You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
2.4 KiB
106 lines
2.4 KiB
9 years ago
|
// Generic*Stream code from https://code.google.com/p/rapidjson/issues/detail?id=20
|
||
|
|
#ifndef RAPIDJSON_GENERICSTREAM_H_
|
||
|
|
#define RAPIDJSON_GENERICSTREAM_H_
|
||
|
|
|
||
|
|
#include "rapidjson.h"
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#pragma warning(push)
|
||
|
|
#pragma warning(disable: 4127) // conditional expression is constant
|
||
|
|
#pragma warning(disable: 4512) // assignment operator could not be generated
|
||
|
|
#pragma warning(disable: 4100) // unreferenced formal parameter
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace rapidjson {
|
||
|
|
|
||
|
|
//! Wrapper of std::istream for input.
|
||
|
|
class GenericReadStream {
|
||
|
|
public:
|
||
|
|
typedef char Ch; //!< Character type (byte).
|
||
|
|
|
||
|
|
//! Constructor.
|
||
|
|
/*!
|
||
|
|
\param is Input stream.
|
||
|
|
*/
|
||
|
|
GenericReadStream(std::istream & is) : is_(&is) {
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
Ch Peek() const {
|
||
|
|
if(is_->eof()) return '\0';
|
||
|
|
return static_cast<char>(is_->peek());
|
||
|
|
}
|
||
|
|
|
||
|
|
Ch Take() {
|
||
|
|
if(is_->eof()) return '\0';
|
||
|
|
return static_cast<char>(is_->get());
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t Tell() const {
|
||
|
|
return (int)is_->tellg();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Not implemented
|
||
|
|
void Put(Ch) { RAPIDJSON_ASSERT(false); }
|
||
|
|
void Flush() { RAPIDJSON_ASSERT(false); }
|
||
|
|
Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
|
||
|
|
size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
|
||
|
|
|
||
|
|
std::istream * is_;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//! Wrapper of std::ostream for output.
|
||
|
|
class GenericWriteStream {
|
||
|
|
public:
|
||
|
|
typedef char Ch; //!< Character type. Only support char.
|
||
|
|
|
||
|
|
//! Constructor
|
||
|
|
/*!
|
||
|
|
\param os Output stream.
|
||
|
|
*/
|
||
|
|
GenericWriteStream(std::ostream& os) : os_(os) {
|
||
|
|
}
|
||
|
|
|
||
|
|
void Put(char c) {
|
||
|
|
os_.put(c);
|
||
|
|
}
|
||
|
|
|
||
|
|
void PutN(char c, size_t n) {
|
||
|
|
for (size_t i = 0; i < n; ++i) {
|
||
|
|
Put(c);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void Flush() {
|
||
|
|
os_.flush();
|
||
|
|
}
|
||
|
|
|
||
|
|
size_t Tell() const {
|
||
|
|
return (int)os_.tellp();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Not implemented
|
||
|
|
char Peek() const { RAPIDJSON_ASSERT(false); }
|
||
|
|
char Take() { RAPIDJSON_ASSERT(false); }
|
||
|
|
char* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
|
||
|
|
size_t PutEnd(char*) { RAPIDJSON_ASSERT(false); return 0; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
std::ostream& os_;
|
||
|
|
};
|
||
|
|
|
||
|
|
template<>
|
||
|
|
inline void PutN(GenericWriteStream& stream, char c, size_t n) {
|
||
|
|
stream.PutN(c, n);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace rapidjson
|
||
|
|
|
||
|
|
// On MSVC, restore warnings state
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#pragma warning(pop)
|
||
|
|
#endif
|
||
|
|
#endif // RAPIDJSON_GENERICSTREAM_H_
|