// constants
// ----------------------------------------------------------------------------
+#if WXWIN_COMPATIBILITY_2_6
+
+// deprecated in favour of wxString::npos, don't use in new code
+//
// maximum possible length for a string means "take all string" everywhere
#define wxSTRING_MAXLEN wxStringBase::npos
+#endif // WXWIN_COMPATIBILITY_2_6
+
// ----------------------------------------------------------------------------
// global data
// ----------------------------------------------------------------------------
// initializes the string to the empty value (must be called only from
// ctors, use Reinit() otherwise)
void Init() { m_pchData = (wxChar *)wxEmptyString; }
- // initializaes the string with (a part of) C-string
+ // initializes the string with (a part of) C-string
void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = npos);
// as Init, but also frees old data
void Reinit() { GetStringData()->Unlock(); Init(); }
typedef value_type *iterator;
typedef const value_type *const_iterator;
+#define wxSTRING_REVERSE_ITERATOR(name, const_or_not) \
+ class name \
+ { \
+ public: \
+ typedef wxChar value_type; \
+ typedef const_or_not value_type& reference; \
+ typedef const_or_not value_type *pointer; \
+ typedef const_or_not value_type *iterator_type; \
+ \
+ name(iterator_type i) : m_cur(i) { } \
+ name(const name& ri) : m_cur(ri.m_cur) { } \
+ \
+ iterator_type base() const { return m_cur; } \
+ \
+ reference operator*() const { return *(m_cur - 1); } \
+ \
+ name& operator++() { --m_cur; return *this; } \
+ name operator++(int) { name tmp = *this; --m_cur; return tmp; } \
+ name& operator--() { ++m_cur; return *this; } \
+ name operator--(int) { name tmp = *this; ++m_cur; return tmp; } \
+ \
+ bool operator==(name ri) const { return m_cur == ri.m_cur; } \
+ bool operator!=(name ri) const { return !(*this == ri); } \
+ \
+ private: \
+ iterator_type m_cur; \
+ }
+
+ wxSTRING_REVERSE_ITERATOR(const_reverse_iterator, const);
+
+ #define wxSTRING_CONST
+ wxSTRING_REVERSE_ITERATOR(reverse_iterator, wxSTRING_CONST);
+ #undef wxSTRING_CONST
+
+ #undef wxSTRING_REVERSE_ITERATOR
+
+
// constructors and destructor
// ctor for an empty string
wxStringBase() { Init(); }
{ InitWith(psz, 0, npos); }
wxStringBase(const wxChar *psz, size_t nLength)
{ InitWith(psz, 0, nLength); }
- wxStringBase(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = npos)
+ wxStringBase(const wxChar *psz,
+ const wxMBConv& WXUNUSED(conv),
+ size_t nLength = npos)
{ InitWith(psz, 0, nLength); }
// take nLen chars starting at nPos
wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen)
wxStringBase& operator=(const wxChar *psz);
// return the length of the string
- size_type size() const { return GetStringData()->nDataLength; }
+ size_type length() const { return GetStringData()->nDataLength; }
// return the length of the string
- size_type length() const { return size(); }
+ size_type size() const { return length(); }
// return the maximum size of the string
- size_type max_size() const { return wxSTRING_MAXLEN; }
+ size_type max_size() const { return npos; }
// resize the string, filling the space with c if c != 0
void resize(size_t nSize, wxChar ch = wxT('\0'));
// delete the contents of the string
void clear() { erase(0, npos); }
// returns true if the string is empty
- bool empty() const { return size() == 0; }
+ bool empty() const { return length() == 0; }
// inform string about planned change in size
void reserve(size_t sz) { Alloc(sz); }
size_type capacity() const { return GetStringData()->nAllocLength; }
// first valid index position
const_iterator begin() const { return m_pchData; }
+ iterator begin();
// position one after the last valid one
const_iterator end() const { return m_pchData + length(); }
-
- // first valid index position
- iterator begin();
- // position one after the last valid one
iterator end();
+ // first element of the reversed string
+ const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
+ reverse_iterator rbegin() { return reverse_iterator(end()); }
+ // one beyond the end of the reversed string
+ const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
+ reverse_iterator rend() { return reverse_iterator(begin()); }
+
// insert another string
wxStringBase& insert(size_t nPos, const wxStringBase& str)
{
// NB: special care was taken in arranging the member functions in such order
// that all inline functions can be effectively inlined, verify that all
- // performace critical functions are still inlined if you change order!
