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lunicode.js
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module.exports = new Lunicode();
function Lunicode() {
this.tools = {
// Flip/rotate Text by 180°
flip: {
init: function() {
// invert the map
for (i in this.map) {
this.map[this.map[i]] = i;
}
},
encode: function(text) {
var ret = [],
ch;
for (var i = 0, len = text.length; i < len; i++) {
ch = text.charAt(i);
// combining diacritical marks: combine with previous character for ä,ö,ü,...
if (i > 0 && (ch == '\u0324' ||
ch == '\u0317' ||
ch == '\u0316' ||
ch == '\u032e')) {
ch = this.map[text.charAt(i-1) + ch];
ret.pop();
} else {
ch = this.map[ch];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
}
ret.push(ch);
}
return ret.reverse().join("");
},
// same as encode(), for now...
decode: function(text) {
var ret = [],
ch;
for (var i = 0, len = text.length; i < len; i++) {
ch = text.charAt(i);
// combining diacritical marks: combine with previous character for ä,ö,ü,...
if (i > 0 && (ch == '\u0324' ||
ch == '\u0317' ||
ch == '\u0316' ||
ch == '\u032e')) {
ch = this.map[text.charAt(i-1) + ch];
ret.pop();
} else {
ch = this.map[ch];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
}
ret.push(ch);
}
return ret.reverse().join("");
},
map: {
// Thanks to
// - David Faden: http://www.revfad.com/flip.html
// - http://en.wikipedia.org/wiki/Transformation_of_text
'a' : '\u0250',
'b' : 'q',
'c' : '\u0254',
'd' : 'p',
'e' : '\u01DD',
'f' : '\u025F',
'g' : '\u0253',
'h' : '\u0265',
'i' : '\u0131',
'j' : '\u027E',
'k' : '\u029E',
'l' : '\u006C',
'm' : '\u026F',
'n' : 'u',
'r' : '\u0279',
't' : '\u0287',
'v' : '\u028C',
'w' : '\u028D',
'y' : '\u028E',
'A' : '\u2200',
'B' : 'ᙠ',
'C' : '\u0186',
'D' : 'ᗡ',
'E' : '\u018e',
'F' : '\u2132',
'G' : '\u2141',
'J' : '\u017f',
'K' : '\u22CA',
'L' : '\u02e5',
'M' : 'W',
'P' : '\u0500',
'Q' : '\u038C',
'R' : '\u1D1A',
'T' : '\u22a5',
'U' : '\u2229',
'V' : '\u039B',
'Y' : '\u2144',
'1' : '\u21c2',
'2' : '\u1105',
'3' : '\u0190',
'4' : '\u3123',
'5' : '\u078e',
'6' : '9',
'7' : '\u3125',
'&' : '\u214b',
'.' : '\u02D9',
'"' : '\u201e',
';' : '\u061b',
'[' : ']',
'(' : ')',
'{' : '}',
'?' : '\u00BF',
'!' : '\u00A1',
"\'" : ',',
'<' : '>',
'\u203E' : '_',
'\u00AF' : '_',
'\u203F' : '\u2040',
'\u2045' : '\u2046',
'\u2234' : '\u2235',
'\r' : '\n',
'ß' : 'ᙠ',
'\u0308': '\u0324',
'ä' : 'ɐ'+'\u0324',
'ö' : 'o'+'\u0324',
'ü' : 'n'+'\u0324',
'Ä' : '\u2200'+'\u0324',
'Ö' : 'O'+'\u0324',
'Ü' : '\u2229'+'\u0324',
'´' : ' \u0317',
'é' : '\u01DD' + '\u0317',
'á' : '\u0250' + '\u0317',
'ó' : 'o' + '\u0317',
'ú' : 'n' + '\u0317',
'É' : '\u018e' + '\u0317',
'Á' : '\u2200' + '\u0317',
'Ó' : 'O' + '\u0317',
'Ú' : '\u2229' + '\u0317',
'`' : ' \u0316',
'è' : '\u01DD' + '\u0316',
'à' : '\u0250' + '\u0316',
