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N°2226: Add missing files for Scss v1.0.0

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This commit is contained in:
Stephen Abello
2019-07-12 10:13:00 +02:00
parent a11e783867
commit d8de7b19cb
6 changed files with 1145 additions and 0 deletions
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239
lib/scssphp/src/Cache.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp;
use Exception;
/**
* The scss cache manager.
*
* In short:
*
* allow to put in cache/get from cache a generic result from a known operation on a generic dataset,
* taking in account options that affects the result
*
* The cache manager is agnostic about data format and only the operation is expected to be described by string
*
*/
/**
* SCSS cache
*
* @author Cedric Morin
*/
class Cache
{
const CACHE_VERSION = 0;
// directory used for storing data
public static $cacheDir = false;
// prefix for the storing data
public static $prefix = 'scssphp_';
// force a refresh : 'once' for refreshing the first hit on a cache only, true to never use the cache in this hit
public static $forceFefresh = false;
// specifies the number of seconds after which data cached will be seen as 'garbage' and potentially cleaned up
public static $gcLifetime = 604800;
// array of already refreshed cache if $forceFefresh==='once'
protected static $refreshed = [];
/**
* Constructor
*
* @param array $options
*/
public function __construct($options)
{
// check $cacheDir
if (isset($options['cache_dir'])) {
self::$cacheDir = $options['cache_dir'];
}
if (empty(self::$cacheDir)) {
throw new Exception('cache_dir not set');
}
if (isset($options['prefix'])) {
self::$prefix = $options['prefix'];
}
if (empty(self::$prefix)) {
throw new Exception('prefix not set');
}
if (isset($options['forceRefresh'])) {
self::$forceFefresh = $options['force_refresh'];
}
self::checkCacheDir();
}
/**
* Get the cached result of $operation on $what,
* which is known as dependant from the content of $options
*
* @param string $operation parse, compile...
* @param mixed $what content key (e.g., filename to be treated)
* @param array $options any option that affect the operation result on the content
* @param integer $lastModified last modified timestamp
*
* @return mixed
*
* @throws \Exception
*/
public function getCache($operation, $what, $options = [], $lastModified = null)
{
$fileCache = self::$cacheDir . self::cacheName($operation, $what, $options);
if ((! self::$forceRefresh || (self::$forceRefresh === 'once' && isset(self::$refreshed[$fileCache])))
&& file_exists($fileCache)
) {
$cacheTime = filemtime($fileCache);
if ((is_null($lastModified) || $cacheTime > $lastModified)
&& $cacheTime + self::$gcLifetime > time()
) {
$c = file_get_contents($fileCache);
$c = unserialize($c);
if (is_array($c) && isset($c['value'])) {
return $c['value'];
}
}
}
return null;
}
/**
* Put in cache the result of $operation on $what,
* which is known as dependant from the content of $options
*
* @param string $operation
* @param mixed $what
* @param mixed $value
* @param array $options
*/
public function setCache($operation, $what, $value, $options = [])
{
$fileCache = self::$cacheDir . self::cacheName($operation, $what, $options);
$c = ['value' => $value];
$c = serialize($c);
file_put_contents($fileCache, $c);
if (self::$forceRefresh === 'once') {
self::$refreshed[$fileCache] = true;
}
}
/**
* Get the cache name for the caching of $operation on $what,
* which is known as dependant from the content of $options
*
* @param string $operation
* @param mixed $what
* @param array $options
*
* @return string
*/
private static function cacheName($operation, $what, $options = [])
{
$t = [
'version' => self::CACHE_VERSION,
'operation' => $operation,
'what' => $what,
'options' => $options
];
$t = self::$prefix
. sha1(json_encode($t))
. ".$operation"
. ".scsscache";
return $t;
}
/**
* Check that the cache dir exists and is writeable
*
* @throws \Exception
*/
public static function checkCacheDir()
{
self::$cacheDir = str_replace('\\', '/', self::$cacheDir);
self::$cacheDir = rtrim(self::$cacheDir, '/') . '/';
if (! file_exists(self::$cacheDir)) {
if (! mkdir(self::$cacheDir)) {
throw new Exception('Cache directory couldn\'t be created: ' . self::$cacheDir);
}
} elseif (! is_dir(self::$cacheDir)) {
throw new Exception('Cache directory doesn\'t exist: ' . self::$cacheDir);
} elseif (! is_writable(self::$cacheDir)) {
throw new Exception('Cache directory isn\'t writable: ' . self::$cacheDir);
}
}
/**
* Delete unused cached files
*/
public static function cleanCache()
{
static $clean = false;
if ($clean || empty(self::$cacheDir)) {
return;
}
$clean = true;
// only remove files with extensions created by SCSSPHP Cache
// css files removed based on the list files
$removeTypes = ['scsscache' => 1];
$files = scandir(self::$cacheDir);
if (! $files) {
return;
}
$checkTime = time() - self::$gcLifetime;
foreach ($files as $file) {
// don't delete if the file wasn't created with SCSSPHP Cache
if (strpos($file, self::$prefix) !== 0) {
continue;
}
$parts = explode('.', $file);
$type = array_pop($parts);
if (! isset($removeTypes[$type])) {
continue;
}
$fullPath = self::$cacheDir . $file;
$mtime = filemtime($fullPath);
// don't delete if it's a relatively new file
if ($mtime > $checkTime) {
continue;
}
unlink($fullPath);
}
}
}

