61 lines
1.5 KiB
PHP
Executable File
61 lines
1.5 KiB
PHP
Executable File
<?php
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/** @file
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* Parser tokens.
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*/
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namespace QueryPath\CSS;
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/**
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* Tokens for CSS.
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* This class defines the recognized tokens for the parser, and also
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* provides utility functions for error reporting.
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*
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* @ingroup querypath_css
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*/
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final class Token {
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const char = 0;
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const star = 1;
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const rangle = 2;
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const dot = 3;
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const octo = 4;
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const rsquare = 5;
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const lsquare = 6;
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const colon = 7;
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const rparen = 8;
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const lparen = 9;
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const plus = 10;
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const tilde = 11;
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const eq = 12;
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const pipe = 13;
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const comma = 14;
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const white = 15;
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const quote = 16;
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const squote = 17;
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const bslash = 18;
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const carat = 19;
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const dollar = 20;
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const at = 21; // This is not in the spec. Apparently, old broken CSS uses it.
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// In legal range for string.
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const stringLegal = 99;
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/**
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* Get a name for a given constant. Used for error handling.
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*/
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static function name($const_int) {
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$a = array('character', 'star', 'right angle bracket',
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'dot', 'octothorp', 'right square bracket', 'left square bracket',
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'colon', 'right parenthesis', 'left parenthesis', 'plus', 'tilde',
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'equals', 'vertical bar', 'comma', 'space', 'quote', 'single quote',
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'backslash', 'carat', 'dollar', 'at');
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if (isset($a[$const_int]) && is_numeric($const_int)) {
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return $a[$const_int];
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}
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elseif ($const_int == 99) {
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return 'a legal non-alphanumeric character';
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}
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elseif ($const_int == FALSE) {
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return 'end of file';
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}
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return sprintf('illegal character (%s)', $const_int);
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}
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}
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