From: Paul Hänsch <paul@plutz.net>
Date: Sat, 31 Aug 2024 19:55:39 +0000 (+0200)
Subject: Squashed 'cgilite/' changes from 9b019ee..32b4555
X-Git-Url: https://git.plutz.net/?a=commitdiff_plain;h=cfc86204932ced40eb7c80ccb36d2172b6b0d84d;p=shellwiki

Squashed 'cgilite/' changes from 9b019ee..32b4555

32b4555 split/modify some regexes for compatibility with old mawk implementations

git-subtree-dir: cgilite
git-subtree-split: 32b4555b66c086805df962e68070956c4c1780d7
---

diff --git a/markdown.awk b/markdown.awk
index ad8c438..356a987 100755
--- a/markdown.awk
+++ b/markdown.awk
@@ -347,7 +347,11 @@ function inline( line, LOCAL, len, text, code, href, guard, ret ) {
     # Literal HTML entities
     # } else if ( match( line, /^&([a-zA-Z]{2,32}|#[0-9]{1,7}|#[xX][0-9a-fA-F]{1,6});/) ) {
     # mawk does not support repitition ranges
-    } else if ( match( line, /^&([a-zA-Z][a-zA-Z][a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?|#[0-9][0-9]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?|#[xX][0-9a-fA-F][0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?);/) ) {
+    } else if ( match( line, /^&[a-zA-Z][a-zA-Z][a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?[a-zA-Z]?;/) ) {
+      len = RLENGTH;
+      ret = ret substr( line, 1, len ); line = substr(line, len + 1);
+      continue;
+    } else if ( match( line, /^&(#[0-9][0-9]?[0-9]?[0-9]?[0-9]?[0-9]?[0-9]?|#[xX][0-9a-fA-F][0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?[0-9a-fA-F]?);/) ) {
       len = RLENGTH;
       ret = ret substr( line, 1, len ); line = substr(line, len + 1);
       continue;
@@ -425,8 +429,14 @@ function _block( block, LOCAL, st, len, text, title, attrib, href, guard, code,
       ret = ret _block(substr(block, 1, st - 1)) substr(block, st, len); block = substr(block, st + len);
       continue;
 
-    # HTML #6
-    } else if ( AllowHTML && match( tolower(block), /(^|\n) ? ? ?<\/?(address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)([[:space:]\n>]|\/>)([^\n]|\n[ \t]*[^\n])*(\n[[:space:]]*\n|$)/) ) {
+    # HTML #6 (part1)
+    } else if ( AllowHTML && match( tolower(block), /(^|\n) ? ? ?<\/?(address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset)([[:space:]\n>]|\/>)([^\n]|\n[ \t]*[^\n])*(\n[[:space:]]*\n|$)/) ) {
+      len = RLENGTH; st = RSTART;
+      ret = ret _block(substr(block, 1, st - 1)) substr(block, st, len); block = substr(block, st + len);
+      continue;
+
+    # HTML #6 (part2)
+    } else if ( AllowHTML && match( tolower(block), /(^|\n) ? ? ?<\/?(h[123456]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul)([[:space:]\n>]|\/>)([^\n]|\n[ \t]*[^\n])*(\n[[:space:]]*\n|$)/) ) {
       len = RLENGTH; st = RSTART;
       ret = ret _block(substr(block, 1, st - 1)) substr(block, st, len); block = substr(block, st + len);
       continue;
@@ -516,8 +526,7 @@ function _block( block, LOCAL, st, len, text, title, attrib, href, guard, code,
                              "((\\|([^\n]+\\|)+\n)+" \
                                "\\+(-+\\+)+(\n|$))+" \
                      ) || \
-                match( block, "^()()()" \
-                              "(\\+(:?-+:?\\+)+)\n" \
+                match( block, "^(\\+(:?-+:?\\+)+)\n" \
                              "((\\|([^\n]+\\|)+\n)+" \
                                "\\+(-+\\+)+(\n|$))+" \
     ) ) {
@@ -857,7 +866,7 @@ function _startlist(block, type, mark, exclude, LOCAL, st, len, list, indent, it
                                    "|[^\n \t][^\n]+(\n|$))*" ) ) {
     st = RSTART; len = RLENGTH; list = substr( block, st, len);
 
-    sub("^\n", "", list); match(list, "^(   |  | |)"); indent = RLENGTH;
+    sub("^\n", "", list); match(list, "^(   |  | )?"); indent = RLENGTH;
     # gsub( "(^|\n) {0," indent "}", "\n", list); sub("^\n", "", list);
     # emulate greedy range matcher for mawk
     it = "("; while ( indent > 0 ) { for (k = indent; k > 0; k--) { it = it " "; } it = it "|"; indent--; }