js_locale/trunk/locale.js


// locale in which to sort (basically a alphabet in correct dictionary sort order)
var _lc_locale = '_0123456789aAáÁãÃâÂäÄ±¡bBcCçÇèÈæÆdDïÏðÐeEéÉìÌëËêÊfFgGhHiIíÍîÎjJkKlLåÅµ¥³£mMnNñÑòÒoOóÓôÔöÖõÕpPqQrRàÀøØsS¶¦ºªß¹©tT»«þÞuUúÚùÙüÜûÛvVwWxXyYýÝzZ¼¬¿¯¾®';

// produce equivavlent of alphabet in native JavaScript sort order
var _lc_native = _lc_locale.split("").sort().join("");

function lc_debug(msg) {
        // comment out to disable debug
        //return;
        document.write('<div style="color: gray; font-size: small;">'+msg+'</div>');
}

// create character remapping array
var _lc_l2n_arr = new Array();
var r = 0;
for (var i=0; i < _lc_locale.length; i++) {
        if (_lc_locale.charAt(i) != _lc_native.charAt(i)) {
                _lc_l2n_arr[_lc_locale.charAt(i)] = _lc_native.charAt(i);
                r++;
        }
}

lc_debug(
        "_lc_native:"+_lc_native+"<br>"+
        "_lc_locale:"+_lc_locale+"<br>"+
        "remapped "+r+" characters from table of "+_lc_locale.length+"/"+_lc_native.length+" locale/native characters<br>"
);

// comment out following line to disable caching of locale terms
var _lc_cache = new Array();

// convert string to correct sort order according to locale
function _lc(str) {
        if (_lc_cache && _lc_cache[str]) {
                return _lc_cache[str];
        } else {
                var out = '';
                for (var i=0; i <= str.length; i++) {
                        var c = str.charAt(i);
                        if (_lc_l2n_arr[c]) {
                                out += _lc_l2n_arr[c];
                        } else {
                                out += c;
                        }
                }
                if (_lc_cache) _lc_cache[str] = out;
                return out;
        }
}

// sort function with locale support
function _lc_sort(a,b) {
        var a_l = _lc(a);
        var b_l = _lc(b);

        lc_debug(a+' '+( a_l < b_l ? '<' : ( a_l == b_l ? '==' : '>' ) )+' '+b+' [ '+a_l+' '+b_l+' ]');

        if (a_l < b_l) {
                return -1;
        } else if (a_l == b_l) {
                return 0;
        } else {
                return 1;
        }
}

1	dpavlin	1
2			// locale in which to sort (basically a alphabet in correct dictionary sort order)
3			var _lc_locale = '_0123456789aAáÁãÃâÂäÄ±¡bBcCçÇèÈæÆdDïÏðÐeEéÉìÌëËêÊfFgGhHiIíÍîÎjJkKlLåÅµ¥³£mMnNñÑòÒoOóÓôÔöÖõÕpPqQrRàÀøØsS¶¦ºªß¹©tT»«þÞuUúÚùÙüÜûÛvVwWxXyYýÝzZ¼¬¿¯¾®';
4
5			// produce equivavlent of alphabet in native JavaScript sort order
6			var _lc_native = _lc_locale.split("").sort().join("");
7
8			function lc_debug(msg) {
9			// comment out to disable debug
10			//return;
11			document.write('<div style="color: gray; font-size: small;">'+msg+'</div>');
12			}
13
14			// create character remapping array
15			var _lc_l2n_arr = new Array();
16			var r = 0;
17			for (var i=0; i < _lc_locale.length; i++) {
18			if (_lc_locale.charAt(i) != _lc_native.charAt(i)) {
19			_lc_l2n_arr[_lc_locale.charAt(i)] = _lc_native.charAt(i);
20			r++;
21			}
22			}
23
24			lc_debug(
25			"_lc_native:"+_lc_native+"<br>"+
26			"_lc_locale:"+_lc_locale+"<br>"+
27			"remapped "+r+" characters from table of "+_lc_locale.length+"/"+_lc_native.length+" locale/native characters<br>"
28			);
29
30			// comment out following line to disable caching of locale terms
31			var _lc_cache = new Array();
32
33			// convert string to correct sort order according to locale
34			function _lc(str) {
35			if (_lc_cache && _lc_cache[str]) {
36			return _lc_cache[str];
37			} else {
38			var out = '';
39			for (var i=0; i <= str.length; i++) {
40			var c = str.charAt(i);
41			if (_lc_l2n_arr[c]) {
42			out += _lc_l2n_arr[c];
43			} else {
44			out += c;
45			}
46			}
47			if (_lc_cache) _lc_cache[str] = out;
48			return out;
49			}
50			}
51
52			// sort function with locale support
53			function _lc_sort(a,b) {
54			var a_l = _lc(a);
55			var b_l = _lc(b);
56
57			lc_debug(a+' '+( a_l < b_l ? '<' : ( a_l == b_l ? '==' : '>' ) )+' '+b+' [ '+a_l+' '+b_l+' ]');
58
59			if (a_l < b_l) {
60			return -1;
61			} else if (a_l == b_l) {
62			return 0;
63			} else {
64			return 1;
65			}
66			}
67