scrubs

#!/bin/sh

files() {
	find . -regextype posix-egrep -regex ".*\.(cpp|c)" -print0
}

get_todos() {
	if [ -z "$1" ]; then
		files | xargs -0 grep -HPzo '/\*\*\sTODO(\n\s*\*\N*)*\n\s*\*/\n'
	else
		files | xargs -0 grep -HPzo "/\*\*\sTODO(\n\s*\*\N*)*\n\s*\*\s*@category\s*\N*$1\N*(\n\s*\*\N*)*\n\s*\*/\n"
	fi
}

todos() {
	hline=$(printf "%0.s─" $(seq $(($(tput cols) - 2))))
	hbordertop=$(printf "┌%s┐" "$hline")
	hborderbot=$(printf "└%s┘" "$hline")
	titleline=$(printf "%s" "$hline")

	newline

	printf "%b" "$(get_todos "$1" | \
		sed -e "s/^.*\/\*\* TODO/\\\\033[2;3;39m${hbordertop}\\\\033[0m\\\\n  &\\\\033[2;3;39m ${titleline}\\\\033[0m/g" | \
		sed -e 's/^\s*\*/\*/g' -e 's/\/\*\* TODO/\n/g' | \
		sed -e "s/^\*\//\\\\033[2;3;39m$hborderbot\\\\033[0m\\\\n/g" | \
		sed -e 's/^\*/ /g' | \
		sed -E 's/@category (.*)/\\033[34m\1\\033[0m/g' | \
		sed -E 's/@description/\\033[2mdescription\\033[0m/g')\n"
}

get_docs() {
	if [ -z "$1" ]; then
		files | xargs -0 grep -HPzo '/\*\*\sDOC(\n\s*\*\N*)*\n\s*\*/\n'
	else
		if [ -z "$2" ]; then
			files | xargs -0 grep -HPzo "/\*\*\sDOC(\n\s*\*\N*)*\n\s*\*\s*@type\s*\N*$1\N*(\n\s*\*\N*)*\n\s*\*/\n"
		else
			files | xargs -0 grep -HPzo "/\*\*\sDOC(\n\s*\*\N*)*\n\s*\*\s*@type\s*\N*$1\N*\n\s*\*\s*@name\s*\N*$2\N*(\n\s*\*\N*)*\n\s*\*/\n"
		fi
	fi
}

doc() {
	hline=$(printf "%0.s─" $(seq $(($(tput cols) - 2))))
	hbordertop=$(printf "┌%s┐" "$hline")
	hborderbot=$(printf "└%s┘" "$hline")
	titleline=$(printf "%s" "$hline")

	newline

	output=$(get_docs "$1" "$2" | \
		sed -e "s/^.*\/\*\* DOC/\\\\033[2;3;39m${hbordertop}\\\\033[0m\\\\n  &\\\\033[2;3;39m ${titleline}\\\\033[0m/g" | \
		sed -e 's/^\s*\*/\*/g' -e 's/\/\*\* DOC/\n/g' | \
		sed -e "s/^\*\//\\\\033[2;3;39m$hborderbot\\\\033[0m\\\\n/g" | \
		sed -e 's/^\*/ /g' | \
		sed -E 's/@type (.*)/\\033[32m\1\\033[0m/g' | \
		sed -E 's/@name (.*)/\\033[34m\1\\033[0m/g' | \
		sed -E 's/@param (.*)/\\033[2mparam\\033[0m \\033[33m\1\\033[0m/g' | \
		sed -E 's/@inherit (.*)/\\033[2minherit from\\033[0m \\033[33m\1\\033[0m/g' | \
		sed -E 's/@return (.*)/\\033[2mreturn\\033[0m \\033[33m\1\\033[0m/g' | \
		sed -E 's/@description/\\033[2mdescription\\033[0m/g')

	if [ "$(printf "%s" "$output" | wc -l)" -eq 0 ]; then
		printf "%s\n" "There is no documentation for '$1' '$2'"
		newline
	else
		printf "%b\n" "${output}"
	fi
}

search() {
	docs=$(get_docs "" "")
	list=$(echo "$docs" | grep -Pzo '@type\N*\n\s*\*\s*@name\N*\n' | sed -Ez 's/@type\s*(.*)\n\s*\*\s*@name\s*(.*)\n/\\033[32m\1\\033[0m \\033[34m\2\\033[0m\n/g')

	selected=$(printf "%b" "${list}" | fzf --ansi --preview "scrubs doc \"\$(echo {} | awk '{ print \$1 }')\" \"\$(echo {} | awk '{ print \$2 }')\" | less -R")

	while [ -n "$selected" ]; do
		doc "$selected" | less -R
		selected=$(printf "%b" "${list}" | fzf --ansi --preview 'scrubs doc {} | less -R')
	done
}

title() {
	printf '\033[34m'
	printf "%s" "$1"
	printf '\033[2;3;39m - '
	printf "%s" "$2"
	printf '\033[0m\n'
}

newline() {
	printf '\n'
}

comment() {
	printf '\033[2;3;39m'
	printf "%s", "$1"
	printf '\033[0m'
}

help() {
	newline
	title "scrubs" "Let's Prepare The Operation"
	newline
	comment "Overview"
	newline
	newline
	printf "    todo [category] - list todos [in this category]\n"
	printf "    doc [type] [name] - list documentation for specific type\n"
	printf "    search - browse through the docs (fzf needed)\n"
	newline

	comment "To report bugs, or if you need help send a message to <nathan@reinerweb.ch> or see github.com/NPScript."
	newline
	newline
}

case "$1" in
	todo) todos "$2";;
	doc) doc "$2" "$3";;
	search) search;;
	*) help;;
esac