summaryrefslogtreecommitdiffstats
path: root/cmake/QtDocsHelpers.cmake
blob: ac694a990d27b2ba6d45b698e449d88c42a8c340 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
# This function adds a dependency between a doc-generating target like 'generate_docs_Gui'
# and the necessary tool target like 'qdoc'.
#
# If the target is not yet existing, save the dependency connection in a global property.
# The dependency is then added near the end of the top-level build after all subdirectories have
# been handled.
function(qt_internal_add_doc_tool_dependency doc_target tool_name)
    qt_get_tool_target_name(tool_target ${tool_name})
    if(TARGET ${tool_target})
        add_dependencies(${doc_target} ${tool_target})
    else()
        qt_internal_defer_dependency(${doc_target} ${tool_target})
    endif()
endfunction()

function(qt_internal_add_docs)
    if(${ARGC} EQUAL 1)
        # Function called from old generated CMakeLists.txt that was missing the target parameter
        return()
    endif()
    if(NOT ${ARGC} EQUAL 2)
        message(FATAL_ERROR "qt_add_docs called with the wrong number of arguments. Should be qt_add_docs(target path_to_project.qdocconf).")
        return()
    endif()
    set(target ${ARGV0})
    set(doc_project ${ARGV1})

    # If a target is not built (which can happen for tools when crosscompiling, we shouldn't try
    # to generate docs.
    if(NOT TARGET "${target}")
        return()
    endif()

    set(tool_dependencies_enabled TRUE)
    if(NOT "${QT_HOST_PATH}" STREQUAL "")
        set(tool_dependencies_enabled FALSE)
        set(doc_tools_bin "${QT_HOST_PATH}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_BINDIR}")
        set(doc_tools_libexec "${QT_HOST_PATH}/${QT${PROJECT_VERSION_MAJOR}_HOST_INFO_LIBEXECDIR}")
    elseif(QT_SUPERBUILD)
        set(doc_tools_bin "${QtBase_BINARY_DIR}/${INSTALL_BINDIR}")
        set(doc_tools_libexec "${QtBase_BINARY_DIR}/${INSTALL_LIBEXECDIR}")
    else()
        set(doc_tools_bin "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_BINDIR}")
        set(doc_tools_libexec "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBEXECDIR}")
    endif()

    set(qdoc_bin "${doc_tools_bin}/qdoc${CMAKE_EXECUTABLE_SUFFIX}")
    set(qtattributionsscanner_bin "${doc_tools_libexec}/qtattributionsscanner${CMAKE_EXECUTABLE_SUFFIX}")
    set(qhelpgenerator_bin "${doc_tools_libexec}/qhelpgenerator${CMAKE_EXECUTABLE_SUFFIX}")

    get_target_property(target_type ${target} TYPE)
    if (NOT target_type STREQUAL "INTERFACE_LIBRARY")
        get_target_property(target_bin_dir ${target} BINARY_DIR)
        get_target_property(target_source_dir ${target} SOURCE_DIR)
    else()
        set(target_bin_dir ${CMAKE_CURRENT_BINARY_DIR})
        set(target_source_dir ${CMAKE_CURRENT_SOURCE_DIR})
    endif()
    set(doc_output_dir "${target_bin_dir}/.doc")

    # Generate include dir list
    set(target_include_dirs_file "${doc_output_dir}/$<CONFIG>/includes.txt")


    set(prop_prefix "")
    if(target_type STREQUAL "INTERFACE_LIBRARY")
        set(prop_prefix "INTERFACE_")
    endif()
    set(include_path_prop "${prop_prefix}INCLUDE_DIRECTORIES")

    set(include_paths_property "$<TARGET_PROPERTY:${target},${include_path_prop}>")
    if (NOT target_type STREQUAL "UTILITY")
        file(GENERATE
            OUTPUT ${target_include_dirs_file}
            CONTENT "$<$<BOOL:${include_paths_property}>:-I$<JOIN:${include_paths_property},\n-I>>"
        )
        set(include_path_args "@${target_include_dirs_file}")
    else()
        set(include_path_args "")
    endif()

    get_filename_component(doc_target "${doc_project}" NAME_WLE)
    if (QT_WILL_INSTALL)
        set(qdoc_output_dir "${CMAKE_BINARY_DIR}/${INSTALL_DOCDIR}/${doc_target}")
        set(qdoc_qch_output_dir "${CMAKE_BINARY_DIR}/${INSTALL_DOCDIR}")
        set(index_dir "${CMAKE_BINARY_DIR}/${INSTALL_DOCDIR}")
    else()
        set(qdoc_output_dir "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_DOCDIR}/${doc_target}")
        set(qdoc_qch_output_dir "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_DOCDIR}")
        set(index_dir "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_DOCDIR}")
    endif()

    # qtattributionsscanner
    add_custom_target(qattributionsscanner_${target}
        COMMAND ${qtattributionsscanner_bin}
        ${PROJECT_SOURCE_DIR}
        --basedir "${PROJECT_SOURCE_DIR}/.."
        --filter "QDocModule=${doc_target}"
        -o "${target_bin_dir}/codeattributions.qdoc"
    )

