Warning, /include/c++/v1/__cxx03/strstream is written in an unsupported language. File is not indexed.
0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP___CXX03_STRSTREAM
0011 #define _LIBCPP___CXX03_STRSTREAM
0012
0013 /*
0014 strstream synopsis
0015
0016 class strstreambuf // Removed in C++26
0017 : public basic_streambuf<char>
0018 {
0019 public:
0020 explicit strstreambuf(streamsize alsize_arg = 0); // before C++20
0021 strstreambuf() : strstreambuf(0) {} // C++20
0022 explicit strstreambuf(streamsize alsize_arg); // C++20
0023
0024 strstreambuf(void* (*palloc_arg)(size_t), void (*pfree_arg)(void*));
0025 strstreambuf(char* gnext_arg, streamsize n, char* pbeg_arg = nullptr);
0026 strstreambuf(const char* gnext_arg, streamsize n);
0027
0028 strstreambuf(signed char* gnext_arg, streamsize n, signed char* pbeg_arg = nullptr);
0029 strstreambuf(const signed char* gnext_arg, streamsize n);
0030 strstreambuf(unsigned char* gnext_arg, streamsize n, unsigned char* pbeg_arg = nullptr);
0031 strstreambuf(const unsigned char* gnext_arg, streamsize n);
0032
0033 strstreambuf(strstreambuf&& rhs);
0034 strstreambuf& operator=(strstreambuf&& rhs);
0035
0036 virtual ~strstreambuf();
0037
0038 void swap(strstreambuf& rhs);
0039
0040 void freeze(bool freezefl = true);
0041 char* str();
0042 int pcount() const;
0043
0044 protected:
0045 virtual int_type overflow (int_type c = EOF);
0046 virtual int_type pbackfail(int_type c = EOF);
0047 virtual int_type underflow();
0048 virtual pos_type seekoff(off_type off, ios_base::seekdir way,
0049 ios_base::openmode which = ios_base::in | ios_base::out);
0050 virtual pos_type seekpos(pos_type sp,
0051 ios_base::openmode which = ios_base::in | ios_base::out);
0052 virtual streambuf* setbuf(char* s, streamsize n);
0053
0054 private:
0055 typedef T1 strstate; // exposition only
0056 static const strstate allocated; // exposition only
0057 static const strstate constant; // exposition only
0058 static const strstate dynamic; // exposition only
0059 static const strstate frozen; // exposition only
0060 strstate strmode; // exposition only
0061 streamsize alsize; // exposition only
0062 void* (*palloc)(size_t); // exposition only
0063 void (*pfree)(void*); // exposition only
0064 };
0065
0066 class istrstream // Removed in C++26
0067 : public basic_istream<char>
0068 {
0069 public:
0070 explicit istrstream(const char* s);
0071 explicit istrstream(char* s);
0072 istrstream(const char* s, streamsize n);
0073 istrstream(char* s, streamsize n);
0074
0075 virtual ~istrstream();
0076
0077 strstreambuf* rdbuf() const;
0078 char *str();
0079
0080 private:
0081 strstreambuf sb; // exposition only
0082 };
0083
0084 class ostrstream // Removed in C++26
0085 : public basic_ostream<char>
0086 {
0087 public:
0088 ostrstream();
0089 ostrstream(char* s, int n, ios_base::openmode mode = ios_base::out);
0090
0091 virtual ~ostrstream();
0092
0093 strstreambuf* rdbuf() const;
0094 void freeze(bool freezefl = true);
0095 char* str();
0096 int pcount() const;
0097
0098 private:
0099 strstreambuf sb; // exposition only
0100 };
0101
0102 class strstream // Removed in C++26
0103 : public basic_iostream<char>
0104 {
0105 public:
0106 // Types
0107 typedef char char_type;
0108 typedef char_traits<char>::int_type int_type;
0109 typedef char_traits<char>::pos_type pos_type;
0110 typedef char_traits<char>::off_type off_type;
0111
0112 // constructors/destructor
0113 strstream();
0114 strstream(char* s, int n, ios_base::openmode mode = ios_base::in | ios_base::out);
0115
0116 virtual ~strstream();
0117
0118 // Members:
0119 strstreambuf* rdbuf() const;
0120 void freeze(bool freezefl = true);
0121 int pcount() const;
0122 char* str();
0123
0124 private:
0125 strstreambuf sb; // exposition only
0126 };
0127
0128 } // std
0129
0130 */
0131
0132 #include <__cxx03/__config>
0133 #include <__cxx03/istream>
0134 #include <__cxx03/ostream>
0135 #include <__cxx03/version>
0136
