WIP of the rapidJson update

This commit is contained in:
Areloch 2019-04-20 18:52:24 -05:00
parent af27fea500
commit dbd48cdbc1
39 changed files with 15695 additions and 2707 deletions

View file

@ -1,160 +1,277 @@
// Tencent is pleased to support the open source community by making RapidJSON available.
//
// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
//
// Licensed under the MIT License (the "License"); you may not use this file except
// in compliance with the License. You may obtain a copy of the License at
//
// http://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software distributed
// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
// CONDITIONS OF ANY KIND, either express or implied. See the License for the
// specific language governing permissions and limitations under the License.
#ifndef RAPIDJSON_PRETTYWRITER_H_
#define RAPIDJSON_PRETTYWRITER_H_
#include "writer.h"
namespace rapidjson {
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#endif
#if defined(__clang__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(c++98-compat)
#endif
RAPIDJSON_NAMESPACE_BEGIN
//! Combination of PrettyWriter format flags.
/*! \see PrettyWriter::SetFormatOptions
*/
enum PrettyFormatOptions {
kFormatDefault = 0, //!< Default pretty formatting.
kFormatSingleLineArray = 1 //!< Format arrays on a single line.
};
//! Writer with indentation and spacing.
/*!
\tparam OutputStream Type of ouptut os.
\tparam Encoding Encoding of both source strings and output.
\tparam Allocator Type of allocator for allocating memory of stack.
\tparam OutputStream Type of output os.
\tparam SourceEncoding Encoding of source string.
\tparam TargetEncoding Encoding of output stream.
\tparam StackAllocator Type of allocator for allocating memory of stack.
*/
template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename Allocator = MemoryPoolAllocator<> >
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding, Allocator> {
template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> {
public:
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, Allocator> Base;
typedef typename Base::Ch Ch;
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> Base;
typedef typename Base::Ch Ch;
//! Constructor
/*! \param os Output os.
\param allocator User supplied allocator. If it is null, it will create a private one.
\param levelDepth Initial capacity of
*/
PrettyWriter(OutputStream& os, Allocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
Base(os, allocator, levelDepth), indentChar_(' '), indentCharCount_(4) {}
//! Constructor
/*! \param os Output stream.
\param allocator User supplied allocator. If it is null, it will create a private one.
\param levelDepth Initial capacity of stack.
*/
explicit PrettyWriter(OutputStream& os, StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
Base(os, allocator, levelDepth), indentChar_(' '), indentCharCount_(4), formatOptions_(kFormatDefault) {}
//! Set custom indentation.
/*! \param indentChar Character for indentation. Must be whitespace character (' ', '\t', '\n', '\r').
\param indentCharCount Number of indent characters for each indentation level.
\note The default indentation is 4 spaces.
*/
PrettyWriter& SetIndent(Ch indentChar, unsigned indentCharCount) {
RAPIDJSON_ASSERT(indentChar == ' ' || indentChar == '\t' || indentChar == '\n' || indentChar == '\r');
indentChar_ = indentChar;
indentCharCount_ = indentCharCount;
return *this;
}
//@name Implementation of Handler.
//@{
explicit PrettyWriter(StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4) {}
PrettyWriter& Null() { PrettyPrefix(kNullType); Base::WriteNull(); return *this; }
PrettyWriter& Bool(bool b) { PrettyPrefix(b ? kTrueType : kFalseType); Base::WriteBool(b); return *this; }
PrettyWriter& Int(int i) { PrettyPrefix(kNumberType); Base::WriteInt(i); return *this; }
PrettyWriter& Uint(unsigned u) { PrettyPrefix(kNumberType); Base::WriteUint(u); return *this; }
PrettyWriter& Int64(int64_t i64) { PrettyPrefix(kNumberType); Base::WriteInt64(i64); return *this; }
PrettyWriter& Uint64(uint64_t u64) { PrettyPrefix(kNumberType); Base::WriteUint64(u64); return *this; }
PrettyWriter& Double(double d) { PrettyPrefix(kNumberType); Base::WriteDouble(d); return *this; }
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
PrettyWriter(PrettyWriter&& rhs) :
Base(std::forward<PrettyWriter>(rhs)), indentChar_(rhs.indentChar_), indentCharCount_(rhs.indentCharCount_), formatOptions_(rhs.formatOptions_) {}
#endif
PrettyWriter& String(const Ch* str, SizeType length, bool copy = false) {
(void)copy;
PrettyPrefix(kStringType);
Base::WriteString(str, length);
return *this;
}
//! Set custom indentation.
