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0027838: Foundation Classes - support wchar_t* input within TCollection_AsciiString and TCollection_ExtendedString

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TCollection_ExtendedString/TCollection_AsciiString description
has been updated to reflect usage of this classes for Unicode strings.

TCollection_ExtendedString now defines constructor taking wchar_t* (all platforms)
and method ::ToWideString() returning wchar_t* (Windows only).
TCollection_AsciiString now defines constructor taking wchar_t*.

TCollection_ExtendedString/TCollection_AsciiString now defines
auxiliary methods ::StartsWith() and ::EndsWith().

TCollection_ExtendedString internals has been updated to eliminate
duplicated code for converting between UTF-16 and UTF-8.

Code has been cleaned up from redundant explicit conversions to wchar_t*.
Global method OSD_OpenStream()/OSD_OpenFileBuf() have been replaced
by C++ template to eliminate copy-paste for different STL collections.

OSD_SharedLibrary now uses wide-char system API call LoadLibraryExW()
on Windows for consistency.

New macro Standard_UNUSED has been added for marking possibly unused functions and variables
(to suppress gcc/clang compiler warnings).
This commit is contained in:
kgv
2016-09-04 14:31:47 +03:00
parent 935069d23d
commit fb0b05319f
33 changed files with 654 additions and 741 deletions
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3
src/Standard/Standard.cxx
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@@ -93,6 +93,9 @@ Standard_MMgrFactory::Standard_MMgrFactory()
Standard_STATIC_ASSERT(sizeof(short) == 2);
Standard_STATIC_ASSERT(sizeof(Standard_Utf16Char) == 2);
Standard_STATIC_ASSERT(sizeof(Standard_Utf32Char) == 4);
#ifdef _WIN32
Standard_STATIC_ASSERT(sizeof(Standard_WideChar) == sizeof(Standard_Utf16Char));
#endif
char* aVar;
aVar = getenv ("MMGT_OPT");

8
src/Standard/Standard_Macro.hxx
View File

@@ -29,6 +29,14 @@
#define Standard_OVERRIDE
#endif
// Macro for marking variables / functions as possibly unused
// so that compiler will not emit redundant "unused" warnings.
#if defined(__GNUC__) || defined(__clang__)
#define Standard_UNUSED __attribute__((unused))
#else
#define Standard_UNUSED
#endif
// Macro Standard_DEPRECATED("message") can be used to declare a method deprecated.
// If OCCT_NO_DEPRECATED is defined, Standard_DEPRECATED is defined empty.
#ifdef OCCT_NO_DEPRECATED