Index: third_party/protobuf/src/google/protobuf/util/internal/snake2camel_objectwriter.h |
diff --git a/third_party/protobuf/src/google/protobuf/util/internal/snake2camel_objectwriter.h b/third_party/protobuf/src/google/protobuf/util/internal/snake2camel_objectwriter.h |
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index 0000000000000000000000000000000000000000..1a32bc56243681fbde613782b008c3abe5f1affa |
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+++ b/third_party/protobuf/src/google/protobuf/util/internal/snake2camel_objectwriter.h |
@@ -0,0 +1,187 @@ |
+// Protocol Buffers - Google's data interchange format |
+// Copyright 2008 Google Inc. All rights reserved. |
+// https://developers.google.com/protocol-buffers/ |
+// |
+// Redistribution and use in source and binary forms, with or without |
+// modification, are permitted provided that the following conditions are |
+// met: |
+// |
+// * Redistributions of source code must retain the above copyright |
+// notice, this list of conditions and the following disclaimer. |
+// * Redistributions in binary form must reproduce the above |
+// copyright notice, this list of conditions and the following disclaimer |
+// in the documentation and/or other materials provided with the |
+// distribution. |
+// * Neither the name of Google Inc. nor the names of its |
+// contributors may be used to endorse or promote products derived from |
+// this software without specific prior written permission. |
+// |
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ |
+#ifndef GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__ |
+#define GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__ |
+ |
+#include <string> |
+ |
+#include <google/protobuf/stubs/common.h> |
+#include <google/protobuf/stubs/strutil.h> |
+#include <google/protobuf/stubs/stringpiece.h> |
+#include <google/protobuf/util/internal/object_writer.h> |
+#include <google/protobuf/util/internal/utility.h> |
+ |
+namespace google { |
+namespace protobuf { |
+namespace util { |
+namespace converter { |
+ |
+// Snake2CamelObjectWriter is an ObjectWriter than translates each field name |
+// from snake_case to camelCase. Typical usage is: |
+// ProtoStreamObjectSource psos(...); |
+// JsonObjectWriter jow(...); |
+// Snake2CamelObjectWriter snake_to_camel(&jow); |
+// psos.writeTo(&snake_to_camel); |
+class Snake2CamelObjectWriter : public ObjectWriter { |
+ public: |
+ explicit Snake2CamelObjectWriter(ObjectWriter* ow) |
+ : ow_(ow), normalize_case_(true) {} |
+ virtual ~Snake2CamelObjectWriter() {} |
+ |
+ // ObjectWriter methods. |
+ virtual Snake2CamelObjectWriter* StartObject(StringPiece name) { |
+ ow_->StartObject(ShouldNormalizeCase(name) |
+ ? StringPiece(StringPiece(ToCamelCase(name))) |
+ : name); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* EndObject() { |
+ ow_->EndObject(); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* StartList(StringPiece name) { |
+ ow_->StartList(ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) |
+ : name); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* EndList() { |
+ ow_->EndList(); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderBool(StringPiece name, bool value) { |
+ ow_->RenderBool( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderInt32(StringPiece name, int32 value) { |
+ ow_->RenderInt32( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderUint32(StringPiece name, |
+ uint32 value) { |
+ ow_->RenderUint32( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderInt64(StringPiece name, int64 value) { |
+ ow_->RenderInt64( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderUint64(StringPiece name, |
+ uint64 value) { |
+ ow_->RenderUint64( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderDouble(StringPiece name, |
+ double value) { |
+ ow_->RenderDouble( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderFloat(StringPiece name, float value) { |
+ ow_->RenderFloat( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderString(StringPiece name, |
+ StringPiece value) { |
+ ow_->RenderString( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderBytes(StringPiece name, |
+ StringPiece value) { |
+ ow_->RenderBytes( |
+ ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) : name, |
+ value); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* RenderNull(StringPiece name) { |
+ ow_->RenderNull(ShouldNormalizeCase(name) ? StringPiece(ToCamelCase(name)) |
+ : name); |
+ return this; |
+ } |
+ |
+ virtual Snake2CamelObjectWriter* DisableCaseNormalizationForNextKey() { |
+ normalize_case_ = false; |
+ return this; |
+ } |
+ |
+ private: |
+ ObjectWriter* ow_; |
+ bool normalize_case_; |
+ |
+ bool ShouldNormalizeCase(StringPiece name) { |
+ if (normalize_case_) { |
+ return !IsCamel(name); |
+ } else { |
+ normalize_case_ = true; |
+ return false; |
+ } |
+ } |
+ |
+ bool IsCamel(StringPiece name) { |
+ return name.empty() || (ascii_islower(name[0]) && !name.contains("_")); |
+ } |
+ |
+ GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(Snake2CamelObjectWriter); |
+}; |
+ |
+} // namespace converter |
+} // namespace util |
+} // namespace protobuf |
+ |
+} // namespace google |
+#endif // GOOGLE_PROTOBUF_UTIL_CONVERTER_SNAKE2CAMEL_OBJECTWRITER_H__ |