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79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
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/**********************************************************************
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*
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*
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*
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**********************************************/ /* c8 ignore next 2 */
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((typeof define)[0]=='u'?function(f){module.exports=f(require)}:define)
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(function(require){ var module={} // make module AMD/node compatible...
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/*********************************************************************/
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var object = require('ig-object')
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/*********************************************************************/
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var RegExpMixin =
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module.RegExpMixin =
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object.Mixin('RegExpMixin', 'soft', {
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// Quote a string and convert to RegExp to match self literally.
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quoteRegExp: function(str){
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return str
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.replace(/([\.\\\/\(\)\[\]\$\*\+\-\{\}\@\^\&\?\<\>])/g, '\\$1') }
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})
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var GROUP_PATERN =
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//module.GROUP_PATERN = /(^\(|[^\\]\()/g
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module.GROUP_PATERN = new RegExp([
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'^\\(',
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// non-escaped braces...
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'[^\\\\]\\(',
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// XXX ignore braces in ranges...
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// XXX '\\[.*(.*\\]',
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].join('|'))
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// Pattern group introspection...
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var RegExpProtoMixin =
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module.RegExpProtoMixin =
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object.Mixin('RegExpProtoMixin', 'soft', {
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// Format:
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// [
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// {
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// index: <index>,
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// name: <name>,
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// pattern: <string>,
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// offset: <offset>,
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// },
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// ...
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// ]
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// XXX cache this...
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get groups(){
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this.toString()
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.matchAll(GROUP_PATERN)
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},
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get namedGroups(){
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return this.groups
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.reduce(function(res, e){
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e.name
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&& (res[name] = e)
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return res }, {}) },
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get groupCount(){
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return this.groups.length },
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})
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RegExpMixin(RegExp)
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// XXX EXPEREMENTAL...
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//RegExpProtoMixin(RegExp.prototype)
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var quoteRegExp =
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RegExp.quoteRegExp =
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RegExp.quoteRegExp
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/**********************************************************************
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* vim:set ts=4 sw=4 : */ return module })
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