package mir.util;
import java.net.URLEncoder;
+import java.util.HashMap;
+import java.util.Map;
public class HTMLRoutines {
-
+ /**
+ * Encodes a URL: escapes reserved URL characters like &, = into % escape
+ * constructions.
+ */
public static String encodeURL(String aString) {
return URLEncoder.encode(aString);
}
- /**
- *
- *
- * @param aString
- * @param anEncoding the encoding to use (Note: JDK 1.3 does not seem to support custom
- * encodings, so this parameter is ignored for now)
- * @return
- */
-
public static String encodeURL(String aString, String anEncoding) {
try {
return URLEncoder.encode(aString);
"", "", "", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", ""};
-
return StringRoutines.replaceStringCharacters(aText, CHARACTERS_TO_ESCAPE, ESCAPE_CODES);
}
+
+ private static final Map htmlEntities = new HashMap();
+
+ private static final String[] HTML_ENTITY_TABLE = {
+ "nbsp", "\u00a0", "iexcl", "\u00a1", "cent", "\u00a2", "pound", "\u00a3", "curren", "\u00a4", "yen", "\u00a5",
+ "brvbar", "\u00a6", "sect", "\u00a7", "uml", "\u00a8", "copy", "\u00a9", "ordf", "\u00aa", "laquo", "\u00ab",
+ "not", "\u00ac", "shy", "\u00ad", "reg", "\u00ae", "macr", "\u00af", "deg", "\u00b0", "plusmn", "\u00b1",
+ "sup2", "\u00b2", "sup3", "\u00b3", "acute", "\u00b4", "micro", "\u00b5", "para", "\u00b6", "middot", "\u00b7",
+ "cedil", "\u00b8", "sup1", "\u00b9", "ordm", "\u00ba", "raquo", "\u00bb", "frac14", "\u00bc", "frac12", "\u00bd",
+ "frac34", "\u00be", "iquest", "\u00bf", "Agrave", "\u00c0", "Aacute", "\u00c1", "Acirc", "\u00c2", "Atilde", "\u00c3",
+ "Auml", "\u00c4", "Aring", "\u00c5", "AElig", "\u00c6", "Ccedil", "\u00c7", "Egrave", "\u00c8", "Eacute", "\u00c9",
+ "Ecirc", "\u00ca", "Euml", "\u00cb", "Igrave", "\u00cc", "Iacute", "\u00cd", "Icirc", "\u00ce", "Iuml", "\u00cf",
+ "ETH", "\u00d0", "Ntilde", "\u00d1", "Ograve", "\u00d2", "Oacute", "\u00d3", "Ocirc", "\u00d4", "Otilde", "\u00d5",
+ "Ouml", "\u00d6", "times", "\u00d7", "Oslash", "\u00d8", "Ugrave", "\u00d9", "Uacute", "\u00da", "Ucirc", "\u00db",
+ "Uuml", "\u00dc", "Yacute", "\u00dd", "THORN", "\u00de", "szlig", "\u00df", "agrave", "\u00e0", "aacute", "\u00e1",
+ "acirc", "\u00e2", "atilde", "\u00e3", "auml", "\u00e4", "aring", "\u00e5", "aelig", "\u00e6", "ccedil", "\u00e7",
+ "egrave", "\u00e8", "eacute", "\u00e9", "ecirc", "\u00ea", "euml", "\u00eb", "igrave", "\u00ec", "iacute", "\u00ed",
+ "icirc", "\u00ee", "iuml", "\u00ef", "eth", "\u00f0", "ntilde", "\u00f1", "ograve", "\u00f2", "oacute", "\u00f3",
+ "ocirc", "\u00f4", "otilde", "\u00f5", "ouml", "\u00f6", "divide", "\u00f7", "oslash", "\u00f8", "ugrave", "\u00f9",
+ "uacute", "\u00fa", "ucirc", "\u00fb", "uuml", "\u00fc", "yacute", "\u00fd", "thorn", "\u00fe", "yuml", "\u00ff",
+ "fnof", "\u0192", "Alpha", "\u0391", "Beta", "\u0392", "Gamma", "\u0393", "Delta", "\u0394", "Epsilon", "\u0395",
+ "Zeta", "\u0396", "Eta", "\u0397", "Theta", "\u0398", "Iota", "\u0399", "Kappa", "\u039a", "Lambda", "\u039b",
+ "Mu", "\u039c", "Nu", "\u039d", "Xi", "\u039e", "Omicron", "\u039f", "Pi", "\u03a0", "Rho", "\u03a1",
+ "Sigma", "\u03a3", "Tau", "\u03a4", "Upsilon", "\u03a5", "Phi", "\u03a6", "Chi", "\u03a7", "Psi", "\u03a8",
+ "Omega", "\u03a9", "alpha", "\u03b1", "beta", "\u03b2", "gamma", "\u03b3", "delta", "\u03b4", "epsilon", "\u03b5",
+ "zeta", "\u03b6", "eta", "\u03b7", "theta", "\u03b8", "iota", "\u03b9", "kappa", "\u03ba", "lambda", "\u03bb",
+ "mu", "\u03bc", "nu", "\u03bd", "xi", "\u03be", "omicron", "\u03bf", "pi", "\u03c0", "rho", "\u03c1",
+ "sigmaf", "\u03c2", "sigma", "\u03c3", "tau", "\u03c4", "upsilon", "\u03c5", "phi", "\u03c6", "chi", "\u03c7",
+ "psi", "\u03c8", "omega", "\u03c9", "thetasym","\u03d1", "upsih", "\u03d2", "piv", "\u03d6", "bull", "\u2022",
+ "hellip", "\u2026", "prime", "\u2032", "Prime", "\u2033", "oline", "\u203e", "frasl", "\u2044", "weierp", "\u2118",
