michelf /
php-markdown
| @@ 661-723 (lines=63) @@ | ||
| 658 | * @param string $text |
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| 659 | * @return string |
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| 660 | */ |
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| 661 | protected function doAnchors($text) { |
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| 662 | if ($this->in_anchor) { |
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| 663 | return $text; |
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| 664 | } |
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| 665 | $this->in_anchor = true; |
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| 666 | ||
| 667 | // First, handle reference-style links: [link text] [id] |
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| 668 | $text = preg_replace_callback('{ |
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| 669 | ( # wrap whole match in $1 |
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| 670 | \[ |
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| 671 | ('.$this->nested_brackets_re.') # link text = $2 |
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| 672 | \] |
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| 673 | ||
| 674 | [ ]? # one optional space |
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| 675 | (?:\n[ ]*)? # one optional newline followed by spaces |
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| 676 | ||
| 677 | \[ |
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| 678 | (.*?) # id = $3 |
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| 679 | \] |
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| 680 | ) |
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| 681 | }xs', |
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| 682 | array($this, '_doAnchors_reference_callback'), $text); |
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| 683 | ||
| 684 | // Next, inline-style links: [link text](url "optional title") |
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| 685 | $text = preg_replace_callback('{ |
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| 686 | ( # wrap whole match in $1 |
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| 687 | \[ |
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| 688 | ('.$this->nested_brackets_re.') # link text = $2 |
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| 689 | \] |
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| 690 | \( # literal paren |
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| 691 | [ \n]* |
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| 692 | (?: |
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| 693 | <(.+?)> # href = $3 |
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| 694 | | |
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| 695 | ('.$this->nested_url_parenthesis_re.') # href = $4 |
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| 696 | ) |
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| 697 | [ \n]* |
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| 698 | ( # $5 |
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| 699 | ([\'"]) # quote char = $6 |
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| 700 | (.*?) # Title = $7 |
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| 701 | \6 # matching quote |
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| 702 | [ \n]* # ignore any spaces/tabs between closing quote and ) |
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| 703 | )? # title is optional |
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| 704 | \) |
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| 705 | ) |
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| 706 | }xs', |
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| 707 | array($this, '_doAnchors_inline_callback'), $text); |
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| 708 | ||
| 709 | // Last, handle reference-style shortcuts: [link text] |
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| 710 | // These must come last in case you've also got [link text][1] |
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| 711 | // or [link text](/foo) |
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| 712 | $text = preg_replace_callback('{ |
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| 713 | ( # wrap whole match in $1 |
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| 714 | \[ |
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| 715 | ([^\[\]]+) # link text = $2; can\'t contain [ or ] |
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| 716 | \] |
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| 717 | ) |
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| 718 | }xs', |
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| 719 | array($this, '_doAnchors_reference_callback'), $text); |
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| 720 | ||
| 721 | $this->in_anchor = false; |
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| 722 | return $text; |
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| 723 | } |
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| 724 | ||
| 725 | /** |
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| 726 | * Callback method to parse referenced anchors |
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| @@ 820-883 (lines=64) @@ | ||
| 817 | * @param string $text |
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| 818 | * @return string |
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| 819 | */ |
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| 820 | protected function doAnchors($text) { |
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| 821 | if ($this->in_anchor) { |
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| 822 | return $text; |
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| 823 | } |
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| 824 | $this->in_anchor = true; |
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| 825 | ||
| 826 | // First, handle reference-style links: [link text] [id] |
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| 827 | $text = preg_replace_callback('{ |
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| 828 | ( # wrap whole match in $1 |
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| 829 | \[ |
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| 830 | (' . $this->nested_brackets_re . ') # link text = $2 |
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| 831 | \] |
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| 832 | ||
| 833 | [ ]? # one optional space |
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| 834 | (?:\n[ ]*)? # one optional newline followed by spaces |
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| 835 | ||
| 836 | \[ |
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| 837 | (.*?) # id = $3 |
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| 838 | \] |
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| 839 | ) |
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| 840 | }xs', |
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| 841 | array($this, '_doAnchors_reference_callback'), $text); |
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| 842 | ||
| 843 | // Next, inline-style links: [link text](url "optional title") |
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| 844 | $text = preg_replace_callback('{ |
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| 845 | ( # wrap whole match in $1 |
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| 846 | \[ |
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| 847 | (' . $this->nested_brackets_re . ') # link text = $2 |
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| 848 | \] |
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| 849 | \( # literal paren |
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| 850 | [ \n]* |
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| 851 | (?: |
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| 852 | <(.+?)> # href = $3 |
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| 853 | | |
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| 854 | (' . $this->nested_url_parenthesis_re . ') # href = $4 |
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| 855 | ) |
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| 856 | [ \n]* |
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| 857 | ( # $5 |
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| 858 | ([\'"]) # quote char = $6 |
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| 859 | (.*?) # Title = $7 |
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| 860 | \6 # matching quote |
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| 861 | [ \n]* # ignore any spaces/tabs between closing quote and ) |
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| 862 | )? # title is optional |
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| 863 | \) |
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| 864 | (?:[ ]? ' . $this->id_class_attr_catch_re . ' )? # $8 = id/class attributes |
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| 865 | ) |
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| 866 | }xs', |
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| 867 | array($this, '_doAnchors_inline_callback'), $text); |
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| 868 | ||
| 869 | // Last, handle reference-style shortcuts: [link text] |
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| 870 | // These must come last in case you've also got [link text][1] |
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| 871 | // or [link text](/foo) |
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| 872 | $text = preg_replace_callback('{ |
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| 873 | ( # wrap whole match in $1 |
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| 874 | \[ |
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| 875 | ([^\[\]]+) # link text = $2; can\'t contain [ or ] |
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| 876 | \] |
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| 877 | ) |
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| 878 | }xs', |
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| 879 | array($this, '_doAnchors_reference_callback'), $text); |
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| 880 | ||
| 881 | $this->in_anchor = false; |
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| 882 | return $text; |
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| 883 | } |
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| 884 | ||
| 885 | /** |
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| 886 | * Callback for reference anchors |
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