/**
* Runs the task
* @return \Robo\Result A Robo\Result instance containing info on wether the task was successful
*/
public function run()
{
$parser = new \ILess_Parser(['import_dirs' => $this->importDirs]);
$success = true;
foreach ($this->paths as $destination => $source) {
$this->printTaskInfo(sprintf('Compiling <info>%s</info> to <info>%s</info>', $source, $destination));
try {
$parser->parseFile($source);
// I couldn't find a better solution to write the generated CSS
// to file yet. There should be a stream writer, or similar...
file_put_contents($destination, $parser->getCSS());
$this->printTaskInfo(sprintf('Compiling <info>%s</info> to <info>%s</info>', $source, $destination));
} catch (\ILess_Exception $e) {
$this->printTaskError(sprintf('Compiling <info>%s</info> to <info>%s</info> FAILED', $source, $destination));
$success = false;
}
}
return $success ? Result::success($this) : Result::error($this, 'Some, or all of the sources could not be compiled.');
}
$rebuild = true;
$cssLastModified = -1;
if ($cache->has($cacheKey)) {
$rebuild = false;
list($css, $importedFiles) = $cache->get($cacheKey);
// we need to check if the file has been modified
foreach ($importedFiles as $importedFileArray) {
list($lastModifiedBefore, $path, $currentFileInfo) = $importedFileArray;
$lastModified = $importer->getLastModified($path, $currentFileInfo);
$cssLastModified = max($lastModified, $cssLastModified);
if ($lastModifiedBefore != $lastModified) {
$rebuild = true;
// no need to continue, we will rebuild the CSS
break;
}
}
}
if ($rebuild) {
$parser->parseFile($file);
$css = $parser->getCSS();
// what have been imported?
$importedFiles = array();
foreach ($importer->getImportedFiles() as $importedFile) {
$importedFiles[] = array($importedFile[0]->getLastModified(), $importedFile[1], $importedFile[2]);
$cssLastModified = max($cssLastModified, $importedFile[0]->getLastModified());
}
$cache->set($cacheKey, array($css, $importedFiles));
}
header('Content-Type: text/css');
header('Last-Modified: ' . gmdate('D, d M Y H:i:s ', $cssLastModified) . 'GMT');
echo $css;
<?php
require_once '_bootstrap.php';
try {
$cacheDir = dirname(__FILE__) . '/cache';
// create the parser
$parser = new ILess_Parser(array('compress' => false, 'source_map' => true, 'import_dirs' => array(dirname(__FILE__) . '/less/import')), new ILess_Cache_FileSystem($cacheDir));
// parse file
$parser->parseFile('less/test.less');
// parse additional string
$parser->parseString('
#header {
background: black;
}');
$cssContent = $parser->getCSS();
file_put_contents($cacheDir . '/screen.css', $cssContent);
$css = 'cache/screen.css';
} catch (Exception $e) {
@header('HTTP/1.0 500 Internal Server Error');
echo $e;
exit;
}
$example = 'source map output';
include '_page.php';
/**
* Runs the task based on the arguments
*
* @return true|integer True on success, error code on failure
*/
public function run()
{
if (!$this->isValid()) {
echo $this->getUsage();
// return error
return 1;
} elseif ($this->getOption('version')) {
echo ILess_Parser::VERSION . PHP_EOL;
return;
} elseif ($this->getOption('help')) {
echo $this->getUsage();
return;
}
try {
$parser = new ILess_Parser($this->prepareOptionsForTheParser());
$toBeParsed = $this->cliArguments['arguments'][0];
// read from stdin
if (in_array($toBeParsed, $this->stdAliases)) {
$content = file_get_contents('php://stdin');
$parser->parseString($content);
} else {
if (!ILess_Util::isPathAbsolute($toBeParsed)) {
$toBeParsed = sprintf('%s/%s', $this->currentDir, $toBeParsed);
}
$parser->parseFile($toBeParsed);
}
$toBeSavedTo = null;
if (isset($this->cliArguments['arguments'][1])) {
$toBeSavedTo = $this->cliArguments['arguments'][1];
if (!ILess_Util::isPathAbsolute($toBeSavedTo)) {
$toBeSavedTo = sprintf('%s/%s', $this->currentDir, $toBeSavedTo);
}
}
$css = $parser->getCSS();
// where to put the css?
if ($toBeSavedTo) {
// write the result
$this->saveCSS($toBeSavedTo, $css, $this->getOption('append'));
} else {
echo $css;
}
} catch (Exception $e) {
if (!$this->getOption('silent')) {
$this->renderException($e);
}
return $e->getCode();
}
return true;
}
