CSS::removeCssComments() - Code Metrics - Inspection of "Refactoring" - rmrevin/yii2-minify-view - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 2fd39c...5d8d2a )

by Revin

created 2016-05-22 22:02 UTC

CSS::removeCssComments() A

↳ Parent: CSS

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	2

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	6
ccs	5
cts	5
cp	1
rs	9.4285
cc	2
eloc	3
nc	2
nop	1
crap	2

<?php
/**
 * CSS.php
 * @author Revin Roman
 * @link https://rmrevin.com
 */

namespace rmrevin\yii\minify\components;

use yii\helpers\Html;
use yii\helpers\StringHelper;

/**
 * Class CSS
 * @package rmrevin\yii\minify\components
 */
class CSS extends MinifyComponent
{

    public function minify()
    {
        $cssFiles = $this->view->cssFiles;

        $this->view->cssFiles = [];

        $toMinify = [];

        foreach ($cssFiles as $file => $html) {

            if ($this->thisFileNeedMinify($file, $html)) {
                $toMinify[$file] = $html;
            } else {
                if (!empty($toMinify)) {
                    $this->process($toMinify);

                    $toMinify = [];
                }

                $this->view->cssFiles[$file] = $html;
            }
        }

        if (!empty($toMinify)) {
            $this->process($toMinify);
        }

        unset($toMinify);
    }

    /**
     * @param array $files
     */
    protected function process(array $files)
    {
        $resultFile = $this->view->minify_path . '/' . $this->_getSummaryFilesHash($files) . '.css';

        if (!file_exists($resultFile)) {
            $css = '';

            foreach ($files as $file => $html) {
                $path = dirname($file);
                $file = $this->getAbsoluteFilePath($file);

                $content = file_get_contents($file);

                $result = [];

                preg_match_all('|url\(([^)]+)\)|is', $content, $m);
                if (!empty($m[0])) {
                    foreach ($m[0] as $k => $v) {
                        if (in_array(strpos($m[1][$k], 'data:'), [0, 1], true)) {
                            continue;
                        }

                        $url = str_replace(['\'', '"'], '', $m[1][$k]);

                        if ($this->isUrl($url)) {
                            $result[$m[1][$k]] = $url;
                        } else {
                            $result[$m[1][$k]] = $path . '/' . $url;
                        }
                    }

                    $content = strtr($content, $result);
                }

                $css .= $content;
            }

            $this->expandImports($css);

            $this->removeCssComments($css);

            $css = (new \CSSmin())
                ->run($css, $this->view->css_linebreak_pos);

            if (false !== $this->view->force_charset) {
                $charsets = '@charset "' . (string)$this->view->force_charset . '";' . "\n";
            } else {
                $charsets = $this->collectCharsets($css);
            }

            $imports = $this->collectImports($css);
            $fonts = $this->collectFonts($css);

            file_put_contents($resultFile, $charsets . $imports . $fonts . $css);

            if (false !== $this->view->file_mode) {
                @chmod($resultFile, $this->view->file_mode);
// For example instead of
@mkdir($dir);

// Better use
if (@mkdir($dir) === false) {
    throw new \RuntimeException('The directory '.$dir.' could not be created.');
}
            }
        }

        $file = sprintf('%s%s', \Yii::getAlias($this->view->web_path), str_replace(\Yii::getAlias($this->view->base_path), '', $resultFile));

        $this->view->cssFiles[$file] = Html::cssFile($file);
    }

    /**
     * @param string $code
     */
    protected function removeCssComments(&$code)
    {
        if (true === $this->view->removeComments) {
            $code = preg_replace('#/\*(?:[^*]*(?:\*(?!/))*)*\*/#', '', $code);
        }
    }

    /**
     * @param string $code
     */
    protected function expandImports(&$code)
    {
        if (true === $this->view->expand_imports) {
            preg_match_all('|\@import\s([^;]+);|is', str_replace('&amp;', '&', $code), $m);
            if (!empty($m[0])) {
                foreach ($m[0] as $k => $v) {
                    $import_url = $m[1][$k];
                    if (!empty($import_url)) {
                        $import_content = $this->_getImportContent($import_url);
                        if (!empty($import_content)) {
                            $code = str_replace($m[0][$k], $import_content, $code);
                        }
                    }
                }
            }
        }
    }

