| 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394 |
- /*jshint node:true */
- /*
- The MIT License (MIT)
- Copyright (c) 2007-2018 Einar Lielmanis, Liam Newman, and contributors.
- Permission is hereby granted, free of charge, to any person
- obtaining a copy of this software and associated documentation files
- (the "Software"), to deal in the Software without restriction,
- including without limitation the rights to use, copy, modify, merge,
- publish, distribute, sublicense, and/or sell copies of the Software,
- and to permit persons to whom the Software is furnished to do so,
- subject to the following conditions:
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- SOFTWARE.
- */
- 'use strict';
- function Pattern(input_scanner, parent) {
- this._input = input_scanner;
- this._starting_pattern = null;
- this._match_pattern = null;
- this._until_pattern = null;
- this._until_after = false;
- if (parent) {
- this._starting_pattern = this._input.get_regexp(parent._starting_pattern, true);
- this._match_pattern = this._input.get_regexp(parent._match_pattern, true);
- this._until_pattern = this._input.get_regexp(parent._until_pattern);
- this._until_after = parent._until_after;
- }
- }
- Pattern.prototype.read = function() {
- var result = this._input.read(this._starting_pattern);
- if (!this._starting_pattern || result) {
- result += this._input.read(this._match_pattern, this._until_pattern, this._until_after);
- }
- return result;
- };
- Pattern.prototype.read_match = function() {
- return this._input.match(this._match_pattern);
- };
- Pattern.prototype.until_after = function(pattern) {
- var result = this._create();
- result._until_after = true;
- result._until_pattern = this._input.get_regexp(pattern);
- result._update();
- return result;
- };
- Pattern.prototype.until = function(pattern) {
- var result = this._create();
- result._until_after = false;
- result._until_pattern = this._input.get_regexp(pattern);
- result._update();
- return result;
- };
- Pattern.prototype.starting_with = function(pattern) {
- var result = this._create();
- result._starting_pattern = this._input.get_regexp(pattern, true);
- result._update();
- return result;
- };
- Pattern.prototype.matching = function(pattern) {
- var result = this._create();
- result._match_pattern = this._input.get_regexp(pattern, true);
- result._update();
- return result;
- };
- Pattern.prototype._create = function() {
- return new Pattern(this._input, this);
- };
- Pattern.prototype._update = function() {};
- module.exports.Pattern = Pattern;
|