+ // performance critical functions are still inlined if you change order!
private:
// if we hadn't made these operators private, it would be possible to
// compile "wxString s; s = 17;" without any warnings as 17 is implicitly
: wxStringBase(psz ? psz : wxT("")) { }
wxString(const wxChar *psz, size_t nLength)
: wxStringBase(psz, nLength) { }
- wxString(const wxChar *psz, wxMBConv& WXUNUSED(conv), size_t nLength = npos)
+ wxString(const wxChar *psz,
+ const wxMBConv& WXUNUSED(conv),
+ size_t nLength = npos)
: wxStringBase(psz, nLength == npos ? wxStrlen(psz) : nLength) { }
- // even we're not build with wxUSE_STL == 1 it is very convenient to allow
+ // even if we're not built with wxUSE_STL == 1 it is very convenient to allow
// implicit conversions from std::string to wxString as this allows to use
// the same strings in non-GUI and GUI code, however we don't want to
// unconditionally add this ctor as it would make wx lib dependent on
#if wxUSE_UNICODE
// from multibyte string
- wxString(const char *psz, wxMBConv& conv, size_t nLength = npos);
+ wxString(const char *psz, const wxMBConv& conv, size_t nLength = npos);
// from wxWCharBuffer (i.e. return from wxGetString)
wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { }
#else // ANSI
// from C string (for compilers using unsigned char)
- wxString(const unsigned char* psz, size_t nLength = npos)
+ wxString(const unsigned char* psz)
+ : wxStringBase((const char*)psz) { }
+ // from part of C string (for compilers using unsigned char)
+ wxString(const unsigned char* psz, size_t nLength)
: wxStringBase((const char*)psz, nLength) { }
#if wxUSE_WCHAR_T
// from wide (Unicode) string
- wxString(const wchar_t *pwz, wxMBConv& conv = wxConvLibc, size_t nLength = npos);
+ wxString(const wchar_t *pwz,
+ const wxMBConv& conv = wxConvLibc,
+ size_t nLength = npos);
#endif // !wxUSE_WCHAR_T
// from wxCharBuffer
// string contains any characters?
bool IsEmpty() const { return empty(); }
// empty string is "false", so !str will return true
- bool operator!() const { return IsEmpty(); }
+ bool operator!() const { return empty(); }
// truncate the string to given length
wxString& Truncate(size_t uiLen);
// empty string contents
// type differs because a function may either return pointer to the buffer
// directly or have to use intermediate buffer for translation.
