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| author | Riccardo Spagni <ric@spagni.net> | 2014-12-01 21:15:50 +0200 |
|---|---|---|
| committer | Riccardo Spagni <ric@spagni.net> | 2014-12-01 21:15:50 +0200 |
| commit | affde29754c2e2309bec3394c4271c56e3bce18e (patch) | |
| tree | 36f5f1191cb2ee7a18e7411880c09894709864fa /external/rapidjson/filewritestream.h | |
| parent | Merge pull request #1 (diff) | |
| download | monero-affde29754c2e2309bec3394c4271c56e3bce18e.tar.xz | |
moved rapidjson to external folder, fixed CMake
Diffstat (limited to 'external/rapidjson/filewritestream.h')
| -rw-r--r-- | external/rapidjson/filewritestream.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/external/rapidjson/filewritestream.h b/external/rapidjson/filewritestream.h new file mode 100644 index 000000000..05c5ca090 --- /dev/null +++ b/external/rapidjson/filewritestream.h @@ -0,0 +1,97 @@ +// 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_FILEWRITESTREAM_H_
+#define RAPIDJSON_FILEWRITESTREAM_H_
+
+#include "rapidjson.h"
+#include <cstdio>
+
+namespace rapidjson {
+
+//! Wrapper of C file stream for input using fread().
+/*!
+ \note implements Stream concept
+*/
+class FileWriteStream {
+public:
+ typedef char Ch; //!< Character type. Only support char.
+
+ FileWriteStream(FILE* fp, char* buffer, size_t bufferSize) : fp_(fp), buffer_(buffer), bufferEnd_(buffer + bufferSize), current_(buffer_) {
+ RAPIDJSON_ASSERT(fp_ != 0);
+ }
+
+ void Put(char c) {
+ if (current_ >= bufferEnd_)
+ Flush();
+
+ *current_++ = c;
+ }
+
+ void PutN(char c, size_t n) {
+ size_t avail = static_cast<size_t>(bufferEnd_ - current_);
+ while (n > avail) {
+ std::memset(current_, c, avail);
+ current_ += avail;
+ Flush();
+ n -= avail;
+ avail = static_cast<size_t>(bufferEnd_ - current_);
+ }
+
+ if (n > 0) {
+ std::memset(current_, c, n);
+ current_ += n;
+ }
+ }
+
+ void Flush() {
+ if (current_ != buffer_) {
+ fwrite(buffer_, 1, static_cast<size_t>(current_ - buffer_), fp_);
+ current_ = buffer_;
+ }
+ }
+
+ // Not implemented
+ char Peek() const { RAPIDJSON_ASSERT(false); return 0; }
+ char Take() { RAPIDJSON_ASSERT(false); return 0; }
+ size_t Tell() const { RAPIDJSON_ASSERT(false); return 0; }
+ char* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
+ size_t PutEnd(char*) { RAPIDJSON_ASSERT(false); return 0; }
+
+private:
+ // Prohibit copy constructor & assignment operator.
+ FileWriteStream(const FileWriteStream&);
+ FileWriteStream& operator=(const FileWriteStream&);
+
+ FILE* fp_;
+ char *buffer_;
+ char *bufferEnd_;
+ char *current_;
+};
+
+//! Implement specialized version of PutN() with memset() for better performance.
+template<>
+inline void PutN(FileWriteStream& stream, char c, size_t n) {
+ stream.PutN(c, n);
+}
+
+} // namespace rapidjson
+
+#endif // RAPIDJSON_FILESTREAM_H_
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