[tracker/wip/carlosg/hotdoc: 28/40] build: Use hotdoc to build documentation

[Carlos Garnacho <carlosg src gnome org>]

commit e63e00ee63d6e43e9523699b70dd05ab2cce1bf4
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Aug 3 11:58:19 2021 +0200

    build: Use hotdoc to build documentation

 docs/meson.build                                   |  1 +
 docs/reference/libtracker-sparql/meson.build       | 55 ++++++++++------------
 docs/reference/libtracker-sparql/sitemap.txt       | 18 +++++++
 .../libtracker-sparql/tracker-sparql.toml.in       | 41 ----------------
 meson.build                                        |  5 --
 src/libtracker-sparql/meson.build                  |  6 ++-
 6 files changed, 50 insertions(+), 76 deletions(-)
---
diff --git a/docs/meson.build b/docs/meson.build
index e43b12a8b..a57c8eb04 100644
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -2,6 +2,7 @@ if get_option('man')
   subdir('manpages')
 endif
 if get_option('docs')
+  hotdoc = import('hotdoc')
   subdir('tools')
   subdir('reference')
 endif
diff --git a/docs/reference/libtracker-sparql/meson.build b/docs/reference/libtracker-sparql/meson.build
index 14321c810..d616dc1f2 100644
--- a/docs/reference/libtracker-sparql/meson.build
+++ b/docs/reference/libtracker-sparql/meson.build
@@ -48,34 +48,31 @@ generated_content = [
   'nrl-ontology.md',
 ]
 
-# The TOML gi-docgen configuration wants a list of quoted file names.
-_quoted = []
-foreach c : content + generated_content
-  _quoted += '"@0@"'.format(c)
-endforeach
+required_hotdoc_extensions = [
+  'gi-extension',
+  'devhelp-extension',
+  'syntax-highlighting-extension',
+]
 
-gidocgen_conf = configuration_data()
-gidocgen_conf.set('version', meson.project_version())
-gidocgen_conf.set('content', ','.join(_quoted))
-gidocgen_toml = configure_file(input: 'tracker-sparql.toml.in', output: 'tracker-sparql.toml', 
configuration: gidocgen_conf)
+foreach ext: required_hotdoc_extensions
+  if not hotdoc.has_extensions(ext)
+    error('Documentation enabled but HotDoc extension "@0@" is missing'.format(ext))
+  endif
+endforeach
 
-custom_target(
-  'docgen',
-  input: [ gidocgen_toml, tracker_sparql_gir[0] ],
-  output: 'docs',
-  command: [
-    gidocgen,
-    'generate',
-    '--quiet',
-    #'--add-include-path=@0@'.format(meson.current_build_dir() / '../../../gtk'),
-    '--config=@INPUT0@',
-    '--output-dir=@OUTPUT@',
-    #'--no-namespace-dir',
-    '--content-dir=@0@'.format(meson.current_source_dir()),
-    '--content-dir=@0@'.format(meson.current_build_dir()),
-    '--content-dir=@0@'.format(icon_images_base),
-    '@INPUT1@',
-  ],
-  depends: [tracker_sparql_gir[0], base_ontology_docs, examples],
-  depend_files: [ content ],
-  build_by_default: true)
+hotdoc.generate_doc('tracker',
+  project_version: tracker_version,
+  languages: [ 'c', 'python', 'javascript' ],
+  gi_c_sources: [libtracker_sparql_c_sources, libtracker_sparql_c_public_headers, 
libtracker_sparql_remote_c_sources],
+  gi_sources: [tracker_sparql_gir[0].full_path()],
+  sitemap: 'sitemap.txt',
+  index: 'index.md',
+  gi_index: 'gi-index.md',
+  gi_smart_index: true,
+  gi_c_source_roots: [sparqlinc],
+  dependencies: [tracker_sparql_dep, glib, gobject],
+  extra_assets: [join_paths(meson.current_source_dir(), 'images')],
+  syntax_highlighting_activate: true,
+  devhelp_activate: true,
+  install: true,
+)
diff --git a/docs/reference/libtracker-sparql/sitemap.txt b/docs/reference/libtracker-sparql/sitemap.txt
new file mode 100644
index 000000000..3cdf7fdd6
--- /dev/null
+++ b/docs/reference/libtracker-sparql/sitemap.txt
@@ -0,0 +1,18 @@
+index.md
+       overview.md
+       examples.md
+       tutorial.md
+       ontologies.md
+               base-ontology.md
+                       xsd-ontology.md
+                       dc-ontology.md
+                       rdf-ontology.md
+                       rdfs-ontology.md
+                       nrl-ontology.md
+               defining-ontologies.md
+       gi-index
+               sparql-functions.md
+       implementation.md
+               limits.md
+               performance.md
+               sparql-and-tracker.md
diff --git a/meson.build b/meson.build
index 1d5dc69cb..ebd943a27 100644
--- a/meson.build
+++ b/meson.build
@@ -74,11 +74,6 @@ endif
 gidocgen = dependency('gi-docgen', version: '>= 2021.1', fallback: ['gi-docgen', 'dummy_dep'])
 gidocgen = find_program('gi-docgen')
 
-if get_option('soup2')
-  libsoup = dependency('libsoup-2.4', version: '> 2.40', required: true)
-else
-  libsoup = dependency('libsoup-3.0', version: '>= 2.99.2', required: true)
-
 if get_option('man')
   asciidoc = find_program('asciidoc')
   xsltproc = find_program('xsltproc')
diff --git a/src/libtracker-sparql/meson.build b/src/libtracker-sparql/meson.build
index f4365d7f3..02a60b92e 100644
--- a/src/libtracker-sparql/meson.build
+++ b/src/libtracker-sparql/meson.build
@@ -90,8 +90,12 @@ subdir('direct')
 
 tracker_remote_dependencies = [json_glib, libxml2]
 
-remote_sources = [
+libtracker_sparql_remote_c_sources = files (
     'tracker-endpoint-http.c',
+)
+
+remote_sources = [
+    libtracker_sparql_remote_c_sources,
     'remote/tracker-json-cursor.vala',
     'remote/tracker-xml-cursor.vala',
     'remote/tracker-remote.vala',