X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=srcjar%2Forg%2Fjson%2FXMLTokener.java;fp=srcjar%2Forg%2Fjson%2FXMLTokener.java;h=0000000000000000000000000000000000000000;hb=5152dafd5d71c877156621def8463d437c9c5453;hp=50e3acce3e1b4787ac02c073d3775eea75ac333e;hpb=c4cf7aa546ede43930f9a17fec5060119984da41;p=jalview.git diff --git a/srcjar/org/json/XMLTokener.java b/srcjar/org/json/XMLTokener.java deleted file mode 100644 index 50e3acc..0000000 --- a/srcjar/org/json/XMLTokener.java +++ /dev/null @@ -1,407 +0,0 @@ -package org.json; - -/* -Copyright (c) 2002 JSON.org - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -The Software shall be used for Good, not Evil. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. -*/ - -import java.io.Reader; - -/** - * The XMLTokener extends the JSONTokener to provide additional methods - * for the parsing of XML texts. - * @author JSON.org - * @version 2015-12-09 - */ -public class XMLTokener extends JSONTokener { - - - /** The table of entity values. It initially contains Character values for - * amp, apos, gt, lt, quot. - */ - public static final java.util.HashMap entity; - - static { - entity = new java.util.HashMap(8); - entity.put("amp", XML.AMP); - entity.put("apos", XML.APOS); - entity.put("gt", XML.GT); - entity.put("lt", XML.LT); - entity.put("quot", XML.QUOT); - } - - /** - * Construct an XMLTokener from a Reader. - * @param r A source reader. - */ - public XMLTokener(Reader r) { - super(r); - } - - /** - * Construct an XMLTokener from a string. - * @param s A source string. - */ - public XMLTokener(String s) { - super(s); - } - - /** - * Get the text in the CDATA block. - * @return The string up to the ]]>. - * @throws JSONException If the ]]> is not found. - */ - public String nextCDATA() throws JSONException { - char c; - int i; - StringBuilder sb = new StringBuilder(); - while (more()) { - c = next(); - sb.append(c); - i = sb.length() - 3; - if (i >= 0 && sb.charAt(i) == ']' && - sb.charAt(i + 1) == ']' && sb.charAt(i + 2) == '>') { - sb.setLength(i); - return sb.toString(); - } - } - throw syntaxError("Unclosed CDATA"); - } - - - /** - * Get the next XML outer token, trimming whitespace. There are two kinds - * of tokens: the '<' character which begins a markup tag, and the content - * text between markup tags. - * - * @return A string, or a '<' Character, or null if there is no more - * source text. - * @throws JSONException - */ - public Object nextContent() throws JSONException { - char c; - StringBuilder sb; - do { - c = next(); - } while (Character.isWhitespace(c)); - if (c == 0) { - return null; - } - if (c == '<') { - return XML.LT; - } - sb = new StringBuilder(); - for (;;) { - if (c == 0) { - return sb.toString().trim(); - } - if (c == '<') { - back(); - return sb.toString().trim(); - } - if (c == '&') { - sb.append(nextEntity(c)); - } else { - sb.append(c); - } - c = next(); - } - } - - - /** - * Return the next entity. These entities are translated to Characters: - * & ' > < ". - * @param ampersand An ampersand character. - * @return A Character or an entity String if the entity is not recognized. - * @throws JSONException If missing ';' in XML entity. - */ - public Object nextEntity(char ampersand) throws JSONException { - StringBuilder sb = new StringBuilder(); - for (;;) { - char c = next(); - if (Character.isLetterOrDigit(c) || c == '#') { - sb.append(Character.toLowerCase(c)); - } else if (c == ';') { - break; - } else { - throw syntaxError("Missing ';' in XML entity: &" + sb); - } - } - String string = sb.toString(); - return unescapeEntity(string); - } - - /** - * Unescapes an XML entity encoding; - * @param e entity (only the actual entity value, not the preceding & or ending ; - * @return - */ - static String unescapeEntity(String e) { - // validate - if (e == null || e.isEmpty()) { - return ""; - } - // if our entity is an encoded unicode point, parse it. - if (e.charAt(0) == '#') { - int cp; - if (e.charAt(1) == 'x') { - // hex encoded unicode - cp = Integer.parseInt(e.substring(2), 16); - } else { - // decimal encoded unicode - cp = Integer.parseInt(e.substring(1)); - } - return new String(new int[] {cp},0,1); - } - Character knownEntity = entity.get(e); - if(knownEntity==null) { - // we don't know the entity so keep it encoded - return '&' + e + ';'; - } - return knownEntity.toString(); - } - - - /** - * Returns the next XML meta token. This is used for skipping over - * and structures. - * @return Syntax characters (< > / = ! ?) are returned as - * Character, and strings and names are returned as Boolean. We don't care - * what the values actually are. - * @throws JSONException If a string is not properly closed or if the XML - * is badly structured. - */ - public Object nextMeta() throws JSONException { - char c; - char q; - do { - c = next(); - } while (Character.isWhitespace(c)); - switch (c) { - case 0: - throw syntaxError("Misshaped meta tag"); - case '<': - return XML.LT; - case '>': - return XML.GT; - case '/': - return XML.SLASH; - case '=': - return XML.EQ; - case '!': - return XML.BANG; - case '?': - return XML.QUEST; - case '"': - case '\'': - q = c; - for (;;) { - c = next(); - if (c == 0) { - throw syntaxError("Unterminated string"); - } - if (c == q) { - return Boolean.TRUE; - } - } - default: - for (;;) { - c = next(); - if (Character.isWhitespace(c)) { - return Boolean.TRUE; - } - switch (c) { - case 0: - case '<': - case '>': - case '/': - case '=': - case '!': - case '?': - case '"': - case '\'': - back(); - return Boolean.TRUE; - } - } - } - } - - - /** - * Get the next XML Token. These tokens are found inside of angle - * brackets. It may be one of these characters: / > = ! ? or it - * may be a string wrapped in single quotes or double quotes, or it may be a - * name. - * @return a String or a Character. - * @throws JSONException If the XML is not well formed. - */ - public Object nextToken() throws JSONException { - char c; - char q; - StringBuilder sb; - do { - c = next(); - } while (Character.isWhitespace(c)); - switch (c) { - case 0: - throw syntaxError("Misshaped element"); - case '<': - throw syntaxError("Misplaced '<'"); - case '>': - return XML.GT; - case '/': - return XML.SLASH; - case '=': - return XML.EQ; - case '!': - return XML.BANG; - case '?': - return XML.QUEST; - -// Quoted string - - case '"': - case '\'': - q = c; - sb = new StringBuilder(); - for (;;) { - c = next(); - if (c == 0) { - throw syntaxError("Unterminated string"); - } - if (c == q) { - return sb.toString(); - } - if (c == '&') { - sb.append(nextEntity(c)); - } else { - sb.append(c); - } - } - default: - -// Name - - sb = new StringBuilder(); - for (;;) { - sb.append(c); - c = next(); - if (Character.isWhitespace(c)) { - return sb.toString(); - } - switch (c) { - case 0: - return sb.toString(); - case '>': - case '/': - case '=': - case '!': - case '?': - case '[': - case ']': - back(); - return sb.toString(); - case '<': - case '"': - case '\'': - throw syntaxError("Bad character in a name"); - } - } - } - } - - - /** - * Skip characters until past the requested string. - * If it is not found, we are left at the end of the source with a result of false. - * @param to A string to skip past. - */ - // The Android implementation of JSONTokener has a public method of public void skipPast(String to) - // even though ours does not have that method, to have API compatibility, our method in the subclass - // should match. - public void skipPast(String to) { - boolean b; - char c; - int i; - int j; - int offset = 0; - int length = to.length(); - char[] circle = new char[length]; - - /* - * First fill the circle buffer with as many characters as are in the - * to string. If we reach an early end, bail. - */ - - for (i = 0; i < length; i += 1) { - c = next(); - if (c == 0) { - return; - } - circle[i] = c; - } - - /* We will loop, possibly for all of the remaining characters. */ - - for (;;) { - j = offset; - b = true; - - /* Compare the circle buffer with the to string. */ - - for (i = 0; i < length; i += 1) { - if (circle[j] != to.charAt(i)) { - b = false; - break; - } - j += 1; - if (j >= length) { - j -= length; - } - } - - /* If we exit the loop with b intact, then victory is ours. */ - - if (b) { - return; - } - - /* Get the next character. If there isn't one, then defeat is ours. */ - - c = next(); - if (c == 0) { - return; - } - /* - * Shove the character in the circle buffer and advance the - * circle offset. The offset is mod n. - */ - circle[offset] = c; - offset += 1; - if (offset >= length) { - offset -= length; - } - } - } -}