Conditions | 95 |
Paths | > 20000 |
Total Lines | 658 |
Lines | 30 |
Ratio | 4.56 % |
Changes | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
1 | <?php |
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92 | private function parse_block_elements(array $lines, $context = '') |
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93 | { |
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94 | $blocks = array(); |
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95 | |||
96 | $block = array( |
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97 | 'type' => '', |
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98 | ); |
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99 | |||
100 | foreach ($lines as $line) |
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101 | { |
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102 | # context |
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103 | |||
104 | switch ($block['type']) |
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105 | { |
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106 | case 'fenced': |
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107 | |||
108 | if ( ! isset($block['closed'])) |
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109 | { |
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110 | if (preg_match('/^[ ]*'.$block['fence'][0].'{3,}[ ]*$/', $line)) |
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111 | { |
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112 | $block['closed'] = true; |
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113 | } |
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114 | View Code Duplication | else |
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115 | { |
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116 | if ($block['text'] !== '') |
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117 | { |
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118 | $block['text'] .= "\n"; |
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119 | } |
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120 | |||
121 | $block['text'] .= $line; |
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122 | } |
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123 | |||
124 | continue 2; |
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125 | } |
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126 | |||
127 | break; |
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128 | |||
129 | case 'markup': |
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130 | |||
131 | if ( ! isset($block['closed'])) |
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132 | { |
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133 | if (strpos($line, $block['start']) !== false) # opening tag |
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134 | { |
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135 | $block['depth']++; |
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136 | } |
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137 | |||
138 | if (strpos($line, $block['end']) !== false) # closing tag |
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139 | { |
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140 | if ($block['depth'] > 0) |
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141 | { |
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142 | $block['depth']--; |
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143 | } |
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144 | else |
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145 | { |
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146 | $block['closed'] = true; |
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147 | } |
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148 | } |
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149 | |||
150 | $block['text'] .= "\n".$line; |
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151 | |||
152 | continue 2; |
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153 | } |
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154 | |||
155 | break; |
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156 | } |
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157 | |||
158 | # ~ |
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159 | |||
160 | $indentation = 0; |
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161 | |||
162 | while(isset($line[$indentation]) and $line[$indentation] === ' ') |
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163 | { |
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164 | $indentation++; |
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165 | } |
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166 | |||
167 | $outdented_line = $indentation > 0 ? ltrim($line) : $line; |
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168 | |||
169 | # blank |
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170 | |||
171 | if ($outdented_line === '') |
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172 | { |
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173 | $block['interrupted'] = true; |
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174 | |||
175 | continue; |
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176 | } |
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177 | |||
178 | # context |
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179 | |||
180 | switch ($block['type']) |
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181 | { |
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182 | case 'quote': |
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183 | |||
184 | if ( ! isset($block['interrupted'])) |
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185 | { |
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186 | $line = preg_replace('/^[ ]*>[ ]?/', '', $line); |
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187 | |||
188 | $block['lines'] []= $line; |
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189 | |||
190 | continue 2; |
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191 | } |
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192 | |||
193 | break; |
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194 | |||
195 | case 'li': |
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196 | |||
197 | if ($block['indentation'] === $indentation and preg_match('/^'.$block['marker'].'[ ]+(.*)/', $outdented_line, $matches)) |
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198 | { |
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199 | unset($block['last']); |
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200 | |||
201 | $blocks []= $block; |
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202 | |||
203 | $block['last'] = true; |
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204 | $block['lines'] = array($matches[1]); |
