You've already forked Epicnabbo-Catalogus-Updated-Daily
Remco
113 lines
2.9 KiB
JavaScript
113 lines
2.9 KiB
JavaScript
/**
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* Copyright (C) 2018 Glayzzle (BSD3 License)
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* @authors https://github.com/glayzzle/php-parser/graphs/contributors
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* @url http://glayzzle.com
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*/
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"use strict";
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const tokens = ";:,.\\[]()|^&+-/*=%!~$<>?@";
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module.exports = {
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// check if the char can be a numeric
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is_NUM: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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return (ch > 47 && ch < 58) || ch === 95;
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},
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// check if the char can be a numeric
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is_NUM_START: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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return ch > 47 && ch < 58;
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},
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// check if current char can be a label
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is_LABEL: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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return (
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(ch > 96 && ch < 123) ||
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(ch > 64 && ch < 91) ||
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ch === 95 ||
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(ch > 47 && ch < 58) ||
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ch > 126
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);
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},
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// check if current char can be a label
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is_LABEL_START: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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// A - Z
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if (ch > 64 && ch < 91) return true;
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// a - z
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if (ch > 96 && ch < 123) return true;
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// _ (95)
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if (ch === 95) return true;
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// utf8 / extended
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if (ch > 126) return true;
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// else
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return false;
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},
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// reads each char of the label
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consume_LABEL: function () {
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while (this.offset < this.size) {
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const ch = this.input();
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if (!this.is_LABEL()) {
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if (ch) this.unput(1);
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break;
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}
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}
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return this;
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},
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// check if current char is a token char
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is_TOKEN: function () {
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const ch = this._input[this.offset - 1];
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return tokens.indexOf(ch) !== -1;
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},
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// check if current char is a whitespace
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is_WHITESPACE: function () {
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const ch = this._input[this.offset - 1];
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return ch === " " || ch === "\t" || ch === "\n" || ch === "\r";
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},
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// check if current char is a whitespace (without newlines)
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is_TABSPACE: function () {
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const ch = this._input[this.offset - 1];
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return ch === " " || ch === "\t";
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},
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// consume all whitespaces (excluding newlines)
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consume_TABSPACE: function () {
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while (this.offset < this.size) {
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const ch = this.input();
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if (!this.is_TABSPACE()) {
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if (ch) this.unput(1);
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break;
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}
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}
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return this;
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},
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// check if current char can be a hexadecimal number
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is_HEX: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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// 0 - 9
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if (ch > 47 && ch < 58) return true;
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// A - F
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if (ch > 64 && ch < 71) return true;
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// a - f
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if (ch > 96 && ch < 103) return true;
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// _ (code 95)
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if (ch === 95) return true;
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// else
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return false;
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},
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// check if current char can be an octal number
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is_OCTAL: function () {
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const ch = this._input.charCodeAt(this.offset - 1);
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// 0 - 7
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if (ch > 47 && ch < 56) return true;
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// _ (code 95)
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if (ch === 95) return true;
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// else
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return false;
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},
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};
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