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DocBlockGenerator.php
001 <?php
002 /**
003 * Zend Framework (http://framework.zend.com/)
004 *
005 * @link http://github.com/zendframework/zf2 for the canonical source repository
006 * @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
007 * @license http://framework.zend.com/license/new-bsd New BSD License
008 */
009
010 namespace Zend\Code\Generator;
011
012 use Zend\Code\Generator\DocBlock\Tag;
013 use Zend\Code\Generator\DocBlock\Tag\TagInterface;
014 use Zend\Code\Generator\DocBlock\TagManager;
015 use Zend\Code\Reflection\DocBlockReflection;
016
017 use function explode;
018 use function is_array;
019 use function sprintf;
020 use function str_replace;
021 use function strtolower;
022 use function trim;
023 use function wordwrap;
024
025 class DocBlockGenerator extends AbstractGenerator
026 {
027 /**
028 * @var string
029 */
030 protected $shortDescription;
031
032 /**
033 * @var string
034 */
035 protected $longDescription;
036
037 /**
038 * @var array
039 */
040 protected $tags = [];
041
042 /**
043 * @var string
044 */
045 protected $indentation = '';
046
047 /**
048 * @var bool
049 */
050 protected $wordwrap = true;
051
052 /**
053 * @var TagManager
054 */
055 protected static $tagManager;
056
057 /**
058 * Build a DocBlock generator object from a reflection object
059 *
060 * @param DocBlockReflection $reflectionDocBlock
061 * @return DocBlockGenerator
062 */
063 public static function fromReflection(DocBlockReflection $reflectionDocBlock)
064 {
065 $docBlock = new static();
066
067 $docBlock->setSourceContent($reflectionDocBlock->getContents());
068 $docBlock->setSourceDirty(false);
069
070 $docBlock->setShortDescription($reflectionDocBlock->getShortDescription());
071 $docBlock->setLongDescription($reflectionDocBlock->getLongDescription());
072
073 foreach ($reflectionDocBlock->getTags() as $tag) {
074 $docBlock->setTag(self::getTagManager()->createTagFromReflection($tag));
075 }
076
077 return $docBlock;
078 }
079
080 /**
081 * Generate from array
082 *
083 * @configkey shortdescription string The short description for this doc block
084 * @configkey longdescription string The long description for this doc block
085 * @configkey tags array
086 *
087 * @throws Exception\InvalidArgumentException
088 * @param array $array
089 * @return DocBlockGenerator
090 */
091 public static function fromArray(array $array)
092 {
093 $docBlock = new static();
094
095 foreach ($array as $name => $value) {
096 // normalize key
097 switch (strtolower(str_replace(['.', '-', '_'], '', $name))) {
098 case 'shortdescription':
099 $docBlock->setShortDescription($value);
100 break;
101 case 'longdescription':
102 $docBlock->setLongDescription($value);
103 break;
104 case 'tags':
105 $docBlock->setTags($value);
106 break;
107 }
108 }
109
110 return $docBlock;
111 }
112
113 /**
114 * @return TagManager
115 */
116 protected static function getTagManager()
117 {
118 if (! isset(static::$tagManager)) {
119 static::$tagManager = new TagManager();
120 static::$tagManager->initializeDefaultTags();
121 }
122 return static::$tagManager;
123 }
124
125 /**
126 * @param string $shortDescription
127 * @param string $longDescription
128 * @param array $tags
129 */
130 public function __construct($shortDescription = null, $longDescription = null, array $tags = [])
131 {
132 if ($shortDescription) {
133 $this->setShortDescription($shortDescription);
134 }
135 if ($longDescription) {
136 $this->setLongDescription($longDescription);
137 }
138 if (is_array($tags) && $tags) {
139 $this->setTags($tags);
140 }
141 }
142
143 /**
144 * @param string $shortDescription
145 * @return DocBlockGenerator
146 */
147 public function setShortDescription($shortDescription)
148 {
149 $this->shortDescription = $shortDescription;
150 return $this;
151 }
152
153 /**
154 * @return string
155 */
156 public function getShortDescription()
157 {
158 return $this->shortDescription;
159 }
160
161 /**
162 * @param string $longDescription
163 * @return DocBlockGenerator
164 */
165 public function setLongDescription($longDescription)
166 {
167 $this->longDescription = $longDescription;
168 return $this;
169 }
170
171 /**
172 * @return string
173 */
174 public function getLongDescription()
175 {
176 return $this->longDescription;
177 }
178
179 /**
180 * @param array $tags
181 * @return DocBlockGenerator
182 */
183 public function setTags(array $tags)
184 {
185 foreach ($tags as $tag) {
186 $this->setTag($tag);
187 }
188
189 return $this;
190 }
191
192 /**
193 * @param array|TagInterface $tag
194 * @throws Exception\InvalidArgumentException
195 * @return DocBlockGenerator
196 */
197 public function setTag($tag)
198 {
199 if (is_array($tag)) {
200 // use deprecated Tag class for backward compatibility to old array-keys
201 $genericTag = new Tag();
202 $genericTag->setOptions($tag);
203 $tag = $genericTag;
204 } elseif (! $tag instanceof TagInterface) {
205 throw new Exception\InvalidArgumentException(sprintf(
206 '%s expects either an array of method options or an instance of %s\DocBlock\Tag\TagInterface',
207 __METHOD__,
208 __NAMESPACE__
209 ));
210 }
211
212 $this->tags[] = $tag;
213 return $this;
214 }
215
216 /**
217 * @return TagInterface[]
218 */
219 public function getTags()
220 {
221 return $this->tags;
222 }
223
224 /**
225 * @param bool $value
226 * @return DocBlockGenerator
227 */
228 public function setWordWrap($value)
229 {
230 $this->wordwrap = (bool) $value;
231 return $this;
232 }
233
234 /**
235 * @return bool
236 */
237 public function getWordWrap()
238 {
239 return $this->wordwrap;
240 }
241
242 /**
243 * @return string
244 */
245 public function generate()
246 {
247 if (! $this->isSourceDirty()) {
248 return $this->docCommentize(trim($this->getSourceContent()));
249 }
250
251 $output = '';
252 if (null !== ($sd = $this->getShortDescription())) {
253 $output .= $sd . self::LINE_FEED . self::LINE_FEED;
254 }
255 if (null !== ($ld = $this->getLongDescription())) {
256 $output .= $ld . self::LINE_FEED . self::LINE_FEED;
257 }
258
259 /* @var $tag GeneratorInterface */
260 foreach ($this->getTags() as $tag) {
261 $output .= $tag->generate() . self::LINE_FEED;
262 }
263
264 return $this->docCommentize(trim($output));
265 }
266
267 /**
268 * @param string $content
269 * @return string
270 */
271 protected function docCommentize($content)
272 {
273 $indent = $this->getIndentation();
274 $output = $indent . '/**' . self::LINE_FEED;
275 $content = $this->getWordWrap() == true ? wordwrap($content, 80, self::LINE_FEED) : $content;
276 $lines = explode(self::LINE_FEED, $content);
277 foreach ($lines as $line) {
278 $output .= $indent . ' *';
279 if ($line) {
280 $output .= ' ' . $line;
281 }
282 $output .= self::LINE_FEED;
283 }
284 $output .= $indent . ' */' . self::LINE_FEED;
285
286 return $output;
287 }
288 }
289