java.util.Map; + +/** + * A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface. + * + * @author FangYidong + */ +public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware { + private static final long serialVersionUID = -503443796854799292L; + + /** + * Encode a map into JSON text and write it to out. + * If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level. + * + * @see org.json.simple.JSONValue#writeJSONString(Object, Writer) + * + * @param map + * @param out + */ + public static void writeJSONString(Map map, Writer out) throws IOException { + if (map == null) { + out.write("null"); + return; + } + + boolean first = true; + Iterator iter = map.entrySet().iterator(); + + out.write('{'); + while (iter.hasNext()) { + if (first) { + first = false; + } else { + out.write(','); + } + Map.Entry entry = (Map.Entry) iter.next(); + out.write('\"'); + out.write(escape(String.valueOf(entry.getKey()))); + out.write('\"'); + out.write(':'); + JSONValue.writeJSONString(entry.getValue(), out); + } + out.write('}'); + } + + public void writeJSONString(Writer out) throws IOException { + writeJSONString(this, out); + } + + /** + * Convert a map to JSON text. The result is a JSON object. + * If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level. + * + * @see org.json.simple.JSONValue#toJSONString(Object) + * + * @param map + * @return JSON text, or "null" if map is null. + */ + public static String toJSONString(Map map) { + if (map == null) { + return "null"; + } + + StringBuffer sb = new StringBuffer(); + boolean first = true; + Iterator iter = map.entrySet().iterator(); + + sb.append('{'); + while (iter.hasNext()) { + if (first) { + first = false; + } else { + sb.append(','); + } + + Map.Entry entry = (Map.Entry) iter.next(); + toJSONString(String.valueOf(entry.getKey()), entry.getValue(), sb); + } + sb.append('}'); + return sb.toString(); + } + + public String toJSONString() { + return toJSONString(this); + } + + private static String toJSONString(String key, Object value, StringBuffer sb) { + sb.append('\"'); + if (key == null) { + sb.append("null"); + } else { + JSONValue.escape(key, sb); + } + sb.append('\"').append(':'); + + sb.append(JSONValue.toJSONString(value)); + + return sb.toString(); + } + + public String toString() { + return toJSONString(); + } + + public static String toString(String key, Object value) { + StringBuffer sb = new StringBuffer(); + toJSONString(key, value, sb); + return sb.toString(); + } + + /** + * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). + * It's the same as JSONValue.escape() only for compatibility here. + * + * @see org.json.simple.JSONValue#escape(String) + * + * @param s + * @return + */ + public static String escape(String s) { + return JSONValue.escape(s); + } +} diff --git a/src/main/java/org/json/simple/JSONStreamAware.java b/src/main/java/org/json/simple/JSONStreamAware.java index c2287c45..2156aeaf 100644 --- a/src/main/java/org/json/simple/JSONStreamAware.java +++ b/src/main/java/org/json/simple/JSONStreamAware.java @@ -1,15 +1,15 @@ -package org.json.simple; - -import java.io.IOException; -import java.io.Writer; - -/** - * Beans that support customized output of JSON text to a writer shall implement this interface. - * @author FangYidong - */ -public interface JSONStreamAware { - /** - * write JSON string to out. - */ - void writeJSONString(Writer out) throws IOException; -} +package org.json.simple; + +import java.io.IOException; +import java.io.Writer; + +/** + * Beans that support customized output of JSON text to a writer shall implement this interface. + * @author FangYidong + */ +public interface JSONStreamAware { + /** + * write JSON string to out. + */ + void writeJSONString(Writer out) throws IOException; +} diff --git a/src/main/java/org/json/simple/JSONValue.java b/src/main/java/org/json/simple/JSONValue.java index aba3c40c..dc390875 100644 --- a/src/main/java/org/json/simple/JSONValue.java +++ b/src/main/java/org/json/simple/JSONValue.java @@ -1,272 +1,280 @@ -/* - * $Id: JSONValue.java,v 1.1 2006/04/15 14:37:04 platform Exp $ - * Created on 2006-4-15 - */ -package org.json.simple; - -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.io.Writer; -import java.util.List; -import java.util.Map; - -import org.json.simple.parser.JSONParser; -import org.json.simple.parser.ParseException; - - -/** - * @author FangYidong - */ -public class JSONValue { - /** - * Parse JSON text into java object from the input source. - * Please use parseWithException() if you don't want to ignore the exception. - * - * @see org.json.simple.parser.JSONParser#parse(Reader) - * @see #parseWithException(Reader) - * - * @param in - * @return Instance of the following: - * org.json.simple.JSONObject, - * org.json.simple.JSONArray, - * java.lang.String, - * java.lang.Number, - * java.lang.Boolean, - * null - * - */ - public static Object parse(Reader in){ - try{ - JSONParser parser=new JSONParser(); - return parser.parse(in); - } - catch(Exception e){ - return null; - } - } - - public static Object parse(String s){ - StringReader in=new StringReader(s); - return parse(in); - } - - /** - * Parse JSON text into java object from the input source. - * - * @see org.json.simple.parser.JSONParser - * - * @param in - * @return Instance of the following: - * org.json.simple.JSONObject, - * org.json.simple.JSONArray, - * java.lang.String, - * java.lang.Number, - * java.lang.Boolean, - * null - * - * @throws IOException - * @throws ParseException - */ - public static Object parseWithException(Reader in) throws IOException, ParseException{ - JSONParser parser=new JSONParser(); - return parser.parse(in); - } - - public static Object parseWithException(String s) throws ParseException{ - JSONParser parser=new JSONParser(); - return parser.parse(s); - } - - /** - * Encode an object into JSON text and write it to out. - *

- * If this object is a Map or a List, and it's also a JSONStreamAware or a JSONAware, JSONStreamAware or JSONAware will be considered firstly. - *

- * DO NOT call this method from writeJSONString(Writer) of a class that implements both JSONStreamAware and (Map or List) with - * "this" as the first parameter, use JSONObject.writeJSONString(Map, Writer) or JSONArray.writeJSONString(List, Writer) instead. - * - * @see org.json.simple.JSONObject#writeJSONString(Map, Writer) - * @see org.json.simple.JSONArray#writeJSONString(List, Writer) - * - * @param value - * @param writer - */ - public static void writeJSONString(Object value, Writer out) throws IOException { - if(value == null){ - out.write("null"); - return; - } - - if(value instanceof String){ - out.write('\"'); - out.write(escape((String)value)); - out.write('\"'); - return; - } - - if(value instanceof Double){ - if(((Double)value).isInfinite() || ((Double)value).isNaN()) - out.write("null"); - else - out.write(value.toString()); - return; - } - - if(value instanceof Float){ - if(((Float)value).isInfinite() || ((Float)value).isNaN()) - out.write("null"); - else - out.write(value.toString()); - return; - } - - if(value instanceof Number){ - out.write(value.toString()); - return; - } - - if(value instanceof Boolean){ - out.write(value.toString()); - return; - } - - if((value instanceof JSONStreamAware)){ - ((JSONStreamAware)value).writeJSONString(out); - return; - } - - if((value instanceof JSONAware)){ - out.write(((JSONAware)value).toJSONString()); - return; - } - - if(value instanceof Map){ - JSONObject.writeJSONString((Map)value, out); - return; - } - - if(value instanceof List){ - JSONArray.writeJSONString((List)value, out); - return; - } - - out.write(value.toString()); - } - - /** - * Convert an object to JSON text. - *

- * If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly. - *

- * DO NOT call this method from toJSONString() of a class that implements both JSONAware and Map or List with - * "this" as the parameter, use JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead. - * - * @see org.json.simple.JSONObject#toJSONString(Map) - * @see org.json.simple.JSONArray#toJSONString(List) - * - * @param value - * @return JSON text, or "null" if value is null or it's an NaN or an INF number. - */ - public static String toJSONString(Object value){ - if(value == null) - return "null"; - - if(value instanceof String) - return "\""+escape((String)value)+"\""; - - if(value instanceof Double){ - if(((Double)value).isInfinite() || ((Double)value).isNaN()) - return "null"; - else - return value.toString(); - } - - if(value instanceof Float){ - if(((Float)value).isInfinite() || ((Float)value).isNaN()) - return "null"; - else - return value.toString(); - } - - if(value instanceof Number) - return value.toString(); - - if(value instanceof Boolean) - return value.toString(); - - if((value instanceof JSONAware)) - return ((JSONAware)value).toJSONString(); - - if(value instanceof Map) - return JSONObject.toJSONString((Map)value); - - if(value instanceof List) - return JSONArray.toJSONString((List)value); - - return value.toString(); - } - - /** - * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). - * @param s - * @return - */ - public static String escape(String s){ - if(s==null) - return null; - StringBuffer sb = new StringBuffer(); - escape(s, sb); - return sb.toString(); - } - - /** - * @param s - Must not be null. - * @param sb - */ - static void escape(String s, StringBuffer sb) { - for(int i=0;i='\u0000' && ch<='\u001F') || (ch>='\u007F' && ch<='\u009F') || (ch>='\u2000' && ch<='\u20FF')){ - String ss=Integer.toHexString(ch); - sb.append("\\u"); - for(int k=0;k<4-ss.length();k++){ - sb.append('0'); - } - sb.append(ss.toUpperCase()); - } - else{ - sb.append(ch); - } - } - }//for - } - -} +/* + * $Id: JSONValue.java,v 1.1 2006/04/15 14:37:04 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple; + +import java.io.IOException; +import java.io.Reader; +import java.io.StringReader; +import java.io.Writer; +import java.util.List; +import java.util.Map; + +import org.json.simple.parser.JSONParser; +import org.json.simple.parser.ParseException; + +/** + * @author FangYidong + */ +public class JSONValue { + /** + * Parse JSON text into java object from the input source. + * Please use parseWithException() if you don't want to ignore the exception. + * + * @see org.json.simple.parser.JSONParser#parse(Reader) + * @see #parseWithException(Reader) + * + * @param in + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + */ + public static Object parse(Reader in) { + try { + JSONParser parser = new JSONParser(); + return parser.parse(in); + } catch (Exception e) { + return null; + } + } + + public static Object parse(String s) { + StringReader in = new StringReader(s); + return parse(in); + } + + /** + * Parse JSON text into java object from the input source. + * + * @see org.json.simple.parser.JSONParser + * + * @param in + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @throws IOException + * @throws ParseException + */ + public static Object parseWithException(Reader in) throws IOException, ParseException { + JSONParser parser = new JSONParser(); + return parser.parse(in); + } + + public static Object parseWithException(String s) throws ParseException { + JSONParser parser = new JSONParser(); + return parser.parse(s); + } + + /** + * Encode an object into JSON text and write it to out. + *

