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#!/usr/bin/env sh

DB_PATH="$1"
shift

get_title() {
	FILE="$1"

	PATTERN="<[tT][iI][tT][lL][eE]>.*</[tT][iI][tT][lL][eE]>"

	#Find pattern in file
	grep -Eo "$PATTERN" "$FILE" | 
		#Remove tag
		sed 's/<[^>]*>//g' | \
		#Remove '(automake)'
		sed 's/(Autoconf)//g' | \
		#Remove trailing space
		sed 's/[ ]*$//g' | \
		#Replace '&amp' with '&'
		sed 's/&amp/&/g' | \
		# ReplACE '&ndash;' with '-'
		sed 's/&ndash;/-/g' | \
		#Replace '&lt;' with '<'
		sed 's/&lt;/</g'
}

get_type() {
	FILE="$1"
	PATTERN="The node you are looking for is at.*Limitations-of-.*\.html;Builtin
	The node you are looking for is at;Macro"

	#echo "$PATTERN" | while read -r line; do
	#	#echo "$line"
	#	if grep -Eq "$(echo "$line" | cut -d ';' -f 1)" "$FILE"; then
	#		echo "$line" | cut -d ';' -f 2
	#		break
	#	fi
	#done
}

insert() {
	NAME="$1"
	TYPE="$2"
	PAGE_PATH="$3"

	sqlite3 "$DB_PATH" "INSERT INTO searchIndex(name, type, path) VALUES (\"$NAME\",\"$TYPE\",\"$PAGE_PATH\");"
}

# Get title and insert into table for each html file
main() {
	while [ -n "$1" ]; do
		unset PAGE_NAME
		unset PAGE_TYPE

		echo "FILE: $1"
		# Recurse into subdirectories
		if [ -d "$1" ]; then
			main "$1"/*
		else
			PAGE_NAME="$(get_title "$1")"
			if [ -n "$PAGE_NAME" ]; then
				PAGE_TYPE="$(get_type "$1")"
				#get_type "$1"
				if [ -z "$PAGE_TYPE" ]; then
					PAGE_TYPE="Guide"
				fi
				echo "$PAGE_NAME"
				echo "$PAGE_TYPE"
				insert "$PAGE_NAME" "$PAGE_TYPE" "$(echo "$1" | sed 's/^ncurses.docset\/Contents\/Resources\/Documents\///')"
			fi
		fi

		shift
	done
}

# Create table
sqlite3 "$DB_PATH" "CREATE TABLE searchIndex(id INTEGER PRIMARY KEY, name TEXT, type TEXT, path TEXT);"
sqlite3 "$DB_PATH" "CREATE UNIQUE INDEX anchor ON searchIndex (name, type, path);"

main "$@"