converter.js

/*
 * Includes functions to convert greeklish to greek and vice versa.
 * */

//english acronyms that cannot be converted to greek without loosing the meaning
var englishAcronymArray = new Array("fb", "facebook", "twitter", "btw", "cu",
		"lol", "rofl", "wtf", "love u", "me 2", "ok", "OMFG", "OMG", "PLZ",
		"CYA", "LMAO", "LMFAO", "ROFLMAO", "BTW", "THX", "sms", "gay", "chat",
		"tweet", "twit", "twits", "pinterest", "FAIL", "linkedin", "epic",
		"tweets", "google", "like", "share", "face", "greeklish", "copy",
		"paste", "yahoo", "ebay", "amazon", "myspace", "youtube", "web",
		"http", "https", "cd", "dvd", "video", "mp3", "bf", "gf");

// greeklish words and shortcuts to greek
var greeklishWordsTogreekArray = {
	"\\bre\\ c\\b" : "ρε συ",
	"\\btpt\\b" : "τίποτα",
	"\\bdn\\b" : "δεν",
	"\\bd\\b" : "δεν",
	"\\bm\\b" : "μου/με",
	"\\bs\\b" : "σου/σε",
	"\\bn\\b" : "να",
	"\\btr\\b" : "τώρα",
	"\\bsmr\\b" : "σήμερα",
	"\\bklmr\\b" : "καλημέρα",
	"\\bklnx\\b" : "καληνύχτα",
	"\\bklnxt\\b" : "καληνύχτα",
	"\\btlm\\b" : "τα λέμε",
	"\\bsks\\b" : "σκάσε",
	"\\bkn1\\b" : "κανένα",
	"\\bdld\\b" : "δηλαδή",
	"\\bvrm\\b" : "βαριέμαι",
	"\\bmlk\\b" : "μαλάκα",
	"\\bmlks\\b" : "μαλάκας/μαλακία",
	"\\bmlkies\\b" : "μαλακίες",
	"\\b(mnm|mna|mn)\\b" : "μήνυμα",
	"\\bgt\\b" : "γιατί",
	"\\btespa\\b" : "τέλος πάντων",
	"\\btes\\ pa\\b" : "τέλος πάντων",
	"\\b(til|thl)\\b" : "τηλέφωνο",
	"\\btn\\b" : "τον/την",
	"\\+fono\\b" : "συμφωνώ",
	"\\bk\\b" : "και",
	"\\bi\\b" : "η",
	"\\bg\\b" : "για",
	"\\bt\\b" : "το/τα/τη/τι",
	"\\bth\\b" : "θα",
	"\\bine\\b" : "είναι",
	"\\bime\\b" : "είμαι",
	"\\bakm\\b" : "ακόμα",
	"\\banap\\b" : "αναπάντητη",
	"\\betc\\b" : "έτσι",
	"\\bflk\\b" : "φιλάκια",
	"\\bgmt\\b" : "γαμώτο",
	"\\bgt\\b" : "γιατί",
	"\\bkl\\b" : "καλά",
	"\\bknt\\b" : "κινητό",
	"\\bkt\\b" : "κάτι",
	"\\blps\\b" : "λείπεις",
	"\\bmt\\b" : "μετά",
	"\\bn\\b" : "να",
	"\\bnmz\\b" : "νομίζω",
	"\\botn\\b" : "όταν",
	"\\bp\\b" : "που",
	"\\bpx\\b" : "π.χ.",
	"\\br\\b" : "ρε",
	"\\bsk\\b" : "Σ/Κ",
	"\\bspt\\b" : "σπίτι",
	"\\bsxl\\b" : "σχολή/σχολείο",
	"\\bt\\b" : "το/τα",
	"\\bts\\b" : "της/τις",
	"\\bkns\\b" : "κάνεις",
	"\\blm\\b" : "λέμε",
	"\\btpt\\b" : "τίποτα",
	"\\bbsk\\b" : "βασικά",
	"\\bfcka\\b" : "φυσικά",
	"\\bgnt\\b" : "γίνετε",
	"\\bitn\\b" : "ήταν",
	"\\bkpn\\b" : "κάποιον",
	"\\bktlvs\\b" : "κατάλαβες",
	"\\blpn \\b" : "λοιπόν",
	"\\bmn\\b" : "μην",
	"\\bplk\\b" : "πλάκα",
	"\\bprp\\b" : "πρέπει",
	"\\bpt\\b" : "πότε",
	"\\b8l\\b" : "θέλω",
	"\\btr\\b" : "τώρα",
	"\\bbb\\b" : "bye bye",
	"\\bplz \\b" : "παρακαλώ",
	"\\bpic\\b" : "εικόνα"
}

