diff options
| author | jwinnie <jwinnie@tilde.institute> | 2021-11-29 15:42:19 -0800 |
|---|---|---|
| committer | jwinnie <jwinnie@tilde.institute> | 2021-11-29 15:42:19 -0800 |
| commit | 4bfb423a77c35a08f018fafa1b7f2363f0a15c3a (patch) | |
| tree | 8e191f83de9de4abde54854e2f31fd532496b216 | |
| download | gmi2html-4bfb423a77c35a08f018fafa1b7f2363f0a15c3a.tar.gz | |
Initial commit
| -rwxr-xr-x | gmi2html.awk | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/gmi2html.awk b/gmi2html.awk new file mode 100755 index 0000000..91f863c --- /dev/null +++ b/gmi2html.awk @@ -0,0 +1,168 @@ +# gmi2html.awk +# +# Copyright (c) 2021 Rodrigo S. Caņibano (dracometallium) +# Copyright (c) 2021 Jeremy Potter (jwinnie) +# +# Permission is hereby granted, free of charge, to any person obtaining a copy of this +# software and associated documentation files (the "Software"), to deal in the Software +# without restriction, including without limitation the rights to use, copy, modify, +# merge, publish, distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT +# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# +# Usage: +# $ awk -f gmi2html.awk -- $1 $2 $3 < path/to/gmi > path/to/html +# +# Where: +# - $1 is the title of the site, used in <title> +# - $2 is the path of the stylesheet, relative to the HTML document +# - $3 is the URL of the original Gemini site (it is linked to in the +# footer of the HTML site) +# + +# Begin HTML document +BEGIN { + printf "<!DOCTYPE html>\ + <head>\ + <meta charset=\"utf-8\">\ + <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">\ + <link rel=\"stylesheet\" type=\"text/css\" href=\"%s\">\ + <title>%s</title>\ + </head>\ + <body>", ARGV[2], ARGV[1] + pre = 0 + list = 0 +} + +# Escape left and right angle brackets +{ + gsub(/</, "\\<") + gsub(/>/, "\\>") +} + +# Detect beginning of code block +/^```/ && (pre == 0) { + pre = 1 + printf "<pre><code>" + next +} + +# Detect end of code block +/^```/ && (pre == 1) { + pre = 0 + printf "</code></pre>" + next +} + +# Output verbatim text inside of code block +(pre == 1) { + print $0 + next +} + +# Detect list item +/\* / { + # Detect if this is the first item in + # the list. If so, start a new <ul>. + if(list == 0){ + list = 1 + printf "<ul>" + } + + sub(/\* [ \t]*/, "") + printf "<li>%s</li>", $0 + next +} + +# Detect end of list +(list == 1) { + list = 0 + printf "</ul>" +} + +# Detect heading 3 +/^###/ { + sub(/^#[#]*[ \t]*/, "") + printf "<h3>%s</h3>", $0 + next +} + +# Detect heading 2 +/^##/ { + sub(/^#[#]*[ \t]*/, "") + printf "<h2>%s</h2>", $0 + next +} + +# Detect heading 1 +/^#/ { + sub(/^#[#]*[ \t]*/, "") + printf "<h1>%s</h1>", $0 + next +} + +# Detect blockquote +/^>/ { + sub(/^>[ \t]*/, "") + printf "<blockquote><p>“%s”</p></blockquote>", $0 + next +} + +# Detect link +/^=>/ { + sub(/^=>[ \t]*/, "") + + url=$0 + sub(/[ \t].*$/, "", url) + + text=$0 + sub(url, "", text) + sub(/[ \t]*$/, "", text) + sub(/^[ \t]*/, "", text) + + # If linking to a Gemini page, change the extension from + # .gmi to .html + if ((url !~ /^[a-zA-Z]*:\/\//) && ((url ~ /\.gmi$/) || (url ~ /\.gemini$/))) { + sub(/\.gmi$/, ".html", url) + sub(/\.gemini$/, ".html", url) + } + + # Show URL if no link text is provided + if (text == "") { + text = url + } + + printf "<p><code>=></code> <a href=\""url"\">%s</a></p>", text + next +} + +# For everything else, just use a <p> element +{ + printf "<p>%s</p>", $0 +} + +# End HTML document +END { + # End all the remaining lists + if (list == 1) { + printf "</ul>" + } + + # Add a footer pointing back to the original Gemini site, + # and advertising Gemini as a better protocol + printf "<hr>\ + <footer>\ + <small>\ + Also available on <a href=\"gemini://%s\">Gemini</a>\ + — a simpler, more secure World Wide Web.\ + </small>\ + </footer>\ + </body>\ + </html>", ARGV[3] +} |