smarty/libs/sysplugins/smarty_internal_configfilelexer.php

<?php
/**
 * Smarty Internal Plugin Configfilelexer
 *
 * This is the lexer to break the config file source into tokens
 *
 * @package    Smarty
 * @subpackage Config
 * @author     Uwe Tews
 */

/**
 * Smarty_Internal_Configfilelexer
 *
 * This is the config file lexer.
 * It is generated from the smarty_internal_configfilelexer.plex file
 *
 * @package    Smarty
 * @subpackage Compiler
 * @author     Uwe Tews
 */
class Smarty_Internal_Configfilelexer
{
    /**
     * Source
     *
     * @var string
     */
    public $data;

    /**
     * byte counter
     *
     * @var int
     */
    public $counter;

    /**
     * token number
     *
     * @var int
     */
    public $token;

    /**
     * token value
     *
     * @var string
     */
    public $value;

    /**
     * current line
     *
     * @var int
     */
    public $line;

    /**
     * state number
     *
     * @var int
     */
    public $state = 1;

    /**
     * Smarty object
     *
     * @var Smarty
     */
    public $smarty = null;

    /**
     * compiler object
     *
     * @var Smarty_Internal_Config_File_Compiler
     */
    private $compiler = null;

    /**
     * copy of config_booleanize
     *
     * @var bool
     */
    private $configBooleanize = false;

    /**
     * trace file
     *
     * @var resource
     */
    public $yyTraceFILE;

    /**
     * trace prompt
     *
     * @var string
     */
    public $yyTracePrompt;

    /**
     * state names
     *
     * @var array
     */
    public $state_name = array(1 => 'START', 2 => 'VALUE', 3 => 'NAKED_STRING_VALUE', 4 => 'COMMENT', 5 => 'SECTION',
                               6 => 'TRIPPLE');

    /**
     * storage for assembled token patterns
     *
     * @var sring
     */
    private $yy_global_pattern1 = null;

    private $yy_global_pattern2 = null;

    private $yy_global_pattern3 = null;

    private $yy_global_pattern4 = null;

    private $yy_global_pattern5 = null;

    private $yy_global_pattern6 = null;

    /**
     * token names
     *
     * @var array
     */
    public $smarty_token_names = array(        // Text for parser error messages
    );

    /**
     * constructor
     *
     * @param   string                             $data template source
     * @param Smarty_Internal_Config_File_Compiler $compiler
     */
    function __construct($data, Smarty_Internal_Config_File_Compiler $compiler)
    {
        // set instance object
        self::instance($this);
        $this->data = $data . "\n"; //now all lines are \n-terminated
        $this->counter = 0;
        if (preg_match('/^\xEF\xBB\xBF/', $this->data, $match)) {
            $this->counter += strlen($match[0]);
        }
        $this->line = 1;
        $this->compiler = $compiler;
        $this->smarty = $compiler->smarty;
        $this->configBooleanize = $this->smarty->config_booleanize;
    }

    public static function &instance($new_instance = null)
    {
        static $instance = null;
        if (isset($new_instance) && is_object($new_instance)) {
            $instance = $new_instance;
        }
        return $instance;
    }

    public function PrintTrace()
    {
        $this->yyTraceFILE = fopen('php://output', 'w');
        $this->yyTracePrompt = '<br>';
    }

    private $_yy_state = 1;

    private $_yy_stack = array();

    public function yylex()
    {
        return $this->{'yylex' . $this->_yy_state}();
    }

    public function yypushstate($state)
    {
        if ($this->yyTraceFILE) {
            fprintf($this->yyTraceFILE, "%sState push %s\n", $this->yyTracePrompt, isset($this->state_name[$this->_yy_state]) ? $this->state_name[$this->_yy_state] : $this->_yy_state);
        }
        array_push($this->_yy_stack, $this->_yy_state);
        $this->_yy_state = $state;
        if ($this->yyTraceFILE) {
            fprintf($this->yyTraceFILE, "%snew State %s\n", $this->yyTracePrompt, isset($this->state_name[$this->_yy_state]) ? $this->state_name[$this->_yy_state] : $this->_yy_state);
        }
    }

