/**
* Copyright (c) 2005-2017, KoLmafia development team
* http://kolmafia.sourceforge.net/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* [1] Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* [2] Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* [3] Neither the name "KoLmafia" nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.kolmafia.utilities;
import java.util.HashMap;
import java.util.Map;
public class CharacterEntities
{
// Overkill Unicode table borrowed from HTMLParser
// http://htmlparser.sourceforge.net/
private static final String[][] UNICODE_TABLE =
{
// Portions (c) International Organization for Standardization 1986
// Permission to copy in any form is granted for use with
// conforming SGML systems and applications as defined in
// ISO 8879, provided this notice is included in all copies.
// Character entity set. Typical invocation:
// <!ENTITY % HTMLlat1 PUBLIC
// "-//W3C//ENTITIES Latin 1//EN//HTML">
// %HTMLlat1;
{
" ",
" "
}, // no-break space = non-breaking space, U+00A0 ISOnum
{
"¡",
"\u00a1"
}, // inverted exclamation mark, U+00A1 ISOnum
{
"¢",
"\u00a2"
}, // cent sign, U+00A2 ISOnum
{
"£",
"\u00a3"
}, // pound sign, U+00A3 ISOnum
{
"¤",
"\u00a4"
}, // currency sign, U+00A4 ISOnum
{
"¥",
"\u00a5"
}, // yen sign = yuan sign, U+00A5 ISOnum
{
"¦",
"\u00a6"
}, // broken bar = broken vertical bar, U+00A6 ISOnum
{
"§",
"\u00a7"
}, // section sign, U+00A7 ISOnum
{
"¨",
"\u00a8"
}, // diaeresis = spacing diaeresis, U+00A8 ISOdia
{
"©",
"\u00a9"
}, // copyright sign, U+00A9 ISOnum
{
"ª",
"\u00aa"
}, // feminine ordinal indicator, U+00AA ISOnum
{
"«",
"\u00ab"
}, // left-pointing float angle quotation mark = left pointing guillemet, U+00AB ISOnum
{
"¬",
"\u00ac"
}, // not sign, U+00AC ISOnum
{
"",
"\u00ad"
}, // soft hyphen = discretionary hyphen, U+00AD ISOnum
{
"®",
"\u00ae"
}, // registered sign = registered trade mark sign, U+00AE ISOnum
{
"¯",
"\u00af"
}, // macron = spacing macron = overline = APL overbar, U+00AF ISOdia
{
"°",
"\u00b0"
}, // degree sign, U+00B0 ISOnum
{
"±",
"\u00b1"
}, // plus-minus sign = plus-or-minus sign, U+00B1 ISOnum
{
"²",
"\u00b2"
}, // superscript two = superscript digit two = squared, U+00B2 ISOnum
{
"³",
"\u00b3"
}, // superscript three = superscript digit three = cubed, U+00B3 ISOnum
{
"´",
"\u00b4"
}, // acute accent = spacing acute, U+00B4 ISOdia
{
"µ",
"\u00b5"
}, // micro sign, U+00B5 ISOnum
{
"¶",
"\u00b6"
}, // pilcrow sign = paragraph sign, U+00B6 ISOnum
{
"·",
"\u00b7"
}, // middle dot = Georgian comma = Greek middle dot, U+00B7 ISOnum
{
"¸",
"\u00b8"
}, // cedilla = spacing cedilla, U+00B8 ISOdia
{
"¹",
"\u00b9"
}, // superscript one = superscript digit one, U+00B9 ISOnum
{
"º",
"\u00ba"
}, // masculine ordinal indicator, U+00BA ISOnum
{
"»",
"\u00bb"
}, // right-pointing float angle quotation mark = right pointing guillemet, U+00BB ISOnum
{
"¼",
"\u00bc"
}, // vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum
{
"½",
"\u00bd"
}, // vulgar fraction one half = fraction one half, U+00BD ISOnum
{
"¾",
"\u00be"
}, // vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum
{
"¿",
"\u00bf"
}, // inverted question mark = turned question mark, U+00BF ISOnum
{
"À",
"\u00c0"
}, // latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1
{
"Á",
"\u00c1"
}, // latin capital letter A with acute, U+00C1 ISOlat1
{
"Â",
"\u00c2"
}, // latin capital letter A with circumflex, U+00C2 ISOlat1
{
"Ã",
"\u00c3"
}, // latin capital letter A with tilde, U+00C3 ISOlat1
{
"Ä",
"\u00c4"
}, // latin capital letter A with diaeresis, U+00C4 ISOlat1
{
"Å",
"\u00c5"
}, // latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1
{
"Æ",
"\u00c6"
}, // latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1
{
"Ç",
"\u00c7"
}, // latin capital letter C with cedilla, U+00C7 ISOlat1
{
"È",
"\u00c8"
}, // latin capital letter E with grave, U+00C8 ISOlat1
{
"É",
"\u00c9"
}, // latin capital letter E with acute, U+00C9 ISOlat1
{
"Ê",
"\u00ca"
}, // latin capital letter E with circumflex, U+00CA ISOlat1
{
"Ë",
"\u00cb"
}, // latin capital letter E with diaeresis, U+00CB ISOlat1
{
"Ì",
"\u00cc"
}, // latin capital letter I with grave, U+00CC ISOlat1
{
"Í",
"\u00cd"
}, // latin capital letter I with acute, U+00CD ISOlat1
{
"Î",
"\u00ce"
}, // latin capital letter I with circumflex, U+00CE ISOlat1
{
"Ï",
"\u00cf"
}, // latin capital letter I with diaeresis, U+00CF ISOlat1
{
"Ð",
"\u00d0"
}, // latin capital letter ETH, U+00D0 ISOlat1
{
"Ñ",
"\u00d1"
}, // latin capital letter N with tilde, U+00D1 ISOlat1
{
"Ò",
"\u00d2"
}, // latin capital letter O with grave, U+00D2 ISOlat1
{
"Ó",
"\u00d3"
}, // latin capital letter O with acute, U+00D3 ISOlat1
{
"Ô",
"\u00d4"
}, // latin capital letter O with circumflex, U+00D4 ISOlat1
{
"Õ",
"\u00d5"
}, // latin capital letter O with tilde, U+00D5 ISOlat1
{
"Ö",
"\u00d6"
}, // latin capital letter O with diaeresis, U+00D6 ISOlat1
{
"×",
"\u00d7"
}, // multiplication sign, U+00D7 ISOnum
{
"Ø",
"\u00d8"
}, // latin capital letter O with stroke = latin capital letter O slash, U+00D8 ISOlat1
{
"Ù",
"\u00d9"
}, // latin capital letter U with grave, U+00D9 ISOlat1
{
"Ú",
"\u00da"
}, // latin capital letter U with acute, U+00DA ISOlat1
{
"Û",
"\u00db"
}, // latin capital letter U with circumflex, U+00DB ISOlat1
{
"Ü",
"\u00dc"
}, // latin capital letter U with diaeresis, U+00DC ISOlat1
{
"Ý",
"\u00dd"
}, // latin capital letter Y with acute, U+00DD ISOlat1
{
"Þ",
"\u00de"
}, // latin capital letter THORN, U+00DE ISOlat1
{
"ß",
"\u00df"
}, // latin small letter sharp s = ess-zed, U+00DF ISOlat1
{
"à",
"\u00e0"
}, // latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1
{
"á",
"\u00e1"
}, // latin small letter a with acute, U+00E1 ISOlat1
{
"â",
"\u00e2"
}, // latin small letter a with circumflex, U+00E2 ISOlat1
{
"ã",
"\u00e3"
}, // latin small letter a with tilde, U+00E3 ISOlat1
{
"ä",
"\u00e4"
}, // latin small letter a with diaeresis, U+00E4 ISOlat1
{
"å",
"\u00e5"
}, // latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1
{
"æ",
"\u00e6"
}, // latin small letter ae = latin small ligature ae, U+00E6 ISOlat1
{
"ç",
"\u00e7"
}, // latin small letter c with cedilla, U+00E7 ISOlat1
{
"è",
"\u00e8"
}, // latin small letter e with grave, U+00E8 ISOlat1
{
"é",
"\u00e9"
}, // latin small letter e with acute, U+00E9 ISOlat1
{
"ê",
"\u00ea"
}, // latin small letter e with circumflex, U+00EA ISOlat1
{
"ë",
"\u00eb"
}, // latin small letter e with diaeresis, U+00EB ISOlat1
