File: /var/www/vhosts/uyarreklam.com.tr/httpdocs/SourceMap.tar
Base64VLQ.php 0000644 00000012254 15155222265 0006675 0 ustar 00 <?php
/**
* Encode / Decode Base64 VLQ.
*
* @package Less
* @subpackage SourceMap
*/
class Less_SourceMap_Base64VLQ {
/**
* Shift
*
* @var integer
*/
private $shift = 5;
/**
* Mask
*
* @var integer
*/
private $mask = 0x1F; // == (1 << shift) == 0b00011111
/**
* Continuation bit
*
* @var integer
*/
private $continuationBit = 0x20; // == (mask - 1 ) == 0b00100000
/**
* Char to integer map
*
* @var array
*/
private $charToIntMap = array(
'A' => 0, 'B' => 1, 'C' => 2, 'D' => 3, 'E' => 4, 'F' => 5, 'G' => 6,
'H' => 7,'I' => 8, 'J' => 9, 'K' => 10, 'L' => 11, 'M' => 12, 'N' => 13,
'O' => 14, 'P' => 15, 'Q' => 16, 'R' => 17, 'S' => 18, 'T' => 19, 'U' => 20,
'V' => 21, 'W' => 22, 'X' => 23, 'Y' => 24, 'Z' => 25, 'a' => 26, 'b' => 27,
'c' => 28, 'd' => 29, 'e' => 30, 'f' => 31, 'g' => 32, 'h' => 33, 'i' => 34,
'j' => 35, 'k' => 36, 'l' => 37, 'm' => 38, 'n' => 39, 'o' => 40, 'p' => 41,
'q' => 42, 'r' => 43, 's' => 44, 't' => 45, 'u' => 46, 'v' => 47, 'w' => 48,
'x' => 49, 'y' => 50, 'z' => 51, 0 => 52, 1 => 53, 2 => 54, 3 => 55, 4 => 56,
5 => 57, 6 => 58, 7 => 59, 8 => 60, 9 => 61, '+' => 62, '/' => 63,
);
/**
* Integer to char map
*
* @var array
*/
private $intToCharMap = array(
0 => 'A', 1 => 'B', 2 => 'C', 3 => 'D', 4 => 'E', 5 => 'F', 6 => 'G',
7 => 'H', 8 => 'I', 9 => 'J', 10 => 'K', 11 => 'L', 12 => 'M', 13 => 'N',
14 => 'O', 15 => 'P', 16 => 'Q', 17 => 'R', 18 => 'S', 19 => 'T', 20 => 'U',
21 => 'V', 22 => 'W', 23 => 'X', 24 => 'Y', 25 => 'Z', 26 => 'a', 27 => 'b',
28 => 'c', 29 => 'd', 30 => 'e', 31 => 'f', 32 => 'g', 33 => 'h', 34 => 'i',
35 => 'j', 36 => 'k', 37 => 'l', 38 => 'm', 39 => 'n', 40 => 'o', 41 => 'p',
42 => 'q', 43 => 'r', 44 => 's', 45 => 't', 46 => 'u', 47 => 'v', 48 => 'w',
49 => 'x', 50 => 'y', 51 => 'z', 52 => '0', 53 => '1', 54 => '2', 55 => '3',
56 => '4', 57 => '5', 58 => '6', 59 => '7', 60 => '8', 61 => '9', 62 => '+',
63 => '/',
);
/**
* Constructor
*/
public function __construct(){
// I leave it here for future reference
// foreach(str_split('ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/') as $i => $char)
// {
// $this->charToIntMap[$char] = $i;
// $this->intToCharMap[$i] = $char;
// }
}
/**
* Convert from a two-complement value to a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
* 2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
* We generate the value for 32 bit machines, hence -2147483648 becomes 1, not 4294967297,
* even on a 64 bit machine.
