--- /dev/null
+<?php
+/**
+ * This file provides the part of lessphp API (https://github.com/leafo/lessphp)
+ * to be a drop-in replacement for following products:
+ * - Drupal 7, by the less module v3.0+ (https://drupal.org/project/less)
+ * - Symfony 2
+ */
+
+// Register autoloader for non-composer installations
+if ( !class_exists( 'Less_Parser' ) ) {
+ require_once __DIR__ . '/lib/Less/Autoloader.php';
+ Less_Autoloader::register();
+}
+
+class lessc {
+
+ static public $VERSION = Less_Version::less_version;
+
+ public $importDir = '';
+ protected $allParsedFiles = array();
+ protected $libFunctions = array();
+ protected $registeredVars = array();
+ private $formatterName;
+ private $options = array();
+
+ public function __construct( $lessc=null, $sourceName=null ) {}
+
+ public function setImportDir( $dirs ) {
+ $this->importDir = (array)$dirs;
+ }
+
+ public function addImportDir( $dir ) {
+ $this->importDir = (array)$this->importDir;
+ $this->importDir[] = $dir;
+ }
+
+ public function setFormatter( $name ) {
+ $this->formatterName = $name;
+ }
+
+ public function setPreserveComments( $preserve ) {}
+
+ public function registerFunction( $name, $func ) {
+ $this->libFunctions[$name] = $func;
+ }
+
+ public function unregisterFunction( $name ) {
+ unset( $this->libFunctions[$name] );
+ }
+
+ public function setVariables( $variables ){
+ foreach ( $variables as $name => $value ) {
+ $this->setVariable( $name, $value );
+ }
+ }
+
+ public function setVariable( $name, $value ) {
+ $this->registeredVars[$name] = $value;
+ }
+
+ public function unsetVariable( $name ) {
+ unset( $this->registeredVars[$name] );
+ }
+
+ public function setOptions( $options ) {
+ foreach ( $options as $name => $value ) {
+ $this->setOption( $name, $value);
+ }
+ }
+
+ public function setOption( $name, $value ) {
+ $this->options[$name] = $value;
+ }
+
+ public function parse( $buffer, $presets = array() ) {
+
+ $this->setVariables( $presets );
+
+ $parser = new Less_Parser( $this->getOptions() );
+ $parser->setImportDirs( $this->getImportDirs() );
+ foreach ( $this->libFunctions as $name => $func ) {
+ $parser->registerFunction( $name, $func );
+ }
+ $parser->parse($buffer);
+ if ( count( $this->registeredVars ) ) {
+ $parser->ModifyVars( $this->registeredVars );
+ }
+
+ return $parser->getCss();
+ }
+
+ protected function getOptions() {
+ $options = array( 'relativeUrls'=>false );
+ switch( $this->formatterName ) {
+ case 'compressed':
+ $options['compress'] = true;
+ break;
+ }
+ if (is_array($this->options))
+ {
+ $options = array_merge($options, $this->options);
+ }
+ return $options;
+ }
+
+ protected function getImportDirs() {
+ $dirs_ = (array)$this->importDir;
+ $dirs = array();
+ foreach ( $dirs_ as $dir ) {
+ $dirs[$dir] = '';
+ }
+ return $dirs;
+ }
+
+ public function compile( $string, $name = null ) {
+
+ $oldImport = $this->importDir;
+ $this->importDir = (array)$this->importDir;
+
+ $this->allParsedFiles = array();
+
+ $parser = new Less_Parser( $this->getOptions() );
+ $parser->SetImportDirs( $this->getImportDirs() );
+ if ( count( $this->registeredVars ) ) {
+ $parser->ModifyVars( $this->registeredVars );
+ }
+ foreach ( $this->libFunctions as $name => $func ) {
+ $parser->registerFunction( $name, $func );
+ }
+ $parser->parse( $string );
+ $out = $parser->getCss();
+
+ $parsed = Less_Parser::AllParsedFiles();
+ foreach ( $parsed as $file ) {
+ $this->addParsedFile( $file );
+ }
+
+ $this->importDir = $oldImport;
+
+ return $out;
+ }
+
+ public function compileFile( $fname, $outFname = null ) {
+ if ( !is_readable( $fname ) ) {
+ throw new Exception( 'load error: failed to find '.$fname );