+ * If this object is a Map or a List, and it's also a JSONStreamAware or a JSONAware, JSONStreamAware or JSONAware will be considered firstly. + *

+ * DO NOT call this method from writeJSONString(Writer) of a class that implements both JSONStreamAware and (Map or List) with + * "this" as the first parameter, use JSONObject.writeJSONString(Map, Writer) or JSONArray.writeJSONString(List, Writer) instead. + * + * @see org.json.simple.JSONObject#writeJSONString(Map, Writer) + * @see org.json.simple.JSONArray#writeJSONString(List, Writer) + * + * @param value + * @param writer + */ + public static void writeJSONString(Object value, Writer out) throws IOException { + if (value == null) { + out.write("null"); + return; + } + + if (value instanceof String) { + out.write('\"'); + out.write(escape((String) value)); + out.write('\"'); + return; + } + + if (value instanceof Double) { + if (((Double) value).isInfinite() || ((Double) value).isNaN()) { + out.write("null"); + } else { + out.write(value.toString()); + } + return; + } + + if (value instanceof Float) { + if (((Float) value).isInfinite() || ((Float) value).isNaN()) { + out.write("null"); + } else { + out.write(value.toString()); + } + return; + } + + if (value instanceof Number) { + out.write(value.toString()); + return; + } + + if (value instanceof Boolean) { + out.write(value.toString()); + return; + } + + if ((value instanceof JSONStreamAware)) { + ((JSONStreamAware) value).writeJSONString(out); + return; + } + + if ((value instanceof JSONAware)) { + out.write(((JSONAware) value).toJSONString()); + return; + } + + if (value instanceof Map) { + JSONObject.writeJSONString((Map) value, out); + return; + } + + if (value instanceof List) { + JSONArray.writeJSONString((List) value, out); + return; + } + + out.write(value.toString()); + } + + /** + * Convert an object to JSON text. + *

+ * If this object is a Map or a List, and it's also a JSONAware, JSONAware will be considered firstly. + *

+ * DO NOT call this method from toJSONString() of a class that implements both JSONAware and Map or List with + * "this" as the parameter, use JSONObject.toJSONString(Map) or JSONArray.toJSONString(List) instead. + * + * @see org.json.simple.JSONObject#toJSONString(Map) + * @see org.json.simple.JSONArray#toJSONString(List) + * + * @param value + * @return JSON text, or "null" if value is null or it's an NaN or an INF number. + */ + public static String toJSONString(Object value) { + if (value == null) { + return "null"; + } + + if (value instanceof String) { + return "\"" + escape((String) value) + "\""; + } + + if (value instanceof Double) { + if (((Double) value).isInfinite() || ((Double) value).isNaN()) { + return "null"; + } else { + return value.toString(); + } + } + + if (value instanceof Float) { + if (((Float) value).isInfinite() || ((Float) value).isNaN()) { + return "null"; + } else { + return value.toString(); + } + } + + if (value instanceof Number) { + return value.toString(); + } + + if (value instanceof Boolean) { + return value.toString(); + } + + if ((value instanceof JSONAware)) { + return ((JSONAware) value).toJSONString(); + } + + if (value instanceof Map) { + return JSONObject.toJSONString((Map) value); + } + + if (value instanceof List) { + return JSONArray.toJSONString((List) value); + } + + return value.toString(); + } + + /** + * Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). + * @param s + * @return + */ + public static String escape(String s) { + if (s == null) { + return null; + } + StringBuffer sb = new StringBuffer(); + escape(s, sb); + return sb.toString(); + } + + /** + * @param s - Must not be null. + * @param sb + */ + static void escape(String s, StringBuffer sb) { + for (int i = 0; i < s.length(); i++) { + char ch = s.charAt(i); + switch (ch) { + case '"': + sb.append("\\\""); + break; + case '\\': + sb.append("\\\\"); + break; + case '\b': + sb.append("\\b"); + break; + case '\f': + sb.append("\\f"); + break; + case '\n': + sb.append("\\n"); + break; + case '\r': + sb.append("\\r"); + break; + case '\t': + sb.append("\\t"); + break; + case '/': + sb.append("\\/"); + break; + default: + //Reference: http://www.unicode.org/versions/Unicode5.1.0/ + if ((ch >= '\u0000' && ch <= '\u001F') || (ch >= '\u007F' && ch <= '\u009F') || (ch >= '\u2000' && ch <= '\u20FF')) { + String ss = Integer.toHexString(ch); + sb.append("\\u"); + for (int k = 0; k < 4 - ss.length(); k++) { + sb.append('0'); + } + sb.append(ss.toUpperCase()); + } else { + sb.append(ch); + } + } + }//for + } +} diff --git a/src/main/java/org/json/simple/parser/ContainerFactory.java b/src/main/java/org/json/simple/parser/ContainerFactory.java index 366ac4de..980108fe 100644 --- a/src/main/java/org/json/simple/parser/ContainerFactory.java +++ b/src/main/java/org/json/simple/parser/ContainerFactory.java @@ -1,23 +1,23 @@ -package org.json.simple.parser; - -import java.util.List; -import java.util.Map; - -/** - * Container factory for creating containers for JSON object and JSON array. - * - * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContainerFactory) - * - * @author FangYidong - */ -public interface ContainerFactory { - /** - * @return A Map instance to store JSON object, or null if you want to use org.json.simple.JSONObject. - */ - Map createObjectContainer(); - - /** - * @return A List instance to store JSON array, or null if you want to use org.json.simple.JSONArray. - */ - List creatArrayContainer(); -} +package org.json.simple.parser; + +import java.util.List; +import java.util.Map; + +/** + * Container factory for creating containers for JSON object and JSON array. + * + * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContainerFactory) + * + * @author FangYidong + */ +public interface ContainerFactory { + /** + * @return A Map instance to store JSON object, or null if you want to use org.json.simple.JSONObject. + */ + Map createObjectContainer(); + + /** + * @return A List instance to store JSON array, or null if you want to use org.json.simple.JSONArray. + */ + List creatArrayContainer(); +} diff --git a/src/main/java/org/json/simple/parser/ContentHandler.java b/src/main/java/org/json/simple/parser/ContentHandler.java index ae8d0655..4feb305d 100644 --- a/src/main/java/org/json/simple/parser/ContentHandler.java +++ b/src/main/java/org/json/simple/parser/ContentHandler.java @@ -1,110 +1,109 @@ -package org.json.simple.parser; - -import java.io.IOException; - -/** - * A simplified and stoppable SAX-like content handler for stream processing of JSON text. - * - * @see org.xml.sax.ContentHandler - * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContentHandler, boolean) - * - * @author FangYidong - */ -public interface ContentHandler { - /** - * Receive notification of the beginning of JSON processing. - * The parser will invoke this method only once. - * - * @throws ParseException - * - JSONParser will stop and throw the same exception to the caller when receiving this exception. - */ - void startJSON() throws ParseException, IOException; - - /** - * Receive notification of the end of JSON processing. - * - * @throws ParseException - */ - void endJSON() throws ParseException, IOException; - - /** - * Receive notification of the beginning of a JSON object. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - JSONParser will stop and throw the same exception to the caller when receiving this exception. - * @see #endJSON - */ - boolean startObject() throws ParseException, IOException; - - /** - * Receive notification of the end of a JSON object. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - * @see #startObject - */ - boolean endObject() throws ParseException, IOException; - - /** - * Receive notification of the beginning of a JSON object entry. - * - * @param key - Key of a JSON object entry. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - * @see #endObjectEntry - */ - boolean startObjectEntry(String key) throws ParseException, IOException; - - /** - * Receive notification of the end of the value of previous object entry. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - * @see #startObjectEntry - */ - boolean endObjectEntry() throws ParseException, IOException; - - /** - * Receive notification of the beginning of a JSON array. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - * @see #endArray - */ - boolean startArray() throws ParseException, IOException; - - /** - * Receive notification of the end of a JSON array. - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - * - * @see #startArray - */ - boolean endArray() throws ParseException, IOException; - - /** - * Receive notification of the JSON primitive values: - * java.lang.String, - * java.lang.Number, - * java.lang.Boolean - * null - * - * @param value - Instance of the following: - * java.lang.String, - * java.lang.Number, - * java.lang.Boolean - * null - * - * @return false if the handler wants to stop parsing after return. - * @throws ParseException - */ - boolean primitive(Object value) throws ParseException, IOException; - -} +package org.json.simple.parser; + +import java.io.IOException; + +/** + * A simplified and stoppable SAX-like content handler for stream processing of JSON text. + * + * @see org.xml.sax.ContentHandler + * @see org.json.simple.parser.JSONParser#parse(java.io.Reader, ContentHandler, boolean) + * + * @author FangYidong + */ +public interface ContentHandler { + /** + * Receive notification of the beginning of JSON processing. + * The parser will invoke this method only once. + * + * @throws ParseException + * - JSONParser will stop and throw the same exception to the caller when receiving this exception. + */ + void startJSON() throws ParseException, IOException; + + /** + * Receive notification of the end of JSON processing. + * + * @throws ParseException + */ + void endJSON() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON object. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * - JSONParser will stop and throw the same exception to the caller when receiving this exception. + * @see #endJSON + */ + boolean startObject() throws ParseException, IOException; + + /** + * Receive notification of the end of a JSON object. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startObject + */ + boolean endObject() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON object entry. + * + * @param key - Key of a JSON object entry. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #endObjectEntry + */ + boolean startObjectEntry(String key) throws ParseException, IOException; + + /** + * Receive notification of the end of the value of previous object entry. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startObjectEntry + */ + boolean endObjectEntry() throws ParseException, IOException; + + /** + * Receive notification of the beginning of a JSON array. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #endArray + */ + boolean startArray() throws ParseException, IOException; + + /** + * Receive notification of the end of a JSON array. + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + * + * @see #startArray + */ + boolean endArray() throws ParseException, IOException; + + /** + * Receive notification of the JSON primitive values: + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean + * null + * + * @param value - Instance of the following: + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean + * null + * + * @return false if the handler wants to stop parsing after return. + * @throws ParseException + */ + boolean primitive(Object value) throws ParseException, IOException; +} diff --git a/src/main/java/org/json/simple/parser/JSONParser.java b/src/main/java/org/json/simple/parser/JSONParser.java index 9acaa377..b1727ae1 100644 --- a/src/main/java/org/json/simple/parser/JSONParser.java +++ b/src/main/java/org/json/simple/parser/JSONParser.java @@ -1,533 +1,537 @@ -/* - * $Id: JSONParser.java,v 1.1 2006/04/15 14:10:48 platform Exp $ - * Created on 2006-4-15 - */ -package org.json.simple.parser; - -import java.io.IOException; -import java.io.Reader; -import java.io.StringReader; -import java.util.LinkedList; -import java.util.List; -import java.util.Map; - -import org.json.simple.JSONArray; -import org.json.simple.JSONObject; - - -/** - * Parser for JSON text. Please note that JSONParser is NOT thread-safe. - * - * @author FangYidong - */ -public class JSONParser { - public static final int S_INIT=0; - public static final int S_IN_FINISHED_VALUE=1;//string,number,boolean,null,object,array - public static final int S_IN_OBJECT=2; - public static final int S_IN_ARRAY=3; - public static final int S_PASSED_PAIR_KEY=4; - public static final int S_IN_PAIR_VALUE=5; - public static final int S_END=6; - public static final int S_IN_ERROR=-1; - - private LinkedList handlerStatusStack; - private Yylex lexer = new Yylex((Reader)null); - private Yytoken token = null; - private int status = S_INIT; - - private int peekStatus(LinkedList statusStack){ - if(statusStack.size()==0) - return -1; - Integer status=(Integer)statusStack.getFirst(); - return status.intValue(); - } - - /** - * Reset the parser to the initial state without resetting the underlying reader. - * - */ - public void reset(){ - token = null; - status = S_INIT; - handlerStatusStack = null; - } - - /** - * Reset the parser to the initial state with a new character reader. - * - * @param in - The new character reader. - * @throws IOException - * @throws ParseException - */ - public void reset(Reader in){ - lexer.yyreset(in); - reset(); - } - - /** - * @return The position of the beginning of the current token. - */ - public int getPosition(){ - return lexer.getPosition(); - } - - public Object parse(String s) throws ParseException{ - return parse(s, (ContainerFactory)null); - } - - public Object parse(String s, ContainerFactory containerFactory) throws ParseException{ - StringReader in=new StringReader(s); - try{ - return parse(in, containerFactory); - } - catch(IOException ie){ - /* - * Actually it will never happen. - */ - throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); - } - } - - public Object parse(Reader in) throws IOException, ParseException{ - return parse(in, (ContainerFactory)null); - } - - /** - * Parse JSON text into java object from the input source. - * - * @param in - * @param containerFactory - Use this factory to createyour own JSON object and JSON array containers. - * @return Instance of the following: - * org.json.simple.JSONObject, - * org.json.simple.JSONArray, - * java.lang.String, - * java.lang.Number, - * java.lang.Boolean, - * null - * - * @throws IOException - * @throws ParseException - */ - public Object parse(Reader in, ContainerFactory containerFactory) throws IOException, ParseException{ - reset(in); - LinkedList statusStack = new LinkedList(); - LinkedList valueStack = new LinkedList(); - - try{ - do{ - nextToken(); - switch(status){ - case S_INIT: - switch(token.type){ - case Yytoken.TYPE_VALUE: - status=S_IN_FINISHED_VALUE; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(token.value); - break; - case Yytoken.TYPE_LEFT_BRACE: - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(createObjectContainer(containerFactory)); - break; - case Yytoken.TYPE_LEFT_SQUARE: - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(createArrayContainer(containerFactory)); - break; - default: - status=S_IN_ERROR; - }//inner switch - break; - - case S_IN_FINISHED_VALUE: - if(token.type==Yytoken.TYPE_EOF) - return valueStack.removeFirst(); - else - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - - case S_IN_OBJECT: - switch(token.type){ - case Yytoken.TYPE_COMMA: - break; - case Yytoken.TYPE_VALUE: - if(token.value instanceof String){ - String key=(String)token.value; - valueStack.addFirst(key); - status=S_PASSED_PAIR_KEY; - statusStack.addFirst(new Integer(status)); - } - else{ - status=S_IN_ERROR; - } - break; - case Yytoken.TYPE_RIGHT_BRACE: - if(valueStack.size()>1){ - statusStack.removeFirst(); - valueStack.removeFirst(); - status=peekStatus(statusStack); - } - else{ - status=S_IN_FINISHED_VALUE; - } - break; - default: - status=S_IN_ERROR; - break; - }//inner switch - break; - - case S_PASSED_PAIR_KEY: - switch(token.type){ - case Yytoken.TYPE_COLON: - break; - case Yytoken.TYPE_VALUE: - statusStack.removeFirst(); - String key=(String)valueStack.removeFirst(); - Map parent=(Map)valueStack.getFirst(); - parent.put(key,token.value); - status=peekStatus(statusStack); - break; - case Yytoken.TYPE_LEFT_SQUARE: - statusStack.removeFirst(); - key=(String)valueStack.removeFirst(); - parent=(Map)valueStack.getFirst(); - List newArray=createArrayContainer(containerFactory); - parent.put(key,newArray); - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(newArray); - break; - case Yytoken.TYPE_LEFT_BRACE: - statusStack.removeFirst(); - key=(String)valueStack.removeFirst(); - parent=(Map)valueStack.getFirst(); - Map newObject=createObjectContainer(containerFactory); - parent.put(key,newObject); - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(newObject); - break; - default: - status=S_IN_ERROR; - } - break; - - case S_IN_ARRAY: - switch(token.type){ - case Yytoken.TYPE_COMMA: - break; - case Yytoken.TYPE_VALUE: - List val=(List)valueStack.getFirst(); - val.add(token.value); - break; - case Yytoken.TYPE_RIGHT_SQUARE: - if(valueStack.size()>1){ - statusStack.removeFirst(); - valueStack.removeFirst(); - status=peekStatus(statusStack); - } - else{ - status=S_IN_FINISHED_VALUE; - } - break; - case Yytoken.TYPE_LEFT_BRACE: - val=(List)valueStack.getFirst(); - Map newObject=createObjectContainer(containerFactory); - val.add(newObject); - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(newObject); - break; - case Yytoken.TYPE_LEFT_SQUARE: - val=(List)valueStack.getFirst(); - List newArray=createArrayContainer(containerFactory); - val.add(newArray); - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - valueStack.addFirst(newArray); - break; - default: - status=S_IN_ERROR; - }//inner switch - break; - case S_IN_ERROR: - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - }//switch - if(status==S_IN_ERROR){ - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - } - }while(token.type!=Yytoken.TYPE_EOF); - } - catch(IOException ie){ - throw ie; - } - - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - } - - private void nextToken() throws ParseException, IOException{ - token = lexer.yylex(); - if(token == null) - token = new Yytoken(Yytoken.TYPE_EOF, null); - } - - private Map createObjectContainer(ContainerFactory containerFactory){ - if(containerFactory == null) - return new JSONObject(); - Map m = containerFactory.createObjectContainer(); - - if(m == null) - return new JSONObject(); - return m; - } - - private List createArrayContainer(ContainerFactory containerFactory){ - if(containerFactory == null) - return new JSONArray(); - List l = containerFactory.creatArrayContainer(); - - if(l == null) - return new JSONArray(); - return l; - } - - public void parse(String s, ContentHandler contentHandler) throws ParseException{ - parse(s, contentHandler, false); - } - - public void parse(String s, ContentHandler contentHandler, boolean isResume) throws ParseException{ - StringReader in=new StringReader(s); - try{ - parse(in, contentHandler, isResume); - } - catch(IOException ie){ - /* - * Actually it will never happen. - */ - throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); - } - } - - public void parse(Reader in, ContentHandler contentHandler) throws IOException, ParseException{ - parse(in, contentHandler, false); - } - - /** - * Stream processing of JSON text. - * - * @see ContentHandler - * - * @param in - * @param contentHandler - * @param isResume - Indicates if it continues previous parsing operation. - * If set to true, resume parsing the old stream, and parameter 'in' will be ignored. - * If this method is called for the first time in this instance, isResume will be ignored. - * - * @throws IOException - * @throws ParseException - */ - public void parse(Reader in, ContentHandler contentHandler, boolean isResume) throws IOException, ParseException{ - if(!isResume){ - reset(in); - handlerStatusStack = new LinkedList(); - } - else{ - if(handlerStatusStack == null){ - isResume = false; - reset(in); - handlerStatusStack = new LinkedList(); - } - } - - LinkedList statusStack = handlerStatusStack; - - try{ - do{ - switch(status){ - case S_INIT: - contentHandler.startJSON(); - nextToken(); - switch(token.type){ - case Yytoken.TYPE_VALUE: - status=S_IN_FINISHED_VALUE; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.primitive(token.value)) - return; - break; - case Yytoken.TYPE_LEFT_BRACE: - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startObject()) - return; - break; - case Yytoken.TYPE_LEFT_SQUARE: - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startArray()) - return; - break; - default: - status=S_IN_ERROR; - }//inner switch - break; - - case S_IN_FINISHED_VALUE: - nextToken(); - if(token.type==Yytoken.TYPE_EOF){ - contentHandler.endJSON(); - status = S_END; - return; - } - else{ - status = S_IN_ERROR; - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - } - - case S_IN_OBJECT: - nextToken(); - switch(token.type){ - case Yytoken.TYPE_COMMA: - break; - case Yytoken.TYPE_VALUE: - if(token.value instanceof String){ - String key=(String)token.value; - status=S_PASSED_PAIR_KEY; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startObjectEntry(key)) - return; - } - else{ - status=S_IN_ERROR; - } - break; - case Yytoken.TYPE_RIGHT_BRACE: - if(statusStack.size()>1){ - statusStack.removeFirst(); - status=peekStatus(statusStack); - } - else{ - status=S_IN_FINISHED_VALUE; - } - if(!contentHandler.endObject()) - return; - break; - default: - status=S_IN_ERROR; - break; - }//inner switch - break; - - case S_PASSED_PAIR_KEY: - nextToken(); - switch(token.type){ - case Yytoken.TYPE_COLON: - break; - case Yytoken.TYPE_VALUE: - statusStack.removeFirst(); - status=peekStatus(statusStack); - if(!contentHandler.primitive(token.value)) - return; - if(!contentHandler.endObjectEntry()) - return; - break; - case Yytoken.TYPE_LEFT_SQUARE: - statusStack.removeFirst(); - statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startArray()) - return; - break; - case Yytoken.TYPE_LEFT_BRACE: - statusStack.removeFirst(); - statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startObject()) - return; - break; - default: - status=S_IN_ERROR; - } - break; - - case S_IN_PAIR_VALUE: - /* - * S_IN_PAIR_VALUE is just a marker to indicate the end of an object entry, it doesn't proccess any token, - * therefore delay consuming token until next round. - */ - statusStack.removeFirst(); - status = peekStatus(statusStack); - if(!contentHandler.endObjectEntry()) - return; - break; - - case S_IN_ARRAY: - nextToken(); - switch(token.type){ - case Yytoken.TYPE_COMMA: - break; - case Yytoken.TYPE_VALUE: - if(!contentHandler.primitive(token.value)) - return; - break; - case Yytoken.TYPE_RIGHT_SQUARE: - if(statusStack.size()>1){ - statusStack.removeFirst(); - status=peekStatus(statusStack); - } - else{ - status=S_IN_FINISHED_VALUE; - } - if(!contentHandler.endArray()) - return; - break; - case Yytoken.TYPE_LEFT_BRACE: - status=S_IN_OBJECT; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startObject()) - return; - break; - case Yytoken.TYPE_LEFT_SQUARE: - status=S_IN_ARRAY; - statusStack.addFirst(new Integer(status)); - if(!contentHandler.startArray()) - return; - break; - default: - status=S_IN_ERROR; - }//inner switch - break; - - case S_END: - return; - - case S_IN_ERROR: - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - }//switch - if(status==S_IN_ERROR){ - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - } - }while(token.type!