build: Use template files for enums generation

The data contents for the enum related files are stored in the
build files.

This patch moves this information to template files to be used
along with glib-mkenums.

3 files changed, 71 insertions, 24 deletions

diff --git a/src/backend/bacon-video-widget-enums.c.template b/src/backend/bacon-video-widget-enums.c.template
new file mode 100644
index 000000000..38ea6acff
--- /dev/null
+++ b/src/backend/bacon-video-widget-enums.c.template
@@ -0,0 +1,34 @@
+/*** BEGIN file-header ***/
+#include "bacon-video-widget-enums.h"
+#include <glib-object.h>
+
+/*** END file-header ***/
+
+/*** BEGIN file-production ***/
+/* enumerations from "@basename@" */
+#include "@basename@"
+
+/*** END file-production ***/
+
+/*** BEGIN value-header ***/
+GType
+@enum_name@_get_type (void)
+{
+  static GType etype = 0;
+  if (etype == 0) {
+    static const G@Type@Value values[] = {
+/*** END value-header ***/
+
+/*** BEGIN value-production ***/
+      { @VALUENAME@, "@VALUENAME@", "@valuenick@" },
+/*** END value-production ***/
+
+/*** BEGIN value-tail ***/
+      { 0, NULL, NULL }
+    };
+    etype = g_@type@_register_static ("@EnumName@", values);
+  }
+  return etype;
+}
+
+/*** END value-tail ***/
diff --git a/src/backend/bacon-video-widget-enums.h.template b/src/backend/bacon-video-widget-enums.h.template
new file mode 100644
index 000000000..56b683d91
--- /dev/null
+++ b/src/backend/bacon-video-widget-enums.h.template
@@ -0,0 +1,27 @@
+/*** BEGIN file-header ***/
+#ifndef BVW_ENUMS_H
+#define BVW_ENUMS_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+/*** END file-header ***/
+
+/*** BEGIN file-production ***/
+/* enumerations from "@basename@" */
+
+/*** END file-production ***/
+
+/*** BEGIN enumeration-production ***/
+GType @enum_name@_get_type (void) G_GNUC_CONST;
+#define BVW_TYPE_@ENUMSHORT@ (@enum_name@_get_type())
+
+/*** END enumeration-production ***/
+
+/*** BEGIN file-tail ***/
+G_END_DECLS
+
+#endif /* !BVW_ENUMS_H */
+/*** END file-tail ***/
+
diff --git a/src/backend/meson.build b/src/backend/meson.build
index 28c8e1237..ef8da1a7a 100644
--- a/src/backend/meson.build
+++ b/src/backend/meson.build
@@ -42,28 +42,14 @@ sources = files(
   'totem-aspect-frame.c'
 )
 
-enums = 'bacon-video-widget-enums'
-enums_header = files('bacon-video-widget.h')
-
-libbacon_gen_sources = []
-
-libbacon_gen_sources += gnome.mkenums(
-  enums + '.h',
-  sources: enums_header,
-  fhead: '#ifndef BVW_ENUMS_H\n#define BVW_ENUMS_H\n\n#include <glib-object.h>\n\nG_BEGIN_DECLS\n',
-  fprod: '/* enumerations from "@filename@" */\n',
-  vhead: 'GType @enum_name@_get_type (void) G_GNUC_CONST;\n#define BVW_TYPE_@ENUMSHORT@ (@enum_name@_get_type())\n',
-  ftail: 'G_END_DECLS\n\n#endif /* !BVW_ENUMS_H */'
-)
-
-libbacon_gen_sources += gnome.mkenums(
-  enums + '.c',
-  sources: enums_header,
-  fhead: '#include "bacon-video-widget.h"\n#include "bacon-video-widget-enums.h"',
-  fprod: '\n/* enumerations from "@filename@" */',
-  vhead: 'GType\n@enum_name@_get_type (void)\n{\n  static GType etype = 0;\n  if (etype == 0) {\n    static const G@Type@Value values[] = {',
-  vprod: '      { @VALUENAME@, "@VALUENAME@", "@valuenick@" },',
-  vtail: '      { 0, NULL, NULL }\n    };\n    etype = g_@type@_register_static ("@EnumName@", values);\n  }\n  return etype;\n}\n'
+enum = 'bacon-video-widget-enums'
+enum_headers = files('bacon-video-widget.h')
+
+enum_sources = gnome.mkenums(
+  enum,
+  sources: enum_headers,
+  c_template: enum + '.c.template',
+  h_template: enum + '.h.template'
 )
 
 libbacon_video_widget_incs = [
@@ -95,7 +81,7 @@ libbacon_video_widget_cflags = common_flags + warn_flags + [
 
 libbacon_video_widget = static_library(
   'baconvideowidget',
-  sources: sources + libbacon_gen_sources,
+  sources: sources + enum_sources,
   include_directories: libbacon_video_widget_incs,
   dependencies: libbacon_video_widget_deps,
   c_args: libbacon_video_widget_cflags
@@ -105,7 +91,7 @@ libbacon_video_widget_dep = declare_dependency(
   link_with: libbacon_video_widget,
   include_directories: backend_inc,
   dependencies: libbacon_video_widget_deps,
-  sources: libbacon_gen_sources
+  sources: enum_sources
 )
 
 if have_easy_codec