discourse-legacysite-perl/site/stackreach/libs/sysplugins/smarty_internal_configfilelexer.php
2024-06-17 22:24:05 +10:00

526 lines
17 KiB
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 Plugin Configfilelexer
*/
class Smarty_Internal_Configfilelexer
{
public $data;
public $counter;
public $token;
public $value;
public $node;
public $line;
private $state = 1;
public $smarty_token_names = array ( // Text for parser error messages
);
function __construct($data, $smarty)
{
// set instance object
self::instance($this);
$this->data = $data . "\n"; //now all lines are \n-terminated
$this->counter = 0;
$this->line = 1;
$this->smarty = $smarty;
}
public static function &instance($new_instance = null)
{
static $instance = null;
if (isset($new_instance) && is_object($new_instance))
$instance = $new_instance;
return $instance;
}
private $_yy_state = 1;
private $_yy_stack = array();
function yylex()
{
return $this->{'yylex' . $this->_yy_state}();
}
function yypushstate($state)
{
array_push($this->_yy_stack, $this->_yy_state);
$this->_yy_state = $state;
}
function yypopstate()
{
$this->_yy_state = array_pop($this->_yy_stack);
}
function yybegin($state)
{
$this->_yy_state = $state;
}
function yylex1()
{
$tokenMap = array (
1 => 0,
2 => 0,
3 => 0,
4 => 0,
5 => 0,
6 => 0,
7 => 0,
);
if ($this->counter >= strlen($this->data)) {
return false; // end of input
}
$yy_global_pattern = "/^(#)|^(\\[)|^(\\])|^(=)|^([ \t\r]+)|^(\n)|^([0-9]*[a-zA-Z_]\\w*)/iS";
do {
if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception('Error: lexing failed because a rule matched' .
'an empty string. Input "' . substr($this->data,
$this->counter, 5) . '... state START');
}
next($yymatches); // skip global match
$this->token = key($yymatches); // token number
if ($tokenMap[$this->token]) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, $this->token + 1,
$tokenMap[$this->token]);
} else {
$yysubmatches = array();
}
$this->value = current($yymatches); // token value
$r = $this->{'yy_r1_' . $this->token}($yysubmatches);
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($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_COMMENTSTART;
$this->yypushstate(self::COMMENT);
}
function yy_r1_2($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_OPENB;
$this->yypushstate(self::SECTION);
}
function yy_r1_3($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_CLOSEB;
}
function yy_r1_4($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_EQUAL;
$this->yypushstate(self::VALUE);
}
function yy_r1_5($yy_subpatterns)
{
return false;
}
function yy_r1_6($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NEWLINE;
}
function yy_r1_7($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_ID;
}
function yylex2()
{
$tokenMap = array (
1 => 0,
2 => 0,
3 => 0,
4 => 0,
5 => 0,
6 => 0,
7 => 0,
8 => 0,
9 => 0,
);
if ($this->counter >= strlen($this->data)) {
return false; // end of input
}
$yy_global_pattern = "/^([ \t\r]+)|^(\\d+\\.\\d+(?=[ \t\r]*[\n#]))|^(\\d+(?=[ \t\r]*[\n#]))|^('[^'\\\\]*(?:\\\\.[^'\\\\]*)*'(?=[ \t\r]*[\n#]))|^(\"[^\"\\\\]*(?:\\\\.[^\"\\\\]*)*\"(?=[ \t\r]*[\n#]))|^(\"\"\"[^\"\\\\]*(?:\\\\.[^\"\\\\]*)*\"\"\"(?=[ \t\r]*[\n#]))|^([a-zA-Z]+(?=[ \t\r]*[\n#]))|^([^\n]+?(?=[ \t\r]*\n))|^(\n)/iS";
do {
if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception('Error: lexing failed because a rule matched' .
