diff options
Diffstat (limited to 'server/src/org/jsoup/nodes/Entities.java')
| -rw-r--r-- | server/src/org/jsoup/nodes/Entities.java | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/server/src/org/jsoup/nodes/Entities.java b/server/src/org/jsoup/nodes/Entities.java deleted file mode 100644 index 24b50d7344..0000000000 --- a/server/src/org/jsoup/nodes/Entities.java +++ /dev/null @@ -1,217 +0,0 @@ -package org.jsoup.nodes; - -import java.io.IOException; -import java.io.InputStream; -import java.nio.charset.CharsetEncoder; -import java.util.HashMap; -import java.util.Map; -import java.util.MissingResourceException; -import java.util.Properties; -import java.util.regex.Matcher; -import java.util.regex.Pattern; - -/** - * HTML entities, and escape routines. Source: <a href= - * "http://www.w3.org/TR/html5/named-character-references.html#named-character-references" - * >W3C HTML named character references</a>. - */ -public class Entities { - public enum EscapeMode { - /** - * Restricted entities suitable for XHTML output: lt, gt, amp, apos, and - * quot only. - */ - xhtml(xhtmlByVal), - /** Default HTML output entities. */ - base(baseByVal), - /** Complete HTML entities. */ - extended(fullByVal); - - private Map<Character, String> map; - - EscapeMode(Map<Character, String> map) { - this.map = map; - } - - public Map<Character, String> getMap() { - return map; - } - } - - private static final Map<String, Character> full; - private static final Map<Character, String> xhtmlByVal; - private static final Map<Character, String> baseByVal; - private static final Map<Character, String> fullByVal; - private static final Pattern unescapePattern = Pattern - .compile("&(#(x|X)?([0-9a-fA-F]+)|[a-zA-Z]+\\d*);?"); - private static final Pattern strictUnescapePattern = Pattern - .compile("&(#(x|X)?([0-9a-fA-F]+)|[a-zA-Z]+\\d*);"); - - private Entities() { - } - - /** - * Check if the input is a known named entity - * - * @param name - * the possible entity name (e.g. "lt" or "amp" - * @return true if a known named entity - */ - public static boolean isNamedEntity(String name) { - return full.containsKey(name); - } - -/** - * Get the Character value of the named entity - * @param name named entity (e.g. "lt" or "amp") - * @return the Character value of the named entity (e.g. '<' or '&') - */ - public static Character getCharacterByName(String name) { - return full.get(name); - } - - static String escape(String string, Document.OutputSettings out) { - return escape(string, out.encoder(), out.escapeMode()); - } - - static String escape(String string, CharsetEncoder encoder, - EscapeMode escapeMode) { - StringBuilder accum = new StringBuilder(string.length() * 2); - Map<Character, String> map = escapeMode.getMap(); - - for (int pos = 0; pos < string.length(); pos++) { - Character c = string.charAt(pos); - if (map.containsKey(c)) { - accum.append('&').append(map.get(c)).append(';'); - } else if (encoder.canEncode(c)) { - accum.append(c.charValue()); - } else { - accum.append("&#").append((int) c).append(';'); - } - } - - return accum.toString(); - } - - static String unescape(String string) { - return unescape(string, false); - } - - /** - * Unescape the input string. - * - * @param string - * @param strict - * if "strict" (that is, requires trailing ';' char, otherwise - * that's optional) - * @return - */ - static String unescape(String string, boolean strict) { - // todo: change this method to use Tokeniser.consumeCharacterReference - if (!string.contains("&")) { - return string; - } - - Matcher m = strict ? strictUnescapePattern.matcher(string) - : unescapePattern.matcher(string); // &(#(x|X)?([0-9a-fA-F]+)|[a-zA-Z]\\d*);? - StringBuffer accum = new StringBuffer(string.length()); // pity matcher - // can't use - // stringbuilder, - // avoid syncs - // todo: replace m.appendReplacement with own impl, so StringBuilder and - // quoteReplacement not required - - while (m.find()) { - int charval = -1; - String num = m.group(3); - if (num != null) { - try { - int base = m.group(2) != null ? 16 : 10; // 2 is hex - // indicator - charval = Integer.valueOf(num, base); - } catch (NumberFormatException e) { - } // skip - } else { - String name = m.group(1); - if (full.containsKey(name)) { - charval = full.get(name); - } - } - - if (charval != -1 || charval > 0xFFFF) { // out of range - String c = Character.toString((char) charval); - m.appendReplacement(accum, Matcher.quoteReplacement(c)); - } else { - m.appendReplacement(accum, Matcher.quoteReplacement(m.group(0))); // replace - // with - // original - // string - } - } - m.appendTail(accum); - return accum.toString(); - } - - // xhtml has restricted entities - private static final Object[][] xhtmlArray = { { "quot", 0x00022 }, - { "amp", 0x00026 }, { "apos", 0x00027 }, { "lt", 0x0003C }, - { "gt", 0x0003E } }; - - static { - xhtmlByVal = new HashMap<Character, String>(); - baseByVal = toCharacterKey(loadEntities("entities-base.properties")); // most - // common - // / - // default - full = loadEntities("entities-full.properties"); // extended and - // overblown. - fullByVal = toCharacterKey(full); - - for (Object[] entity : xhtmlArray) { - Character c = Character.valueOf((char) ((Integer) entity[1]) - .intValue()); - xhtmlByVal.put(c, ((String) entity[0])); - } - } - - private static Map<String, Character> loadEntities(String filename) { - Properties properties = new Properties(); - Map<String, Character> entities = new HashMap<String, Character>(); - try { - InputStream in = Entities.class.getResourceAsStream(filename); - properties.load(in); - in.close(); - } catch (IOException e) { - throw new MissingResourceException( - "Error loading entities resource: " + e.getMessage(), - "Entities", filename); - } - - for (Map.Entry entry : properties.entrySet()) { - Character val = Character.valueOf((char) Integer.parseInt( - (String) entry.getValue(), 16)); - String name = (String) entry.getKey(); - entities.put(name, val); - } - return entities; - } - - private static Map<Character, String> toCharacterKey( - Map<String, Character> inMap) { - Map<Character, String> outMap = new HashMap<Character, String>(); - for (Map.Entry<String, Character> entry : inMap.entrySet()) { - Character character = entry.getValue(); - String name = entry.getKey(); - - if (outMap.containsKey(character)) { - // dupe, prefer the lower case version - if (name.toLowerCase().equals(name)) { - outMap.put(character, name); - } - } else { - outMap.put(character, name); - } - } - return outMap; - } -} |