adhocore /
htmlup
| Total Complexity | 59 |
| Total Lines | 253 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like BlockElementParser often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use BlockElementParser, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 14 | abstract class BlockElementParser |
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| 15 | { |
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| 16 | use HtmlHelper; |
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| 17 | |||
| 18 | const RE_MD_QUOTE = '~^\s*(>+)\s+~'; |
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| 19 | const RE_RAW = '/^<\/?\w.*?\/?>/'; |
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| 20 | const RE_MD_SETEXT = '~^\s*(={3,}|-{3,})\s*$~'; |
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| 21 | const RE_MD_CODE = '/^```\s*([\w-]+)?/'; |
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| 22 | const RE_MD_RULE = '~^(_{3,}|\*{3,}|\-{3,})$~'; |
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| 23 | const RE_MD_TCOL = '~(\|\s*\:)?\s*\-{3,}\s*(\:\s*\|)?~'; |
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| 24 | const RE_MD_OL = '/^\d+\. /'; |
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| 25 | |||
| 26 | protected $lines = []; |
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| 27 | protected $stackList = []; |
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| 28 | protected $stackBlock = []; |
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| 29 | protected $stackTable = []; |
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| 30 | |||
| 31 | protected $pointer = -1; |
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| 32 | protected $listLevel = 0; |
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| 33 | protected $quoteLevel = 0; |
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| 34 | protected $indent = 0; |
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| 35 | protected $nextIndent = 0; |
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| 36 | protected $indentLen = 4; |
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| 37 | |||
| 38 | protected $indentStr = ' '; |
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| 39 | protected $line = ''; |
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| 40 | protected $trimmedLine = ''; |
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| 41 | protected $prevLine = ''; |
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| 42 | protected $trimmedPrevLine = ''; |
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| 43 | protected $nextLine = ''; |
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| 44 | protected $trimmedNextLine = ''; |
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| 45 | protected $markup = ''; |
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| 46 | |||
| 47 | protected $inList = \false; |
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| 48 | protected $inQuote = \false; |
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| 49 | protected $inPara = \false; |
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| 50 | protected $inHtml = \false; |
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| 51 | protected $inTable = \false; |
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| 52 | |||
| 53 | protected function parseBlockElements() |
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| 54 | { |
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| 55 | while (isset($this->lines[++$this->pointer])) { |
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| 56 | $this->init(); |
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|
Bug
introduced
by
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| 57 | |||
| 58 | if ($this->flush() || $this->raw()) { |
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| 59 | continue; |
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| 60 | } |
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| 61 | |||
| 62 | $this->quote(); |
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| 63 | |||
| 64 | if (($block = $this->isBlock()) || $this->inList) { |
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| 65 | $this->markup .= $block ? '' : $this->trimmedLine; |
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| 66 | |||
| 67 | continue; |
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| 68 | } |
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| 69 | |||
| 70 | $this->table() || $this->paragraph(); |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | protected function isBlock() |
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| 75 | { |
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| 76 | return $this->atx() || $this->setext() || $this->code() || $this->rule() || $this->listt(); |
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| 77 | } |
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| 78 | |||
| 79 | protected function atx() |
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| 80 | { |
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| 81 | if (isset($this->trimmedLine[0]) && $this->trimmedLine[0] === '#') { |
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| 82 | $level = \strlen($this->trimmedLine) - \strlen(\ltrim($this->trimmedLine, '#')); |
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| 83 | |||
| 84 | if ($level < 7) { |
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| 85 | $this->markup .= "\n<h{$level}>" . \ltrim(\ltrim($this->trimmedLine, '# ')) . "</h{$level}>"; |
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| 86 | |||
| 87 | return \true; |
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| 88 | } |
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| 89 | } |
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| 90 | } |
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| 91 | |||
| 92 | protected function setext() |
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| 93 | { |
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| 94 | if (\preg_match(static::RE_MD_SETEXT, $this->nextLine)) { |
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| 95 | $level = \trim($this->nextLine, '- ') === '' ? 2 : 1; |
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| 96 | |||
| 97 | $this->markup .= "\n<h{$level}>{$this->trimmedLine}</h{$level}>"; |
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| 98 | |||
| 99 | $this->pointer++; |
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| 100 | |||
| 101 | return \true; |
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| 102 | } |
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| 103 | } |
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| 104 | |||
| 105 | protected function code() |
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| 106 | { |
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| 107 | $isShifted = ($this->indent - $this->nextIndent) >= $this->indentLen; |