{
"ì",
"\u00ec"
}, // latin small letter i with grave, U+00EC ISOlat1
{
"í",
"\u00ed"
}, // latin small letter i with acute, U+00ED ISOlat1
{
"î",
"\u00ee"
}, // latin small letter i with circumflex, U+00EE ISOlat1
{
"ï",
"\u00ef"
}, // latin small letter i with diaeresis, U+00EF ISOlat1
{
"ð",
"\u00f0"
}, // latin small letter eth, U+00F0 ISOlat1
{
"ñ",
"\u00f1"
}, // latin small letter n with tilde, U+00F1 ISOlat1
{
"ò",
"\u00f2"
}, // latin small letter o with grave, U+00F2 ISOlat1
{
"ó",
"\u00f3"
}, // latin small letter o with acute, U+00F3 ISOlat1
{
"ô",
"\u00f4"
}, // latin small letter o with circumflex, U+00F4 ISOlat1
{
"õ",
"\u00f5"
}, // latin small letter o with tilde, U+00F5 ISOlat1
{
"ö",
"\u00f6"
}, // latin small letter o with diaeresis, U+00F6 ISOlat1
{
"÷",
"\u00f7"
}, // division sign, U+00F7 ISOnum
{
"ø",
"\u00f8"
}, // latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1
{
"ù",
"\u00f9"
}, // latin small letter u with grave, U+00F9 ISOlat1
{
"ú",
"\u00fa"
}, // latin small letter u with acute, U+00FA ISOlat1
{
"û",
"\u00fb"
}, // latin small letter u with circumflex, U+00FB ISOlat1
{
"ü",
"\u00fc"
}, // latin small letter u with diaeresis, U+00FC ISOlat1
{
"ý",
"\u00fd"
}, // latin small letter y with acute, U+00FD ISOlat1
{
"þ",
"\u00fe"
}, // latin small letter thorn, U+00FE ISOlat1
{
"ÿ",
"\u00ff"
}, // latin small letter y with diaeresis, U+00FF ISOlat1
// Mathematical, Greek and Symbolic characters for HTML
// Character entity set. Typical invocation:
// <!ENTITY % HTMLsymbol PUBLIC
// "-//W3C//ENTITIES Symbols//EN//HTML">
// %HTMLsymbol;
// Portions (c) International Organization for Standardization 1986
// Permission to copy in any form is granted for use with
// conforming SGML systems and applications as defined in
// ISO 8879, provided this notice is included in all copies.
// Relevant ISO entity set is given unless names are newly introduced.
// New names (i.e., not in ISO 8879 list) do not clash with any
// existing ISO 8879 entity names. ISO 10646 character numbers
// are given for each character, in hex. CDATA values are decimal
// conversions of the ISO 10646 values and refer to the document
// character set. Names are ISO 10646 names.
// Latin Extended-B
{
"ƒ",
"\u0192"
}, // latin small f with hook = function = florin, U+0192 ISOtech
// Greek
{
"Α",
"\u0391"
}, // greek capital letter alpha, U+0391
{
"Β",
"\u0392"
}, // greek capital letter beta, U+0392
{
"Γ",
"\u0393"
}, // greek capital letter gamma, U+0393 ISOgrk3
{
"Δ",
"\u0394"
}, // greek capital letter delta, U+0394 ISOgrk3
{
"Ε",
"\u0395"
}, // greek capital letter epsilon, U+0395
{
"Ζ",
"\u0396"
}, // greek capital letter zeta, U+0396
{
"Η",
"\u0397"
}, // greek capital letter eta, U+0397
{
"Θ",
"\u0398"
}, // greek capital letter theta, U+0398 ISOgrk3
{
"Ι",
"\u0399"
}, // greek capital letter iota, U+0399
{
"Κ",
"\u039a"
}, // greek capital letter kappa, U+039A
{
"Λ",
"\u039b"
}, // greek capital letter lambda, U+039B ISOgrk3
{
"Μ",
"\u039c"
}, // greek capital letter mu, U+039C
{
"Ν",
"\u039d"
}, // greek capital letter nu, U+039D
{
"Ξ",
"\u039e"
}, // greek capital letter xi, U+039E ISOgrk3
{
"Ο",
"\u039f"
}, // greek capital letter omicron, U+039F
{
"Π",
"\u03a0"