=Yytoken.TYPE_EOF); - } - catch(IOException ie){ - status = S_IN_ERROR; - throw ie; - } - catch(ParseException pe){ - status = S_IN_ERROR; - throw pe; - } - catch(RuntimeException re){ - status = S_IN_ERROR; - throw re; - } - catch(Error e){ - status = S_IN_ERROR; - throw e; - } - - status = S_IN_ERROR; - throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); - } -} +/* + * $Id: JSONParser.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple.parser; + +import java.io.IOException; +import java.io.Reader; +import java.io.StringReader; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; + +import org.json.simple.JSONArray; +import org.json.simple.JSONObject; + +/** + * Parser for JSON text. Please note that JSONParser is NOT thread-safe. + * + * @author FangYidong + */ +public class JSONParser { + public static final int S_INIT = 0; + public static final int S_IN_FINISHED_VALUE = 1;//string,number,boolean,null,object,array + public static final int S_IN_OBJECT = 2; + public static final int S_IN_ARRAY = 3; + public static final int S_PASSED_PAIR_KEY = 4; + public static final int S_IN_PAIR_VALUE = 5; + public static final int S_END = 6; + public static final int S_IN_ERROR = -1; + private LinkedList handlerStatusStack; + private Yylex lexer = new Yylex((Reader) null); + private Yytoken token = null; + private int status = S_INIT; + + private int peekStatus(LinkedList statusStack) { + if (statusStack.size() == 0) { + return -1; + } + Integer status = (Integer) statusStack.getFirst(); + return status.intValue(); + } + + /** + * Reset the parser to the initial state without resetting the underlying reader. + * + */ + public void reset() { + token = null; + status = S_INIT; + handlerStatusStack = null; + } + + /** + * Reset the parser to the initial state with a new character reader. + * + * @param in - The new character reader. + * @throws IOException + * @throws ParseException + */ + public void reset(Reader in) { + lexer.yyreset(in); + reset(); + } + + /** + * @return The position of the beginning of the current token. + */ + public int getPosition() { + return lexer.getPosition(); + } + + public Object parse(String s) throws ParseException { + return parse(s, (ContainerFactory) null); + } + + public Object parse(String s, ContainerFactory containerFactory) throws ParseException { + StringReader in = new StringReader(s); + try { + return parse(in, containerFactory); + } catch (IOException ie) { + /* + * Actually it will never happen. + */ + throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); + } + } + + public Object parse(Reader in) throws IOException, ParseException { + return parse(in, (ContainerFactory) null); + } + + /** + * Parse JSON text into java object from the input source. + * + * @param in + * @param containerFactory - Use this factory to createyour own JSON object and JSON array containers. + * @return Instance of the following: + * org.json.simple.JSONObject, + * org.json.simple.JSONArray, + * java.lang.String, + * java.lang.Number, + * java.lang.Boolean, + * null + * + * @throws IOException + * @throws ParseException + */ + public Object parse(Reader in, ContainerFactory containerFactory) throws IOException, ParseException { + reset(in); + LinkedList statusStack = new LinkedList(); + LinkedList valueStack = new LinkedList(); + + try { + do { + nextToken(); + switch (status) { + case S_INIT: + switch (token.type) { + case Yytoken.TYPE_VALUE: + status = S_IN_FINISHED_VALUE; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(token.value); + break; + case Yytoken.TYPE_LEFT_BRACE: + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(createObjectContainer(containerFactory)); + break; + case Yytoken.TYPE_LEFT_SQUARE: + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(createArrayContainer(containerFactory)); + break; + default: + status = S_IN_ERROR; + }//inner switch + break; + + case S_IN_FINISHED_VALUE: + if (token.type == Yytoken.TYPE_EOF) { + return valueStack.removeFirst(); + } else { + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + + case S_IN_OBJECT: + switch (token.type) { + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if (token.value instanceof String) { + String key = (String) token.value; + valueStack.addFirst(key); + status = S_PASSED_PAIR_KEY; + statusStack.addFirst(new Integer(status)); + } else { + status = S_IN_ERROR; + } + break; + case Yytoken.TYPE_RIGHT_BRACE: + if (valueStack.size() > 1) { + statusStack.removeFirst(); + valueStack.removeFirst(); + status = peekStatus(statusStack); + } else { + status = S_IN_FINISHED_VALUE; + } + break; + default: + status = S_IN_ERROR; + break; + }//inner switch + break; + + case S_PASSED_PAIR_KEY: + switch (token.type) { + case Yytoken.TYPE_COLON: + break; + case Yytoken.TYPE_VALUE: + statusStack.removeFirst(); + String key = (String) valueStack.removeFirst(); + Map parent = (Map) valueStack.getFirst(); + parent.put(key, token.value); + status = peekStatus(statusStack); + break; + case Yytoken.TYPE_LEFT_SQUARE: + statusStack.removeFirst(); + key = (String) valueStack.removeFirst(); + parent = (Map) valueStack.getFirst(); + List newArray = createArrayContainer(containerFactory); + parent.put(key, newArray); + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newArray); + break; + case Yytoken.TYPE_LEFT_BRACE: + statusStack.removeFirst(); + key = (String) valueStack.removeFirst(); + parent = (Map) valueStack.getFirst(); + Map newObject = createObjectContainer(containerFactory); + parent.put(key, newObject); + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newObject); + break; + default: + status = S_IN_ERROR; + } + break; + + case S_IN_ARRAY: + switch (token.type) { + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + List val = (List) valueStack.getFirst(); + val.add(token.value); + break; + case Yytoken.TYPE_RIGHT_SQUARE: + if (valueStack.size() > 1) { + statusStack.removeFirst(); + valueStack.removeFirst(); + status = peekStatus(statusStack); + } else { + status = S_IN_FINISHED_VALUE; + } + break; + case Yytoken.TYPE_LEFT_BRACE: + val = (List) valueStack.getFirst(); + Map newObject = createObjectContainer(containerFactory); + val.add(newObject); + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newObject); + break; + case Yytoken.TYPE_LEFT_SQUARE: + val = (List) valueStack.getFirst(); + List newArray = createArrayContainer(containerFactory); + val.add(newArray); + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + valueStack.addFirst(newArray); + break; + default: + status = S_IN_ERROR; + }//inner switch + break; + case S_IN_ERROR: + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + }//switch + if (status == S_IN_ERROR) { + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + } while (token.type != Yytoken.TYPE_EOF); + } catch (IOException ie) { + throw ie; + } + + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + + private void nextToken() throws ParseException, IOException { + token = lexer.yylex(); + if (token == null) { + token = new Yytoken(Yytoken.TYPE_EOF, null); + } + } + + private Map createObjectContainer(ContainerFactory containerFactory) { + if (containerFactory == null) { + return new JSONObject(); + } + Map m = containerFactory.createObjectContainer(); + + if (m == null) { + return new JSONObject(); + } + return m; + } + + private List createArrayContainer(ContainerFactory containerFactory) { + if (containerFactory == null) { + return new JSONArray(); + } + List l = containerFactory.creatArrayContainer(); + + if (l == null) { + return new JSONArray(); + } + return l; + } + + public void parse(String s, ContentHandler contentHandler) throws ParseException { + parse(s, contentHandler, false); + } + + public void parse(String s, ContentHandler contentHandler, boolean isResume) throws ParseException { + StringReader in = new StringReader(s); + try { + parse(in, contentHandler, isResume); + } catch (IOException ie) { + /* + * Actually it will never happen. + */ + throw new ParseException(-1, ParseException.ERROR_UNEXPECTED_EXCEPTION, ie); + } + } + + public void parse(Reader in, ContentHandler contentHandler) throws IOException, ParseException { + parse(in, contentHandler, false); + } + + /** + * Stream processing of JSON text. + * + * @see ContentHandler + * + * @param in + * @param contentHandler + * @param isResume - Indicates if it continues previous parsing operation. + * If set to true, resume parsing the old stream, and parameter 'in' will be ignored. + * If this method is called for the first time in this instance, isResume will be ignored. + * + * @throws IOException + * @throws ParseException + */ + public void parse(Reader in, ContentHandler contentHandler, boolean isResume) throws IOException, ParseException { + if (!isResume) { + reset(in); + handlerStatusStack = new LinkedList(); + } else { + if (handlerStatusStack == null) { + isResume = false; + reset(in); + handlerStatusStack = new LinkedList(); + } + } + + LinkedList statusStack = handlerStatusStack; + + try { + do { + switch (status) { + case S_INIT: + contentHandler.startJSON(); + nextToken(); + switch (token.type) { + case Yytoken.TYPE_VALUE: + status = S_IN_FINISHED_VALUE; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.primitive(token.value)) { + return; + } + break; + case Yytoken.TYPE_LEFT_BRACE: + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startObject()) { + return; + } + break; + case Yytoken.TYPE_LEFT_SQUARE: + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startArray()) { + return; + } + break; + default: + status = S_IN_ERROR; + }//inner switch + break; + + case S_IN_FINISHED_VALUE: + nextToken(); + if (token.type == Yytoken.TYPE_EOF) { + contentHandler.endJSON(); + status = S_END; + return; + } else { + status = S_IN_ERROR; + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + + case S_IN_OBJECT: + nextToken(); + switch (token.type) { + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if (token.value instanceof String) { + String key = (String) token.value; + status = S_PASSED_PAIR_KEY; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startObjectEntry(key)) { + return; + } + } else { + status = S_IN_ERROR; + } + break; + case Yytoken.TYPE_RIGHT_BRACE: + if (statusStack.size() > 1) { + statusStack.removeFirst(); + status = peekStatus(statusStack); + } else { + status = S_IN_FINISHED_VALUE; + } + if (!contentHandler.endObject()) { + return; + } + break; + default: + status = S_IN_ERROR; + break; + }//inner switch + break; + + case S_PASSED_PAIR_KEY: + nextToken(); + switch (token.type) { + case Yytoken.TYPE_COLON: + break; + case Yytoken.TYPE_VALUE: + statusStack.removeFirst(); + status = peekStatus(statusStack); + if (!contentHandler.primitive(token.value)) { + return; + } + if (!contentHandler.endObjectEntry()) { + return; + } + break; + case Yytoken.TYPE_LEFT_SQUARE: + statusStack.removeFirst(); + statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startArray()) { + return; + } + break; + case Yytoken.TYPE_LEFT_BRACE: + statusStack.removeFirst(); + statusStack.addFirst(new Integer(S_IN_PAIR_VALUE)); + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startObject()) { + return; + } + break; + default: + status = S_IN_ERROR; + } + break; + + case S_IN_PAIR_VALUE: + /* + * S_IN_PAIR_VALUE is just a marker to indicate the end of an object entry, it doesn't proccess any token, + * therefore delay consuming token until next round. + */ + statusStack.removeFirst(); + status = peekStatus(statusStack); + if (!contentHandler.endObjectEntry()) { + return; + } + break; + + case S_IN_ARRAY: + nextToken(); + switch (token.type) { + case Yytoken.TYPE_COMMA: + break; + case Yytoken.TYPE_VALUE: + if (!contentHandler.primitive(token.value)) { + return; + } + break; + case Yytoken.TYPE_RIGHT_SQUARE: + if (statusStack.size() > 1) { + statusStack.removeFirst(); + status = peekStatus(statusStack); + } else { + status = S_IN_FINISHED_VALUE; + } + if (!contentHandler.endArray()) { + return; + } + break; + case Yytoken.TYPE_LEFT_BRACE: + status = S_IN_OBJECT; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startObject()) { + return; + } + break; + case Yytoken.TYPE_LEFT_SQUARE: + status = S_IN_ARRAY; + statusStack.addFirst(new Integer(status)); + if (!contentHandler.startArray()) { + return; + } + break; + default: + status = S_IN_ERROR; + }//inner switch + break; + + case S_END: + return; + + case S_IN_ERROR: + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + }//switch + if (status == S_IN_ERROR) { + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } + } while (token.type != Yytoken.TYPE_EOF); + } catch (IOException ie) { + status = S_IN_ERROR; + throw ie; + } catch (ParseException pe) { + status = S_IN_ERROR; + throw pe; + } catch (RuntimeException re) { + status = S_IN_ERROR; + throw re; + } catch (Error e) { + status = S_IN_ERROR; + throw e; + } + + status = S_IN_ERROR; + throw new ParseException(getPosition(), ParseException.ERROR_UNEXPECTED_TOKEN, token); + } +} diff --git a/src/main/java/org/json/simple/parser/ParseException.java b/src/main/java/org/json/simple/parser/ParseException.java index f497cd9f..8de96bf5 100644 --- a/src/main/java/org/json/simple/parser/ParseException.java +++ b/src/main/java/org/json/simple/parser/ParseException.java @@ -1,90 +1,88 @@ -package org.json.simple.parser; - -/** - * ParseException explains why and where the error occurs in source JSON text. - * - * @author FangYidong - * - */ -public class ParseException extends Exception { - private static final long serialVersionUID = -7880698968187728548L; - - public static final int ERROR_UNEXPECTED_CHAR = 0; - public static final int ERROR_UNEXPECTED_TOKEN = 1; - public static final int ERROR_UNEXPECTED_EXCEPTION = 2; - - private int errorType; - private Object unexpectedObject; - private int position; - - public ParseException(int errorType){ - this(-1, errorType, null); - } - - public ParseException(int errorType, Object unexpectedObject){ - this(-1, errorType, unexpectedObject); - } - - public ParseException(int position, int errorType, Object unexpectedObject){ - this.position = position; - this.errorType = errorType; - this.unexpectedObject = unexpectedObject; - } - - public int getErrorType() { - return errorType; - } - - public void setErrorType(int errorType) { - this.errorType = errorType; - } - - /** - * @see org.json.simple.parser.JSONParser#getPosition() - * - * @return The character position (starting with 0) of the input where the error occurs. - */ - public int getPosition() { - return position; - } - - public void setPosition(int position) { - this.position = position; - } - - /** - * @see org.json.simple.parser.Yytoken - * - * @return One of the following base on the value of errorType: - * ERROR_UNEXPECTED_CHAR java.lang.Character - * ERROR_UNEXPECTED_TOKEN org.json.simple.parser.Yytoken - * ERROR_UNEXPECTED_EXCEPTION java.lang.Exception - */ - public Object getUnexpectedObject() { - return unexpectedObject; - } - - public void setUnexpectedObject(Object unexpectedObject) { - this.unexpectedObject = unexpectedObject; - } - - public String toString(){ - StringBuffer sb = new StringBuffer(); - - switch(errorType){ - case ERROR_UNEXPECTED_CHAR: - sb.append("Unexpected character (").append(unexpectedObject).append(") at position ").append(position).append("."); - break; - case ERROR_UNEXPECTED_TOKEN: - sb.append("Unexpected token ").append(unexpectedObject).append(" at position ").append(position).append("."); - break; - case ERROR_UNEXPECTED_EXCEPTION: - sb.append("Unexpected exception at position ").append(position).append(": ").append(unexpectedObject); - break; - default: - sb.append("Unkown error at position ").append(position).append("."); - break; - } - return sb.toString(); - } -} +package org.json.simple.parser; + +/** + * ParseException explains why and where the error occurs in source JSON text. + * + * @author FangYidong + * + */ +public class ParseException extends Exception { + private static final long serialVersionUID = -7880698968187728548L; + public static final int ERROR_UNEXPECTED_CHAR = 0; + public static final int ERROR_UNEXPECTED_TOKEN = 1; + public static final int ERROR_UNEXPECTED_EXCEPTION = 2; + private int errorType; + private Object unexpectedObject; + private int position; + + public ParseException(int errorType) { + this(-1, errorType, null); + } + + public ParseException(int errorType, Object unexpectedObject) { + this(-1, errorType, unexpectedObject); + } + + public ParseException(int position, int errorType, Object unexpectedObject) { + this.position = position; + this.errorType = errorType; + this.unexpectedObject = unexpectedObject; + } + + public int getErrorType() { + return errorType; + } + + public void setErrorType(int errorType) { + this.errorType = errorType; + } + + /** + * @see org.json.simple.parser.JSONParser#getPosition() + * + * @return The character position (starting with 0) of the input where the error occurs. + */ + public int getPosition() { + return position; + } + + public void setPosition(int position) { + this.position = position; + } + + /** + * @see org.json.simple.parser.Yytoken + * + * @return One of the following base on the value of errorType: + * ERROR_UNEXPECTED_CHAR java.lang.Character + * ERROR_UNEXPECTED_TOKEN org.json.simple.parser.Yytoken + * ERROR_UNEXPECTED_EXCEPTION java.lang.Exception + */ + public Object getUnexpectedObject() { + return unexpectedObject; + } + + public void setUnexpectedObject(Object unexpectedObject) { + this.unexpectedObject = unexpectedObject; + } + + public String toString() { + StringBuffer sb = new StringBuffer(); + + switch (errorType) { + case ERROR_UNEXPECTED_CHAR: + sb.append("Unexpected character (").append(unexpectedObject).append(") at position ").append(position).append("."); + break; + case ERROR_UNEXPECTED_TOKEN: + sb.append("Unexpected token ").append(unexpectedObject).append(" at position ").append(position).append("."); + break; + case ERROR_UNEXPECTED_EXCEPTION: + sb.append("Unexpected exception at position ").append(position).append(": ").append(unexpectedObject); + break; + default: + sb.append("Unkown error at position ").append(position).append("."); + break; + } + return sb.toString(); + } +} diff --git a/src/main/java/org/json/simple/parser/Yylex.java b/src/main/java/org/json/simple/parser/Yylex.java index 42ce508e..031d1b9e 100644 --- a/src/main/java/org/json/simple/parser/Yylex.java +++ b/src/main/java/org/json/simple/parser/Yylex.java @@ -1,688 +1,680 @@ -/* The following code was generated by JFlex 1.4.2 */ - -package org.json.simple.parser; - -class Yylex { - - /** This character denotes the end of file */ - public static final int YYEOF = -1; - - /** initial size of the lookahead buffer */ - private static final int ZZ_BUFFERSIZE = 16384; - - /** lexical states */ - public static final int YYINITIAL = 0; - public static final int STRING_BEGIN = 2; - - /** - * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l - * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l - * at the beginning of a line - * l is of the form l = 2*k, k a non negative integer - */ - private static final int ZZ_LEXSTATE[] = { - 0, 0, 1, 1 - }; - - /** - * Translates characters to character classes - */ - private static final String ZZ_CMAP_PACKED = - "\11\0\1\7\1\7\2\0\1\7\22\0\1\7\1\0\1\11\10\0"+ - "\1\6\1\31\1\2\1\4\1\12\12\3\1\32\6\0\4\1\1\5"+ - "\1\1\24\0\1\27\1\10\1\30\3\0\1\22\1\13\2\1\1\21"+ - "\1\14\5\0\1\23\1\0\1\15\3\0\1\16\1\24\1\17\1\20"+ - "\5\0\1\25\1\0\1\26\uff82\0"; - - /** - * Translates characters to character classes - */ - private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); - - /** - * Translates DFA states to action switch labels. - */ - private static final int [] ZZ_ACTION = zzUnpackAction(); - - private static final String ZZ_ACTION_PACKED_0 = - "\2\0\2\1\1\2\1\3\1\4\3\1\1\5\1\6"+ - "\1\7\1\10\1\11\1\12\1\13\1\14\1\15\5\0"+ - "\1\14\1\16\1\17\1\20\1\21\1\22\1\23\1\24"+ - "\1\0\1\25\1\0\1\25\4\0\1\26\1\27\2\0"+ - "\1\30"; - - private static int [] zzUnpackAction() { - int [] result = new int[45]; - int offset = 0; - offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result); - return result; - } - - private static int zzUnpackAction(String packed, int offset, int [] result) { - int i = 0; /* index in packed string */ - int j = offset; /* index in unpacked array */ - int l = packed.length(); - while (i < l) { - int count = packed.charAt(i++); - int value = packed.charAt(i++); - do result[j++] = value; while (--count > 0); - } - return j; - } - - - /** - * Translates a state to a row index in the transition table - */ - private static final int [] ZZ_ROWMAP = zzUnpackRowMap(); - - private static final String ZZ_ROWMAP_PACKED_0 = - "\0\0\0\33\0\66\0\121\0\154\0\207\0\66\0\242"+ - "\0\275\0\330\0\66\0\66\0\66\0\66\0\66\0\66"+ - "\0\363\0\u010e\0\66\0\u0129\0\u0144\0\u015f\0\u017a\0\u0195"+ - "\0\66\0\66\0\66\0\66\0\66\0\66\0\66\0\66"+ - "\0\u01b0\0\u01cb\0\u01e6\0\u01e6\0\u0201\0\u021c\0\u0237\0\u0252"+ - "\0\66\0\66\0\u026d\0\u0288\0\66"; - - private static int [] zzUnpackRowMap() { - int [] result = new int[45]; - int offset = 0; - offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result); - return result; - } - - private static int zzUnpackRowMap(String packed, int offset, int [] result) { - int i = 0; /* index in packed string */ - int j = offset; /* index in unpacked array */ - int l = packed.length(); - while (i < l) { - int high = packed.charAt(i++) << 16; - result[j++] = high | packed.charAt(i++); - } - return j; - } - - /** - * The transition table of the DFA - */ - private static final int ZZ_TRANS [] = { - 2, 2, 3, 4, 2, 2, 2, 5, 2, 6, - 2, 2, 7, 8, 2, 9, 2, 2, 2, 2, - 2, 10, 11, 12, 13, 14, 15, 16, 16, 16, - 16, 16, 16, 16, 16, 17, 18, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 4, 19, 20, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 21, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 16, 16, 16, 16, 16, 16, 16, - 16, -1, -1, 16, 16, 16, 16, 16, 16, 16, - 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, - -1, -1, -1, -1, -1, -1, -1, -1, 24, 25, - 26, 27, 28, 29, 30, 31, 32, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 34, 35, -1, -1, - 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - 36, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, 37, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 39, -1, 39, -1, 39, -1, -1, - -1, -1, -1, 39, 39, -1, -1, -1, -1, 39, - 39, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 33, -1, 20, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 40, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, 41, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, 42, -1, 42, -1, 42, - -1, -1, -1, -1, -1, 42, 42, -1, -1, -1, - -1, 42, 42, -1, -1, -1, -1, -1, -1, -1, - -1, -1, 43, -1, 43, -1, 43, -1, -1, -1, - -1, -1, 43, 43, -1, -1, -1, -1, 43, 43, - -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, - -1, 44, -1, 44, -1, -1, -1, -1, -1, 44, - 44, -1, -1, -1, -1, 44, 44, -1, -1, -1, - -1, -1, -1, -1, -1, - }; - - /* error codes */ - private static final int ZZ_UNKNOWN_ERROR = 0; - private static final int ZZ_NO_MATCH = 1; - private static final int ZZ_PUSHBACK_2BIG = 2; - - /* error messages for the codes above */ - private static final String ZZ_ERROR_MSG[] = { - "Unkown internal scanner error", - "Error: could not match input", - "Error: pushback value was too large" - }; - - /** - * ZZ_ATTRIBUTE[aState] contains the attributes of state aState - */ - private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute(); - - private static final String ZZ_ATTRIBUTE_PACKED_0 = - "\2\0\1\11\3\1\1\11\3\1\6\11\2\1\1\11"+ - "\5\0\10\11\1\0\1\1\1\0\1\1\4\0\2\11"+ - "\2\0\1\11"; - - private static int [] zzUnpackAttribute() { - int [] result = new int[45]; - int offset = 0; - offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result); - return result; - } - - private static int zzUnpackAttribute(String packed, int offset, int [] result) { - int i = 0; /* index in packed string */ - int j = offset; /* index in unpacked array */ - int l = packed.length(); - while (i < l) { - int count = packed.charAt(i++); - int value = packed.charAt(i++); - do result[j++] = value; while (--count > 0); - } - return j; - } - - /** the input device */ - private java.io.Reader zzReader; - - /** the current state of the DFA */ - private int zzState; - - /** the current lexical state */ - private int zzLexicalState = YYINITIAL; - - /** this buffer contains the current text to be matched and is - the source of the yytext() string */ - private char zzBuffer[] = new char[ZZ_BUFFERSIZE]; - - /** the textposition at the last accepting state */ - private int zzMarkedPos; - - /** the current text position in the buffer */ - private int zzCurrentPos; - - /** startRead marks the beginning of the yytext() string in the buffer */ - private int zzStartRead; - - /** endRead marks the last character in the buffer, that has been read - from input */ - private int zzEndRead; - - /** number of newlines encountered up to the start of the matched text */ - private int yyline; - - /** the number of characters up to the start of the matched text */ - private int yychar; - - /** - * the number of characters from the last newline up to the start of the - * matched text - */ - private int yycolumn; - - /** - * zzAtBOL == true <=> the scanner is currently at the beginning of a line - */ - private boolean zzAtBOL = true; - - /** zzAtEOF == true <=> the scanner is at the EOF */ - private boolean zzAtEOF; - - /* user code: */ -private StringBuffer sb=new StringBuffer(); - -int getPosition(){ - return yychar; -} - - - - /** - * Creates a new scanner - * There is also a java.io.InputStream version of this constructor. - * - * @param in the java.io.Reader to read input from. - */ - Yylex(java.io.Reader in) { - this.zzReader = in; - } - - /** - * Creates a new scanner. - * There is also java.io.Reader version of this constructor. - * - * @param in the java.io.Inputstream to read input from. - */ - Yylex(java.io.InputStream in) { - this(new java.io.InputStreamReader(in)); - } - - /** - * Unpacks the compressed character translation table. - * - * @param packed the packed character translation table - * @return the unpacked character translation table - */ - private static char [] zzUnpackCMap(String packed) { - char [] map = new char[0x10000]; - int i = 0; /* index in packed string */ - int j = 0; /* index in unpacked array */ - while (i < 90) { - int count = packed.charAt(i++); - char value = packed.charAt(i++); - do map[j++] = value; while (--count > 0); - } - return map; - } - - - /** - * Refills the input buffer. - * - * @return false, iff there was new input. - * - * @exception java.io.IOException if any I/O-Error occurs - */ - private boolean zzRefill() throws java.io.IOException { - - /* first: make room (if you can) */ - if (zzStartRead > 0) { - System.arraycopy(zzBuffer, zzStartRead, - zzBuffer, 0, - zzEndRead-zzStartRead); - - /* translate stored positions */ - zzEndRead-= zzStartRead; - zzCurrentPos-= zzStartRead; - zzMarkedPos-= zzStartRead; - zzStartRead = 0; - } - - /* is the buffer big enough? */ - if (zzCurrentPos >= zzBuffer.length) { - /* if not: blow it up */ - char newBuffer[] = new char[zzCurrentPos*2]; - System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); - zzBuffer = newBuffer; - } - - /* finally: fill the buffer with new input */ - int numRead = zzReader.read(zzBuffer, zzEndRead, - zzBuffer.length-zzEndRead); - - if (numRead > 0) { - zzEndRead+= numRead; - return false; - } - // unlikely but not impossible: read 0 characters, but not at end of stream - if (numRead == 0) { - int c = zzReader.read(); - if (c == -1) { - return true; - } else { - zzBuffer[zzEndRead++] = (char) c; - return false; - } - } - - // numRead < 0 - return true; - } - - - /** - * Closes the input stream. - */ - public final void yyclose() throws java.io.IOException { - zzAtEOF = true; /* indicate end of file */ - zzEndRead = zzStartRead; /* invalidate buffer */ - - if (zzReader != null) - zzReader.close(); - } - - - /** - * Resets the scanner to read from a new input stream. - * Does not close the old reader. - * - * All internal variables are reset, the old input stream - * cannot be reused (internal buffer is discarded and lost). - * Lexical state is set to ZZ_INITIAL. - * - * @param reader the new input stream - */ - public final void yyreset(java.io.Reader reader) { - zzReader = reader; - zzAtBOL = true; - zzAtEOF = false; - zzEndRead = zzStartRead = 0; - zzCurrentPos = zzMarkedPos = 0; - yyline = yychar = yycolumn = 0; - zzLexicalState = YYINITIAL; - } - - - /** - * Returns the current lexical state. - */ - public final int yystate() { - return zzLexicalState; - } - - - /** - * Enters a new lexical state - * - * @param newState the new lexical state - */ - public final void yybegin(int newState) { - zzLexicalState = newState; - } - - - /** - * Returns the text matched by the current regular expression. - */ - public final String yytext() { - return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead ); - } - - - /** - * Returns the character at position pos from the - * matched text. - * - * It is equivalent to yytext().charAt(pos), but faster - * - * @param pos the position of the character to fetch. - * A value from 0 to yylength()-1. - * - * @return the character at position pos - */ - public final char yycharat(int pos) { - return zzBuffer[zzStartRead+pos]; - } - - - /** - * Returns the length of the matched text region. - */ - public final int yylength() { - return zzMarkedPos-zzStartRead; - } - - - /** - * Reports an error that occured while scanning. - * - * In a wellformed scanner (no or only correct usage of - * yypushback(int) and a match-all fallback rule) this method - * will only be called with things that "Can't Possibly Happen". - * If this method is called, something is seriously wrong - * (e.g. a JFlex bug producing a faulty scanner etc.). - * - * Usual syntax/scanner level error handling should be done - * in error fallback rules. - * - * @param errorCode the code of the errormessage to display - */ - private void zzScanError(int errorCode) { - String message; - try { - message = ZZ_ERROR_MSG[errorCode]; - } - catch (ArrayIndexOutOfBoundsException e) { - message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR]; - } - - throw new Error(message); - } - - - /** - * Pushes the specified amount of characters back into the input stream. - * - * They will be read again by then next call of the scanning method - * - * @param number the number of characters to be read again. - * This number must not be greater than yylength()! - */ - public void yypushback(int number) { - if ( number > yylength() ) - zzScanError(ZZ_PUSHBACK_2BIG); - - zzMarkedPos -= number; - } - - - /** - * Resumes scanning until the next regular expression is matched, - * the end of input is encountered or an I/O-Error occurs. - * - * @return the next token - * @exception java.io.IOException if any I/O-Error occurs - */ - public Yytoken yylex() throws java.io.IOException, ParseException { - int zzInput; - int zzAction; - - // cached fields: - int zzCurrentPosL; - int zzMarkedPosL; - int zzEndReadL = zzEndRead; - char [] zzBufferL = zzBuffer; - char [] zzCMapL = ZZ_CMAP; - - int [] zzTransL = ZZ_TRANS; - int [] zzRowMapL = ZZ_ROWMAP; - int [] zzAttrL = ZZ_ATTRIBUTE; - - while (true) { - zzMarkedPosL = zzMarkedPos; - - yychar+= zzMarkedPosL-zzStartRead; - - zzAction = -1; - - zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; - - zzState = ZZ_LEXSTATE[zzLexicalState]; - - - zzForAction: { - while (true) { - - if (zzCurrentPosL < zzEndReadL) - zzInput = zzBufferL[zzCurrentPosL++]; - else if (zzAtEOF) { - zzInput = YYEOF; - break zzForAction; - } - else { - // store back cached positions - zzCurrentPos = zzCurrentPosL; - zzMarkedPos = zzMarkedPosL; - boolean eof = zzRefill(); - // get translated positions and possibly new buffer - zzCurrentPosL = zzCurrentPos; - zzMarkedPosL = zzMarkedPos; - zzBufferL = zzBuffer; - zzEndReadL = zzEndRead; - if (eof) { - zzInput = YYEOF; - break zzForAction; - } - else { - zzInput = zzBufferL[zzCurrentPosL++]; - } - } - int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ]; - if (zzNext == -1) break zzForAction; - zzState = zzNext; - - int zzAttributes = zzAttrL[zzState]; - if ( (zzAttributes & 1) == 1 ) { - zzAction = zzState; - zzMarkedPosL = zzCurrentPosL; - if ( (zzAttributes & 8) == 8 ) break zzForAction; - } - - } - } - - // store back cached position - zzMarkedPos = zzMarkedPosL; - - switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { - case 11: - { sb.append(yytext()); - } - case 25: break; - case 4: - { sb.delete(0, sb.length());yybegin(STRING_BEGIN); - } - case 26: break; - case 16: - { sb.append('\b'); - } - case 27: break; - case 6: - { return new Yytoken(Yytoken.TYPE_RIGHT_BRACE,null); - } - case 28: break; - case 23: - { Boolean val=Boolean.