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#!/usr/bin/python3
# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
import os
import subprocess
from argparse import ArgumentParser, RawTextHelpFormatter
from pathlib import Path
from tempfile import NamedTemporaryFile
DESCRIPTION = """
Usage: generate_ui.py
Generates the source files ui4.cpp, ui4.h used in the uic tool, the QtUiTools library and
Qt Widgets Designer from the XML schema used for .ui files.
Requires xalan.
"""
opt_delete_temp_files = True
def read_cpp_license(path):
"""Read out the license from a C++ source"""
result = ""
for line in path.read_text().splitlines():
result += line + "\n"
if 'SPDX-License-Identifier' in line:
break
return result
def replace_xsl_keys(xsl_source_file, license, ui_header_name=None):
"""Replace special keys in XSL files and return a handle to temporary file"""
xsl = xsl_source_file.read_text()
xsl = xsl.replace("@LICENSE@", license)
if ui_header_name:
xsl = xsl.replace("@HEADER@", ui_header_name)
result = NamedTemporaryFile(mode='w', suffix='.xsl',
dir=Path.cwd(),
delete=opt_delete_temp_files)
result.write(xsl)
return result
def run_xslt(source, sheet, target):
"""Run xalan."""
cmd = ['xalan', '-in', os.fspath(source), '-xsl', os.fspath(sheet),
'-out', os.fspath(target)]
subprocess.check_call(cmd)
if __name__ == '__main__':
argument_parser = ArgumentParser(description=DESCRIPTION,
formatter_class=RawTextHelpFormatter)
argument_parser.add_argument('--keep', '-k', action='store_true',
help='Keep temporary files')
options = argument_parser.parse_args()
opt_delete_temp_files = not options.keep
# Generate uilib header and source.
xml_dir = Path(__file__).parent.resolve()
ui4_xsd = xml_dir / 'ui4.xsd'
designer_dir = xml_dir.parent
uilib_dir = designer_dir / "src" / "lib" / "uilib"
uilib_impl = uilib_dir / 'ui4.cpp'
license = read_cpp_license(uilib_impl)
print("Running XSLT processor for uilib header...\n")
header_xsl_source = xml_dir / 'generate_header.xsl'
header_xsl = replace_xsl_keys(header_xsl_source, license)
run_xslt(ui4_xsd, header_xsl.name, uilib_dir / 'ui4_p.h')
print("Running XSLT processor for uilib source...\n")
impl_xsl_source = xml_dir / 'generate_impl.xsl'
impl_xsl = replace_xsl_keys(impl_xsl_source, license, 'ui4_p.h')
run_xslt(ui4_xsd, impl_xsl.name, uilib_impl)
# uic: Header is called 'ui4.h' instead of 'ui4_p.h'
uic_dir = designer_dir.parents[2] / "qtbase" / "src" / "tools" / "uic"
uic_impl = uic_dir / 'ui4.cpp'
license = read_cpp_license(uic_impl)
print("Running XSLT processor for uic header...\n")
header_xsl = replace_xsl_keys(header_xsl_source, license)
run_xslt(ui4_xsd, header_xsl.name, uic_dir / 'ui4.h')
print("Running XSLT processor for uic source...\n")
impl_xsl = replace_xsl_keys(impl_xsl_source, license, 'ui4.h')
run_xslt(ui4_xsd, impl_xsl.name, uic_impl)
subprocess.call(['git', 'diff'])
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