rapidjson: remove outdated in-tree, use submodule

Includes ~2 years worth of fixes including security and build.

Note: this pulls directly from master, not a release branch/tag. See
https://github.com/Tencent/rapidjson/issues/1265

2 files changed, 0 insertions, 616 deletions

diff --git a/external/rapidjson b/external/rapidjson
new file mode 160000
+Subproject af223d44f4e8d3772cb1ac0ce8bc2a132b51717
diff --git a/external/rapidjson/writer.h b/external/rapidjson/writer.h
deleted file mode 100644
index c5a3b98a9..000000000
--- a/external/rapidjson/writer.h
+++ /dev/null
@@ -1,616 +0,0 @@
-// 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) {
-        RAPIDJSON_ASSERT(str != 0);
-        (void)copy;
-        Prefix(kNumberType);
-        return EndValue(WriteString(str, length));
-    }
-
-    bool String(const Ch* str, SizeType length, bool copy = false) {
-        RAPIDJSON_ASSERT(str != 0);
-        (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) {
-        RAPIDJSON_ASSERT(json != 0);
-        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_