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‎windows/CMakeLists.txt‎

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# Project-level configuration.
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cmake_minimum_required(VERSION 3.14)
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project(dog_classifier LANGUAGES CXX)
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# The name of the executable created for the application. Change this to change
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# the on-disk name of your application.
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set(BINARY_NAME "dog_classifier")
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# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
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# versions of CMake.
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cmake_policy(VERSION 3.14...3.25)
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# Define build configuration option.
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get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if(IS_MULTICONFIG)
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set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
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CACHE STRING "" FORCE)
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else()
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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set(CMAKE_BUILD_TYPE "Debug" CACHE
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STRING "Flutter build mode" FORCE)
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
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"Debug" "Profile" "Release")
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endif()
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endif()
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# Define settings for the Profile build mode.
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set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
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set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
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set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
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set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
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# Use Unicode for all projects.
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add_definitions(-DUNICODE -D_UNICODE)
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# Compilation settings that should be applied to most targets.
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#
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# Be cautious about adding new options here, as plugins use this function by
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# default. In most cases, you should add new options to specific targets instead
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# of modifying this function.
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function(APPLY_STANDARD_SETTINGS TARGET)
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target_compile_features(${TARGET} PUBLIC cxx_std_17)
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target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
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target_compile_options(${TARGET} PRIVATE /EHsc)
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target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
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target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
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endfunction()
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# Flutter library and tool build rules.
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set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
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add_subdirectory(${FLUTTER_MANAGED_DIR})
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# Application build; see runner/CMakeLists.txt.
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add_subdirectory("runner")
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# Generated plugin build rules, which manage building the plugins and adding
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# them to the application.
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include(flutter/generated_plugins.cmake)
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# === Installation ===
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# Support files are copied into place next to the executable, so that it can
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# run in place. This is done instead of making a separate bundle (as on Linux)
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# so that building and running from within Visual Studio will work.
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set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
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# Make the "install" step default, as it's required to run.
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set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
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if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
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set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
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endif()
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set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
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set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
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install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
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COMPONENT Runtime)
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install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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if(PLUGIN_BUNDLED_LIBRARIES)
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install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
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DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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endif()
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# Copy the native assets provided by the build.dart from all packages.
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set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
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install(DIRECTORY "${NATIVE_ASSETS_DIR}"
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DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
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COMPONENT Runtime)
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# Fully re-copy the assets directory on each build to avoid having stale files
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# from a previous install.
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set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
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install(CODE "
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file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
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" COMPONENT Runtime)
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install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
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DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
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# Install the AOT library on non-Debug builds only.
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install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
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CONFIGURATIONS Profile;Release
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COMPONENT Runtime)

‎windows/flutter/CMakeLists.txt‎

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# This file controls Flutter-level build steps. It should not be edited.
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cmake_minimum_required(VERSION 3.14)
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set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
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# Configuration provided via flutter tool.
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include(${EPHEMERAL_DIR}/generated_config.cmake)
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# TODO: Move the rest of this into files in ephemeral. See
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# https://github.com/flutter/flutter/issues/57146.
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set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
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# Set fallback configurations for older versions of the flutter tool.
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if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
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set(FLUTTER_TARGET_PLATFORM "windows-x64")
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endif()
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# === Flutter Library ===
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set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
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# Published to parent scope for install step.
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set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
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set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
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set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
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set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
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list(APPEND FLUTTER_LIBRARY_HEADERS
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"flutter_export.h"
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"flutter_windows.h"
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"flutter_messenger.h"
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"flutter_plugin_registrar.h"
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"flutter_texture_registrar.h"
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)
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list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
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add_library(flutter INTERFACE)
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target_include_directories(flutter INTERFACE
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"${EPHEMERAL_DIR}"
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)
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target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
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add_dependencies(flutter flutter_assemble)
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# === Wrapper ===
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list(APPEND CPP_WRAPPER_SOURCES_CORE
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"core_implementations.cc"
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"standard_codec.cc"
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)
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list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
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list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
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"plugin_registrar.cc"
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)
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list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
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list(APPEND CPP_WRAPPER_SOURCES_APP
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"flutter_engine.cc"
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"flutter_view_controller.cc"
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)
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list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
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# Wrapper sources needed for a plugin.
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add_library(flutter_wrapper_plugin STATIC
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_PLUGIN}
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)
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apply_standard_settings(flutter_wrapper_plugin)
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set_target_properties(flutter_wrapper_plugin PROPERTIES
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POSITION_INDEPENDENT_CODE ON)
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set_target_properties(flutter_wrapper_plugin PROPERTIES
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CXX_VISIBILITY_PRESET hidden)
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target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
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target_include_directories(flutter_wrapper_plugin PUBLIC
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"${WRAPPER_ROOT}/include"
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)
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add_dependencies(flutter_wrapper_plugin flutter_assemble)
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# Wrapper sources needed for the runner.
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add_library(flutter_wrapper_app STATIC
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_APP}
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)
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apply_standard_settings(flutter_wrapper_app)
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target_link_libraries(flutter_wrapper_app PUBLIC flutter)
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target_include_directories(flutter_wrapper_app PUBLIC
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"${WRAPPER_ROOT}/include"
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)
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add_dependencies(flutter_wrapper_app flutter_assemble)
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# === Flutter tool backend ===
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# _phony_ is a non-existent file to force this command to run every time,
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# since currently there's no way to get a full input/output list from the
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# flutter tool.
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set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
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set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
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add_custom_command(
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OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
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${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
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${CPP_WRAPPER_SOURCES_APP}
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${PHONY_OUTPUT}
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COMMAND ${CMAKE_COMMAND} -E env
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${FLUTTER_TOOL_ENVIRONMENT}
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"${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
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${FLUTTER_TARGET_PLATFORM} $<CONFIG>
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VERBATIM
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)
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add_custom_target(flutter_assemble DEPENDS
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"${FLUTTER_LIBRARY}"
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${FLUTTER_LIBRARY_HEADERS}
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${CPP_WRAPPER_SOURCES_CORE}
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${CPP_WRAPPER_SOURCES_PLUGIN}
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${CPP_WRAPPER_SOURCES_APP}
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)