// greeklish words and characters to convert to greek
var greeklishCharactersToGreekArray = {
	"tha" : "θα",
	"the" : "θε",
	"thi" : "θι",
	"thh" : "θη",
	"tho" : "θο",
	"(thy|thu)" : "θυ",
	"(thw|thv)" : "θω",
	"tH" : "τΗ",
	"TH" : "ΤΗ",
	"Th" : "Τη",
	"th" : "τη",
	"(cH|ch)" : "χ",
	"(CH|Ch)" : "Χ",
	"(PS|Ps)" : "Ψ",
	"(ps|pS)" : "ψ",
	"(Ks|KS)" : "Ξ",
	"(ks|kS)" : "ξ",
	"(VR)" : "ΒΡ",
	"(vr|vR)" : "βρ",
	"(Vr)" : "Βρ",
	"8a" : "θα",
	"8e" : "θε",
	"8h" : "θη",
	"8i" : "θι",
	"8o" : "θο",
	"8y" : "θυ",
	"8u" : "θυ",
	"(8v|8w)" : "θω",
	"8A" : "ΘΑ",
	"8E" : "ΘΕ",
	"8H" : "ΘΗ",
	"8I" : "ΘΙ",
	"8O" : "ΘΟ",
	"(8Y|8U)" : "ΘΥ",
	"8V" : "ΘΩ",
	"8W" : "ΘΩ",
	"9a" : "θα",
	"9e" : "θε",
	"9h" : "θη",
	"9i" : "θι",
	"9o" : "θο",
	"9y" : "θυ",
	"9u" : "θυ",
	"(9v|9w)" : "θω",
	"9A" : "ΘΑ",
	"9E" : "ΘΕ",
	"9H" : "ΘΗ",
	"9I" : "ΘΙ",
	"9O" : "ΘΟ",
	"(9Y|9U)" : "ΘΥ",
	"9V" : "ΘΩ",
	"9W" : "ΘΩ",
	"s[\\n]" : "ς\n",
	"s[\\!]" : "ς!",
	"s[\\.]" : "ς.",
	"s[\\ ]" : "ς ",
	"s[\\,]" : "ς,",
	"s[\\\+]" : "ς+",
	"s[\\-]" : "ς-",
	"s[\\(]" : "ς(",
	"s[\\)]" : "ς)",
	"s[\\[]" : "ς[",
	"s[\\]]" : "ς]",
	"s[\\{]" : "ς{",
	"s[\\}]" : "ς}",
	"s[\\<]" : "ς<",
	"s[\\>]" : "ς>",
	"s[\\?]" : "ς?",
	"s[\\/]" : "ς/",
	"s[\\:]" : "ς:",
	"s[\\;]" : "ς;",
	"s[\\\"]" : "ς\"",
	"s[\\']" : "ς'",
	"s[\\f]" : "ς\f",
	"s[\\r]" : "ς\r",
	"s[\\t]" : "ς\t",
	"s[\\v]" : "ς\v",
	"rx" : "ρχ",
	"sx" : "σχ",
	"Sx" : "Σχ",
	"SX" : "ΣΧ",
	"ux" : "υχ",
	"Ux" : "Υχ",
	"UX" : "ΥΧ",
	"yx" : "υχ",
	"Yx" : "Υχ",
	"YX" : "ΥΧ",
	"3a" : "ξα",
	"3e" : "ξε",
	"3h" : "ξη",
	"3i" : "ξι",
	"3ο" : "ξο",
	"3u" : "ξυ",
	"3y" : "ξυ",
	"3v" : "ξω",
	"3w" : "ξω",
	"a3" : "αξ",
	"e3" : "εξ",
	"h3" : "ηξ",
	"i3" : "ιξ",
	"ο3" : "οξ",
	"u3" : "υξ",
	"y3" : "υξ",
	"v3" : "ωξ",
	"w3" : "ωξ",
	"3A" : "ξΑ",
	"3E" : "ξΕ",
	"3H" : "ξΗ",
	"3I" : "ξΙ",
	"3O" : "ξΟ",
	"3U" : "ξΥ",
	"3Y" : "ξΥ",
	"3V" : "ξΩ",
	"3W" : "ξΩ",
	"A3" : "Αξ",
	"E3" : "Εξ",
	"H3" : "Ηξ",
	"I3" : "Ιξ",
	"O3" : "Οξ",
	"U3" : "Υξ",
	"Y3" : "Υξ",
	"V3" : "Ωξ",
	"W3" : "Ωξ",
	"A" : "Α",
	"a" : "α",
	"B" : "Β",
	"b" : "β",
	"V" : "Β",
	"v" : "β",
	"c" : "ψ",
	"C" : "Ψ",
	"G" : "Γ",
	"g" : "γ",
	"D" : "Δ",
	"d" : "δ",
	"E" : "Ε",
	"e" : "ε",
	"Z" : "Ζ",
	"z" : "ζ",
	"H" : "Η",
	"h" : "η",
	"U" : "Θ",
	"u" : "υ",
	"I" : "Ι",
	"i" : "ι",
	"j" : "ξ",
	"J" : "Ξ",
	"K" : "Κ",
	"k" : "κ",
	"L" : "Λ",
	"l" : "λ",
	"M" : "Μ",
	"m" : "μ",
	"N" : "Ν",
	"n" : "ν",
	"X" : "Χ",
	"x" : "χ",
	"O" : "Ο",
	"o" : "ο",
	"P" : "Π",
	"p" : "π",
	// "Q": "Q",
	// "q": "q",
	"R" : "Ρ",
	"r" : "ρ",
	"S" : "Σ",
	"s" : "σ",
	"T" : "Τ",
	"t" : "τ",
	"Y" : "Υ",
	"y" : "υ",
	"F" : "Φ",
	"f" : "φ",
	"W" : "Ω",
	"w" : "ω"
};

