moved rapidjson to external folder, fixed CMake

1 files changed, 389 insertions, 0 deletions

diff --git a/external/rapidjson/writer.h b/external/rapidjson/writer.h
new file mode 100644
index 000000000..fb6601ef9
--- /dev/null
+++ b/external/rapidjson/writer.h
@@ -0,0 +1,389 @@
+// Copyright (C) 2011 Milo Yip

+//

+// Permission is hereby granted, free of charge, to any person obtaining a copy

+// of this software and associated documentation files (the "Software"), to deal

+// in the Software without restriction, including without limitation the rights

+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

+// copies of the Software, and to permit persons to whom the Software is

+// furnished to do so, subject to the following conditions:

+//

+// The above copyright notice and this permission notice shall be included in

+// all copies or substantial portions of the Software.

+//

+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

+// THE SOFTWARE.

+

+#ifndef RAPIDJSON_WRITER_H_

+#define RAPIDJSON_WRITER_H_

+

+#include "rapidjson.h"

+#include "internal/stack.h"

+#include "internal/strfunc.h"

+#include "internal/dtoa.h"

+#include "internal/itoa.h"

+#include "stringbuffer.h"

+#include <new>      // placement new

+

+#ifdef _MSC_VER

+RAPIDJSON_DIAG_PUSH

+RAPIDJSON_DIAG_OFF(4127) // conditional expression is constant

+#endif

+

+namespace rapidjson {

+

+//! 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>

+class Writer {

+public:

+    typedef typename SourceEncoding::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.

+    */

+    Writer(OutputStream& os, StackAllocator* stackAllocator = 0, size_t levelDepth = kDefaultLevelDepth) : 

+        os_(&os), level_stack_(stackAllocator, levelDepth * sizeof(Level)), hasRoot_(false) {}

+

+    Writer(StackAllocator* allocator = 0, size_t levelDepth = kDefaultLevelDepth) :

+        os_(0), level_stack_(allocator, levelDepth * sizeof(Level)), 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();

+    }

+

+    /*!@name Implementation of Handler

+        \see Handler

+    */

+    //@{

+

+    bool Null()                 { Prefix(kNullType);   return WriteNull(); }

+    bool Bool(bool b)           { Prefix(b ? kTrueType : kFalseType); return WriteBool(b); }

+    bool Int(int i)             { Prefix(kNumberType); return WriteInt(i); }

+    bool Uint(unsigned u)       { Prefix(kNumberType); return WriteUint(u); }

+    bool Int64(int64_t i64)     { Prefix(kNumberType); return WriteInt64(i64); }

+    bool Uint64(uint64_t u64)   { Prefix(kNumberType); return 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 WriteDouble(d); }

+

+    bool String(const Ch* str, SizeType length, bool copy = false) {

+        (void)copy;

+        Prefix(kStringType);

+        return WriteString(str, length);

+    }

+

+    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);

+        bool ret = WriteEndObject();

+        if (level_stack_.Empty())   // end of json text

+            os_->Flush();

+        return ret;

+    }

+

+    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);

+        bool ret = WriteEndArray();

+        if (level_stack_.Empty())   // end of json text

+            os_->Flush();

+        return ret;

+    }

+    //@}

+

+    /*! @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)); }

+

+    //@}

+

+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()  {

+        os_->Put('n'); os_->Put('u'); os_->Put('l'); os_->Put('l'); return true;

+    }

+

+    bool WriteBool(bool b)  {

+        if (b) {

+            os_->Put('t'); os_->Put('r'); os_->Put('u'); os_->Put('e');

+        }

+        else {

+            os_->Put('f'); os_->Put('a'); os_->Put('l'); os_->Put('s'); os_->Put('e');

+        }

+        return true;

+    }

+

+    bool WriteInt(int i) {

+        char buffer[11];

+        const char* end = internal::i32toa(i, buffer);

+        for (const char* p = buffer; p != end; ++p)

+            os_->Put(*p);

+        return true;

+    }

+

+    bool WriteUint(unsigned u) {

+        char buffer[10];

+        const char* end = internal::u32toa(u, buffer);

+        for (const char* p = buffer; p != end; ++p)

+            os_->Put(*p);

+        return true;

+    }

+

+    bool WriteInt64(int64_t i64) {

+        char buffer[21];

+        const char* end = internal::i64toa(i64, buffer);

