Add GObject Introspection support to babl

This is needed for GIMP to also have proper GIR support for its plugins.

Extra thanks go to Emmanuele Bassi for the identity filter.

diff --git a/babl/identfilter.py b/babl/identfilter.py
new file mode 100644 (file)
index 0000000..e592de4
--- /dev/null
+++ b/babl/identfilter.py
@@ -0,0 +1,37 @@
+# Copyright 2014  Emmanuele Bassi
+#
+# SPDX-License-Identifier: MIT
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+import sys
+import re
+
+def rename_babl_object(text):
+    # We need this to rename the Babl type into BablObject
+    # Otherwise the type clashes with the namespace
+    if text == 'Babl':
+        return 'BablObject'
+
+    # Leave the rest unharmed
+    return text
+
+if __name__ == '__main__':
+    in_text = sys.stdin.read()
+    sys.stdout.write(rename_babl_object(in_text))

diff --git a/babl/meson.build b/babl/meson.build
index c57bc938d43636462febcf5b09099e72cd09ad53..3d86860a4e33996fc731ecc05ae0dfc09040871d 100644 (file)
--- a/babl/meson.build
+++ b/babl/meson.build
@@ -133,3 +133,21 @@ babl = library(
   version: so_version,
   install: true,
 )
+
+if get_option('enable-gir')
+  # identity filter, so GIR doesn't choke on the Babl type
+  # (since it has the same name as the Babl namespace)
+  identfilter_py = join_paths(meson.current_source_dir(), 'identfilter.py')
+
+  babl_gir = gnome.generate_gir(babl,
+    sources: babl_headers,
+    extra_args: [
+      '--identifier-filter-cmd=@0@ @1@'.format(python.path(), identfilter_py),
+      '-DBABL_IS_BEING_COMPILED',
+    ],
+    namespace: 'Babl',
+    nsversion: '1',
+    header: 'babl.h',
+    install: true,
+  )
+endif

diff --git a/meson.build b/meson.build
index d0a1f9fa235a7640bab8b1e5ee7606f864a5b135..e2a2064bf0aa9055d39544669ce26bf2b4cfb92f 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -25,6 +25,7 @@ conf = configuration_data()
 pkgconfig = import('pkgconfig')
 i18n      = import('i18n')
 gnome     = import('gnome')
+python    = import('python')
 
 cc        = meson.get_compiler('c')
 prefix    = get_option('prefix')

diff --git a/meson_options.txt b/meson_options.txt
index f4a7ced5bdba32fd692bc80e3b2c49bafa9ed601..eca27beb6ff4b823a312a3f0cb2e6150d2d78c18 100644 (file)
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -5,5 +5,6 @@ option('enable-sse3',   type: 'boolean', value: true, description: 'enable SSE3
 option('enable-sse4_1', type: 'boolean', value: true, description: 'enable SSE4.1 support')
 option('enable-avx2',   type: 'boolean', value: true, description: 'enable AVX2 support')
 option('enable-f16c',   type: 'boolean', value: true, description: 'enable hardware half-float support')
+option('enable-gir',    type: 'boolean', value: true, description: 'enable GObject-Introspection (GIR)')
 option('with-docs',     type: 'boolean', value: true, description: 'build website')
 option('with-lcms',     type: 'boolean', value: true, description: 'build with lcms')