X-Git-Url: http://git.plutz.net/?a=blobdiff_plain;f=markdown.awk;h=29dc64d48e6432100228c90a858463f88f645f8d;hb=d45722a72e37c6b214877a81d53b22bfb422a900;hp=7d7e0a5f56d5e70b7e0be4d1d104164a5718b13b;hpb=2ea88f760e5b796c42e6cd9c2237fc4b26a26e20;p=cgilite
diff --git a/markdown.awk b/markdown.awk
index 7d7e0a5..29dc64d 100755
--- a/markdown.awk
+++ b/markdown.awk
@@ -38,6 +38,7 @@
#
# Extensions - Block elements:
# ----------------------------
+# - [x] Automatic -wrapping (custom)
# - ? Heading identifiers (php md, pandoc)
# - [x] Automatic heading identifiers (custom)
# - [x] Fenced code blocks (php md, pandoc)
@@ -93,6 +94,7 @@ function URL ( text ) {
gsub( /&/, "%26", text );
gsub( /"/, "%22", text );
gsub( /'/, "%27", text );
+ gsub( /`/, "%60", text );
gsub( /\?/, "%3F", text );
gsub( /#/, "%23", text );
gsub( /\[/, "%5B", text );
@@ -115,8 +117,8 @@ function inline( line, LOCAL, len, code, href, guard ) {
return "";
# omit processing of escaped characters
- } else if ( line ~ /^\\[]\\`\*_\{\}\(\)#\+-\.![]/) {
- return substr(line, 2, 1) inline( substr(line, 3) );
+ } else if ( line ~ /^\\./) {
+ return HTML(substr(line, 2, 1)) inline( substr(line, 3) );
# hard brakes
} else if ( match(line, /^ \n/) ) {
@@ -130,7 +132,7 @@ function inline( line, LOCAL, len, code, href, guard ) {
code = substr( line, len + 1, match( substr(line, len + 1), guard ) - 1)
len = 2 * length(guard) + length(code)
# strip single surrounding white spaces
- code = gensub( / (.*) /, "\\1", "1" , code)
+ code = gensub( /^ | $/, "", "g" , code)
# escape HTML within code span
gsub( /&/, "\\&", code ); gsub( /, "\\<", code ); gsub( />/, "\\>", code );
return "" code "
" inline( substr( line, len + 1 ) )
@@ -305,7 +307,23 @@ function inline( line, LOCAL, len, code, href, guard ) {
}
}
-function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib ) {
+# Nested Block, resets heading counters
+function _nblock( block, LOCAL, hlsav, sec ) {
+ # Keeping arrays in a local scope is awkward, so we serialize the HL array
+ # into the scalar hlsav
+ hlsav = HL[1] " " HL[2] " " HL[3] " " HL[4] " " HL[5] " " HL[6];
+ HL[1] = 0; HL[2] = 0; HL[3] = 0; HL[4] = 0; HL[5] = 0; HL[6] = 0;
+
+ # Block Level
+ blvl++;
+
+ block = _block( block );
+ sec = ""; for ( n = 1; n <= 6; n++ ) { sec = sec (HL[n]?"":""); }
+ split(hlsav, HL); blvl--;
+ return block sec;
+}
+
+function _block( block, LOCAL, st, len, hlvl, htxt, sec, guard, code, indent, attrib ) {
gsub( /^\n+|\n+$/, "", block );
if ( block == "" ) {
@@ -343,7 +361,7 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
} else if ( match( block, /^> /) ) {
match( block, /(^|\n)[[:space:]]*(\n|$)/ ) || match(block, /$/);
len = RLENGTH; st = RSTART;
- return "
\n" _block( gensub( /(^|\n)> /, "\n", "g", substr(block, 1, st - 1) ) ) "
\n\n" \
+ return "\n" _nblock( gensub( /(^|\n)> /, "\n", "g", substr(block, 1, st - 1) ) ) "
\n\n" \
_block( substr(block, st + len) );
# Pipe Tables (pandoc / php md / gfm )
@@ -446,7 +464,7 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
ttext = "\n"
for (cnt = 1; cnt <= cols; cnt++)