/*! \param indentChar Character for indentation. Must be whitespace character (' ', '\\t', '\\n', '\\r').
\param indentCharCount Number of indent characters for each indentation level.
\note The default indentation is 4 spaces.
*/
PrettyWriter& SetIndent(Ch indentChar, unsigned indentCharCount) {
RAPIDJSON_ASSERT(indentChar == ' ' || indentChar == '\t' || indentChar == '\n' || indentChar == '\r');
indentChar_ = indentChar;
indentCharCount_ = indentCharCount;
return *this;
}
PrettyWriter& StartObject() {
PrettyPrefix(kObjectType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(false);
Base::WriteStartObject();
return *this;
}
//! Set pretty writer formatting options.
/*! \param options Formatting options.
*/
PrettyWriter& SetFormatOptions(PrettyFormatOptions options) {
formatOptions_ = options;
return *this;
}
PrettyWriter& EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()->inArray);
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
/*! @name Implementation of Handler
\see Handler
*/
//@{
if (!empty) {
Base::os_.Put('\n');
WriteIndent();
}
Base::WriteEndObject();
if (Base::level_stack_.Empty()) // end of json text
Base::os_.flush();
return *this;
}
bool Null() { PrettyPrefix(kNullType); return Base::EndValue(Base::WriteNull()); }
bool Bool(bool b) { PrettyPrefix(b ? kTrueType : kFalseType); return Base::EndValue(Base::WriteBool(b)); }
bool Int(int i) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt(i)); }
bool Uint(unsigned u) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint(u)); }
bool Int64(int64_t i64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteInt64(i64)); }
bool Uint64(uint64_t u64) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteUint64(u64)); }
bool Double(double d) { PrettyPrefix(kNumberType); return Base::EndValue(Base::WriteDouble(d)); }
PrettyWriter& StartArray() {
PrettyPrefix(kArrayType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(true);
Base::WriteStartArray();
return *this;
}
bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kNumberType);
return Base::EndValue(Base::WriteString(str, length));
}
PrettyWriter& EndArray(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
RAPIDJSON_ASSERT(Base::level_stack_.template Top<typename Base::Level>()->inArray);
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
bool String(const Ch* str, SizeType length, bool copy = false) {
RAPIDJSON_ASSERT(str != 0);
(void)copy;
PrettyPrefix(kStringType);
return Base::EndValue(Base::WriteString(str, length));
}
if (!empty) {
Base::os_.Put('\n');
WriteIndent();
}
Base::WriteEndArray();
if (Base::level_stack_.Empty()) // end of json text
Base::os_.flush();
return *this;
}
#if RAPIDJSON_HAS_STDSTRING
bool String(const std::basic_string<Ch>& str) {
return String(str.data(), SizeType(str.size()));
}
#endif
//@}
bool StartObject() {
PrettyPrefix(kObjectType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(false);
return Base::WriteStartObject();
}
//! Simpler but slower overload.
PrettyWriter& String(const Ch* str) { return String(str, internal::StrLen(str)); }
bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
#if RAPIDJSON_HAS_STDSTRING
bool Key(const std::basic_string<Ch>& str) {
return Key(str.data(), SizeType(str.size()));
}
#endif
bool EndObject(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level)); // not inside an Object
RAPIDJSON_ASSERT(!Base::level_stack_.template Top<typename Base::Level>()->inArray); // currently inside an Array, not Object
RAPIDJSON_ASSERT(0 == Base::level_stack_.template Top<typename Base::Level>()->valueCount % 2); // Object has a Key without a Value
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
if (!empty) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndObject());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
bool StartArray() {
PrettyPrefix(kArrayType);
new (Base::level_stack_.template Push<typename Base::Level>()) typename Base::Level(true);
return Base::WriteStartArray();
}
bool EndArray(SizeType memberCount = 0) {
(void)memberCount;
RAPIDJSON_ASSERT(Base::level_stack_.GetSize() >= sizeof(typename Base::Level));
RAPIDJSON_ASSERT(Base::level_stack_.template Top<typename Base::Level>()->inArray);
bool empty = Base::level_stack_.template Pop<typename Base::Level>(1)->valueCount == 0;
if (!empty && !(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
bool ret = Base::EndValue(Base::WriteEndArray());
(void)ret;
RAPIDJSON_ASSERT(ret == true);
if (Base::level_stack_.Empty()) // end of json text
Base::Flush();
return true;
}
//@}
/*! @name Convenience extensions */
//@{
//! Simpler but slower overload.
bool String(const Ch* str) { return String(str, internal::StrLen(str)); }
bool Key(const Ch* str) { return Key(str, internal::StrLen(str)); }
//@}
//! Write a raw JSON value.
