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-rw-r--r--src/main/java/org/json/simple/parser/JSONParser.java537
1 files changed, 0 insertions, 537 deletions
diff --git a/src/main/java/org/json/simple/parser/JSONParser.java b/src/main/java/org/json/simple/parser/JSONParser.java
deleted file mode 100644
index b1727ae1..00000000
--- a/src/main/java/org/json/simple/parser/JSONParser.java
+++ /dev/null
@@ -1,537 +0,0 @@
-/*
- * $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<fangyidong@yahoo.com.cn>
- */
-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);
- }
-}
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