| // 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_FILESTREAM_H_ |
| #define RAPIDJSON_FILESTREAM_H_ |
| |
| #include "rapidjson.h" |
| #include <cstdio> |
| |
| RAPIDJSON_NAMESPACE_BEGIN |
| |
| //! (Deprecated) Wrapper of C file stream for input or output. |
| /*! |
| This simple wrapper does not check the validity of the stream. |
| \note implements Stream concept |
| \note deprecated: This was only for basic testing in version 0.1, it is found that the performance is very low by using fgetc(). Use FileReadStream instead. |
| */ |
| class FileStream { |
| public: |
| typedef char Ch; //!< Character type. Only support char. |
| |
| FileStream(std::FILE* fp) : fp_(fp), current_('\0'), count_(0) { Read(); } |
| char Peek() const { return current_; } |
| char Take() { char c = current_; Read(); return c; } |
| size_t Tell() const { return count_; } |
| void Put(char c) { fputc(c, fp_); } |
| void Flush() { fflush(fp_); } |
| |
| // Not implemented |
| char* PutBegin() { return 0; } |
| size_t PutEnd(char*) { return 0; } |
| |
| private: |
| // Prohibit copy constructor & assignment operator. |
| FileStream(const FileStream&); |
| FileStream& operator=(const FileStream&); |
| |
| void Read() { |
| RAPIDJSON_ASSERT(fp_ != 0); |
| int c = fgetc(fp_); |
| if (c != EOF) { |
| current_ = (char)c; |
| count_++; |
| } |
| else if (current_ != '\0') |
| current_ = '\0'; |
| } |
| |
| std::FILE* fp_; |
| char current_; |
| size_t count_; |
| }; |
| |
| RAPIDJSON_NAMESPACE_END |
| |
| #endif // RAPIDJSON_FILESTREAM_H_ |