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 29: break; - case 22: - { return new Yytoken(Yytoken.TYPE_VALUE, null); - } - case 30: break; - case 13: - { yybegin(YYINITIAL);return new Yytoken(Yytoken.TYPE_VALUE, sb.toString()); - } - case 31: break; - case 12: - { sb.append('\\'); - } - case 32: break; - case 21: - { Double val=Double.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 33: break; - case 1: - { throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_CHAR, new Character(yycharat(0))); - } - case 34: break; - case 8: - { return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE,null); - } - case 35: break; - case 19: - { sb.append('\r'); - } - case 36: break; - case 15: - { sb.append('/'); - } - case 37: break; - case 10: - { return new Yytoken(Yytoken.TYPE_COLON,null); - } - case 38: break; - case 14: - { sb.append('"'); - } - case 39: break; - case 5: - { return new Yytoken(Yytoken.TYPE_LEFT_BRACE,null); - } - case 40: break; - case 17: - { sb.append('\f'); - } - case 41: break; - case 24: - { try{ - int ch=Integer.parseInt(yytext().substring(2),16); - sb.append((char)ch); - } - catch(Exception e){ - throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_EXCEPTION, e); - } - } - case 42: break; - case 20: - { sb.append('\t'); - } - case 43: break; - case 7: - { return new Yytoken(Yytoken.TYPE_LEFT_SQUARE,null); - } - case 44: break; - case 2: - { Long val=Long.valueOf(yytext()); return new Yytoken(Yytoken.TYPE_VALUE, val); - } - case 45: break; - case 18: - { sb.append('\n'); - } - case 46: break; - case 9: - { return new Yytoken(Yytoken.TYPE_COMMA,null); - } - case 47: break; - case 3: - { - } - case 48: break; - default: - if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { - zzAtEOF = true; - return null; - } - else { - zzScanError(ZZ_NO_MATCH); - } - } - } - } - - -} +/* The following code was generated by JFlex 1.4.2 */ +package org.json.simple.parser; + +class Yylex { + /** This character denotes the end of file */ + public static final int YYEOF = -1; + /** initial size of the lookahead buffer */ + private static final int ZZ_BUFFERSIZE = 16384; + /** lexical states */ + public static final int YYINITIAL = 0; + public static final int STRING_BEGIN = 2; + /** + * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l + * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l + * at the beginning of a line + * l is of the form l = 2*k, k a non negative integer + */ + private static final int ZZ_LEXSTATE[] = { + 0, 0, 1, 1 + }; + /** + * Translates characters to character classes + */ + private static final String ZZ_CMAP_PACKED = + "\11\0\1\7\1\7\2\0\1\7\22\0\1\7\1\0\1\11\10\0" + + "\1\6\1\31\1\2\1\4\1\12\12\3\1\32\6\0\4\1\1\5" + + "\1\1\24\0\1\27\1\10\1\30\3\0\1\22\1\13\2\1\1\21" + + "\1\14\5\0\1\23\1\0\1\15\3\0\1\16\1\24\1\17\1\20" + + "\5\0\1\25\1\0\1\26\uff82\0"; + /** + * Translates characters to character classes + */ + private static final char[] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED); + /** + * Translates DFA states to action switch labels. + */ + private static final int[] ZZ_ACTION = zzUnpackAction(); + private static final String ZZ_ACTION_PACKED_0 = + "\2\0\2\1\1\2\1\3\1\4\3\1\1\5\1\6" + + "\1\7\1\10\1\11\1\12\1\13\1\14\1\15\5\0" + + "\1\14\1\16\1\17\1\20\1\21\1\22\1\23\1\24" + + "\1\0\1\25\1\0\1\25\4\0\1\26\1\27\2\0" + + "\1\30"; + + private static int[] zzUnpackAction() { + int[] result = new int[45]; + int offset = 0; + offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackAction(String packed, int offset, int[] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int count = packed.charAt(i++); + int value = packed.charAt(i++); + do { + result[j++] = value; + } while (--count > 0); + } + return j; + } + /** + * Translates a state to a row index in the transition table + */ + private static final int[] ZZ_ROWMAP = zzUnpackRowMap(); + private static final String ZZ_ROWMAP_PACKED_0 = + "\0\0\0\33\0\66\0\121\0\154\0\207\0\66\0\242" + + "\0\275\0\330\0\66\0\66\0\66\0\66\0\66\0\66" + + "\0\363\0\u010e\0\66\0\u0129\0\u0144\0\u015f\0\u017a\0\u0195" + + "\0\66\0\66\0\66\0\66\0\66\0\66\0\66\0\66" + + "\0\u01b0\0\u01cb\0\u01e6\0\u01e6\0\u0201\0\u021c\0\u0237\0\u0252" + + "\0\66\0\66\0\u026d\0\u0288\0\66"; + + private static int[] zzUnpackRowMap() { + int[] result = new int[45]; + int offset = 0; + offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackRowMap(String packed, int offset, int[] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int high = packed.charAt(i++) << 16; + result[j++] = high | packed.charAt(i++); + } + return j; + } + /** + * The transition table of the DFA + */ + private static final int ZZ_TRANS[] = { + 2, 2, 3, 4, 2, 2, 2, 5, 2, 6, + 2, 2, 7, 8, 2, 9, 2, 2, 2, 2, + 2, 10, 11, 12, 13, 14, 15, 16, 16, 16, + 16, 16, 16, 16, 16, 17, 18, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 4, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 4, 19, 20, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 20, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 5, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 21, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 22, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 23, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 16, 16, 16, 16, 16, 16, 16, + 16, -1, -1, 16, 16, 16, 16, 16, 16, 16, + 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, + -1, -1, -1, -1, -1, -1, -1, -1, 24, 25, + 26, 27, 28, 29, 30, 31, 32, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 33, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 34, 35, -1, -1, + 34, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + 36, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, 37, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, 38, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 39, -1, 39, -1, 39, -1, -1, + -1, -1, -1, 39, 39, -1, -1, -1, -1, 39, + 39, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 33, -1, 20, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, 20, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 35, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, 38, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 40, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, 41, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, 42, -1, 42, -1, 42, + -1, -1, -1, -1, -1, 42, 42, -1, -1, -1, + -1, 42, 42, -1, -1, -1, -1, -1, -1, -1, + -1, -1, 43, -1, 43, -1, 43, -1, -1, -1, + -1, -1, 43, 43, -1, -1, -1, -1, 43, 43, + -1, -1, -1, -1, -1, -1, -1, -1, -1, 44, + -1, 44, -1, 44, -1, -1, -1, -1, -1, 44, + 44, -1, -1, -1, -1, 44, 44, -1, -1, -1, + -1, -1, -1, -1, -1,}; + + /* error codes */ + private static final int ZZ_UNKNOWN_ERROR = 0; + private static final int ZZ_NO_MATCH = 1; + private static final int ZZ_PUSHBACK_2BIG = 2; + + /* error messages for the codes above */ + private static final String ZZ_ERROR_MSG[] = { + "Unkown internal scanner error", + "Error: could not match input", + "Error: pushback value was too large" + }; + /** + * ZZ_ATTRIBUTE[aState] contains the attributes of state aState + */ + private static final int[] ZZ_ATTRIBUTE = zzUnpackAttribute(); + private static final String ZZ_ATTRIBUTE_PACKED_0 = + "\2\0\1\11\3\1\1\11\3\1\6\11\2\1\1\11" + + "\5\0\10\11\1\0\1\1\1\0\1\1\4\0\2\11" + + "\2\0\1\11"; + + private static int[] zzUnpackAttribute() { + int[] result = new int[45]; + int offset = 0; + offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result); + return result; + } + + private static int zzUnpackAttribute(String packed, int offset, int[] result) { + int i = 0; /* index in packed string */ + int j = offset; /* index in unpacked array */ + int l = packed.length(); + while (i < l) { + int count = packed.charAt(i++); + int value = packed.charAt(i++); + do { + result[j++] = value; + } while (--count > 0); + } + return j; + } + /** the input device */ + private java.io.Reader zzReader; + /** the current state of the DFA */ + private int zzState; + /** the current lexical state */ + private int zzLexicalState = YYINITIAL; + /** this buffer contains the current text to be matched and is + the source of the yytext() string */ + private char zzBuffer[] = new char[ZZ_BUFFERSIZE]; + /** the textposition at the last accepting state */ + private int zzMarkedPos; + /** the current text position in the buffer */ + private int zzCurrentPos; + /** startRead marks the beginning of the yytext() string in the buffer */ + private int zzStartRead; + /** endRead marks the last character in the buffer, that has been read + from input */ + private int zzEndRead; + /** number of newlines encountered up to the start of the matched text */ + private int yyline; + /** the number of characters up to the start of the matched text */ + private int yychar; + /** + * the number of characters from the last newline up to the start of the + * matched text + */ + private int yycolumn; + /** + * zzAtBOL == true <=> the scanner is currently at the beginning of a line + */ + private boolean zzAtBOL = true; + /** zzAtEOF == true <=> the scanner is at the EOF */ + private boolean zzAtEOF; + + /* user code: */ + private StringBuffer sb = new StringBuffer(); + + int getPosition() { + return yychar; + } + + /** + * Creates a new scanner + * There is also a java.io.InputStream version of this constructor. + * + * @param in the java.io.Reader to read input from. + */ + Yylex(java.io.Reader in) { + this.zzReader = in; + } + + /** + * Creates a new scanner. + * There is also java.io.Reader version of this constructor. + * + * @param in the java.io.Inputstream to read input from. + */ + Yylex(java.io.InputStream in) { + this(new java.io.InputStreamReader(in)); + } + + /** + * Unpacks the compressed character translation table. + * + * @param packed the packed character translation table + * @return the unpacked character translation table + */ + private static char[] zzUnpackCMap(String packed) { + char[] map = new char[0x10000]; + int i = 0; /* index in packed string */ + int j = 0; /* index in unpacked array */ + while (i < 90) { + int count = packed.charAt(i++); + char value = packed.charAt(i++); + do { + map[j++] = value; + } while (--count > 0); + } + return map; + } + + /** + * Refills the input buffer. + * + * @return false, iff there was new input. + * + * @exception java.io.IOException if any I/O-Error