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-// 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_WRITER_H_
-#define RAPIDJSON_WRITER_H_
-
-#include "stream.h"
-#include "internal/stack.h"
-#include "internal/strfunc.h"
-#include "internal/dtoa.h"
-#include "internal/itoa.h"
-#include "stringbuffer.h"
-#include <new> // placement new
-
-#if defined(RAPIDJSON_SIMD) && defined(_MSC_VER)
-#include <intrin.h>
-#pragma intrinsic(_BitScanForward)
-#endif
-#ifdef RAPIDJSON_SSE42
-#include <nmmintrin.h>
-#elif defined(RAPIDJSON_SSE2)
-#include <emmintrin.h>
-#endif
-
-#ifdef _MSC_VER
-RAPIDJSON_DIAG_PUSH
-RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant
-#endif
-
-#ifdef __clang__
-RAPIDJSON_DIAG_PUSH
-RAPIDJSON_DIAG_OFF(padded)
-RAPIDJSON_DIAG_OFF(unreachable-code)
-#endif
-
-RAPIDJSON_NAMESPACE_BEGIN
-
-///////////////////////////////////////////////////////////////////////////////
-// WriteFlag
-
-/*! \def RAPIDJSON_WRITE_DEFAULT_FLAGS
- \ingroup RAPIDJSON_CONFIG
- \brief User-defined kWriteDefaultFlags definition.
-
- User can define this as any \c WriteFlag combinations.
-*/
-#ifndef RAPIDJSON_WRITE_DEFAULT_FLAGS
-#define RAPIDJSON_WRITE_DEFAULT_FLAGS kWriteNoFlags
-#endif
-
-//! Combination of writeFlags
-enum WriteFlag {
- kWriteNoFlags = 0, //!< No flags are set.
- kWriteValidateEncodingFlag = 1, //!< Validate encoding of JSON strings.
- kWriteNanAndInfFlag = 2, //!< Allow writing of Infinity, -Infinity and NaN.
- kWriteDefaultFlags = RAPIDJSON_WRITE_DEFAULT_FLAGS //!< Default write flags. Can be customized by defining RAPIDJSON_WRITE_DEFAULT_FLAGS
-};
-
-//! JSON writer
-/*! Writer implements the concept Handler.
- It generates JSON text by events to an output os.
-
- User may programmatically calls the functions of a writer to generate JSON text.
-
- On the other side, a writer can also be passed to objects that generates events,
-
- for example Reader::Parse() and Document::Accept().
-
- \tparam OutputStream Type of output stream.
- \tparam SourceEncoding Encoding of source string.
- \tparam TargetEncoding Encoding of output stream.
- \tparam StackAllocator Type of allocator for allocating memory of stack.
- \note implements Handler concept
-*/
-template<typename OutputStream, typename SourceEncoding = UTF8<>, typename TargetEncoding = UTF8<>, typename StackAllocator = CrtAllocator, unsigned writeFlags = kWriteDefaultFlags>
-class Writer {
-public:
- typedef typename SourceEncoding::Ch Ch;
-
- static const int kDefaultMaxDecimalPlaces = 324;
-
- //! Constructor
- /*! \param os Output stream.
- \param stackAllocator User supplied allocator. If it is null, it will create a private one.
- \param levelDepth Initial capacity of stack.
- */
- explicit
- Writer(OutputStream& os, StackAllocator* stackAllocator = 0, size_t levelDepth = kDefaultLevelDepth) :
- os_(&os), level_stack_(stackAllocator, levelDepth * sizeof(Level)), maxDecimalPlaces_(kDefaultMaxDecimalPlaces), hasRoot_(false) {}
-
- explicit
- Writer(StackAllocator* allocator = 0, size_t levelDepth = kDefaultLevelDepth) :
- os_(0), level_stack_(allocator, levelDepth * sizeof(Level)), maxDecimalPlaces_(kDefaultMaxDecimalPlaces), hasRoot_(false) {}
-
- //! Reset the writer with a new stream.
- /*!
- This function reset the writer with a new stream and default settings,
- in order to make a Writer object reusable for output multiple JSONs.
-
- \param os New output stream.
- \code
- Writer<OutputStream> writer(os1);
- writer.StartObject();
- // ...
- writer.EndObject();
-
- writer.Reset(os2);
- writer.StartObject();
- // ...
