library/smarty/libs/sysplugins/smarty_internal_smartytemplatecompiler.php
author Markus Bröker <broeker.markus@googlemail.com>
Fri, 13 Nov 2015 03:24:01 +0100
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parent 0 4869aea77e21
permissions -rw-r--r--
Überarbeitete MVC-Struktur, die ich jetzt auch nachvollziehen kann.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<?php
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/**
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 * Smarty Internal Plugin Smarty Template Compiler Base
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 * This file contains the basic classes and methods 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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 * @ignore
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 */
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//include 'smarty_internal_parsetree.php';
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/**
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 * Class SmartyTemplateCompiler
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 *
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 * @package    Smarty
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 * @subpackage Compiler
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 */
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class Smarty_Internal_SmartyTemplateCompiler extends Smarty_Internal_TemplateCompilerBase {
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    /**
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     * Lexer class name
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     *
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     * @var string
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     */
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    public $lexer_class;
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    /**
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     * Parser class name
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     *
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     * @var string
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     */
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    public $parser_class;
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    /**
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     * Lexer object
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     *
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     * @var object
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     */
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    public $lex;
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    /**
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     * Parser object
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     *
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     * @var object
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     */
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    public $parser;
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    /**
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     * array of vars which can be compiled in local scope
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     *
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     * @var array
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     */
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    public $local_var = array();
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    /**
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     * Initialize compiler
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     *
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     * @param string $lexer_class class name
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     * @param string $parser_class class name
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     * @param Smarty $smarty global instance
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     */
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    public function __construct($lexer_class, $parser_class, $smarty) {
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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->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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     * method to compile a Smarty template
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     *
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     * @param  mixed $_content template source
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     *
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     * @return bool  true if compiling succeeded, false if it failed
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     */
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    protected function doCompile($_content, $isTemplateSource = false) {
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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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        $this->lex = new $this->lexer_class(str_replace(array("\r\n", "\r"), "\n", $_content), $this);
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        $this->parser = new $this->parser_class($this->lex, $this);
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        if ($isTemplateSource) {
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            $this->parser->insertPhpCode("<?php\n\$_smarty_tpl->properties['nocache_hash'] = '{$this->nocache_hash}';\n?>\n");
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        }
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        if ($this->inheritance_child) {
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            // start state on child templates
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            $this->lex->yypushstate(Smarty_Internal_Templatelexer::CHILDBODY);
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        }
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        if (function_exists('mb_internal_encoding') && ((int)ini_get('mbstring.func_overload')) & 2) {
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            $mbEncoding = mb_internal_encoding();
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            mb_internal_encoding('ASCII');
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        } else {
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            $mbEncoding = null;
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        }
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        if ($this->smarty->_parserdebug) {
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            $this->parser->PrintTrace();
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            $this->lex->PrintTrace();
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        }
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        // get tokens from lexer and parse them
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        while ($this->lex->yylex() && !$this->abort_and_recompile) {
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            if ($this->smarty->_parserdebug) {
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                echo "<pre>Line {$this->lex->line} Parsing  {$this->parser->yyTokenName[$this->lex->token]} Token " .
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                    htmlentities($this->lex->value) . "</pre>";
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            }
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            $this->parser->doParse($this->lex->token, $this->lex->value);
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        }
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        if ($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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        $this->parser->doParse(0, 0);
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        if ($mbEncoding) {
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            mb_internal_encoding($mbEncoding);
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        }
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        // check for unclosed tags
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        if (count($this->_tag_stack) > 0) {
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            // get stacked info
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            list($openTag, $_data) = array_pop($this->_tag_stack);
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            $this->trigger_template_error("unclosed {$this->smarty->left_delimiter}" . $openTag . "{$this->smarty->right_delimiter} tag");
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        }
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        // return compiled code
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        // return str_replace(array("? >\n<?php","? ><?php"), array('',''), $this->parser->retvalue);
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        return $this->parser->retvalue;
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    }
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}