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Content truncation which ends with "..." #111

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Content truncation which ends with "..." #111

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52dec5d
Implemented some truncation logic for tags.
Aug 7, 2011
8db22d3
Fixed problem with truncation length.
Aug 11, 2011
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53 changes: 41 additions & 12 deletions mustache.js
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Expand Up @@ -155,24 +155,53 @@ var Mustache = function() {


var regex = new_regex(); var regex = new_regex();
var tag_replace_callback = function(match, operator, name) { var tag_replace_callback = function(match, operator, name) {

var truncate = {
identifier: ':',
shouldI: false,
after: null
};

if (name.indexOf(truncate.identifier) !== -1) {
truncate.after = name.split(truncate.identifier)[1];
truncate.shouldI = true;

name = name.replace(truncate.identifier, '');
name = name.replace(truncate.after, '');
}

var found = null;

switch(operator) { switch(operator) {
case "!": // ignore comments case "!": // ignore comments
return ""; found = "";
case "=": // set new delimiters, rebuild the replace regexp break;
that.set_delimiters(name); case "=": // set new delimiters, rebuild the replace regexp
regex = new_regex(); that.set_delimiters(name);
return ""; regex = new_regex();
case ">": // render partial found = "";
return that.render_partial(name, context, partials); break;
case "{": // the triple mustache is unescaped case ">": // render partial
return that.find(name, context); found = that.render_partial(name, context, partials);
default: // escape the value break;
return that.escape(that.find(name, context)); case "{": // the triple mustache is unescaped
found = that.find(name, context);
default: // escape the value
found = that.escape(that.find(name, context));
break;
} }

if (truncate.shouldI && found && found.length > truncate.after) {
found = found.substring(0, truncate.after) + ' ...';
}

return found;
}; };

var lines = template.split("\n"); var lines = template.split("\n");
for(var i = 0; i < lines.length; i++) { for(var i = 0; i < lines.length; i++) {
lines[i] = lines[i].replace(regex, tag_replace_callback, this); lines[i] = lines[i].replace(regex, tag_replace_callback, this);

if(!in_recursion) { if(!in_recursion) {
this.send(lines[i]); this.send(lines[i]);
} }
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