Generator::updateLinks() - Code Metrics - Inspection of "links to other .md files in sources are updated to..." - nexendrie/site-generator - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 4d3d2e...ce241e )

by Jakub

created 2018-05-05 12:31 UTC

Generator::updateLinks() B

↳ Parent: Generator

Complexity

Conditions	6
Paths	7

Size

Total Lines	26
Code Lines	20

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	21
CRAP Score	6

Importance

Changes

Metric	Value
cc	6
eloc	20
nc	7
nop	3
dl	0
loc	26
ccs	21
cts	21
cp	1
crap	6
rs	8.439
c	0
b	0
f	0

<?php
declare(strict_types=1);

namespace Nexendrie\SiteGenerator;

use Nette\Utils\Finder,
    Nette\Neon\Neon,
    Nette\Utils\FileSystem,
    Symfony\Component\OptionsResolver\OptionsResolver,
    Nette\Utils\Validators,
    Nette\Utils\Strings;

/**
 * Generator
 *
 * @author Jakub Konečný
 * @property string $source
 * @property string $output
 * @property-read Finder|\SplFileInfo[] $filesToProcess
 * @method void onBeforeGenerate()
 * @method void onCreatePage(string $html, Generator $generator, string $filename)
 * @method void onAfterGenerate()
 */
final class Generator {
  use \Nette\SmartObject;
  
  /** @var string */
  protected $templateFile = __DIR__ . "/template.html";
  /** @var string[] */
  protected $ignoredFiles = [
    "README.md",
  ];
  /** @var string[] */
  protected $ignoredFolders = [
    "vendor", ".git", "tests",
  ];
  /** @var string */
  protected $source;
  /** @var string */
  protected $output;
  /** @var Finder|\SplFileInfo[] */
  protected $filesToProcess;
  /** @var string[] */
  protected $assets = [];
  /** @var callable[] */
  protected $metaNormalizers = [];
  /** @var callable[] */
  public $onBeforeGenerate = [];
  /** @var callable[] */
  public $onCreatePage = [];
  /** @var callable[] */
  public $onAfterGenerate = [];
  
  public function __construct(string $source, string $output) {
    $this->setSource($source);
    FileSystem::createDir($output);
    $this->setOutput($output);
    $this->onBeforeGenerate[] = [$this, "getFilesToProcess"];
    $this->onBeforeGenerate[] = [$this, "clearOutputFolder"];
    $this->onCreatePage[] = [$this, "processImages"];
    $this->onAfterGenerate[] = [$this, "copyAssets"];
    $this->addMetaNormalizer([$this, "normalizeTitle"]);
    $this->addMetaNormalizer([$this, "normalizeStyles"]);
    $this->addMetaNormalizer([$this, "normalizeScripts"]);
    $this->addMetaNormalizer([$this, "updateLinks"]);
  }
  
  public function addMetaNormalizer(callable $callback): void {
    $this->metaNormalizers[] = $callback;
  }
  
  public function getSource(): string {
    return $this->source;
  }
  
  public function setSource(string $source) {
    if(is_dir($source)) {
      $this->source = realpath($source);
    }
  }
  
  public function getOutput(): string {
    return $this->output;
  }
  
  public function setOutput(string $output) {
    $this->output = realpath($output);
  }
  
  protected function createMetaResolver(): OptionsResolver {
    $resolver = new OptionsResolver();
    $resolver->setDefaults([
      "title" => "",
      "styles" => [],
      "scripts" => [],
    ]);
    $isArrayOfStrings = function(array $value) {
      return Validators::everyIs($value, "string");
    };
    $resolver->setAllowedTypes("title", "string");
    $resolver->setAllowedTypes("styles", "array");
    $resolver->setAllowedValues("styles", $isArrayOfStrings);
    $resolver->setAllowedTypes("scripts", "array");
    $resolver->setAllowedValues("scripts", $isArrayOfStrings);
    return $resolver;
  }
  
  protected function getMetafileName(string $filename): string {
    return str_replace(".md", ".neon", $filename);
  }
  
