The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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78 lines
2.1 KiB
78 lines
2.1 KiB
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def _lower_underscore_to_upper_camel(str): |
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humps = [] |
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for hump in str.split('_'): |
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humps += [hump[0].upper() + hump[1:]] |
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return "".join(humps) |
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def _file_to_upper_camel(src): |
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elements = src.rpartition('/') |
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upper_camel = _lower_underscore_to_upper_camel(elements[-1]) |
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return "".join(elements[:-1] + [upper_camel]) |
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def _file_with_extension(src, ext): |
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elements = src.rpartition('/') |
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basename = elements[-1].partition('.')[0] |
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return "".join(elements[:-1] + [basename, ext]) |
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def _protoc_invocation(srcs, flags): |
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protoc_command = "protoc -I . " |
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srcs_params = "" |
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for src in srcs: |
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srcs_params += " $(location %s)" % (src) |
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return protoc_command + flags + srcs_params |
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def objc_proto_library(name, srcs, visibility=None): |
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h_files = [] |
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m_files = [] |
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for src in srcs: |
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src = _file_to_upper_camel(src) |
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h_files += [_file_with_extension(src, ".pbobjc.h")] |
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m_files += [_file_with_extension(src, ".pbobjc.m")] |
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protoc_flags = "--objc_out=$(GENDIR)" |
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native.genrule( |
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name = name + "_codegen", |
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srcs = srcs, |
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outs = h_files + m_files, |
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cmd = _protoc_invocation(srcs, protoc_flags), |
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) |
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native.objc_library( |
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name = name, |
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hdrs = h_files, |
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includes = ["."], |
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non_arc_srcs = m_files, |
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deps = ["//external:protobuf_objc"], |
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visibility = visibility, |
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) |
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def objc_grpc_library(name, services, other_messages, visibility=None): |
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objc_proto_library(name + "_messages", services + other_messages) |
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h_files = [] |
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m_files = [] |
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for src in services: |
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src = _file_to_upper_camel(src) |
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h_files += [_file_with_extension(src, ".pbrpc.h")] |
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m_files += [_file_with_extension(src, ".pbrpc.m")] |
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protoc_flags = "--grpc_out=$(GENDIR) --plugin=protoc-gen-grpc=$(location //external:grpc_protoc_plugin_objc)" |
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native.genrule( |
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name = name + "_codegen", |
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srcs = services + ["//external:grpc_protoc_plugin_objc"], |
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outs = h_files + m_files, |
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cmd = _protoc_invocation(services, protoc_flags), |
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) |
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native.objc_library( |
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name = name, |
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hdrs = h_files, |
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includes = ["."], |
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srcs = m_files, |
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deps = [ |
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":" + name + "_messages", |
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"//external:proto_objc_rpc", |
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], |
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visibility = visibility, |
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)
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