Finish shell impl

This version includes
- customizable format specifiers for all elements
- line and buffer filtering, which makes all sorts of things possible
- and more!

1 files changed, 0 insertions, 137 deletions

@@ -1,137 +0,0 @@
-#!/bin/sh
-
-BLOCK=
-BUFFER=
-
-process() {
-        while read -r LINE
-        do
-                if test "$BLOCK" = verbatim
-                then
-                        printf '%s\n' "$LINE"
-                        continue
-                fi
-
-                set -- $LINE
-
-                case "$LINE" in
-                        ('```')
-                                if test "$BLOCK" = verbatim
-                                then BLOCK=
-                                else BLOCK=verbatim
-                                fi
-                                ;;
-                        ('')
-                                if test "$BLOCK" = verbatim
-                                then bufpush $'\n'
-                                else bufclose
-                                fi
-                                ;;
-                        ('=>'*) link "$@" ;;
-                        ('#'*) header "$@" ;;
-                        ('*'*) shift; blknew list "$*" ;;
-                        ('>'*) shift; blknew quote "$*" ;;
-                        (*) shift; blknew paragraph "$*" ;;
-                esac
-        done
-        bufclose
-}
-
-blknew() {
-        test "$BLOCK" = "$1" || bufclose
-        bufpush "$(printf "$(eval echo "\$format_$BLOCK")" "$@")"
-        BLOCK="$1"
-}
-
-bufclose() {
-        if test -z "$BLOCK"
-        then "$COLLAPSE_BLANKS" && return
-        else newline; return
-        fi
-
-        # blockp "$BLOCK" || return
-        # fillp $BLOCK && buffill "$(fillp $BLOCK)"
-
-        # TODO: escape shit
-
-        printf '%s%s%s\n' \
-               "$(echo eval "\$opener_$BLOCK")" \
-               "$BUFFER" \
-               "$(echo eval "\$closer_$BLOCK")"
-
-        BLOCK=
-}
-
-buffill() { # buffill WIDTH
-        if test $1 -lt 0
-        then BUFFER="$(printf '%s\n' "$BUFFER" | tr '\n' ' ')"
-        else
-                out=
-                nline=0
-                printf '%s\n' "$BUFFER" | sed 's/[ \t]\+/\n/g' |
-                        while read -r word
-                        do
-                                if test $((nline + ${#word})) -ge "$1"
-                                then
-                                        out="${out}"${out:+$'\n'}"${word}"
-                                        nline=${#word}
-                                else
-                                        out="${out}${out:+ }${word}"
-                                        nline=$((nline + ${#word} + 1))
-                                fi
-                        done
-                BUFFER="$out"
-        fi
-}
-
-bufpush() { BUFFER="${BUFFER}$@"; }
-
-fillp() {
-        :
-}
-
-header() {
-        bufclose
-        lvl=${#1}; shift
-        bufpush "$(printf "$(eval echo "\$format_h$lvl")" "$*")"
-        BLOCK=header
-}
-
-link() {
-        url="$2"; shift 2
-        if test "$BLOCK" = paragraph #&& ! blockp link
-        then bufpush "$(printf "$format_link" "$url" "$*")"
-        else blknew linklist "$url" "$*"
-        fi
-}
-
-newline() { printf '\n'; }
-
-html() {
-        format_link='<a href="%s">%s</a>\n'
-        format_h1='<h1>%s</h1>\n'
-        format_h2='<h2>%s</h2>\n'
-        format_h3='<h3>%s</h3>\n'
-        opener_verbatim='<pre><code>'
-        closer_verbatim='</code></pre>\n'
-        format_verbatim='%s\n'
-        opener_paragraph='<p>'
-        closer_paragraph='</p>\n'
-        format_paragraph='%s\n'
-        opener_quote='<blockquote>'
-        closer_quote='</blockquote>\n'
-        format_quote='%s\n'
-        opener_list='<ul>\n'
-        closer_list='</ul>\n'
-        format_list='<li>%s</li>'
-        opener_linklist='<ul class="linklist">'
-        closer_linklist='</ul>'
-        format_linklist="$(printf "$format_list" "$format_link")"
-}
-
-main() {
-        html
-        process "$@"
-}
-
-main "$@"