0137 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0138 # pragma GCC system_header
0139 #endif
0140
0141 #if _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM) || defined(_LIBCPP_BUILDING_LIBRARY)
0142
0143 _LIBCPP_PUSH_MACROS
0144 # include <__cxx03/__undef_macros>
0145
0146 _LIBCPP_BEGIN_NAMESPACE_STD
0147
0148 class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI strstreambuf : public streambuf {
0149 public:
0150 # ifndef _LIBCPP_CXX03_LANG
0151 _LIBCPP_HIDE_FROM_ABI strstreambuf() : strstreambuf(0) {}
0152 explicit strstreambuf(streamsize __alsize);
0153 # else
0154 explicit strstreambuf(streamsize __alsize = 0);
0155 # endif
0156 strstreambuf(void* (*__palloc)(size_t), void (*__pfree)(void*));
0157 strstreambuf(char* __gnext, streamsize __n, char* __pbeg = nullptr);
0158 strstreambuf(const char* __gnext, streamsize __n);
0159
0160 strstreambuf(signed char* __gnext, streamsize __n, signed char* __pbeg = nullptr);
0161 strstreambuf(const signed char* __gnext, streamsize __n);
0162 strstreambuf(unsigned char* __gnext, streamsize __n, unsigned char* __pbeg = nullptr);
0163 strstreambuf(const unsigned char* __gnext, streamsize __n);
0164
0165 # ifndef _LIBCPP_CXX03_LANG
0166 _LIBCPP_HIDE_FROM_ABI strstreambuf(strstreambuf&& __rhs);
0167 _LIBCPP_HIDE_FROM_ABI strstreambuf& operator=(strstreambuf&& __rhs);
0168 # endif // _LIBCPP_CXX03_LANG
0169
0170 ~strstreambuf() override;
0171
0172 void swap(strstreambuf& __rhs);
0173
0174 void freeze(bool __freezefl = true);
0175 char* str();
0176 int pcount() const;
0177
0178 protected:
0179 int_type overflow(int_type __c = EOF) override;
0180 int_type pbackfail(int_type __c = EOF) override;
0181 int_type underflow() override;
0182 pos_type
0183 seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmode __which = ios_base::in | ios_base::out) override;
0184 pos_type seekpos(pos_type __sp, ios_base::openmode __which = ios_base::in | ios_base::out) override;
0185
0186 private:
0187 typedef unsigned __mode_type;
0188 static const __mode_type __allocated = 0x01;
0189 static const __mode_type __constant = 0x02;
0190 static const __mode_type __dynamic = 0x04;
0191 static const __mode_type __frozen = 0x08;
0192 static const streamsize __default_alsize = 4096;
0193
0194 __mode_type __strmode_;
0195 streamsize __alsize_;
0196 void* (*__palloc_)(size_t);
0197 void (*__pfree_)(void*);
0198
0199 void __init(char* __gnext, streamsize __n, char* __pbeg);
0200 };
0201
0202 # ifndef _LIBCPP_CXX03_LANG
0203
0204 inline _LIBCPP_HIDE_FROM_ABI strstreambuf::strstreambuf(strstreambuf&& __rhs)
0205 : streambuf(__rhs),
0206 __strmode_(__rhs.__strmode_),
0207 __alsize_(__rhs.__alsize_),
0208 __palloc_(__rhs.__palloc_),
0209 __pfree_(__rhs.__pfree_) {
0210 __rhs.setg(nullptr, nullptr, nullptr);
0211 __rhs.setp(nullptr, nullptr);
0212 }
0213
0214 inline _LIBCPP_HIDE_FROM_ABI strstreambuf& strstreambuf::operator=(strstreambuf&& __rhs) {
0215 if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0) {
0216 if (__pfree_)
0217 __pfree_(eback());
0218 else
0219 delete[] eback();
0220 }
0221 streambuf::operator=(__rhs);
0222 __strmode_ = __rhs.__strmode_;
0223 __alsize_ = __rhs.__alsize_;
0224 __palloc_ = __rhs.__palloc_;
0225 __pfree_ = __rhs.__pfree_;
0226 __rhs.setg(nullptr, nullptr, nullptr);
0227 __rhs.setp(nullptr, nullptr);
0228 return *this;
0229 }
0230
0231 # endif // _LIBCPP_CXX03_LANG
0232
0233 class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI istrstream : public istream {
0234 public:
0235 _LIBCPP_HIDE_FROM_ABI explicit istrstream(const char* __s) : istream(&__sb_), __sb_(__s, 0) {}
0236 _LIBCPP_HIDE_FROM_ABI explicit istrstream(char* __s) : istream(&__sb_), __sb_(__s, 0) {}
0237 _LIBCPP_HIDE_FROM_ABI istrstream(const char* __s, streamsize __n) : istream(&__sb_), __sb_(__s, __n) {}
0238 _LIBCPP_HIDE_FROM_ABI istrstream(char* __s, streamsize __n) : istream(&__sb_), __sb_(__s, __n) {}
0239
0240 # ifndef _LIBCPP_CXX03_LANG
0241 _LIBCPP_HIDE_FROM_ABI istrstream(istrstream&& __rhs) // extension
