Add support for qtquick_compiler_add_resources with cmake builds

Change-Id: I2addc2442c51bde6a854e5e9bbb79032e1c9f9bf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

2 files changed, 78 insertions, 0 deletions

diff --git a/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake b/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake
new file mode 100644
index 0000000000..6fe1662995
--- /dev/null
+++ b/tools/qmlcachegen/Qt5QuickCompilerConfig.cmake
@@ -0,0 +1,73 @@
+include(CMakeParseArguments)
+
+function(QTQUICK_COMPILER_DETERMINE_OUTPUT_FILENAME outvariable filename)
+    file(RELATIVE_PATH relpath ${CMAKE_CURRENT_SOURCE_DIR} ${filename})
+    string(REPLACE ".qml" "_qml" relpath ${relpath})
+    string(REPLACE ".js" "_js" relpath ${relpath})
+    string(REPLACE "/" "_" relpath ${relpath})
+    set(${outvariable} ${CMAKE_CURRENT_BINARY_DIR}/${relpath}.cpp PARENT_SCOPE)
+endfunction()
+
+function(QTQUICK_COMPILER_ADD_RESOURCES outfiles)
+    set(options)
+    set(oneValueArgs)
+    set(multiValueArgs OPTIONS)
+
+    cmake_parse_arguments(_RCC "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+
+    find_package(Qt5 COMPONENTS Qml Core)
+
+    set(compiler_path "${_qt5Core_install_prefix}/bin/qmlcachegen")
+
+    get_target_property(rcc_path ${Qt5Core_RCC_EXECUTABLE} IMPORTED_LOCATION)
+
+    set(rcc_files ${_RCC_UNPARSED_ARGUMENTS})
+    set(rcc_options ${_RCC_OPTIONS})
+    set(filtered_rcc_files)
+    set(compiler_output)
+    set(rcc_files_with_compilation_units)
+    set(loader_flags)
+
+    foreach(_resource ${rcc_files})
+        get_filename_component(resource_base ${_resource} NAME_WE)
+        set(new_resource_file ${CMAKE_CURRENT_BINARY_DIR}/${resource_base}_qmlcache.qrc)
+
+        get_filename_component(input_resource ${_resource} ABSOLUTE)
+
+        execute_process(COMMAND ${compiler_path} -filter-resource-file ${input_resource} -o ${new_resource_file} OUTPUT_VARIABLE remaining_files)
+        if(remaining_files)
+            list(APPEND filtered_rcc_files ${new_resource_file})
+            list(APPEND loader_flags "--resource-file-mapping=${_resource}=${new_resource_file}")
+        else()
+            list(APPEND loader_flags "--resource-file-mapping=${_resource}")
+        endif()
+
+        set(rcc_file_with_compilation_units)
+
+        exec_program(${rcc_path} ARGS -list ${input_resource} OUTPUT_VARIABLE rcc_contents)
+        string(REGEX REPLACE "[\r\n]+" ";" rcc_contents ${rcc_contents})
+        foreach(it ${rcc_contents})
+            get_filename_component(extension ${it} EXT)
+            if("x${extension}" STREQUAL "x.qml" OR "x${extension}" STREQUAL "x.js" OR "x${extension}" STREQUAL "x.ui.qml")
+                qtquick_compiler_determine_output_filename(output_file ${it})
+                add_custom_command(OUTPUT ${output_file} COMMAND ${compiler_path} ARGS --resource=${input_resource} ${it} -o ${output_file} DEPENDS ${it})
+                list(APPEND compiler_output ${output_file})
+                set(rcc_file_with_compilation_units ${input_resource})
+            endif()
+        endforeach()
+
+        if(rcc_file_with_compilation_units)
+            list(APPEND rcc_files_with_compilation_units ${rcc_file_with_compilation_units})
+        endif()
+    endforeach()
+
+    if(rcc_files_with_compilation_units)
+        set(loader_source ${CMAKE_CURRENT_BINARY_DIR}/qmlcache_loader.cpp)
+        add_custom_command(OUTPUT ${loader_source} COMMAND ${compiler_path} ARGS ${loader_flags} ${rcc_files_with_compilation_units} -o ${loader_source} DEPENDS ${rcc_files_with_compilation_units})
+        list(APPEND compiler_output ${loader_source})
+    endif()
+
+    qt5_add_resources(output_resources ${filtered_rcc_files} OPTIONS ${options})
+    set(${outfiles} ${output_resources} ${compiler_output} PARENT_SCOPE)
+endfunction()
+
diff --git a/tools/qmlcachegen/qmlcachegen.pro b/tools/qmlcachegen/qmlcachegen.pro
index 1b76833b5a..391f0c3889 100644
--- a/tools/qmlcachegen/qmlcachegen.pro
+++ b/tools/qmlcachegen/qmlcachegen.pro
@@ -14,6 +14,11 @@ build_integration.path = $$[QT_HOST_DATA]/mkspecs/features
 prefix_build: INSTALLS += build_integration
 else: COPIES += build_integration
 
+cmake_build_integration.files = Qt5QuickCompilerConfig.cmake
+cmake_build_integration.path = $$[QT_INSTALL_LIBS]/cmake/Qt5QuickCompiler
+prefix_build: INSTALLS += cmake_build_integration
+else: COPIES += cmake_build_integration
+
 QMAKE_TARGET_DESCRIPTION = QML Cache Generator
 
 load(qt_tool)