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Modified mdown.awk to have the same styling and links as the recent d…
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….awk changes
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@wernsey
wernsey committed Apr 20, 2021
1 parent a3464ce commit 4c0fd34
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18 changes: 9 additions & 9 deletions demo.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
*
* Blank lines in the comment separate paragraphs.
*
* Two spaces at the end of the line
* Two spaces at the end of the line
* forces a linebreak. Here is another line<br>break.
*
* Headings can be written like so:
Expand Down Expand Up @@ -71,7 +71,7 @@
* 1. Item 2
* * Item 2.1; List styles can be mixed.
* * Item 2.2
*
*
* The blank line above contains whitespace, hence a new list is not started
* (Paragraphs in lists differ a bit from other markdowns).
* * Item 2.3
Expand Down Expand Up @@ -123,7 +123,7 @@
*
* Code indented with spaces:
* //Some code, indented with spaces
*
*
* int main(int argc, char *argv[]) {
* return 0;
* }
Expand Down Expand Up @@ -159,11 +159,11 @@
*
* Regression test: The #es in this sample would've caused problems:
*
* # Compile like so:
* mvn package
*
* # Generate Javadocs
* mvn javadoc:javadoc
* # Compile like so:
* mvn package
*
* # Generate Javadocs
* mvn javadoc:javadoc
*
* This is a diagram:
*
Expand Down Expand Up @@ -218,7 +218,7 @@
* Image syntax `\![Image Alt Text](example.png)`
* Escaping images `\![Image Alt Text](example.png)` and links `\[Link Alt Text](example.com)`
*
* Images can be encoded as Data URIs: ![Red Dot][reddot]
* Images can be encoded as Data URIs: ![Red Dot][reddot]
* <sub>The red dot comes from [Wikipedia][datauri]</sub>
*
* [dataURI]: https://en.wikipedia.org/wiki/Data_URI_scheme "Data URI scheme"
Expand Down
159 changes: 109 additions & 50 deletions mdown.awk
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Original file line number Diff line number Diff line change
Expand Up @@ -12,13 +12,16 @@
BEGIN {

# Configuration options
if(Title=="") Title = "Documentation";
if(Theme=="") Theme = 1;
if(Pretty=="") Pretty = 0;
if(HideToCLevel=="") HideToCLevel = 3;
if(Title== "") Title = "Documentation";
if(Theme== "") Theme = 1;
if(Pretty== "") Pretty = 0;
if(HideToCLevel== "") HideToCLevel = 3;
if(Lang == "") Lang = "en";
#TopLinks = 1;
#classic_underscore = 1;
if(MaxWidth=="") MaxWidth="1080px";
if(NumberHeadings=="") NumberHeadings = 1;
if(NumberH1s=="") NumberH1s = 0;

Mode = "p";
ToC = ""; ToCLevel = 1;
Expand Down Expand Up @@ -50,27 +53,27 @@ END {
Out = Out tag(Mode, Buf);
}

