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// 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. #include <google/protobuf/util/internal/json_objectwriter.h> #include <math.h> #include <google/protobuf/stubs/casts.h> #include <google/protobuf/stubs/logging.h> #include <google/protobuf/stubs/common.h> #include <google/protobuf/util/internal/utility.h> #include <google/protobuf/util/internal/json_escaping.h> #include <google/protobuf/stubs/strutil.h> #include <google/protobuf/stubs/mathlimits.h> namespace google { namespace protobuf { namespace util { namespace converter { using strings::ArrayByteSource; ; JsonObjectWriter::~JsonObjectWriter() { if (!element_->is_root()) { GOOGLE_LOG(WARNING) << "JsonObjectWriter was not fully closed."; } } JsonObjectWriter* JsonObjectWriter::StartObject(StringPiece name) { WritePrefix(name); WriteChar('{'); PushObject(); return this; } JsonObjectWriter* JsonObjectWriter::EndObject() { Pop(); WriteChar('}'); if (element()->is_root()) NewLine(); return this; } JsonObjectWriter* JsonObjectWriter::StartList(StringPiece name) { WritePrefix(name); WriteChar('['); PushArray(); return this; } JsonObjectWriter* JsonObjectWriter::EndList() { Pop(); WriteChar(']'); if (element()->is_root()) NewLine(); return this; } JsonObjectWriter* JsonObjectWriter::RenderBool(StringPiece name, bool value) { return RenderSimple(name, value ? "true" : "false"); } JsonObjectWriter* JsonObjectWriter::RenderInt32(StringPiece name, int32 value) { return RenderSimple(name, SimpleItoa(value)); } JsonObjectWriter* JsonObjectWriter::RenderUint32(StringPiece name, uint32 value) { return RenderSimple(name, SimpleItoa(value)); } JsonObjectWriter* JsonObjectWriter::RenderInt64(StringPiece name, int64 value) { WritePrefix(name); WriteChar('"'); stream_->WriteString(SimpleItoa(value)); WriteChar('"'); return this; } JsonObjectWriter* JsonObjectWriter::RenderUint64(StringPiece name, uint64 value) { WritePrefix(name); WriteChar('"'); stream_->WriteString(SimpleItoa(value)); WriteChar('"'); return this; } JsonObjectWriter* JsonObjectWriter::RenderDouble(StringPiece name, double value) { if (MathLimits<double>::IsFinite(value)) { return RenderSimple(name, SimpleDtoa(value)); } // Render quoted with NaN/Infinity-aware DoubleAsString. return RenderString(name, DoubleAsString(value)); } JsonObjectWriter* JsonObjectWriter::RenderFloat(StringPiece name, float value) { if (MathLimits<float>::IsFinite(value)) { return RenderSimple(name, SimpleFtoa(value)); } // Render quoted with NaN/Infinity-aware FloatAsString. return RenderString(name, FloatAsString(value)); } JsonObjectWriter* JsonObjectWriter::RenderString(StringPiece name, StringPiece value) { WritePrefix(name); WriteChar('"'); ArrayByteSource source(value); JsonEscaping::Escape(&source, &sink_); WriteChar('"'); return this; } JsonObjectWriter* JsonObjectWriter::RenderBytes(StringPiece name, StringPiece value) { WritePrefix(name); string base64; if (use_websafe_base64_for_bytes_) WebSafeBase64EscapeWithPadding(value.ToString(), &base64); else Base64Escape(value, &base64); WriteChar('"'); // TODO(wpoon): Consider a ByteSink solution that writes the base64 bytes // directly to the stream, rather than first putting them // into a string and then writing them to the stream. stream_->WriteRaw(base64.data(), base64.size()); WriteChar('"'); return this; } JsonObjectWriter* JsonObjectWriter::RenderNull(StringPiece name) { return RenderSimple(name, "null"); } JsonObjectWriter* JsonObjectWriter::RenderNullAsEmpty(StringPiece name) { return RenderSimple(name, ""); } void JsonObjectWriter::WritePrefix(StringPiece name) { bool not_first = !element()->is_first(); if (not_first) WriteChar(','); if (not_first || !element()->is_root()) NewLine(); if (!name.empty() || element()->is_json_object()) { WriteChar('"'); if (!name.empty()) { ArrayByteSource source(name); JsonEscaping::Escape(&source, &sink_); } stream_->WriteString("\":"); if (!indent_string_.empty()) WriteChar(' '); } } } // namespace converter } // namespace util } // namespace protobuf } // namespace google