# Maintainer (aur): Fabio 'Lolix' Loli <fabio.loli@disroot.org>
# Contributor: Zen Wen <zen.8841@gmail.com>
# Contributor: Felix Yan <felixonmars@archlinux.org>
# Contributor: Antonio Rojas <arojas@archlinux.org>
# Contributor: Andrea Scarpino <andrea@archlinux.org>
# Maintainer: Parabola Hackers <dev@lists.parabola.nu>
# Contributor: bill-auger <bill-auger@programmer.net>


# parabola changes and rationale:
# - blacklist rescue for webengine clients which support webkit
# - pin to strongly-coupled dependency versions

# NOTE: for each qt5-base N.N.N release, re-build as a chain - build order:
#         (qt5-base-N.N.N) <- qt5-webkit <- python-pyqt5 <- qutebrowser


pkgname=qt5-webkit
_pkgver=5.212.0-alpha4
pkgver=${_pkgver/-/}
pkgrel=22
pkgrel+=.parabola1
arch=(x86_64 aarch64)
arch+=(armv7h i686)
url="https://github.com/qtwebkit/qtwebkit"
license=(GPL3 LGPL3 FDL custom)
pkgdesc="Classes for a WebKit2 based implementation and a new QML API"
source=("https://github.com/qtwebkit/qtwebkit/releases/download/qtwebkit-$_pkgver/qtwebkit-${_pkgver}.tar.xz"
        "https://src.fedoraproject.org/rpms/qt5-qtwebkit/raw/rawhide/f/qtwebkit-cstdint.patch"
         icu68.patch
         glib-2.68.patch
         qt5-webkit-python-3.9.patch
         qt5-webkit-bison-3.7.patch)
depends=(qt5-location qt5-sensors qt5-webchannel libwebp libxcomposite gst-plugins-base hyphen woff2

         # namcap implicit depends
         glibc gcc-libs glib2 zlib libx11 sqlite gst-plugins-base-libs libjpeg-turbo icu libpng gstreamer libxml2
         qt5-base qt5-declarative)
         # libxslt
makedepends=(cmake ruby gperf python qt5-doc qt5-tools)
optdepends=('gst-plugins-good: Webm codec support')
options=(!lto)
[[ "${CARCH}" == armv7h ]] && options+=(!debug) # reduce memory usage for armv7h
sha256sums=('9ca126da9273664dd23a3ccd0c9bebceb7bb534bddd743db31caf6a5a6d4a9e6'
            '4c71c958eae45cae65c9f002024eb1369d06029b668e595158138ff7971e64f1'
            '0b40ed924f03ff6081af610bb0ee01560b7bd1fb68f8af02053304a01d4ccdf0'
            '4969dd03e482155e2490b50307dada81dda7bbc9e5398e3a53c20bc474f7c04e'
            '6e0cee08e4fa57b04752e80817f33562f48aa42608a3a620930b6040259b4932'
            '34f37b53ee0bc31c63ce85ebd1ae95543a8ba28483e387b20efd50574bd813be')


## dependency tweaks ##

# FIXME: Could NOT find Sqlite (missing: SQLITE_LIBRARIES)
[[ "${CARCH}" == armv7h ]] && makedepends+=( 'pkgconf<=2.1.0' ) # dustbin 2024-01-31


_version_constraint() # (dep_pkgname [precision])
{
  Log() { [[ "${FUNCNAME[2]}" == package ]] && echo "$@" >&2 || : ; }


  local dep_pkgname=$1
  declare -i req_precision=$2
  local full_version=$(pacman -S --print-format='%v' ${dep_pkgname} 2> /dev/null | tail -n 1)
  local n_dots=$(tmp=${full_version%-*} ; tmp=${tmp//[^\.]} ; echo "${#tmp}" ;)
  local def_precision=$(( n_dots + 1 ))
  local is_prec_valid=$(( req_precision > 0 && req_precision <= def_precision ))
  local precision=$((( is_prec_valid )) && echo ${req_precision} || echo ${def_precision})
  local pkgver_rx='[0-9A-Za-z_]+'
  pkgver_rx=$(sed 's|\]|\+]|' <<<${pkgver_rx}) # according to the wiki, '+' is not allowed,
                                               # but some pkgver have it (eg: 5.15.10+kde+r130)
  local subver_rx='\.'${pkgver_rx}
  local pkgrel_rx='[0-9]+'
  local garbage_rx='[^0-9].*'
  local capture_rx=${pkgver_rx}
  for (( n_dots=1 ; n_dots < precision ; ++n_dots )) ; do capture_rx+=${subver_rx} ; done ;
  local version pkgrel has_dot_char version_min version_max constraint_string
  declare -i subver subver_inc pkgrel_inc

