X-Git-Url: https://git.plutz.net/?p=cgilite;a=blobdiff_plain;f=markdown.awk;h=540292c5cfbedd31875114e7d9cca073f3d629ff;hp=b0647922efdcbf5859dac4d3cda72145035403ed;hb=d1bb79cc914d707553de40a9b146265ac0f6b577;hpb=49a67fed963936a4e88b2a8904296a16a4bbb9eb diff --git a/markdown.awk b/markdown.awk index b064792..540292c 100755 --- a/markdown.awk +++ b/markdown.awk @@ -4,10 +4,6 @@ # EXPERIMENTAL Markdown processor with minimal dependencies. # Meant to support all features of John Grubers basic Markdown # + a number of common extensions, mostly inspired by Pandoc Markdown -# -# ToDo: -# - HTML processing / escaping (according to environment flag) -# - em-dashes and arrows # Supported Features / TODO: # ========================== @@ -52,7 +48,7 @@ # - ? Grid table (pandoc) # - ? Pipe table (php md pandoc) # - [x] Line blocks (pandoc) -# - [x] Task lists (pandoc) +# - [x] Task lists (pandoc, custom) # - [ ] Definition lists (php md, pandoc) # - [-] Numbered example lists (pandoc) # - [-] Metadata blocks (pandoc) @@ -127,12 +123,18 @@ function inline( line, LOCAL, len, code, href, guard ) { href = HTML( substr( line, 2, len - 2) ); return "" href "" inline( substr( line, len + 1) ); + # quick link email + } else if ( match( line, /^<[a-zA-Z0-9.!#$%&'\''*+\/=?^_`{|}~-]+@[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(\.[a-zA-Z0-9]([a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*>/ ) ) { + len = RLENGTH; + href = HTML( substr( line, 2, len - 2) ); + return "" href "" inline( substr( line, len + 1) ); + # inline links - } else if ( match(line, /^\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/) ) { + } else if ( match(line, /^\[([^]]+)\]\(([^"\)]+)([[:space:]]+"([^"]+)")?\)/) ) { len = RLENGTH; - text = gensub(/^\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\1", "g", line); - href = gensub(/^\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\2", "g", line); - title = gensub(/^\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\4", "g", line); + text = gensub(/^\[([^]]+)\]\(([^"\)]+)([[:space:]]+"([^"]+)")?\)/, "\\1", 1, substr(line, 1, len) ); + href = gensub(/^\[([^]]+)\]\(([^"\)]+)([[:space:]]+"([^"]+)")?\)/, "\\2", 1, substr(line, 1, len) ); + title = gensub(/^\[([^]]+)\]\(([^"\)]+)([[:space:]]+"([^"]+)")?\)/, "\\4", 1, substr(line, 1, len) ); if ( title ) { return "" inline( text ) "" inline( substr( line, len + 1) ); } else { @@ -142,8 +144,8 @@ function inline( line, LOCAL, len, code, href, guard ) { # reference style links } else if ( match(line, /^\[([^]]+)\] ?\[([^]]*)\]/ ) ) { len = RLENGTH; - text = gensub(/^\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\1", 1, line); - id = gensub(/^\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\2", 1, line); + text = gensub(/^\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\1", 1, substr(line, 1, len) ); + id = gensub(/^\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\2", 1, substr(line, 1, len) ); if ( ! id ) id = text; if ( rl_href[id] && rl_title[id] ) { return "" inline(text) "" inline( substr( line, len + 1) ); @@ -156,9 +158,9 @@ function inline( line, LOCAL, len, code, href, guard ) { # inline images } else if ( match(line, /^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/) ) { len = RLENGTH; - text = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\1", "g", line); - href = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\2", "g", line); - title = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\4", "g", line); + text = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\1", "g", substr(line, 1, len) ); + href = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\2", "g", substr(line, 1, len) ); + title = gensub(/^!\[([^]]+)\]\(([^"\)]+)([ \t]+"([^"]+)")?\)/, "\\4", "g", substr(line, 1, len) ); if ( title ) { return "\""" inline( substr( line, len + 1) ); } else { @@ -168,8 +170,8 @@ function inline( line, LOCAL, len, code, href, guard ) { # reference style images } else if ( match(line, /^!\[([^]]+)\] ?\[([^]]*)\]/ ) ) { len = RLENGTH; - text = gensub(/^!\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\1", 1, line); - id = gensub(/^!\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\2", 1, line); + text = gensub(/^!\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\1", 1, substr(line, 1, len) ); + id = gensub(/^!\[([^\n]+)\] ?\[([^\n]*)\].*/, "\\2", 1, substr(line, 1, len) ); if ( ! id ) id = text; if ( rl_href[id] && rl_title[id] ) { return "\""" inline( substr( line, len + 1) ); @@ -335,7 +337,7 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib } else if ( match( block, /^(~~~+|```+)/ ) ) { guard = substr( block, 1, RLENGTH ); code = gensub(/^[^\n]+\n/, "", 1, block); - attrib = gensub(/^:::+[ \t]*\{?[ \t]*([^\}\n]*)\}?[ \t]*\n.*$/, "\\1", 1, block); + attrib = gensub(/^(~~~+|```+)[ \t]*\{?[ \t]*([^\}\n]*)\}?[ \t]*\n.*$/, "\\2", 1, block); gsub(/[^a-zA-Z0-9_-]+/, " ", attrib); gsub(/(^ | $)/, "", attrib); if ( match(code, "(^|\n)" guard "+(\n|$)" ) ) { @@ -438,12 +440,28 @@ function _list( block, last, LOCAL, p) { } sub( /\n$/, "", p ); - # Task List (pandoc) - if ( p ~ /^\[ \].*/ ) { p = "" substr(p, 4); } - else if ( p ~ /^\[[xX]\].*/ ) { p = "" substr(p, 4); } - else if ( p ~ /^

\[ \].*/ ) { p = "

" substr(p, 7); } - else if ( p ~ /^

\[[xX]\].*/ ) { p = "

" substr(p, 7); } - return "

  • " p "
  • \n" _list( block, last ); + # Task List (pandoc, custom) + if ( p ~ /^\[ \].*/ ) { return "
  • " \ + substr(p, 4) "
  • \n" _list( block, last ); + } else if ( p ~ /^\[-\].*/ ) { return "
  • " \ + substr(p, 4) "
  • \n" _list( block, last ); + } else if ( p ~ /^\[\?\].*/ ) { return "
  • " \ + substr(p, 4) "
  • \n" _list( block, last ); + } else if ( p ~ /^\[\/\].*/ ) { return "
  • " \ + substr(p, 4) "
  • \n" _list( block, last ); + } else if ( p ~ /^\[[xX]\].*/ ) { return "
  • " \ + substr(p, 4) "
  • \n" _list( block, last ); + } else if ( p ~ /^

    \[ \].*/ ) { return "

  • " \ + substr(p, 7) "

  • \n" _list( block, last ); + } else if ( p ~ /^

    \[-\].*/ ) { return "

  • " \ + substr(p, 7) "

  • \n" _list( block, last ); + } else if ( p ~ /^

    \[\?\].*/ ) { return "

  • " \ + substr(p, 7) "

  • \n" _list( block, last ); + } else if ( p ~ /^

    \[\/\].*/ ) { return "

  • " \ + substr(p, 7) "

  • \n" _list( block, last ); + } else if ( p ~ /^

    \[[xX]\].*/ ) { return "

  • " \ + substr(p, 7) "

  • \n" _list( block, last ); + } else { return "
  • " p "
  • \n" _list( block, last ); } } BEGIN {