268 lines
9.4 KiB
PHP
268 lines
9.4 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Configfilelexer
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*
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* This is the lexer to break the config file source into tokens
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* @package Smarty
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* @subpackage Config
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* @author Uwe Tews
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*/
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/**
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* Smarty Internal Plugin Configfilelexer
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*/
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class Smarty_Internal_Configfilelexer
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{
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public $data;
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public $counter;
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public $token;
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public $value;
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public $node;
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public $line;
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private $state = 1;
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public $smarty_token_names = array ( // Text for parser error messages
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);
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function __construct($data, $smarty)
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{
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// set instance object
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self::instance($this);
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$this->data = $data;
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$this->counter = 0;
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$this->line = 1;
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$this->smarty = $smarty;
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}
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public static function &instance($new_instance = null)
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{
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static $instance = null;
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if (isset($new_instance) && is_object($new_instance))
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$instance = $new_instance;
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return $instance;
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}
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private $_yy_state = 1;
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private $_yy_stack = array();
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function yylex()
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{
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return $this->{'yylex' . $this->_yy_state}();
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}
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function yypushstate($state)
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{
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array_push($this->_yy_stack, $this->_yy_state);
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$this->_yy_state = $state;
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}
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function yypopstate()
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{
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$this->_yy_state = array_pop($this->_yy_stack);
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}
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function yybegin($state)
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{
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$this->_yy_state = $state;
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}
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function yylex1()
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{
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$tokenMap = array (
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1 => 0,
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2 => 0,
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3 => 0,
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4 => 0,
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5 => 0,
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6 => 0,
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7 => 0,
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8 => 1,
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10 => 1,
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12 => 0,
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13 => 0,
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14 => 0,
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15 => 0,
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);
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if ($this->counter >= strlen($this->data)) {
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return false; // end of input
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}
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$yy_global_pattern = "/^(#)|^('[^'\\\\\\\\]*(?:\\\\\\\\.[^'\\\\\\\\]*)*')|^(\"\"\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\"\"\")|^(\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\")|^(\\[)|^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)/";
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do {
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if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
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$yysubmatches = $yymatches;
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$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
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if (!count($yymatches)) {
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throw new Exception('Error: lexing failed because a rule matched' .
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'an empty string. Input "' . substr($this->data,
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$this->counter, 5) . '... state START');
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}
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next($yymatches); // skip global match
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$this->token = key($yymatches); // token number
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if ($tokenMap[$this->token]) {
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// extract sub-patterns for passing to lex function
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$yysubmatches = array_slice($yysubmatches, $this->token + 1,
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$tokenMap[$this->token]);
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} else {
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$yysubmatches = array();
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}
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$this->value = current($yymatches); // token value
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$r = $this->{'yy_r1_' . $this->token}($yysubmatches);
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if ($r === null) {
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$this->counter += strlen($this->value);
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$this->line += substr_count($this->value, "\n");
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// accept this token
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return true;
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} elseif ($r === true) {
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// we have changed state
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// process this token in the new state
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return $this->yylex();
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} elseif ($r === false) {
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$this->counter += strlen($this->value);
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$this->line += substr_count($this->value, "\n");
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if ($this->counter >= strlen($this->data)) {
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return false; // end of input
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}
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// skip this token
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continue;
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} else { $yy_yymore_patterns = array(
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1 => array(0, "^('[^'\\\\\\\\]*(?:\\\\\\\\.[^'\\\\\\\\]*)*')|^(\"\"\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\"\"\")|^(\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\")|^(\\[)|^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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2 => array(0, "^(\"\"\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\"\"\")|^(\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\")|^(\\[)|^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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3 => array(0, "^(\"[^\"\\\\\\\\]*(?:\\\\\\\\.[^\"\\\\\\\\]*)*\")|^(\\[)|^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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4 => array(0, "^(\\[)|^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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5 => array(0, "^(])|^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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6 => array(0, "^(\\s*=\\s*)|^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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7 => array(0, "^(\\d+(\\.\\d+)?)|^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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8 => array(1, "^((\n|\r\n))|^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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10 => array(2, "^([\s]+)|^(\\.)|^(\\w+)|^(.)"),
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12 => array(2, "^(\\.)|^(\\w+)|^(.)"),
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13 => array(2, "^(\\w+)|^(.)"),
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14 => array(2, "^(.)"),
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15 => array(2, ""),
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);
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// yymore is needed
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do {
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if (!strlen($yy_yymore_patterns[$this->token][1])) {
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throw new Exception('cannot do yymore for the last token');
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}
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$yysubmatches = array();
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if (preg_match('/' . $yy_yymore_patterns[$this->token][1] . '/',
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substr($this->data, $this->counter), $yymatches)) {
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$yysubmatches = $yymatches;
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$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
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next($yymatches); // skip global match
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$this->token += key($yymatches) + $yy_yymore_patterns[$this->token][0]; // token number
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$this->value = current($yymatches); // token value
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$this->line = substr_count($this->value, "\n");
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if ($tokenMap[$this->token]) {
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// extract sub-patterns for passing to lex function
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$yysubmatches = array_slice($yysubmatches, $this->token + 1,
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$tokenMap[$this->token]);
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} else {
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$yysubmatches = array();
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}
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}
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$r = $this->{'yy_r1_' . $this->token}($yysubmatches);
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} while ($r !== null && !is_bool($r));
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if ($r === true) {
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// we have changed state
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// process this token in the new state
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return $this->yylex();
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} elseif ($r === false) {
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$this->counter += strlen($this->value);
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$this->line += substr_count($this->value, "\n");
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if ($this->counter >= strlen($this->data)) {
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return false; // end of input
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}
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// skip this token
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continue;
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} else {
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// accept
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$this->counter += strlen($this->value);
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$this->line += substr_count($this->value, "\n");
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return true;
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}
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}
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} else {
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throw new Exception('Unexpected input at line' . $this->line .
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': ' . $this->data[$this->counter]);
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}
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break;
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} while (true);
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} // end function
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const START = 1;
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function yy_r1_1($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_COMMENTSTART;
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}
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function yy_r1_2($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_SI_QSTR;
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}
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function yy_r1_3($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_ML_QSTR;
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}
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function yy_r1_4($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_DO_QSTR;
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}
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function yy_r1_5($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_OPENB;
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}
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function yy_r1_6($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_CLOSEB;
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}
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function yy_r1_7($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_EQUAL;
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}
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function yy_r1_8($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_NUMBER;
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}
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function yy_r1_10($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_EOL;
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}
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function yy_r1_12($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_SPACE;
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}
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function yy_r1_13($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_DOT;
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}
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function yy_r1_14($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_ID;
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}
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function yy_r1_15($yy_subpatterns)
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{
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$this->token = Smarty_Internal_Configfileparser::TPC_OTHER;
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}
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}
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