-module(maxp).
-export([parse_maxp_table/1]).

-import(read_utils, [read_fixed_version/1]).

-include("sizes.hrl").

parse_maxp_table(
	<<FixedVersion:?FIXED_SIZE/binary,
	NumGlyphs:16, Tail/binary>>) ->
		Version = read_fixed_version(FixedVersion),
		case lists:member(Version, [0.5, 1.0]) of
			false -> throw({invalid_version, Version});
			true -> if Version == 0.5 -> [
				{version, Version},
				{num_glyphs, NumGlyphs}
			]; true ->
				<<
					MaxPoints:16,
					MaxContours:16,
					MaxCompositePoints:16,
					MaxCompositeContours:16,
					MaxZones:16,
					MaxTwilightPoints:16,
					MaxStorage:16,
					MaxFunctionDefs:16,
					MaxInstructionDefs:16,
					MaxStackElements:16,
					MaxSizeOfInstructions:16,
					MaxComponentElements:16,
					MaxComponentDepth:16,
					_/binary
				>> = Tail,
				[
					{version, Version},
					{num_glyphs, NumGlyphs},
					{max_points, MaxPoints},
					{max_contours, MaxContours},
					{max_composite_points, MaxCompositePoints},
					{max_composite_contours, MaxCompositeContours},
					{max_zones, MaxZones},
					{max_twilight_points, MaxTwilightPoints},
					{max_storage, MaxStorage},
					{max_function_defs, MaxFunctionDefs},
					{max_instruction_defs, MaxInstructionDefs},
					{max_stack_elements, MaxStackElements},
					{max_size_of_instructions, MaxSizeOfInstructions},
					{max_component_elements, MaxComponentElements},
					{max_component_depth, MaxComponentDepth}
				]
			end
		end.