97 lines
2 KiB
C++
97 lines
2 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file fakestringstream.h
|
|
* @author cary
|
|
* @date 1999-02-04
|
|
*/
|
|
|
|
#ifndef FAKESTRINGSTREAM_H
|
|
#define FAKESTRINGSTREAM_H
|
|
|
|
#include <strstream.h>
|
|
#include <string.h>
|
|
#include <string>
|
|
|
|
class fake_istream_buffer {
|
|
public:
|
|
fake_istream_buffer() {
|
|
_len = 0;
|
|
_str = "";
|
|
}
|
|
fake_istream_buffer(const std::string &source) {
|
|
_len = source.length();
|
|
if (_len == 0) {
|
|
_str = "";
|
|
} else {
|
|
_str = new char[_len];
|
|
memcpy(_str, source.data(), _len);
|
|
}
|
|
}
|
|
~fake_istream_buffer() {
|
|
if (_len != 0) {
|
|
delete[] _str;
|
|
}
|
|
}
|
|
|
|
int _len;
|
|
char *_str;
|
|
};
|
|
|
|
class std::istringstream : public fake_istream_buffer, public istrstream {
|
|
public:
|
|
std::istringstream(const std::string &input) :
|
|
fake_istream_buffer(input),
|
|
istrstream(_str, _len) { }
|
|
};
|
|
|
|
class std::ostringstream : public ostrstream {
|
|
public:
|
|
std::string str() {
|
|
// We must capture the length before we take the str().
|
|
int length = pcount();
|
|
char *s = ostrstream::str();
|
|
std::string result(s, length);
|
|
delete[] s;
|
|
return result;
|
|
}
|
|
};
|
|
|
|
class stringstream : public fake_istream_buffer, public strstream {
|
|
public:
|
|
stringstream() : strstream() {
|
|
_owns_str = true;
|
|
}
|
|
std::stringstream(const std::string &input) :
|
|
fake_istream_buffer(input),
|
|
strstream(_str, _len, std::ios::in)
|
|
{
|
|
_owns_str = false;
|
|
}
|
|
|
|
// str() doesn't seem to compile cross-platform too reliably--Irix doesn't
|
|
// define pcount() for some reason. On the other hand, why are you calling
|
|
// str() on a stringstream? Just use an ostringstream.
|
|
|
|
/*
|
|
string str() {
|
|
int length = pcount();
|
|
char *s = strstream::str();
|
|
string result(s, length);
|
|
if (_owns_str) {
|
|
delete[] s;
|
|
}
|
|
return result;
|
|
}
|
|
*/
|
|
|
|
private:
|
|
bool _owns_str;
|
|
};
|
|
|
|
#endif
|