/*!
For user to write a stringified JSON as a value.
\param json A well-formed JSON value. It should not contain null character within [0, length - 1] range.
\param length Length of the json.
\param type Type of the root of json.
\note When using PrettyWriter::RawValue(), the result json may not be indented correctly.
*/
bool RawValue(const Ch* json, size_t length, Type type) {
RAPIDJSON_ASSERT(json != 0);
PrettyPrefix(type);
return Base::EndValue(Base::WriteRawValue(json, length));
}
protected:
void PrettyPrefix(Type type) {
(void)type;
if (Base::level_stack_.GetSize() != 0) { // this value is not at root
typename Base::Level* level = Base::level_stack_.template Top<typename Base::Level>();
void PrettyPrefix(Type type) {
(void)type;
if (Base::level_stack_.GetSize() != 0) { // this value is not at root
typename Base::Level* level = Base::level_stack_.template Top<typename Base::Level>();
if (level->inArray) {
if (level->valueCount > 0) {
Base::os_.Put(','); // add comma if it is not the first element in array
Base::os_.Put('\n');
}
else
Base::os_.Put('\n');
WriteIndent();
}
else { // in object
if (level->valueCount > 0) {
if (level->valueCount % 2 == 0) {
Base::os_.Put(',');
Base::os_.Put('\n');
}
else {
Base::os_.Put(':');
Base::os_.Put(' ');
}
}
else
Base::os_.Put('\n');
if (level->inArray) {
if (level->valueCount > 0) {
Base::os_->Put(','); // add comma if it is not the first element in array
if (formatOptions_ & kFormatSingleLineArray)
Base::os_->Put(' ');
}
if (level->valueCount % 2 == 0)
WriteIndent();
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even number should be a name
level->valueCount++;
}
else
RAPIDJSON_ASSERT(type == kObjectType || type == kArrayType);
}
if (!(formatOptions_ & kFormatSingleLineArray)) {
Base::os_->Put('\n');
WriteIndent();
}
}
else { // in object
if (level->valueCount > 0) {
if (level->valueCount % 2 == 0) {
Base::os_->Put(',');
Base::os_->Put('\n');
}
else {
Base::os_->Put(':');
Base::os_->Put(' ');
}
}
else
Base::os_->Put('\n');
void WriteIndent() {
size_t count = (Base::level_stack_.GetSize() / sizeof(typename Base::Level)) * indentCharCount_;
PutN(Base::os_, indentChar_, count);
}
if (level->valueCount % 2 == 0)
WriteIndent();
}
if (!level->inArray && level->valueCount % 2 == 0)
RAPIDJSON_ASSERT(type == kStringType); // if it's in object, then even number should be a name
level->valueCount++;
}
else {
RAPIDJSON_ASSERT(!Base::hasRoot_); // Should only has one and only one root.
Base::hasRoot_ = true;
}
}
Ch indentChar_;
unsigned indentCharCount_;
void WriteIndent() {
size_t count = (Base::level_stack_.GetSize() / sizeof(typename Base::Level)) * indentCharCount_;
PutN(*Base::os_, static_cast<typename OutputStream::Ch>(indentChar_), count);
}
Ch indentChar_;
unsigned indentCharCount_;
PrettyFormatOptions formatOptions_;
private:
// Prohibit copy constructor & assignment operator.
PrettyWriter(const PrettyWriter&);
PrettyWriter& operator=(const PrettyWriter&);
};
} // namespace rapidjson
RAPIDJSON_NAMESPACE_END
#if defined(__clang__)
RAPIDJSON_DIAG_POP
#endif
#ifdef __GNUC__
RAPIDJSON_DIAG_POP
#endif
#endif // RAPIDJSON_RAPIDJSON_H_