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Implement support for custom functions #115

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oyejorge merged 3 commits into from
May 3, 2014
Merged

Implement support for custom functions #115

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86d9895
Implement custom function support
nyordanov Apr 13, 2014
6412f23
test custom functions
nyordanov Apr 13, 2014
44479b9
php5.2-compatible tests
nyordanov Apr 13, 2014
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Implement custom function support
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@nyordanov
nyordanov committed Apr 13, 2014
commit 86d9895c9c4b17d92d2ddd231bd1ea2a9e51b2ee
5 changes: 5 additions & 0 deletions lib/Less/Environment.php
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Expand Up @@ -47,6 +47,11 @@ class Less_Environment{

public static $mixin_stack = 0;

/**
* @var array
*/
public $functions = array();


public function Init(){

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18 changes: 18 additions & 0 deletions lib/Less/Parser.php
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Expand Up @@ -139,7 +139,25 @@ public function SetOption($option,$value){
Less_Parser::$options[$option] = $value;
}

/**
* Registers a new custom function
*
* @param string $name function name
* @param callable $callback callback
*/
public function registerFunction($name, $callback) {
$this->env->functions[$name] = $callback;
}

/**
* Removed an already registered function
*
* @param string $name function name
*/
public function unregisterFunction($name) {
if( isset($this->env->functions[$name]) )
unset($this->env->functions[$name]);
}


/**
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6 changes: 6 additions & 0 deletions lib/Less/Tree/Call.php
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Expand Up @@ -79,6 +79,12 @@ public function compile($env=null){
} catch (Exception $e) {
throw new Less_Exception_Compiler('error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index);
}
} elseif( isset( $env->functions[$nameLC] ) && is_callable( $env->functions[$nameLC] ) ) {
try {
$result = call_user_func_array( $env->functions[$nameLC], $args );
} catch (Exception $e) {
throw new Less_Exception_Compiler('error evaluating function `' . $this->name . '` '.$e->getMessage().' index: '. $this->index);
}
}
}

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