occurs + */ + private boolean zzRefill() throws java.io.IOException { + + /* first: make room (if you can) */ + if (zzStartRead > 0) { + System.arraycopy(zzBuffer, zzStartRead, + zzBuffer, 0, + zzEndRead - zzStartRead); + + /* translate stored positions */ + zzEndRead -= zzStartRead; + zzCurrentPos -= zzStartRead; + zzMarkedPos -= zzStartRead; + zzStartRead = 0; + } + + /* is the buffer big enough? */ + if (zzCurrentPos >= zzBuffer.length) { + /* if not: blow it up */ + char newBuffer[] = new char[zzCurrentPos * 2]; + System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length); + zzBuffer = newBuffer; + } + + /* finally: fill the buffer with new input */ + int numRead = zzReader.read(zzBuffer, zzEndRead, + zzBuffer.length - zzEndRead); + + if (numRead > 0) { + zzEndRead += numRead; + return false; + } + // unlikely but not impossible: read 0 characters, but not at end of stream + if (numRead == 0) { + int c = zzReader.read(); + if (c == -1) { + return true; + } else { + zzBuffer[zzEndRead++] = (char) c; + return false; + } + } + + // numRead < 0 + return true; + } + + /** + * Closes the input stream. + */ + public final void yyclose() throws java.io.IOException { + zzAtEOF = true; /* indicate end of file */ + zzEndRead = zzStartRead; /* invalidate buffer */ + + if (zzReader != null) { + zzReader.close(); + } + } + + /** + * Resets the scanner to read from a new input stream. + * Does not close the old reader. + * + * All internal variables are reset, the old input stream + * cannot be reused (internal buffer is discarded and lost). + * Lexical state is set to ZZ_INITIAL. + * + * @param reader the new input stream + */ + public final void yyreset(java.io.Reader reader) { + zzReader = reader; + zzAtBOL = true; + zzAtEOF = false; + zzEndRead = zzStartRead = 0; + zzCurrentPos = zzMarkedPos = 0; + yyline = yychar = yycolumn = 0; + zzLexicalState = YYINITIAL; + } + + /** + * Returns the current lexical state. + */ + public final int yystate() { + return zzLexicalState; + } + + /** + * Enters a new lexical state + * + * @param newState the new lexical state + */ + public final void yybegin(int newState) { + zzLexicalState = newState; + } + + /** + * Returns the text matched by the current regular expression. + */ + public final String yytext() { + return new String(zzBuffer, zzStartRead, zzMarkedPos - zzStartRead); + } + + /** + * Returns the character at position pos from the + * matched text. + * + * It is equivalent to yytext().charAt(pos), but faster + * + * @param pos the position of the character to fetch. + * A value from 0 to yylength()-1. + * + * @return the character at position pos + */ + public final char yycharat(int pos) { + return zzBuffer[zzStartRead + pos]; + } + + /** + * Returns the length of the matched text region. + */ + public final int yylength() { + return zzMarkedPos - zzStartRead; + } + + /** + * Reports an error that occured while scanning. + * + * In a wellformed scanner (no or only correct usage of + * yypushback(int) and a match-all fallback rule) this method + * will only be called with things that "Can't Possibly Happen". + * If this method is called, something is seriously wrong + * (e.g. a JFlex bug producing a faulty scanner etc.). + * + * Usual syntax/scanner level error handling should be done + * in error fallback rules. + * + * @param errorCode the code of the errormessage to display + */ + private void zzScanError(int errorCode) { + String message; + try { + message = ZZ_ERROR_MSG[errorCode]; + } catch (ArrayIndexOutOfBoundsException e) { + message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR]; + } + + throw new Error(message); + } + + /** + * Pushes the specified amount of characters back into the input stream. + * + * They will be read again by then next call of the scanning method + * + * @param number the number of characters to be read again. + * This number must not be greater than yylength()! + */ + public void yypushback(int number) { + if (number > yylength()) { + zzScanError(ZZ_PUSHBACK_2BIG); + } + + zzMarkedPos -= number; + } + + /** + * Resumes scanning until the next regular expression is matched, + * the end of input is encountered or an I/O-Error occurs. + * + * @return the next token + * @exception java.io.IOException if any I/O-Error occurs + */ + public Yytoken yylex() throws java.io.IOException, ParseException { + int zzInput; + int zzAction; + + // cached fields: + int zzCurrentPosL; + int zzMarkedPosL; + int zzEndReadL = zzEndRead; + char[] zzBufferL = zzBuffer; + char[] zzCMapL = ZZ_CMAP; + + int[] zzTransL = ZZ_TRANS; + int[] zzRowMapL = ZZ_ROWMAP; + int[] zzAttrL = ZZ_ATTRIBUTE; + + while (true) { + zzMarkedPosL = zzMarkedPos; + + yychar += zzMarkedPosL - zzStartRead; + + zzAction = -1; + + zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL; + + zzState = ZZ_LEXSTATE[zzLexicalState]; + + + zzForAction: + { + while (true) { + + if (zzCurrentPosL < zzEndReadL) { + zzInput = zzBufferL[zzCurrentPosL++]; + } else if (zzAtEOF) { + zzInput = YYEOF; + break zzForAction; + } else { + // store back cached positions + zzCurrentPos = zzCurrentPosL; + zzMarkedPos = zzMarkedPosL; + boolean eof = zzRefill(); + // get translated positions and possibly new buffer + zzCurrentPosL = zzCurrentPos; + zzMarkedPosL = zzMarkedPos; + zzBufferL = zzBuffer; + zzEndReadL = zzEndRead; + if (eof) { + zzInput = YYEOF; + break zzForAction; + } else { + zzInput = zzBufferL[zzCurrentPosL++]; + } + } + int zzNext = zzTransL[zzRowMapL[zzState] + zzCMapL[zzInput]]; + if (zzNext == -1) { + break zzForAction; + } + zzState = zzNext; + + int zzAttributes = zzAttrL[zzState]; + if ((zzAttributes & 1) == 1) { + zzAction = zzState; + zzMarkedPosL = zzCurrentPosL; + if ((zzAttributes & 8) == 8) { + break zzForAction; + } + } + + } + } + + // store back cached position + zzMarkedPos = zzMarkedPosL; + + switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) { + case 11: { + sb.append(yytext()); + } + case 25: + break; + case 4: { + sb.delete(0, sb.length()); + yybegin(STRING_BEGIN); + } + case 26: + break; + case 16: { + sb.append('\b'); + } + case 27: + break; + case 6: { + return new Yytoken(Yytoken.TYPE_RIGHT_BRACE, null); + } + case 28: + break; + case 23: { + Boolean val = Boolean.valueOf(yytext()); + return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 29: + break; + case 22: { + return new Yytoken(Yytoken.TYPE_VALUE, null); + } + case 30: + break; + case 13: { + yybegin(YYINITIAL); + return new Yytoken(Yytoken.TYPE_VALUE, sb.toString()); + } + case 31: + break; + case 12: { + sb.append('\\'); + } + case 32: + break; + case 21: { + Double val = Double.valueOf(yytext()); + return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 33: + break; + case 1: { + throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_CHAR, new Character(yycharat(0))); + } + case 34: + break; + case 8: { + return new Yytoken(Yytoken.TYPE_RIGHT_SQUARE, null); + } + case 35: + break; + case 19: { + sb.append('\r'); + } + case 36: + break; + case 15: { + sb.append('/'); + } + case 37: + break; + case 10: { + return new Yytoken(Yytoken.TYPE_COLON, null); + } + case 38: + break; + case 14: { + sb.append('"'); + } + case 39: + break; + case 5: { + return new Yytoken(Yytoken.TYPE_LEFT_BRACE, null); + } + case 40: + break; + case 17: { + sb.append('\f'); + } + case 41: + break; + case 24: { + try { + int ch = Integer.parseInt(yytext().substring(2), 16); + sb.append((char) ch); + } catch (Exception e) { + throw new ParseException(yychar, ParseException.ERROR_UNEXPECTED_EXCEPTION, e); + } + } + case 42: + break; + case 20: { + sb.append('\t'); + } + case 43: + break; + case 7: { + return new Yytoken(Yytoken.TYPE_LEFT_SQUARE, null); + } + case 44: + break; + case 2: { + Long val = Long.valueOf(yytext()); + return new Yytoken(Yytoken.TYPE_VALUE, val); + } + case 45: + break; + case 18: { + sb.append('\n'); + } + case 46: + break; + case 9: { + return new Yytoken(Yytoken.TYPE_COMMA, null); + } + case 47: + break; + case 3: { + } + case 48: + break; + default: + if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { + zzAtEOF = true; + return null; + } else { + zzScanError(ZZ_NO_MATCH); + } + } + } + } +} diff --git a/src/main/java/org/json/simple/parser/Yytoken.java b/src/main/java/org/json/simple/parser/Yytoken.java index ff14e27c..6b87dfbf 100644 --- a/src/main/java/org/json/simple/parser/Yytoken.java +++ b/src/main/java/org/json/simple/parser/Yytoken.java @@ -1,58 +1,57 @@ -/* - * $Id: Yytoken.java,v 1.1 2006/04/15 14:10:48 platform Exp $ - * Created on 2006-4-15 - */ -package org.json.simple.parser; - -/** - * @author FangYidong - */ -public class Yytoken { - public static final int TYPE_VALUE=0;//JSON primitive value: string,number,boolean,null - public static final int TYPE_LEFT_BRACE=1; - public static final int TYPE_RIGHT_BRACE=2; - public static final int TYPE_LEFT_SQUARE=3; - public static final int TYPE_RIGHT_SQUARE=4; - public static final int TYPE_COMMA=5; - public static final int TYPE_COLON=6; - public static final int TYPE_EOF=-1;//end of file - - public int type=0; - public Object value=null; - - public Yytoken(int type,Object value){ - this.type=type; - this.value=value; - } - - public String toString(){ - StringBuffer sb = new StringBuffer(); - switch(type){ - case TYPE_VALUE: - sb.append("VALUE(").append(value).append(")"); - break; - case TYPE_LEFT_BRACE: - sb.append("LEFT BRACE({)"); - break; - case TYPE_RIGHT_BRACE: - sb.append("RIGHT BRACE(})"); - break; - case TYPE_LEFT_SQUARE: - sb.append("LEFT SQUARE([)"); - break; - case TYPE_RIGHT_SQUARE: - sb.append("RIGHT SQUARE(])"); - break; - case TYPE_COMMA: - sb.append("COMMA(,)"); - break; - case TYPE_COLON: - sb.append("COLON(:)"); - break; - case TYPE_EOF: - sb.append("END OF FILE"); - break; - } - return sb.toString(); - } -} +/* + * $Id: Yytoken.java,v 1.1 2006/04/15 14:10:48 platform Exp $ + * Created on 2006-4-15 + */ +package org.json.simple.parser; + +/** + * @author FangYidong + */ +public class Yytoken { + public static final int TYPE_VALUE = 0;//JSON primitive value: string,number,boolean,null + public static final int TYPE_LEFT_BRACE = 1; + public static final int TYPE_RIGHT_BRACE = 2; + public static final int TYPE_LEFT_SQUARE = 3; + public static final int TYPE_RIGHT_SQUARE = 4; + public static final int TYPE_COMMA = 5; + public static final int TYPE_COLON = 6; + public static final int TYPE_EOF = -1;//end of file + public int type = 0; + public Object value = null; + + public Yytoken(int type, Object value) { + this.type = type; + this.value = value; + } + + public String toString() { + StringBuffer sb = new StringBuffer(); + switch (type) { + case TYPE_VALUE: + sb.append("VALUE(").append(value).append(")"); + break; + case TYPE_LEFT_BRACE: + sb.append("LEFT BRACE({)"); + break; + case TYPE_RIGHT_BRACE: + sb.append("RIGHT BRACE(})"); + break; + case TYPE_LEFT_SQUARE: + sb.append("LEFT SQUARE([)"); + break; + case TYPE_RIGHT_SQUARE: + sb.append("RIGHT SQUARE(])"); + break; + case TYPE_COMMA: + sb.append("COMMA(,)"); + break; + case TYPE_COLON: + sb.append("COLON(:)"); + break; + case TYPE_EOF: + sb.append("END OF FILE"); + break; + } + return sb.toString(); + } +} -- cgit v1.2.3