+        for (const char* p = buffer; p != end; ++p)

+            os_->Put(*p);

+        return true;

+    }

+

+    bool WriteUint64(uint64_t u64) {

+        char buffer[20];

+        char* end = internal::u64toa(u64, buffer);

+        for (char* p = buffer; p != end; ++p)

+            os_->Put(*p);

+        return true;

+    }

+

+    bool WriteDouble(double d) {

+        char buffer[25];

+        char* end = internal::dtoa(d, buffer);

+        for (char* p = buffer; p != end; ++p)

+            os_->Put(*p);

+        return true;

+    }

+

+    bool WriteString(const Ch* str, SizeType length)  {

+        static const char 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

+        };

+

+        os_->Put('\"');

+        GenericStringStream<SourceEncoding> is(str);

+        while (is.Tell() < length) {

+            const Ch c = is.Peek();

+            if (!TargetEncoding::supportUnicode && (unsigned)c >= 0x80) {

+                // Unicode escaping

+                unsigned codepoint;

+                if (!SourceEncoding::Decode(is, &codepoint))

+                    return false;

+                os_->Put('\\');

+                os_->Put('u');

+                if (codepoint <= 0xD7FF || (codepoint >= 0xE000 && codepoint <= 0xFFFF)) {

+                    os_->Put(hexDigits[(codepoint >> 12) & 15]);

+                    os_->Put(hexDigits[(codepoint >>  8) & 15]);

+                    os_->Put(hexDigits[(codepoint >>  4) & 15]);

+                    os_->Put(hexDigits[(codepoint      ) & 15]);

+                }

+                else if (codepoint >= 0x010000 && codepoint <= 0x10FFFF)    {

+                    // Surrogate pair

+                    unsigned s = codepoint - 0x010000;

+                    unsigned lead = (s >> 10) + 0xD800;

+                    unsigned trail = (s & 0x3FF) + 0xDC00;

+                    os_->Put(hexDigits[(lead >> 12) & 15]);

+                    os_->Put(hexDigits[(lead >>  8) & 15]);

+                    os_->Put(hexDigits[(lead >>  4) & 15]);

+                    os_->Put(hexDigits[(lead      ) & 15]);

+                    os_->Put('\\');

+                    os_->Put('u');

+                    os_->Put(hexDigits[(trail >> 12) & 15]);

+                    os_->Put(hexDigits[(trail >>  8) & 15]);

+                    os_->Put(hexDigits[(trail >>  4) & 15]);

+                    os_->Put(hexDigits[(trail      ) & 15]);                    

+                }

+                else

+                    return false;   // invalid code point

+            }

+            else if ((sizeof(Ch) == 1 || (unsigned)c < 256) && escape[(unsigned char)c])  {

+                is.Take();

+                os_->Put('\\');

+                os_->Put(escape[(unsigned char)c]);

+                if (escape[(unsigned char)c] == 'u') {

+                    os_->Put('0');

+                    os_->Put('0');

+                    os_->Put(hexDigits[(unsigned char)c >> 4]);

+                    os_->Put(hexDigits[(unsigned char)c & 0xF]);

+                }

+            }

+            else

+                Transcoder<SourceEncoding, TargetEncoding>::Transcode(is, *os_);

+        }

+        os_->Put('\"');

+        return true;

+    }

+

+    bool WriteStartObject() { os_->Put('{'); return true; }

+    bool WriteEndObject()   { os_->Put('}'); return true; }

+    bool WriteStartArray()  { os_->Put('['); return true; }

+    bool WriteEndArray()    { os_->Put(']'); return true; }

+

+    void Prefix(Type type) {

+        (void)type;

+        if (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;

+        }

+    }

+

+    OutputStream* os_;

+    internal::Stack<StackAllocator> level_stack_;

+    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(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(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(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(20 - (end - buffer));

+    return true;

+}

+

+template<>

+inline bool Writer<StringBuffer>::WriteDouble(double d) {

+    char *buffer = os_->Push(25);

+    char* end = internal::dtoa(d, buffer);

+    os_->Pop(25 - (end - buffer));

+    return true;

+}

+

+} // namespace rapidjson

+

+#ifdef _MSC_VER

+RAPIDJSON_DIAG_POP

+#endif

+

+#endif // RAPIDJSON_RAPIDJSON_H_