#!/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 } } # 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 s/.*/

/
        b
    }
    # if its the second ```, we are done
    # first clear hold
    s/.*//
    x
    # then write closing tag
    s/.*/<\\code>/
}

# 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


# html style comments
//d

# 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/\[(.*)\]\((.*)\)/\2<\/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>/

# paragraphs

# /./{H;$!d} ; x ; s/^/\n/ ; s/$/\n<\/p>/

\1<\/h6>/ s/^#{5} (.*)/

\1<\/h5>/ s/^#{4} (.*)/

\1<\/h4>/ s/^#{3} (.*)/

\1<\/h3>/ s/^#{2} (.*)/

\1<\/h2>/ s/^#} (.*)/

\1<\/h1>/ # paragraphs # /./{H;$!d} ; x ; s/^/\n/ ; s/$/\n<\/p>/

\1<\/h1>/ # paragraphs # /./{H;$!d} ; x ; s/^/\n
/ ; s/$/\n<\/p>/