X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=markdown.awk;h=3b5a9bb063ce8e18c7a7bc41abfa8569f08bad15;hb=4ee910d547ff383c57c513436a6ed2576f66bf0d;hp=4b180ebb3df2277ca2335a5370a75d21291fd44e;hpb=882284387895d0504592ff4f5be7d9927181b1ca;p=cgilite

diff --git a/markdown.awk b/markdown.awk
index 4b180eb..3b5a9bb 100755
--- a/markdown.awk
+++ b/markdown.awk
@@ -5,6 +5,20 @@
 # Meant to support all features of John Grubers basic Markdown
 # + a number of common extensions, mostly inspired by Pandoc Markdown
 
+# Copyright 2021 - 2023 Paul Hänsch
+# 
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+# 
+# THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+# IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
 # Supported Features / TODO:
 # ==========================
 # [x] done    [ ] todo    [-] not planned    ? unsure
@@ -690,12 +704,22 @@ function _block( block, LOCAL, st, len, text, title, attrib, href, guard, code,
     list = substr( block, 1, RLENGTH); block = substr( block, RLENGTH + 1);
     return "\n<dl>\n" _dlist( list ) "</dl>\n" _block( block );
 
-  # Unordered list
-  } else if ( text = _startlist( block, "ul", "[-+*]", "([0-9]+\\.|#\\.)") ) {
+  # Unordered list types
+  } else if ( text = _startlist( block, "ul", "-",   "([+*]|[0-9]+\\.|#\\.|[0-9]+\\)|#\\))") ) {
+    return text;
+  } else if ( text = _startlist( block, "ul", "\\+", "([-*]|[0-9]+\\.|#\\.|[0-9]+\\)|#\\))") ) {
+    return text;
+  } else if ( text = _startlist( block, "ul", "\\*", "([-+]|[0-9]+\\.|#\\.|[0-9]+\\)|#\\))") ) {
     return text;
 
-  # Ordered list
-  } else if ( text = _startlist( block, "ol", "([0-9]+\\.|#\\.)", "[-+*]") ) {
+  # Ordered list types
+  } else if ( text = _startlist( block, "ol", "[0-9]+\\.", "([-+*]|#\\.|[0-9]+\\)|#\\))") ) {
+    return text;
+  } else if ( text = _startlist( block, "ol", "[0-9]+\\)", "([-+*]|[0-9]+\\.|#\\.|#\\))") ) {
+    return text;
+  } else if ( text = _startlist( block, "ol", "#\\.", "([-+*]|[0-9]+\\.|[0-9]+\\)|#\\))") ) {
+    return text;
+  } else if ( text = _startlist( block, "ol", "#\\)", "([-+*]|[0-9]+\\.|#\\.|[0-9]+\\))") ) {
     return text;
 
   # Split paragraphs
@@ -717,15 +741,17 @@ function _block( block, LOCAL, st, len, text, title, attrib, href, guard, code,
 
 function _startlist(block, type, mark, exclude, LOCAL, st, len, list, indent, text) {
   if (match( block, "(^|\n) ? ? ?" mark "[ \t][^\n]+(\n|$)" \
-         "(([ \t]*\n)* ? ? ?" mark "[ \t][^\n]+(\n|$)" \
-         "|([ \t]*\n)*( ? ? ?\t|  +)[^\n]+(\n|$)" \
-         "|[^\n \t][^\n]+(\n|$))*" ) ) {
-    st = RSTART; len = RLENGTH; list = substr( block, RSTART, RLENGTH);
+                                   "(([ \t]*\n)* ? ? ?" mark "[ \t][^\n]+(\n|$)" \
+                                   "|([ \t]*\n)*( ? ? ?\t|  +)[^\n]+(\n|$)" \
+                                   "|[^\n \t][^\n]+(\n|$))*" ) ) {
+    st = RSTART; len = RLENGTH; list = substr( block, st, len);
 
     sub("^\n", "", list); match(list, "^ ? ? ?"); indent = RLENGTH;
-    gsub( "(^|\n) {0," indent - 1 "}", "\n", list); sub("^\n", "", list);
+    gsub( "(^|\n) {0," indent "}", "\n", list); sub("^\n", "", list);
 
     text = substr(block, 1, st - 1); block = substr(block, st + len);
+    if (match(text, /\n[[:space:]]*\n/)) return 0;
+    if (match(text, "(^|\n) ? ? ?" exclude "[ \t][^\n]+")) return 0;
     if (match( list, "\n" exclude "[ \t]" )) {
       block = substr(list, RSTART + 1) block;
       list = substr(list, 1, RSTART);