1 files changed, 266 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/ssl/TokenParser.java b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/ssl/TokenParser.java
new file mode 100644
index 000000000..25bdcc5e6
--- /dev/null
+++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/conn/ssl/TokenParser.java
@@ -0,0 +1,266 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.conn.ssl;
+
+import java.util.BitSet;
+
+import ch.boye.httpclientandroidlib.message.ParserCursor;
+import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
+
+/**
+ * Low level parser for header field elements. The parsing routines of this class are designed
+ * to produce near zero intermediate garbage and make no intermediate copies of input data.
+ * <p>
+ * This class is immutable and thread safe.
+ *
+ * Temporary package-private copy of ch.boye.httpclientandroidlib.message.TokenParser
+ */
+class TokenParser {
+
+    public static BitSet INIT_BITSET(final int ... b) {
+        final BitSet bitset = new BitSet();
+        for (final int aB : b) {
+            bitset.set(aB);
+        }
+        return bitset;
+    }
+
+    /** US-ASCII CR, carriage return (13) */
+    public static final char CR = '\r';
+
+    /** US-ASCII LF, line feed (10) */
+    public static final char LF = '\n';
+
+    /** US-ASCII SP, space (32) */
+    public static final char SP = ' ';
+
+    /** US-ASCII HT, horizontal-tab (9) */
+    public static final char HT = '\t';
+
+    /** Double quote */
+    public static final char DQUOTE = '\"';
+
+    /** Backward slash / escape character */
+    public static final char ESCAPE = '\\';
+
+    public static boolean isWhitespace(final char ch) {
+        return ch == SP || ch == HT || ch == CR || ch == LF;
+    }
+
+    public static final TokenParser INSTANCE = new TokenParser();
+
+    /**
+     * Extracts from the sequence of chars a token terminated with any of the given delimiters
+     * discarding semantically insignificant whitespace characters.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     * @param delimiters set of delimiting characters. Can be <code>null</code> if the token
+     *  is not delimited by any character.
+     */
+    public String parseToken(final CharArrayBuffer buf, final ParserCursor cursor, final BitSet delimiters) {
+        final StringBuilder dst = new StringBuilder();
+        boolean whitespace = false;
+        while (!cursor.atEnd()) {
+            final char current = buf.charAt(cursor.getPos());
+            if (delimiters != null && delimiters.get(current)) {
+                break;
+            } else if (isWhitespace(current)) {
+                skipWhiteSpace(buf, cursor);
+                whitespace = true;
+            } else {
+                if (whitespace && dst.length() > 0) {
+                    dst.append(' ');
+                }
+                copyContent(buf, cursor, delimiters, dst);
+                whitespace = false;
+            }
+        }
+        return dst.toString();
+    }
+
+    /**
+     * Extracts from the sequence of chars a value which can be enclosed in quote marks and
+     * terminated with any of the given delimiters discarding semantically insignificant
+     * whitespace characters.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     * @param delimiters set of delimiting characters. Can be <code>null</code> if the value
+     *  is not delimited by any character.