- ttext = ttext "" _block(tarray[cnt]) " | "
+ ttext = ttext "" _nblock(tarray[cnt]) " | "
ttext = ttext "
\n"
}
@@ -469,10 +487,10 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
ttext = ttext ""
for (cnt = 1; cnt <= cols; cnt++)
- ttext = ttext "" _block(tarray[cnt]) " | "
+ ttext = ttext "" _nblock(tarray[cnt]) " | "
ttext = ttext "
\n"
}
- return "\n" _block(block);
+ return "\n" _nblock(block);
# Line Blocks (pandoc)
} else if ( match(block, /^\| [^\n]*(\n|$)(\| [^\n]*(\n|$)|[ \t]+[^\n[:space:]][^\n]*(\n|$))*/) ) {
@@ -502,7 +520,7 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
gsub(/(^ | $)/, "", attrib);
if ( match(code, "(^|\n)" guard "+(\n|$)" ) ) {
len = RLENGTH; st = RSTART;
- return "" _block( substr(code, 1, st - 1) ) "
\n" \
+ return "" _nblock( substr(code, 1, st - 1) ) "
\n" \
_block( substr( code, st + len ) );
} else {
match( block, /(^|\n)[[:space:]]*(\n|$)/ ) || match( block, /$/ );
@@ -553,35 +571,50 @@ function _block( block, LOCAL, st, len, hlvl, htxt, guard, code, indent, attrib
gsub("(^|\n) {0," indent "}", "\n", list);
return "\n\n" _list( substr(list, 2) ) "
\n" _block( block );
- # First Order Heading
+ # First Order Heading H1
} else if ( match( block, /^[^\n]+\n===+(\n|$)/ ) ) {
- len = RLENGTH;
+ len = RLENGTH; sec = "";
+
+ for ( n = 1; n <= 6; n++ ) { sec = sec (HL[n]?"":""); }
HL[1]++; HL[2] = 0; HL[3] = 0; HL[4] = 0; HL[5] = 0; HL[6] = 0;
- return "" \
- inline( gensub( /\n.*$/, "", "g", block ) ) \
- "
\n\n" \
+ hid = HL[1] ":" URL(gensub( /\n.*$/, "", "g", block ));
+
+ return sec " 1)?"":" id=\"" hid "\"") ">" \
+ "" inline( gensub( /\n.*$/, "", "g", block ) ) \
+ ((blvl > 1)?"":"") \
+ "
\n\n" \
_block( substr( block, len + 1 ) );
- # Second Order Heading
+ # Second Order Heading H2
} else if ( match( block, /^[^\n]+\n---+(\n|$)/ ) ) {
- len = RLENGTH;
+ len = RLENGTH; sec = "";
+
+ for ( n = 2; n <= 6; n++ ) { sec = sec (HL[n]?"":""); }
HL[2]++; HL[3] = 0; HL[4] = 0; HL[5] = 0; HL[6] = 0;
- return "" \
- inline( gensub( /\n.*$/, "", "g", block ) ) \
- "
\n\n" \
+ hid= HL[1] "." HL[2] ":" URL(gensub( /\n.*$/, "", "g", block ));
+
+ return sec " 1)?"":" id=\"" hid "\"") ">" \
+ "" inline( gensub( /\n.*$/, "", "g", block ) ) \
+ ((blvl > 1)?"":"") \
+ "
\n\n" \
_block( substr( block, len + 1) );
- # Nth Order Heading
+ # Nth Order Heading H1 H2 H3 H4 H5 H6
} else if ( match( block, /^#{1,6}[ \t]*[^\n]+([ \t]*#*)(\n|$)/ ) ) {
- len = RLENGTH;
+ len = RLENGTH; sec = "";
+
hlvl = length( gensub( /^(#{1,6}).*$/, "\\1", "g", block ) );
htxt = gensub(/^#{1,6}[ \t]*(([^ \t\n]+|[ \t]+[^ \t\n#]|[ \t]+#+[^\n#])+)([ \t]*#*)(\n.*)?$/, "\\1", 1, block);
- HL[hlvl]++; for ( n = hlvl + 1; n < 7; n++) { HL[n] = 0;}
+
+ for ( n = hlvl; n <= 6; n++ ) { sec = sec (HL[n]?"":""); }
+ HL[hlvl]++; for ( n = hlvl + 1; n <= 6; n++) { HL[n] = 0;}
hid = HL[1]; for ( n = 2; n <= hlvl; n++) { hid = hid "." HL[n] ; }
- return "" inline( htxt ) \
- "\n\n" \
+ hid = hid ":" URL(htxt);
+
+ return sec " 1)?"":" id=\"" hid "\"") ">" \
+ "" inline( htxt ) \
+ ((blvl > 1)?"":"") \
+ "\n\n" \
_block( substr( block, len + 1) );
# block images (wrapped in