Mibew/handlebars.php
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Add {{else}} support to if

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This commit is contained in:
fzerorubigd 2012-11-17 15:52:51 +03:30
parent 600215d648
commit ec6761fde4
2 changed files with 54 additions and 9 deletions
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9
src/Handlebars/Helpers.php
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@ -70,14 +70,13 @@ class Handlebars_Helpers
'if', 'if',
function ($template, $context, $args, $source) { function ($template, $context, $args, $source) {
$tmp = $context->get($args); $tmp = $context->get($args);
$parts = explode('{{else}}', $source, 2);
$buffer = ''; $buffer = '';
if ($tmp) { if ($tmp) {
$buffer = $template->getEngine()->render($parts[0], $context); $buffer = $template->render($context, 'else');
$template->discard($context);
} else { } else {
if (isset($parts[1])) { $template->discard($context, 'else');
$buffer = $template->getEngine()->render($parts[1], $context); $buffer = $template->render($context);
}
} }
return $buffer; return $buffer;
} }

48
src/Handlebars/Template.php
View File

@ -93,10 +93,11 @@ class Handlebars_Template
* Render top tree * Render top tree
* *
* @param mixed $context current context * @param mixed $context current context
* @param string $waitFor return on this string
* *
* @return string * @return string
*/ */
public function render($context) public function render($context, $waitFor = false)
{ {
if (!$context instanceof Handlebars_Context) { if (!$context instanceof Handlebars_Context) {
$context = new Handlebars_Context($context); $context = new Handlebars_Context($context);
@ -108,6 +109,17 @@ class Handlebars_Template
while (array_key_exists($index, $tree)) { while (array_key_exists($index, $tree)) {
$current = $tree[$index]; $current = $tree[$index];
$index++; $index++;
//if the section is exactly like waitFor
if (is_string($waitFor)
&& $current[Handlebars_Tokenizer::TYPE] == Handlebars_Tokenizer::T_ESCAPED
&& $current[Handlebars_Tokenizer::NAME] === $waitFor
) {
//Ok break here, the helper should be aware of this.
$newStack = array_pop($this->_stack);
$newStack[0] = $index;
array_push($this->_stack, $newStack);
break;
}
switch ($current[Handlebars_Tokenizer::TYPE]) { switch ($current[Handlebars_Tokenizer::TYPE]) {
case Handlebars_Tokenizer::T_SECTION : case Handlebars_Tokenizer::T_SECTION :
$newStack = isset($current[Handlebars_Tokenizer::NODES]) ? $current[Handlebars_Tokenizer::NODES] : array(); $newStack = isset($current[Handlebars_Tokenizer::NODES]) ? $current[Handlebars_Tokenizer::NODES] : array();
@ -139,6 +151,40 @@ class Handlebars_Template
return $buffer; return $buffer;
} }
/**
* Discard top tree
*
* @param mixed $context current context
* @param string $waitFor return on this string
*
* @return string
*/
public function discard($context, $waitFor = false)
{
if (!$context instanceof Handlebars_Context) {
$context = new Handlebars_Context($context);
}
$topTree = end($this->_stack); //This method never pop a value from stack
list($index ,$tree) = $topTree;
while (array_key_exists($index, $tree)) {
$current = $tree[$index];
$index++;
//if the section is exactly like waitFor
if (is_string($waitFor)
&& $current[Handlebars_Tokenizer::TYPE] == Handlebars_Tokenizer::T_ESCAPED
&& $current[Handlebars_Tokenizer::NAME] === $waitFor
) {
//Ok break here, the helper should be aware of this.
$newStack = array_pop($this->_stack);
$newStack[0] = $index;
array_push($this->_stack, $newStack);
break;
}
}
return '';
}
/** /**
* Process section nodes * Process section nodes
* *