}, // greek capital letter pi, U+03A0 ISOgrk3
{
"Ρ",
"\u03a1"
}, // greek capital letter rho, U+03A1
// there is no Sigmaf, and no U+03A2 character either
{
"Σ",
"\u03a3"
}, // greek capital letter sigma, U+03A3 ISOgrk3
{
"Τ",
"\u03a4"
}, // greek capital letter tau, U+03A4
{
"Υ",
"\u03a5"
}, // greek capital letter upsilon, U+03A5 ISOgrk3
{
"Φ",
"\u03a6"
}, // greek capital letter phi, U+03A6 ISOgrk3
{
"Χ",
"\u03a7"
}, // greek capital letter chi, U+03A7
{
"Ψ",
"\u03a8"
}, // greek capital letter psi, U+03A8 ISOgrk3
{
"Ω",
"\u03a9"
}, // greek capital letter omega, U+03A9 ISOgrk3
{
"α",
"\u03b1"
}, // greek small letter alpha, U+03B1 ISOgrk3
{
"β",
"\u03b2"
}, // greek small letter beta, U+03B2 ISOgrk3
{
"γ",
"\u03b3"
}, // greek small letter gamma, U+03B3 ISOgrk3
{
"δ",
"\u03b4"
}, // greek small letter delta, U+03B4 ISOgrk3
{
"ε",
"\u03b5"
}, // greek small letter epsilon, U+03B5 ISOgrk3
{
"ζ",
"\u03b6"
}, // greek small letter zeta, U+03B6 ISOgrk3
{
"η",
"\u03b7"
}, // greek small letter eta, U+03B7 ISOgrk3
{
"θ",
"\u03b8"
}, // greek small letter theta, U+03B8 ISOgrk3
{
"ι",
"\u03b9"
}, // greek small letter iota, U+03B9 ISOgrk3
{
"κ",
"\u03ba"
}, // greek small letter kappa, U+03BA ISOgrk3
{
"λ",
"\u03bb"
}, // greek small letter lambda, U+03BB ISOgrk3
{
"μ",
"\u03bc"
}, // greek small letter mu, U+03BC ISOgrk3
{
"ν",
"\u03bd"
}, // greek small letter nu, U+03BD ISOgrk3
{
"ξ",
"\u03be"
}, // greek small letter xi, U+03BE ISOgrk3
{
"ο",
"\u03bf"
}, // greek small letter omicron, U+03BF NEW
{
"π",
"\u03c0"
}, // greek small letter pi, U+03C0 ISOgrk3
{
"ρ",
"\u03c1"
}, // greek small letter rho, U+03C1 ISOgrk3
{
"ς",
"\u03c2"
}, // greek small letter final sigma, U+03C2 ISOgrk3
{
"σ",
"\u03c3"
}, // greek small letter sigma, U+03C3 ISOgrk3
{
"τ",
"\u03c4"
}, // greek small letter tau, U+03C4 ISOgrk3
{
"υ",
"\u03c5"
}, // greek small letter upsilon, U+03C5 ISOgrk3
{
"φ",
"\u03c6"
}, // greek small letter phi, U+03C6 ISOgrk3
{
"χ",
"\u03c7"
}, // greek small letter chi, U+03C7 ISOgrk3
{
"ψ",
"\u03c8"
}, // greek small letter psi, U+03C8 ISOgrk3
{
"ω",
"\u03c9"
}, // greek small letter omega, U+03C9 ISOgrk3
{
"ϑ",
"\u03d1"
}, // greek small letter theta symbol, U+03D1 NEW
{
"ϒ",
"\u03d2"
}, // greek upsilon with hook symbol, U+03D2 NEW
{
"ϖ",
"\u03d6"
}, // greek pi symbol, U+03D6 ISOgrk3
// General Punctuation
{
"•",
"\u2022"
}, // bullet = black small circle, U+2022 ISOpub
{
"…",
"\u2026"
}, // horizontal ellipsis = three dot leader, U+2026 ISOpub
{
"′",
"\u2032"
}, // prime = minutes = feet, U+2032 ISOtech
{
"″",
"\u2033"
}, // float prime = seconds = inches, U+2033 ISOtech
{
"‾",
"\u203e"
}, // overline = spacing overscore, U+203E NEW
{
"⁄",
"\u2044"
}, // fraction slash, U+2044 NEW
// Letterlike Symbols
{
"℘",
"\u2118"
}, // script capital P = power set = Weierstrass p, U+2118 ISOamso
{
"ℑ",
"\u2111"
}, // blackletter capital I = imaginary part, U+2111 ISOamso
{
"ℜ",
"\u211c"
}, // blackletter capital R = real part symbol, U+211C ISOamso
{
"™",
"\u2122"
}, // trade mark sign, U+2122 ISOnum
{
"ℵ",
"\u2135"
}, // alef symbol = first transfinite cardinal, U+2135 NEW
// Arrows
{
"←",
"\u2190"
}, // leftwards arrow, U+2190 ISOnum
{
"↑",
"\u2191"
}, // upwards arrow, U+2191 ISOnum
