function smarty_block_less($params, $content, Smarty_Internal_Template $template, $open)
{
/** @var CM_Frontend_Render $render */
$render = $template->smarty->getTemplateVars('render');
$assetCss = new CM_Asset_Css($render);
$assetCss->addVariables();
$assetCss->add($content);
return $assetCss->get();
}
function smarty_function_lessVariable(array $params, Smarty_Internal_Template $template)
{
/** @var CM_Frontend_Render $render */
$render = $template->smarty->getTemplateVars('render');
$variableName = (string) $params['name'];
$assetCss = new CM_Asset_Css($render);
$assetCss->addVariables();
$assetCss->add('foo:@' . $variableName);
$css = $assetCss->get(true);
if (!preg_match('/^foo:(.+);$/', $css, $matches)) {
throw new CM_Exception_Invalid('Cannot detect variable `' . $variableName . '` from CSS `' . $css . '`.');
}
return $matches[1];
}
public function testAdd()
{
$render = new CM_Frontend_Render();
$css = new CM_Asset_Css($render, 'font-size: 12;', ['prefix' => '#foo']);
$css1 = <<<'EOD'
.test:visible {
color: black;
height:300px;
}
EOD;
$css->add($css1, '.bar');
$css->add('color: green;');
$expected = <<<'EOD'
#foo {
font-size: 12;
color: green;
}
#foo .bar .test:visible {
color: black;
height: 300px;
}
EOD;
$this->assertSame(trim($expected), $css->get());
}
/**
* @param $variableName
* @return string
* @throws CM_Exception_Invalid
*/
public function getLessVariable($variableName)
{
$variableName = (string) $variableName;
$cache = new CM_Cache_Local();
return $cache->get($cache->key(__METHOD__, $variableName), function () use($variableName) {
$assetCss = new CM_Asset_Css($this);
$assetCss->addVariables();
$assetCss->add('foo:@' . $variableName);
$css = $assetCss->get(true);
if (!preg_match('/^foo:(.+);$/', $css, $matches)) {
throw new CM_Exception_Invalid('Cannot detect variable from CSS.', null, ['variableName' => $variableName, 'css' => $css]);
}
return (string) $matches[1];
});
}