    # prepare docs target
    set(prepare_qdoc_args
        -outputdir "${qdoc_output_dir}"
        "${target_source_dir}/${doc_project}"
        -prepare
        -indexdir "${index_dir}"
        -no-link-errors
        "${include_path_args}"
    )
    if(NOT QT_BUILD_ONLINE_DOCS)
        list(PREPEND prepare_qdoc_args
            -installdir "${QT_INSTALL_DIR}/${INSTALL_DOCDIR}"
        )
    endif()

    if(QT_SUPERBUILD)
        set(qt_install_docs_env "${QtBase_BINARY_DIR}/${INSTALL_DOCDIR}")
    elseif(QT_WILL_INSTALL)
        set(qt_install_docs_env "${CMAKE_INSTALL_PREFIX}/${INSTALL_DOCDIR}")
    else()
        set(qt_install_docs_env "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_DOCDIR}")
    endif()

    set(qdoc_env_args
        "QT_INSTALL_DOCS=\"${qt_install_docs_env}\""
        "QT_VERSION=${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}"
        "QT_VER=${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}"
        "QT_VERSION_TAG=${PROJECT_VERSION_MAJOR}${PROJECT_VERSION_MINOR}${PROJECT_VERSION_PATCH}"
        "BUILDDIR=${target_bin_dir}"
    )

    add_custom_target(prepare_docs_${target}
        COMMAND ${CMAKE_COMMAND} -E env ${qdoc_env_args}
        ${qdoc_bin}
        ${prepare_qdoc_args}
    )

    add_dependencies(prepare_docs_${target} qattributionsscanner_${target})

    # generate docs target
    set(generate_qdoc_args
        -outputdir "${qdoc_output_dir}"
        "${target_source_dir}/${doc_project}"
        -generate
        -indexdir "${index_dir}"
        "${include_path_args}"
    )
    if(NOT QT_BUILD_ONLINE_DOCS)
        list(PREPEND generate_qdoc_args
            -installdir "${QT_INSTALL_DIR}/${INSTALL_DOCDIR}"
        )
    endif()

    foreach(target_prefix generate_top_level_docs generate_repo_docs generate_docs)
        set(depends_arg "")
        if(tool_dependencies_enabled)
            set(depends_arg DEPENDS ${qdoc_bin})
        endif()
        add_custom_target(${target_prefix}_${target}
            ${depends_arg}
            COMMAND ${CMAKE_COMMAND} -E env ${qdoc_env_args} ${qdoc_bin} ${generate_qdoc_args})
    endforeach()

    add_dependencies(generate_docs_${target} prepare_docs_${target})
    add_dependencies(generate_repo_docs_${target} ${qt_docs_prepare_target_name})
    add_dependencies(generate_top_level_docs_${target} prepare_docs)
    add_dependencies(generate_docs generate_top_level_docs_${target})

    # html docs target
    add_custom_target(html_docs_${target})
    add_dependencies(html_docs_${target} generate_docs_${target})

    # generate .qch
    set(qch_file_name ${doc_target}.qch)
    set(qch_file_path ${qdoc_qch_output_dir}/${qch_file_name})

    foreach(target_prefix qch_top_level_docs qch_repo_docs qch_docs)
        set(depends_arg "")
        if(tool_dependencies_enabled)
            set(depends_arg DEPENDS ${qhelpgenerator_bin})
        endif()
        add_custom_target(${target_prefix}_${target}
            ${depends_arg}
            COMMAND ${qhelpgenerator_bin}
            "${qdoc_output_dir}/${doc_target}.qhp"
            -o "${qch_file_path}"
        )
    endforeach()
    add_dependencies(qch_docs_${target} generate_docs_${target})
    add_dependencies(qch_repo_docs_${target} ${qt_docs_generate_target_name})
    add_dependencies(qch_top_level_docs_${target} generate_docs)
    add_dependencies(qch_docs qch_top_level_docs_${target})

    if (QT_WILL_INSTALL)
        install(DIRECTORY "${qdoc_output_dir}/"
                DESTINATION "${INSTALL_DOCDIR}/${doc_target}"
                COMPONENT _install_html_docs_${target}
                EXCLUDE_FROM_ALL
        )

        add_custom_target(install_html_docs_${target}
            COMMAND ${CMAKE_COMMAND}
            --install "${CMAKE_BINARY_DIR}"
            --component _install_html_docs_${target}
            COMMENT "Installing html docs for target ${target}"
        )

        install(FILES "${qch_file_path}"
                DESTINATION "${INSTALL_DOCDIR}"
                COMPONENT _install_qch_docs_${target}
                EXCLUDE_FROM_ALL
        )

        add_custom_target(install_qch_docs_${target}
            COMMAND ${CMAKE_COMMAND}
            --install "${CMAKE_BINARY_DIR}"
            --component _install_qch_docs_${target}
            COMMENT "Installing qch docs for target ${target}"
        )

    else()
        # Don't need to do anything when not installing
        add_custom_target(install_html_docs_${target})
        add_custom_target(install_qch_docs_${target})
    endif()

    add_custom_target(install_docs_${target})
    add_dependencies(install_docs_${target} install_html_docs_${target} install_qch_docs_${target})

    add_custom_target(docs_${target})
    add_dependencies(docs_${target} html_docs_${target})
    add_dependencies(docs_${target} qch_docs_${target})

    add_dependencies(${qt_docs_prepare_target_name} prepare_docs_${target})
    add_dependencies(${qt_docs_generate_target_name} generate_repo_docs_${target})
    add_dependencies(${qt_docs_qch_target_name} qch_repo_docs_${target})
    add_dependencies(${qt_docs_install_html_target_name} install_html_docs_${target})
    add_dependencies(${qt_docs_install_qch_target_name} install_qch_docs_${target})

    # Make sure that the necessary tools are built when running,
    # for example 'cmake --build . --target generate_docs'.
    if(tool_dependencies_enabled)
        qt_internal_add_doc_tool_dependency(qattributionsscanner_${target} qtattributionsscanner)
        qt_internal_add_doc_tool_dependency(prepare_docs_${target} qdoc)
        qt_internal_add_doc_tool_dependency(qch_docs_${target} qhelpgenerator)
    endif()
endfunction()