diff options
Diffstat (limited to 'lib/smarty3/sysplugins/smarty_internal_config_file_compiler.php')
| -rw-r--r-- | lib/smarty3/sysplugins/smarty_internal_config_file_compiler.php | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/lib/smarty3/sysplugins/smarty_internal_config_file_compiler.php b/lib/smarty3/sysplugins/smarty_internal_config_file_compiler.php new file mode 100644 index 0000000..1afb92c --- /dev/null +++ b/lib/smarty3/sysplugins/smarty_internal_config_file_compiler.php @@ -0,0 +1,199 @@ +<?php +/** + * Smarty Internal Plugin Config File Compiler + * This is the config file compiler class. It calls the lexer and parser to + * perform the compiling. + * + * @package Smarty + * @subpackage Config + * @author Uwe Tews + */ + +/** + * Main config file compiler class + * + * @package Smarty + * @subpackage Config + */ +class Smarty_Internal_Config_File_Compiler +{ + /** + * Lexer class name + * + * @var string + */ + public $lexer_class; + + /** + * Parser class name + * + * @var string + */ + public $parser_class; + + /** + * Lexer object + * + * @var object + */ + public $lex; + + /** + * Parser object + * + * @var object + */ + public $parser; + + /** + * Smarty object + * + * @var Smarty object + */ + public $smarty; + + /** + * Smarty object + * + * @var Smarty_Internal_Template object + */ + public $template; + + /** + * Compiled config data sections and variables + * + * @var array + */ + public $config_data = array(); + + /** + * compiled config data must always be written + * + * @var bool + */ + public $write_compiled_code = true; + + /** + * Initialize compiler + * + * @param string $lexer_class class name + * @param string $parser_class class name + * @param Smarty $smarty global instance + */ + public function __construct($lexer_class, $parser_class, Smarty $smarty) + { + $this->smarty = $smarty; + // get required plugins + $this->lexer_class = $lexer_class; + $this->parser_class = $parser_class; + $this->smarty = $smarty; + $this->config_data[ 'sections' ] = array(); + $this->config_data[ 'vars' ] = array(); + } + + /** + * Method to compile Smarty config source. + * + * @param Smarty_Internal_Template $template + * + * @return bool true if compiling succeeded, false if it failed + */ + public function compileTemplate(Smarty_Internal_Template $template) + { + $this->template = $template; + $this->template->compiled->file_dependency[ $this->template->source->uid ] = + array($this->template->source->filepath, $this->template->source->getTimeStamp(), + $this->template->source->type); + if ($this->smarty->debugging) { + if (!isset( $this->smarty->_debug)) { + $this->smarty->_debug = new Smarty_Internal_Debug(); + } + $this->smarty->_debug->start_compile($this->template); + } + // init the lexer/parser to compile the config file + /* @var Smarty_Internal_ConfigFileLexer $lex */ + $lex = new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $template->source->getContent()) . "\n", + $this); + /* @var Smarty_Internal_ConfigFileParser $parser */ + $parser = new $this->parser_class($lex, $this); + + if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) { + $mbEncoding = mb_internal_encoding(); + mb_internal_encoding('ASCII'); + } else { + $mbEncoding = null; + } + + if ($this->smarty->_parserdebug) { + $parser->PrintTrace(); + } + // get tokens from lexer and parse them + while ($lex->yylex()) { + if ($this->smarty->_parserdebug) { + echo "<br>Parsing {$parser->yyTokenName[$lex->token]} Token {$lex->value} Line {$lex->line} \n"; + } + $parser->doParse($lex->token, $lex->value); + } + // finish parsing process + $parser->doParse(0, 0); + + if ($mbEncoding) { + mb_internal_encoding($mbEncoding); + } + if ($this->smarty->debugging) { + $this->smarty->_debug->end_compile($this->template); + } + // template header code + $template_header = + "<?php /* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . + "\n"; + $template_header .= " compiled from \"" . $this->template->source->filepath . "\" */ ?>\n"; + + $code = '<?php $_smarty_tpl->smarty->ext->configLoad->_loadConfigVars($_smarty_tpl, ' . + var_export($this->config_data, true) . '); ?>'; + return $template_header . $this->template->smarty->ext->_codeFrame->create($this->template, $code); + } + + /** + * display compiler error messages without dying + * If parameter $args is empty it is a parser detected syntax error. + * In this case the parser is called to obtain information about expected tokens. + * If parameter $args contains a string this is used as error message + * + * @param string $args individual error message or null + * + * @throws SmartyCompilerException + */ + public function trigger_config_file_error($args = null) + { + $this->lex = Smarty_Internal_Configfilelexer::instance(); + $this->parser = Smarty_Internal_Configfileparser::instance(); + // get config source line which has error + $line = $this->lex->line; + if (isset($args)) { + // $line--; + } + $match = preg_split("/\n/", $this->lex->data); + $error_text = + "Syntax error in config file '{$this->template->source->filepath}' on line {$line} '{$match[$line - 1]}' "; + if (isset($args)) { + // individual error message + $error_text .= $args; + } else { + // expected token from parser + foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) { + $exp_token = $this->parser->yyTokenName[ $token ]; + if (isset($this->lex->smarty_token_names[ $exp_token ])) { + // token type from lexer + $expect[] = '"' . $this->lex->smarty_token_names[ $exp_token ] . '"'; + } else { + // otherwise internal token name + $expect[] = $this->parser->yyTokenName[ $token ]; + } + } + // output parser error message + $error_text .= ' - Unexpected "' . $this->lex->value . '", expected one of: ' . implode(' , ', $expect); + } + throw new SmartyCompilerException($error_text); + } +} |