  protected function getMeta(string $filename, string &$html): array {
    $resolver = $this->createMetaResolver();
    $metaFilename = $this->getMetafileName($filename);
    $meta = [];
    if(file_exists($metaFilename)) {
      $meta = Neon::decode(file_get_contents($metaFilename));
    }
    $result = $resolver->resolve($meta);
    foreach($this->metaNormalizers as $normalizer) {
      $normalizer($result, $html, $filename);
    }
    return $result;
  }
  
  protected function addAsset(string $asset): void {
    $asset = realpath($asset);
    if(!in_array($asset, $this->assets, true)) {
      $this->assets[] = $asset;
    }
  }
  
  protected function normalizeTitle(array &$meta, string &$html, string $filename): void {
    if(strlen($meta["title"]) === 0) {
      unset($meta["title"]);
      $html = str_replace("
  <title>%%title%%</title>", "", $html);
    }
  }
  
  protected function removeInvalidFiles(array &$input, string $basePath): void {
    $input = array_filter($input, function($value) use($basePath) {
      return file_exists("$basePath/$value");
    });
  }
  
  protected function normalizeStyles(array &$meta, string &$html, string $filename): void {
    $basePath = dirname($filename);
    $this->removeInvalidFiles($meta["styles"], $basePath);
    if(count($meta["styles"]) === 0) {
      unset($meta["styles"]);
      $html = str_replace("
  %%styles%%", "", $html);
      return;
    }
    array_walk($meta["styles"], function(&$value) use($basePath) {
      $this->addAsset("$basePath/$value");
      $value = "<link rel=\"stylesheet\" type=\"text/css\" href=\"$value\">";
    });
    $meta["styles"] = implode("\n  ", $meta["styles"]);
  }
  
  protected function normalizeScripts(array &$meta, string &$html, string $filename): void {
    $basePath = dirname($filename);
    $this->removeInvalidFiles($meta["scripts"], $basePath);
    if(count($meta["scripts"]) === 0) {
      unset($meta["scripts"]);
      $html = str_replace("
  %%scripts%%", "", $html);
      return;
    }
    array_walk($meta["scripts"], function(&$value) use($basePath) {
      $this->addAsset("$basePath/$value");
      $value = "<script type=\"text/javascript\" src=\"$value\"></script>";
    });
    $meta["scripts"] = implode("\n  ", $meta["scripts"]);
  }
  
  protected function updateLinks(array &$meta, string &$html, string $filename): void {

    $dom = new \DOMDocument();
    set_error_handler(function($errno) {
      return $errno === E_WARNING;
    });
    $dom->loadHTML($html);
    restore_error_handler();
    $links = $dom->getElementsByTagName("a");
    /** @var \DOMElement $link */
    foreach($links as $link) {
      $oldContent = $dom->saveHTML($link);
      $needsUpdate = false;
      $target = $link->getAttribute("href");
      $target = dirname($filename) .  "/" . $target;
      foreach($this->filesToProcess as $file) {
        if($target === $file->getRealPath() AND Strings::endsWith($target, ".md")) {
          $needsUpdate = true;
          continue;
        }
      }
      if(!$needsUpdate) {
        continue;
      }
      $link->setAttribute("href", str_replace(".md", ".html", $link->getAttribute("href")));
      $newContent = $dom->saveHTML($link);
      $html = str_replace($oldContent, $newContent, $html);
    }
  }
  
  protected function createMarkdownParser(): \cebe\markdown\Markdown {
    return new MarkdownParser();
  }
  
  protected function createHtml(string $filename): string {
    $parser = $this->createMarkdownParser();
    $source = $parser->parse(file_get_contents($filename));
    $html = file_get_contents($this->templateFile);
    $html = str_replace("%%source%%", $source, $html);
    return $html;
  }
  
  /**
   * @internal
   * @return Finder|\SplFileInfo[]
   */
  public function getFilesToProcess(): Finder {
    $this->filesToProcess = Finder::findFiles("*.md")

      ->exclude($this->ignoredFiles)
      ->from($this->source)
      ->exclude($this->ignoredFolders);
    return $this->filesToProcess;
  }
  
  /**
   * @internal
   */
  public function clearOutputFolder(): void {
    FileSystem::delete($this->output);
  }
  
