diff options
Diffstat (limited to 'external/rapidjson/encodings.h')
| -rw-r--r-- | external/rapidjson/encodings.h | 167 |
1 files changed, 86 insertions, 81 deletions
diff --git a/external/rapidjson/encodings.h b/external/rapidjson/encodings.h index 5c7da3e04..f37f9e1f7 100644 --- a/external/rapidjson/encodings.h +++ b/external/rapidjson/encodings.h @@ -1,22 +1,16 @@ -// Copyright (C) 2011 Milo Yip
+// 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.
//
-// 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:
+// 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
//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
+// http://opensource.org/licenses/MIT
//
-// 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.
+// 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_ENCODINGS_H_
#define RAPIDJSON_ENCODINGS_H_
@@ -30,9 +24,10 @@ RAPIDJSON_DIAG_OFF(4702) // unreachable code #elif defined(__GNUC__)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
+RAPIDJSON_DIAG_OFF(overflow)
#endif
-namespace rapidjson {
+RAPIDJSON_NAMESPACE_BEGIN
///////////////////////////////////////////////////////////////////////////////
// Encoding
@@ -127,17 +122,17 @@ struct UTF8 { template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
-#define COPY() c = is.Take(); *codepoint = (*codepoint << 6) | ((unsigned char)c & 0x3Fu)
-#define TRANS(mask) result &= ((GetRange((unsigned char)c) & mask) != 0)
+#define COPY() c = is.Take(); *codepoint = (*codepoint << 6) | (static_cast<unsigned char>(c) & 0x3Fu)
+#define TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define TAIL() COPY(); TRANS(0x70)
- Ch c = is.Take();
+ typename InputStream::Ch c = is.Take();
if (!(c & 0x80)) {
- *codepoint = (unsigned char)c;
+ *codepoint = static_cast<unsigned char>(c);
return true;
}
- unsigned char type = GetRange((unsigned char)c);
- *codepoint = (0xFF >> type) & (unsigned char)c;
+ unsigned char type = GetRange(static_cast<unsigned char>(c));
+ *codepoint = (0xFF >> type) & static_cast<unsigned char>(c);
bool result = true;
switch (type) {
case 2: TAIL(); return result;
@@ -157,7 +152,7 @@ struct UTF8 { template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
#define COPY() os.Put(c = is.Take())
-#define TRANS(mask) result &= ((GetRange((unsigned char)c) & mask) != 0)
+#define TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define TAIL() COPY(); TRANS(0x70)
Ch c;
COPY();
@@ -165,7 +160,7 @@ struct UTF8 { return true;
bool result = true;
- switch (GetRange((unsigned char)c)) {
+ switch (GetRange(static_cast<unsigned char>(c))) {
case 2: TAIL(); return result;
case 3: TAIL(); TAIL(); return result;
case 4: COPY(); TRANS(0x50); TAIL(); return result;
@@ -201,12 +196,12 @@ struct UTF8 { template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- Ch c = Take(is);
- if ((unsigned char)c != 0xEFu) return c;
+ typename InputByteStream::Ch c = Take(is);
+ if (static_cast<unsigned char>(c) != 0xEFu) return c;
c = is.Take();
- if ((unsigned char)c != 0xBBu) return c;
+ if (static_cast<unsigned char>(c) != 0xBBu) return c;
c = is.Take();
- if ((unsigned char)c != 0xBFu) return c;
+ if (static_cast<unsigned char>(c) != 0xBFu) return c;
c = is.Take();
return c;
}
@@ -214,13 +209,15 @@ struct UTF8 { template <typename InputByteStream>
static Ch Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- return is.Take();
+ return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(0xEFu); os.Put(0xBBu); os.Put(0xBFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xEFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xBBu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xBFu));
}
template <typename OutputByteStream>
@@ -267,15 +264,15 @@ struct UTF16 { template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
- Ch c = is.Take();
+ typename InputStream::Ch c = is.Take();
if (c < 0xD800 || c > 0xDFFF) {
- *codepoint = c;
+ *codepoint = static_cast<unsigned>(c);
return true;
}
else if (c <= 0xDBFF) {
- *codepoint = (c & 0x3FF) << 10;
+ *codepoint = (static_cast<unsigned>(c) & 0x3FF) << 10;
c = is.Take();
- *codepoint |= (c & 0x3FF);
+ *codepoint |= (static_cast<unsigned>(c) & 0x3FF);
*codepoint += 0x10000;
return c >= 0xDC00 && c <= 0xDFFF;
}
@@ -286,8 +283,8 @@ struct UTF16 { static bool Validate(InputStream& is, OutputStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputStream::Ch) >= 2);
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
- Ch c;
- os.Put(c = is.Take());
+ typename InputStream::Ch c;
+ os.Put(static_cast<typename OutputStream::Ch>(c = is.Take()));
if (c < 0xD800 || c > 0xDFFF)
return true;
else if (c <= 0xDBFF) {
@@ -305,28 +302,29 @@ struct UTF16LE : UTF16<CharType> { static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
- return (unsigned short)c == 0xFEFFu ? Take(is) : c;
+ return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- CharType c = (unsigned char)is.Take();
- c |= (unsigned char)is.Take() << 8;
- return c;