+ }
+
+ $pi = pathinfo( $fname );
+
+ $oldImport = $this->importDir;
+
+ $this->importDir = (array)$this->importDir;
+ $this->importDir[] = Less_Parser::AbsPath( $pi['dirname'] ).'/';
+
+ $this->allParsedFiles = array();
+ $this->addParsedFile( $fname );
+
+ $parser = new Less_Parser( $this->getOptions() );
+ $parser->SetImportDirs( $this->getImportDirs() );
+ if ( count( $this->registeredVars ) ) {
+ $parser->ModifyVars( $this->registeredVars );
+ }
+ foreach ( $this->libFunctions as $name => $func ) {
+ $parser->registerFunction( $name, $func );
+ }
+ $parser->parseFile( $fname );
+ $out = $parser->getCss();
+
+ $parsed = Less_Parser::AllParsedFiles();
+ foreach ( $parsed as $file ) {
+ $this->addParsedFile( $file );
+ }
+
+ $this->importDir = $oldImport;
+
+ if ( $outFname !== null ) {
+ return file_put_contents( $outFname, $out );
+ }
+
+ return $out;
+ }
+
+ public function checkedCompile( $in, $out ) {
+ if ( !is_file( $out ) || filemtime( $in ) > filemtime( $out ) ) {
+ $this->compileFile($in, $out);
+ return true;
+ }
+ return false;
+ }
+
+
+ /**
+ * Execute lessphp on a .less file or a lessphp cache structure
+ *
+ * The lessphp cache structure contains information about a specific
+ * less file having been parsed. It can be used as a hint for future
+ * calls to determine whether or not a rebuild is required.
+ *
+ * The cache structure contains two important keys that may be used
+ * externally:
+ *
+ * compiled: The final compiled CSS
+ * updated: The time (in seconds) the CSS was last compiled
+ *
+ * The cache structure is a plain-ol' PHP associative array and can
+ * be serialized and unserialized without a hitch.
+ *
+ * @param mixed $in Input
+ * @param bool $force Force rebuild?
+ * @return array lessphp cache structure
+ */
+ public function cachedCompile( $in, $force = false ) {
+ // assume no root
+ $root = null;
+
+ if ( is_string( $in ) ) {
+ $root = $in;
+ } elseif ( is_array( $in ) and isset( $in['root'] ) ) {
+ if ( $force or ! isset( $in['files'] ) ) {
+ // If we are forcing a recompile or if for some reason the
+ // structure does not contain any file information we should
+ // specify the root to trigger a rebuild.
+ $root = $in['root'];
+ } elseif ( isset( $in['files'] ) and is_array( $in['files'] ) ) {
+ foreach ( $in['files'] as $fname => $ftime ) {
+ if ( !file_exists( $fname ) or filemtime( $fname ) > $ftime ) {
+ // One of the files we knew about previously has changed
+ // so we should look at our incoming root again.
+ $root = $in['root'];
+ break;
+ }
+ }
+ }
+ } else {
+ // TODO: Throw an exception? We got neither a string nor something
+ // that looks like a compatible lessphp cache structure.
+ return null;
+ }
+
+ if ( $root !== null ) {
+ // If we have a root value which means we should rebuild.
+ $out = array();
+ $out['root'] = $root;
+ $out['compiled'] = $this->compileFile($root);
+ $out['files'] = $this->allParsedFiles();
+ $out['updated'] = time();
+ return $out;
+ } else {
+ // No changes, pass back the structure
+ // we were given initially.
+ return $in;
+ }
+ }
+
+ public function ccompile( $in, $out, $less = null ) {
+ if ( $less === null ) {
+ $less = new self;
+ }
+ return $less->checkedCompile( $in, $out );
+ }
+
+ public static function cexecute( $in, $force = false, $less = null ) {
+ if ( $less === null ) {
+ $less = new self;
+ }
+ return $less->cachedCompile($in, $force);
+ }
+
+ public function allParsedFiles() {
+ return $this->allParsedFiles;
+ }
+
+ protected function addParsedFile( $file ) {
+ $this->allParsedFiles[Less_Parser::AbsPath( $file )] = filemtime( $file );
+ }
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff