// compile the std::string compatibility functions if defined
#define wxSTD_STRING_COMPATIBILITY
-// define to derive wxString from wxObject (deprecated!)
-#ifdef WXSTRING_IS_WXOBJECT
- #undef WXSTRING_IS_WXOBJECT
-#endif
-
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
+#include "wx/defs.h" // everybody should include this
+
#if defined(__WXMAC__) || defined(__VISAGECPP__)
#include <ctype.h>
#endif
#include <strings.h> // for strcasecmp()
#endif // HAVE_STRINGS_H
-#include "wx/defs.h" // everybody should include this
#include "wx/wxchar.h" // for wxChar
#include "wx/buffer.h" // for wxCharBuffer
#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes
-#ifndef WX_PRECOMP
- #ifdef WXSTRING_IS_WXOBJECT
- #include "wx/object.h" // base class
- #endif
-#endif // !PCH
-
// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------
-// 'naughty' cast
+// casts [unfortunately!] needed to call some broken functions which require
+// "char *" instead of "const char *"
#define WXSTRINGCAST (wxChar *)(const wxChar *)
#define wxCSTRINGCAST (wxChar *)(const wxChar *)
#define wxMBSTRINGCAST (char *)(const char *)
#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *)
// implementation only
-#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() )
+#define wxASSERT_VALID_INDEX(i) \
+ wxASSERT_MSG( (size_t)(i) <= Len(), _T("invaid index in wxString") )
// ----------------------------------------------------------------------------
// constants
return stricmp(psz1, psz2);
#elif defined(__WATCOMC__)
return stricmp(psz1, psz2);
+#elif defined(__DJGPP__)
+ return stricmp(psz1, psz2);
#elif defined(__EMX__)
return stricmp(psz1, psz2);
#elif defined(__WXPM__)
// - regular expressions support
// ---------------------------------------------------------------------------
-#ifdef WXSTRING_IS_WXOBJECT
-class WXDLLEXPORT wxString : public wxObject
-{
- DECLARE_DYNAMIC_CLASS(wxString)
-#else //WXSTRING_IS_WXOBJECT
class WXDLLEXPORT wxString
{
-#endif //WXSTRING_IS_WXOBJECT
-
friend class WXDLLEXPORT wxArrayString;
// NB: special care was taken in arranging the member functions in such order
// copy ctor
wxString(const wxString& stringSrc)
{
- wxASSERT( stringSrc.GetStringData()->IsValid() );
+ wxASSERT_MSG( stringSrc.GetStringData()->IsValid(),
+ _T("did you forget to call UngetWriteBuf()?") );
if ( stringSrc.IsEmpty() ) {
// nothing to do for an empty string
#if wxUSE_WCHAR_T
// from wide (Unicode) string
- wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc);
+ wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = wxSTRING_MAXLEN);
#endif // !wxUSE_WCHAR_T
// from wxCharBuffer
if ( !GetStringData()->IsEmpty() )
Reinit();
- wxASSERT( GetStringData()->nDataLength == 0 ); // should be empty
- wxASSERT( GetStringData()->nAllocLength == 0 ); // and not own any memory
+ wxASSERT_MSG( !GetStringData()->nDataLength &&
+ !GetStringData()->nAllocLength,
+ _T("string should be empty after Clear()") );
}
// contents test
// data access (all indexes are 0 based)
// read access
wxChar GetChar(size_t n) const
- { ASSERT_VALID_INDEX( n ); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
// read/write access
wxChar& GetWritableChar(size_t n)
- { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
// write access
void SetChar(size_t n, wxChar ch)
- { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; }
+ { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); m_pchData[n] = ch; }
// get last character
wxChar Last() const
- { wxASSERT( !IsEmpty() ); return m_pchData[Len() - 1]; }
+ {
+ wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") );
+
+ return m_pchData[Len() - 1];
+ }
+
// get writable last character
wxChar& Last()
- { wxASSERT( !IsEmpty() ); CopyBeforeWrite(); return m_pchData[Len()-1]; }
+ {
+ wxASSERT_MSG( !IsEmpty(), _T("wxString: index out of bounds") );
+ CopyBeforeWrite();
+ return m_pchData[Len()-1];
+ }
/*
So why do we have all these overloaded operator[]s? A bit of history:
// operator version of GetChar
wxChar operator[](size_t n) const
- { ASSERT_VALID_INDEX( n ); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