* @param string $aValue
*/
public function toVLQSigned($aValue){
return 0xffffffff & ($aValue < 0 ? ((-$aValue) << 1) + 1 : ($aValue << 1) + 0);
}
/**
* Convert to a two-complement value from a value where the sign bit is
* is placed in the least significant bit. For example, as decimals:
* 2 (10 binary) becomes 1, 3 (11 binary) becomes -1
* 4 (100 binary) becomes 2, 5 (101 binary) becomes -2
* We assume that the value was generated with a 32 bit machine in mind.
* Hence
* 1 becomes -2147483648
* even on a 64 bit machine.
* @param integer $aValue
*/
public function fromVLQSigned($aValue){
return $aValue & 1 ? $this->zeroFill(~$aValue + 2, 1) | (-1 - 0x7fffffff) : $this->zeroFill($aValue, 1);
}
/**
* Return the base 64 VLQ encoded value.
*
* @param string $aValue The value to encode
* @return string The encoded value
*/
public function encode($aValue){
$encoded = '';
$vlq = $this->toVLQSigned($aValue);
do
{
$digit = $vlq & $this->mask;
$vlq = $this->zeroFill($vlq, $this->shift);
if($vlq > 0){
$digit |= $this->continuationBit;
}
$encoded .= $this->base64Encode($digit);
} while($vlq > 0);
return $encoded;
}
/**
* Return the value decoded from base 64 VLQ.
*
* @param string $encoded The encoded value to decode
* @return integer The decoded value
*/
public function decode($encoded){
$vlq = 0;
$i = 0;
do
{
$digit = $this->base64Decode($encoded[$i]);
$vlq |= ($digit & $this->mask) << ($i * $this->shift);
$i++;
} while($digit & $this->continuationBit);
return $this->fromVLQSigned($vlq);
}
/**
* Right shift with zero fill.
*
* @param integer $a number to shift
* @param integer $b number of bits to shift
* @return integer
*/
public function zeroFill($a, $b){
return ($a >= 0) ? ($a >> $b) : ($a >> $b) & (PHP_INT_MAX >> ($b - 1));
}
/**
* Encode single 6-bit digit as base64.
*
* @param integer $number
* @return string
* @throws Exception If the number is invalid
*/
public function base64Encode($number){
if($number < 0 || $number > 63){
throw new Exception(sprintf('Invalid number "%s" given. Must be between 0 and 63.', $number));
}
return $this->intToCharMap[$number];
}
/**
* Decode single 6-bit digit from base64
*
* @param string $char
* @return number
* @throws Exception If the number is invalid
*/
public function base64Decode($char){
if(!array_key_exists($char, $this->charToIntMap)){
throw new Exception(sprintf('Invalid base 64 digit "%s" given.', $char));
}
return $this->charToIntMap[$char];
}
}
Generator.php 0000644 00000023130 15155222265 0007207 0 ustar 00 <?php
/**
* Source map generator
*
* @package Less
* @subpackage Output
*/
class Less_SourceMap_Generator extends Less_Configurable {
/**
* What version of source map does the generator generate?
*/
const VERSION = 3;
/**
* Array of default options
*
* @var array
*/
protected $defaultOptions = array(
// an optional source root, useful for relocating source files
// on a server or removing repeated values in the 'sources' entry.
// This value is prepended to the individual entries in the 'source' field.
'sourceRoot' => '',
// an optional name of the generated code that this source map is associated with.
'sourceMapFilename' => null,
// url of the map
'sourceMapURL' => null,
// absolute path to a file to write the map to
'sourceMapWriteTo' => null,
// output source contents?
