michelf /
php-markdown
| @@ 280-311 (lines=32) @@ | ||
| 277 | * @param string $text |
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| 278 | * @return string |
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| 279 | */ |
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| 280 | protected function stripLinkDefinitions($text) { |
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| 281 | ||
| 282 | $less_than_tab = $this->tab_width - 1; |
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| 283 | ||
| 284 | // Link defs are in the form: ^[id]: url "optional title" |
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| 285 | $text = preg_replace_callback('{ |
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| 286 | ^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?: # id = $1 |
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| 287 | [ ]* |
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| 288 | \n? # maybe *one* newline |
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| 289 | [ ]* |
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| 290 | (?: |
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| 291 | <(.+?)> # url = $2 |
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| 292 | | |
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| 293 | (\S+?) # url = $3 |
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| 294 | ) |
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| 295 | [ ]* |
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| 296 | \n? # maybe one newline |
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| 297 | [ ]* |
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| 298 | (?: |
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| 299 | (?<=\s) # lookbehind for whitespace |
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| 300 | ["(] |
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| 301 | (.*?) # title = $4 |
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| 302 | [")] |
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| 303 | [ ]* |
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| 304 | )? # title is optional |
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| 305 | (?:\n+|\Z) |
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| 306 | }xm', |
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| 307 | array($this, '_stripLinkDefinitions_callback'), |
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| 308 | $text |
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| 309 | ); |
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| 310 | return $text; |
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| 311 | } |
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| 312 | ||
| 313 | /** |
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| 314 | * The callback to strip link definitions |
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| @@ 272-302 (lines=31) @@ | ||
| 269 | * @param string $text |
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| 270 | * @return string |
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| 271 | */ |
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| 272 | protected function stripLinkDefinitions($text) { |
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| 273 | $less_than_tab = $this->tab_width - 1; |
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| 274 | ||
| 275 | // Link defs are in the form: ^[id]: url "optional title" |
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| 276 | $text = preg_replace_callback('{ |
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| 277 | ^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?: # id = $1 |
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| 278 | [ ]* |
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| 279 | \n? # maybe *one* newline |
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| 280 | [ ]* |
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| 281 | (?: |
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| 282 | <(.+?)> # url = $2 |
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| 283 | | |
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| 284 | (\S+?) # url = $3 |
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| 285 | ) |
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| 286 | [ ]* |
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| 287 | \n? # maybe one newline |
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| 288 | [ ]* |
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| 289 | (?: |
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| 290 | (?<=\s) # lookbehind for whitespace |
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| 291 | ["(] |
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| 292 | (.*?) # title = $4 |
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| 293 | [")] |
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| 294 | [ ]* |
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| 295 | )? # title is optional |
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| 296 | (?:[ ]* '.$this->id_class_attr_catch_re.' )? # $5 = extra id & class attr |
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| 297 | (?:\n+|\Z) |
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| 298 | }xm', |
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| 299 | array($this, '_stripLinkDefinitions_callback'), |
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| 300 | $text); |
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| 301 | return $text; |
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| 302 | } |
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| 303 | ||
| 304 | /** |
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| 305 | * Strip link definition callback |
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| @@ 1437-1471 (lines=35) @@ | ||
| 1434 | * @param string $text |
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| 1435 | * @return string |
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| 1436 | */ |
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| 1437 | protected function doFencedCodeBlocks($text) { |
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| 1438 | ||
| 1439 | $less_than_tab = $this->tab_width; |
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| 1440 | ||
| 1441 | $text = preg_replace_callback('{ |
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| 1442 | (?:\n|\A) |
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| 1443 | # 1: Opening marker |
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| 1444 | ( |
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| 1445 | (?:~{3,}|`{3,}) # 3 or more tildes/backticks. |
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| 1446 | ) |
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| 1447 | [ ]* |
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| 1448 | (?: |
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| 1449 | \.?([-_:a-zA-Z0-9]+) # 2: standalone class name |
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| 1450 | )? |
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| 1451 | [ ]* |
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| 1452 | (?: |
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| 1453 | ' . $this->id_class_attr_catch_re . ' # 3: Extra attributes |
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| 1454 | )? |
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| 1455 | [ ]* \n # Whitespace and newline following marker. |
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| 1456 | ||
| 1457 | # 4: Content |
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| 1458 | ( |
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| 1459 | (?> |
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| 1460 | (?!\1 [ ]* \n) # Not a closing marker. |
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| 1461 | .*\n+ |
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| 1462 | )+ |
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| 1463 | ) |
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| 1464 | ||
| 1465 | # Closing marker. |
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| 1466 | \1 [ ]* (?= \n ) |
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| 1467 | }xm', |
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| 1468 | array($this, '_doFencedCodeBlocks_callback'), $text); |
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| 1469 | ||
| 1470 | return $text; |
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| 1471 | } |
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| 1472 | ||
| 1473 | /** |
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| 1474 | * Callback to process fenced code blocks |
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| @@ 1579-1601 (lines=23) @@ | ||
| 1576 | * @param string $text |
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| 1577 | * @return string |
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| 1578 | */ |
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| 1579 | protected function stripFootnotes($text) { |
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| 1580 | $less_than_tab = $this->tab_width - 1; |
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| 1581 | ||
| 1582 | // Link defs are in the form: [^id]: url "optional title" |
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| 1583 | $text = preg_replace_callback('{ |
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| 1584 | ^[ ]{0,' . $less_than_tab . '}\[\^(.+?)\][ ]?: # note_id = $1 |
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| 1585 | [ ]* |
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| 1586 | \n? # maybe *one* newline |
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| 1587 | ( # text = $2 (no blank lines allowed) |
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| 1588 | (?: |
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| 1589 | .+ # actual text |
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| 1590 | | |
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| 1591 | \n # newlines but |
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| 1592 | (?!\[.+?\][ ]?:\s)# negative lookahead for footnote or link definition marker. |
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| 1593 | (?!\n+[ ]{0,3}\S)# ensure line is not blank and followed |
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| 1594 | # by non-indented content |
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| 1595 | )* |
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| 1596 | ) |
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| 1597 | }xm', |
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| 1598 | array($this, '_stripFootnotes_callback'), |
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| 1599 | $text); |
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| 1600 | return $text; |
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| 1601 | } |
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| 1602 | ||
| 1603 | /** |
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| 1604 | * Callback for stripping footnotes |
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| @@ 1764-1775 (lines=12) @@ | ||
| 1761 | * @param string $text |
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| 1762 | * @return string |
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| 1763 | */ |
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| 1764 | protected function stripAbbreviations($text) { |
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| 1765 | $less_than_tab = $this->tab_width - 1; |
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| 1766 | ||
| 1767 | // Link defs are in the form: [id]*: url "optional title" |
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| 1768 | $text = preg_replace_callback('{ |
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| 1769 | ^[ ]{0,' . $less_than_tab . '}\*\[(.+?)\][ ]?: # abbr_id = $1 |
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| 1770 | (.*) # text = $2 (no blank lines allowed) |
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| 1771 | }xm', |
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| 1772 | array($this, '_stripAbbreviations_callback'), |
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| 1773 | $text); |
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| 1774 | return $text; |
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| 1775 | } |
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| 1776 | ||
| 1777 | /** |
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| 1778 | * Callback for stripping abbreviations |
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