{
"→",
"\u2192"
}, // rightwards arrow, U+2192 ISOnum
{
"↓",
"\u2193"
}, // downwards arrow, U+2193 ISOnum
{
"↔",
"\u2194"
}, // left right arrow, U+2194 ISOamsa
{
"↵",
"\u21b5"
}, // downwards arrow with corner leftwards = carriage return, U+21B5 NEW
{
"⇐",
"\u21d0"
}, // leftwards float arrow, U+21D0 ISOtech
{
"⇑",
"\u21d1"
}, // upwards float arrow, U+21D1 ISOamsa
{
"⇒",
"\u21d2"
}, // rightwards float arrow, U+21D2 ISOtech
{
"⇓",
"\u21d3"
}, // downwards float arrow, U+21D3 ISOamsa
{
"⇔",
"\u21d4"
}, // left right float arrow, U+21D4 ISOamsa
// Mathematical Operators
{
"∀",
"\u2200"
}, // for all, U+2200 ISOtech
{
"∂",
"\u2202"
}, // partial differential, U+2202 ISOtech
{
"∃",
"\u2203"
}, // there exists, U+2203 ISOtech
{
"∅",
"\u2205"
}, // empty set = null set = diameter, U+2205 ISOamso
{
"∇",
"\u2207"
}, // nabla = backward difference, U+2207 ISOtech
{
"∈",
"\u2208"
}, // element of, U+2208 ISOtech
{
"∉",
"\u2209"
}, // not an element of, U+2209 ISOtech
{
"∋",
"\u220b"
}, // contains as member, U+220B ISOtech
{
"∏",
"\u220f"
}, // n-ary product = product sign, U+220F ISOamsb
{
"∑",
"\u2211"
}, // n-ary sumation, U+2211 ISOamsb
{
"−",
"\u2212"
}, // minus sign, U+2212 ISOtech
{
"∗",
"\u2217"
}, // asterisk operator, U+2217 ISOtech
{
"√",
"\u221a"
}, // square root = radical sign, U+221A ISOtech
{
"∝",
"\u221d"
}, // proportional to, U+221D ISOtech
{
"∞",
"\u221e"
}, // infinity, U+221E ISOtech
{
"∠",
"\u2220"
}, // angle, U+2220 ISOamso
{
"∧",
"\u2227"
}, // logical and = wedge, U+2227 ISOtech
{
"∨",
"\u2228"
}, // logical or = vee, U+2228 ISOtech
{
"∩",
"\u2229"
}, // intersection = cap, U+2229 ISOtech
{
"∪",
"\u222a"
}, // union = cup, U+222A ISOtech
{
"∫",
"\u222b"
}, // integral, U+222B ISOtech
{
"∴",
"\u2234"
}, // therefore, U+2234 ISOtech
{
"∼",
"\u223c"
}, // tilde operator = varies with = similar to, U+223C ISOtech
{
"≅",
"\u2245"
}, // approximately equal to, U+2245 ISOtech
{
"≈",
"\u2248"
}, // almost equal to = asymptotic to, U+2248 ISOamsr
{
"≠",
"\u2260"
}, // not equal to, U+2260 ISOtech
{
"≡",
"\u2261"
}, // identical to, U+2261 ISOtech
{
"≤",
"\u2264"
}, // less-than or equal to, U+2264 ISOtech
{
"≥",
"\u2265"
}, // greater-than or equal to, U+2265 ISOtech
{
"⊂",
"\u2282"
}, // subset of, U+2282 ISOtech
{
"⊃",
"\u2283"
}, // superset of, U+2283 ISOtech
{
"⊄",
"\u2284"
}, // not a subset of, U+2284 ISOamsn
{
"⊆",
"\u2286"
}, // subset of or equal to, U+2286 ISOtech
{
"⊇",
"\u2287"
}, // superset of or equal to, U+2287 ISOtech
{
"⊕",
"\u2295"
}, // circled plus = direct sum, U+2295 ISOamsb
{
"⊗",
"\u2297"
}, // circled times = vector product, U+2297 ISOamsb
{
"⊥",
"\u22a5"
}, // up tack = orthogonal to = perpendicular, U+22A5 ISOtech
{
"⋅",
"\u22c5"
}, // dot operator, U+22C5 ISOamsb
// Miscellaneous Technical
{
"⌈",
"\u2308"
}, // left ceiling = apl upstile, U+2308 ISOamsc
{
"⌉",
"\u2309"
}, // right ceiling, U+2309 ISOamsc
{
"⌊",
"\u230a"
}, // left floor = apl downstile, U+230A ISOamsc
{
"⌋",
"\u230b"
}, // right floor, U+230B ISOamsc
{
"⟨",
"\u2329"
}, // left-pointing angle bracket = bra, U+2329 ISOtech
{
"⟩",
"\u232a"
}, // right-pointing angle bracket = ket, U+232A ISOtech
{
"◊",
"\u25ca"
}, // lozenge, U+25CA ISOpub
// Miscellaneous Symbols
