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75 lines
2.3 KiB
PHP
75 lines
2.3 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Smarty Template Compiler Base
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*
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* This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
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*
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* @package Smarty
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* @subpackage Compiler
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* @author Uwe Tews
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*/
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/**
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* Class SmartyTemplateCompiler
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*/
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class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
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/**
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* Initialize compiler
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*/
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public function __construct($lexer_class, $parser_class, $smarty)
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{
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$this->smarty = $smarty;
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parent::__construct();
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// get required plugins
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$this->smarty->loadPlugin($lexer_class);
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$this->smarty->loadPlugin($parser_class);
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$this->lexer_class = $lexer_class;
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$this->parser_class = $parser_class;
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}
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/**
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* Methode to compile a Smarty template
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*
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* @param $_content template source
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* @return bool true if compiling succeeded, false if it failed
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*/
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protected function doCompile($_content)
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{
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/* here is where the compiling takes place. Smarty
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tags in the templates are replaces with PHP code,
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then written to compiled files. */
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// init the lexer/parser to compile the template
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$lex = new $this->lexer_class($_content,$this->smarty);
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$parser = new $this->parser_class($lex, $this);
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// $parser->PrintTrace();
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// get tokens from lexer and parse them
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while ($lex->yylex() && !$this->abort_and_recompile) {
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// echo "<br>Parsing {$parser->yyTokenName[$lex->token]} Token {$lex->value} Line {$lex->line} \n";
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$parser->doParse($lex->token, $lex->value);
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}
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if ($this->abort_and_recompile) {
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// exit here on abort
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return false;
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}
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// finish parsing process
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$parser->doParse(0, 0);
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// check for unclosed tags
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if (count($this->_tag_stack) > 0) {
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// get stacked info
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list($_open_tag, $_data) = array_pop($this->_tag_stack);
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$this->trigger_template_error("unclosed {" . $_open_tag . "} tag");
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}
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if (!$this->compile_error) {
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// return compiled code
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return $parser->retvalue;
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} else {
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// compilation error
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return false;
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}
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}
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}
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?>
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