// greek characters and words to convert to greeklish
var greekCharactersToGreeklish = {
	"ΓΧ" : "GX",
	"γχ" : "gx",
	"ΤΘ" : "T8",
	"τθ" : "t8",
	"(θη|Θη)" : "8h",
	"ΘΗ" : "8H",
	"αυ" : "au",
	"Αυ" : "Au",
	"ΑΥ" : "AY",
	"ευ" : "eu",
	"εύ" : "eu",
	"εϋ" : "ey",
	"εΰ" : "ey",
	"Ευ" : "Eu",
	"Εύ" : "Eu",
	"Εϋ" : "Ey",
	"Εΰ" : "Ey",
	"ΕΥ" : "EY",
	"ου" : "ou",
	"ού" : "ou",
	"οϋ" : "oy",
	"οΰ" : "oy",
	"Ου" : "Ou",
	"Ού" : "Ou",
	"Οϋ" : "Oy",
	"Οΰ" : "Oy",
	"ΟΥ" : "OY",
	"Α" : "A",
	"α" : "a",
	"ά" : "a",
	"Ά" : "A",
	"Β" : "B",
	"β" : "b",
	"Γ" : "G",
	"γ" : "g",
	"Δ" : "D",
	"δ" : "d",
	"Ε" : "E",
	"ε" : "e",
	"έ" : "e",
	"Έ" : "E",
	"Ζ" : "Z",
	"ζ" : "z",
	"Η" : "H",
	"η" : "h",
	"ή" : "h",
	"Ή" : "H",
	"Θ" : "TH",
	"θ" : "th",
	"Ι" : "I",
	"Ϊ" : "I",
	"ι" : "i",
	"ί" : "i",
	"ΐ" : "i",
	"ϊ" : "i",
	"Ί" : "I",
	"Κ" : "K",
	"κ" : "k",
	"Λ" : "L",
	"λ" : "l",
	"Μ" : "M",
	"μ" : "m",
	"Ν" : "N",
	"ν" : "n",
	"Ξ" : "KS",
	"ξ" : "ks",
	"Ο" : "O",
	"ο" : "o",
	"Ό" : "O",
	"ό" : "o",
	"Π" : "p",
	"π" : "p",
	"Ρ" : "R",
	"ρ" : "r",
	"Σ" : "S",
	"σ" : "s",
	"Τ" : "T",
	"τ" : "t",
	"Υ" : "Y",
	"Ύ" : "Y",
	"Ϋ" : "Y",
	"ΰ" : "y",
	"ύ" : "y",
	"ϋ" : "y",
	"υ" : "y",
	"Φ" : "F",
	"φ" : "f",
	"Χ" : "X",
	"χ" : "x",
	"Ψ" : "Ps",
	"ψ" : "ps",
	"Ω" : "w",
	"ω" : "w",
	"Ώ" : "w",
	"ώ" : "w",
	"ς" : "s"
};