+ unsigned c = static_cast<uint8_t>(is.Take());
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
+ return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(0xFFu); os.Put(0xFEu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(c & 0xFFu);
- os.Put((c >> 8) & 0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((static_cast<unsigned>(c) >> 8) & 0xFFu));
}
};
@@ -337,28 +335,29 @@ struct UTF16BE : UTF16<CharType> { static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
- return (unsigned short)c == 0xFEFFu ? Take(is) : c;
+ return static_cast<uint16_t>(c) == 0xFEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- CharType c = (unsigned char)is.Take() << 8;
- c |= (unsigned char)is.Take();
- return c;
+ unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
+ c |= static_cast<uint8_t>(is.Take());
+ return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(0xFEu); os.Put(0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put((c >> 8) & 0xFFu);
- os.Put(c & 0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>((static_cast<unsigned>(c) >> 8) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(static_cast<unsigned>(c) & 0xFFu));
}
};
@@ -411,32 +410,35 @@ struct UTF32LE : UTF32<CharType> { static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
- return (unsigned)c == 0x0000FEFFu ? Take(is) : c;
+ return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- CharType c = (unsigned char)is.Take();
- c |= (unsigned char)is.Take() << 8;
- c |= (unsigned char)is.Take() << 16;
- c |= (unsigned char)is.Take() << 24;
- return c;
+ unsigned c = static_cast<uint8_t>(is.Take());
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
+ return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(0xFFu); os.Put(0xFEu); os.Put(0x00u); os.Put(0x00u);
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(c & 0xFFu);
- os.Put((c >> 8) & 0xFFu);
- os.Put((c >> 16) & 0xFFu);
- os.Put((c >> 24) & 0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
}
};
@@ -447,32 +449,35 @@ struct UTF32BE : UTF32<CharType> { static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
CharType c = Take(is);
- return (unsigned)c == 0x0000FEFFu ? Take(is) : c;
+ return static_cast<uint32_t>(c) == 0x0000FEFFu ? Take(is) : c;
}
template <typename InputByteStream>
static CharType Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- CharType c = (unsigned char)is.Take() << 24;
- c |= (unsigned char)is.Take() << 16;
- c |= (unsigned char)is.Take() << 8;
- c |= (unsigned char)is.Take();
- return c;
+ unsigned c = static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 24;
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 16;
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take())) << 8;
+ c |= static_cast<unsigned>(static_cast<uint8_t>(is.Take()));
+ return static_cast<CharType>(c);
}
template <typename OutputByteStream>
static void PutBOM(OutputByteStream& os) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put(0x00u); os.Put(0x00u); os.Put(0xFEu); os.Put(0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0x00u));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFEu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(0xFFu));
}
template <typename OutputByteStream>
static void Put(OutputByteStream& os, CharType c) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputByteStream::Ch) == 1);
- os.Put((c >> 24) & 0xFFu);
- os.Put((c >> 16) & 0xFFu);
- os.Put((c >> 8) & 0xFFu);
- os.Put(c & 0xFFu);
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 24) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 16) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>((c >> 8) & 0xFFu));
+ os.Put(static_cast<typename OutputByteStream::Ch>(c & 0xFFu));
}
};
@@ -498,29 +503,29 @@ struct ASCII { template <typename InputStream>
static bool Decode(InputStream& is, unsigned* codepoint) {
- unsigned char c = static_cast<unsigned char>(is.Take());
+ uint8_t c = static_cast<uint8_t>(is.Take());
*codepoint = c;
return c <= 0X7F;
}
template <typename InputStream, typename OutputStream>
static bool Validate(InputStream& is, OutputStream& os) {
- unsigned char c = is.Take();
- os.Put(c);
+ uint8_t c = static_cast<uint8_t>(is.Take());
+ os.Put(static_cast<typename OutputStream::Ch>(c));
return c <= 0x7F;
}
template <typename InputByteStream>
static CharType TakeBOM(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- Ch c = Take(is);
- return c;
+ uint8_t c = static_cast<uint8_t>(Take(is));
+ return static_cast<Ch>(c);
}
template <typename InputByteStream>
static Ch Take(InputByteStream& is) {
RAPIDJSON_STATIC_ASSERT(sizeof(typename InputByteStream::Ch) == 1);
- return is.Take();
+ return static_cast<Ch>(is.Take());
}
template <typename OutputByteStream>
@@ -621,9 +626,9 @@ struct Transcoder<Encoding, Encoding> { }
};
-} // namespace rapidjson
+RAPIDJSON_NAMESPACE_END
-#if defined(__GNUC__) || defined(_MSV_VER)
+#if defined(__GNUC__) || defined(_MSC_VER)
RAPIDJSON_DIAG_POP
#endif
|