- // overloaded assignment
- // from another wxString
- wxStringBase& operator=(const wxStringBase& stringSrc);
- // from a character
- wxStringBase& operator=(wxUniChar ch);
- // from a C string
- wxStringBase& operator=(const wxChar *psz);
-
- // return the length of the string
- size_type length() const { return GetStringData()->nDataLength; }
- // return the length of the string
- size_type size() const { return length(); }
- // return the maximum size of the string
- size_type max_size() const { return npos; }
- // resize the string, filling the space with c if c != 0
- void resize(size_t nSize, wxUniChar 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 length() == 0; }
- // inform string about planned change in size
- void reserve(size_t sz) { Alloc(sz); }
- size_type capacity() const { return GetStringData()->nAllocLength; }
-
- // lib.string.access
- // return the character at position n
- value_type at(size_type n) const
- { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
- // returns the writable character at position n
- reference at(size_type n)
- {
- wxASSERT_VALID_INDEX( n );
- CopyBeforeWrite();
- return wxUniCharRef::CreateForString(&m_pchData[n]);
- }
-
- // lib.string.modifiers
- // append elements str[pos], ..., str[pos+n]
- wxStringBase& append(const wxStringBase& str, size_t pos, size_t n)
- {
- wxASSERT(pos <= str.length());
- ConcatSelf(n, str.c_str() + pos, str.length() - pos);
- return *this;
- }
- // append a string
- wxStringBase& append(const wxStringBase& str)
- { ConcatSelf(str.length(), str.c_str()); return *this; }
- // append first n (or all if n == npos) characters of sz
- wxStringBase& append(const wxChar *sz)
- { ConcatSelf(wxStrlen(sz), sz); return *this; }
- wxStringBase& append(const wxChar *sz, size_t n)
- { ConcatSelf(n, sz); return *this; }
- // append n copies of ch
- wxStringBase& append(size_t n, wxUniChar ch);
- // append from first to last
- wxStringBase& append(const_iterator first, const_iterator last)
- { ConcatSelf(last - first, first); return *this; }
-
- // same as `this_string = str'
- wxStringBase& assign(const wxStringBase& str)
- { return *this = str; }
- // same as ` = str[pos..pos + n]
- wxStringBase& assign(const wxStringBase& str, size_t pos, size_t n)
- { clear(); return append(str, pos, n); }
- // same as `= first n (or all if n == npos) characters of sz'
- wxStringBase& assign(const wxChar *sz)
- { clear(); return append(sz, wxStrlen(sz)); }
- wxStringBase& assign(const wxChar *sz, size_t n)
- { clear(); return append(sz, n); }
- // same as `= n copies of ch'
- wxStringBase& assign(size_t n, wxUniChar ch)
- { clear(); return append(n, ch); }
- // assign from first to last
- wxStringBase& assign(const_iterator first, const_iterator last)
- { clear(); return append(first, last); }
-
- // 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(); }
- 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)
- {
- wxASSERT( str.GetStringData()->IsValid() );
- return insert(nPos, str.c_str(), str.length());
- }
- // insert n chars of str starting at nStart (in str)
- wxStringBase& insert(size_t nPos, const wxStringBase& str, size_t nStart, size_t n)
- {
- wxASSERT( str.GetStringData()->IsValid() );
- wxASSERT( nStart < str.length() );
- size_t strLen = str.length() - nStart;
- n = strLen < n ? strLen : n;
- return insert(nPos, str.c_str() + nStart, n);
- }
- // insert first n (or all if n == npos) characters of sz
- wxStringBase& insert(size_t nPos, const wxChar *sz, size_t n = npos);
- // insert n copies of ch
- wxStringBase& insert(size_t nPos, size_t n, wxUniChar ch)
- { return insert(nPos, wxStringBase(n, ch)); }
- iterator insert(iterator it, wxUniChar ch)
- { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; }
- void insert(iterator it, const_iterator first, const_iterator last)
- { insert(it - begin(), first, last - first); }
- void insert(iterator it, size_type n, wxUniChar ch)
- { insert(it - begin(), n, ch); }
-
- // delete characters from nStart to nStart + nLen
- wxStringBase& erase(size_type pos = 0, size_type n = npos);
- iterator erase(iterator first, iterator last)
- {
- size_t idx = first - begin();
- erase(idx, last - first);
- return begin() + idx;
- }
- iterator erase(iterator first);
-
- // explicit conversion to C string (use this with printf()!)
- const wxChar* c_str() const { return m_pchData; }
- const wxChar* data() const { return m_pchData; }
-
- // replaces the substring of length nLen starting at nStart
- wxStringBase& replace(size_t nStart, size_t nLen, const wxChar* sz);
- // replaces the substring of length nLen starting at nStart
- wxStringBase& replace(size_t nStart, size_t nLen, const wxStringBase& str)
- { return replace(nStart, nLen, str.c_str()); }
- // replaces the substring with nCount copies of ch
- wxStringBase& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch);
- // replaces a substring with another substring
- wxStringBase& replace(size_t nStart, size_t nLen,
- const wxStringBase& str, size_t nStart2, size_t nLen2);
- // replaces the substring with first nCount chars of sz
- wxStringBase& replace(size_t nStart, size_t nLen,
- const wxChar* sz, size_t nCount);
- wxStringBase& replace(iterator first, iterator last, const_pointer s)
- { return replace(first - begin(), last - first, s); }
- wxStringBase& replace(iterator first, iterator last, const_pointer s,
- size_type n)
- { return replace(first - begin(), last - first, s, n); }
- wxStringBase& replace(iterator first, iterator last, const wxStringBase& s)
- { return replace(first - begin(), last - first, s); }
- wxStringBase& replace(iterator first, iterator last, size_type n, wxUniChar c)
- { return replace(first - begin(), last - first, n, c); }
- wxStringBase& replace(iterator first, iterator last,
- const_iterator first1, const_iterator last1)
- { return replace(first - begin(), last - first, first1, last1 - first1); }
-
- // swap two strings
- void swap(wxStringBase& str);
-
- // All find() functions take the nStart argument which specifies the
- // position to start the search on, the default value is 0. All functions
- // return npos if there were no match.