0242 : istream(std::move(static_cast<istream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
0243 istream::set_rdbuf(&__sb_);
0244 }
0245
0246 _LIBCPP_HIDE_FROM_ABI istrstream& operator=(istrstream&& __rhs) {
0247 __sb_ = std::move(__rhs.__sb_);
0248 istream::operator=(std::move(__rhs));
0249 return *this;
0250 }
0251 # endif // _LIBCPP_CXX03_LANG
0252
0253 ~istrstream() override;
0254
0255 _LIBCPP_HIDE_FROM_ABI void swap(istrstream& __rhs) {
0256 istream::swap(__rhs);
0257 __sb_.swap(__rhs.__sb_);
0258 }
0259
0260 _LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
0261 _LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
0262
0263 private:
0264 strstreambuf __sb_;
0265 };
0266
0267 class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI ostrstream : public ostream {
0268 public:
0269 _LIBCPP_HIDE_FROM_ABI ostrstream() : ostream(&__sb_) {}
0270 _LIBCPP_HIDE_FROM_ABI ostrstream(char* __s, int __n, ios_base::openmode __mode = ios_base::out)
0271 : ostream(&__sb_), __sb_(__s, __n, __s + (__mode & ios::app ? std::strlen(__s) : 0)) {}
0272
0273 # ifndef _LIBCPP_CXX03_LANG
0274 _LIBCPP_HIDE_FROM_ABI ostrstream(ostrstream&& __rhs) // extension
0275 : ostream(std::move(static_cast<ostream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
0276 ostream::set_rdbuf(&__sb_);
0277 }
0278
0279 _LIBCPP_HIDE_FROM_ABI ostrstream& operator=(ostrstream&& __rhs) {
0280 __sb_ = std::move(__rhs.__sb_);
0281 ostream::operator=(std::move(__rhs));
0282 return *this;
0283 }
0284 # endif // _LIBCPP_CXX03_LANG
0285
0286 ~ostrstream() override;
0287
0288 _LIBCPP_HIDE_FROM_ABI void swap(ostrstream& __rhs) {
0289 ostream::swap(__rhs);
0290 __sb_.swap(__rhs.__sb_);
0291 }
0292
0293 _LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
0294 _LIBCPP_HIDE_FROM_ABI void freeze(bool __freezefl = true) { __sb_.freeze(__freezefl); }
0295 _LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
0296 _LIBCPP_HIDE_FROM_ABI int pcount() const { return __sb_.pcount(); }
0297
0298 private:
0299 strstreambuf __sb_; // exposition only
0300 };
0301
0302 class _LIBCPP_DEPRECATED _LIBCPP_EXPORTED_FROM_ABI strstream : public iostream {
0303 public:
0304 // Types
0305 typedef char char_type;
0306 typedef char_traits<char>::int_type int_type;
0307 typedef char_traits<char>::pos_type pos_type;
0308 typedef char_traits<char>::off_type off_type;
0309
0310 // constructors/destructor
0311 _LIBCPP_HIDE_FROM_ABI strstream() : iostream(&__sb_) {}
0312 _LIBCPP_HIDE_FROM_ABI strstream(char* __s, int __n, ios_base::openmode __mode = ios_base::in | ios_base::out)
0313 : iostream(&__sb_), __sb_(__s, __n, __s + (__mode & ios::app ? std::strlen(__s) : 0)) {}
0314
0315 # ifndef _LIBCPP_CXX03_LANG
0316 _LIBCPP_HIDE_FROM_ABI strstream(strstream&& __rhs) // extension
0317 : iostream(std::move(static_cast<iostream&>(__rhs))), __sb_(std::move(__rhs.__sb_)) {
0318 iostream::set_rdbuf(&__sb_);
0319 }
0320
0321 _LIBCPP_HIDE_FROM_ABI strstream& operator=(strstream&& __rhs) {
0322 __sb_ = std::move(__rhs.__sb_);
0323 iostream::operator=(std::move(__rhs));
0324 return *this;
0325 }
0326 # endif // _LIBCPP_CXX03_LANG
0327
0328 ~strstream() override;
0329
0330 _LIBCPP_HIDE_FROM_ABI void swap(strstream& __rhs) {
0331 iostream::swap(__rhs);
0332 __sb_.swap(__rhs.__sb_);
0333 }
0334
0335 // Members:
0336 _LIBCPP_HIDE_FROM_ABI strstreambuf* rdbuf() const { return const_cast<strstreambuf*>(&__sb_); }
0337 _LIBCPP_HIDE_FROM_ABI void freeze(bool __freezefl = true) { __sb_.freeze(__freezefl); }
0338 _LIBCPP_HIDE_FROM_ABI int pcount() const { return __sb_.pcount(); }
0339 _LIBCPP_HIDE_FROM_ABI char* str() { return __sb_.str(); }
0340
0341 private:
0342 strstreambuf __sb_; // exposition only
0343 };
0344
0345 _LIBCPP_END_NAMESPACE_STD
0346
0347 _LIBCPP_POP_MACROS
0348
0349 #endif // _LIBCPP_STD_VER < 26 || defined(_LIBCPP_ENABLE_CXX26_REMOVED_STRSTREAM) || defined(_LIBCPP_BUILDING_LIBRARY)
0350
0351 #endif // _LIBCPP___CXX03_STRSTREAM