  if   [[ "${full_version}" =~ ^(${capture_rx})(${subver_rx})*-(${pkgrel_rx}).*$ ]]
  then version=${BASH_REMATCH[1]} # pkgver cut to the requested precision
       #unused=${BASH_REMATCH[2]} # discarded pkgver segments
       pkgrel=${BASH_REMATCH[3]}  # pkgrel with non-numerics right-trimmed
       has_dot_char=$([[ "${version}" =~ \. ]] ; echo $(( ! $? )) ; )
       subver=$(sed "s|${garbage_rx}||" <<<${version##*.}) # right-trim from any non-numeric
       version=$( (( has_dot_char )) && echo ${version%.*}.${subver} || echo ${subver} )
       subver_inc=$(( subver + 1 ))
       pkgrel_inc=$(( pkgrel + 1 ))
       version_min=$(   (( ! is_prec_valid    )) && echo ${full_version%-*}-${pkgrel} || \
                                                    echo ${version}                      )
       version_max=$( ( (( ! is_prec_valid    )) && echo ${full_version%-*}-${pkgrel_inc} ) || \
                      ( [[ "${version}" =~ \. ]] && echo ${version%.*}.${subver_inc}      ) || \
                                                    echo ${subver_inc}                         )
       constraint_string="${dep_pkgname}>=${version_min} ${dep_pkgname}<${version_max}"

       Log "Applied version constraint: '${constraint_string}'"
  else Log "ERROR: in _version_constraint() parsing: dep_pkgname='${dep_pkgname}' full_version='${full_version}'"
       exit 1
  fi

  unset -f Log

  echo -n "${constraint_string}"
}


prepare() {
  cd "qtwebkit-${_pkgver}"
  patch -p0 -i ../icu68.patch # Fix build with ICU 68.x
  patch -p1 -i ../glib-2.68.patch # https://github.com/qtwebkit/qtwebkit/issues/1057
  patch -p1 -i ../qt5-webkit-python-3.9.patch # Fix build with python 3.9
  patch -p1 -i ../qt5-webkit-bison-3.7.patch # Fix build with bison 3.7
  patch -p1 -i ../qtwebkit-cstdint.patch # gcc 11.1
}

build() {
  local make_opts=()

  # reduce memory usage for armv7h
  if   [[ "${CARCH}" == armv7h ]]
  then export CXXFLAGS="${CXXFLAGS} -fuse-ld=bfd"
       export LDFLAGS+=' -Wl,--no-keep-memory -Wl,--reduce-memory-overheads'
       make_opts=( '--' '-j4')
  fi

  cmake -B build -S "qtwebkit-${_pkgver}" -Wno-dev \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_CXX_FLAGS="${CXXFLAGS} -DNDEBUG" \
    -DPORT=Qt \
    -DENABLE_XSLT=OFF \
    -DENABLE_TOOLS=OFF
  cmake --build build ${make_opts[*]}

# disabling XSLT to build https://github.com/qtwebkit/qtwebkit/issues/1097
}

package() {
  # pin to strongly-coupled dependency versions
  depends+=( libicudata.so                     \
             $(_version_constraint qt5-base 3) )
  depends+=(libicuuc.so libicui18n.so)
  DESTDIR="${pkgdir}" cmake --install build

  # install 'qt5-base' licenses
  install -d "$pkgdir"/usr/share/licenses
  ln -s /usr/share/licenses/qt5-base "$pkgdir"/usr/share/licenses/${pkgname}
}