print "<!DOCTYPE html>\n<html><head>"
print "<!DOCTYPE html>\n<html lang=\"" Lang "\"><head>"
print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">";
print "<title>" Title "</title>";
if(StyleSheet)
print "<link rel=\"stylesheet\" href=\"" StyleSheet "\">";
else
print "<style><!--" CSS "\n--></style>";
print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">";
if(ToC && match(Out, /!\[toc[-+]?\]/))
print "<script type=\"text/javascript\"><!--\n" \
print "<script><!--\n" \
"function toggle_toc(n) {\n" \
" var toc=document.getElementById('table-of-contents-' + n);\n" \
" var btn=document.getElementById('btn-text-' + n);\n" \
" toc.style.display=(toc.style.display=='none')?'block':'none';\n" \
" btn.innerHTML=(toc.style.display=='none')?'&#x25BC;':'&#x25B2;';\n" \
" btn.innerHTML=(toc.style.display=='none')?'&#x25BA;':'&#x25BC;';\n" \
"}\n" \
"function toggle_toc_ul(n) { \n" \
" var toc=document.getElementById('toc-ul-' + n); \n" \
" var btn=document.getElementById('toc-btn-' + n); \n" \
" if(toc) {\n" \
" toc.style.display=(toc.style.display=='none')?'block':'none'; \n" \
" btn.innerHTML=(toc.style.display=='none')?'&#x25BC;':'&#x25B2;';\n" \
" btn.innerHTML=(toc.style.display=='none')?'&#x25BA;':'&#x25BC;';\n" \
" }\n" \
"}\n" \
"//-->\n</script>";
Expand Down Expand Up @@ -107,7 +110,7 @@ function trim(st) {
sub(/[[:space:]]+$/, "", st);
return st;
}
function filter(st, res,tmp, linkdesc, url, delim, edelim, name, def) {
function filter(st, res,tmp, linkdesc, url, delim, edelim, name, def, plang) {
if(Mode == "p") {
if(match(st, /^[[:space:]]*\[[-._[:alnum:][:space:]]+\]:/)) {
linkdesc = ""; LastLink = 0;
Expand Down Expand Up @@ -216,15 +219,15 @@ function filter(st, res,tmp, linkdesc, url, delim, edelim, name, def) {
else {
gsub(/\t/," ",Buf);
if(length(trim(Buf)) > 0) {
Lang = "";
plang = "";
if(match(Preterm, /^[[:space:]]*```+/)) {
Lang = trim(substr(Preterm, RSTART+RLENGTH));
if(Lang) {
Lang = "class=\"prettyprint lang-" Lang "\"";
plang = trim(substr(Preterm, RSTART+RLENGTH));
if(plang) {
plang = "class=\"prettyprint lang-" plang "\"";
HasCode=1;
}
}
res = tag("pre", tag("code", escape(Buf), Lang));
res = tag("pre", tag("code", escape(Buf), plang));
}
pop();
if(Preterm) sub(/^[[:space:]]*```+[[:alnum:]]*/,"",st);
Expand Down Expand Up @@ -380,10 +383,10 @@ function scrub(st, mp, ms, me, r, p, tg, a) {
r = r "<" tg a ">";
} else if(match(tg, "^[[:alpha:]]+:https://[[:graph:]]+$")) {
if(!a) a = tg;
r = r "<a href=\"" tg "\">" a "</a>";
r = r "<a class=\"normal\" href=\"" tg "\">" a "</a>";
} else if(match(tg, "^[[:graph:]]+@[[:graph:]]+$")) {
if(!a) a = tg;
r = r "<a href=\"" obfuscate("mailto:" tg) "\">" obfuscate(a) "</a>";
r = r "<a class=\"normal\" href=\"" obfuscate("mailto:" tg) "\">" obfuscate(a) "</a>";
} else {
r = r "&lt;";
continue;
Expand All @@ -404,29 +407,36 @@ function scrub(st, mp, ms, me, r, p, tg, a) {

function push(newmode) {Stack[StackTop++] = Mode; Mode = newmode;}
function pop() {Mode = Stack[--StackTop];Buf = ""; return Mode;}
function heading(level, st, res, href) {
st = trim(st);
function heading(level, st, res, href, u, text,svg) {
if(level > 6) level = 6;
st = trim(st);
href = tolower(st);
href = strip_tags(href);
gsub(/[^ [:alnum:]]+/, "", href);
gsub(/ +/, "-", href);
if(!LinkUrls[href]) LinkUrls[href] = "#" href;
if(!LinkUrls[tolower(st)]) LinkUrls[tolower(st)] = "#" href;
res = tag("h" level, st (TopLinks?"&nbsp;&nbsp;<a class=\"top\" title=\"Return to top\" href=\"#\">&#8593;&nbsp;Top</a>":""), "id=\"" href "\"");
gsub(/[^-_ [:alnum:]]+/, "", href);
gsub(/[[:space:]]/, "-", href);
if(TitleUrls[href]) {
for(u = 1; TitleUrls[href "-" u]; u++);
href = href "-" u;
}
TitleUrls[href] = "#" href;

svg = "<svg width=\"16\" height=\"16\" xmlns=\"http:https://www.w3.org/2000/svg\"><g transform=\"rotate(-30, 8, 8)\" stroke=\"#000000\" opacity=\"0.25\"><rect fill=\"none\" height=\"6\" width=\"8\" x=\"2\" y=\"6\" rx=\"1.5\"/><rect fill=\"none\" height=\"6\" width=\"8\" x=\"6\" y=\"4\" rx=\"1.5\"/></g></svg>";
text = "<a href=\"#" href "\" class=\"header\">" st "&nbsp;" svg "</a>" (TopLinks?"&nbsp;&nbsp;<a class=\"top\" title=\"Return to top\" href=\"#\">&#8593;&nbsp;Top</a>":"");