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205 | |||
206 | unset($block['first']); |
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207 | unset($block['interrupted']); |
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208 | |||
209 | continue 2; |
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210 | } |
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211 | |||
212 | if ( ! isset($block['interrupted'])) |
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213 | { |
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214 | $line = preg_replace('/^[ ]{0,'.$block['baseline'].'}/', '', $line); |
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215 | |||
216 | $block['lines'] []= $line; |
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217 | |||
218 | continue 2; |
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219 | } |
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220 | elseif ($line[0] === ' ') |
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221 | { |
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222 | $block['lines'] []= ''; |
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223 | |||
224 | $line = preg_replace('/^[ ]{0,'.$block['baseline'].'}/', '', $line); |
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225 | |||
226 | $block['lines'] []= $line; |
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227 | |||
228 | unset($block['interrupted']); |
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229 | |||
230 | continue 2; |
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231 | } |
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232 | |||
233 | break; |
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234 | } |
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235 | |||
236 | # indentation sensitive types |
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237 | |||
238 | switch ($line[0]) |
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239 | { |
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240 | case ' ': |
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241 | |||
242 | # code |
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243 | |||
244 | if ($indentation >= 4) |
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245 | { |
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246 | $code_line = substr($line, 4); |
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247 | |||
248 | if ($block['type'] === 'code') |
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249 | { |
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250 | if (isset($block['interrupted'])) |
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251 | { |
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252 | $block['text'] .= "\n"; |
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253 | |||
254 | unset($block['interrupted']); |
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255 | } |
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256 | |||
257 | $block['text'] .= "\n".$code_line; |
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258 | } |
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259 | else |
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260 | { |
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261 | $blocks []= $block; |
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262 | |||
263 | $block = array( |
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264 | 'type' => 'code', |
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265 | 'text' => $code_line, |
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266 | ); |
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267 | } |
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268 | |||
269 | continue 2; |
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270 | } |
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271 | |||
272 | break; |
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273 | |||
274 | case '#': |
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275 | |||
276 | # atx heading (#) |
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277 | |||
278 | if (isset($line[1])) |
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279 | { |
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280 | $blocks []= $block; |
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281 | |||
282 | $level = 1; |
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283 | |||
284 | while (isset($line[$level]) and $line[$level] === '#') |
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285 | { |
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286 | $level++; |
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287 | } |
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288 | |||
289 | $block = array( |
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290 | 'type' => 'heading', |
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291 | 'text' => trim($line, '# '), |
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292 | 'level' => $level, |
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293 | ); |
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294 | |||
295 | continue 2; |
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296 | } |
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297 | |||
298 | break; |
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299 | |||
300 | case '-': |
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301 | case '=': |
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302 | |||
303 | # setext heading (===) |
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304 | |||
305 | if ($block['type'] === 'paragraph' and isset($block['interrupted']) === false) |
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306 | { |
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307 | $chopped_line = chop($line); |
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308 | |||
309 | $i = 1; |
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310 | |||
311 | while (isset($chopped_line[$i])) |
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312 | { |
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313 | if ($chopped_line[$i] !== $line[0]) |
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314 | { |
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315 | break 2; |
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316 | } |
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317 | |||
318 | $i++; |
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319 | } |
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320 | |||
321 | $block['type'] = 'heading'; |
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322 | |||
323 | $block['level'] = $line[0] === '-' ? 2 : 1; |
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324 | |||
325 | continue 2; |
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326 | } |