/**
 * Convert greeklish text to greek
 * 
 * @param {string} greeklishText
 * @return {string} greekText
 */
function greeklishToGreek(greeklishText) {

	// don`t convert latin characters, numbers and specified words like domain
	// names
	var urlRegex = /(([a-z]+:\/\/)?(([a-z0-9\-]+\.)+([a-z]{2}|com|org|net|int|edu|gov|mil|arpa|gr|cy))(:[0-9]{1,5})?(\/[a-z0-9_\-\.~]+)*(\/([a-z0-9_\-\.]*)(\?[a-z0-9+_\-\.%=&amp;]*)?)?(#[a-zA-Z0-9!$&'()*+.=-_~:@/?]*)?)(\s+|$)/gi

	// search strings and return the matches
	var urlsArray = greeklishText.match(urlRegex);
	var urlwordsCounter = 1000;

	if (urlsArray) {
		// no need to lookup the length with jquery each, so we dont use for
		// loop
		// use array and callback
		$.each(urlsArray, function(key, value) {
			greeklishText = greeklishText.replace(value, "[****]"
					+ urlwordsCounter + "[****]");
			urlwordsCounter++;
		});
	}

	var words = new Array();
	var wordsCounter = 1000;

	$.each(englishAcronymArray, function(key, value) {
		// perform global case-insesitive march using gi modifier and match
		// whole words using \b metacharacter
		// more info here
		// http://www.regular-expressions.info/wordboundaries.html
		greeklishText = greeklishText.replace(RegExp("\\b" + value + "\\b",
				"gi"), "*&$" + wordsCounter + "^&*");
		wordsCounter++;
		words.push(value);
	});

	$.each(greeklishWordsTogreekArray, function(key, value) {
		// perform global case-insesitive march using gi modifier
		greeklishText = greeklishText.replace(RegExp(key, "gi"), value);
	});

	$.each(greeklishCharactersToGreekArray, function(key, value) {
		// perform global march using g modifier
		greeklishText = greeklishText.replace(RegExp(key, "g"), value);
	});

	// replace the number with the english words
	$.each(words, function(index, value) {
		greeklishText = greeklishText.replace(RegExp("\\*\\&\\$"
				+ (1000 + index) + "\\^\\&\\*", "gi"), value);
	});

	if (urlsArray) {
		$.each(urlsArray, function(index, value) {
			greeklishText = greeklishText.replace("[****]" + (1000 + index)
					+ "[****]", value);
		});
	}
	var greekText = greeklishText
	return greekText;
}

/**
 * Convert greek text to greeklish
 * 
 * @param {string}
 *            greekText
 * @return {string} greeklishText
 */
function greekToGreeklish(greekText) {
	// loop for each key-value pair
	$.each(greekCharactersToGreeklish, function(key, value) {
		// perform global match using g modifier
		greekText = greekText.replace(RegExp(key, "g"), value);
	});

	var greeklishText = greekText
	return greeklishText;
}