21
lib/scssphp/src/Exception/RangeException.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\Exception;
/**
* Range exception
*
* @author Anthon Pang <anthon.pang@gmail.com>
*/
class RangeException extends \Exception
{
}

184
lib/scssphp/src/SourceMap/Base64.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\SourceMap;
/**
* Base 64 Encode/Decode
*
* @author Anthon Pang <anthon.pang@gmail.com>
*/
class Base64
{
/**
* @var array
*/
private static $encodingMap = [
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 => '/',
];
/**
* @var array
*/
private static $decodingMap = [
'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,
];
/**
* Convert to base64
*
* @param integer $value
*
* @return string
*/
public static function encode($value)
{
return self::$encodingMap[$value];
}
/**
* Convert from base64
*
* @param string $value
*
* @return integer
*/
public static function decode($value)
{
return self::$decodingMap[$value];
}
}

137
lib/scssphp/src/SourceMap/Base64VLQ.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\SourceMap;
use ScssPhp\ScssPhp\SourceMap\Base64;
/**
* Base 64 VLQ
*
* Based on the Base 64 VLQ implementation in Closure Compiler:
* https://github.com/google/closure-compiler/blob/master/src/com/google/debugging/sourcemap/Base64VLQ.java
*
* Copyright 2011 The Closure Compiler Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author John Lenz <johnlenz@google.com>
* @author Anthon Pang <anthon.pang@gmail.com>
*/
class Base64VLQ
{
// A Base64 VLQ digit can represent 5 bits, so it is base-32.
const VLQ_BASE_SHIFT = 5;
// A mask of bits for a VLQ digit (11111), 31 decimal.
const VLQ_BASE_MASK = 31;
// The continuation bit is the 6th bit.
const VLQ_CONTINUATION_BIT = 32;
/**
* Returns the VLQ encoded value.
*
* @param integer $value
*
* @return string
*/
public static function encode($value)
{
$encoded = '';
$vlq = self::toVLQSigned($value);
do {
$digit = $vlq & self::VLQ_BASE_MASK;
$vlq >>= self::VLQ_BASE_SHIFT;
if ($vlq > 0) {
$digit |= self::VLQ_CONTINUATION_BIT;
}
$encoded .= Base64::encode($digit);
} while ($vlq > 0);
return $encoded;
}
/**
* Decodes VLQValue.
*
* @param string $str
* @param integer $index
*
* @return integer
*/
public static function decode($str, &$index)
{
$result = 0;
$shift = 0;
do {
$c = $str[$index++];
$digit = Base64::decode($c);
$continuation = ($digit & self::VLQ_CONTINUATION_BIT) != 0;
$digit &= self::VLQ_BASE_MASK;
$result = $result + ($digit << $shift);
$shift = $shift + self::VLQ_BASE_SHIFT;
} while ($continuation);
return self::fromVLQSigned($result);
}
/**
* Converts 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)
*
* @param integer $value
*
* @return integer
*/
private static function toVLQSigned($value)
{
if ($value < 0) {
return ((-$value) << 1) + 1;
}
return ($value << 1) + 0;
}
/**
* Converts 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
*
* @param integer $value
*
* @return integer
*/
private static function fromVLQSigned($value)
{
$negate = ($value & 1) === 1;
$value = $value >> 1;
return $negate ? -$value : $value;
}
}

217
lib/scssphp/src/SourceMap/Base64VLQEncoder.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\SourceMap;
/**
* Base64 VLQ Encoder
*
* {@internal Derivative of oyejorge/less.php's lib/SourceMap/Base64VLQ.php, relicensed with permission. }}
*
* @author Josh Schmidt <oyejorge@gmail.com>
* @author Nicolas FRANÇOIS <nicolas.francois@frog-labs.com>
*/
class Base64VLQEncoder
{
/**
* 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 = [
'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 = [
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 $char
*
* @return integer
*
* @throws \Exception If the number is invalid
*/
public function base64Decode($char)
{
if (! array_key_exists($char, $this->charToIntMap)) {
throw new \Exception(sprintf('Invalid base 64 digit "%s" given.', $char));
}
return $this->charToIntMap[$char];
}
}

