User:Gerbrant/edit/multiReplace.js
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< User:Gerbrant | edit
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module("Gerbrant.edit.multiReplace", function()
{
patterns = [];
handlers = [];
indices = [];
var j = 1;
this.add = function(p, h)
{
var n = p.match(/\((?!\?)/g);
if(n) n = n.length + j;
else n = j;
patterns.push(p.replace(/\\(\d+)/, function(a, b)
{
return "\\" + (+b + n - 1);
}));
handlers.push(h);
indices.push([j, ++n]);
j = n;
}
//equivalent aan a.slice(b, e), maar dat werkt niet voor arguments
function sliceArg(a, b, e)
{
n = [];
while(b < e) n.push(a[b++]);
return n;
}
this.handler = function(a)
{
var i, idx;
for(i in indices)
{
idx = indices[i];
if(arguments[idx[0]] != undefined)
try
{
return handlers[i].apply(a, sliceArg(arguments, idx[0], idx[1]));
}
catch(e)
{
alert(e.message + "\n\n" + handlers[i]);
return a;
}
}
throw "Failed sanity check.";
}
this.getRE = function()
{
return new RegExp("(" + patterns.join(")|(") + ")", "g")
};
this.replace = function(t)
{
return t.replace(this.getRE(), this.handler);
};
});
