blob: 873610f34f754ae846e8a1a3f13923a46ad1c5b7 [file] [log] [blame]
#!/usr/bin/env python3
#
# Copyright (C) 2020-2022 by
# David Turner, Robert Wilhelm, and Werner Lemberg.
#
# This file is part of the FreeType project, and may only be used, modified,
# and distributed under the terms of the FreeType project license,
# LICENSE.TXT. By continuing to use, modify, or distribute this file you
# indicate that you have read the license and understand and accept it
# fully.
"""Parse modules.cfg and dump its output either as ftmodule.h or a list of
base extensions.
"""
from __future__ import print_function
import argparse
import os
import re
import sys
# Expected input:
#
# ...
# FONT_MODULES += <name>
# HINTING_MODULES += <name>
# RASTER_MODULES += <name>
# AUX_MODULES += <name>
# BASE_EXTENSIONS += <name>
# ...
def parse_modules_cfg(input_file):
lists = {
"FONT_MODULES": [],
"HINTING_MODULES": [],
"RASTER_MODULES": [],
"AUX_MODULES": [],
"BASE_EXTENSIONS": [],
}
for line in input_file.splitlines():
line = line.rstrip()
# Ignore empty lines and those that start with a comment.
if not line or line[0] == "#":
continue
items = line.split()
assert len(items) == 3 and items[1] == "+=", (
"Unexpected input line [%s]" % line
)
assert items[0] in lists, (
"Unexpected configuration variable name " + items[0]
)
lists[items[0]].append(items[2])
return lists
def generate_ftmodule(lists):
result = "/* This is a generated file. */\n"
for driver in lists["FONT_MODULES"]:
if driver == "sfnt": # Special case for the sfnt 'driver'.
result += "FT_USE_MODULE( FT_Module_Class, sfnt_module_class )\n"
continue
name = {
"truetype": "tt",
"type1": "t1",
"cid": "t1cid",
"type42": "t42",
"winfonts": "winfnt",
}.get(driver, driver)
result += (
"FT_USE_MODULE( FT_Driver_ClassRec, %s_driver_class )\n" % name
)
for module in lists["HINTING_MODULES"]:
result += (
"FT_USE_MODULE( FT_Module_Class, %s_module_class )\n" % module
)
for module in lists["RASTER_MODULES"]:
name = {
"raster": "ft_raster1",
"smooth": "ft_smooth",
}.get(module)
result += (
"FT_USE_MODULE( FT_Renderer_Class, %s_renderer_class )\n" % name
)
for module in lists["AUX_MODULES"]:
if module in ("psaux", "psnames", "otvalid", "gxvalid"):
result += (
"FT_USE_MODULE( FT_Module_Class, %s_module_class )\n" % module
)
result += "/* EOF */\n"
return result
def generate_main_modules(lists):
return "\n".join(
lists["FONT_MODULES"]
+ lists["HINTING_MODULES"]
+ lists["RASTER_MODULES"]
)
def generate_aux_modules(lists):
return "\n".join(lists["AUX_MODULES"])
def generate_base_extensions(lists):
return "\n".join(lists["BASE_EXTENSIONS"])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"--format",
required=True,
choices=(
"ftmodule.h",
"main-modules",
"aux-modules",
"base-extensions-list",
),
help="Select output format.",
)
parser.add_argument(
"input",
metavar="CONFIGURE_RAW",
help="The input configure.raw file to parse.",
)
parser.add_argument("--output", help="Output file (default is stdout).")
args = parser.parse_args()
with open(args.input) as f:
input_data = f.read()
lists = parse_modules_cfg(input_data)
if args.format == "ftmodule.h":
result = generate_ftmodule(lists)
elif args.format == "main-modules":
result = generate_main_modules(lists)
elif args.format == "aux-modules":
result = generate_aux_modules(lists)
elif args.format == "base-extensions-list":
result = generate_base_extensions(lists)
else:
assert False, "Invalid output format!"
if args.output:
with open(args.output, "w") as f:
f.write(result)
else:
print(result)
return 0
if __name__ == "__main__":
sys.exit(main())