- writer.EndObject();
- \endcode
- */
- void Reset(OutputStream& os) {
- os_ = &os;
- hasRoot_ = false;
- level_stack_.Clear();
- }
-
- //! Checks whether the output is a complete JSON.
- /*!
- A complete JSON has a complete root object or array.
- */
- bool IsComplete() const {
- return hasRoot_ && level_stack_.Empty();
- }
-
- int GetMaxDecimalPlaces() const {
- return maxDecimalPlaces_;
- }
-
- //! Sets the maximum number of decimal places for double output.
- /*!
- This setting truncates the output with specified number of decimal places.
-
- For example,
-
- \code
- writer.SetMaxDecimalPlaces(3);
- writer.StartArray();
- writer.Double(0.12345); // "0.123"
- writer.Double(0.0001); // "0.0"
- writer.Double(1.234567890123456e30); // "1.234567890123456e30" (do not truncate significand for positive exponent)
- writer.Double(1.23e-4); // "0.0" (do truncate significand for negative exponent)
- writer.EndArray();
- \endcode
-
- The default setting does not truncate any decimal places. You can restore to this setting by calling
- \code
- writer.SetMaxDecimalPlaces(Writer::kDefaultMaxDecimalPlaces);
- \endcode
- */
- void SetMaxDecimalPlaces(int maxDecimalPlaces) {
- maxDecimalPlaces_ = maxDecimalPlaces;
- }
-
- /*!@name Implementation of Handler
- \see Handler
- */
- //@{
-
- bool Null() { Prefix(kNullType); return EndValue(WriteNull()); }
- bool Bool(bool b) { Prefix(b ? kTrueType : kFalseType); return EndValue(WriteBool(b)); }
- bool Int(int i) { Prefix(kNumberType); return EndValue(WriteInt(i)); }
- bool Uint(unsigned u) { Prefix(kNumberType); return EndValue(WriteUint(u)); }
- bool Int64(int64_t i64) { Prefix(kNumberType); return EndValue(WriteInt64(i64)); }
- bool Uint64(uint64_t u64) { Prefix(kNumberType); return EndValue(WriteUint64(u64)); }
-
- //! Writes the given \c double value to the stream
- /*!
- \param d The value to be written.
- \return Whether it is succeed.
- */
- bool Double(double d) { Prefix(kNumberType); return EndValue(WriteDouble(d)); }
-
- bool RawNumber(const Ch* str, SizeType length, bool copy = false) {
- (void)copy;
- Prefix(kNumberType);
- return EndValue(WriteString(str, length));
- }
-
- bool String(const Ch* str, SizeType length, bool copy = false) {
- (void)copy;
- Prefix(kStringType);
- return EndValue(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() {
- Prefix(kObjectType);
- new (level_stack_.template Push<Level>()) Level(false);
- return WriteStartObject();
- }
-
- bool Key(const Ch* str, SizeType length, bool copy = false) { return String(str, length, copy); }
-
- bool EndObject(SizeType memberCount = 0) {
- (void)memberCount;
- RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level));
- RAPIDJSON_ASSERT(!level_stack_.template Top<Level>()->inArray);
- level_stack_.template Pop<Level>(1);
- return EndValue(WriteEndObject());
- }
-
- bool StartArray() {
- Prefix(kArrayType);
- new (level_stack_.template Push<Level>()) Level(true);
- return WriteStartArray();
- }
-
- bool EndArray(SizeType elementCount = 0) {
- (void)elementCount;
- RAPIDJSON_ASSERT(level_stack_.GetSize() >= sizeof(Level));
- RAPIDJSON_ASSERT(level_stack_.template Top<Level>()->inArray);
- level_stack_.template Pop<Level>(1);
- return EndValue(WriteEndArray());
- }
- //@}
-
- /*! @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.
