mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
synced 2025-11-03 21:01:17 +01:00
278 lines
10 KiB
C++
278 lines
10 KiB
C++
// 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.
|
|
//
|
|
// 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"
|
|
|
|
#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 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 StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
|
|
class PrettyWriter : public Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> {
|
|
public:
|
|
typedef Writer<OutputStream, SourceEncoding, TargetEncoding, StackAllocator, writeFlags> Base;
|
|
typedef typename Base::Ch Ch;
|
|
|
|
//! 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) {}
|
|
|
|
|
|
explicit PrettyWriter(StackAllocator* allocator = 0, size_t levelDepth = Base::kDefaultLevelDepth) :
|
|
Base(allocator, levelDepth), indentChar_(' '), indentCharCount_(4), formatOptions_(kFormatDefault) {}
|
|
|
|
#if RAPIDJSON_HAS_CXX11_RVALUE_REFS
|
|
PrettyWriter(PrettyWriter&& rhs) :
|
|
Base(std::forward<PrettyWriter>(rhs)), indentChar_(rhs.indentChar_), indentCharCount_(rhs.indentCharCount_), formatOptions_(rhs.formatOptions_) {}
|
|
#endif
|
|
|
|
//! 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;
|
|
}
|
|
|
|
//! Set pretty writer formatting options.
|
|
/*! \param options Formatting options.
|
|
*/
|
|
PrettyWriter& SetFormatOptions(PrettyFormatOptions options) {
|
|
formatOptions_ = options;
|
|
return *this;
|
|
}
|
|
|
|
/*! @name Implementation of Handler
|
|
\see Handler
|
|
*/
|
|
//@{
|
|
|
|
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)); }
|
|
|
|
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));
|
|
}
|
|
|
|
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 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();
|
|
}
|
|
|
|
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>();
|
|
|
|
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 (!(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');
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
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&);
|
|
};
|
|
|
|
RAPIDJSON_NAMESPACE_END
|
|
|
|
#if defined(__clang__)
|
|
RAPIDJSON_DIAG_POP
|
|
#endif
|
|
|
|
#ifdef __GNUC__
|
|
RAPIDJSON_DIAG_POP
|
|
#endif
|
|
|
|
#endif // RAPIDJSON_RAPIDJSON_H_
|