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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 = ""
++ lines = path.read_text().splitlines()
++ for i in range(len(lines)):
++ result += lines[i] + "\n"
++ if 'Qt-Security' in lines[i]:
++ break
++ if 'SPDX-License-Identifier' in lines[i] and not 'Qt-Security' in lines[i+1]:
++ 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'])