#if wxUSE_UNICODE
- const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const;
+ const wxCharBuffer mb_str(const wxMBConv& conv = wxConvLibc) const;
const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
const wxChar* wc_str() const { return c_str(); }
// for compatibility with !wxUSE_UNICODE version
- const wxChar* wc_str(wxMBConv& WXUNUSED(conv)) const { return c_str(); }
+ const wxChar* wc_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
#if wxMBFILES
const wxCharBuffer fn_str() const { return mb_str(wxConvFile); }
const wxChar* mb_str() const { return c_str(); }
// for compatibility with wxUSE_UNICODE version
- const wxChar* mb_str(wxMBConv& WXUNUSED(conv)) const { return c_str(); }
+ const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
const wxWX2MBbuf mbc_str() const { return mb_str(); }
#if wxUSE_WCHAR_T
- const wxWCharBuffer wc_str(wxMBConv& conv) const;
+ const wxWCharBuffer wc_str(const wxMBConv& conv) const;
#endif // wxUSE_WCHAR_T
#ifdef __WXOSX__
const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); }
{ *this = str + *this; return *this; }
// non-destructive concatenation
- //
- friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2);
- //
+ // two strings
+ friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1,
+ const wxString& string2);
+ // string with a single char
friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch);
- //
+ // char with a string
friend wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string);
- //
- friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz);
- //
- friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string);
+ // string with C string
+ friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string,
+ const wxChar *psz);
+ // C string with string
+ friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz,
+ const wxString& string);
// stream-like functions
// insert an int into string
#if defined wxLongLong_t && !defined wxLongLongIsLong
// insert a long long if they exist and aren't longs
wxString& operator<<(wxLongLong_t ll)
- { return (*this) << Format(_T("%") wxLongLongFmtSpec _T("d"), ll); }
+ {
+ const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("d");
+ return (*this) << Format(fmt, ll);
+ }
// insert an unsigned long long
wxString& operator<<(wxULongLong_t ull)
- { return (*this) << Format(_T("%") wxLongLongFmtSpec _T("u"), ull); }
+ {
+ const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("u");
+ return (*this) << Format(fmt , ull);
+ }
#endif
// insert a float into string
wxString& operator<<(float f)
// (if compareWithCase then the case matters)
bool IsSameAs(const wxChar *psz, bool compareWithCase = true) const
{ return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; }
- // comparison with a signle character: returns true if equal
+ // comparison with a single character: returns true if equal
bool IsSameAs(wxChar c, bool compareWithCase = true) const
{
return (length() == 1) && (compareWithCase ? GetChar(0u) == c
wxString operator()(size_t start, size_t len) const
{ return Mid(start, len); }
- // check that the string starts with prefix and return the rest of the
- // string in the provided pointer if it is not NULL, otherwise return
- // false
+ // check if the string starts with the given prefix and return the rest
+ // of the string in the provided pointer if it is not NULL; otherwise
+ // return false
bool StartsWith(const wxChar *prefix, wxString *rest = NULL) const;
+ // check if the string ends with the given suffix and return the
+ // beginning of the string before the suffix in the provided pointer if
+ // it is not NULL; otherwise return false
+ bool EndsWith(const wxChar *suffix, wxString *rest = NULL) const;
// get first nCount characters
wxString Left(size_t nCount) const;
bool ToLong(long *val, int base = 10) const;
// convert to an unsigned integer
bool ToULong(unsigned long *val, int base = 10) const;
+ // convert to wxLongLong
+#if defined(wxLongLong_t)
+ bool ToLongLong(wxLongLong_t *val, int base = 10) const;
+ // convert to wxULongLong
+ bool ToULongLong(wxULongLong_t *val, int base = 10) const;
+#endif // wxLongLong_t
// convert to a double
bool ToDouble(double *val) const;
- // formated input/output
+
+
+ // formatted input/output
// as sprintf(), returns the number of characters written or < 0 on error
// (take 'this' into account in attribute parameter count)
int Printf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2;
{ return (wxString&)wxStringBase::operator+=(ch); }
};
-// IBM xlC compiler needs these operators to be declared in global scope,
-// although this shouldn't be a problem for the other compilers we prefer to
-// only do it for it in stable 2.6 branch
-#ifdef __IBMCPP__
+// notice that even though for many compilers the friend declarations above are
+// enough, from the point of view of C++ standard we must have the declarations
+// here as friend ones are not injected in the enclosing namespace and without
+// them the code fails to compile with conforming compilers such as xlC or g++4
wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2);
wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxChar ch);
wxString WXDLLIMPEXP_BASE operator+(wxChar ch, const wxString& string);
wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz);
wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string);
-#endif // __IBMCPP__
+
// define wxArrayString, for compatibility
#if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL
#include "wx/iosfwrap.h"
-WXDLLIMPEXP_BASE wxSTD istream& operator>>(wxSTD istream&, wxString&);
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&);
#endif // wxSTD_STRING_COMPATIBILITY
projects / wxWidgets.git / blobdiff