feat(agv_pro_bringup): add multi-lidar support and drivers
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// Tencent is pleased to support the open source community by making RapidJSON
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// available.
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//
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// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All
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// rights reserved.
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//
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// Licensed under the MIT License (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License
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// at
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//
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// http://opensource.org/licenses/MIT
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#ifndef RAPIDJSON_PRETTYWRITER_H_
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#define RAPIDJSON_PRETTYWRITER_H_
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#include "writer.h"
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#ifdef __GNUC__
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RAPIDJSON_DIAG_PUSH
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RAPIDJSON_DIAG_OFF(effc++)
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#endif
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#if defined(__clang__)
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RAPIDJSON_DIAG_PUSH
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RAPIDJSON_DIAG_OFF(c++ 98 - compat)
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#endif
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RAPIDJSON_NAMESPACE_BEGIN
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//! Combination of PrettyWriter format flags.
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/*! \see PrettyWriter::SetFormatOptions
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*/
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enum PrettyFormatOptions {
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kFormatDefault = 0, //!< Default pretty formatting.
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kFormatSingleLineArray = 1 //!< Format arrays on a single line.
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};
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//! Writer with indentation and spacing.
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/*!
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\tparam OutputStream Type of output os.
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\tparam SourceEncoding Encoding of source string.
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\tparam TargetEncoding Encoding of output stream.
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\tparam StackAllocator Type of allocator for allocating memory of stack.
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*/
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template <typename OutputStream, typename SourceEncoding = UTF8<>,
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typename TargetEncoding = UTF8<>,
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typename StackAllocator = CrtAllocator,
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unsigned writeFlags = kWriteDefaultFlags>
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class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding,
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StackAllocator, writeFlags> {
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public:
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typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator,
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writeFlags>
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Base;
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typedef typename Base::Ch Ch;
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//! Constructor
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/*! \param os Output stream.
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\param allocator User supplied allocator. If it is null, it will create a
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private one. \param levelDepth Initial capacity of stack.
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*/
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explicit PrettyWriter(OutputStream &os, StackAllocator *allocator = 0,
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size_t levelDepth = Base::kDefaultLevelDepth)
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: Base(os, allocator, levelDepth),
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indentChar_(' '),
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indentCharCount_(4),
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formatOptions_(kFormatDefault) {}
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explicit PrettyWriter(StackAllocator *allocator = 0,
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size_t levelDepth = Base::kDefaultLevelDepth)
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: Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4) {}
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#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
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PrettyWriter(PrettyWriter &&rhs)
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: Base(std::forward<PrettyWriter>(rhs)),
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indentChar_(rhs.indentChar_),
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indentCharCount_(rhs.indentCharCount_),
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formatOptions_(rhs.formatOptions_) {}
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#endif
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//! Set custom indentation.
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/*! \param indentChar Character for indentation. Must be whitespace
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character (' ', '\\t', '\\n', '\\r'). \param indentCharCount Number of
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indent characters for each indentation level. \note The default indentation
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is 4 spaces.
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*/
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PrettyWriter &SetIndent(Ch indentChar, unsigned indentCharCount) {
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RAPIDJSON_ASSERT(indentChar == ' ' || indentChar == '\t' ||
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indentChar == '\n' || indentChar == '\r');
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indentChar_ = indentChar;
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indentCharCount_ = indentCharCount;
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return *this;
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}
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//! Set pretty writer formatting options.
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/*! \param options Formatting options.
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*/
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PrettyWriter &SetFormatOptions(PrettyFormatOptions options) {
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formatOptions_ = options;
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return *this;
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}
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/*! @name Implementation of Handler
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\see Handler
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*/
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//@{
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bool Null() {
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PrettyPrefix(kNullType);
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return Base::EndValue(Base::WriteNull());
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}
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bool Bool(bool b) {
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PrettyPrefix(b ? kTrueType : kFalseType);
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return Base::EndValue(Base::WriteBool(b));
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}
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bool Int(int i) {
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteInt(i));
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}
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bool Uint(unsigned u) {
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteUint(u));
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}
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bool Int64(int64_t i64) {
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteInt64(i64));
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}
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bool Uint64(uint64_t u64) {
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteUint64(u64));
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}
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bool Double(double d) {
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteDouble(d));
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}
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bool RawNumber(const Ch *str, SizeType length, bool copy = false) {
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RAPIDJSON_ASSERT(str != 0);
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(void)copy;
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PrettyPrefix(kNumberType);
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return Base::EndValue(Base::WriteString(str, length));
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}
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bool String(const Ch *str, SizeType length, bool copy = false) {
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RAPIDJSON_ASSERT(str != 0);
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(void)copy;
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PrettyPrefix(kStringType);
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return Base::EndValue(Base::WriteString(str, length));
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}
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#if RAPIDJSON_HAS_STDSTRING
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bool String(const std::basic_string<Ch> &str) {
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return String(str.data(), SizeType(str.size()));
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}
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#endif
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bool StartObject() {
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PrettyPrefix(kObjectType);
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new (Base::level_stack_.template Push<typename Base::Level>())
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typename Base::Level(false);
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return Base::WriteStartObject();
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}