res = tag("h" level, text, "id=\"" href "\"");
for(;ToCLevel < level; ToCLevel++) {
ToC_ID++;
if(ToCLevel < HideToCLevel) {
ToC = ToC "<a class=\"toc-button\" id=\"toc-btn-" ToC_ID "\" onclick=\"toggle_toc_ul('" ToC_ID "')\">&#x25B2;</a>";
ToC = ToC "<ul class=\"toc-" ToCLevel "\" id=\"toc-ul-" ToC_ID "\">";
} else {
ToC = ToC "<a class=\"toc-button\" id=\"toc-btn-" ToC_ID "\" onclick=\"toggle_toc_ul('" ToC_ID "')\">&#x25BC;</a>";
ToC = ToC "<ul style=\"display:none;\" class=\"toc-" ToCLevel "\" id=\"toc-ul-" ToC_ID "\">";
ToC = ToC "<ul class=\"toc toc-" ToCLevel "\" id=\"toc-ul-" ToC_ID "\">";
} else {
ToC = ToC "<a class=\"toc toc-button\" id=\"toc-btn-" ToC_ID "\" onclick=\"toggle_toc_ul('" ToC_ID "')\">&#x25BA;</a>";
ToC = ToC "<ul style=\"display:none;\" class=\"toc toc-" ToCLevel "\" id=\"toc-ul-" ToC_ID "\">";
}
}
for(;ToCLevel > level; ToCLevel--)
ToC = ToC "</ul>";
ToC = ToC "<li class=\"toc-" level "\"><a class=\"toc-" level "\" href=\"#" href "\">" st "</a>\n";
ToC = ToC "<li class=\"toc-" level "\"><a class=\"toc toc-" level "\" href=\"#" href "\">" st "</a>\n";
ToCLevel = level;
return res;
}
Expand All @@ -445,8 +455,8 @@ function make_toc(st, r,p,dis,t,n) {

++n;
dis = index(substr(st,RSTART,RLENGTH),"+");
t = "<div>\n<a id=\"toc-button-" n "\" class=\"toc-button\" onclick=\"toggle_toc(" n ")\"><span id=\"btn-text-" n "\">" (dis?"&#x25B2;":"&#x25BC;") "</span>&nbsp;Contents</a>\n" \
"<div id=\"table-of-contents-" n "\" style=\"display:" (dis?"block":"none") ";\">\n<ul class=\"toc-1\">" ToC "</ul>\n</div>\n</div>";
t = "<div>\n<a id=\"toc-button-" n "\" class=\"toc-button\" onclick=\"toggle_toc(" n ")\"><span id=\"btn-text-" n "\">" (dis?"&#x25BC;":"&#x25BA;") "</span>&nbsp;Contents</a>\n" \
"<div id=\"table-of-contents-" n "\" style=\"display:" (dis?"block":"none") ";\">\n<ul class=\"toc toc-1\">" ToC "</ul>\n</div>\n</div>";
r = r substr(st,1,RSTART-1);
r = r t;
st = substr(st,RSTART+RLENGTH);
Expand All @@ -456,13 +466,13 @@ function make_toc(st, r,p,dis,t,n) {
}
function fix_links(st, lt,ld,lr,url,img,res,rx,pos,pre) {
do {
pre = match(st, /<pre>/); # Don't substitute in <pre> blocks
pre = match(st, /<(pre|code)>/); # Don't substitute in <pre> or <code> blocks
pos = match(st, /\[[^\]]+\]/);
if(!pos)break;
if(pre && pre < pos) {
pre = match(st, /<\/pre>/);
match(st, /<\/(pre|code)>/);
res = res substr(st,1,RSTART+RLENGTH);
st = substr(st, RSTART+RLENGTH);
st = substr(st, RSTART+RLENGTH+1);
continue;
}
img=substr(st,RSTART-1,1)=="!";
Expand Down Expand Up @@ -493,7 +503,7 @@ function fix_links(st, lt,ld,lr,url,img,res,rx,pos,pre) {
if(img)
res = res "<img src=\"" url "\" title=\"" ld "\" alt=\"" lt "\">";
else
res = res "<a href=\"" url "\" title=\"" ld "\">" lt "</a>";
res = res "<a class=\"normal\" href=\"" url "\" title=\"" ld "\">" lt "</a>";
} else if(match(st, /^[[:space:]]*\[[^\]]*\]/)) {
lt = substr(rx, 2, length(rx) - 2);
match(st, /\[[^\]]*\]/);
Expand All @@ -507,8 +517,10 @@ function fix_links(st, lt,ld,lr,url,img,res,rx,pos,pre) {
ld = LinkDescs[lr];
if(img)
res = res "<img src=\"" url "\" title=\"" ld "\" alt=\"" lt "\">";
else if(url)
res = res "<a class=\"normal\" href=\"" url "\" title=\"" ld "\">" lt "</a>";
else
res = res "<a href=\"" url "\" title=\"" ld "\">" lt "</a>";
res = res "[" lt "][" lr "]";
} else
res = res (img?"!":"") rx;
} while(pos > 0);
Expand Down Expand Up @@ -588,28 +600,35 @@ function obfuscate(e, r,i,t,o) {
}
return o;
}
function init_css(Theme, css,ss,hr,c1,c2,c3,c4,c5,bg1,bg2,bg3,bg4,ff,i) {
function init_css(Theme, css,ss,hr,c1,c2,c3,c4,c5,bg1,bg2,bg3,bg4,ff,fs,i) {
if(Theme == "0") return "";