// operator version of GetChar
wxChar operator[](int n) const
- { ASSERT_VALID_INDEX( n ); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
// operator version of GetWriteableChar
wxChar& operator[](size_t n)
- { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
#ifndef wxSIZE_T_IS_UINT
// operator version of GetChar
wxChar operator[](unsigned int n) const
- { ASSERT_VALID_INDEX( n ); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
// operator version of GetWriteableChar
wxChar& operator[](unsigned int n)
- { ASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
+ { wxASSERT_VALID_INDEX( n ); CopyBeforeWrite(); return m_pchData[n]; }
#endif // size_t != unsigned int
// implicit conversion to C string
// string += string
wxString& operator<<(const wxString& s)
{
- wxASSERT( s.GetStringData()->IsValid() );
+ wxASSERT_MSG( s.GetStringData()->IsValid(),
+ _T("did you forget to call UngetWriteBuf()?") );
ConcatSelf(s.Len(), s);
return *this;
// string += buffer (i.e. from wxGetString)
#if wxUSE_UNICODE
- wxString& operator<<(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); return *this; }
- void operator+=(const wxWCharBuffer& s) { (void)operator<<((const wchar_t *)s); }
-#else
- wxString& operator<<(const wxCharBuffer& s) { (void)operator<<((const char *)s); return *this; }
- void operator+=(const wxCharBuffer& s) { (void)operator<<((const char *)s); }
-#endif
+ wxString& operator<<(const wxWCharBuffer& s)
+ { (void)operator<<((const wchar_t *)s); return *this; }
+ void operator+=(const wxWCharBuffer& s)
+ { (void)operator<<((const wchar_t *)s); }
+#else // !wxUSE_UNICODE
+ wxString& operator<<(const wxCharBuffer& s)
+ { (void)operator<<((const char *)s); return *this; }
+ void operator+=(const wxCharBuffer& s)
+ { (void)operator<<((const char *)s); }
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
// string += C string
+ wxString& Append(const wxString& s)
+ {
+ // test for IsEmpty() to share the string if possible
+ if ( IsEmpty() )
+ *this = s;
+ else
+ ConcatSelf(s.Length(), s.c_str());
+ return *this;
+ }
wxString& Append(const wxChar* psz)
{ ConcatSelf(wxStrlen(psz), psz); return *this; }
// append count copies of given character
// check if the string contents matches a mask containing '*' and '?'
bool Matches(const wxChar *szMask) const;
- // conversion to numbers: all functions return TRUE only if the whole string
- // is a number and put the value of this number into the pointer provided
+ // conversion to numbers: all functions return TRUE only if the whole
+ // string is a number and put the value of this number into the pointer
+ // provided, the base is the numeric base in which the conversion should be
+ // done and must be comprised between 2 and 36 or be 0 in which case the
+ // standard C rules apply (leading '0' => octal, "0x" => hex)
// convert to a signed integer
- bool ToLong(long *val, int base = 0) const;
+ bool ToLong(long *val, int base = 10) const;
// convert to an unsigned integer
- bool ToULong(unsigned long *val, int base = 0) const;
+ bool ToULong(unsigned long *val, int base = 10) const;
// convert to a double
bool ToDouble(double *val) const;
// take nLen chars starting at nPos
wxString(const wxString& str, size_t nPos, size_t nLen)
{
- wxASSERT( str.GetStringData()->IsValid() );
+ wxASSERT_MSG( str.GetStringData()->IsValid(),
+ _T("did you forget to call UngetWriteBuf()?") );
+
InitWith(str.c_str(), nPos, nLen == npos ? 0 : nLen);
}
// take all characters from pStart to pEnd
const wxString& second);
// constructors and destructor
- // default ctor: if autoSort is TRUE, the array is always sorted (in
- // alphabetical order)
- wxArrayString(bool autoSort = FALSE);
+ // default ctor
+ wxArrayString() { Init(FALSE); }
+ // if autoSort is TRUE, the array is always sorted (in alphabetical order)
+ //
+ // NB: the reason for using int and not bool is that like this we can avoid
+ // using this ctor for implicit conversions from "const char *" (which
+ // we'd like to be implicitly converted to wxString instead!)