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| 108 | $codeBlock = \preg_match(static::RE_MD_CODE, $this->line, $codeMatch); |
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| 109 | |||
| 110 | if ($codeBlock || (!$this->inList && !$this->inQuote && $isShifted)) { |
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| 111 | $lang = isset($codeMatch[1]) |
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| 112 | ? ' class="language-' . $codeMatch[1] . '"' |
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| 113 | : ''; |
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| 114 | |||
| 115 | $this->markup .= "\n<pre><code{$lang}>"; |
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| 116 | |||
| 117 | if (!$codeBlock) { |
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| 118 | $this->markup .= $this->escape(\substr($this->line, $this->indentLen)); |
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| 119 | } |
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| 120 | |||
| 121 | $this->codeInternal($codeBlock); |
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| 122 | |||
| 123 | $this->pointer++; |
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| 124 | |||
| 125 | $this->markup .= '</code></pre>'; |
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| 126 | |||
| 127 | return \true; |
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| 128 | } |
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| 129 | } |
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| 130 | |||
| 131 | private function codeInternal($codeBlock) |
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| 132 | { |
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| 133 | while (isset($this->lines[$this->pointer + 1])) { |
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| 134 | $this->line = $this->escape($this->lines[$this->pointer + 1]); |
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| 135 | |||
| 136 | if (($codeBlock && \substr(\ltrim($this->line), 0, 3) !== '```') |
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| 137 | || \strpos($this->line, $this->indentStr) === 0 |
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| 138 | ) { |
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| 139 | $this->markup .= "\n"; // @todo: donot use \n for first line |
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| 140 | $this->markup .= $codeBlock ? $this->line : \substr($this->line, $this->indentLen); |
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| 141 | |||
| 142 | $this->pointer++; |
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| 143 | } else { |
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| 144 | break; |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | |||
| 149 | protected function rule() |
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| 150 | { |
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| 151 | if ($this->trimmedPrevLine === '' |
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| 152 | && \preg_match(static::RE_MD_RULE, $this->trimmedLine) |
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| 153 | ) { |
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| 154 | $this->markup .= "\n<hr />"; |
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| 155 | |||
| 156 | return \true; |
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| 157 | } |
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| 158 | } |
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| 159 | |||
| 160 | protected function listt() |
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| 180 | } |
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| 181 | } |
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| 182 | |||
| 183 | private function listInternal() |
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| 184 | { |
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| 185 | $isUl = \in_array(\substr($this->trimmedNextLine, 0, 2), ['- ', '* ', '+ ']); |
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| 186 | |||
| 187 | if ($isUl || \preg_match(static::RE_MD_OL, $this->trimmedNextLine)) { |
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| 188 | $wrapper = $isUl ? 'ul' : 'ol'; |
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| 189 | if ($this->nextIndent > $this->indent) { |
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| 190 | $this->stackList[] = "</li>\n"; |
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| 191 | $this->stackList[] = "</$wrapper>"; |
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| 192 | $this->markup .= "\n<$wrapper>\n"; |
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| 193 | |||
| 194 | $this->listLevel++; |
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| 195 | } else { |
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| 196 | $this->markup .= "</li>\n"; |
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| 197 | } |
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| 198 | |||
| 199 | if ($this->nextIndent < $this->indent) { |
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| 200 | $shift = \intval(($this->indent - $this->nextIndent) / $this->indentLen); |
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| 201 | |||
| 202 | while ($shift--) { |
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| 203 | $this->markup .= \array_pop($this->stackList); |
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| 204 | |||
| 205 | if ($this->listLevel > 2) { |
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| 206 | $this->markup .= \array_pop($this->stackList); |
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| 207 | } |
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| 208 | } |
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| 209 | } |
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| 210 | } else { |
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| 211 | $this->markup .= "</li>\n"; |
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| 212 | } |
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| 213 | } |
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| 214 | |||
| 215 | protected function table() |
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| 247 | } |
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| 248 | |||
| 249 | private function tableInternal($headerCount) |
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| 250 | { |
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| 251 | $columnCount = \preg_match_all(static::RE_MD_TCOL, \trim($this->trimmedNextLine, '|')); |
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| 252 | |||
| 253 | if ($headerCount > 0 && $headerCount <= $columnCount) { |
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| 267 | } |
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| 268 | } |
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| 270 |
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