5 #ifndef CRYPTOPP_IMPORTS 13 ANONYMOUS_NAMESPACE_BEGIN
18 class IosExceptionMask
21 IosExceptionMask(std::istream& stream) : m_stream(stream) {
22 m_mask = m_stream.exceptions();
23 m_stream.exceptions(static_cast<std::ios::iostate>(0));
26 IosExceptionMask(std::istream& stream, std::ios::iostate newMask) : m_stream(stream) {
27 m_mask = m_stream.exceptions();
28 m_stream.exceptions(newMask);
32 m_stream.exceptions(m_mask);
36 std::istream& m_stream;
37 std::ios::iostate m_mask;
40 ANONYMOUS_NAMESPACE_END
44 #if defined(CRYPTOPP_DEBUG) && !defined(CRYPTOPP_DOXYGEN_PROCESSING) 45 void Files_TestInstantiations()
59 const char *fileName = NULLPTR;
60 #if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 61 const wchar_t *fileNameWide = NULLPTR;
71 m_file.reset(
new std::ifstream);
72 #ifdef CRYPTOPP_UNIX_AVAILABLE 75 fileName = (narrowed =
StringNarrow(fileNameWide)).c_str();
80 m_file->open(fileNameWide, std::ios::in | binary);
87 m_file->open(fileName, std::ios::in | binary);
89 throw OpenErr(fileName);
91 m_stream = m_file.get();
100 IosExceptionMask guard(*m_stream);
104 std::streampos current = m_stream->tellg();
105 std::streampos end = m_stream->seekg(0, std::ios::end).tellg();
107 m_stream->seekg(current);
112 if (end == static_cast<std::streampos>(-1))
126 lword size=transferBytes;
132 size_t spaceSize, blockedBytes;
133 while (size && m_stream->good())
137 m_stream->read((
char *)m_space, (std::streamsize)
STDMIN(size, (
lword)spaceSize));
138 m_len = (size_t)m_stream->gcount();
142 m_waiting = blockedBytes > 0;
146 transferBytes += m_len;
149 if (!m_stream->good() && !m_stream->eof())
160 if (begin == 0 && end == 1)
162 int result = m_stream->peek();
163 if (result == std::char_traits<char>::eof())
167 size_t blockedBytes = target.
ChannelPut(channel,
byte(result), blocking);
168 begin += 1-blockedBytes;
174 std::streampos current = m_stream->tellg();
175 std::streampos endPosition = m_stream->seekg(0, std::ios::end).tellg();
176 std::streampos newPosition = current +
static_cast<std::streamoff
>(begin);
178 if (newPosition >= endPosition)
180 m_stream->seekg(current);
183 m_stream->seekg(newPosition);
187 lword copyMax = end-begin;
188 size_t blockedBytes =
const_cast<FileStore *
>(
this)->
TransferTo2(target, copyMax, channel, blocking);
192 const_cast<FileStore *
>(
this)->m_waiting =
false;
199 m_stream->seekg(current);
203 m_stream->seekg(current);
213 lword oldPos = m_stream->tellg();
214 std::istream::off_type offset;
217 m_stream->seekg(offset, std::ios::cur);
218 return (
lword)m_stream->tellg() - oldPos;
226 const char *fileName = NULLPTR;
227 #if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 228 const wchar_t *fileNameWide = NULLPTR;
238 m_file.reset(
new std::ofstream);
239 #ifdef CRYPTOPP_UNIX_AVAILABLE 240 std::string narrowed;
242 fileName = (narrowed =
StringNarrow(fileNameWide)).c_str();
243 #elif (CRYPTOPP_MSC_VERSION >= 1400) 246 m_file->open(fileNameWide, std::ios::out | std::ios::trunc | binary);
253 m_file->open(fileName, std::ios::out | std::ios::trunc | binary);
255 throw OpenErr(fileName);
257 m_stream = m_file.get();
262 CRYPTOPP_UNUSED(hardFlush), CRYPTOPP_UNUSED(blocking);
264 throw Err(
"FileSink: output stream not opened");
267 if (!m_stream->good())
273 size_t FileSink::Put2(
const byte *inString,
size_t length,
int messageEnd,
bool blocking)
275 CRYPTOPP_UNUSED(blocking);
277 throw Err(
"FileSink: output stream not opened");
281 std::streamsize size;
283 size = ((std::numeric_limits<std::streamsize>::max)());
284 m_stream->write((
const char *)inString, size);
286 length -= (size_t)size;
292 if (!m_stream->good())
An invalid argument was detected.
std::string StringNarrow(const wchar_t *str, bool throwOnError=true)
Converts a wide character C-string to a multibyte string.
const char * InputFileNameWide()
const wchar_t *
bool SafeConvert(T1 from, T2 &to)
Tests whether a conversion from -> to is safe to perform.
T GetValueWithDefault(const char *name, T defaultValue) const
Get a named value.
size_t TransferTo2(BufferedTransformation &target, lword &transferBytes, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true)
Transfer bytes from this object to another BufferedTransformation.
Implementation of Store interface.
const char * OutputStreamPointer()
std::ostream *
const char * InputFileName()
const char *
size_t Put2(const byte *inString, size_t length, int messageEnd, bool blocking)
Input multiple bytes for processing.
bool IsolatedFlush(bool hardFlush, bool blocking)
Flushes data buffered by this object, without signal propagation.
const char * InputStreamPointer()
std::istream *
const char * OutputBinaryMode()
bool
lword Skip(lword skipMax=ULONG_MAX)
Discard skipMax bytes from the output buffer.
const char * OutputFileName()
const char *
const T1 UnsignedMin(const T1 &a, const T2 &b)
Safe comparison of values that could be negative and incorrectly promoted.
const T & STDMIN(const T &a, const T &b)
Replacement function for std::min.
#define CRYPTOPP_ASSERT(exp)
Debugging and diagnostic assertion.
Implementation of Store interface.
word64 lword
Large word type.
unsigned char byte
8-bit unsigned datatype
size_t CopyRangeTo2(BufferedTransformation &target, lword &begin, lword end=LWORD_MAX, const std::string &channel=DEFAULT_CHANNEL, bool blocking=true) const
Copy bytes from this object to another BufferedTransformation.
const lword LWORD_MAX
Large word type max value.
void IsolatedInitialize(const NameValuePairs ¶meters)
Initialize or reinitialize this object, without signal propagation.
Classes providing file-based library services.
Crypto++ library namespace.
bool GetValue(const char *name, T &value) const
Get a named value.
const char * InputBinaryMode()
bool
lword MaxRetrievable() const
Provides the number of bytes ready for retrieval.
byte * HelpCreatePutSpace(BufferedTransformation &target, const std::string &channel, size_t minSize, size_t desiredSize, size_t &bufferSize)
Create a working space in a BufferedTransformation.
Implementation of Store interface.
const char * OutputFileNameWide()
const wchar_t *
#define SIZE_MAX
The maximum value of a machine word.
Interface for retrieving values given their names.