'outputSourceFiles' => false,
// base path for filename normalization
'sourceMapRootpath' => '',
// base path for filename normalization
'sourceMapBasepath' => ''
);
/**
* The base64 VLQ encoder
*
* @var Less_SourceMap_Base64VLQ
*/
protected $encoder;
/**
* Array of mappings
*
* @var array
*/
protected $mappings = array();
/**
* The root node
*
* @var Less_Tree_Ruleset
*/
protected $root;
/**
* Array of contents map
*
* @var array
*/
protected $contentsMap = array();
/**
* File to content map
*
* @var array
*/
protected $sources = array();
protected $source_keys = array();
/**
* Constructor
*
* @param Less_Tree_Ruleset $root The root node
* @param array $options Array of options
*/
public function __construct(Less_Tree_Ruleset $root, $contentsMap, $options = array()){
$this->root = $root;
$this->contentsMap = $contentsMap;
$this->encoder = new Less_SourceMap_Base64VLQ();
$this->SetOptions($options);
$this->options['sourceMapRootpath'] = $this->fixWindowsPath($this->options['sourceMapRootpath'], true);
$this->options['sourceMapBasepath'] = $this->fixWindowsPath($this->options['sourceMapBasepath'], true);
}
/**
* Generates the CSS
*
* @return string
*/
public function generateCSS(){
$output = new Less_Output_Mapped($this->contentsMap, $this);
// catch the output
$this->root->genCSS($output);
$sourceMapUrl = $this->getOption('sourceMapURL');
$sourceMapFilename = $this->getOption('sourceMapFilename');
$sourceMapContent = $this->generateJson();
$sourceMapWriteTo = $this->getOption('sourceMapWriteTo');
if( !$sourceMapUrl && $sourceMapFilename ){
$sourceMapUrl = $this->normalizeFilename($sourceMapFilename);
}
// write map to a file
if( $sourceMapWriteTo ){
$this->saveMap($sourceMapWriteTo, $sourceMapContent);
}
// inline the map
if( !$sourceMapUrl ){
$sourceMapUrl = sprintf('data:application/json,%s', Less_Functions::encodeURIComponent($sourceMapContent));
}
if( $sourceMapUrl ){
$output->add( sprintf('/*# sourceMappingURL=%s */', $sourceMapUrl) );
}
return $output->toString();
}
/**
* Saves the source map to a file
*
* @param string $file The absolute path to a file
* @param string $content The content to write
* @throws Exception If the file could not be saved
*/
protected function saveMap($file, $content){
$dir = dirname($file);
// directory does not exist
if( !is_dir($dir) ){
// FIXME: create the dir automatically?
throw new Exception(sprintf('The directory "%s" does not exist. Cannot save the source map.', $dir));
}
// FIXME: proper saving, with dir write check!
if(file_put_contents($file, $content) === false){
throw new Exception(sprintf('Cannot save the source map to "%s"', $file));
}
return true;
}
/**
* Normalizes the filename
*
* @param string $filename
* @return string
*/
protected function normalizeFilename($filename){
$filename = $this->fixWindowsPath($filename);
$rootpath = $this->getOption('sourceMapRootpath');
$basePath = $this->getOption('sourceMapBasepath');
// "Trim" the 'sourceMapBasepath' from the output filename.
if (is_string($basePath) && strpos($filename, $basePath) === 0) {
$filename = substr($filename, strlen($basePath));
}
// Remove extra leading path separators.
if(strpos($filename, '\\') === 0 || strpos($filename, '/') === 0){
$filename = substr($filename, 1);
}
return $rootpath . $filename;
}
/**
* Adds a mapping
*
* @param integer $generatedLine The line number in generated file
* @param integer $generatedColumn The column number in generated file
* @param integer $originalLine The line number in original file
* @param integer $originalColumn The column number in original file
* @param string $sourceFile The original source file
*/
public function addMapping($generatedLine, $generatedColumn, $originalLine, $originalColumn, $fileInfo ){
$this->mappings[] = array(
'generated_line' => $generatedLine,
'generated_column' => $generatedColumn,
'original_line' => $originalLine,
'original_column' => $originalColumn,
'source_file' => $fileInfo['currentUri']
);
$this->sources[$fileInfo['currentUri']] = $fileInfo['filename'];
}
/**
* Generates the JSON source map
*
* @return string
* @see https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#
*/
protected function generateJson(){
$sourceMap = array();
$mappings = $this->generateMappings();
// File version (always the first entry in the object) and must be a positive integer.