347
lib/scssphp/src/SourceMap/SourceMapGenerator.php Normal file
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<?php
/**
* SCSSPHP
*
* @copyright 2012-2019 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\SourceMap;
use ScssPhp\ScssPhp\Exception\CompilerException;
/**
* Source Map Generator
*
* {@internal Derivative of oyejorge/less.php's lib/SourceMap/Generator.php, relicensed with permission. }}
*
* @author Josh Schmidt <oyejorge@gmail.com>
* @author Nicolas FRANÇOIS <nicolas.francois@frog-labs.com>
*/
class SourceMapGenerator
{
/**
* What version of source map does the generator generate?
*/
const VERSION = 3;
/**
* Array of default options
*
* @var array
*/
protected $defaultOptions = [
// 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 \ScssPhp\ScssPhp\SourceMap\Base64VLQ
*/
protected $encoder;
/**
* Array of mappings
*
* @var array
*/
protected $mappings = [];
/**
* Array of contents map
*
* @var array
*/
protected $contentsMap = [];
/**
* File to content map
*
* @var array
*/
protected $sources = [];
protected $sourceKeys = [];
/**
* @var array
*/
private $options;
public function __construct(array $options = [])
{
$this->options = array_merge($this->defaultOptions, $options);
$this->encoder = new Base64VLQ();
}
/**
* 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, $sourceFile)
{
$this->mappings[] = [
'generated_line' => $generatedLine,
'generated_column' => $generatedColumn,
'original_line' => $originalLine,
'original_column' => $originalColumn,
'source_file' => $sourceFile
];
$this->sources[$sourceFile] = $sourceFile;
}
/**
* Saves the source map to a file
*
* @param string $content The content to write
*
* @return string
*
* @throws \ScssPhp\ScssPhp\Exception\CompilerException If the file could not be saved
*/
public function saveMap($content)
{
$file = $this->options['sourceMapWriteTo'];
$dir = dirname($file);
// directory does not exist
if (! is_dir($dir)) {
// FIXME: create the dir automatically?
throw new CompilerException(
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 CompilerException(sprintf('Cannot save the source map to "%s"', $file));
}
return $this->options['sourceMapURL'];
}
/**
* Generates the JSON source map
*
* @return string
*
* @see https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#
*/
public function generateJson()
{
$sourceMap = [];
$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 = $this->options['sourceMapFilename'];
if ($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 = $this->options['sourceRoot'];
if ($root) {
$sourceMap['sourceRoot'] = $root;
}
// A list of original sources used by the 'mappings' entry.
$sourceMap['sources'] = [];
foreach ($this->sources as $sourceUri => $sourceFilename) {
$sourceMap['sources'][] = $this->normalizeFilename($sourceFilename);
}
// A list of symbol names used by the 'mappings' entry.
$sourceMap['names'] = [];
// A string with the encoded mapping data.
$sourceMap['mappings'] = $mappings;
if ($this->options['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($sourceMap, JSON_UNESCAPED_SLASHES);
}
/**
* Returns the sources contents
*
* @return array|null
*/
protected function getSourcesContent()
{
if (empty($this->sources)) {
return null;
}
$content = [];
foreach ($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 '';
}
$this->sourceKeys = array_flip(array_keys($this->sources));
// group mappings by generated line number.
$groupedMap = $groupedMapEncoded = [];
foreach ($this->mappings as $m) {
$groupedMap[$m['generated_line']][] = $m;
}
ksort($groupedMap);
$lastGeneratedLine = $lastOriginalIndex = $lastOriginalLine = $lastOriginalColumn = 0;
foreach ($groupedMap as $lineNumber => $lineMap) {
while (++$lastGeneratedLine < $lineNumber) {
$groupedMapEncoded[] = ';';
}
$lineMapEncoded = [];
$lastGeneratedColumn = 0;
foreach ($lineMap 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 $this->sourceKeys[$filename];
}
/**
* Normalize filename
*
* @param string $filename
*
* @return string
*/
protected function normalizeFilename($filename)
{
$filename = $this->fixWindowsPath($filename);
$rootpath = $this->options['sourceMapRootpath'];
$basePath = $this->options['sourceMapBasepath'];
// "Trim" the 'sourceMapBasepath' from the output filename.
if (strlen($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;
}
/**
* Fix windows paths
*
* @param string $path
* @param boolean $addEndSlash
*
* @return string
*/
public function fixWindowsPath($path, $addEndSlash = false)
{
$slash = ($addEndSlash) ? '/' : '';
if (! empty($path)) {
$path = str_replace('\\', '/', $path);
$path = rtrim($path, '/') . $slash;
}
return $path;
}
}