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327 | |||
328 | break; |
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329 | } |
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330 | |||
331 | # indentation insensitive types |
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332 | |||
333 | switch ($outdented_line[0]) |
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334 | { |
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335 | case '<': |
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336 | |||
337 | $position = strpos($outdented_line, '>'); |
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338 | |||
339 | if ($position > 1) |
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340 | { |
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341 | $substring = substr($outdented_line, 1, $position - 1); |
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342 | |||
343 | $substring = chop($substring); |
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344 | |||
345 | if (substr($substring, -1) === '/') |
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346 | { |
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347 | $is_self_closing = true; |
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348 | |||
349 | $substring = substr($substring, 0, -1); |
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350 | } |
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351 | |||
352 | $position = strpos($substring, ' '); |
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353 | |||
354 | if ($position) |
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355 | { |
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356 | $name = substr($substring, 0, $position); |
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357 | } |
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358 | else |
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359 | { |
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360 | $name = $substring; |
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361 | } |
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362 | |||
363 | if ( ! ctype_alpha($name)) |
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364 | { |
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365 | break; |
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366 | } |
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367 | |||
368 | if (in_array($name, self::$text_level_elements)) |
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369 | { |
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370 | break; |
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371 | } |
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372 | |||
373 | $blocks []= $block; |
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374 | |||
375 | if (isset($is_self_closing)) |
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376 | { |
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377 | $block = array( |
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378 | 'type' => 'self-closing tag', |
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379 | 'text' => $outdented_line, |
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380 | ); |
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381 | |||
382 | unset($is_self_closing); |
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383 | |||
384 | continue 2; |
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385 | } |
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386 | |||
387 | $block = array( |
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388 | 'type' => 'markup', |
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389 | 'text' => $outdented_line, |
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390 | 'start' => '<'.$name.'>', |
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391 | 'end' => '</'.$name.'>', |
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392 | 'depth' => 0, |
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393 | ); |
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394 | |||
395 | if (strpos($outdented_line, $block['end'])) |
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396 | { |
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397 | $block['closed'] = true; |
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398 | } |
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399 | |||
400 | continue 2; |
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401 | } |
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402 | |||
403 | break; |
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404 | |||
405 | case '>': |
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406 | |||
407 | # quote |
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408 | |||
409 | if (preg_match('/^>[ ]?(.*)/', $outdented_line, $matches)) |
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410 | { |
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411 | $blocks []= $block; |
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412 | |||
413 | $block = array( |
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414 | 'type' => 'quote', |
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415 | 'lines' => array( |
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416 | $matches[1], |
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417 | ), |
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418 | ); |
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419 | |||
420 | continue 2; |
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421 | } |
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422 | |||
423 | break; |
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424 | |||
425 | case '[': |
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426 | |||
427 | # reference |
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428 | |||
429 | $position = strpos($outdented_line, ']:'); |
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430 | |||
431 | if ($position) |
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432 | { |
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433 | $reference = array(); |
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434 | |||
435 | $label = substr($outdented_line, 1, $position - 1); |
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436 | $label = strtolower($label); |
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437 | |||
438 | $substring = substr($outdented_line, $position + 2); |
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439 | $substring = trim($substring); |
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440 | |||
441 | if ($substring === '') |
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442 | { |
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443 | break; |
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444 | } |
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445 | |||