    /**
     * @param string $code
     * @return string
     */
    protected function collectCharsets(&$code)
    {
        return $this->_collect($code, '|\@charset[^;]+|is', function ($string) {
            return $string . ';';
        });
    }

    /**
     * @param string $code
     * @return string
     */
    protected function collectImports(&$code)
    {
        return $this->_collect($code, '|\@import[^;]+|is', function ($string) {
            return $string . ';';
        });
    }

    /**
     * @param string $code
     * @return string
     */
    protected function collectFonts(&$code)
    {
        return $this->_collect($code, '|\@font-face\{[^}]+\}|is', function ($string) {
            return $string;
        });
    }

    /**
     * @param string $code
     * @param string $pattern
     * @param callable $handler
     * @return string
     */
    protected function _collect(&$code, $pattern, $handler)
    {
        $result = '';

        preg_match_all($pattern, $code, $m);
        foreach ($m[0] as $string) {
            $string = $handler($string);
            $code = str_replace($string, '', $code);

            $result .= $string . PHP_EOL;
        }

        return $result;
    }

    /**
     * @param string $url
     * @return null|string
     */
    protected function _getImportContent($url)
    {
        $result = null;

        if ('url(' === StringHelper::byteSubstr($url, 0, 4)) {
            $url = str_replace(['url(\'', 'url("', 'url(', '\')', '")', ')'], '', $url);

            if (StringHelper::byteSubstr($url, 0, 2) === '//') {
                $url = preg_replace('|^//|', 'http://', $url, 1);
            }

            if (!empty($url)) {
                $result = file_get_contents($url);
            }
        }