‎windows/flutter/ephemeral/cpp_client_wrapper/binary_messenger_impl.h‎

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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BINARY_MESSENGER_IMPL_H_
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#define FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BINARY_MESSENGER_IMPL_H_
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#include <flutter_messenger.h>
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#include <map>
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#include <string>
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#include "include/flutter/binary_messenger.h"
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namespace flutter {
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// Wrapper around a FlutterDesktopMessengerRef that implements the
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// BinaryMessenger API.
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class BinaryMessengerImpl : public BinaryMessenger {
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public:
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explicit BinaryMessengerImpl(FlutterDesktopMessengerRef core_messenger);
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virtual ~BinaryMessengerImpl();
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// Prevent copying.
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BinaryMessengerImpl(BinaryMessengerImpl const&) = delete;
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BinaryMessengerImpl& operator=(BinaryMessengerImpl const&) = delete;
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// |flutter::BinaryMessenger|
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void Send(const std::string& channel,
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const uint8_t* message,
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size_t message_size,
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BinaryReply reply) const override;
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// |flutter::BinaryMessenger|
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void SetMessageHandler(const std::string& channel,
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BinaryMessageHandler handler) override;
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private:
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// Handle for interacting with the C API.
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FlutterDesktopMessengerRef messenger_;
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// A map from channel names to the BinaryMessageHandler that should be called
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// for incoming messages on that channel.
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std::map<std::string, BinaryMessageHandler> handlers_;
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BINARY_MESSENGER_IMPL_H_

‎windows/flutter/ephemeral/cpp_client_wrapper/byte_buffer_streams.h‎

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// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BYTE_BUFFER_STREAMS_H_
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#define FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BYTE_BUFFER_STREAMS_H_
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#include <cassert>
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#include <cstdint>
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#include <cstring>
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#include <iostream>
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#include <vector>
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#include "include/flutter/byte_streams.h"
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namespace flutter {
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// Implementation of ByteStreamReader base on a byte array.
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class ByteBufferStreamReader : public ByteStreamReader {
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public:
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// Createa a reader reading from |bytes|, which must have a length of |size|.
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// |bytes| must remain valid for the lifetime of this object.
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explicit ByteBufferStreamReader(const uint8_t* bytes, size_t size)
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: bytes_(bytes), size_(size) {}
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virtual ~ByteBufferStreamReader() = default;
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// |ByteStreamReader|
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uint8_t ReadByte() override {
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if (location_ >= size_) {
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std::cerr << "Invalid read in StandardCodecByteStreamReader" << std::endl;
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return 0;
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}
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return bytes_[location_++];
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}
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// |ByteStreamReader|
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void ReadBytes(uint8_t* buffer, size_t length) override {
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if (location_ + length > size_) {
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std::cerr << "Invalid read in StandardCodecByteStreamReader" << std::endl;
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return;
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}
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std::memcpy(buffer, &bytes_[location_], length);
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location_ += length;
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}
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// |ByteStreamReader|
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void ReadAlignment(uint8_t alignment) override {
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uint8_t mod = location_ % alignment;
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if (mod) {
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location_ += alignment - mod;
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}
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}
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private:
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// The buffer to read from.
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const uint8_t* bytes_;
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// The total size of the buffer.
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size_t size_;
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// The current read location.
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size_t location_ = 0;
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};
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// Implementation of ByteStreamWriter based on a byte array.
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class ByteBufferStreamWriter : public ByteStreamWriter {
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public:
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// Creates a writer that writes into |buffer|.
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// |buffer| must remain valid for the lifetime of this object.
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explicit ByteBufferStreamWriter(std::vector<uint8_t>* buffer)
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: bytes_(buffer) {
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assert(buffer);
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}
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virtual ~ByteBufferStreamWriter() = default;
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// |ByteStreamWriter|
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void WriteByte(uint8_t byte) { bytes_->push_back(byte); }
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// |ByteStreamWriter|
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void WriteBytes(const uint8_t* bytes, size_t length) {
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assert(length > 0);
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bytes_->insert(bytes_->end(), bytes, bytes + length);
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}
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// |ByteStreamWriter|
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void WriteAlignment(uint8_t alignment) {
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uint8_t mod = bytes_->size() % alignment;
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if (mod) {
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for (int i = 0; i < alignment - mod; ++i) {
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WriteByte(0);
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}
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}
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}
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private:
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// The buffer to write to.
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std::vector<uint8_t>* bytes_;
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};
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} // namespace flutter
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#endif // FLUTTER_SHELL_PLATFORM_COMMON_CLIENT_WRAPPER_BYTE_BUFFER_STREAMS_H_

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