css["body"] = "color:%color1%;font-family:%font-family%;line-height:1.5em;" \
css["body"] = "color:%color1%;font-family:%font-family%;font-size:%font-size%;line-height:1.5em;" \
"padding:1em 2em;width:80%;max-width:%maxwidth%;margin:0 auto;min-height:100%;float:none;";
css["h1"] = "color:%color1%;border-bottom:1px solid %color1%;padding:0.3em 0.1em;";
css["h1"] = "border-bottom:1px solid %color1%;padding:0.3em 0.1em;";
css["h1 a"] = "color:%color1%;";
css["h2"] = "color:%color2%;border-bottom:1px solid %color2%;padding:0.2em 0.1em;";
css["h2 a"] = "color:%color2%;";
css["h3"] = "color:%color3%;border-bottom:1px solid %color3%;padding:0.1em 0.1em;";
css["h4,h5,h6"] = "color:%color4%;padding:0.1em 0.1em;";
css["h1,h2,h3,h4,h5,h6"] = "font-weight:normal;line-height:1.2em;";
css["h3 a"] = "color:%color3%;";
css["h4,h5,h6"] = "padding:0.1em 0.1em;";
css["h4 a,h5 a,h6 a"] = "color:%color4%;";
css["h1,h2,h3,h4,h5,h6"] = "font-weight:bolder;line-height:1.2em;";
css["h4"] = "border-bottom:1px solid %color4%";
css["p"] = "margin:0.5em 0.1em;"
css["hr"] = "background:%color1%;height:1px;border:0;"
css["a"] = "color:%color2%;";
css["a:visited"] = "color:%color2%;";
css["a:active"] = "color:%color4%;";
css["a:hover"] = "color:%color4%;";
css["a.normal, a.toc"] = "color:%color2%;";
#css["a.normal:visited"] = "color:%color2%;";
#css["a.normal:active"] = "color:%color4%;";
css["a.normal:hover, a.toc:hover"] = "color:%color4%;";
css["a.top"] = "font-size:x-small;text-decoration:initial;float:right;";
css["a.header svg"] = "opacity:0;";
css["a.header:hover svg"] = "opacity:1;";
css["a.header"] = "text-decoration: none;";
css["strong,b"] = "color:%color1%";
css["code"] = "color:%color2%;";
css["blockquote"] = "margin-left:1em;color:%color2%;border-left:0.2em solid %color3%;padding:0.25em 0.5em;";
css["pre"] = "color:%color2%;background:%color5%;border:1px solid;border-radius:2px;line-height:1.25em;margin:0.25em 0.5em;padding:0.75em;";
css["code"] = "color:%color2%;font-weight:bold;";
css["blockquote"] = "margin-left:1em;color:%color2%;border-left:0.2em solid %color3%;padding:0.25em 0.5em;overflow-x:auto;";
css["pre"] = "color:%color2%;background:%color5%;border:1px solid;border-radius:2px;line-height:1.25em;margin:0.25em 0.5em;padding:0.75em;overflow-x:auto;";
css["table"] = "border-collapse:collapse;margin:0.5em;";
css["th,td"] = "padding:0.5em 0.75em;border:1px solid %color4%;";
css["th"] = "color:%color2%;border:1px solid %color3%;border-bottom:2px solid %color3%;";
Expand All @@ -619,7 +638,7 @@ function init_css(Theme, css,ss,hr,c1,c2,c3,c4,c5,bg1,bg2,bg3,bg4,ff
css["dl"] = "margin:0.5em;";
css["dt"] = "font-weight:bold;";
css["dd"] = "padding:0.3em;";
css["mark"] = "color:%color2%;background-color:%color5%;";
css["mark"] = "color:%color5%;background-color:%color4%;";
css["del,s"] = "color:%color4%;";
css["a.toc-button"] = "color:%color2%;cursor:pointer;font-size:small;padding: 0.3em 0.5em 0.5em 0.5em;font-family:monospace;border-radius:3px;";
css["a.toc-button:hover"] = "color:%color4%;background:%color5%;";
Expand All @@ -631,11 +650,50 @@ function init_css(Theme, css,ss,hr,c1,c2,c3,c4,c5,bg1,bg2,bg3,bg4,ff
css[".fade"] = "color:%color5%;";
css[".highlight"] = "color:%color2%;background-color:%color5%;";
css["summary"] = "cursor:pointer;";
css["ul.toc"] = "list-style-type:none;";