'an empty string. Input "' . substr($this->data,
$this->counter, 5) . '... state VALUE');
}
next($yymatches); // skip global match
$this->token = key($yymatches); // token number
if ($tokenMap[$this->token]) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, $this->token + 1,
$tokenMap[$this->token]);
} else {
$yysubmatches = array();
}
$this->value = current($yymatches); // token value
$r = $this->{'yy_r2_' . $this->token}($yysubmatches);
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($yy_subpatterns)
{
return false;
}
function yy_r2_2($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_FLOAT;
$this->yypopstate();
}
function yy_r2_3($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_INT;
$this->yypopstate();
}
function yy_r2_4($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_SINGLE_QUOTED_STRING;
$this->yypopstate();
}
function yy_r2_5($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_DOUBLE_QUOTED_STRING;
$this->yypopstate();
}
function yy_r2_6($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_TRIPPLE_DOUBLE_QUOTED_STRING;
$this->yypopstate();
}
function yy_r2_7($yy_subpatterns)
{
if (!$this->smarty->config_booleanize || !in_array(strtolower($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;
$this->yypopstate();
}
}
function yy_r2_8($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
$this->yypopstate();
}
function yy_r2_9($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
$this->value = "";
$this->yypopstate();
}
function yylex3()
{
$tokenMap = array (
1 => 0,
);
if ($this->counter >= strlen($this->data)) {
return false; // end of input
}
$yy_global_pattern = "/^([^\n]+?(?=[ \t\r]*\n))/iS";
do {
if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception('Error: lexing failed because a rule matched' .
'an empty string. Input "' . substr($this->data,
$this->counter, 5) . '... state NAKED_STRING_VALUE');
}
next($yymatches); // skip global match
$this->token = key($yymatches); // token number
if ($tokenMap[$this->token]) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, $this->token + 1,
$tokenMap[$this->token]);
} else {
$yysubmatches = array();
}
$this->value = current($yymatches); // token value
$r = $this->{'yy_r3_' . $this->token}($yysubmatches);
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($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
$this->yypopstate();
}
function yylex4()
{
$tokenMap = array (
1 => 0,
2 => 0,
3 => 0,
);
if ($this->counter >= strlen($this->data)) {
return false; // end of input
}
$yy_global_pattern = "/^([ \t\r]+)|^([^\n]+?(?=[ \t\r]*\n))|^(\n)/iS";
do {
if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception('Error: lexing failed because a rule matched' .
'an empty string. Input "' . substr($this->data,
$this->counter, 5) . '... state COMMENT');
}
next($yymatches); // skip global match
$this->token = key($yymatches); // token number
if ($tokenMap[$this->token]) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, $this->token + 1,
$tokenMap[$this->token]);
} else {
$yysubmatches = array();
}
$this->value = current($yymatches); // token value
$r = $this->{'yy_r4_' . $this->token}($yysubmatches);
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($yy_subpatterns)
{
return false;
}
function yy_r4_2($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NAKED_STRING;
}
function yy_r4_3($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_NEWLINE;
$this->yypopstate();
}
function yylex5()
{
$tokenMap = array (
1 => 0,
2 => 0,
);
if ($this->counter >= strlen($this->data)) {
return false; // end of input
}
$yy_global_pattern = "/^(\\.)|^(.*?(?=[\.=[\]\r\n]))/iS";
do {
if (preg_match($yy_global_pattern, substr($this->data, $this->counter), $yymatches)) {
$yysubmatches = $yymatches;
$yymatches = array_filter($yymatches, 'strlen'); // remove empty sub-patterns
if (!count($yymatches)) {
throw new Exception('Error: lexing failed because a rule matched' .
'an empty string. Input "' . substr($this->data,
$this->counter, 5) . '... state SECTION');
}
next($yymatches); // skip global match
$this->token = key($yymatches); // token number
if ($tokenMap[$this->token]) {
// extract sub-patterns for passing to lex function
$yysubmatches = array_slice($yysubmatches, $this->token + 1,
$tokenMap[$this->token]);
} else {
$yysubmatches = array();
}
$this->value = current($yymatches); // token value
$r = $this->{'yy_r5_' . $this->token}($yysubmatches);
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($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_DOT;
}
function yy_r5_2($yy_subpatterns)
{
$this->token = Smarty_Internal_Configfileparser::TPC_SECTION;
$this->yypopstate();
}
}
?>