- */
- bool RawValue(const Ch* json, size_t length, Type type) { Prefix(type); return EndValue(WriteRawValue(json, length)); }
-
-protected:
- //! Information for each nested level
- struct Level {
- Level(bool inArray_) : valueCount(0), inArray(inArray_) {}
- size_t valueCount; //!< number of values in this level
- bool inArray; //!< true if in array, otherwise in object
- };
-
- static const size_t kDefaultLevelDepth = 32;
-
- bool WriteNull() {
- PutReserve(*os_, 4);
- PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 'l'); return true;
- }
-
- bool WriteBool(bool b) {
- if (b) {
- PutReserve(*os_, 4);
- PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'r'); PutUnsafe(*os_, 'u'); PutUnsafe(*os_, 'e');
- }
- else {
- PutReserve(*os_, 5);
- PutUnsafe(*os_, 'f'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'l'); PutUnsafe(*os_, 's'); PutUnsafe(*os_, 'e');
- }
- return true;
- }
-
- bool WriteInt(int i) {
- char buffer[11];
- const char* end = internal::i32toa(i, buffer);
- PutReserve(*os_, static_cast<size_t>(end - buffer));
- for (const char* p = buffer; p != end; ++p)
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
- return true;
- }
-
- bool WriteUint(unsigned u) {
- char buffer[10];
- const char* end = internal::u32toa(u, buffer);
- PutReserve(*os_, static_cast<size_t>(end - buffer));
- for (const char* p = buffer; p != end; ++p)
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
- return true;
- }
-
- bool WriteInt64(int64_t i64) {
- char buffer[21];
- const char* end = internal::i64toa(i64, buffer);
- PutReserve(*os_, static_cast<size_t>(end - buffer));
- for (const char* p = buffer; p != end; ++p)
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
- return true;
- }
-
- bool WriteUint64(uint64_t u64) {
- char buffer[20];
- char* end = internal::u64toa(u64, buffer);
- PutReserve(*os_, static_cast<size_t>(end - buffer));
- for (char* p = buffer; p != end; ++p)
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
- return true;
- }
-
- bool WriteDouble(double d) {
- if (internal::Double(d).IsNanOrInf()) {
- if (!(writeFlags & kWriteNanAndInfFlag))
- return false;
- if (internal::Double(d).IsNan()) {
- PutReserve(*os_, 3);
- PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
- return true;
- }
- if (internal::Double(d).Sign()) {
- PutReserve(*os_, 9);
- PutUnsafe(*os_, '-');
- }
- else
- PutReserve(*os_, 8);
- PutUnsafe(*os_, 'I'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'f');
- PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'y');
- return true;
- }
-
- char buffer[25];
- char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
- PutReserve(*os_, static_cast<size_t>(end - buffer));
- for (char* p = buffer; p != end; ++p)
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
- return true;
- }
-
- bool WriteString(const Ch* str, SizeType length) {
- static const typename TargetEncoding::Ch hexDigits[16] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
- static const char escape[256] = {
-#define Z16 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
- //0 1 2 3 4 5 6 7 8 9 A B C D E F
- 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'b', 't', 'n', 'u', 'f', 'r', 'u', 'u', // 00
- 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', 'u', // 10
- 0, 0, '"', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20
- Z16, Z16, // 30~4F
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,'\\', 0, 0, 0, // 50
- Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16, Z16 // 60~FF
-#undef Z16
- };
-
- if (TargetEncoding::supportUnicode)
- PutReserve(*os_, 2 + length * 6); // "\uxxxx..."
- else
- PutReserve(*os_, 2 + length * 12); // "\uxxxx\uyyyy..."
-
- PutUnsafe(*os_, '\"');
- GenericStringStream<SourceEncoding> is(str);
- while (ScanWriteUnescapedString(is, length)) {
- const Ch c = is.Peek();
- if (!TargetEncoding::supportUnicode && static_cast<unsigned>(c) >= 0x80) {
- // Unicode escaping
- unsigned codepoint;
- if (RAPIDJSON_UNLIKELY(!SourceEncoding::Decode(is, &codepoint)))
- return false;
- PutUnsafe(*os_, '\\');
- PutUnsafe(*os_, 'u');
- if (codepoint <= 0xD7FF || (codepoint >= 0xE000 && codepoint <= 0xFFFF)) {
- PutUnsafe(*os_, hexDigits[(codepoint >> 12) & 15]);
- PutUnsafe(*os_, hexDigits[(codepoint >> 8) & 15]);