  /**
   * @internal
   */
  public function copyAssets(): void {
    foreach($this->assets as $asset) {
      $path = str_replace($this->source, "", $asset);
      $target = "$this->output$path";
      FileSystem::copy($asset, $target);
      echo "Copied $path";
    }
  }
  
  /**
   * @internal
   */
  public function processImages(string $html, self $generator, string $filename): void {
    $dom = new \DOMDocument();
    $dom->loadHTML($html);
    $images = $dom->getElementsByTagName("img");
    /** @var \DOMElement $image */
    foreach($images as $image) {
      $path = dirname($filename) . "/" . $image->getAttribute("src");
      if(file_exists($path)) {
        $generator->addAsset($path);
      }
    }
  }
  
  /**
   * Generate the site
   */
  public function generate(): void {
    $this->onBeforeGenerate();
    foreach($this->filesToProcess as $file) {
      $path = str_replace($this->source, "", dirname($file->getRealPath()));
      $html = $this->createHtml($file->getRealPath());
      $meta = $this->getMeta($file->getRealPath(), $html);
      foreach($meta as $key => $value) {
        $html = str_replace("%%$key%%", $value, $html);
      }
      $basename = $file->getBasename(".md") . ".html";
      $filename = "$this->output$path/$basename";
      FileSystem::write($filename, $html);
      echo "Created $path/$basename\n";
      $this->onCreatePage($html, $this, $file->getRealPath());
    }
    $this->onAfterGenerate();
  }
}
?>

