cmake: Support COUNT argument in openomf_string

Author: Nopey

cmake-scripts/BuildLanguages.cmake

@@ -16,25 +16,37 @@ macro(from_base enum_name description idx)
 
         set(LANG_ENUM "${LANG_ENUM}\n    // ${description}\n    ${enum_name} = ${Lang_Count},")
         # emit a _LAST, too
-        set(LANG_ENUM "${LANG_ENUM}\n    // Number of ${enum_name} string entries\n    ${enum_name}_LAST = ${range_end},\n")
+        set(LANG_ENUM "${LANG_ENUM}\n    // Final ${enum_name} string entry\n    ${enum_name}_LAST = ${range_end},\n")
         math(EXPR Lang_Count "${Lang_Count} + ${count}")
     else()
         set(LANG_ENUM "${LANG_ENUM}\n    // ${description}\n    ${enum_name} = ${Lang_Count},\n")
         math(EXPR Lang_Count "${Lang_Count} + 1")
     endif()
 endmacro()
 macro(openomf_string enum_name description)
-    # TODO parse "COUNT 5" from argn
-    set(LANG_ENUM "${LANG_ENUM}\n    // ${description}\n    ${enum_name} = ${Lang_Count},")
-    math(EXPR Lang_Count "${Lang_Count} + 1")
+    set(options)
+    set(oneValueArgs COUNT)
+    set(multiValueArgs)
+    cmake_parse_arguments(arg
+        "${options}" "${oneValueArgs}" "${multiValueArgs}"
+        ${ARGN}
+    )
+    set(LANG_ENUM "${LANG_ENUM}\n    // ${description}\n    ${enum_name} = ${Lang_Count},\n")
+    if("${arg_COUNT}" STREQUAL "")
+        math(EXPR Lang_Count "${Lang_Count} + 1")
+    else()
+        math(EXPR "${enum_name}_LAST" "${Lang_Count} + ${arg_COUNT} - 1")
+        set(LANG_ENUM "${LANG_ENUM}    // Final ${enum_name} string entry\n    ${enum_name}_LAST = ${${enum_name}_LAST},\n")
+        math(EXPR Lang_Count "${Lang_Count} + ${arg_COUNT}")
+    endif()
 endmacro()
 
 set(Lang_Count 0)
 set(LANG_ENUM "")
 set(BASETXT_CONTENTS "# Generated by BuildLanguages.cmake")
 include("cmake-scripts/LanguageStrings.cmake")
 base_strings()
-set(LANG_ENUM "${LANG_ENUM}\n\n    // OpenOMF-specific strings start here\n")
+set(LANG_ENUM "${LANG_ENUM}\n    // OpenOMF-specific strings start here\n")
 openomf_strings()
 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/src/resources/generated_languages.h.in" "${CMAKE_CURRENT_BINARY_DIR}/src/resources/generated_languages.h")