'ò' : 'o' + '\u0316',
'ù' : 'n' + '\u0316',
'È' : '\u018e' + '\u0316',
'À' : '\u2200' + '\u0316',
'Ò' : 'O' + '\u0316',
'Ù' : '\u2229' + '\u0316',
'^' : ' \u032E',
'ê' : '\u01DD' + '\u032e',
'â' : '\u0250' + '\u032e',
'ô' : 'o' + '\u032e',
'û' : 'n' + '\u032e',
'Ê' : '\u018e' + '\u032e',
'Â' : '\u2200' + '\u032e',
'Ô' : 'O' + '\u032e',
'Û' : '\u2229' + '\u032e'
// TODO: flip more letters with stuff around them. See http://en.wikipedia.org/wiki/Combining_character
}
},
// Mirror text (flip horizontally)
mirror: {
init: function() {
// invert the map
for (i in this.map) {
this.map[this.map[i]] = i;
}
},
encode: function(text) {
var ret = [],
ch,
newLines = [];
for (var i = 0, len = text.length; i < len; i++) {
ch = text.charAt(i);
// combining diacritical marks: combine with previous character for ä,ö,ü,...
if (i > 0 && (ch == '\u0308' ||
ch == '\u0300' ||
ch == '\u0301' ||
ch == '\u0302')) {
ch = this.map[text.charAt(i-1) + ch];
ret.pop();
} else {
ch = this.map[ch];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
}
if (ch == '\n') {
newLines.push(ret.reverse().join(""));
ret = [];
} else {
ret.push(ch);
}
}
newLines.push(ret.reverse().join(""));
return newLines.join("\n");
},
decode: function(text) {
var ret = [],
ch,
newLines = [];
for (var i = 0, len = text.length; i < len; i++) {
ch = text.charAt(i);
// combining diacritical marks: combine with previous character for ä,ö,ü,...
if (i > 0 && (ch == '\u0308' ||
ch == '\u0300' ||
ch == '\u0301' ||
ch == '\u0302')) {
ch = this.map[text.charAt(i-1) + ch];
ret.pop();
} else {
ch = this.map[ch];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
}
if (ch == '\n') {
newLines.push(ret.reverse().join(""));
ret = [];
} else {
ret.push(ch);
}
}
newLines.push(ret.reverse().join(""));
return newLines.join("\n");
},
// Thanks to http://www.macchiato.com/unicode/mirrored-ascii
map: {
'a' : 'ɒ',
'b' : 'd',
'c' : 'ɔ',
'e' : 'ɘ',
'f' : 'Ꮈ',
'g' : 'ǫ',
'h' : 'ʜ',
'j' : 'ꞁ',
'k' : 'ʞ',
'l' : '|',
'n' : 'ᴎ',
'p' : 'q',
'r' : 'ɿ',
's' : 'ꙅ',
't' : 'ƚ',
'y' : 'ʏ',
'z' : 'ƹ',
'B' : 'ᙠ',
'C' : 'Ɔ',
'D' : 'ᗡ',
'E' : 'Ǝ',
'F' : 'ꟻ',
'G' : 'Ꭾ',
'J' : 'Ⴑ',
'K' : '⋊',
'L' : '⅃',
'N' : 'Ͷ',
'P' : 'ꟼ',
'Q' : 'Ọ',
'R' : 'Я',
'S' : 'Ꙅ',
'Z' : 'Ƹ',
'1' : '',
'2' : '',
'3' : '',
'4' : '',
'5' : '',
'6' : '',
'7' : '',
'&' : '',
';' : '',
'[' : ']',
'(' : ')',
'{' : '}',
'?' : '⸮',
'<' : '>',
'ä' : 'ɒ'+'\u0308',
'ß' : 'ᙠ',
'´' : '`',
'é' : 'ɘ' + '\u0300',
'á' : 'ɒ' + '\u0300',
'ó' : 'ò',
'ú' : 'ù',
'É' : 'Ǝ' + '\u0300',
'Á' : 'À',
'Ó' : 'Ò',
'Ú' : 'Ù',
'`' : '´',
'è' : 'ɘ' + '\u0301',
'à' : 'ɒ' + '\u0301',
'È' : 'Ǝ' + '\u0301',
'ê' : 'ɘ' + '\u0302',
'â' : 'ɒ' + '\u0302',
'Ê' : 'Ǝ' + '\u0302',
'Ø' : 'ᴓ',
'ø' : 'ᴓ'
}
},
// Thanks to Michael S. Kaplan: http://blogs.msdn.com/b/michkap/archive/2006/02/17/533929.aspx
// Creepify.