+ "image", "\u2111", "real", "\u211c", "trade", "\u2122", "alefsym", "\u2135", "larr", "\u2190", "uarr", "\u2191",
+ "rarr", "\u2192", "darr", "\u2193", "harr", "\u2194", "crarr", "\u21b5", "lArr", "\u21d0", "uArr", "\u21d1",
+ "rArr", "\u21d2", "dArr", "\u21d3", "hArr", "\u21d4", "forall", "\u2200", "part", "\u2202", "exist", "\u2203",
+ "empty", "\u2205", "nabla", "\u2207", "isin", "\u2208", "notin", "\u2209", "ni", "\u220b", "prod", "\u220f",
+ "sum", "\u2211", "minus", "\u2212", "lowast", "\u2217", "radic", "\u221a", "prop", "\u221d", "infin", "\u221e",
+ "ang", "\u2220", "and", "\u2227", "or", "\u2228", "cap", "\u2229", "cup", "\u222a", "int", "\u222b",
+ "there4", "\u2234", "sim", "\u223c", "cong", "\u2245", "asymp", "\u2248", "ne", "\u2260", "equiv", "\u2261",
+ "le", "\u2264", "ge", "\u2265", "sub", "\u2282", "sup", "\u2283", "nsub", "\u2284", "sube", "\u2286",
+ "supe", "\u2287", "oplus", "\u2295", "otimes", "\u2297", "perp", "\u22a5", "sdot", "\u22c5", "lceil", "\u2308",
+ "rceil", "\u2309", "lfloor", "\u230a", "rfloor", "\u230b", "lang", "\u2329", "rang", "\u232a", "loz", "\u25ca",
+ "spades", "\u2660", "clubs", "\u2663", "hearts", "\u2665", "diams", "\u2666", "quot", "\"", "amp", "\u0026",
+ "lt", "\u003c", "gt", "\u003e", "OElig", "\u0152", "oelig", "\u0153", "Scaron", "\u0160", "scaron", "\u0161",
+ "Yuml", "\u0178", "circ", "\u02c6", "tilde", "\u02dc", "ensp", "\u2002", "emsp", "\u2003", "thinsp", "\u2009",
+ "zwnj", "\u200c", "zwj", "\u200d", "lrm", "\u200e", "rlm", "\u200f", "ndash", "\u2013", "mdash", "\u2014",
+ "lsquo", "\u2018", "rsquo", "\u2019", "sbquo", "\u201a", "ldquo", "\u201c", "rdquo", "\u201d", "bdquo", "\u201e",
+ "dagger", "\u2020", "Dagger", "\u2021", "permil", "\u2030", "lsaquo", "\u2039", "rsaquo", "\u203a", "euro", "\u20ac"
+ };
+
+ static {
+ for (int i=0; i+1<HTML_ENTITY_TABLE.length; i+=2) {
+ htmlEntities.put(HTML_ENTITY_TABLE[i], HTML_ENTITY_TABLE[i+1]);
+ }
+ }
+
+ /**
+ * Resolves an html entity if possible, returns the unresolved entity otherwise
+ *
+ * Possible entities:
+ * &#<decimal number>;
+ * &#x<hexadecimal number>;
+ * &<entity name>;
+ */
+ public static String resolveHTMLEntity(String anEntity) {
+ if (anEntity.length()<3 || anEntity.length()>10 ||
+ anEntity.charAt(0)!='&' ||
+ anEntity.charAt(anEntity.length()-1)!=';')
+ return anEntity;
+
+ if (anEntity.charAt(1)=='#') {
+ try {
+ int number=-1;
+
+ if (anEntity.charAt(2)=='x') {
+ number = Integer.parseInt(anEntity.substring(3,anEntity.length()-1), 16);
+ }
+ else {
+ number = Integer.parseInt(anEntity.substring(2,anEntity.length()-1), 10);
+ }
+
+ if (number>=Character.MIN_VALUE && number<=Character.MAX_VALUE &&
+ Character.isDefined((char) number)) {
+ return new String(new char[]{(char) number});
+ }
+ }
+ catch (NumberFormatException e) {
+ }
+ }
+ else {
+ String name = anEntity.substring(1,anEntity.length()-1);
+
+ String result = (String) htmlEntities.get(name);
+
+ if (result!=null)
+ return result;
+ }
+
+ return anEntity;
+ }
+
+ /**
+ * Resolve all HTML entities (&....;) in a text
+ */
+ public static String resolveHTMLEntites(String aText) {
+ StringBuffer result = new StringBuffer();
+
+ int oldPosition = 0;
+ int position;
+
+ do {
+ position = aText.indexOf("&", oldPosition);
+ if (position<0)
+ position = aText.length();
+
+ result.append(aText.substring(oldPosition,position));
+
+ if (position<aText.length()) {
+ int position2 = aText.indexOf(";", position);
+
+ if (position2>position+1) {
+ result.append(resolveHTMLEntity(aText.substring(position, position2+1)));
+ oldPosition=position2+1;
+ }
+ else {
+ result.append(aText.charAt(position));
+ oldPosition = position+1;
+ }
+ }
+ } while (position<aText.length());
+
+ return result.toString();
+ }
}
\ No newline at end of file
projects / mir.git / commitdiff