Adding support to read an "external_subdirectories" key from the
project.json when building a project. This allows the project to build additional gems via adding the external subdirectory in the project.json file manually or using the `o3de.py register --external-subdirectory-path=<path> --external_subdirectory-project-path-<project-path>` commandmain
lumberyard-employee-dm
5 years ago
parent
84a3a3d40a
commit
d2a15de668
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#
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# All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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# its licensors.
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#
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# For complete copyright and license terms please see the LICENSE at the root of this
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# distribution (the "License"). All use of this software is governed by the License,
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# or, if provided, by the license below or the license accompanying this file. Do not
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# remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#
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include_guard()
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set(LY_EXTERNAL_SUBDIRS "" CACHE STRING "List of subdirectories to recurse into when running cmake against the engine's CMakeLists.txt")
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#! read_json_external_subdirs
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# Read the "external_subdirectories" array from a *.json file
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# External subdirectories are any folders with CMakeLists.txt in them
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# This could be regular subdirectories, Gems(contains an additional gem.json),
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# Restricted folders(contains an additional restricted.json), etc...
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#
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# \arg:output_external_subdirs name of output variable to store external subdirectories into
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# \arg:input_json_path path to the *.json file to load and read the external subdirectories from
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# \return: external subdirectories as is from the json file.
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function(read_json_external_subdirs output_external_subdirs input_json_path)
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file(READ ${input_json_path} manifest_json_data)
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string(JSON external_subdirs_count ERROR_VARIABLE manifest_json_error
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LENGTH ${manifest_json_data} "external_subdirectories")
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if(manifest_json_error)
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# There is "external_subdirectories" key, so theire are no subdirectories to read
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return()
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endif()
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if(external_subdirs_count GREATER 0)
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math(EXPR external_subdir_range "${external_subdirs_count}-1")
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foreach(external_subdir_index RANGE ${external_subdir_range})
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string(JSON external_subdir ERROR_VARIABLE manifest_json_error
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GET ${manifest_json_data} "external_subdirectories" "${external_subdir_index}")
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if(manifest_json_error)
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message(FATAL_ERROR "Error reading field at index ${external_subdir_index} in \"external_subdirectories\" JSON array: ${manifest_json_error}")
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endif()
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list(APPEND external_subdirs ${external_subdir})
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endforeach()
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endif()
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set(${output_external_subdirs} ${external_subdirs} PARENT_SCOPE)
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endfunction()
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function(o3de_read_json_key output_value input_json_path key)
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file(READ ${input_json_path} manifest_json_data)
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string(JSON value ERROR_VARIABLE manifest_json_error GET ${manifest_json_data} ${key})
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if(manifest_json_error)
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message(FATAL_ERROR "Error reading field at key ${key} in file \"${input_json_path}\" : ${manifest_json_error}")
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endif()
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set(${output_value} ${value} PARENT_SCOPE)
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endfunction()
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