// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_STRSTREAM
#define _LIBCPP_STRSTREAM
/*
strstream synopsis
class strstreambuf // Removed in C++26
: public basic_streambuf<char>
{
public:
explicit strstreambuf(streamsize alsize_arg = 0); // before C++20
strstreambuf() : strstreambuf(0) {} // C++20
explicit strstreambuf(streamsize alsize_arg); // C++20
strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*));
strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = nullptr);
strstreambuf(const char* gnext_arg, streamsize n);
strstreambuf(signed char* gnext_arg, streamsize n, signed char* pbeg_arg = nullptr);
strstreambuf(const signed char* gnext_arg, streamsize n);
strstreambuf(unsigned char* gnext_arg, streamsize n, unsigned char* pbeg_arg = nullptr);
strstreambuf(const unsigned char* gnext_arg, streamsize n);
strstreambuf(strstreambuf&& rhs);
strstreambuf& operator=(strstreambuf&& rhs);
virtual ~strstreambuf();
void swap(strstreambuf& rhs);
void freeze(bool freezefl = true);
char* str();
int pcount() const;
protected:
virtual int_type overflow (int_type c = EOF);
virtual int_type pbackfail(int_type c = EOF);
virtual int_type underflow();
virtual pos_type seekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual pos_type seekpos(pos_type sp,
ios_base::openmode which = ios_base::in | ios_base::out);
virtual streambuf* setbuf(char* s, streamsize n);
private:
typedef T1 strstate; // exposition only
static const strstate allocated; // exposition only
static const strstate constant; // exposition only
static const strstate dynamic; // exposition only
static const strstate frozen; // exposition only
strstate strmode; // exposition only
streamsize alsize; // exposition only
void* (*palloc)(size_t); // exposition only
void (*pfree)(void*); // exposition only
};
class istrstream // Removed in C++26
: public basic_istream<char>
{
public:
explicit istrstream(const char* s);
explicit istrstream(char* s);
istrstream(const char* s, streamsize n);
istrstream(char* s, streamsize n);
virtual ~istrstream();
strstreambuf* rdbuf() const;
char *str();
private:
strstreambuf sb; // exposition only
};
class ostrstream // Removed in C++26
: public basic_ostream<char>
{
public:
ostrstream();
ostrstream(char* s, int n, ios_base::openmode mode = ios_base::out);
virtual ~ostrstream();
strstreambuf* rdbuf() const;
void freeze(bool freezefl = true);
char* str();
int pcount() const;
private:
strstreambuf sb; // exposition only
};
class strstream // Removed in C++26
: public basic_iostream<char>
{
public:
// Types
typedef char char_type;
typedef char_traits<char>::int_type int_type;
typedef char_traits<char>::pos_type pos_type;
typedef char_traits<char>::off_type off_type;
// constructors/destructor
strstream();
strstream(char* s, int n, ios_base::openmode mode = ios_base::in | ios_base::out);
virtual ~strstream();
// Members:
strstreambuf* rdbuf() const;
void freeze(bool freezefl = true);
int pcount() const;
char* str();
private:
strstreambuf sb; // exposition only
};
} // std
*/
#include <__config>
#include <istream>
#include <ostream>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM) || defined(_LIBCPP_BUILDING_LIBRARY)
_LIBCPP_PUSH_MACROS
# include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI strstreambuf : public streambuf {
public:
# ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI strstreambuf() : strstreambuf(0) {}
explicit strstreambuf(streamsize __alsize);
# else
explicit strstreambuf(streamsize __alsize = 0);
# endif
strstreambuf(void* (*__palloc)(size_t), void (*__pfree)(void*));
strstreambuf(char* __gnext, streamsize __n, char* __pbeg = nullptr);
strstreambuf(const char* __gnext, streamsize __n);
strstreambuf(signed char* __gnext, streamsize __n, signed char* __pbeg = nullptr);
strstreambuf(const signed char* __gnext, streamsize __n);
strstreambuf(unsigned char* __gnext, streamsize __n, unsigned char* __pbeg = nullptr);
strstreambuf(const unsigned char* __gnext, streamsize __n);
# ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI strstreambuf(strstreambuf&& __rhs);
_LIBCPP_HIDE_FROM_ABI strstreambuf& operator=(strstreambuf&& __rhs);
# endif // _LIBCPP_CXX03_LANG
~strstreambuf() override;
void swap(strstreambuf& __rhs);
void freeze(bool __freezefl = true);
char* str();
int pcount() const;
protected:
int_type overflow(int_type __c = EOF) override;
int_type pbackfail(int_type __c = EOF) override;
int_type underflow() override;
pos_type
seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __which = ios_base::in | ios_base::out) override;
pos_type seekpos(pos_type __sp, ios_base::openmode __which = ios_base::in | ios_base::out) override;
private:
typedef unsigned __mode_type;
static const __mode_type __allocated = 0x01;
static const __mode_type __constant = 0x02;
static const __mode_type __dynamic = 0x04;
static const __mode_type __frozen = 0x08;
static const streamsize __default_alsize = 4096;
