diff options
Diffstat (limited to 'test/API/driver/kwsys/IOStream.cxx')
-rw-r--r-- | test/API/driver/kwsys/IOStream.cxx | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/test/API/driver/kwsys/IOStream.cxx b/test/API/driver/kwsys/IOStream.cxx deleted file mode 100644 index e21f87d..0000000 --- a/test/API/driver/kwsys/IOStream.cxx +++ /dev/null @@ -1,255 +0,0 @@ -/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying - file Copyright.txt or https://cmake.org/licensing#kwsys for details. */ -#include "kwsysPrivate.h" -#include KWSYS_HEADER(Configure.hxx) - -// Include the streams library. -#include <iostream> -#include KWSYS_HEADER(IOStream.hxx) - -// Work-around CMake dependency scanning limitation. This must -// duplicate the above list of headers. -#if 0 -# include "Configure.hxx.in" -# include "IOStream.hxx.in" -#endif - -// Implement the rest of this file only if it is needed. -#if KWSYS_IOS_NEED_OPERATORS_LL - -# include <stdio.h> // sscanf, sprintf -# include <string.h> // memchr - -# if defined(_MAX_INT_DIG) -# define KWSYS_IOS_INT64_MAX_DIG _MAX_INT_DIG -# else -# define KWSYS_IOS_INT64_MAX_DIG 32 -# endif - -namespace KWSYS_NAMESPACE { - -// Scan an input stream for an integer value. -static int IOStreamScanStream(std::istream& is, char* buffer) -{ - // Prepare to write to buffer. - char* out = buffer; - char* end = buffer + KWSYS_IOS_INT64_MAX_DIG - 1; - - // Look for leading sign. - if (is.peek() == '+') { - *out++ = '+'; - is.ignore(); - } else if (is.peek() == '-') { - *out++ = '-'; - is.ignore(); - } - - // Determine the base. If not specified in the stream, try to - // detect it from the input. A leading 0x means hex, and a leading - // 0 alone means octal. - int base = 0; - int flags = is.flags() & std::ios_base::basefield; - if (flags == std::ios_base::oct) { - base = 8; - } else if (flags == std::ios_base::dec) { - base = 10; - } else if (flags == std::ios_base::hex) { - base = 16; - } - bool foundDigit = false; - bool foundNonZero = false; - if (is.peek() == '0') { - foundDigit = true; - is.ignore(); - if ((is.peek() == 'x' || is.peek() == 'X') && (base == 0 || base == 16)) { - base = 16; - foundDigit = false; - is.ignore(); - } else if (base == 0) { - base = 8; - } - } - - // Determine the range of digits allowed for this number. - const char* digits = "0123456789abcdefABCDEF"; - int maxDigitIndex = 10; - if (base == 8) { - maxDigitIndex = 8; - } else if (base == 16) { - maxDigitIndex = 10 + 6 + 6; - } - - // Scan until an invalid digit is found. - for (; is.peek() != EOF; is.ignore()) { - if (memchr(digits, *out = (char)is.peek(), maxDigitIndex) != 0) { - if ((foundNonZero || *out != '0') && out < end) { - ++out; - foundNonZero = true; - } - foundDigit = true; - } else { - break; - } - } - - // Correct the buffer contents for degenerate cases. - if (foundDigit && !foundNonZero) { - *out++ = '0'; - } else if (!foundDigit) { - out = buffer; - } - - // Terminate the string in the buffer. - *out = '\0'; - - return base; -} - -// Read an integer value from an input stream. -template <class T> -std::istream& IOStreamScanTemplate(std::istream& is, T& value, char type) -{ - int state = std::ios_base::goodbit; - - // Skip leading whitespace. - std::istream::sentry okay(is); - - if (okay) { - try { - // Copy the string to a buffer and construct the format string. - char buffer[KWSYS_IOS_INT64_MAX_DIG]; -# if defined(_MSC_VER) - char format[] = "%I64_"; - const int typeIndex = 4; -# else - char format[] = "%ll_"; - const int typeIndex = 3; -# endif - switch (IOStreamScanStream(is, buffer)) { - case 8: - format[typeIndex] = 'o'; - break; - case 0: // Default to decimal if not told otherwise. - case 10: - format[typeIndex] = type; - break; - case 16: - format[typeIndex] = 'x'; - break; - }; - - // Use sscanf to parse the number from the buffer. - T result; - int success = (sscanf(buffer, format, &result) == 1) ? 1 : 0; - - // Set flags for resulting state. - if (is.peek() == EOF) { - state |= std::ios_base::eofbit; - } - if (!success) { - state |= std::ios_base::failbit; - } else { - value = result; - } - } catch (...) { - state |= std::ios_base::badbit; - } - } - - is.setstate(std::ios_base::iostate(state)); - return is; -} - -// Print an integer value to an output stream. -template <class T> -std::ostream& IOStreamPrintTemplate(std::ostream& os, T value, char type) -{ - std::ostream::sentry okay(os); - if (okay) { - try { - // Construct the format string. - char format[8]; - char* f = format; - *f++ = '%'; - if (os.flags() & std::ios_base::showpos) { - *f++ = '+'; - } - if (os.flags() & std::ios_base::showbase) { - *f++ = '#'; - } -# if defined(_MSC_VER) - *f++ = 'I'; - *f++ = '6'; - *f++ = '4'; -# else - *f++ = 'l'; - *f++ = 'l'; -# endif - long bflags = os.flags() & std::ios_base::basefield; - if (bflags == std::ios_base::oct) { - *f++ = 'o'; - } else if (bflags != std::ios_base::hex) { - *f++ = type; - } else if (os.flags() & std::ios_base::uppercase) { - *f++ = 'X'; - } else { - *f++ = 'x'; - } - *f = '\0'; - - // Use sprintf to print to a buffer and then write the - // buffer to the stream. - char buffer[2 * KWSYS_IOS_INT64_MAX_DIG]; - sprintf(buffer, format, value); - os << buffer; - } catch (...) { - os.clear(os.rdstate() | std::ios_base::badbit); - } - } - return os; -} - -# if !KWSYS_IOS_HAS_ISTREAM_LONG_LONG -// Implement input stream operator for IOStreamSLL. -std::istream& IOStreamScan(std::istream& is, IOStreamSLL& value) -{ - return IOStreamScanTemplate(is, value, 'd'); -} - -// Implement input stream operator for IOStreamULL. -std::istream& IOStreamScan(std::istream& is, IOStreamULL& value) -{ - return IOStreamScanTemplate(is, value, 'u'); -} -# endif - -# if !KWSYS_IOS_HAS_OSTREAM_LONG_LONG -// Implement output stream operator for IOStreamSLL. -std::ostream& IOStreamPrint(std::ostream& os, IOStreamSLL value) -{ - return IOStreamPrintTemplate(os, value, 'd'); -} - -// Implement output stream operator for IOStreamULL. -std::ostream& IOStreamPrint(std::ostream& os, IOStreamULL value) -{ - return IOStreamPrintTemplate(os, value, 'u'); -} -# endif - -} // namespace KWSYS_NAMESPACE - -#else - -namespace KWSYS_NAMESPACE { - -// Create one public symbol in this object file to avoid warnings from -// archivers. -void IOStreamSymbolToAvoidWarning(); -void IOStreamSymbolToAvoidWarning() -{ -} - -} // namespace KWSYS_NAMESPACE - -#endif // KWSYS_IOS_NEED_OPERATORS_LL |