gstreamer/subprojects/gst-plugins-ugly/docs/meson.build

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Meson
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build_hotdoc = false
if meson.is_cross_build()
if get_option('doc').enabled()
error('Documentation enabled but building the doc while cross building is not supported yet.')
endif
message('Documentation not built as building it while cross building is not supported yet.')
subdir_done()
endif
if static_build
if get_option('doc').enabled()
error('Documentation enabled but not supported when building statically.')
endif
message('Building statically, can\'t build the documentation')
subdir_done()
endif
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required_hotdoc_extensions = ['gst-extension']
plugins_cache = join_paths(meson.current_source_dir(), 'gst_plugins_cache.json')
if gst_dep.type_name() == 'internal'
gst_proj = subproject('gstreamer')
plugins_cache_generator = gst_proj.get_variable('plugins_cache_generator')
else
plugins_cache_generator = find_program(join_paths(gst_dep.get_variable('libexecdir'), 'gstreamer-' + api_version, 'gst-plugins-doc-cache-generator'),
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required: false)
endif
if plugins.length() == 0
message('All ugly plugins have been disabled')
elif plugins_cache_generator.found()
gst_plugins_doc_dep = custom_target('ugly-plugins-doc-cache',
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command: [plugins_cache_generator, plugins_cache, '@OUTPUT@', '@INPUT@'],
input: plugins,
output: 'gst_plugins_cache.json',
build_always_stale: true,
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)
else
warning('GStreamer plugin inspector for documentation not found, can\'t update the cache')
endif
hotdoc_p = find_program('hotdoc', required: get_option('doc'))
if not hotdoc_p.found()
message('Hotdoc not found, not building the documentation')
subdir_done()
endif
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hotdoc_req = '>= 0.11.0'
hotdoc_version = run_command(hotdoc_p, '--version', check: false).stdout()
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if not hotdoc_version.version_compare(hotdoc_req)
if get_option('doc').enabled()
error('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
else
message('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
subdir_done()
endif
endif
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hotdoc = import('hotdoc')
foreach extension: required_hotdoc_extensions
if not hotdoc.has_extensions(extension)
if get_option('doc').enabled()
error('Documentation enabled but @0@ missing'.format(extension))
endif
message('@0@ extension not found, not building documentation'.format(extension))
subdir_done()
endif
endforeach
build_hotdoc = true
docconf = configuration_data()
docconf.set('GST_API_VERSION', api_version)
configure_file(input : 'gst_api_version.in',
output : 'gst_api_version.md',
configuration : docconf)
root_rel = '..'
excludes = []
foreach f: []
excludes += [join_paths(meson.current_source_dir(), root_rel, '..', f)]
endforeach
libs_doc = []
plugins_doc = []
list_plugin_res = run_command(python3, '-c',
'''
import sys
import json
with open("@0@") as f:
print(':'.join(json.load(f).keys()), end='')
'''.format(plugins_cache),
check: true)
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foreach plugin_name: list_plugin_res.stdout().split(':')
plugins_doc += [hotdoc.generate_doc(plugin_name,
project_version: api_version,
sitemap: 'sitemap.txt',
index: 'index.md',
gst_index: 'index.md',
gst_smart_index: true,
gst_c_sources: [
join_paths(root_rel, 'sys/*/*.[ch]'),
join_paths(root_rel, 'ext/*/*.[ch]'),
join_paths(root_rel, 'gst/*/*.[ch]'),
],
gst_c_source_filters: excludes,
dependencies: [gst_dep],
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gst_order_generated_subpages: true,
disable_incremental_build: true,
gst_cache_file: plugins_cache,
gst_plugin_name: plugin_name,
)]
endforeach