creepify: {
init: function() {
// Sort diacritics in top, bottom or middle
for (var i = 768; i <= 789; i++) {
this.diacriticsTop.push(String.fromCharCode(i));
}
for (var i = 790; i <= 819; i++) {
if (i != 794 && i != 795) {
this.diacriticsBottom.push(String.fromCharCode(i));
}
}
this.diacriticsTop.push(String.fromCharCode(794));
this.diacriticsTop.push(String.fromCharCode(795));
for (var i = 820; i <= 824; i++) {
this.diacriticsMiddle.push(String.fromCharCode(i));
}
for (var i = 825; i <= 828; i++) {
this.diacriticsBottom.push(String.fromCharCode(i));
}
for (var i = 829; i <= 836; i++) {
this.diacriticsTop.push(String.fromCharCode(i));
}
this.diacriticsTop.push(String.fromCharCode(836));
this.diacriticsBottom.push(String.fromCharCode(837));
this.diacriticsTop.push(String.fromCharCode(838));
this.diacriticsBottom.push(String.fromCharCode(839));
this.diacriticsBottom.push(String.fromCharCode(840));
this.diacriticsBottom.push(String.fromCharCode(841));
this.diacriticsTop.push(String.fromCharCode(842));
this.diacriticsTop.push(String.fromCharCode(843));
this.diacriticsTop.push(String.fromCharCode(844));
this.diacriticsBottom.push(String.fromCharCode(845));
this.diacriticsBottom.push(String.fromCharCode(846));
// 847 (U+034F) is invisible http://en.wikipedia.org/wiki/Combining_grapheme_joiner
this.diacriticsTop.push(String.fromCharCode(848));
this.diacriticsTop.push(String.fromCharCode(849));
this.diacriticsTop.push(String.fromCharCode(850));
this.diacriticsBottom.push(String.fromCharCode(851));
this.diacriticsBottom.push(String.fromCharCode(852));
this.diacriticsBottom.push(String.fromCharCode(853));
this.diacriticsBottom.push(String.fromCharCode(854));
this.diacriticsTop.push(String.fromCharCode(855));
this.diacriticsTop.push(String.fromCharCode(856));
this.diacriticsBottom.push(String.fromCharCode(857));
this.diacriticsBottom.push(String.fromCharCode(858));
this.diacriticsTop.push(String.fromCharCode(859));
this.diacriticsBottom.push(String.fromCharCode(860));
this.diacriticsTop.push(String.fromCharCode(861));
this.diacriticsTop.push(String.fromCharCode(861));
this.diacriticsBottom.push(String.fromCharCode(863));
this.diacriticsTop.push(String.fromCharCode(864));
this.diacriticsTop.push(String.fromCharCode(865));
},
encode: function(text) {
var newText = '',
newChar;
for (i in text) {
newChar = text[i];
// Middle
// Put just one of the middle characters there, or it gets crowded
if (this.options.middle) {
newChar += this.diacriticsMiddle[Math.floor(Math.random()*this.diacriticsMiddle.length)]
}
// Top
if (this.options.top) {
// Put up to this.options.maxHeight random diacritics on top.