- PutUnsafe(*os_, hexDigits[(codepoint >> 4) & 15]);
- PutUnsafe(*os_, hexDigits[(codepoint ) & 15]);
- }
- else {
- RAPIDJSON_ASSERT(codepoint >= 0x010000 && codepoint <= 0x10FFFF);
- // Surrogate pair
- unsigned s = codepoint - 0x010000;
- unsigned lead = (s >> 10) + 0xD800;
- unsigned trail = (s & 0x3FF) + 0xDC00;
- PutUnsafe(*os_, hexDigits[(lead >> 12) & 15]);
- PutUnsafe(*os_, hexDigits[(lead >> 8) & 15]);
- PutUnsafe(*os_, hexDigits[(lead >> 4) & 15]);
- PutUnsafe(*os_, hexDigits[(lead ) & 15]);
- PutUnsafe(*os_, '\\');
- PutUnsafe(*os_, 'u');
- PutUnsafe(*os_, hexDigits[(trail >> 12) & 15]);
- PutUnsafe(*os_, hexDigits[(trail >> 8) & 15]);
- PutUnsafe(*os_, hexDigits[(trail >> 4) & 15]);
- PutUnsafe(*os_, hexDigits[(trail ) & 15]);
- }
- }
- else if ((sizeof(Ch) == 1 || static_cast<unsigned>(c) < 256) && RAPIDJSON_UNLIKELY(escape[static_cast<unsigned char>(c)])) {
- is.Take();
- PutUnsafe(*os_, '\\');
- PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(escape[static_cast<unsigned char>(c)]));
- if (escape[static_cast<unsigned char>(c)] == 'u') {
- PutUnsafe(*os_, '0');
- PutUnsafe(*os_, '0');
- PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) >> 4]);
- PutUnsafe(*os_, hexDigits[static_cast<unsigned char>(c) & 0xF]);
- }
- }
- else if (RAPIDJSON_UNLIKELY(!(writeFlags & kWriteValidateEncodingFlag ?
- Transcoder<SourceEncoding, TargetEncoding>::Validate(is, *os_) :
- Transcoder<SourceEncoding, TargetEncoding>::TranscodeUnsafe(is, *os_))))
- return false;
- }
- PutUnsafe(*os_, '\"');
- return true;
- }
-
- bool ScanWriteUnescapedString(GenericStringStream<SourceEncoding>& is, size_t length) {
- return RAPIDJSON_LIKELY(is.Tell() < length);
- }
-
- bool WriteStartObject() { os_->Put('{'); return true; }
- bool WriteEndObject() { os_->Put('}'); return true; }
- bool WriteStartArray() { os_->Put('['); return true; }
- bool WriteEndArray() { os_->Put(']'); return true; }
-
- bool WriteRawValue(const Ch* json, size_t length) {
- PutReserve(*os_, length);
- for (size_t i = 0; i < length; i++) {
- RAPIDJSON_ASSERT(json[i] != '\0');
- PutUnsafe(*os_, json[i]);
- }
- return true;
- }
-
- void Prefix(Type type) {
- (void)type;
- if (RAPIDJSON_LIKELY(level_stack_.GetSize() != 0)) { // this value is not at root
- Level* level = level_stack_.template Top<Level>();
- if (level->valueCount > 0) {
- if (level->inArray)
- os_->Put(','); // add comma if it is not the first element in array
- else // in object
- os_->Put((level->valueCount % 2 == 0) ? ',' : ':');
- }
- 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(!hasRoot_); // Should only has one and only one root.
- hasRoot_ = true;
- }
- }
-
- // Flush the value if it is the top level one.
- bool EndValue(bool ret) {
- if (RAPIDJSON_UNLIKELY(level_stack_.Empty())) // end of json text
- os_->Flush();
- return ret;
- }
-
- OutputStream* os_;
- internal::Stack<StackAllocator> level_stack_;
- int maxDecimalPlaces_;
- bool hasRoot_;
-
-private:
- // Prohibit copy constructor & assignment operator.
- Writer(const Writer&);
- Writer& operator=(const Writer&);
-};
-
-// Full specialization for StringStream to prevent memory copying
-
-template<>
-inline bool Writer<StringBuffer>::WriteInt(int i) {
- char *buffer = os_->Push(11);
- const char* end = internal::i32toa(i, buffer);
- os_->Pop(static_cast<size_t>(11 - (end - buffer)));
- return true;
-}
-
-template<>
-inline bool Writer<StringBuffer>::WriteUint(unsigned u) {
- char *buffer = os_->Push(10);
- const char* end = internal::u32toa(u, buffer);
- os_->Pop(static_cast<size_t>(10 - (end - buffer)));
- return true;
-}
-
-template<>
-inline bool Writer<StringBuffer>::WriteInt64(int64_t i64) {
- char *buffer = os_->Push(21);
- const char* end = internal::i64toa(i64, buffer);
- os_->Pop(static_cast<size_t>(21 - (end - buffer)));
- return true;
-}
-
-template<>
-inline bool Writer<StringBuffer>::WriteUint64(uint64_t u) {
- char *buffer = os_->Push(20);
- const char* end = internal::u64toa(u, buffer);
- os_->Pop(static_cast<size_t>(20 - (end - buffer)));
- return true;
-}
-
-template<>
-inline bool Writer<StringBuffer>::WriteDouble(double d) {
- if (internal::Double(d).IsNanOrInf()) {
- // Note: This code path can only be reached if (RAPIDJSON_WRITE_DEFAULT_FLAGS & kWriteNanAndInfFlag).