        return $result;
    }
}

1			<?php
2			/**
3			* CSS.php
4			* @author Revin Roman
5			* @link https://rmrevin.com
6			*/
7
8			namespace rmrevin\yii\minify\components;
9
10			use yii\helpers\Html;
11			use yii\helpers\StringHelper;
12
13			/**
14			* Class CSS
15			* @package rmrevin\yii\minify\components
16			*/
17			class CSS extends MinifyComponent
18			{
19
20	4		public function minify()
21			{
22	4		$cssFiles = $this->view->cssFiles;
23
24	4		$this->view->cssFiles = [];
25
26	4		$toMinify = [];
27
28	4	View Code Duplication	foreach ($cssFiles as $file => $html) {
			0 ignored issues – show Duplication introduced 2016-05-22 22:04 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
29	4		if ($this->thisFileNeedMinify($file, $html)) {
30	4		$toMinify[$file] = $html;
31	4		} else {
32			if (!empty($toMinify)) {
33			$this->process($toMinify);
34
35			$toMinify = [];
36			}
37
38			$this->view->cssFiles[$file] = $html;
39			}
40	4		}
41
42	4		if (!empty($toMinify)) {
43	4		$this->process($toMinify);
44	4		}
45
46	4		unset($toMinify);
47	4		}
48
49			/**
50			* @param array $files
51			*/
52	4		protected function process(array $files)
53			{
54	4		$resultFile = $this->view->minify_path . '/' . $this->_getSummaryFilesHash($files) . '.css';
55
56	4		if (!file_exists($resultFile)) {
57	4		$css = '';
58
59	4		foreach ($files as $file => $html) {
60	4		$path = dirname($file);
61	4		$file = $this->getAbsoluteFilePath($file);
62
63	4		$content = file_get_contents($file);
64
65	4		$result = [];
66
67	4		preg_match_all('\|url\(([^)]+)\)\|is', $content, $m);
68	4		if (!empty($m[0])) {
69	4		foreach ($m[0] as $k => $v) {
70	4		if (in_array(strpos($m[1][$k], 'data:'), [0, 1], true)) {
71	4		continue;
72			}
73
74	4		$url = str_replace(['\'', '"'], '', $m[1][$k]);
75
76	4		if ($this->isUrl($url)) {
77	4		$result[$m[1][$k]] = $url;
78	4		} else {
79	4		$result[$m[1][$k]] = $path . '/' . $url;
80			}
81	4		}
82
83	4		$content = strtr($content, $result);
84	4		}
85
86	4		$css .= $content;
87	4		}
88
89	4		$this->expandImports($css);
90
91	4		$this->removeCssComments($css);
92
93	4		$css = (new \CSSmin())
94	4		->run($css, $this->view->css_linebreak_pos);
95
96	4		if (false !== $this->view->force_charset) {
97	2		$charsets = '@charset "' . (string)$this->view->force_charset . '";' . "\n";
98	2		} else {
99	2		$charsets = $this->collectCharsets($css);
100			}
101
102	4		$imports = $this->collectImports($css);
103	4		$fonts = $this->collectFonts($css);
104
105	4		file_put_contents($resultFile, $charsets . $imports . $fonts . $css);
106
107	4		if (false !== $this->view->file_mode) {
108	4		@chmod($resultFile, $this->view->file_mode);
			0 ignored issues – show Security Best Practice introduced 2016-05-22 22:04 UTC by Report Bug Copy Issue Report It seems like you do not handle an error condition here. This can introduce security issues, and is generally not recommended. If you suppress an error, we recommend checking for the error condition explicitly: // For example instead of @mkdir($dir); // Better use if (@mkdir($dir) === false) { throw new \RuntimeException('The directory '.$dir.' could not be created.'); } Loading history...
109	4		}
110	4		}
111
112	4		$file = sprintf('%s%s', \Yii::getAlias($this->view->web_path), str_replace(\Yii::getAlias($this->view->base_path), '', $resultFile));
113
114	4		$this->view->cssFiles[$file] = Html::cssFile($file);
115	4		}
116
117			/**
118			* @param string $code
119			*/
120	4		protected function removeCssComments(&$code)
121			{
122	4		if (true === $this->view->removeComments) {
123	4		$code = preg_replace('#/\(?:[^](?:\(?!/)))\*/#', '', $code);
124	4		}
125	4		}
126
127			/**
128			* @param string $code
129			*/
130	4		protected function expandImports(&$code)
131			{
132	4		if (true === $this->view->expand_imports) {
133	2		preg_match_all('\|\@import\s([^;]+);\|is', str_replace('&', '&', $code), $m);
134	2		if (!empty($m[0])) {
135	2		foreach ($m[0] as $k => $v) {
136	2		$import_url = $m[1][$k];
137	2		if (!empty($import_url)) {
138	2		$import_content = $this->_getImportContent($import_url);
139	2		if (!empty($import_content)) {
140	2		$code = str_replace($m[0][$k], $import_content, $code);
141	2		}
142	2		}
143	2		}
144	2		}
145	2		}
146	4		}
147
148			/**
149			* @param string $code
150			* @return string
151			*/
152	2		protected function collectCharsets(&$code)
153			{
154			return $this->_collect($code, '\|\@charset[^;]+\|is', function ($string) {
155	2		return $string . ';';
156	2		});
157			}
158
159			/**
160			* @param string $code
161			* @return string
162			*/
163	4		protected function collectImports(&$code)
164			{
165			return $this->_collect($code, '\|\@import[^;]+\|is', function ($string) {
166	2		return $string . ';';
167	4		});
168			}
169
170			/**
171			* @param string $code
172			* @return string
173			*/
174			protected function collectFonts(&$code)
175			{
176	4		return $this->_collect($code, '\|\@font-face\{[^}]+\}\|is', function ($string) {
177	2		return $string;
178	4		});
179			}
180
181			/**
182			* @param string $code
183			* @param string $pattern
184			* @param callable $handler
185			* @return string
186			*/
187	4		protected function _collect(&$code, $pattern, $handler)
188			{
189	4		$result = '';
190
191	4		preg_match_all($pattern, $code, $m);
192	4		foreach ($m[0] as $string) {
193	4		$string = $handler($string);
194	4		$code = str_replace($string, '', $code);
195
196	4		$result .= $string . PHP_EOL;
197	4		}
198
199	4		return $result;
200			}
201
202			/**
203			* @param string $url
204			* @return null\|string
205			*/
206	2		protected function _getImportContent($url)
207			{
208	2		$result = null;
209
210	2		if ('url(' === StringHelper::byteSubstr($url, 0, 4)) {
211	2		$url = str_replace(['url(\'', 'url("', 'url(', '\')', '")', ')'], '', $url);
212
213	2		if (StringHelper::byteSubstr($url, 0, 2) === '//') {
214	2		$url = preg_replace('\|^//\|', 'http://', $url, 1);
215	2		}
216
217	2		if (!empty($url)) {
218	2		$result = file_get_contents($url);
219	2		}
220	2		}
221
222	2		return $result;
223			}
224			}

rmrevin / yii2-minify-view

Push — master ( 2fd39c...5d8d2a )

CSS::removeCssComments() A

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