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Nero 6 months ago
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  1. 162
      md2html
  2. 143
      md2tex

162
md2html

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#!/usr/bin/awk -f
BEGIN {
indent = 0
prefix = "html/body/"
print("<!DOCTYPE html>")
level("html/head")
}
function headers() {
printf("%0" indent "s<meta charset=UTF-8>\n", "")
if (meta["title"]) printf("%0" indent "s<title>%s</title>\n", "", escape(meta["title"]))
if (meta["author"]) printf("%0" indent "s<meta name=author content=\"%s\">\n", "", escape(meta["author"]))
if (stylesheet) printf("%0" indent "s<link href=\"%s\" rel=stylesheet type=text/css media=all>\n", "", stylesheet)
if (javascript) printf("%0" indent "s<script src=\"/%s\"></script>\n", "", escape(javascript))
}
function oneliner(tag, str, args) {
printf("%0" indent "s<%s>%s</%s>\n", "", tag args, inline(str), tag)
}
function level(new) {
split(new, a, "/")
split(old, b, "/")
for (common = 0; common < 10; common++) {
if (common >= length(a)) break
if (common >= length(b)) break
if (a[common] != b[common]) break
}
for (i = length(b); i >= common; --i) {
if (b[i]) {
if (b[i] == "head") headers()
indent = indent - 2
printf("%0" indent "s</%s>\n", "", b[i])
}
}
for (i = common; i < length(a); i++) {
if (a[i]) {
printf("%0" indent "s<%s>\n", "", a[i])
indent = indent + 2
}
}
old = new
}
function escape(text) {
gsub(/&/, "\\&amp;", text)
gsub(/</, "\\&lt;", text)
gsub(/>/, "\\&gt;", text)
gsub(/\"/, "\\&quot;", text)
return text
}
function inline(text) {
text = escape(text)
text = gensub(/\*\*([^\*]*)\*\*/, "<strong>\\1</strong>", "g", text)
text = gensub(/\*([^\*]*)\*/, "<em>\\1</em>", "g", text)
text = gensub(/`([^`]*)`/, "<code>\\1</code>", "g", text)
return text
}
/^---$/ {
parse_meta = !parse_meta
next
}
{
if(parse_meta) {
split($0, r, ": ")
gsub(/(^"|"$)/, "", r[2])
meta[r[1]]=r[2]
next
}
}
/^```/ {
if (old == prefix "pre") {
level(prefix)
} else {
level(prefix "pre")
}
next
}
{
if (old == prefix "pre") {
printf("%s\n", escape($0))
next
}
}
/^- / {
level(prefix "ul")
level(prefix "ul/li")
gsub(/^- /, "", $0)
printf("%0" indent "s%s\n", "", inline($0))
next
}
/^\s*\* / {
level(prefix "ul")
level(prefix "ul/li")
gsub(/^\s*\* /, "", $0)
printf("%0" indent "s%s\n", "", inline($0))
next
}
/^> / {
level(prefix "quote")
gsub(/^> /, "", $0)
printf("%0" indent "s%s\n", "", inline($0))
}
/^ / {
level(prefix "blockquote")
printf("%0" indent "s%s\n", "", inline($0))
}
/^ / {
if (old == prefix) level(prefix "p")
printf("%0" indent "s%s\n", "", inline($0))
next
}
/^# / {
gsub(/^#* /, "", $0)
if (!meta["title"]) meta["title"] = $0
level(prefix)
oneliner("h1", $0)
next
}
/^## / {
gsub(/^#* /, "", $0)
level(prefix)
oneliner("h2", $0)
next
}
/^### / {
gsub(/^#* /, "", $0)
level(prefix)
oneliner("h3", $0)
next
}
/^$/ {
if (old != "html/head") level(prefix)
next
}
{
level(prefix "p")
printf("%0" indent "s%s\n", "", inline($0))
next
}
END {
level("")
}

143
md2tex

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#!/usr/bin/awk -f
BEGIN {
headed = 0
stack_pos = 0
tag("documentclass[a4paper]{article}")
# tag("special{papersize=210mm,297mm}")
tag("usepackage[margin=1in]{geometry}")
tag("usepackage{listings}")
tag("lstset{basicstyle=\\ttfamily\\footnotesize,breaklines=true}")
tag("usepackage{hyperref}")
tag("usepackage{graphicx}")
tag("sloppy")
tag("parindent0mm")
}
function tag(val) {
printf("\\%s\n", val)
}
function push(what, arg) {
stack[stack_pos++] = what;
tag("begin{" what "}" arg)
}
function peek() {
return stack[stack_pos-1]
}
function pop() {
tag("end{" stack[--stack_pos] "}")
}
function inline(text) {
gsub(/\\/, "\\textbackslash ", text)
gsub(/\{/, "\\{", text)
gsub(/\}/, "\\}", text)
gsub(/~/, "\\textasciitilde ", text)
gsub(/\$/, "\\$", text)
gsub(/_/, "\\_", text)
gsub(/#/, "\\#", text)
gsub(/%/, "\\%", text)
gsub(/&/, "\\&", text)
gsub(/\^/, "\\textasciicircum ", text)
gsub(/\.{3,}/, "\\ldots", text)
text = gensub(/\*\*([^\*]*)\*\*/, "\\textbf{\\1}", "g", text)
text = gensub(/\*([^\*]*)\*/, "\\emph{\\1}", "g", text)
text = gensub(/`([^`]*)`/, "\\texttt{\\1}", "g", text)
# links
text = gensub(/\[(.*)\]\((.*)\)/, "\\href{\\2}{\\1}\\footnote{\\url{\\2}}", "g", text)
return text
}
/^---$/ {
parse_meta = !parse_meta
next
}
{
if(parse_meta) {
split($0, r, ": ")
gsub(/(^"|"$)/, "", r[2])
meta[r[1]]=r[2]
next
}
}
/^# / {
gsub(/^#* /, "", $0)
if (!meta["title"]) meta["title"] = $0
next
}
{
if (!headed) {
if (meta["title"]) tag("title{" meta["title"] "}")
if (meta["author"]) tag("author{" meta["author"] "}")
push("document")
tag("maketitle")
headed = 1
}
}
/^## / {
gsub(/^#* /, "", $0)
tag("section{" $0 "}")
next
}
/^### / {
gsub(/^#* /, "", $0)
tag("subsection{" $0 "}")
next
}
/^```$/ {
if (peek() == "lstlisting") {
pop()
} else {
push("lstlisting")
}
next
}
{
if (peek() == "lstlisting") {
print($0)
next
}
}
/^$/ {
while(peek() && peek() != "document") pop()
}
/^!\[.*\]\(.*\)$/ {
txt = $0
filenam = $0
gsub(/(^!\[|\].*$)/, "", txt)
gsub(/(^!.*\(|\)$)/, "", filenam)
gsub(/\.(jpg|png|gif|jpeg)$/, "", filenam)
push("figure")
tag("includegraphics[width=\\textwidth]{" filenam "}")
tag("caption{" inline(txt) "}")
next
}
/^- / {
gsub(/^- /, "", $0)
if (peek() != "itemize") push("itemize")
tag("item")
print(inline($0))
next
}
{
print(inline($0))
}
END {
while (peek()) {
pop()
}
}
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