+     */
+    public String parseValue(final CharArrayBuffer buf, final ParserCursor cursor, final BitSet delimiters) {
+        final StringBuilder dst = new StringBuilder();
+        boolean whitespace = false;
+        while (!cursor.atEnd()) {
+            final char current = buf.charAt(cursor.getPos());
+            if (delimiters != null && delimiters.get(current)) {
+                break;
+            } else if (isWhitespace(current)) {
+                skipWhiteSpace(buf, cursor);
+                whitespace = true;
+            } else if (current == DQUOTE) {
+                if (whitespace && dst.length() > 0) {
+                    dst.append(' ');
+                }
+                copyQuotedContent(buf, cursor, dst);
+                whitespace = false;
+            } else {
+                if (whitespace && dst.length() > 0) {
+                    dst.append(' ');
+                }
+                copyUnquotedContent(buf, cursor, delimiters, dst);
+                whitespace = false;
+            }
+        }
+        return dst.toString();
+    }
+
+    /**
+     * Skips semantically insignificant whitespace characters and moves the cursor to the closest
+     * non-whitespace character.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     */
+    public void skipWhiteSpace(final CharArrayBuffer buf, final ParserCursor cursor) {
+        int pos = cursor.getPos();
+        final int indexFrom = cursor.getPos();
+        final int indexTo = cursor.getUpperBound();
+        for (int i = indexFrom; i < indexTo; i++) {
+            final char current = buf.charAt(i);
+            if (!isWhitespace(current)) {
+                break;
+            } else {
+                pos++;
+            }
+        }
+        cursor.updatePos(pos);
+    }
+
+    /**
+     * Transfers content into the destination buffer until a whitespace character or any of
+     * the given delimiters is encountered.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     * @param delimiters set of delimiting characters. Can be <code>null</code> if the value
+     *  is delimited by a whitespace only.
+     * @param dst destination buffer
+     */
+    public void copyContent(final CharArrayBuffer buf, final ParserCursor cursor, final BitSet delimiters,
+            final StringBuilder dst) {
+        int pos = cursor.getPos();
+        final int indexFrom = cursor.getPos();
+        final int indexTo = cursor.getUpperBound();
+        for (int i = indexFrom; i < indexTo; i++) {
+            final char current = buf.charAt(i);
+            if ((delimiters != null && delimiters.get(current)) || isWhitespace(current)) {
+                break;
+            } else {
+                pos++;
+                dst.append(current);
+            }
+        }
+        cursor.updatePos(pos);
+    }
+
+    /**
+     * Transfers content into the destination buffer until a whitespace character,  a quote,
+     * or any of the given delimiters is encountered.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     * @param delimiters set of delimiting characters. Can be <code>null</code> if the value
+     *  is delimited by a whitespace or a quote only.
+     * @param dst destination buffer
+     */
+    public void copyUnquotedContent(final CharArrayBuffer buf, final ParserCursor cursor,
+            final BitSet delimiters, final StringBuilder dst) {
+        int pos = cursor.getPos();
+        final int indexFrom = cursor.getPos();
+        final int indexTo = cursor.getUpperBound();
+        for (int i = indexFrom; i < indexTo; i++) {
+            final char current = buf.charAt(i);
+            if ((delimiters != null && delimiters.get(current))
+                    || isWhitespace(current) || current == DQUOTE) {
+                break;
+            } else {
+                pos++;
+                dst.append(current);
+            }
+        }
+        cursor.updatePos(pos);
+    }
+
+    /**
+     * Transfers content enclosed with quote marks into the destination buffer.
+     *
+     * @param buf buffer with the sequence of chars to be parsed
+     * @param cursor defines the bounds and current position of the buffer
+     * @param dst destination buffer
+     */
+    public void copyQuotedContent(final CharArrayBuffer buf, final ParserCursor cursor,
+            final StringBuilder dst) {
+        if (cursor.atEnd()) {
+            return;
+        }
+        int pos = cursor.getPos();
+        int indexFrom = cursor.getPos();
+        final int indexTo = cursor.getUpperBound();
+        char current = buf.charAt(pos);
+        if (current != DQUOTE) {
+            return;
+        }
+        pos++;
+        indexFrom++;
+        boolean escaped = false;
+        for (int i = indexFrom; i < indexTo; i++, pos++) {
+            current = buf.charAt(i);
+            if (escaped) {
+                if (current != DQUOTE && current != ESCAPE) {
+                    dst.append(ESCAPE);
+                }
+                dst.append(current);
+                escaped = false;
+            } else {
+                if (current == DQUOTE) {
+                    pos++;
+                    break;
+                }
+                if (current == ESCAPE) {
+                    escaped = true;
+                } else if (current != CR && current != LF) {
+                    dst.append(current);
+                }
+            }
+        }
+        cursor.updatePos(pos);
+    }
+
+}