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