From 33a6c7c7180b43f8f209a7b62cd47e882eb9c7f6 Mon Sep 17 00:00:00 2001
From: Andrey Astafyev <dev@246060.ru>
Date: Tue, 4 Oct 2022 17:24:08 +0300
Subject: [PATCH] Doxygen

---
 MyxCMakeConfig.cmake  |  1 +
 lib/doc/Doxyfile.in   | 31 +++++++++++++++++++
 lib/doc/Doxygen.cmake | 71 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 103 insertions(+)
 create mode 100644 lib/doc/Doxyfile.in
 create mode 100644 lib/doc/Doxygen.cmake

diff --git a/MyxCMakeConfig.cmake b/MyxCMakeConfig.cmake
index b3378fe..b6dc426 100644
--- a/MyxCMakeConfig.cmake
+++ b/MyxCMakeConfig.cmake
@@ -32,6 +32,7 @@ include(${MYX_CMAKE_LIB_DIR}/TargetSetup.cmake)
 include(${MYX_CMAKE_LIB_DIR}/Qt5TargetSetup.cmake)
 
 include(${MYX_CMAKE_LIB_DIR}/Uncrustify.cmake)
+include(${MYX_CMAKE_LIB_DIR}/doc/Doxygen.cmake)
 
 include(${MYX_CMAKE_LIB_DIR}/generators/GitInfoHeader.cmake)
 include(${MYX_CMAKE_LIB_DIR}/generators/PrivateConfigHeader.cmake)
diff --git a/lib/doc/Doxyfile.in b/lib/doc/Doxyfile.in
new file mode 100644
index 0000000..c8923f8
--- /dev/null
+++ b/lib/doc/Doxyfile.in
@@ -0,0 +1,31 @@
+PROJECT_NAME           = @DOXYGEN_PROJECT_TITLE@
+OUTPUT_DIRECTORY       = @DOXYGEN_OUTPUT_DIRECTORY@
+OUTPUT_LANGUAGE        = @ARG_LANGUAGE@
+STRIP_FROM_PATH        = @PROJECT_SOURCE_DIR@
+STRIP_FROM_INC_PATH    = @PROJECT_SOURCE_DIR@
+
+EXTRACT_ALL            = YES
+EXTRACT_PRIVATE        = YES
+EXTRACT_STATIC         = YES
+EXTRACT_LOCAL_METHODS  = YES
+
+INPUT                  = "@PROJECT_SOURCE_DIR@/doc/doxygen" "@PROJECT_SOURCE_DIR@/include" "@PROJECT_SOURCE_DIR@/src"
+RECURSIVE              = YES
+
+CLANG_ASSISTED_PARSING = YES
+CLANG_DATABASE_PATH    = @CMAKE_BINARY_DIR@
+
+GENERATE_HTML          = @ARG_HTML@
+GENERATE_TREEVIEW      = YES
+
+GENERATE_LATEX         = @ARG_LATEX@
+LATEX_CMD_NAME         = xelatex
+COMPACT_LATEX          = YES
+
+GENERATE_XML           = @ARG_XML@
+
+UML_LOOK               = YES
+TEMPLATE_RELATIONS     = YES
+CALL_GRAPH             = YES
+CALLER_GRAPH           = YES
+INTERACTIVE_SVG        = YES
diff --git a/lib/doc/Doxygen.cmake b/lib/doc/Doxygen.cmake
new file mode 100644
index 0000000..794335e
--- /dev/null
+++ b/lib/doc/Doxygen.cmake
@@ -0,0 +1,71 @@
+include_guard(GLOBAL)
+
+# Переменная `CMAKE_CURRENT_FUNCTION_LIST_DIR` позволяет определить
+# каталог файла.
+if(${CMAKE_VERSION} VERSION_LESS "3.17.0")
+  set(CMAKE_CURRENT_FUNCTION_LIST_DIR ${CMAKE_CURRENT_LIST_DIR})
+endif()
+
+function(myx_doc_doxygen NAME)
+  find_package(Doxygen)
+  if(DOXYGEN_FOUND)
+    set(DOXYGEN_FOUND ON CACHE STRING "Doxygen documentation generator enabled" FORCE)
+    set(DOXYGEN_EXECUTABLE "${DOXYGEN_EXECUTABLE}" CACHE STRING "Path to Doxygen executable")
+  else()
+    set(DOXYGEN_FOUND OFF CACHE STRING "Doxygen documentation generator disabled" FORCE)
+  endif()
+
+  set(target "myx-doc-doxygen-${NAME}")
+  if(NOT DOXYGEN_FOUND)
+    add_custom_target(${target} VERBATIM COMMENT "Doxygen is not found. Skipping target ${target} build")
+    return()
+  endif()
+
+  if(TARGET ${target})
+    myx_message_warning("Target ${target} already defined")
+    return()
+  endif()
+
+  set(options)
+  set(oneValueArgs HTML LATEX XML LANGUAGE DOXYFILE_TEMPLATE)
+  set(multiValueArgs)
+
+  cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+  if(NOT ARG_HTML)
+    set(ARG_HTML NO)
+  endif()
+  if(NOT ARG_LATEX)
+    set(ARG_LATEX NO)
+  endif()
+  if(NOT ARG_XML)
+    set(ARG_XML YES)
+  endif()
+  if(NOT ARG_LANGUAGE)
+    set(ARG_LANGUAGE "Russian")
+  endif()
+  if(NOT ARG_DOXYFILE_TEMPLATE OR NOT EXISTS "${ARG_DOXYFILE_TEMPLATE}")
+    set(ARG_DOXYFILE_TEMPLATE "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/Doxyfile.in")
+  endif()
+  if(NOT DOXYGEN_PROJECT_NAME)
+    set(DOXYGEN_PROJECT_NAME ${PROJECT_NAME})
+  endif()
+
+  set(work_dir ${PROJECT_BINARY_DIR}/doc/doxygen)
+  configure_file(${ARG_DOXYFILE_TEMPLATE} ${work_dir}/Doxyfile @ONLY)
+
+  add_custom_target(${target}
+    VERBATIM
+    WORKING_DIRECTORY ${work_dir}
+    COMMAND ${DOXYGEN_EXECUTABLE} ${work_dir}/Doxyfile
+    COMMENT "Generating API documentation with Doxygen")
+  if(ARG_HTML)
+    install(DIRECTORY ${CMAKE_BINARY_DIR}/doc/doxygen/html/
+            COMPONENT doc OPTIONAL
+            DESTINATION ${CMAKE_INSTALL_DATADIR}/doc/doxygen)
+  endif()
+  if(NOT TARGET myx-doc-doxygen)
+    add_custom_target(myx-doc-doxygen)
+  endif()
+  add_dependencies(myx-doc-doxygen ${target})
+endfunction()