Вход Регистрация
Файл: vendor/twig/twig/lib/Twig/Node/Module.php
Строк: 364
<?php

/*
 * This file is part of Twig.
 *
 * (c) 2009 Fabien Potencier
 * (c) 2009 Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Represents a module node.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Twig_Node_Module extends Twig_Node
{
    public function 
__construct(Twig_NodeInterface $bodyTwig_Node_Expression $parent nullTwig_NodeInterface $blocksTwig_NodeInterface $macrosTwig_NodeInterface $traits$embeddedTemplates$filename)
    {
        
// embedded templates are set as attributes so that they are only visited once by the visitors
        
parent::__construct(array('parent' => $parent'body' => $body'blocks' => $blocks'macros' => $macros'traits' => $traits), array('filename' => $filename'index' => null'embedded_templates' => $embeddedTemplates), 1);
    }

    public function 
setIndex($index)
    {
        
$this->setAttribute('index'$index);
    }

    
/**
     * Compiles the node to PHP.
     *
     * @param Twig_Compiler A Twig_Compiler instance
     */
    
public function compile(Twig_Compiler $compiler)
    {
        
$this->compileTemplate($compiler);

        foreach (
$this->getAttribute('embedded_templates') as $template) {
            
$compiler->subcompile($template);
        }
    }

    protected function 
compileTemplate(Twig_Compiler $compiler)
    {
        if (!
$this->getAttribute('index')) {
            
$compiler->write('<?php');
        }

        
$this->compileClassHeader($compiler);

        if (
count($this->getNode('blocks')) || count($this->getNode('traits')) || null === $this->getNode('parent') || $this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
            
$this->compileConstructor($compiler);
        }

        
$this->compileGetParent($compiler);

        
$this->compileDisplayHeader($compiler);

        
$this->compileDisplayBody($compiler);

        
$this->compileDisplayFooter($compiler);

        
$compiler->subcompile($this->getNode('blocks'));

        
$this->compileMacros($compiler);

        
$this->compileGetTemplateName($compiler);

        
$this->compileIsTraitable($compiler);

        
$this->compileDebugInfo($compiler);

        
$this->compileClassFooter($compiler);
    }

    protected function 
compileGetParent(Twig_Compiler $compiler)
    {
        if (
null === $this->getNode('parent')) {
            return;
        }

        
$compiler
            
->write("protected function doGetParent(array $context)n""{n")
            ->
indent()
            ->
write("return ")
        ;

        if (
$this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
            
$compiler->subcompile($this->getNode('parent'));
        } else {
            
$compiler
                
->raw("$this->env->resolveTemplate(")
                ->
subcompile($this->getNode('parent'))
                ->
raw(")")
            ;
        }

        
$compiler
            
->raw(";n")
            ->
outdent()
            ->
write("}nn")
        ;
    }

    protected function 
compileDisplayBody(Twig_Compiler $compiler)
    {
        
$compiler->subcompile($this->getNode('body'));

        if (
null !== $this->getNode('parent')) {
            if (
$this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
                
$compiler->write("$this->parent");
            } else {
                
$compiler->write("$this->getParent($context)");
            }
            
$compiler->raw("->display($context, array_merge($this->blocks$blocks));n");
        }
    }

    protected function 
compileClassHeader(Twig_Compiler $compiler)
    {
        
$compiler
            
->write("nn")
            
// if the filename contains */, add a blank to avoid a PHP parse error
            
->write("/* ".str_replace('*/''* /'$this->getAttribute('filename'))." */n")
            ->
write('class '.$compiler->getEnvironment()->getTemplateClass($this->getAttribute('filename'), $this->getAttribute('index')))
            ->
raw(sprintf(" extends %sn"$compiler->getEnvironment()->getBaseTemplateClass()))
            ->
write("{n")
            ->
indent()
        ;
    }

    protected function 
compileConstructor(Twig_Compiler $compiler)
    {
        
$compiler
            
->write("public function __construct(Twig_Environment $env)n""{n")
            ->
indent()
            ->
write("parent::__construct($env);nn")
        ;

        
// parent
        
if (null === $this->getNode('parent')) {
            
$compiler->write("$this->parent = false;nn");
        } elseif (
$this->getNode('parent') instanceof Twig_Node_Expression_Constant) {
            
$compiler
                
->write("$this->parent = $this->env->loadTemplate(")
                ->
subcompile($this->getNode('parent'))
                ->
raw(");nn")
            ;
        }

        
$countTraits count($this->getNode('traits'));
        if (
$countTraits) {
            
// traits
            
foreach ($this->getNode('traits') as $i => $trait) {
                
$this->compileLoadTemplate($compiler$trait->getNode('template'), sprintf('$_trait_%s'$i));

