Differential D6807 Diff 22906 extern/opennurbs/opennurbs_std_string_format.cpp

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extern/opennurbs/opennurbs_std_string_format.cpp

This file was added.

				#include "opennurbs.h"

				#if !defined(ON_COMPILING_OPENNURBS)
				// This check is included in all opennurbs source .c and .cpp files to insure
				// ON_COMPILING_OPENNURBS is defined when opennurbs source is compiled.
				// When opennurbs source is being compiled, ON_COMPILING_OPENNURBS is defined
				// and the opennurbs .h files alter what is declared and how it is declared.
				#error ON_COMPILING_OPENNURBS must be defined when compiling opennurbs
				#endif

				////////////////////////////////////////////////////////////////
				//
				// std:string - formatted printing utilities
				//

				std::string ON_VARGS_FUNC_CDECL ON_std_string_format(const char* format, ...) ON_NOEXCEPT
				{
				char stack_buffer[2048];
				ON_StringBuffer buffer(stack_buffer, sizeof(stack_buffer) / sizeof(stack_buffer[0]));
				int n = 0;
				std::string str;

				if ( 0 != format \|\| 0 != format[0] )
				{
				va_list args;
				va_start(args, format);
				n = ON_String::FormatVargsIntoBuffer(buffer, format, args);
				va_end(args);
				}

				if ( n > 0 )
				{
				// exceptions are swallowed.
				try { str.append(buffer.m_buffer, n); }
				catch (const std::exception& ) {}
				}

				return str;
				}


				std::wstring ON_VARGS_FUNC_CDECL ON_std_wstring_format(const wchar_t* format, ...) ON_NOEXCEPT
				{
				wchar_t stack_buffer[2048];
				ON_wStringBuffer buffer(stack_buffer, sizeof(stack_buffer) / sizeof(stack_buffer[0]));
				int n = 0;
				std::wstring str;

				if (0 != format \|\| 0 != format[0])
				{
				va_list args;
				va_start(args, format);
				n = ON_wString::FormatVargsIntoBuffer(buffer, format, args);
				va_end(args);
				}

				if ( n > 0 )
				{
				// exceptions are swallowed.
				try { str.append(buffer.m_buffer, n); }
				catch (const std::exception& ) {}
				}

				return str;
				}