本文整理汇总了C++中AString::GetBuf方法的典型用法代码示例。如果您正苦于以下问题：C++ AString::GetBuf方法的具体用法？C++ AString::GetBuf怎么用？C++ AString::GetBuf使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AString的用法示例。
在下文中一共展示了AString::GetBuf方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: wcstombs
static void UnicodeStringToMultiByte2(AString &dest, const UString &src, UINT /* codePage */, char defaultChar, bool &defaultCharWasUsed)
{
dest.Empty();
defaultCharWasUsed = false;
if (src.IsEmpty())
return;
size_t limit = ((size_t)src.Len() + 1) * 6;
char *d = dest.GetBuf((unsigned)limit);
size_t len = wcstombs(d, src, limit);
if (len != (size_t)-1)
{
dest.ReleaseBuf_SetEnd((unsigned)len);
return;
}
{
const wchar_t *s = (const wchar_t *)src;
unsigned i;
for (i = 0;;)
{
wchar_t c = s[i];
if (c == 0)
break;
if (c >= 0x100)
{
c = defaultChar;
defaultCharWasUsed = true;
}
d[i++] = (char)c;
}
d[i] = 0;
dest.ReleaseBuf_SetLen(i);
}
}示例2: LoadComments
bool CFSFolder::LoadComments()
{
_comments.Clear();
_commentsAreLoaded = true;
NIO::CInFile file;
if (!file.Open(_path + kDescriptionFileName))
return false;
UInt64 len;
if (!file.GetLength(len))
return false;
if (len >= (1 << 28))
return false;
AString s;
char *p = s.GetBuf((unsigned)(size_t)len);
UInt32 processedSize;
file.Read(p, (UInt32)len, processedSize);
s.ReleaseBuf_CalcLen((unsigned)(size_t)len);
if (processedSize != len)
return false;
file.Close();
UString unicodeString;
if (!ConvertUTF8ToUnicode(s, unicodeString))
return false;
return _comments.ReadFromString(unicodeString);
}示例3: ReadString
void CInArchive::ReadString(unsigned size, AString &s)
{
s.Empty();
if (size != 0)
{
ReadBytes((Byte *)s.GetBuf(size), size);
s.ReleaseBuf_CalcLen(size);
}
}示例4: Open
bool CLang::Open(CFSTR fileName, const wchar_t *id)
{
Clear();
NWindows::NFile::NIO::CInFile file;
if (!file.Open(fileName))
return false;
UInt64 length;
if (!file.GetLength(length))
return false;
if (length > (1 << 20))
return false;
AString s;
unsigned len = (unsigned)length;
char *p = s.GetBuf(len);
UInt32 processed;
if (!file.Read(p, len, processed))
return false;
file.Close();
if (len != processed)
return false;
char *p2 = p;
for (unsigned i = 0; i < len; i++)
{
char c = p[i];
if (c == 0)
break;
if (c != 0x0D)
*p2++ = c;
}
*p2 = 0;
s.ReleaseBuf_SetLen((unsigned)(p2 - p));
if (OpenFromString(s))
{
const wchar_t *name = Get(0);
if (name && wcscmp(name, id) == 0)
return true;
}
Clear();
return false;
}示例5: WideCharToMultiByte
static void UnicodeStringToMultiByte2(AString &dest, const UString &src, UINT codePage, char defaultChar, bool &defaultCharWasUsed)
{
dest.Empty();
defaultCharWasUsed = false;
if (src.IsEmpty())
return;
{
/*
unsigned numRequiredBytes = src.Len() * 2;
char *d = dest.GetBuf(numRequiredBytes);
const wchar_t *s = (const wchar_t *)src;
unsigned i;
for (i = 0;;)
{
wchar_t c = s[i];
if (c >= 0x80 || c == 0)
break;
d[i++] = (char)c;
}
if (i != src.Len())
{
BOOL defUsed = FALSE;