// optionally fluctuate the number via the randomization value (0-100%)
// randomization 100%: 0 to maxHeight
// 30%: 70% of maxHeight to maxHeight
// x%: 100-x% of maxHeight to maxHeight
var diacriticsTopLength = this.diacriticsTop.length - 1;
for (var count = 0,
len = this.options.maxHeight - Math.random()*((this.options.randomization/100)*this.options.maxHeight); count < len; count++) {
newChar += this.diacriticsTop[Math.floor(Math.random()*diacriticsTopLength)]
}
}
// Bottom
if (this.options.bottom) {
var diacriticsBottomLength = this.diacriticsBottom.length - 1;
for (var count = 0,
len = this.options.maxHeight - Math.random()*((this.options.randomization/100)*this.options.maxHeight); count < len; count++) {
newChar += this.diacriticsBottom[Math.floor(Math.random()*diacriticsBottomLength)]
}
}
newText += newChar;
}
return newText;
},
decode: function(text) {
var newText = '',
charCode;
for (i in text) {
charCode = text[i].charCodeAt(0);
if (charCode < 768 || charCode > 865) {
newText += text[i];
}
}
return newText;
},
diacriticsTop: [],
diacriticsMiddle: [],
diacriticsBottom: [],
options: {
top: true,
middle: true,
bottom : true,
maxHeight: 15, // How many diacritic marks shall we put on top/bottom?
randomization: 100 // 0-100%. maxHeight 100 and randomization 20%: the height goes from 80 to 100. randomization 70%, height goes from 30 to 100.
}
},
// Circles around Letters. Uses special circle characters for some letters and combining characters for the rest
// Thanks to
// - Alan Wood: http://www.alanwood.net/unicode/enclosed_alphanumerics.html
bubbles: {
init: function() {
// Numbers
for (var i = 49; i <= 57; i++) {
this.map[String.fromCharCode(i)] = String.fromCharCode(i+9263);
}
this.map['0'] = '\u24ea';
// Capital letters
for (var i = 65; i <= 90; i++) {
this.map[String.fromCharCode(i)] = String.fromCharCode(i+9333);
}
// Lower letters
for (var i = 97; i <= 122; i++) {
this.map[String.fromCharCode(i)] = String.fromCharCode(i+9327);
}
// invert the map
for (i in this.map) {
this.mapInverse[this.map[i]] = i;
}
},
encode: function(text) {
var ret = "",
ch,
first = true;
for (i in text) {
ch = this.map[text[i]];
// No dedicated circled character available? Use a Combining Diacritical Mark surrounded
// with non-breaking spaces, so it doesn't overlap
if ((typeof(ch) == "undefined")) {
if (text[i].charCodeAt(0) >= 33) {
ch = text[i] + String.fromCharCode(8413);
if (!first) {
ch = String.fromCharCode(8239) + String.fromCharCode(160) + String.fromCharCode(160) + String.fromCharCode(8239) + ch;
}
} else {
ch = text[i];
}
}
ret += ch;
first = (ch == '\n');
}
return ret;
},
decode: function(text) {
var ret = "",
ch,
newRet = '';
for (i in text) {
ch = this.mapInverse[text[i]];
ret += ((typeof(ch) == "undefined") ? text[i] : ch);
}
for (i in ret) {
ch = ret[i].charCodeAt(0);
if (ch != 160 && ch != 8239 && ch != 8413) {
newRet += ret[i];
}
}
return newRet;
},
map: {},
mapInverse: {}
},
// Puts a Square Combining Character after a letter, thus ensquaring it, squarily.
squares: {
init: function() {},
encode: function(text) {
var ret = "",
ch,
first = true;
for (i in text) {
if (text[i].charCodeAt(0) >= 33) {
ch = text[i] + String.fromCharCode(8414);
if (!first) {
ch = String.fromCharCode(8239) + String.fromCharCode(160) + String.fromCharCode(160) + String.fromCharCode(8239) + ch;
}
} else {
ch = text[i];
}
ret += ch;
first = (ch == '\n');
}
return ret;
},
decode: function(text) {
var ret = "",
ch;
for (i in text) {
ch = text[i].charCodeAt(0);
if (ch != 160 && ch != 8239 && ch != 8414) {
ret += text[i];
}
}
return ret;
}
},
// Same as squares, just round.