- if (!(kWriteDefaultFlags & kWriteNanAndInfFlag))
- return false;
- if (internal::Double(d).IsNan()) {
- PutReserve(*os_, 3);
- PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
- return true;
- }
- if (internal::Double(d).Sign()) {
- PutReserve(*os_, 9);
- PutUnsafe(*os_, '-');
- }
- else
- PutReserve(*os_, 8);
- PutUnsafe(*os_, 'I'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'f');
- PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'y');
- return true;
- }
-
- char *buffer = os_->Push(25);
- char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
- os_->Pop(static_cast<size_t>(25 - (end - buffer)));
- return true;
-}
-
-#if defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42)
-template<>
-inline bool Writer<StringBuffer>::ScanWriteUnescapedString(StringStream& is, size_t length) {
- if (length < 16)
- return RAPIDJSON_LIKELY(is.Tell() < length);
-
- if (!RAPIDJSON_LIKELY(is.Tell() < length))
- return false;
-
- const char* p = is.src_;
- const char* end = is.head_ + length;
- const char* nextAligned = reinterpret_cast<const char*>((reinterpret_cast<size_t>(p) + 15) & static_cast<size_t>(~15));
- const char* endAligned = reinterpret_cast<const char*>(reinterpret_cast<size_t>(end) & static_cast<size_t>(~15));
- if (nextAligned > end)
- return true;
-
- while (p != nextAligned)
- if (*p < 0x20 || *p == '\"' || *p == '\\') {
- is.src_ = p;
- return RAPIDJSON_LIKELY(is.Tell() < length);
- }
- else
- os_->PutUnsafe(*p++);
-
- // The rest of string using SIMD
- static const char dquote[16] = { '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"', '\"' };
- static const char bslash[16] = { '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\', '\\' };
- static const char space[16] = { 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19, 0x19 };
- const __m128i dq = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&dquote[0]));
- const __m128i bs = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&bslash[0]));
- const __m128i sp = _mm_loadu_si128(reinterpret_cast<const __m128i *>(&space[0]));
-
- for (; p != endAligned; p += 16) {
- const __m128i s = _mm_load_si128(reinterpret_cast<const __m128i *>(p));
- const __m128i t1 = _mm_cmpeq_epi8(s, dq);
- const __m128i t2 = _mm_cmpeq_epi8(s, bs);
- const __m128i t3 = _mm_cmpeq_epi8(_mm_max_epu8(s, sp), sp); // s < 0x20 <=> max(s, 0x19) == 0x19
- const __m128i x = _mm_or_si128(_mm_or_si128(t1, t2), t3);
- unsigned short r = static_cast<unsigned short>(_mm_movemask_epi8(x));
- if (RAPIDJSON_UNLIKELY(r != 0)) { // some of characters is escaped
- SizeType len;
-#ifdef _MSC_VER // Find the index of first escaped
- unsigned long offset;
- _BitScanForward(&offset, r);
- len = offset;
-#else
- len = static_cast<SizeType>(__builtin_ffs(r) - 1);
-#endif
- char* q = reinterpret_cast<char*>(os_->PushUnsafe(len));
- for (size_t i = 0; i < len; i++)
- q[i] = p[i];
-
- p += len;
- break;
- }
- _mm_storeu_si128(reinterpret_cast<__m128i *>(os_->PushUnsafe(16)), s);
- }
-
- is.src_ = p;
- return RAPIDJSON_LIKELY(is.Tell() < length);
-}
-#endif // defined(RAPIDJSON_SSE2) || defined(RAPIDJSON_SSE42)
-
-RAPIDJSON_NAMESPACE_END
-
-#ifdef _MSC_VER
-RAPIDJSON_DIAG_POP
-#endif
-
-#ifdef __clang__
-RAPIDJSON_DIAG_POP
-#endif
-
-#endif // RAPIDJSON_RAPIDJSON_H_