                
$compiler
                    
->addDebugInfo($trait->getNode('template'))
                    ->
write(sprintf("if (!$_trait_%s->isTraitable()) {n"$i))
                    ->
indent()
                    ->
write("throw new Twig_Error_Runtime('Template "'.")
                    ->subcompile($trait->getNode('
template'))
                    ->raw(".'" cannot be used as a trait.');n"
)
                    ->
outdent()
                    ->
write("}n")
                    ->
write(sprintf("$_trait_%s_blocks = $_trait_%s->getBlocks();nn"$i$i))
                ;

                foreach (
$trait->getNode('targets') as $key => $value) {
                    
$compiler
                        
->write(sprintf("$_trait_%s_blocks["$i))
                        ->
subcompile($value)
                        ->
raw(sprintf("] = $_trait_%s_blocks["$i))
                        ->
string($key)
                        ->
raw(sprintf("]; unset($_trait_%s_blocks["$i))
                        ->
string($key)
                        ->
raw("]);nn")
                    ;
                }
            }

            if (
$countTraits 1) {
                
$compiler
                    
->write("$this->traits = array_merge(n")
                    ->
indent()
                ;

                for (
$i 0$i $countTraits$i++) {
                    
$compiler
                        
->write(sprintf("$_trait_%s_blocks".($i == $countTraits '' ',')."n"$i))
                    ;
                }

                
$compiler
                    
->outdent()
                    ->
write(");nn")
                ;
            } else {
                
$compiler
                    
->write("$this->traits = $_trait_0_blocks;nn")
                ;
            }

            
$compiler
                
->write("$this->blocks = array_merge(n")
                ->
indent()
                ->
write("$this->traits,n")
                ->
write("array(n")
            ;
        } else {
            
$compiler
                
->write("$this->blocks = array(n")
            ;
        }

        
// blocks
        
$compiler
            
->indent()
        ;

        foreach (
$this->getNode('blocks') as $name => $node) {
            
$compiler
                
->write(sprintf("'%s' => array($this, 'block_%s'),n"$name$name))
            ;
        }

        if (
$countTraits) {
            
$compiler
                
->outdent()
                ->
write(")n")
            ;
        }

        
$compiler
            
->outdent()
            ->
write(");n")
            ->
outdent()
            ->
write("}nn");
        ;
    }

    protected function 
compileDisplayHeader(Twig_Compiler $compiler)
    {
        
$compiler
            
->write("protected function doDisplay(array $context, array $blocks = array())n""{n")
            ->
indent()
        ;
    }

    protected function 
compileDisplayFooter(Twig_Compiler $compiler)
    {
        
$compiler
            
->outdent()
            ->
write("}nn")
        ;
    }

    protected function 
compileClassFooter(Twig_Compiler $compiler)
    {
        
$compiler
            
->outdent()
            ->
write("}n")
        ;
    }

    protected function 
compileMacros(Twig_Compiler $compiler)
    {
        
$compiler->subcompile($this->getNode('macros'));
    }

    protected function 
compileGetTemplateName(Twig_Compiler $compiler)
    {
        
$compiler
            
->write("public function getTemplateName()n""{n")
            ->
indent()
            ->
write('return ')
            ->
repr($this->getAttribute('filename'))
            ->
raw(";n")
            ->
outdent()
            ->
write("}nn")
        ;
    }

    protected function 
compileIsTraitable(Twig_Compiler $compiler)
    {
        
// A template can be used as a trait if:
        //   * it has no parent
        //   * it has no macros
        //   * it has no body
        //
        // Put another way, a template can be used as a trait if it
        // only contains blocks and use statements.
        
$traitable null === $this->getNode('parent') && === count($this->getNode('macros'));
        if (
$traitable) {
            if (
$this->getNode('body') instanceof Twig_Node_Body) {
                
$nodes $this->getNode('body')->getNode(0);
            } else {
                
$nodes $this->getNode('body');
            }

            if (!
count($nodes)) {
                
$nodes = new Twig_Node(array($nodes));
            }

            foreach (
$nodes as $node) {
                if (!
count($node)) {
                    continue;
                }

                if (
$node instanceof Twig_Node_Text && ctype_space($node->getAttribute('data'))) {
                    continue;
                }

                if (
$node instanceof Twig_Node_BlockReference) {
                    continue;
                }

                
$traitable false;
                break;
            }
        }

        if (
$traitable) {
            return;
        }

        
$compiler
            
->write("public function isTraitable()n""{n")
            ->
indent()
            ->
write(sprintf("return %s;n"$traitable 'true' 'false'))
            ->
outdent()
            ->
write("}nn")
        ;
    }

    protected function 
compileDebugInfo(Twig_Compiler $compiler)
    {
        
$compiler
            
->write("public function getDebugInfo()n""{n")
            ->
indent()
            ->
write(sprintf("return %s;n"str_replace("n"''var_export(array_reverse($compiler->getDebugInfo(), true), true))))
            ->
outdent()
            ->
write("}n")
        ;
    }

    protected function 
compileLoadTemplate(Twig_Compiler $compiler$node$var)
    {
        if (
$node instanceof Twig_Node_Expression_Constant) {
            
$compiler
                
->write(sprintf("%s = $this->env->loadTemplate("$var))
                ->
subcompile($node)
                ->
raw(");n")
            ;
        } else {
            
$compiler
                
->write(sprintf("%s = "$var))
                ->
subcompile($node)
                ->
raw(";n")
                ->
write(sprintf("if (!%s"$var))
                ->
raw(" instanceof Twig_Template) {n")
                ->
indent()
                ->
write(sprintf("%s = $this->env->loadTemplate(%s);n"$var$var))
                ->
outdent()
                ->
write("}n")
            ;
        }
    }
}
Онлайн: 0
Реклама