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var LATIN_MAP =
{
'À': 'A', 'Á': 'A', 'Â': 'A', 'Ã': 'A', 'Ä': 'A', 'Å': 'A', 'Æ': 'AE', 'Ç':
'C', 'È': 'E', 'É': 'E', 'Ê': 'E', 'Ë': 'E', 'Ì': 'I', 'Í': 'I', 'Î': 'I',
'Ï': 'I', 'Ð': 'D', 'Ñ': 'N', 'Ò': 'O', 'Ó': 'O', 'Ô': 'O', 'Õ': 'O', 'Ö':
'O', 'Ø': 'O', 'Ù': 'U', 'Ú': 'U', 'Û': 'U', 'Ü': 'U', 'Ý': 'Y', 'Þ': 'TH',
'ß': 'ss', 'à':'a', 'á':'a', 'â': 'a', 'ã': 'a', 'ä': 'a', 'å': 'a', 'æ':
'ae', 'ç': 'c', 'è': 'e', 'é': 'e', 'ê': 'e', 'ë': 'e', 'ì': 'i', 'í': 'i',
'î': 'i', 'ï': 'i', 'ð': 'o', 'ñ': 'n', 'ò': 'o', 'ó': 'o', 'ô': 'o', 'õ':
'o', 'ö': 'o', 'ø': 'o', 'ù': 'u', 'ú': 'u', 'û': 'u', 'ü': 'u', 'ý': 'y',
'þ': 'th', 'ÿ': 'y',
}
var LATIN_SYMBOLS_MAP =
{
'©':'(c)',
}
var GREEK_MAP =
{
'α':'a', 'β':'b', 'γ':'g', 'δ':'d', 'ε':'e', 'ζ':'z', 'η':'h', 'θ':'8',
'ι':'i', 'κ':'k', 'λ':'l', 'μ':'m', 'ν':'n', 'ξ':'3', 'ο':'o', 'π':'p',
'ρ':'r', 'σ':'s', 'τ':'t', 'υ':'y', 'φ':'f', 'χ':'x', 'ψ':'ps', 'ω':'w',
'ά':'a', 'έ':'e', 'ί':'i', 'ό':'o', 'ύ':'y', 'ή':'h', 'ώ':'w', 'ς':'s',
'ϊ':'i', 'ΰ':'y', 'ϋ':'y', 'ΐ':'i',
'Α':'A', 'Β':'B', 'Γ':'G', 'Δ':'D', 'Ε':'E', 'Ζ':'Z', 'Η':'H', 'Θ':'8',
'Ι':'I', 'Κ':'K', 'Λ':'L', 'Μ':'M', 'Ν':'N', 'Ξ':'3', 'Ο':'O', 'Π':'P',
'Ρ':'R', 'Σ':'S', 'Τ':'T', 'Υ':'Y', 'Φ':'F', 'Χ':'X', 'Ψ':'PS', 'Ω':'W',
'Ά':'A', 'Έ':'E', 'Ί':'I', 'Ό':'O', 'Ύ':'Y', 'Ή':'H', 'Ώ':'W', 'Ϊ':'I',
'Ϋ':'Y'
}
var TURKISH_MAP = {
'ş':'s', 'Ş':'S', 'ı':'i', 'İ':'I', 'ç':'c', 'Ç':'C', 'ü':'u', 'Ü':'U',
'ö':'o', 'Ö':'O', 'ğ':'g', 'Ğ':'G',
}
// var RUSSIAN_MAP =
// {
// }
var ALL_DOWNCODE_MAPS=new Array()
ALL_DOWNCODE_MAPS[0]=LATIN_MAP
ALL_DOWNCODE_MAPS[1]=LATIN_SYMBOLS_MAP
ALL_DOWNCODE_MAPS[2]=GREEK_MAP
ALL_DOWNCODE_MAPS[3]=TURKISH_MAP
//ALL_DOWNCODE_MAPS[4]=RUSSIAN_MAP
var Downcoder = new Object();
Downcoder.Initialize = function()
{
if (Downcoder.map) // already made
return ;
Downcoder.map ={}
Downcoder.chars = '' ;
for(var i in ALL_DOWNCODE_MAPS)
{
var lookup = ALL_DOWNCODE_MAPS[i]
for (var c in lookup)
{
Downcoder.map[c] = lookup[c] ;
Downcoder.chars += c ;
}
}
Downcoder.regex = new RegExp('[' + Downcoder.chars + ']|[^' + Downcoder.chars + ']+','g') ;
}
downcode= function( slug )
{
Downcoder.Initialize() ;
var downcoded =""
var pieces = slug.match(Downcoder.regex);
if(pieces)
{
for (var i = 0 ; i < pieces.length ; i++)
{
if (pieces[i].length == 1)
{
var mapped = Downcoder.map[pieces[i]] ;
if (mapped != null)
{
downcoded+=mapped;
continue ;
}
}
downcoded+=pieces[i];
}
}
else
{
downcoded = slug;
}
return downcoded;
}
function URLify(s, num_chars) {
// changes, e.g., "Petty theft" to "petty_theft"
// remove all these words from the string before urlifying
s = downcode(s);
removelist = ["a", "an", "as", "at", "before", "but", "by", "for", "from",
"is", "in", "into", "like", "of", "off", "on", "onto", "per",
"since", "than", "the", "this", "that", "to", "up", "via",
"with"];
r = new RegExp('\\b(' + removelist.join('|') + ')\\b', 'gi');
s = s.replace(r, '');
// if downcode doesn't hit, the char will be stripped here
s = s.replace(/[^-\w\s]/g, ''); // remove unneeded chars
s = s.replace(/^\s+|\s+$/g, ''); // trim leading/trailing spaces
s = s.replace(/[-\s]+/g, '-'); // convert spaces to hyphens
s = s.toLowerCase(); // convert to lowercase
return s.substring(0, num_chars);// trim to first num_chars chars
}
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