+ //
+ // of course, using explicit would be even better - if all compilers
+ // supported it...
+ wxArrayString(int autoSort) { Init(autoSort != 0); }
// copy ctor
wxArrayString(const wxArrayString& array);
// assignment operator
// items access (range checking is done in debug version)
// get item at position uiIndex
wxString& Item(size_t nIndex) const
- { wxASSERT( nIndex < m_nCount ); return *(wxString *)&(m_pItems[nIndex]); }
+ {
+ wxASSERT_MSG( nIndex < m_nCount,
+ _T("wxArrayString: index out of bounds") );
+
+ return *(wxString *)&(m_pItems[nIndex]);
+ }
+
// same as Item()
wxString& operator[](size_t nIndex) const { return Item(nIndex); }
// get last item
- wxString& Last() const { wxASSERT( !IsEmpty() ); return Item(Count() - 1); }
+ wxString& Last() const
+ {
+ wxASSERT_MSG( !IsEmpty(),
+ _T("wxArrayString: index out of bounds") );
+ return Item(Count() - 1);
+ }
+
+ // return a wxString[], useful for the controls which
+ // take one in their ctor. You must delete[] it yourself
+ // once you are done with it. Will return NULL if the
+ // ArrayString was empty.
+ wxString* GetStringArray() const;
// item management
// Search the element in the array, starting from the beginning if
int Index (const wxChar *sz, bool bCase = TRUE, bool bFromEnd = FALSE) const;
// add new element at the end (if the array is not sorted), return its
// index
- size_t Add(const wxString& str);
+ size_t Add(const wxString& str, size_t nInsert = 1);
// add new element at given position
- void Insert(const wxString& str, size_t uiIndex);
+ void Insert(const wxString& str, size_t uiIndex, size_t nInsert = 1);
+ // expand the array to have count elements
+ void SetCount(size_t count);
// remove first item matching this value
void Remove(const wxChar *sz);
// remove item by index
- void Remove(size_t nIndex);
- void RemoveAt(size_t nIndex) { Remove(nIndex); }
+ void Remove(size_t nIndex, size_t nRemove = 1);
+ void RemoveAt(size_t nIndex, size_t nRemove = 1) { Remove(nIndex, nRemove); }
// sorting
// sort array elements in alphabetical order (or reversed alphabetical
bool operator!=(const wxArrayString& a) const { return !(*this == a); }
protected:
+ void Init(bool autoSort); // common part of all ctors
void Copy(const wxArrayString& src); // copies the contents of another array
private:
- void Grow(); // makes array bigger if needed
+ void Grow(size_t nIncrement = 0); // makes array bigger if needed
void Free(); // free all the strings stored
void DoSort(); // common part of all Sort() variants
{ Copy(array); }
};
+// ----------------------------------------------------------------------------
+// wxStringBuffer: a tiny class allowing to get a writable pointer into string
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxStringBuffer
+{
+public:
+ wxStringBuffer(wxString& str, size_t lenWanted = 1024)
+ : m_str(str) { m_buf = m_str.GetWriteBuf(lenWanted); }
+
+ ~wxStringBuffer() { m_str.UngetWriteBuf(); }
+
+ operator wxChar*() const { return m_buf; }
+
+private:
+ wxString& m_str;
+ wxChar *m_buf;
+};
+
// ---------------------------------------------------------------------------
// wxString comparison functions: operator versions are always case sensitive
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// don't pollute the library user's name space
-#undef ASSERT_VALID_INDEX
+#undef wxASSERT_VALID_INDEX
#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM
projects / wxWidgets.git / blobdiff