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+#!/bin/bash
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+
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+#shellcheck disable=SC1090
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+. "$(sfpath)" || exit 3
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+
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+shellfu import pretty
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+
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+usage() {
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+ mkusage "$@" "[options] FILE" \
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+ -- \
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+ "Open Markdown file FILE in vimb (no junk)." \
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+ -o \
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+ "-C DIR Use DIR as config directory root. Default is" \
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+ " \$HOME/.config/mdvimb." \
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+ "-S STYLE Add CSS style STYLE to the final HTML (this"\
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+ " implies -w). If STYLE contains slash, it will" \
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+ " be interpreted as path, otherwise a file called"\
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+ " STYLE.css is looked up in 'css' directory of" \
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+ " configuration directory. Default is to not add"\
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+ " style." \
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+ "-c CONV_BIN Use converter CONV_BIN, which must be" \
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+ " a program that when called without arguments," \
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+ " accepts Markdown on standard input and prints" \
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+ " HTML to standard output. Default is 'Markdown'."\
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+ "-d Enable debugging output." \
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+ "-n Don't open, just print HTML." \
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+ "-w Wrap the generated HTML with basic HTML5 tags" \
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+ " such as <DOCTYPE>, <html/>, <head/> and" \
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+ " <body/>. Default is to leave the HTML as is." \
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+ "-v Enable verbose output." \
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+ "--help Print this help text and exit." \
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+ -- \
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+ "Default values of options -C, -S and -c can be changed"\
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+ "by setting environment variables MDVIMB__CONFIG_HOME," \
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+ "MDVIMB__STYLE and MDVIMB__CONVERTER, respectively."
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+}
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+
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+MDVIMB__CONVERTER=${MDVIMB__CONVERTER:-Markdown}
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+
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+MDVIMB__CONFIG_HOME=${MDVIMB__CONFIG_HOME:-$HOME/.config/mdvimb}
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+
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+MDVIMB__STYLE=${MDVIMB__STYLE:-}
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+
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+browseopen() {
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+ #
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+ # Open stdin in vimb
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+ #
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+ $NoOpen && { cat; return 0; }
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+ think "opening vimb"
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+ vimb - "$@"
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+}
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+
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+mkwrap() {
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+ #
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+ # Create wrapper part $1 if needed
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+ #
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+ local part=$1
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+ case $part in
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+ link)
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+ mkcssref >/dev/null || return 0
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+ think "adding CSS style: $Style"
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+ echo ' <style type="text/css" media="screen">'
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+ cat "$(mkcssref)"
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+ echo ' </style>'
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+ ;;
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+ title)
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+ case $MdFile in
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+ "") echo ' <title>mdvimb:(stdin)</title>' ;;
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+ *) echo " <title>mdvimb:$MdFile</title>" ;;
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+ esac
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+ ;;
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+ head)
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+ echo '<!DOCTYPE html>'
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+ echo '<html>'
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+ echo ' <head>'
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+ mkwrap title
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+ mkwrap link
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+ echo ' </head>'
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+ echo ' <body>'
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+ ;;
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+ tail)
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+ echo ' </body>'
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+ echo '</html>'
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+ ;;
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+ esac
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+}
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+
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+may_wrap() {
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+ #
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+ # Take HTML on stdin; wrap if $Wrap
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+ #
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+ $Wrap || { cat; return 0; }
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+ think "adding HTML5 tags"
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+ mkwrap head
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+ cat
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+ mkwrap tail
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+}
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+
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+mkcssref() {
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+ #
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+ # Print CSS reference
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+ #
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+ local cssfile=""
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+ case $Style in
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+ "") return 0 ;;
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+ */*) cssfile=$Style ;;
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+ *) cssfile="$ConfigHome/css/$Style.css" ;;
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+ esac
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+ test -f "$cssfile" || {
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+ warn "CSS file not found, ignoring: $cssfile"
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+ return 3
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+ }
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+ debug -v cssfile
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+ echo "$cssfile"
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+}
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+
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+
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+main() {
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+ local MdFile
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+ local converter=$MDVIMB__CONVERTER
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+ local ConfigHome=$MDVIMB__CONFIG_HOME
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+ local converterpath
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+ local NoOpen=false
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+ local Wrap=false
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+ local Style=$MDVIMB__STYLE
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+ #shellcheck disable=SC2034
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+ while true; do case $1 in
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+ -C) ConfigHome=$2; shift 2 ;;
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+ -S) Style=$2; shift 2 ;;
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+ -c) converter=$2; shift 2 ;;
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+ -d) PRETTY_DEBUG=true; shift ;;
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+ -n) NoOpen=true; shift ;;
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+ -v) PRETTY_VERBOSE=true; shift ;;
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+ -w) Wrap=true; shift ;;
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+ --help) usage -k ;;
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+ -*) usage -w "unknown argument: $1" ;;
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+ *) break ;;
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+ esac done
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+ test -n "$Style" && Wrap=true
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+ MdFile=$1; shift
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+ debug -v MDVIMB__CONVERTER MDVIMB__CONFIG_HOME MDVIMB__STYLE
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+ debug -v MdFile converter NoOpen Wrap Style ConfigHome
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+ converterpath=$(which "$converter") \
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+ || die "converter not available: $converter"
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+ debug -v converterpath
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+ think "using converter: $converter"
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+ case $MdFile in
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+ -|"") think "reading standard input" ;;
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+ *) think "reading file: $MdFile" ;;
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+ esac
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+ case $MdFile in
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+ "") $converterpath | may_wrap | browseopen "$@" ;;
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+ -) $converterpath | may_wrap | browseopen "$@" ;;
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+ *) <"$MdFile" $converterpath | may_wrap | browseopen "$@"
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+ esac
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+}
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+
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+main "$@"
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Alois Mahdal
5 년 전