1		<?php
2		declare(strict_types=1);
3
4		namespace Nexendrie\SiteGenerator;
5
6		use Nette\Utils\Finder,
7		Nette\Neon\Neon,
8		Nette\Utils\FileSystem,
9		Symfony\Component\OptionsResolver\OptionsResolver,
10		Nette\Utils\Validators,
11		Nette\Utils\Strings;
12
13		/**
14		* Generator
15		*
16		* @author Jakub Konečný
17		* @property string $source
18		* @property string $output
19		* @property-read Finder\|\SplFileInfo[] $filesToProcess
20		* @method void onBeforeGenerate()
21		* @method void onCreatePage(string $html, Generator $generator, string $filename)
22		* @method void onAfterGenerate()
23		*/
24	1	final class Generator {
25	1	use \Nette\SmartObject;
26
27		/** @var string */
28		protected $templateFile = __DIR__ . "/template.html";
29		/** @var string[] */
30		protected $ignoredFiles = [
31		"README.md",
32		];
33		/** @var string[] */
34		protected $ignoredFolders = [
35		"vendor", ".git", "tests",
36		];
37		/** @var string */
38		protected $source;
39		/** @var string */
40		protected $output;
41		/** @var Finder\|\SplFileInfo[] */
42		protected $filesToProcess;
43		/** @var string[] */
44		protected $assets = [];
45		/** @var callable[] */
46		protected $metaNormalizers = [];
47		/** @var callable[] */
48		public $onBeforeGenerate = [];
49		/** @var callable[] */
50		public $onCreatePage = [];
51		/** @var callable[] */
52		public $onAfterGenerate = [];
53
54		public function __construct(string $source, string $output) {
55	1	$this->setSource($source);
56	1	FileSystem::createDir($output);
57	1	$this->setOutput($output);
58	1	$this->onBeforeGenerate[] = [$this, "getFilesToProcess"];
59	1	$this->onBeforeGenerate[] = [$this, "clearOutputFolder"];
60	1	$this->onCreatePage[] = [$this, "processImages"];
61	1	$this->onAfterGenerate[] = [$this, "copyAssets"];
62	1	$this->addMetaNormalizer([$this, "normalizeTitle"]);
63	1	$this->addMetaNormalizer([$this, "normalizeStyles"]);
64	1	$this->addMetaNormalizer([$this, "normalizeScripts"]);
65	1	$this->addMetaNormalizer([$this, "updateLinks"]);
66	1	}
67
68		public function addMetaNormalizer(callable $callback): void {
69	1	$this->metaNormalizers[] = $callback;
70	1	}
71
72		public function getSource(): string {
73	1	return $this->source;
74		}
75
76		public function setSource(string $source) {
77	1	if(is_dir($source)) {
78	1	$this->source = realpath($source);
79		}
80	1	}
81
82		public function getOutput(): string {
83	1	return $this->output;
84		}
85
86		public function setOutput(string $output) {
87	1	$this->output = realpath($output);
88	1	}
89
90		protected function createMetaResolver(): OptionsResolver {
91	1	$resolver = new OptionsResolver();
92	1	$resolver->setDefaults([
93	1	"title" => "",
94		"styles" => [],
95		"scripts" => [],
96		]);
97	1	$isArrayOfStrings = function(array $value) {
98	1	return Validators::everyIs($value, "string");
99	1	};
100	1	$resolver->setAllowedTypes("title", "string");
101	1	$resolver->setAllowedTypes("styles", "array");
102	1	$resolver->setAllowedValues("styles", $isArrayOfStrings);
103	1	$resolver->setAllowedTypes("scripts", "array");
104	1	$resolver->setAllowedValues("scripts", $isArrayOfStrings);
105	1	return $resolver;
106		}
107
108		protected function getMetafileName(string $filename): string {
109	1	return str_replace(".md", ".neon", $filename);
110		}
111
112		protected function getMeta(string $filename, string &$html): array {
113	1	$resolver = $this->createMetaResolver();
114	1	$metaFilename = $this->getMetafileName($filename);
115	1	$meta = [];
116	1	if(file_exists($metaFilename)) {
117	1	$meta = Neon::decode(file_get_contents($metaFilename));
118		}
119	1	$result = $resolver->resolve($meta);
120	1	foreach($this->metaNormalizers as $normalizer) {
121	1	$normalizer($result, $html, $filename);
122		}
123	1	return $result;
124		}
125
126		protected function addAsset(string $asset): void {
127	1	$asset = realpath($asset);
128	1	if(!in_array($asset, $this->assets, true)) {
129	1	$this->assets[] = $asset;
130		}
131	1	}
132
133		protected function normalizeTitle(array &$meta, string &$html, string $filename): void {
134	1	if(strlen($meta["title"]) === 0) {
135	1	unset($meta["title"]);
136	1	$html = str_replace("
137	1	<title>%%title%%</title>", "", $html);
138		}
139	1	}
140
141		protected function removeInvalidFiles(array &$input, string $basePath): void {
142	1	$input = array_filter($input, function($value) use($basePath) {
143	1	return file_exists("$basePath/$value");
144	1	});
145	1	}
146
147		protected function normalizeStyles(array &$meta, string &$html, string $filename): void {
148	1	$basePath = dirname($filename);
149	1	$this->removeInvalidFiles($meta["styles"], $basePath);
150	1	if(count($meta["styles"]) === 0) {
151	1	unset($meta["styles"]);
152	1	$html = str_replace("
153	1	%%styles%%", "", $html);
154	1	return;
155		}
