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/**
* Smarty Internal Plugin Configfileparser
*
* This is the config file parser
*
*
* @package Smarty
* @subpackage Config
* @author Uwe Tews
*/
%name TPC_
%declare_class {
/**
* Smarty Internal Plugin Configfileparse
*
* This is the config file parser.
* It is generated from the smarty_internal_configfileparser.y file
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
class Smarty_Internal_Configfileparser
}
%include_class
{
/**
* result status
*
* @var bool
*/
public $successful = true;
/**
* return value
*
* @var mixed
*/
public $retvalue = 0;
/**
* @var
*/
public $yymajor;
/**
* lexer object
*
* @var Smarty_Internal_Configfilelexer
*/
private $lex;
/**
* internal error flag
*
* @var bool
*/
private $internalError = false;
/**
* compiler object
*
* @var Smarty_Internal_Config_File_Compiler
*/
public $compiler = null;
/**
* smarty object
*
* @var Smarty
*/
public $smarty = null;
/**
* copy of config_overwrite property
*
* @var bool
*/
private $configOverwrite = false;
/**
* copy of config_read_hidden property
*
* @var bool
*/
private $configReadHidden = false;
/**
* helper map
*
* @var array
*/
private static $escapes_single = Array('\\' => '\\',
'\'' => '\'');
/**
* constructor
*
* @param Smarty_Internal_Configfilelexer $lex
* @param Smarty_Internal_Config_File_Compiler $compiler
*/
function __construct(Smarty_Internal_Configfilelexer $lex, Smarty_Internal_Config_File_Compiler $compiler)
{
$this->lex = $lex;
$this->smarty = $compiler->smarty;
$this->compiler = $compiler;
$this->configOverwrite = $this->smarty->config_overwrite;
$this->configReadHidden = $this->smarty->config_read_hidden;
}
/**
* parse optional boolean keywords
*
* @param string $str
*
* @return bool
*/
private function parse_bool($str)
{
$str = strtolower($str);
if (in_array($str, array('on', 'yes', 'true'))) {
$res = true;
} else {
$res = false;
}
return $res;
}
/**
* parse single quoted string
* remove outer quotes
* unescape inner quotes
*
* @param string $qstr
*
* @return string
*/
private static function parse_single_quoted_string($qstr)
{
$escaped_string = substr($qstr, 1, strlen($qstr) - 2); //remove outer quotes
$ss = preg_split('/(\\\\.)/', $escaped_string, - 1, PREG_SPLIT_DELIM_CAPTURE);
$str = "";
foreach ($ss as $s) {
if (strlen($s) === 2 && $s[0] === '\\') {
if (isset(self::$escapes_single[$s[1]])) {
$s = self::$escapes_single[$s[1]];
}
}
$str .= $s;
}
return $str;
}
/**
* parse double quoted string
*
* @param string $qstr
*
* @return string
*/
private static function parse_double_quoted_string($qstr)
{
$inner_str = substr($qstr, 1, strlen($qstr) - 2);
return stripcslashes($inner_str);
}
/**
* parse triple quoted string
*
* @param string $qstr
*
* @return string
*/
private static function parse_tripple_double_quoted_string($qstr)
{
return stripcslashes($qstr);
}
/**
* set a config variable in target array
*
* @param array $var
* @param array $target_array
*/
private function set_var(Array $var, Array &$target_array)
{
$key = $var["key"];
$value = $var["value"];
if ($this->configOverwrite || !isset($target_array['vars'][$key])) {
$target_array['vars'][$key] = $value;
} else {
settype($target_array['vars'][$key], 'array');
$target_array['vars'][$key][] = $value;
}
}
/**
* add config variable to global vars
*
* @param array $vars
*/
private function add_global_vars(Array $vars)
{
if (!isset($this->compiler->config_data['vars'])) {
$this->compiler->config_data['vars'] = Array();
}
foreach ($vars as $var) {
$this->set_var($var, $this->compiler->config_data);
}
}
/**
* add config variable to section
*
* @param string $section_name
* @param array $vars
*/
private function add_section_vars($section_name, Array $vars)
{
if (!isset($this->compiler->config_data['sections'][$section_name]['vars'])) {
$this->compiler->config_data['sections'][$section_name]['vars'] = Array();
}
foreach ($vars as $var) {
$this->set_var($var, $this->compiler->config_data['sections'][$section_name]);
}
}
}
%token_prefix TPC_
%parse_accept
{
$this->successful = !$this->internalError;
$this->internalError = false;
$this->retvalue = $this->_retvalue;
}
%syntax_error
{
$this->internalError = true;
$this->yymajor = $yymajor;
$this->compiler->trigger_config_file_error();
}
%stack_overflow
{
$this->internalError = true;
$this->compiler->trigger_config_file_error("Stack overflow in configfile parser");
}
// Complete config file
start(res) ::= global_vars sections. {
res = null;
}
// Global vars
global_vars(res) ::= var_list(vl). {
$this->add_global_vars(vl);
res = null;
}
// Sections
sections(res) ::= sections section. {
res = null;
}
sections(res) ::= . {
res = null;
}
section(res) ::= OPENB SECTION(i) CLOSEB newline var_list(vars). {
$this->add_section_vars(i, vars);
res = null;
}
section(res) ::= OPENB DOT SECTION(i) CLOSEB newline var_list(vars). {
if ($this->configReadHidden) {
$this->add_section_vars(i, vars);
}
res = null;
}
// Var list
var_list(res) ::= var_list(vl) newline. {
res = vl;
}
var_list(res) ::= var_list(vl) var(v). {
res = array_merge(vl, Array(v));
}
var_list(res) ::= . {
res = Array();
}
// Var
var(res) ::= ID(id) EQUAL value(v). {
res = Array("key" => id, "value" => v);
}
value(res) ::= FLOAT(i). {
res = (float) i;
}
value(res) ::= INT(i). {
res = (int) i;
}
value(res) ::= BOOL(i). {
res = $this->parse_bool(i);
}
value(res) ::= SINGLE_QUOTED_STRING(i). {
res = self::parse_single_quoted_string(i);
}
value(res) ::= DOUBLE_QUOTED_STRING(i). {
res = self::parse_double_quoted_string(i);
}
value(res) ::= TRIPPLE_QUOTES(i) TRIPPLE_TEXT(c) TRIPPLE_QUOTES_END(ii). {
res = self::parse_tripple_double_quoted_string(c);
}
value(res) ::= TRIPPLE_QUOTES(i) TRIPPLE_QUOTES_END(ii). {
res = '';
}
value(res) ::= NAKED_STRING(i). {
res = i;
}
// NOTE: this is not a valid rule
// It is added hier to produce a usefull error message on a missing '=';
value(res) ::= OTHER(i). {
res = i;
}
// Newline and comments
newline(res) ::= NEWLINE. {
res = null;
}
newline(res) ::= COMMENTSTART NEWLINE. {
res = null;
}
newline(res) ::= COMMENTSTART NAKED_STRING NEWLINE. {
res = null;
}
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