lexer_class = $lexer_class; $this->parser_class = $parser_class; } /** * method to compile a Smarty template * * @param mixed $_content template source * @param bool $isTemplateSource * * @return bool true if compiling succeeded, false if it failed * @throws \SmartyCompilerException */ protected function doCompile($_content, $isTemplateSource = false) { /* here is where the compiling takes place. Smarty tags in the templates are replaces with PHP code, then written to compiled files. */ // init the lexer/parser to compile the template $this->parser = new $this->parser_class(new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $_content), $this), $this); if ($isTemplateSource && $this->template->caching) { $this->parser->insertPhpCode("compiled->nocache_hash = '{$this->nocache_hash}';\n?>\n"); } 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) { $this->parser->PrintTrace(); $this->parser->lex->PrintTrace(); } // get tokens from lexer and parse them while ($this->parser->lex->yylex()) { if ($this->smarty->_parserdebug) { echo "

Line {$this->parser->lex->line} Parsing  {$this->parser->yyTokenName[$this->parser->lex->token]} Token " .
                    htmlentities($this->parser->lex->value) . "

"; } $this->parser->doParse($this->parser->lex->token, $this->parser->lex->value); } // finish parsing process $this->parser->doParse(0, 0); if ($mbEncoding) { mb_internal_encoding($mbEncoding); } // check for unclosed tags if (count($this->_tag_stack) > 0) { // get stacked info list($openTag, $_data) = array_pop($this->_tag_stack); $this->trigger_template_error("unclosed {$this->smarty->left_delimiter}" . $openTag . "{$this->smarty->right_delimiter} tag"); } // call post compile callbacks foreach ($this->postCompileCallbacks as $cb) { $parameter = $cb; $parameter[0] = $this; call_user_func_array($cb[0], $parameter); } // return compiled code return $this->prefixCompiledCode . $this->parser->retvalue . $this->postfixCompiledCode; } /** * Register a post compile callback * - when the callback is called after template compiling the compiler object will be inserted as first parameter * * @param callback $callback * @param array $parameter optional parameter array * @param string $key optional key for callback * @param bool $replace if true replace existing keyed callback */ public function registerPostCompileCallback($callback, $parameter = array(), $key = null, $replace = false) { array_unshift($parameter, $callback); if (isset($key)) { if ($replace || !isset($this->postCompileCallbacks[$key])) { $this->postCompileCallbacks[$key] = $parameter; } } else { $this->postCompileCallbacks[] = $parameter; } } /** * Remove a post compile callback * * @param string $key callback key */ public function unregisterPostCompileCallback($key) { unset($this->postCompileCallbacks[$key]); } }