if ( nLength > 0 ) {
AllocBuffer(nLength);
-
+
wxASSERT( sizeof(char) == 1 ); // can't use memset if not
memset(m_pchData, ch, nLength);
#ifdef STD_STRING_COMPATIBILITY
// ctor from a substring
-wxString::wxString(const wxString& s, size_t nPos, size_t nLen)
+wxString::wxString(const wxString& str, size_t nPos, size_t nLen)
{
- InitWith(s.c_str(), nPos, nLen == npos ? 0 : nLen);
+ wxASSERT( str.GetStringData()->IsValid() );
+
+ InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen);
}
// poor man's iterators are "void *" pointers
wxASSERT( nLen != 0 ); // doesn't make any sense
// must not share string and must have enough space
- register wxStringData* pData = GetStringData();
+ register wxStringData* pData = GetStringData();
if ( pData->IsShared() || (nLen > pData->nAllocLength) ) {
// can't work with old buffer, get new one
pData->Unlock();
AllocBuffer(nLen);
}
- wxASSERT( !pData->IsShared() ); // we must be the only owner
+ wxASSERT( !GetStringData()->IsShared() ); // we must be the only owner
}
// get the pointer to writable buffer of (at least) nLen bytes
-char *wxString::GetWriteBuf(size_t nLen)
+char *wxString::GetWriteBuf(int nLen)
{
AllocBeforeWrite(nLen);
+
+ wxASSERT( GetStringData()->nRefs == 1 );
+ GetStringData()->Validate(FALSE);
+
return m_pchData;
}
+// put string back in a reasonable state after GetWriteBuf
+void wxString::UngetWriteBuf()
+{
+ GetStringData()->nDataLength = strlen(m_pchData);
+ GetStringData()->Validate(TRUE);
+}
+
// dtor frees memory if no other strings use it
wxString::~wxString()
{
// assigns one string to another
wxString& wxString::operator=(const wxString& stringSrc)
{
+ wxASSERT( stringSrc.GetStringData()->IsValid() );
+
// don't copy string over itself
if ( m_pchData != stringSrc.m_pchData ) {
if ( stringSrc.GetStringData()->IsEmpty() ) {
void wxString::operator+=(const wxString& string)
{
+ wxASSERT( string.GetStringData()->IsValid() );
+
ConcatSelf(string.Len(), string);
}
wxString& wxString::operator<<(const wxString& string)
{
+ wxASSERT( string.GetStringData()->IsValid() );
+
ConcatSelf(string.Len(), string);
return *this;
}
wxString operator+(const wxString& string1, const wxString& string2)
{
+ wxASSERT( string1.GetStringData()->IsValid() );
+ wxASSERT( string2.GetStringData()->IsValid() );
+
wxString s;
s.ConcatCopy(string1.GetStringData()->nDataLength, string1.m_pchData,
string2.GetStringData()->nDataLength, string2.m_pchData);
wxString operator+(const wxString& string1, char ch)
{
+ wxASSERT( string1.GetStringData()->IsValid() );
+
wxString s;
s.ConcatCopy(string1.GetStringData()->nDataLength, string1.m_pchData, 1, &ch);
return s;
wxString operator+(char ch, const wxString& string)
{
+ wxASSERT( string.GetStringData()->IsValid() );
+
wxString s;
s.ConcatCopy(1, &ch, string.GetStringData()->nDataLength, string.m_pchData);
return s;
wxString operator+(const wxString& string, const char *psz)
{
+ wxASSERT( string.GetStringData()->IsValid() );
+
wxString s;
s.ConcatCopy(string.GetStringData()->nDataLength, string.m_pchData,
Strlen(psz), psz);
wxString operator+(const char *psz, const wxString& string)
{
+ wxASSERT( string.GetStringData()->IsValid() );
+
wxString s;
s.ConcatCopy(Strlen(psz), psz,
string.GetStringData()->nDataLength, string.m_pchData);
return iLen;
}
+#if 0
int wxString::Scanf(const char *pszFormat, ...) const
{
va_list argptr;
return vsscanf(c_str(), pszFormat, argptr);
#endif
}
+#endif
+
+// ----------------------------------------------------------------------------
+// misc other operations
+// ----------------------------------------------------------------------------
+bool wxString::Matches(const char *pszMask) const
+{
+ // check char by char
+ const char *pszTxt;
+ for ( pszTxt = c_str(); *pszMask != '\0'; pszMask++, pszTxt++ ) {
+ switch ( *pszMask ) {
+ case '?':
+ if ( *pszTxt == '\0' )
+ return FALSE;
+
+ pszTxt++;
+ pszMask++;
+ break;
+
+ case '*':
+ {
+ // ignore special chars immediately following this one
+ while ( *pszMask == '*' || *pszMask == '?' )
+ pszMask++;
+
+ // if there is nothing more, match
+ if ( *pszMask == '\0' )
+ return TRUE;
+
+ // are there any other metacharacters in the mask?