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bool Key(const Ch *str, SizeType length, bool copy = false) {
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return String(str, length, copy);
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}
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#if RAPIDJSON_HAS_STDSTRING
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bool Key(const std::basic_string<Ch> &str) {
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return Key(str.data(), SizeType(str.size()));
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}
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#endif
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bool EndObject(SizeType memberCount = 0) {
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(void)memberCount;
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RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >=
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sizeof(typename Base::Level)); // not inside an Object
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RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()
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->inArray); // currently inside an Array, not Object
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RAPIDJSON_ASSERT(
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0 ==
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Base::level_stack_.template Top<typename Base::Level>()->valueCount %
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2); // Object has a Key without a Value
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bool empty =
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Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount ==
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0;
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if (!empty) {
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Base::os_->Put('\n');
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WriteIndent();
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}
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bool ret = Base::EndValue(Base::WriteEndObject());
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(void)ret;
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RAPIDJSON_ASSERT(ret == true);
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if (Base::level_stack_.Empty()) // end of json text
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Base::Flush();
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return true;
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}
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bool StartArray() {
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PrettyPrefix(kArrayType);
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new (Base::level_stack_.template Push<typename Base::Level>())
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typename Base::Level(true);
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return Base::WriteStartArray();
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}
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bool EndArray(SizeType memberCount = 0) {
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(void)memberCount;
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RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >=
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sizeof(typename Base::Level));
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RAPIDJSON_ASSERT(
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Base::level_stack_.template Top<typename Base::Level>()->inArray);
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bool empty =
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Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount ==
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0;
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if (!empty && !(formatOptions_ & kFormatSingleLineArray)) {
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Base::os_->Put('\n');
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WriteIndent();
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}
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bool ret = Base::EndValue(Base::WriteEndArray());
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(void)ret;
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RAPIDJSON_ASSERT(ret == true);
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if (Base::level_stack_.Empty()) // end of json text
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Base::Flush();
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return true;
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}
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//@}
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/*! @name Convenience extensions */
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//@{
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//! Simpler but slower overload.
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bool String(const Ch *str) { return String(str, internal::StrLen(str)); }
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bool Key(const Ch *str) { return Key(str, internal::StrLen(str)); }
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//@}
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//! Write a raw JSON value.
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/*!
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For user to write a stringified JSON as a value.
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\param json A well-formed JSON value. It should not contain null character
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within [0, length - 1] range. \param length Length of the json. \param type
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Type of the root of json. \note When using PrettyWriter::RawValue(), the
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result json may not be indented correctly.
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*/
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bool RawValue(const Ch *json, size_t length, Type type) {
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RAPIDJSON_ASSERT(json != 0);
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PrettyPrefix(type);
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return Base::EndValue(Base::WriteRawValue(json, length));
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}
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protected:
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void PrettyPrefix(Type type) {
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(void)type;
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if (Base::level_stack_.GetSize() != 0) { // this value is not at root
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typename Base::Level *level =
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Base::level_stack_.template Top<typename Base::Level>();
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if (level->inArray) {
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if (level->valueCount > 0) {
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Base::os_->Put(
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','); // add comma if it is not the first element in array
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if (formatOptions_ & kFormatSingleLineArray) Base::os_->Put(' ');
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}
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if (!(formatOptions_ & kFormatSingleLineArray)) {
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Base::os_->Put('\n');
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WriteIndent();
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}
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} else { // in object
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if (level->valueCount > 0) {
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if (level->valueCount % 2 == 0) {
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Base::os_->Put(',');
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Base::os_->Put('\n');
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} else {
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Base::os_->Put(':');
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Base::os_->Put(' ');
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}
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} else
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Base::os_->Put('\n');
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if (level->valueCount % 2 == 0) WriteIndent();
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}
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if (!level->inArray && level->valueCount % 2 == 0)
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RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even
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// number should be a name
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level->valueCount++;
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} else {
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RAPIDJSON_ASSERT(
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!Base::hasRoot_); // Should only has one and only one root.
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Base::hasRoot_ = true;
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}
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}
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void WriteIndent() {
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size_t count =
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(Base::level_stack_.GetSize() / sizeof(typename Base::Level)) *
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indentCharCount_;
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PutN(*Base::os_, static_cast<typename OutputStream::Ch>(indentChar_),
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count);
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}
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Ch indentChar_;
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unsigned indentCharCount_;
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PrettyFormatOptions formatOptions_;
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private:
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// Prohibit copy constructor & assignment operator.
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PrettyWriter(const PrettyWriter &);
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PrettyWriter &operator=(const PrettyWriter &);
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};
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RAPIDJSON_NAMESPACE_END
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#if defined(__clang__)
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RAPIDJSON_DIAG_POP
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#endif
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#ifdef __GNUC__
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RAPIDJSON_DIAG_POP
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#endif
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#endif // RAPIDJSON_RAPIDJSON_H_
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