# A GNU gettext .po/.pot file
class POFile
	super Writable

	# Map of the strings's `msgid` and `msgstr`
	#
	# Read from a PO file
	var strings: Array[PObject]

	redef fun write_to_file(path) do
		if not path.has_suffix(".po") then path += ".po"
		super path
	end

	redef fun write_to(ofs) do
		for i in strings do
			ofs.write("#: {i.locations.join(", ")}\n")
			ofs.write("msgid \"{i.msgid}\"\n")
			ofs.write("msgstr \"{i.msgstr}\"\n\n")
		end
		ofs.write("# Generated file, do not modify\n")
	end

	# Writes the information of the POFile to a .pot template file
	fun write_template(path: String) do
		if not path.has_suffix(".pot") then path += ".pot"
		var f = new FileWriter.open(path)
		write_to(f)
		f.close
	end
end