{
"♠",
"\u2660"
}, // black spade suit, U+2660 ISOpub
{
"♣",
"\u2663"
}, // black club suit = shamrock, U+2663 ISOpub
{
"♥",
"\u2665"
}, // black heart suit = valentine, U+2665 ISOpub
{
"♦",
"\u2666"
}, // black diamond suit, U+2666 ISOpub
// Special characters for HTML
// Character entity set. Typical invocation:
// <!ENTITY % HTMLspecial PUBLIC
// "-//W3C//ENTITIES Special//EN//HTML">
// %HTMLspecial;
// Portions (c) International Organization for Standardization 1986
// Permission to copy in any form is granted for use with
// conforming SGML systems and applications as defined in
// ISO 8879, provided this notice is included in all copies.
// Relevant ISO entity set is given unless names are newly introduced.
// New names (i.e., not in ISO 8879 list) do not clash with any
// existing ISO 8879 entity names. ISO 10646 character numbers
// are given for each character, in hex. CDATA values are decimal
// conversions of the ISO 10646 values and refer to the document
// character set. Names are ISO 10646 names.
// C0 Controls and Basic Latin
{
""",
"\""
}, // quotation mark = APL quote, U+0022 ISOnum
{
"&",
"\u0026"
}, // ampersand, U+0026 ISOnum
{
"<",
"\u003c"
}, // less-than sign, U+003C ISOnum
{
">",
"\u003e"
}, // greater-than sign, U+003E ISOnum
// Latin Extended-A
{
"Œ",
"\u0152"
}, // latin capital ligature OE, U+0152 ISOlat2
{
"œ",
"\u0153"
}, // latin small ligature oe, U+0153 ISOlat2
{
"Š",
"\u0160"
}, // latin capital letter S with caron, U+0160 ISOlat2
{
"š",
"\u0161"
}, // latin small letter s with caron, U+0161 ISOlat2
{
"Ÿ",
"\u0178"
}, // latin capital letter Y with diaeresis, U+0178 ISOlat2
// Spacing Modifier Letters
{
"ˆ",
"\u02c6"
}, // modifier letter circumflex accent, U+02C6 ISOpub
{
"˜",
"\u02dc"
}, // small tilde, U+02DC ISOdia
// General Punctuation
{
" ",
"\u2002"
}, // en space, U+2002 ISOpub
{
" ",
"\u2003"
}, // em space, U+2003 ISOpub
{
" ",
"\u2009"
}, // thin space, U+2009 ISOpub
{
"",
"\u200c"
}, // zero width non-joiner, U+200C NEW RFC 2070
{
"",
"\u200d"
}, // zero width joiner, U+200D NEW RFC 2070
{
"",
"\u200e"
}, // left-to-right mark, U+200E NEW RFC 2070
{
"",
"\u200f"
}, // right-to-left mark, U+200F NEW RFC 2070
{
"–",
"\u2013"
}, // en dash, U+2013 ISOpub
{
"—",
"\u2014"
}, // em dash, U+2014 ISOpub
{
"‘",
"\u2018"
}, // left single quotation mark, U+2018 ISOnum
{
"’",
"\u2019"
}, // right single quotation mark, U+2019 ISOnum
{
"‚",
"\u201a"
}, // single low-9 quotation mark, U+201A NEW
{
"“",
"\u201c"
}, // left float quotation mark, U+201C ISOnum
{
"”",
"\u201d"
}, // right float quotation mark, U+201D ISOnum
{
"„",
"\u201e"
}, // float low-9 quotation mark, U+201E NEW
{
"†",
"\u2020"
}, // dagger, U+2020 ISOpub
{
"‡",
"\u2021"
}, // float dagger, U+2021 ISOpub
{
"‰",
"\u2030"
}, // per mille sign, U+2030 ISOtech
{
"‹",
"\u2039"
}, // single left-pointing angle quotation mark, U+2039 ISO proposed
{
"›",
"\u203a"
}, // single right-pointing angle quotation mark, U+203A ISO proposed
{
"€",
"\u20ac"
}
// euro sign, U+20AC NEW
};
private static final Map<Character, String> entities = new HashMap<Character, String>();
private static final Map<String, Character> unicodes = new HashMap<String, Character>();
static
{