    public function yypopstate()
    {
        if ($this->yyTraceFILE) {
            fprintf($this->yyTraceFILE, "%sState pop %s\n", $this->yyTracePrompt, isset($this->state_name[$this->_yy_state]) ? $this->state_name[$this->_yy_state] : $this->_yy_state);
        }
        $this->_yy_state = array_pop($this->_yy_stack);
        if ($this->yyTraceFILE) {
            fprintf($this->yyTraceFILE, "%snew State %s\n", $this->yyTracePrompt, isset($this->state_name[$this->_yy_state]) ? $this->state_name[$this->_yy_state] : $this->_yy_state);
        }
    }

    public function yybegin($state)
    {
        $this->_yy_state = $state;
        if ($this->yyTraceFILE) {
            fprintf($this->yyTraceFILE, "%sState set %s\n", $this->yyTracePrompt, isset($this->state_name[$this->_yy_state]) ? $this->state_name[$this->_yy_state] : $this->_yy_state);
        }
    }

    public function yylex1()
    {
        if (!isset($this->yy_global_pattern1)) {
            $this->yy_global_pattern1 = "/\G(#|;)|\G(\\[)|\G(\\])|\G(=)|\G([ \t\r]+)|\G(\n)|\G([0-9]*[a-zA-Z_]\\w*)|\G([\S\s])/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern1, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state START');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r1_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const START = 1;

    function yy_r1_1()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_COMMENTSTART;
        $this->yypushstate(self::COMMENT);
    }

    function yy_r1_2()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_OPENB;
        $this->yypushstate(self::SECTION);
    }

    function yy_r1_3()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_CLOSEB;
    }

    function yy_r1_4()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_EQUAL;
        $this->yypushstate(self::VALUE);
    }

    function yy_r1_5()
    {

        return false;
    }

    function yy_r1_6()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NEWLINE;
    }

    function yy_r1_7()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_ID;
    }

    function yy_r1_8()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_OTHER;
    }

    public function yylex2()
    {
        if (!isset($this->yy_global_pattern2)) {
            $this->yy_global_pattern2 = "/\G([ \t\r]+)|\G(\\d+\\.\\d+(?=[ \t\r]*[\n#;]))|\G(\\d+(?=[ \t\r]*[\n#;]))|\G(\"\"\")|\G('[^'\\\\]*(?:\\\\.[^'\\\\]*)*'(?=[ \t\r]*[\n#;]))|\G(\"[^\"\\\\]*(?:\\\\.[^\"\\\\]*)*\"(?=[ \t\r]*[\n#;]))|\G([a-zA-Z]+(?=[ \t\r]*[\n#;]))|\G([^\n]+?(?=[ \t\r]*\n))|\G(\n)/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern2, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state VALUE');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r2_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const VALUE = 2;

    function yy_r2_1()
    {

        return false;
    }

    function yy_r2_2()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_FLOAT;
        $this->yypopstate();
    }

    function yy_r2_3()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_INT;
        $this->yypopstate();
    }

    function yy_r2_4()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_TRIPPLE_QUOTES;
        $this->yypushstate(self::TRIPPLE);
    }

    function yy_r2_5()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_SINGLE_QUOTED_STRING;
        $this->yypopstate();
    }

    function yy_r2_6()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_DOUBLE_QUOTED_STRING;
        $this->yypopstate();
    }

    function yy_r2_7()
    {

        if (!$this->configBooleanize || !in_array(strtolower($this->value), Array("true", "false", "on", "off", "yes",
                "no"))
        ) {
            $this->yypopstate();
            $this->yypushstate(self::NAKED_STRING_VALUE);
            return true; //reprocess in new state
        } else {
            $this->token = Smarty_Internal_Configfileparser::TPC_BOOL;
            $this->yypopstate();
        }
    }

