%global soversion 0

Name:           diff-match-patch
%global srcname %(n=%{name}; echo ${n//-/_})
Version:        20121119
Release:        1%{?dist}
Summary:        Robust algorithms to perform the operations for synchronizing plain text

License:        ASL 2.0
URL:            https://code.google.com/p/google-diff-match-patch/
Source0:        https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/google-diff-match-patch/diff_match_patch_%{version}.zip

BuildRequires:  gcc-c++
BuildRequires:  cmake
BuildRequires:  make
BuildRequires:  cmake(Qt5Core)

%global _description \
The Diff Match and Patch libraries offer robust algorithms to perform\
the operations required for synchronizing plain text.

%description %{_description}

%package devel
Summary:        Development files for %{name}
Requires:       %{name}%{?_isa} = %{?epoch:%{epoch}}%{version}-%{release}

%description devel
%{summary}.

%package -n js-%{name}
Summary:        %{summary}
BuildArch:      noarch
BuildRequires:  web-assets-devel
# To minify
BuildRequires:  closure-compiler
Requires:       web-assets-filesystem

%description -n js-%{name} %{_description}

JavaScript version.

%package -n python2-%{name}
Summary:        %{summary}
%{?python_provide:%python_provide python2-%{name}}
BuildArch:      noarch
BuildRequires:  python2-devel
BuildRequires:  python2-setuptools

%description -n python2-%{name} %{_description}

Python 2 version.

%package -n python3-%{name}
Summary:        %{summary}
%{?python_provide:%python_provide python3-%{name}}
BuildArch:      noarch
BuildRequires:  python3-devel
BuildRequires:  python3-setuptools

%description -n python3-%{name} %{_description}

Python 3 version.

%prep
%autosetup -n %{srcname}_%{version}
mkdir cpp/%{_target_platform}/
sed -i -e "s|toAscii(|toLatin1(|g" cpp/*.cpp
cat > cpp/CMakeLists.txt << EOF
cmake_minimum_required(VERSION 2.8.5)
project(%{name} CXX)
include(GNUInstallDirs)
find_package(Qt5Core REQUIRED)

add_library(%{srcname} %{srcname}.cpp)
target_link_libraries(%{srcname} Qt5::Core)
set_target_properties(%{srcname} PROPERTIES
                      VERSION %{soversion}.%{version}
                      SOVERSION %{soversion}
                      PUBLIC_HEADER %{srcname}.h)
install(TARGETS %{srcname}
        PUBLIC_HEADER DESTINATION \${CMAKE_INSTALL_INCLUDEDIR}
        RUNTIME DESTINATION \${CMAKE_INSTALL_LIBDIR}
        LIBRARY DESTINATION \${CMAKE_INSTALL_LIBDIR})

enable_testing()
add_executable(%{srcname}_test %{srcname}_test.cpp)
target_link_libraries(%{srcname}_test %{srcname} Qt5::Core)
add_test(%{name}-test %{srcname}_test)
EOF

mkdir python
cat > python/setup.py << EOF
from setuptools import setup

ARGS = dict(
    name="%{name}",
    version="%{version}",
    description="The Diff Match and Patch libraries offer robust algorithms "
                "to perform the operations required for synchronizing plain "
                "text.",
    url="%{url}",
    author="Neil Fraser",
    author_email="fraser@google.com",
    license="Apache-2.0",
    classifiers=[
        "Development Status :: 6 - Mature"
        "Intended Audience :: Developers",
        "License :: OSI Approved :: Apache Software License",
        "Programming Language :: Python :: 2",
        "Programming Language :: Python :: 2.4",
        "Programming Language :: Python :: 2.5",
        "Programming Language :: Python :: 2.6",
        "Programming Language :: Python :: 2.7",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.0",
        "Programming Language :: Python :: 3.1",
        "Programming Language :: Python :: 3.2",
        "Programming Language :: Python :: 3.3",
        "Programming Language :: Python :: 3.4",
        "Programming Language :: Python :: 3.5",
        "Topic :: Text Processing",
    ],
    keywords="diff match patch",
    packages=["%{srcname}"],
    test_suite="%{srcname}.%{srcname}_test",
)

if __name__ == "__main__":
    setup(**ARGS)
EOF
for d in python{2,3}; do
  pushd $d
    mkdir %{srcname}
    mv *.py %{srcname}/
    ln -s ../python/setup.py
  popd
done
pushd javascript
  mv %{srcname}_uncompressed.js %{srcname}.js
  sed -i -e "s|%{srcname}\.js|%{srcname}.min.js|g" %{srcname}_test.html
  sed -i -e "s|%{srcname}_uncompressed\.js|%{srcname}.js|g" %{srcname}_test.html
  sed -r -i -e 's|src="(%{srcname}(\.min)?\.js)"|src="%{_jsdir}/\1"|' %{srcname}_test.html
popd
sed -i -e 's|\.\./javascript|%{_jsdir}|' demos/*.html

%build
pushd cpp/%{_target_platform}/
  %cmake ..
popd
%make_build -C cpp/%{_target_platform}/
pushd python2
  %py2_build
popd
pushd python3
  %py3_build
popd
closure-compiler --js javascript/%{srcname}.js --js_output_file javascript/%{srcname}.min.js

%install
%make_install -C cpp/%{_target_platform}/
pushd python2
  %py2_install
popd
pushd python3
  %py3_install
popd
for f in %{srcname}.js %{srcname}.min.js; do
  install -Dpm0644 javascript/$f %{buildroot}%{_jsdir}/$f
done

%check
make test -C cpp/%{_target_platform}/ ARGS="-V"
pushd python2
  %{__python2} setup.py test
popd
pushd python3
  %{__python3} setup.py test
popd

%files
%license COPYING
%{_libdir}/lib%{srcname}.so.*

%files devel
%{_includedir}/%{srcname}.h
%{_libdir}/lib%{srcname}.so

%files -n js-%{name}
%license COPYING
%doc javascript/%{srcname}_test.{js,html}
%doc demos
%{_jsdir}/%{srcname}.js
%{_jsdir}/%{srcname}.min.js

%files -n python2-%{name}
%license COPYING
%{python2_sitelib}/%{srcname}-*.egg-info/
%{python2_sitelib}/%{srcname}/

%files -n python3-%{name}
%license COPYING
%{python3_sitelib}/%{srcname}-*.egg-info/
%{python3_sitelib}/%{srcname}/

%changelog
* Sat Aug 27 2016 Igor Gnatenko <i.gnatenko.brain@gmail.com> - 20121119-1
- Initial package