#!/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 # 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>/
}

\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>/ }

\1<\/h1>/ # lists # paragraphs (blocks of text separated by one or more blank lines) /./ { H $!d } x /^\s*$/ !{ s/^/\n
/ s/$/\n<\/p>/ }