156	1	array_walk($meta["styles"], function(&$value) use($basePath) {
157	1	$this->addAsset("$basePath/$value");
158	1	$value = "<link rel=\"stylesheet\" type=\"text/css\" href=\"$value\">";
159	1	});
160	1	$meta["styles"] = implode("\n ", $meta["styles"]);
161	1	}
162
163		protected function normalizeScripts(array &$meta, string &$html, string $filename): void {
164	1	$basePath = dirname($filename);
165	1	$this->removeInvalidFiles($meta["scripts"], $basePath);
166	1	if(count($meta["scripts"]) === 0) {
167	1	unset($meta["scripts"]);
168	1	$html = str_replace("
169	1	%%scripts%%", "", $html);
170	1	return;
171		}
172	1	array_walk($meta["scripts"], function(&$value) use($basePath) {
173	1	$this->addAsset("$basePath/$value");
174	1	$value = "<script type=\"text/javascript\" src=\"$value\"></script>";
175	1	});
176	1	$meta["scripts"] = implode("\n ", $meta["scripts"]);
177	1	}
178
179		protected function updateLinks(array &$meta, string &$html, string $filename): void {
		1 ignored issue – show introduced 2018-05-05 12:34 UTC by Report Bug Copy Issue Report The method parameter $meta is never used Loading history...
180	1	$dom = new \DOMDocument();
181	1	set_error_handler(function($errno) {
182	1	return $errno === E_WARNING;
183	1	});
184	1	$dom->loadHTML($html);
185	1	restore_error_handler();
186	1	$links = $dom->getElementsByTagName("a");
187		/** @var \DOMElement $link */
188	1	foreach($links as $link) {
189	1	$oldContent = $dom->saveHTML($link);
190	1	$needsUpdate = false;
191	1	$target = $link->getAttribute("href");
192	1	$target = dirname($filename) . "/" . $target;
193	1	foreach($this->filesToProcess as $file) {
194	1	if($target === $file->getRealPath() AND Strings::endsWith($target, ".md")) {
195	1	$needsUpdate = true;
196	1	continue;
197		}
198		}
199	1	if(!$needsUpdate) {
200	1	continue;
201		}
202	1	$link->setAttribute("href", str_replace(".md", ".html", $link->getAttribute("href")));
203	1	$newContent = $dom->saveHTML($link);
204	1	$html = str_replace($oldContent, $newContent, $html);
205		}
206	1	}
207
208		protected function createMarkdownParser(): \cebe\markdown\Markdown {
209	1	return new MarkdownParser();
210		}
211
212		protected function createHtml(string $filename): string {
213	1	$parser = $this->createMarkdownParser();
214	1	$source = $parser->parse(file_get_contents($filename));
215	1	$html = file_get_contents($this->templateFile);
216	1	$html = str_replace("%%source%%", $source, $html);
217	1	return $html;
218		}
219
220		/**
221		* @internal
222		* @return Finder\|\SplFileInfo[]
223		*/
224		public function getFilesToProcess(): Finder {
225	1	$this->filesToProcess = Finder::findFiles("*.md")
		1 ignored issue – show Bug introduced 2018-05-05 12:34 UTC by Report Bug Copy Issue Report The property `filesToProcess` is declared read-only in `Nexendrie\SiteGenerator\Generator`. Loading history...
226	1	->exclude($this->ignoredFiles)
227	1	->from($this->source)
228	1	->exclude($this->ignoredFolders);
229	1	return $this->filesToProcess;
230		}
231
232		/**
233		* @internal
234		*/
235		public function clearOutputFolder(): void {
236	1	FileSystem::delete($this->output);
237	1	}
238
239		/**
240		* @internal
241		*/
242		public function copyAssets(): void {
243	1	foreach($this->assets as $asset) {
244	1	$path = str_replace($this->source, "", $asset);
245	1	$target = "$this->output$path";
246	1	FileSystem::copy($asset, $target);
247	1	echo "Copied $path";
248		}
249	1	}
250
251		/**
252		* @internal
253		*/
254		public function processImages(string $html, self $generator, string $filename): void {
255	1	$dom = new \DOMDocument();
256	1	$dom->loadHTML($html);
257	1	$images = $dom->getElementsByTagName("img");
258		/** @var \DOMElement $image */
259	1	foreach($images as $image) {
260	1	$path = dirname($filename) . "/" . $image->getAttribute("src");
261	1	if(file_exists($path)) {
262	1	$generator->addAsset($path);
263		}
264		}
265	1	}
266
267		/**
268		* Generate the site
269		*/
270		public function generate(): void {
271	1	$this->onBeforeGenerate();
272	1	foreach($this->filesToProcess as $file) {
273	1	$path = str_replace($this->source, "", dirname($file->getRealPath()));
274	1	$html = $this->createHtml($file->getRealPath());
275	1	$meta = $this->getMeta($file->getRealPath(), $html);
276	1	foreach($meta as $key => $value) {
277	1	$html = str_replace("%%$key%%", $value, $html);
278		}
279	1	$basename = $file->getBasename(".md") . ".html";
280	1	$filename = "$this->output$path/$basename";
281	1	FileSystem::write($filename, $html);
282	1	echo "Created $path/$basename\n";
283	1	$this->onCreatePage($html, $this, $file->getRealPath());
284		}
285	1	$this->onAfterGenerate();
286	1	}
287		}
288		?>

nexendrie / site-generator

Push — master ( 4d3d2e...ce241e )

Generator::updateLinks() B

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