roundsquares: {
init: function() {},
encode: function(text) {
var ret = "",
ch,
first = true;
for (i in text) {
if (text[i].charCodeAt(0) >= 33) {
ch = text[i] + String.fromCharCode(8419);
if (!first) {
ch = String.fromCharCode(160) + String.fromCharCode(160) + String.fromCharCode(160) + ch;
}
} else {
ch = text[i];
}
ret += ch;
first = (ch == '\n');
}
return ret;
},
decode: function(text) {
var ret = "",
ch;
for (i in text) {
ch = text[i].charCodeAt(0);
if (ch != 160 && ch != 8239 && ch != 8419) {
ret += text[i];
}
}
return ret;
}
},
// Weird looking alternatives to most characters
bent: {
init: function() {
// invert the map
for (i in this.map) {
this.map[this.map[i]] = i;
}
},
encode: function(text) {
var ret = '',
ch;
for (var i = 0, len = text.length; i < len; i++) {
ch = this.map[text.charAt(i)];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
ret += ch;
}
return ret;
},
decode: function(text) {
var ret = '',
ch;
for (var i = 0, len = text.length; i < len; i++) {
ch = this.map[text.charAt(i)];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
ret += ch;
}
return ret;
},
// Thanks to Eddie Ringle for most lowercase letters: http://funicode.com
map: {
'a' : 'ą',
'b' : 'ҍ',
'c' : 'ç',
'd' : 'ժ',
'e' : 'ҽ',
'f' : 'ƒ',
'g' : 'ց',
'h' : 'հ',
'i' : 'ì',
'j' : 'ʝ',
'k' : 'ҟ',
'l' : 'Ӏ',
'm' : 'ʍ',
'n' : 'ղ',
'o' : 'օ',
'p' : 'ք',
'q' : 'զ',
'r' : 'ɾ',
's' : 'ʂ',
't' : 'է',
'u' : 'մ',
'v' : 'ѵ',
'w' : 'ա',
'x' : '×',
'y' : 'վ',
'z' : 'Հ',
'A' : 'Ⱥ',
'B' : 'β',
'C' : '↻',
'D' : 'Ꭰ',
'E' : 'Ɛ',
'F' : 'Ƒ',
'G' : 'Ɠ',
'H' : 'Ƕ',
'I' : 'į',
'J' : 'ل',
'K' : 'Ҡ',
'L' : 'Ꝉ',
'M' : 'Ɱ',
'N' : 'ហ',
'O' : 'ට',
'P' : 'φ',
'Q' : 'Ҩ',
'R' : 'འ',
'S' : 'Ϛ',
'T' : 'Ͳ',
'U' : 'Ա',
'V' : 'Ỽ',
'W' : 'చ',
'X' : 'ჯ',
'Y' : 'Ӌ',
'Z' : 'ɀ',
'0' : '⊘',
'1' : '������',
'2' : 'ϩ',
'3' : 'Ӡ',
'4' : '५',
'5' : 'Ƽ',
'6' : 'Ϭ',
'7' : '7',
'8' : '������',
'9' : '९',
'&' : '⅋',
'(' : '{',
')' : '}',
'{' : '(',
'}' : ')',
'ä' : 'ą'+'\u0308',
'ö' : 'օ'+'\u0308',
'ü' : 'մ'+'\u0308',
'Ä' : 'Ⱥ' + '\u0308',
'Ö' : 'ට'+'\u0308',
'Ü' : 'Ա'+'\u0308',
'é' : 'ҽ' + '\u0301',
'á' : 'ą' + '\u0301',
'ó' : 'օ' + '\u0301',
'ú' : 'մ' + '\u0301',
'É' : 'Ɛ' + '\u0301',
'Á' : 'Ⱥ' + '\u0301',
'Ó' : 'ට' + '\u0301',
'Ú' : 'Ա' + '\u0301',
'è' : 'ҽ' + '\u0300',
'à' : 'ą' + '\u0300',
'ò' : 'օ' + '\u0300',
'ù' : 'մ' + '\u0300',
'È' : 'Ɛ' + '\u0300',
'À' : 'Ⱥ' + '\u0300',
'Ò' : 'ට' + '\u0300',
'Ù' : 'Ա' + '\u0300',
'ê' : 'ҽ' + '\u0302',
'â' : 'ą' + '\u0302',
'ô' : 'օ' + '\u0302',
