[gegl/wip/pippin/meson] meson: generate gtk-doc

[Øyvind "pippin" Kolås <ok src gnome org>]

commit 22ca87a66c22b68e2ff0553d629516d01f5a3a71
Author: Øyvind Kolås <pippin gimp org>
Date:   Sat Aug 3 21:47:25 2019 +0200

    meson: generate gtk-doc

 docs/gegl-docs.xml | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 docs/meson.build   | 25 +++++++++++++++++
 2 files changed, 103 insertions(+)
---
diff --git a/docs/gegl-docs.xml b/docs/gegl-docs.xml
new file mode 100644
index 000000000..5fbea7bd5
--- /dev/null
+++ b/docs/gegl-docs.xml
@@ -0,0 +1,78 @@
+<?xml version="1.0"?>
+<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+               "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd"; [
+<!ENTITY % local.common.attrib "xmlns:xi  CDATA  #FIXED 'http://www.w3.org/2003/XInclude'">
+<!ENTITY version SYSTEM "version.xml">
+<!ENTITY pi "&#960;">
+<!ENTITY solidus "&#8260;">
+]>
+<book id="index" xmlns:xi="http://www.w3.org/2003/XInclude";>
+  <bookinfo>
+    <title>GEGL Reference Manual</title>
+    <releaseinfo>
+      This document is for the GEGL library
+    </releaseinfo>
+  </bookinfo>
+
+  <part id="gegl">
+    <title>GEGL Overview</title>
+    <!-- <xi:include href="overview.xml"/> -->
+  </part>
+
+  <chapter id="GeglBuffer">
+    <title>GeglBuffer</title>
+    <xi:include href="xml/gegl-buffer.xml" />
+    <xi:include href="xml/gegl-buffer-iterator.xml" />
+    <xi:include href="xml/gegl-buffer-enums.xml" />
+    <xi:include href="xml/gegl-buffer-backend.xml" />
+    <xi:include href="xml/gegl-buffer-matrix2.xml" />
+  </chapter>
+
+  <chapter id="Graph">
+    <title>Graph</title>
+    <xi:include href="xml/gegl-node.xml" />
+    <xi:include href="xml/gegl-pad.xml" />
+    <xi:include href="xml/gegl-processor.xml" />
+  </chapter>
+
+  <chapter id="Operations">
+    <title>Operations</title>
+    <xi:include href="xml/gegl-operation.xml" />
+    <xi:include href="xml/gegl-operations.xml" />
+    <xi:include href="xml/gegl-operations-util.xml" />
+    <xi:include href="xml/gegl-operation-area-filter.xml" />
+    <xi:include href="xml/gegl-operation-filter.xml" />
+    <xi:include href="xml/gegl-operation-composer.xml" />
+    <xi:include href="xml/gegl-operation-composer3.xml" />
+    <xi:include href="xml/gegl-operation-sink.xml" />
+    <xi:include href="xml/gegl-operation-source.xml" />
+    <xi:include href="xml/gegl-operation-point-filter.xml" />
+    <xi:include href="xml/gegl-operation-point-render.xml" />
+    <xi:include href="xml/gegl-operation-point-composer.xml" />
+    <xi:include href="xml/gegl-operation-point-composer3.xml" />
+    <xi:include href="xml/gegl-operation-handlers.xml" />
+    <xi:include href="xml/gegl-operation-meta.xml" />
+    <xi:include href="xml/gegl-operation-meta-json.xml" />
+    <xi:include href="xml/gegl-operation-temporal.xml" />
+    <xi:include href="xml/gegl-operation-property-keys.xml" />
+    <xi:include href="xml/gegl-op.xml" />
+  </chapter>
+
+  <chapter id="Misc">
+    <title>Misc</title>
+    <xi:include href="xml/gegl-init.xml" />
+    <xi:include href="xml/gegl-lookup.xml" />
+    <xi:include href="xml/gegl-apply.xml" />
+    <xi:include href="xml/gegl-matrix.xml" />
+    <xi:include href="xml/gegl-memory.xml" />
+    <xi:include href="xml/gegl-audio-fragment.xml" />
+    <xi:include href="xml/gegl-path.xml" />
+    <xi:include href="xml/gegl-color.xml" />
+    <xi:include href="xml/gegl-rectangle.xml" />
+    <xi:include href="xml/gegl-scratch.xml" />
+    <xi:include href="xml/gegl-utils.xml" />
+    <xi:include href="xml/gegl-version.xml" />
+    <xi:include href="xml/gegl-debug.xml" />
+  </chapter>
+
+</book>
diff --git a/docs/meson.build b/docs/meson.build
index 2557c2282..c09a55483 100644
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -199,3 +199,28 @@ install_data(gtkdoc_images,
 #     ])
 #   ],
 # )
+
+
+docpath = join_paths(get_option('datadir'), 'gtk-doc', 'html')
+
+glib_prefix = dependency('glib-2.0').get_pkgconfig_variable('prefix')
+glib_docpath = join_paths(glib_prefix, 'share', 'gtk-doc', 'html')
+
+
+gnome.gtkdoc('gegl',
+             dependencies : gegl_lib,
+             main_xml : meson.project_name() + '-docs.xml',
+#             gobject_typesfile : meson.project_name() + '.types',
+  src_dir: [
+    join_paths(meson.source_root(), 'gegl'),
+    join_paths(meson.build_root(), 'gegl'),
+  ],
+
+  fixxref_args: [
+    '--html-dir=@0@'.format(docpath),
+    '--extra-dir=@0@'.format(glib_docpath),
+  ],
+  install : false,
+
+#             ignore_headers : ignore_headers,
+            )