From 4a3c96b1f355902a706a663e984193d7211d2c79 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Thu, 3 Jun 2021 14:59:40 +0200
Subject: tde_add_project_docs: Add common rules for generating and installing
 project documentation.
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Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
---
 modules/TDEMacros.cmake | 87 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/modules/TDEMacros.cmake b/modules/TDEMacros.cmake
index 0318890..faf4170 100644
--- a/modules/TDEMacros.cmake
+++ b/modules/TDEMacros.cmake
@@ -2072,6 +2072,93 @@ macro( tde_create_translated_desktop )
 endmacro( )
 
 
+#################################################
+#####
+##### tde_add_project_docs
+#####
+##### Macro for standard processing and installation of documentation and man pages.
+##### This is designed for ordinary modules - as an applications, not for core modules.
+
+function( tde_add_project_docs )
+
+  file( GLOB_RECURSE _doc_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} * )
+  foreach( _doc_file IN LISTS _doc_files )
+    get_filename_component( _dir ${_doc_file} PATH )
+    list( APPEND _dirs ${_dir} )
+  endforeach()
+  if( _dirs )
+    list( SORT _dirs )
+    list( REMOVE_DUPLICATES _dirs )
+  endif()
+
+  string( REGEX REPLACE "[ \r\n\t]+" ";" _linguas "$ENV{LINGUAS}" )
+
+  unset( _skip_subdir )
+  foreach( _dir IN LISTS _dirs )
+    string( REGEX REPLACE "/.*" "" _lang ${_dir} )
+    if( NOT ${_lang} MATCHES "^(html|man|misc)$"
+        AND ( NOT DEFINED _skip_subdir OR
+              NOT ${_dir} MATCHES "^${_skip_subdir}/" )
+        AND ( ${_lang} STREQUAL "en" OR
+              "${_linguas}" MATCHES "^;*$" OR
+              ";${_linguas};" MATCHES ";${_lang};" ))
+      if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/CMakeLists.txt )
+        set( _skip_subdir ${_dir} )
+        add_subdirectory( ${_dir} )
+      else()
+        unset( _skip_subdir )
+        if( ${_dir} MATCHES "/[^/]*/" )
+          string( REGEX REPLACE "^[^/]*/(.*)" "\\1" _doc_dest "${_dir}" )
+        else()
+          string( REGEX REPLACE "^[^/]*/(.*)" "\\1" _doc_dest "${_dir}/${PROJECT_NAME}" )
+        endif()
+        file( GLOB _doc_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR}/${_dir} ${_dir}/*.docbook )
+        if( _doc_files )
+          list( FIND _doc_files "index.docbook" _find_index )
+          if( -1 EQUAL _find_index )
+            set( _noindex "NOINDEX" )
+          else()
+            unset( _noindex )
+          endif()
+          tde_create_handbook(
+            SOURCE_BASEDIR ${_dir}
+            ${_noindex}
+            LANG ${_lang}
+            DESTINATION ${_doc_dest}
+          )
+        endif()
+      endif()
+    endif()
+  endforeach()
+
+  if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/man AND
+      NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/man/CMakeLists.txt )
+    file( GLOB_RECURSE _man_files RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} man/* )
+    foreach( _man_file IN LISTS _man_files )
+      if( ${_man_file} MATCHES "\\.[0-9]$" )
+        string( REGEX REPLACE ".*\\.([0-9])$" "\\1" _man_section "${_man_file}" )
+        list( APPEND _man_files_${_man_section} "${_man_file}" )
+        list( APPEND _man_sections "${_man_section}" )
+      endif()
+    endforeach()
+    foreach( _man_section IN LISTS _man_sections )
+      INSTALL(
+          FILES ${_man_files_${_man_section}}
+          DESTINATION ${MAN_INSTALL_DIR}/man${_man_section}
+          COMPONENT doc
+      )
+    endforeach()
+  endif()
+
+  foreach( _dir html man misc )
+    if( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${_dir}/CMakeLists.txt )
+      add_subdirectory( ${_dir} )
+    endif()
+  endforeach()
+
+endfunction( )
+
+
 #################################################
 #####
 ##### tde_create_handbook
-- 
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