chore: version is 0.0.1

This PR sets the version for the initial 0.0.1 MrDocs release. To ensure the versions in header files are always consistent, version details like major, minor, patch, and build are dynamically populated during the build process from variables defined in the CMakeLists.txt file.

Adjustments have been made to include paths to ensure the new dynamically generated Version.hpp file is correctly included during the building process and installed with other header files.

CMakeLists.txt

@@ -24,7 +24,7 @@ endif()
 cmake_policy(SET CMP0111 OLD)
 project(
     MrDocs
-    VERSION 1.0.0
+    VERSION 0.0.1
     DESCRIPTION "C++ Documentation Tool"
     HOMEPAGE_URL "https://github.com/cppalliance/mrdocs"
     LANGUAGES CXX C
@@ -115,19 +115,39 @@ unset(CMAKE_FOLDER)
 # mrdocs-core
 #
 #-------------------------------------------------
+# Create include/mrdocs/Version.hpp from Version.hpp.in
+find_package(Git QUIET)
+if (GIT_FOUND)
+    execute_process(
+            COMMAND ${GIT_EXECUTABLE} rev-parse HEAD
+            WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+            OUTPUT_VARIABLE PROJECT_VERSION_BUILD
+            OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    set(PROJECT_VERSION_BUILD "${PROJECT_VERSION_BUILD}")
+else()
+    set(PROJECT_VERSION_BUILD "")
+endif()
+configure_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/include/mrdocs/Version.hpp.in
+    ${CMAKE_CURRENT_BINARY_DIR}/include/mrdocs/Version.hpp
+    @ONLY
+)
 
 file(
     GLOB_RECURSE LIB_SOURCES  CONFIGURE_DEPENDS
         src/lib/*.cpp src/lib/*.hpp src/lib/*.ipp
         src/lib/*.natvis
         include/*.hpp include/*.ipp
+        ${CMAKE_CURRENT_BINARY_DIR}/src/lib/*.hpp
         include/*.natvis
         SourceFileNames.cpp)
 add_library(mrdocs-core ${LIB_SOURCES})
 target_compile_features(mrdocs-core PUBLIC cxx_std_20)
 target_include_directories(mrdocs-core
     PUBLIC
     "$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include/>"
+    "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/>"
     "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
     PRIVATE
     "${PROJECT_SOURCE_DIR}/src"
@@ -407,6 +427,12 @@ if (MRDOCS_INSTALL)
             FILES_MATCHING
             PATTERN "*.[hi]pp")
 
+    install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/mrdocs
+            DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+            COMPONENT development
+            FILES_MATCHING
+            PATTERN "*.[hi]pp")
+
     #-------------------------------------------------
     # share
     #-------------------------------------------------

include/mrdocs/Version.hpp.in

@@ -0,0 +1,30 @@
+//
+// Licensed under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+// Copyright (c) 2023 Klemens D. Morgenstern
+//
+// Official repository: https://github.com/cppalliance/mrdocs
+//
+
+#ifndef MRDOCS_VERSION_HPP
+#define MRDOCS_VERSION_HPP
+
+#include <string_view>
+
+namespace clang {
+namespace mrdocs {
+
+constexpr std::string_view project_version        = "@PROJECT_VERSION@";
+constexpr std::size_t project_version_major       = @PROJECT_VERSION_MAJOR@;
+constexpr std::size_t project_version_minor       = @PROJECT_VERSION_MINOR@;
+constexpr std::size_t project_version_patch       = @PROJECT_VERSION_PATCH@;
+constexpr std::string_view project_version_build  = "@PROJECT_VERSION_BUILD@";
+constexpr std::string_view project_name           = "@PROJECT_NAME@";
+constexpr std::string_view project_description    = "@PROJECT_DESCRIPTION@";
+
+} // mrdocs
+} // clang
+
+#endif