for ( int i = 0; i < CharacterEntities.UNICODE_TABLE.length; ++i )
{
String entity = CharacterEntities.UNICODE_TABLE[ i ][ 0 ];
Character unicode = new Character( CharacterEntities.UNICODE_TABLE[ i ][ 1 ].charAt( 0 ) );
CharacterEntities.entities.put( unicode, entity );
CharacterEntities.unicodes.put( entity, unicode );
}
}
public static final String escape( final String unicodeVersion )
{
// Iterate over all the characters in the string looking for unicode
StringBuffer entityVersion = null;
char ch;
int start = 0;
int length = unicodeVersion.length();
for ( int i = 0; i < length; ++i )
{
ch = unicodeVersion.charAt( i );
if ( ( ch >= 'A' && ch <= 'Z' ) || ( ch >= 'a' && ch <= 'z' ) || Character.isWhitespace( ch ) || Character.isDigit( ch ) )
{
continue;
}
String entity = (String) CharacterEntities.entities.get( new Character( ch ) );
// If we don't have a translation, use Unicode escape
if ( entity == null )
{
if ( ch < 0x80 )
{
continue;
}
entity = "&#" + (int) ch + ";";
}
// If we don't have a string buffer, make one
if ( entityVersion == null )
{
entityVersion = new StringBuffer();
}
// Append prefix
if ( i > start )
{
entityVersion.append( unicodeVersion.substring( start, i ) );
}
// Insert entity
entityVersion.append( entity );
// Start new prefix
start = i + 1;
}
// If we didn't find anything, return original string
if ( start == 0 )
{
return unicodeVersion;
}
// Append suffix
if ( start < length )
{
entityVersion.append( unicodeVersion.substring( start ) );
}
return entityVersion.toString();
}
public static final String unescape( final String entityVersion )
{
int index = entityVersion.indexOf( "&" );
// If there are no character entities, return original string
if ( index < 0 )
{
return entityVersion;
}
// Otherwise, make a StringBuffer to create unicode version of input
StringBuffer unicodeVersion = null;
int start = 0;
// Replace all entities
while ( index >= 0 )
{
// Find the end of the character entity
int semi = entityVersion.indexOf( ";", index + 1 );
// If no semicolon, bogus, but quit now
if ( semi < 0 )
{
index = entityVersion.indexOf( " ", index + 1 );
continue;
}
// Replace entity with unicode
String entity = entityVersion.substring( index, semi + 1 );
Character unicode;
if ( entity.charAt( 1 ) == '#' )
{
unicode = new Character( (char) StringUtilities.parseInt( entity.substring( 2, entity.length() - 1 ) ) );
}
else
{
unicode = (Character) CharacterEntities.unicodes.get( entity );
}
// If we don't have a translation, skip past entity
if ( unicode == null )
{
index = entityVersion.indexOf( "&", index + 1 );
continue;
}
// If we don't have a string buffer, make one
if ( unicodeVersion == null )
{
unicodeVersion = new StringBuffer();
}
// Copy in prefix
if ( index > start )
{
unicodeVersion.append( entityVersion.substring( start, index ) );
}
// Insert unicode
unicodeVersion.append( unicode.charValue() );
// Skip past entity
start = semi + 1;
index = entityVersion.indexOf( "&", start );
}
// If we never translated an entity, return the original string
if ( start == 0 )
{
return entityVersion;
}
// Append suffix
if ( start < entityVersion.length() )
{
unicodeVersion.append( entityVersion.substring( start ) );
}
// Return the new string
return unicodeVersion.toString();
}
}