mirror of
https://github.com/EGroupware/egroupware.git
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116 lines
2.0 KiB
JavaScript
116 lines
2.0 KiB
JavaScript
/*
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DynAPI Distribution
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dynapi.functions.String extension
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*/
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var f = dynapi.functions;
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f.String = {}; // used by dynapi.library
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// String Functions --------------------------------
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f.sprintf = function(t){
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var ar = arguments;
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var i=1,inx = t.indexOf("%s");
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while(inx>=0){
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t = t.substr(0, inx) + ar[i++] + t.substr(inx+2);
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inx = t.indexOf("%s");
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}
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return t;
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};
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f.strRepeat = function(s,n) {
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if(!s) return '';
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var i,a=[];
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for(i=1;i<=n;i++){
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a[a.length]=s;
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}
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return a.join('');
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};
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f.strReverse = function(s) {
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if(!s) return '';
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var a=(s+'').split('');
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a.reverse();
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return a.join('');
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};
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f.strStuff = function(s,v,index) {
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if(!s) return '';
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if (index==null) s=s+v+'';
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else {
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var t1=t2=s+'';
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s=t1.substr(0,index)+v+t2.substr(index,t2.length-index);
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}
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return s;
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};
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f.trim = function(s,dir){
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if(!s) return;
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else s+=''; // make sure s is a string
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dir=(dir)? dir:'<>';
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if(dir=='<'||dir=='<>') s=s.replace(/^(\s+)/g,'');
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if(dir=='>'||dir=='<>') s=s.replace(/(\s+)$/g,'');
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return s;
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};
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f.limitString = function (s,max)
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{
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if (!s) return s;
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else s+='';
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// Do not process HTML tags \\
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var tag = new RegExp(/[<][^>]*[>]/g);
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var special = new RegExp(/[&][^;]*;/g);
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var m, count=0;
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var tags = new Array();
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var specials = new Array();
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var r_s = s.replace(/[<][^>]*[>]/g,'\xFE').replace(/[&][^;]*;/g,'\xFF');
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while (m = tag.exec(s))
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{
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tags[tags.length] = m[0];
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max++;
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}
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while (m = special.exec(s))
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{
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specials[specials.length] = m[0];
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max += 2;
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}
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var i;
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var count = 0;
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var r_final = '';
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for (i=0; i<r_s.length;i++)
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{
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if (r_s[i] == '\xFF')
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{
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r_final += r_s.charAt(i);
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}
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else if (r_s[i] == '\xFE')
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{
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r_final += r_s.charAt(i);
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count++;
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}
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else if (count <= max)
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{
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r_final += r_s.charAt(i);
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count++;
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}
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}
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if (count > max)
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{
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r_final += '...';
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}
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for (i=0; i<tags.length; i++)
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{
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r_final = r_final.replace(/\xFE/,tags[i]);
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}
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for (i=0; i<specials.length; i++)
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{
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r_final = r_final.replace(/\xFF/,specials[i]);
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}
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return r_final;
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}
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