__mode_type __strmode_;
streamsize __alsize_;
void* (*__palloc_)(size_t);
void (*__pfree_)(void*);
void __init(char* __gnext, streamsize __n, char* __pbeg);
};
# ifndef _LIBCPP_CXX03_LANG
inline _LIBCPP_HIDE_FROM_ABI strstreambuf::strstreambuf(strstreambuf&& __rhs)
: streambuf(__rhs),
__strmode_(__rhs.__strmode_),
__alsize_(__rhs.__alsize_),
__palloc_(__rhs.__palloc_),
__pfree_(__rhs.__pfree_) {
__rhs.setg(nullptr, nullptr, nullptr);
__rhs.setp(nullptr, nullptr);
}
inline _LIBCPP_HIDE_FROM_ABI strstreambuf& strstreambuf::operator=(strstreambuf&& __rhs) {
if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0) {
if (__pfree_)
__pfree_(eback());
else
delete[] eback();
}
streambuf::operator=(__rhs);
__strmode_ = __rhs.__strmode_;
__alsize_ = __rhs.__alsize_;
__palloc_ = __rhs.__palloc_;
__pfree_ = __rhs.__pfree_;
__rhs.setg(nullptr, nullptr, nullptr);
__rhs.setp(nullptr, nullptr);
return *this;
}
# endif // _LIBCPP_CXX03_LANG
class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI istrstream : public istream {
public:
_LIBCPP_HIDE_FROM_ABI explicit istrstream(const char* __s) : istream(&__sb_), __sb_(__s, 0) {}
_LIBCPP_HIDE_FROM_ABI explicit istrstream(char* __s) : istream(&__sb_), __sb_(__s, 0) {}
_LIBCPP_HIDE_FROM_ABI istrstream(const char* __s, streamsize __n) : istream(&__sb_), __sb_(__s, __n) {}
_LIBCPP_HIDE_FROM_ABI istrstream(char* __s, streamsize __n) : istream(&__sb_), __sb_(__s, __n) {}
# ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI istrstream(istrstream&& __rhs) // extension
: istream(std::move(static_cast<istream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
istream::set_rdbuf(&__sb_);
}
_LIBCPP_HIDE_FROM_ABI istrstream& operator=(istrstream&& __rhs) {
__sb_ = std::move(__rhs.__sb_);
istream::operator=(std::move(__rhs));
return *this;
}
# endif // _LIBCPP_CXX03_LANG
~istrstream() override;
_LIBCPP_HIDE_FROM_ABI void swap(istrstream& __rhs) {
istream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
_LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
_LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
private:
strstreambuf __sb_;
};
class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI ostrstream : public ostream {
public:
_LIBCPP_HIDE_FROM_ABI ostrstream() : ostream(&__sb_) {}
_LIBCPP_HIDE_FROM_ABI ostrstream(char* __s, int __n, ios_base::openmode __mode = ios_base::out)
: ostream(&__sb_), __sb_(__s, __n, __s + (__mode & ios::app ? std::strlen(__s) : 0)) {}
# ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI ostrstream(ostrstream&& __rhs) // extension
: ostream(std::move(static_cast<ostream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
ostream::set_rdbuf(&__sb_);
}
_LIBCPP_HIDE_FROM_ABI ostrstream& operator=(ostrstream&& __rhs) {
__sb_ = std::move(__rhs.__sb_);
ostream::operator=(std::move(__rhs));
return *this;
}
# endif // _LIBCPP_CXX03_LANG
~ostrstream() override;
_LIBCPP_HIDE_FROM_ABI void swap(ostrstream& __rhs) {
ostream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
_LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
_LIBCPP_HIDE_FROM_ABI void freeze(bool __freezefl = true) { __sb_.freeze(__freezefl); }
_LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
_LIBCPP_HIDE_FROM_ABI int pcount() const { return __sb_.pcount(); }
private:
strstreambuf __sb_; // exposition only
};
class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI strstream : public iostream {
public:
// Types
typedef char char_type;
typedef char_traits<char>::int_type int_type;
typedef char_traits<char>::pos_type pos_type;
typedef char_traits<char>::off_type off_type;
// constructors/destructor
_LIBCPP_HIDE_FROM_ABI strstream() : iostream(&__sb_) {}
_LIBCPP_HIDE_FROM_ABI strstream(char* __s, int __n, ios_base::openmode __mode = ios_base::in | ios_base::out)
: iostream(&__sb_), __sb_(__s, __n, __s + (__mode & ios::app ? std::strlen(__s) : 0)) {}
# ifndef _LIBCPP_CXX03_LANG
_LIBCPP_HIDE_FROM_ABI strstream(strstream&& __rhs) // extension
: iostream(std::move(static_cast<iostream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
iostream::set_rdbuf(&__sb_);
}
_LIBCPP_HIDE_FROM_ABI strstream& operator=(strstream&& __rhs) {
__sb_ = std::move(__rhs.__sb_);
iostream::operator=(std::move(__rhs));
return *this;
}
# endif // _LIBCPP_CXX03_LANG
~strstream() override;
_LIBCPP_HIDE_FROM_ABI void swap(strstream& __rhs) {
iostream::swap(__rhs);
__sb_.swap(__rhs.__sb_);
}
// Members:
_LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
_LIBCPP_HIDE_FROM_ABI void freeze(bool __freezefl = true) { __sb_.freeze(__freezefl); }
_LIBCPP_HIDE_FROM_ABI int pcount() const { return __sb_.pcount(); }
_LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
private:
strstreambuf __sb_; // exposition only
};
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM) || defined(_LIBCPP_BUILDING_LIBRARY)
#endif // _LIBCPP_STRSTREAM
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