446 | if ($substring[0] === '<') |
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447 | { |
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448 | $position = strpos($substring, '>'); |
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449 | |||
450 | if ($position === false) |
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451 | { |
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452 | break; |
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453 | } |
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454 | |||
455 | $reference['»'] = substr($substring, 1, $position - 1); |
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456 | |||
457 | $substring = substr($substring, $position + 1); |
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458 | } |
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459 | else |
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460 | { |
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461 | $position = strpos($substring, ' '); |
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462 | |||
463 | if ($position === false) |
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464 | { |
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465 | $reference['»'] = $substring; |
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466 | |||
467 | $substring = false; |
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468 | } |
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469 | else |
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470 | { |
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471 | $reference['»'] = substr($substring, 0, $position); |
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472 | |||
473 | $substring = substr($substring, $position + 1); |
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474 | } |
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475 | } |
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476 | |||
477 | if ($substring !== false) |
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478 | { |
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479 | if ($substring[0] !== '"' and $substring[0] !== "'" and $substring[0] !== '(') |
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480 | { |
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481 | break; |
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482 | } |
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483 | |||
484 | $last_char = substr($substring, -1); |
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485 | |||
486 | if ($last_char !== '"' and $last_char !== "'" and $last_char !== ')') |
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487 | { |
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488 | break; |
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489 | } |
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490 | |||
491 | $reference['#'] = substr($substring, 1, -1); |
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492 | } |
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493 | |||
494 | $this->reference_map[$label] = $reference; |
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495 | |||
496 | continue 2; |
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497 | } |
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498 | |||
499 | break; |
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500 | |||
501 | case '`': |
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502 | case '~': |
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503 | |||
504 | # fenced code block |
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505 | |||
506 | if (preg_match('/^([`]{3,}|[~]{3,})[ ]*(\S+)?[ ]*$/', $outdented_line, $matches)) |
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507 | { |
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508 | $blocks []= $block; |
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509 | |||
510 | $block = array( |
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511 | 'type' => 'fenced', |
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512 | 'text' => '', |
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513 | 'fence' => $matches[1], |
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514 | ); |
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515 | |||
516 | if (isset($matches[2])) |
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517 | { |
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518 | $block['language'] = $matches[2]; |
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519 | } |
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520 | |||
521 | continue 2; |
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522 | } |
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523 | |||
524 | break; |
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525 | |||
526 | case '*': |
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527 | case '+': |
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528 | case '-': |
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529 | case '_': |
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530 | |||
531 | # hr |
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532 | |||
533 | if (preg_match('/^([-*_])([ ]{0,2}\1){2,}[ ]*$/', $outdented_line)) |
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534 | { |
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535 | $blocks []= $block; |
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536 | |||
537 | $block = array( |
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538 | 'type' => 'rule', |
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539 | ); |
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540 | |||
541 | continue 2; |
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542 | } |
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543 | |||
544 | # li |
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545 | |||
546 | if (preg_match('/^([*+-][ ]+)(.*)/', $outdented_line, $matches)) |
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547 | { |
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548 | $blocks []= $block; |
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549 | |||
550 | $baseline = $indentation + strlen($matches[1]); |
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551 | |||
552 | $block = array( |
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553 | 'type' => 'li', |
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554 | 'indentation' => $indentation, |
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555 | 'baseline' => $baseline, |
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556 | 'marker' => '[*+-]', |
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557 | 'first' => true, |
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558 | 'last' => true, |
