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Template sections as functions.

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This creates DRYer output and shallower nested blocks in compiled templates.
This commit is contained in:
Justin Hileman
2012-03-05 17:56:43 -08:00
parent a196ac8dab
commit 628aa02f05
1 changed files with 39 additions and 21 deletions
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src/Mustache/Compiler.php
+39 -21
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@@ -18,6 +18,9 @@ namespace Mustache;
*/
class Compiler {
private $sections;
private $source;
/**
* Compile a Mustache token parse tree into PHP source code.
*
@@ -28,7 +31,8 @@ class Compiler {
* @return string Generated PHP source code
*/
public function compile($source, array $tree, $name) {
$this->source = $source;
$this->sections = array();
$this->source = $source;
return $this->writeCode($tree, $name);
}
@@ -106,12 +110,12 @@ class Compiler {
class %s extends \Mustache\Template {
public function renderInternal(\Mustache\Context $context, $indent = \'\') {
$mustache = $this->mustache;
$buffer = new \Mustache\Buffer($indent, $mustache->getCharset());
$buffer = new \Mustache\Buffer($indent, $this->mustache->getCharset());
%s
return $buffer->flush();
}
%s
}';
/**
@@ -123,24 +127,32 @@ class Compiler {
* @return string Generated PHP source code
*/
private function writeCode($tree, $name) {
return sprintf($this->prepare(self::KLASS, 0, false), $name, $this->walk($tree), $name);
$code = $this->walk($tree);
$sections = implode("\n", $this->sections);
return sprintf($this->prepare(self::KLASS, 0, false), $name, $code, $sections);
}
const SECTION = '
const SECTION_CALL = '
// %s section
$value = $context->%s(%s);
if ($context->isCallable($value)) {
$source = %s;
$buffer->write(
$mustache
->loadLambda((string) call_user_func($value, $source)%s)
->renderInternal($context, $buffer->getIndent())
);
} elseif ($context->isTruthy($value)) {
$values = $context->isIterable($value) ? $value : array($value);
foreach ($values as $value) {
$context->push($value);%s
$context->pop();
$this->section%s($buffer, $context, $context->%s(%s));
';
const SECTION = '
private function section%s(\Mustache\Buffer $buffer, \Mustache\Context $context, $value) {
if ($context->isCallable($value)) {
$source = %s;
$buffer->write(
$this->mustache
->loadLambda((string) call_user_func($value, $source)%s)
->renderInternal($context, $buffer->getIndent())
);
} elseif ($context->isTruthy($value)) {
$values = $context->isIterable($value) ? $value : array($value);
foreach ($values as $value) {
$context->push($value);%s
$context->pop();
}
}
}';
@@ -168,7 +180,13 @@ class Compiler {
$delims = '';
}
return sprintf($this->prepare(self::SECTION, $level), $id, $method, $id, $source, $delims, $this->walk($nodes, $level + 1));
$key = ucfirst(md5($delims."\n".$source));
if (!isset($this->sections[$key])) {
$this->sections[$key] = sprintf($this->prepare(self::SECTION), $key, $source, $delims, $this->walk($nodes, 2));
}
return sprintf($this->prepare(self::SECTION_CALL, $level), $id, $key, $method, $id);
}
const INVERTED_SECTION = '
@@ -193,7 +211,7 @@ class Compiler {
return sprintf($this->prepare(self::INVERTED_SECTION, $level), $id, $method, $id, $this->walk($nodes, $level));
}
const PARTIAL = '$buffer->write($mustache->loadPartial(%s)->renderInternal($context, %s));';
const PARTIAL = '$buffer->write($this->mustache->loadPartial(%s)->renderInternal($context, %s));';
/**
* Generate Mustache Template partial call PHP source.
@@ -215,7 +233,7 @@ class Compiler {
const VARIABLE = '
$value = $context->%s(%s);
if ($context->isCallable($value)) {
$value = $mustache
$value = $this->mustache
->loadLambda((string) call_user_func($value))
->renderInternal($context, $buffer->getIndent());
}