| 'use strict'; |
| |
| /** |
| * Module dependencies |
| */ |
| |
| var Snapdragon = require('snapdragon'); |
| var define = require('define-property'); |
| var extend = require('extend-shallow'); |
| |
| /** |
| * Local dependencies |
| */ |
| |
| var compilers = require('./compilers'); |
| var parsers = require('./parsers'); |
| |
| /** |
| * Customize Snapdragon parser and renderer |
| */ |
| |
| function Extglob(options) { |
| this.options = extend({source: 'extglob'}, options); |
| this.snapdragon = this.options.snapdragon || new Snapdragon(this.options); |
| this.snapdragon.patterns = this.snapdragon.patterns || {}; |
| this.compiler = this.snapdragon.compiler; |
| this.parser = this.snapdragon.parser; |
| |
| compilers(this.snapdragon); |
| parsers(this.snapdragon); |
| |
| /** |
| * Override Snapdragon `.parse` method |
| */ |
| |
| define(this.snapdragon, 'parse', function(str, options) { |
| var parsed = Snapdragon.prototype.parse.apply(this, arguments); |
| parsed.input = str; |
| |
| // escape unmatched brace/bracket/parens |
| var last = this.parser.stack.pop(); |
| if (last && this.options.strict !== true) { |
| var node = last.nodes[0]; |
| node.val = '\\' + node.val; |
| var sibling = node.parent.nodes[1]; |
| if (sibling.type === 'star') { |
| sibling.loose = true; |
| } |
| } |
| |
| // add non-enumerable parser reference |
| define(parsed, 'parser', this.parser); |
| return parsed; |
| }); |
| |
| /** |
| * Decorate `.parse` method |
| */ |
| |
| define(this, 'parse', function(ast, options) { |
| return this.snapdragon.parse.apply(this.snapdragon, arguments); |
| }); |
| |
| /** |
| * Decorate `.compile` method |
| */ |
| |
| define(this, 'compile', function(ast, options) { |
| return this.snapdragon.compile.apply(this.snapdragon, arguments); |
| }); |
| |
| } |
| |
| /** |
| * Expose `Extglob` |
| */ |
| |
| module.exports = Extglob; |