if(NumberHeadings) {
if(NumberH1s) {
css["body"] = css["body"] "counter-reset: h1 toc1;";
css["h1"] = css["h1"] "counter-reset: h2 h3 h4;";
css["h2"] = css["h2"] "counter-reset: h3 h4;";
css["h3"] = css["h3"] "counter-reset: h4;";
css["h1::before"] = "content: counter(h1) \" \"; counter-increment: h1; margin-right: 10px;";
css["h2::before"] = "content: counter(h1) \".\"counter(h2) \" \";counter-increment: h2; margin-right: 10px;";
css["h3::before"] = "content: counter(h1) \".\"counter(h2) \".\"counter(h3) \" \";counter-increment: h3; margin-right: 10px;";
css["h4::before"] = "content: counter(h1) \".\"counter(h2) \".\"counter(h3)\".\"counter(h4) \" \";counter-increment: h4; margin-right: 10px;";

css["li.toc-1"] = "counter-reset: toc2 toc3 toc4;";
css["li.toc-2"] = "counter-reset: toc3 toc4;";
css["li.toc-3"] = "counter-reset: toc4;";
css["a.toc-1::before"] = "content: counter(h1) \" \";counter-increment: toc1;";
css["a.toc-2::before"] = "content: counter(h1) \".\" counter(toc2) \" \";counter-increment: toc2;";
css["a.toc-3::before"] = "content: counter(h1) \".\" counter(toc2) \".\" counter(toc3) \" \";counter-increment: toc3;";
css["a.toc-4::before"] = "content: counter(h1) \".\" counter(toc2) \".\" counter(toc3) \".\" counter(toc4) \" \";counter-increment: toc4;";

} else {
css["h1"] = css["h1"] "counter-reset: h2 h3 h4;";
css["h2"] = css["h2"] "counter-reset: h3 h4;";
css["h3"] = css["h3"] "counter-reset: h4;";
css["h2::before"] = "content: counter(h2) \" \";counter-increment: h2; margin-right: 10px;";
css["h3::before"] = "content: counter(h2) \".\"counter(h3) \" \";counter-increment: h3; margin-right: 10px;";
css["h4::before"] = "content: counter(h2) \".\"counter(h3)\".\"counter(h4) \" \";counter-increment: h4; margin-right: 10px;";

css["li.toc-1"] = "counter-reset: toc2 toc3 toc4;";
css["li.toc-2"] = "counter-reset: toc3 toc4;";
css["li.toc-3"] = "counter-reset: toc4;";
css["a.toc-2::before"] = "content: counter(toc2) \" \";counter-increment: toc2;";
css["a.toc-3::before"] = "content: counter(toc2) \".\" counter(toc3) \" \";counter-increment: toc3;";
css["a.toc-4::before"] = "content: counter(toc2) \".\" counter(toc3) \".\" counter(toc4) \" \";counter-increment: toc4;";
}
}

# Colors:
c1="#314070";c2="#465DA6";c3="#6676A8";c4="#A88C3F";c5="#E8E4D9";
#c1="#314070";c2="#465DA6";c3="#6676A8";c4="#A88C3F";c5="#E8E4D9";
c1="#314070";c2="#384877";c3="#6676A8";c4="#738FD0";c5="#FBFCFF";
# Font Family:
ff = "sans-serif";
fs = "11pt";

# Alternative color scheme suggestions:
#c1="#303F9F";c2="#0449CC";c3="#2162FA";c4="#4B80FB";c5="#EDF2FF";
Expand All @@ -656,6 +714,7 @@ function init_css(Theme, css,ss,hr,c1,c2,c3,c4,c5,bg1,bg2,bg3,bg4,ff
gsub(/%color4%/,c4,ss);
gsub(/%color5%/,c5,ss);
gsub(/%font-family%/,ff,ss);
gsub(/%font-size%/,fs,ss);
gsub(/%hr%/,hr,ss);
return ss;
}

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