'û' : 'մ' + '\u0302',
'Ê' : 'Ɛ' + '\u0302',
'Â' : 'Ⱥ' + '\u0302',
'Ô' : 'ට' + '\u0302',
'Û' : 'Ա' + '\u0302'
}
},
// Tiny Capitals
tiny: {
init: function() {
// invert the map
for (i in this.map) {
this.map[this.map[i]] = i;
}
},
encode: function(text) {
var ret = '',
ch;
text = text.toUpperCase();
for (var i = 0, len = text.length; i < len; i++) {
ch = this.map[text.charAt(i)];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
ret += ch;
}
return ret;
},
decode: function(text) {
var ret = '',
ch;
for (var i = 0, len = text.length; i < len; i++) {
ch = this.map[text.charAt(i)];
if (typeof(ch) == "undefined") {
ch = text.charAt(i);
}
ret += ch;
}
return ret;
},
// TODO: Find small lower case letters
map: {
'A' : 'ᴀ',
'B' : 'ʙ',
'C' : 'ᴄ',
'D' : 'ᴅ',
'E' : 'ᴇ',
'F' : 'ꜰ',
'G' : 'ɢ',
'H' : 'ʜ',
'I' : 'ɪ',
'J' : 'ᴊ',
'K' : 'ᴋ',
'L' : 'ʟ',
'M' : 'ᴍ',
'N' : 'ɴ',
'O' : 'ᴏ',
'P' : 'ᴘ',
'Q' : 'Q',
'R' : 'ʀ',
'S' : 'ꜱ',
'T' : 'ᴛ',
'U' : 'ᴜ',
'V' : 'ᴠ',
'W' : 'ᴡ',
'X' : 'x',
'Y' : 'ʏ',
'Z' : 'ᴢ'
}
}
};
////// functions
// init
for (i in this.tools) {
this.tools[i].init();
}
// Encode every character: U+00A0 ->   etc.
this.getHTML = function(text) {
var html = '',
ch,
lastSpaceWasNonBreaking = true, // for alternating [non-braking] spaces
highSurrogate = 0,
codepoint = 0;
for (var i = 0, len = text.length; i < len; i++) {
ch = text.charCodeAt(i);
// line break: add <br>\n
if (ch == 10 || ch == 13) {
html += '<br>\n';
lastSpaceWasNonBreaking = true;
// space: add alternating space and non-breaking space (U+00A0). Otherwise
// a series of normal spaces would collapse to one in the browser
} else if (ch == 32) {
if (lastSpaceWasNonBreaking) {
html += ' ';
lastSpaceWasNonBreaking = false;
} else {
html += ' ';
lastSpaceWasNonBreaking = true;
}
// Normal character: Decode. Special cases for higher numbers:
// http://en.wikipedia.org/wiki/Mapping_of_Unicode_characters#Surrogates
} else {
// Character is high surrogate: Remember and continue
if (ch >= 0xD800 && ch <= 0xDBFF) {
highSurrogate = ch;
codepoint = 0;
// last character was high surrogate: Combine with low surrogate
} else if (highSurrogate > 0) {
// If char is low surrogate:
if (ch >= 0xDC00 && ch <= 0xDFFF) {
codepoint = (highSurrogate-0xD800)*1024 + (ch-0xDC00) + 0x10000;
}
highSurrogate = 0;
// no surrogates: Just take the character
} else {
codepoint = ch;
}
if (codepoint != 0) {
html += '&#x' + codepoint.toString(16) + ';';
lastSpaceWasNonBreaking = true;
}
}
}
return html;
}
}