defaultChar = defaultChar;
bool isUtf = (codePage == CP_UTF8 || codePage == CP_UTF7);
unsigned len = WideCharToMultiByte(codePage, 0, s + i, src.Len() - i,
d + i, numRequiredBytes + 1 - i,
(isUtf ? NULL : &defaultChar),
(isUtf ? NULL : &defUsed));
defaultCharWasUsed = (defUsed != FALSE);
if (len == 0)
throw 282229;
i += len;
}
d[i] = 0;
dest.ReleaseBuf_SetLen(i);
*/
/*
if (codePage != CP_UTF7)
{
const wchar_t *s = (const wchar_t *)src;
unsigned i;
for (i = 0;; i++)
{
wchar_t c = s[i];
if (c >= 0x80 || c == 0)
break;
}
if (s[i] == 0)
{
char *d = dest.GetBuf(src.Len());
for (i = 0;;)
{
wchar_t c = s[i];
if (c == 0)
break;
d[i++] = (char)c;
}
d[i] = 0;
dest.ReleaseBuf_SetLen(i);
return;
}
}
*/
unsigned len = WideCharToMultiByte(codePage, 0, src, src.Len(), NULL, 0, NULL, NULL);
if (len == 0)
{
if (GetLastError() != 0)
throw 282228;
}
else
{
BOOL defUsed = FALSE;
bool isUtf = (codePage == CP_UTF8 || codePage == CP_UTF7);
// defaultChar = defaultChar;
len = WideCharToMultiByte(codePage, 0, src, src.Len(),
dest.GetBuf(len), len,
(isUtf ? NULL : &defaultChar),
(isUtf ? NULL : &defUsed)
);
if (!isUtf)
defaultCharWasUsed = (defUsed != FALSE);
if (len == 0)
throw 282228;
dest.ReleaseBuf_SetEnd(len);
}
}
}示例6: ReadNamesFromListFile
bool ReadNamesFromListFile(CFSTR fileName, UStringVector &strings, UINT codePage)
{
NWindows::NFile::NIO::CInFile file;
if (!file.Open(fileName))
return false;
UInt64 fileSize;
if (!file.GetLength(fileSize))
return false;
if (fileSize >= ((UInt32)1 << 31) - 32)
return false;
UString u;
if (codePage == MY__CP_UTF16 || codePage == MY__CP_UTF16BE)
{
if ((fileSize & 1) != 0)
return false;
CByteArr buf((size_t)fileSize);
UInt32 processed;
if (!file.Read(buf, (UInt32)fileSize, processed))
return false;
if (processed != fileSize)
return false;
file.Close();
unsigned num = (unsigned)fileSize / 2;
wchar_t *p = u.GetBuf(num);
if (codePage == MY__CP_UTF16)
for (unsigned i = 0; i < num; i++)
{
wchar_t c = GetUi16(buf + i * 2);
if (c == 0)
return false;
p[i] = c;
}
else
for (unsigned i = 0; i < num; i++)
{
wchar_t c = (wchar_t)GetBe16(buf + i * 2);
if (c == 0)
return false;
p[i] = c;
}
p[num] = 0;
u.ReleaseBuf_SetLen(num);
}
else
{
AString s;
char *p = s.GetBuf((unsigned)fileSize);
UInt32 processed;
if (!file.Read(p, (UInt32)fileSize, processed))
return false;
if (processed != fileSize)
return false;
file.Close();
s.ReleaseBuf_CalcLen((unsigned)processed);
if (s.Len() != processed)
return false;
// #ifdef CP_UTF8
if (codePage == CP_UTF8)
{
if (!ConvertUTF8ToUnicode(s, u))
return false;
}
else
// #endif
MultiByteToUnicodeString2(u, s, codePage);
}
const wchar_t kGoodBOM = 0xFEFF;
const wchar_t kBadBOM = 0xFFFE;
UString s;
unsigned i = 0;
for (; i < u.Len() && u[i] == kGoodBOM; i++);
for (; i < u.Len(); i++)
{
wchar_t c = u[i];
if (c == kGoodBOM || c == kBadBOM)
return false;
if (c == L'\n' || c == 0xD)
{
AddName(strings, s);
s.Empty();
}
else
s += c;
}
AddName(strings, s);
return true;
}