    function yy_r2_8()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
        $this->yypopstate();
    }

    function yy_r2_9()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
        $this->value = "";
        $this->yypopstate();
    }

    public function yylex3()
    {
        if (!isset($this->yy_global_pattern3)) {
            $this->yy_global_pattern3 = "/\G([^\n]+?(?=[ \t\r]*\n))/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern3, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state NAKED_STRING_VALUE');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r3_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const NAKED_STRING_VALUE = 3;

    function yy_r3_1()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
        $this->yypopstate();
    }

    public function yylex4()
    {
        if (!isset($this->yy_global_pattern4)) {
            $this->yy_global_pattern4 = "/\G([ \t\r]+)|\G([^\n]+?(?=[ \t\r]*\n))|\G(\n)/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern4, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state COMMENT');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r4_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const COMMENT = 4;

    function yy_r4_1()
    {

        return false;
    }

    function yy_r4_2()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
    }

    function yy_r4_3()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_NEWLINE;
        $this->yypopstate();
    }

    public function yylex5()
    {
        if (!isset($this->yy_global_pattern5)) {
            $this->yy_global_pattern5 = "/\G(\\.)|\G(.*?(?=[\.=[\]\r\n]))/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern5, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state SECTION');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r5_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const SECTION = 5;

    function yy_r5_1()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_DOT;
    }

    function yy_r5_2()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_SECTION;
        $this->yypopstate();
    }

    public function yylex6()
    {
        if (!isset($this->yy_global_pattern6)) {
            $this->yy_global_pattern6 = "/\G(\"\"\"(?=[ \t\r]*[\n#;]))|\G([\S\s])/isS";
        }
        if ($this->counter >= strlen($this->data)) {
            return false; // end of input
        }

        do {
            if (preg_match($this->yy_global_pattern6, $this->data, $yymatches, null, $this->counter)) {
                $yysubmatches = $yymatches;
                if (strlen($yysubmatches[0]) < 200) {
                    $yymatches = preg_grep("/(.|\s)+/", $yysubmatches);
                } else {
                    $yymatches = array_filter($yymatches, 'strlen');
                }
                if (empty($yymatches)) {
                    throw new Exception('Error: lexing failed because a rule matched' . ' an empty string.  Input "' . substr($this->data, $this->counter, 5) . '... state TRIPPLE');
                }
                next($yymatches); // skip global match
                $this->token = key($yymatches); // token number
                $this->value = current($yymatches); // token value
                $r = $this->{'yy_r6_' . $this->token}();
                if ($r === null) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    // accept this token
                    return true;
                } elseif ($r === true) {
                    // we have changed state
                    // process this token in the new state
                    return $this->yylex();
                } elseif ($r === false) {
                    $this->counter += strlen($this->value);
                    $this->line += substr_count($this->value, "\n");
                    if ($this->counter >= strlen($this->data)) {
                        return false; // end of input
                    }
                    // skip this token
                    continue;
                }
            } else {
                throw new Exception('Unexpected input at line' . $this->line . ': ' . $this->data[$this->counter]);
            }
            break;
        } while (true);
    } // end function

    const TRIPPLE = 6;

    function yy_r6_1()
    {

        $this->token = Smarty_Internal_Configfileparser::TPC_TRIPPLE_QUOTES_END;
        $this->yypopstate();
        $this->yypushstate(self::START);
    }

    function yy_r6_2()
    {

        $to = strlen($this->data);
        preg_match("/\"\"\"[ \t\r]*[\n#;]/", $this->data, $match, PREG_OFFSET_CAPTURE, $this->counter);
        if (isset($match[0][1])) {
            $to = $match[0][1];
        } else {
            $this->compiler->trigger_template_error("missing or misspelled literal closing tag");
        }
        $this->value = substr($this->data, $this->counter, $to - $this->counter);
        $this->token = Smarty_Internal_Configfileparser::TPC_TRIPPLE_TEXT;
    }

}