$sourceMap['version'] = self::VERSION;
// An optional name of the generated code that this source map is associated with.
$file = $this->getOption('sourceMapFilename');
if( $file ){
$sourceMap['file'] = $file;
}
// An optional source root, useful for relocating source files on a server or removing repeated values in the 'sources' entry. This value is prepended to the individual entries in the 'source' field.
$root = $this->getOption('sourceRoot');
if( $root ){
$sourceMap['sourceRoot'] = $root;
}
// A list of original sources used by the 'mappings' entry.
$sourceMap['sources'] = array();
foreach($this->sources as $source_uri => $source_filename){
$sourceMap['sources'][] = $this->normalizeFilename($source_filename);
}
// A list of symbol names used by the 'mappings' entry.
$sourceMap['names'] = array();
// A string with the encoded mapping data.
$sourceMap['mappings'] = $mappings;
if( $this->getOption('outputSourceFiles') ){
// An optional list of source content, useful when the 'source' can't be hosted.
// The contents are listed in the same order as the sources above.
// 'null' may be used if some original sources should be retrieved by name.
$sourceMap['sourcesContent'] = $this->getSourcesContent();
}
// less.js compat fixes
if( count($sourceMap['sources']) && empty($sourceMap['sourceRoot']) ){
unset($sourceMap['sourceRoot']);
}
return json_encode($sourceMap);
}
/**
* Returns the sources contents
*
* @return array|null
*/
protected function getSourcesContent(){
if(empty($this->sources)){
return;
}
$content = array();
foreach($this->sources as $sourceFile){
$content[] = file_get_contents($sourceFile);
}
return $content;
}
/**
* Generates the mappings string
*
* @return string
*/
public function generateMappings(){
if( !count($this->mappings) ){
return '';
}
$this->source_keys = array_flip(array_keys($this->sources));
// group mappings by generated line number.
$groupedMap = $groupedMapEncoded = array();
foreach($this->mappings as $m){
$groupedMap[$m['generated_line']][] = $m;
}
ksort($groupedMap);
$lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0;
foreach($groupedMap as $lineNumber => $line_map){
while(++$lastGeneratedLine < $lineNumber){
$groupedMapEncoded[] = ';';
}
$lineMapEncoded = array();
$lastGeneratedColumn = 0;
foreach($line_map as $m){
$mapEncoded = $this->encoder->encode($m['generated_column'] - $lastGeneratedColumn);
$lastGeneratedColumn = $m['generated_column'];
// find the index
if( $m['source_file'] ){
$index = $this->findFileIndex($m['source_file']);
if( $index !== false ){
$mapEncoded .= $this->encoder->encode($index - $lastOriginalIndex);
$lastOriginalIndex = $index;
// lines are stored 0-based in SourceMap spec version 3
$mapEncoded .= $this->encoder->encode($m['original_line'] - 1 - $lastOriginalLine);
$lastOriginalLine = $m['original_line'] - 1;
$mapEncoded .= $this->encoder->encode($m['original_column'] - $lastOriginalColumn);
$lastOriginalColumn = $m['original_column'];
}
}
$lineMapEncoded[] = $mapEncoded;
}
$groupedMapEncoded[] = implode(',', $lineMapEncoded) . ';';
}
return rtrim(implode($groupedMapEncoded), ';');
}
/**
* Finds the index for the filename
*
* @param string $filename
* @return integer|false
*/
protected function findFileIndex($filename){
return $this->source_keys[$filename];
}
/**
* fix windows paths
* @param string $path
* @return string
*/
public function fixWindowsPath($path, $addEndSlash = false){
$slash = ($addEndSlash) ? '/' : '';
if( !empty($path) ){
$path = str_replace('\\', '/', $path);
$path = rtrim($path,'/') . $slash;
}
return $path;
}
}