+ uint uiLenMask;
+ const char *pEndMask = strpbrk(pszMask, "*?");
+
+ if ( pEndMask != NULL ) {
+ // we have to match the string between two metachars
+ uiLenMask = pEndMask - pszMask;
+ }
+ else {
+ // we have to match the remainder of the string
+ uiLenMask = strlen(pszMask);
+ }
+
+ wxString strToMatch(pszMask, uiLenMask);
+ const char* pMatch = strstr(pszTxt, strToMatch);
+ if ( pMatch == NULL )
+ return FALSE;
+
+ // -1 to compensate "++" in the loop
+ pszTxt = pMatch + uiLenMask - 1;
+ pszMask += uiLenMask - 1;
+ }
+ break;
+
+ default:
+ if ( *pszMask != *pszTxt )
+ return FALSE;
+ break;
+ }
+ }
+
+ // match only if nothing left
+ return *pszTxt == '\0';
+}
// ---------------------------------------------------------------------------
// standard C++ library string functions
wxString& wxString::insert(size_t nPos, const wxString& str)
{
+ wxASSERT( str.GetStringData()->IsValid() );
wxASSERT( nPos <= Len() );
wxString strTmp;
- char *pc = strTmp.GetWriteBuf(Len() + str.Len() + 1);
+ char *pc = strTmp.GetWriteBuf(Len() + str.Len());
strncpy(pc, c_str(), nPos);
strcpy(pc + nPos, str);
strcpy(pc + nPos + str.Len(), c_str() + nPos);
size_t wxString::find(const wxString& str, size_t nStart) const
{
+ wxASSERT( str.GetStringData()->IsValid() );
wxASSERT( nStart <= Len() );
const char *p = strstr(c_str() + nStart, str);
size_t wxString::rfind(const wxString& str, size_t nStart) const
{
+ wxASSERT( str.GetStringData()->IsValid() );
wxASSERT( nStart <= Len() );
// # could be quicker than that
}
wxString& wxString::replace(size_t nStart, size_t nLen,
- const wxString& str, size_t nStart2, size_t nLen2)
+ const wxString& str, size_t nStart2, size_t nLen2)
{
return replace(nStart, nLen, str.substr(nStart2, nLen2));
}
}
// add item at the end
-void wxArrayString::Add(const wxString& src)
+void wxArrayString::Add(const wxString& str)
{
+ wxASSERT( str.GetStringData()->IsValid() );
+
Grow();
// the string data must not be deleted!
- src.GetStringData()->Lock();
- m_pItems[m_nCount++] = (char *)src.c_str();
+ str.GetStringData()->Lock();
+ m_pItems[m_nCount++] = (char *)str.c_str();
}
// add item at the given position
-void wxArrayString::Insert(const wxString& src, size_t nIndex)
+void wxArrayString::Insert(const wxString& str, size_t nIndex)
{
+ wxASSERT( str.GetStringData()->IsValid() );
+
wxCHECK_RET( nIndex <= m_nCount, "bad index in wxArrayString::Insert" );
Grow();
memmove(&m_pItems[nIndex + 1], &m_pItems[nIndex],
(m_nCount - nIndex)*sizeof(char *));
- src.GetStringData()->Lock();
- m_pItems[nIndex] = (char *)src.c_str();
+ str.GetStringData()->Lock();
+ m_pItems[nIndex] = (char *)str.c_str();
m_nCount++;
}
projects / wxWidgets.git / blobdiff