#!/bin/sed -Ef ## markdown to html module for pinopress ## based off https://github.com/stamby/md-to-html ## usage: ## md [md_filepath] # remove document meta ## matches block of -- at top of file 1,/^([^-]|-[^-]|^$)/ { /^([^-]|-[^-]|^$)/ !{ /^-- ?/d } } # html style comments (this will also work inside code blocks - unintended) //d # special html characters s/\&/\&\;/g s/\<\;/g s/>/\>\;/g # code blocks /^ *```/ { x # check if hold space contains READING # this is to see if this is the first ``` we read or no /^ *READING/ !{ # if it is the first one, add READING to hold space s/.*/READING/ x # write opening tag (also concat with next line) N s/.*\n(.*)/
\1/
b
}
# if its the second ```, we are done
# first clear hold
s/.*//
x
# then write closing tag
s/.*/<\/code><\/pre>/
b
}
# if we aren't reading ```, but hold space has READING in it
# that means we are currently processing a block, just ignore and
# keep going
x
/^ *READING/ {
x
b
}
x
# horizontal rule
s/^\s*-{3,}\s*$/
/
# inline styles
s/(^|[^\\\*])\*{3}([^\*]+)\*{3}([^\*]|$)/\1\2<\/em><\/strong>\3/g
s/(^|[^\\_])_{3}([^_]+)_{3}([^_]|$)/\1\2<\/em><\/strong>\3/g
s/(^|[^\\\*])\*{2}([^\*]+)\*{2}([^\*]|$)/\1\2<\/strong>\3/g
s/(^|[^\\_])_{2}([^\_]+)_{2}([^_]|$)/\1\2<\/strong>\3/g
s/(^|[^\\\*])\*([^\*]+)\*([^\*]|$)/\1\2<\/em>\3/g
s/(^|[^\\_])_([^_]+)_([^_]|$)/\1\2<\/em>\3/g
s/(^|[^\\`])`([^`]+)`([^`]|$)/\1\2<\/code>\3/g
s/(^|[^\\~])~{2}([^~]+)~{2}([^~]|$)/\1\2<\/del>\3/g
# images
s/!\[(.*)\]\((.*)\)//g
# links
s/\[(.*)\]\((.*)\)/\1<\/a>/g
s/\[(.*)\]/\1<\/a>/g
# headers
s/^#{6} (.*)/\1<\/h6>/
s/^#{5} (.*)/\1<\/h5>/
s/^#{4} (.*)/\1<\/h4>/
s/^#{3} (.*)/\1<\/h3>/
s/^#{2} (.*)/\1<\/h2>/
s/^# (.*)/\1<\/h1>/
# lists
# paragraphs (blocks of text separated by one or more blank lines)
/./ {
H
$!d
}
x
/(^$|^\s+$)/ !{
s/^/\n
/
s/$/\n<\/p>/
}