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559 | 'lines' => array(), |
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560 | ); |
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561 | |||
562 | $block['lines'] []= preg_replace('/^[ ]{0,4}/', '', $matches[2]); |
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563 | |||
564 | continue 2; |
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565 | } |
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566 | } |
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567 | |||
568 | # li |
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569 | |||
570 | if ($outdented_line[0] <= '9' and preg_match('/^(\d+[.][ ]+)(.*)/', $outdented_line, $matches)) |
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571 | { |
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572 | $blocks []= $block; |
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573 | |||
574 | $baseline = $indentation + strlen($matches[1]); |
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575 | |||
576 | $block = array( |
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577 | 'type' => 'li', |
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578 | 'indentation' => $indentation, |
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579 | 'baseline' => $baseline, |
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580 | 'marker' => '\d+[.]', |
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581 | 'first' => true, |
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582 | 'last' => true, |
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583 | 'ordered' => true, |
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584 | 'lines' => array(), |
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585 | ); |
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586 | |||
587 | $block['lines'] []= preg_replace('/^[ ]{0,4}/', '', $matches[2]); |
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588 | |||
589 | continue; |
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590 | } |
||
591 | |||
592 | # paragraph |
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593 | |||
594 | if ($block['type'] === 'paragraph') |
||
595 | { |
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596 | if (isset($block['interrupted'])) |
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597 | { |
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598 | $blocks []= $block; |
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599 | |||
600 | $block['text'] = $line; |
||
601 | |||
602 | unset($block['interrupted']); |
||
603 | } |
||
604 | View Code Duplication | else |
|
605 | { |
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606 | if ($this->breaks_enabled) |
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607 | { |
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608 | $block['text'] .= ' '; |
||
609 | } |
||
610 | |||
611 | $block['text'] .= "\n".$line; |
||
612 | } |
||
613 | } |
||
614 | else |
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615 | { |
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616 | $blocks []= $block; |
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617 | |||
618 | $block = array( |
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619 | 'type' => 'paragraph', |
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620 | 'text' => $line, |
||
621 | ); |
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622 | } |
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623 | } |
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624 | |||
625 | $blocks []= $block; |
||
626 | |||
627 | unset($blocks[0]); |
||
628 | |||
629 | # $blocks » HTML |
||
630 | |||
631 | $markup = ''; |
||
632 | |||
633 | foreach ($blocks as $block) |
||
634 | { |
||
635 | switch ($block['type']) |
||
636 | { |
||
637 | case 'paragraph': |
||
638 | |||
639 | $text = $this->parse_span_elements($block['text']); |
||
640 | |||
641 | if ($context === 'li' and $markup === '') |
||
642 | { |
||
643 | if (isset($block['interrupted'])) |
||
644 | { |
||
645 | $markup .= "\n".'<p>'.$text.'</p>'."\n"; |
||
646 | } |
||
647 | else |
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648 | { |
||
649 | $markup .= $text; |
||
650 | |||
651 | if (isset($blocks[2])) |
||
652 | { |
||
653 | $markup .= "\n"; |
||
654 | } |
||
655 | } |
||
656 | } |
||
657 | else |
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658 | { |
||
659 | $markup .= '<p>'.$text.'</p>'."\n"; |
||
660 | } |
||
661 | |||
662 | break; |
||
663 | |||
664 | case 'quote': |
||
665 | |||
666 | $text = $this->parse_block_elements($block['lines']); |
||
667 | |||
668 | $markup .= '<blockquote>'."\n".$text.'</blockquote>'."\n"; |
||
669 | |||
670 | break; |
||
671 | |||
672 | case 'code': |
||
673 | |||
674 | $text = htmlspecialchars($block['text'], ENT_NOQUOTES, 'UTF-8'); |
||
675 | |||
676 | $markup .= '<pre><code>'.$text.'</code></pre>'."\n"; |
||
677 | |||
678 | break; |
||
679 | |||
680 | case 'fenced': |
||
681 | |||
682 | $text = htmlspecialchars($block['text'], ENT_NOQUOTES, 'UTF-8'); |
||
683 | |||
684 | $markup .= '<pre><code'; |
||
685 | |||
686 | if (isset($block['language'])) |
||
687 | { |
||
688 | $markup .= ' class="language-'.$block['language'].'"'; |
||
689 | } |
||
690 | |||
691 | $markup .= '>'.$text.'</code></pre>'."\n"; |
||
692 | |||
693 | break; |
||
694 | |||
695 | case 'heading': |
||
696 | |||
697 | $text = $this->parse_span_elements($block['text']); |
||
698 | |||
699 | $markup .= '<h'.$block['level'].'>'.$text.'</h'.$block['level'].'>'."\n"; |
||
700 | |||
701 | break; |
||
702 | |||
703 | case 'rule': |
||
704 | |||
705 | $markup .= '<hr />'."\n"; |
||
706 | |||
707 | break; |
||
708 | |||
709 | case 'li': |
||
710 | |||
711 | View Code Duplication | if (isset($block['first'])) |
|
712 | { |
||
713 | $type = isset($block['ordered']) ? 'ol' : 'ul'; |
||
714 | |||
715 | $markup .= '<'.$type.'>'."\n"; |
||
716 | } |
||
717 | |||
718 | if (isset($block['interrupted']) and ! isset($block['last'])) |
||
719 | { |
||
720 | $block['lines'] []= ''; |
||
721 | } |
||
722 | |||
723 | $text = $this->parse_block_elements($block['lines'], 'li'); |
||
724 | |||
725 | $markup .= '<li>'.$text.'</li>'."\n"; |
||
726 | |||
727 | View Code Duplication | if (isset($block['last'])) |
|
728 | { |
||
729 | $type = isset($block['ordered']) ? 'ol' : 'ul'; |
||
730 | |||
731 | $markup .= '</'.$type.'>'."\n"; |
||
732 | } |
||
733 | |||
734 | break; |
||
735 | |||
736 | case 'markup': |
||
737 | |||
738 | $markup .= $block['text']."\n"; |
||
739 | |||
740 | break; |
||
741 | |||
742 | default: |
||
743 | |||
744 | $markup .= $block['text']."\n"; |
||
745 | } |
||
746 | } |
||
747 | |||
748 | return $markup; |
||
749 | } |
||
750 | |||
1136 |
According to the PSR-2, the body of a case statement must start on the line immediately following the case statement.
}
To learn more about the PSR-2 coding standard, please refer to the PHP-Fig.