-
- // find a substring
- size_t find(const wxStringBase& str, size_t nStart = 0) const;
-
- // find first n characters of sz
- size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const;
-
- // find the first occurence of character ch after nStart
- size_t find(wxUniChar ch, size_t nStart = 0) const;
-
- // rfind() family is exactly like find() but works right to left
-
- // as find, but from the end
- size_t rfind(const wxStringBase& str, size_t nStart = npos) const;
-
- // as find, but from the end
- size_t rfind(const wxChar* sz, size_t nStart = npos,
- size_t n = npos) const;
- // as find, but from the end
- size_t rfind(wxUniChar ch, size_t nStart = npos) const;
-
- // find first/last occurence of any character in the set
-
- // as strpbrk() but starts at nStart, returns npos if not found
- size_t find_first_of(const wxStringBase& str, size_t nStart = 0) const
- { return find_first_of(str.c_str(), nStart); }
- // same as above
- size_t find_first_of(const wxChar* sz, size_t nStart = 0) const;
- size_t find_first_of(const wxChar* sz, size_t nStart, size_t n) const;
- // same as find(char, size_t)
- size_t find_first_of(wxUniChar c, size_t nStart = 0) const
- { return find(c, nStart); }
- // find the last (starting from nStart) char from str in this string
- size_t find_last_of (const wxStringBase& str, size_t nStart = npos) const
- { return find_last_of(str.c_str(), nStart); }
- // same as above
- size_t find_last_of (const wxChar* sz, size_t nStart = npos) const;
- size_t find_last_of(const wxChar* sz, size_t nStart, size_t n) const;
- // same as above
- size_t find_last_of(wxUniChar c, size_t nStart = npos) const
- { return rfind(c, nStart); }
-
- // find first/last occurence of any character not in the set
-
- // as strspn() (starting from nStart), returns npos on failure
- size_t find_first_not_of(const wxStringBase& str, size_t nStart = 0) const
- { return find_first_not_of(str.c_str(), nStart); }
- // same as above
- size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const;
- size_t find_first_not_of(const wxChar* sz, size_t nStart, size_t n) const;
- // same as above
- size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const;
- // as strcspn()
- size_t find_last_not_of(const wxStringBase& str, size_t nStart = npos) const
- { return find_last_not_of(str.c_str(), nStart); }
- // same as above
- size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const;
- size_t find_last_not_of(const wxChar* sz, size_t nStart, size_t n) const;
- // same as above
- size_t find_last_not_of(wxUniChar ch, size_t nStart = npos) const;
-
- // All compare functions return -1, 0 or 1 if the [sub]string is less,
- // equal or greater than the compare() argument.
-
- // comparison with another string
- int compare(const wxStringBase& str) const;
- // comparison with a substring
- int compare(size_t nStart, size_t nLen, const wxStringBase& str) const;
- // comparison of 2 substrings
- int compare(size_t nStart, size_t nLen,
- const wxStringBase& str, size_t nStart2, size_t nLen2) const;
- // comparison with a c string
- int compare(const wxChar* sz) const;
- // substring comparison with first nCount characters of sz
- int compare(size_t nStart, size_t nLen,
- const wxChar* sz, size_t nCount = npos) const;
-
- size_type copy(wxChar* s, size_type n, size_type pos = 0);
-
- // substring extraction
- wxStringBase substr(size_t nStart = 0, size_t nLen = npos) const;
-
- // string += string
- wxStringBase& operator+=(const wxStringBase& s) { return append(s); }
- // string += C string
- wxStringBase& operator+=(const wxChar *psz) { return append(psz); }
- // string += char
- wxStringBase& operator+=(wxUniChar ch) { return append(1, ch); }
- wxStringBase& operator+=(wxUniCharRef ch) { return append(1, ch); }
- wxStringBase& operator+=(char ch) { return append(1, ch); }
- wxStringBase& operator+=(wchar_t ch) { return append(1, ch); }
-};
-
-#endif // !wxUSE_STL
-
-// ----------------------------------------------------------------------------
-// wxCStrData
-// ----------------------------------------------------------------------------
-
-// Lightweight object returned by wxString::c_str() and implicitly convertible
-// to either const char* or const wchar_t*.
-class WXDLLIMPEXP_BASE wxCStrData
-{
-private:
- // Ctors; for internal use by wxString and wxCStrData only
- wxCStrData(const wxString *str, size_t offset = 0, bool owned = false)
- : m_str(str), m_offset(offset), m_owned(owned) {}
-
-public:
- // Ctor constructs the object from char literal; they are needed to make
- // operator?: compile and they intentionally take char*, not const char*
- wxCStrData(char *buf);
- wxCStrData(wchar_t *buf);
-
- ~wxCStrData();
-
- // FIXME: we'll need convertors for both char* and wchar_t* and NONE
- // for wxChar*, but that's after completing the transition to
- // "smart" wxUniChar class. For now, just have conversion to
- // char* in ANSI build and wchar_t in Unicode build.
-#if wxUSE_UNICODE
- const wchar_t* AsWChar() const;
- operator const wchar_t*() const { return AsWChar(); }
-#else
- const char* AsChar() const;
- operator const char*() const { return AsChar(); }
-#endif
-
- wxString AsString() const;
- operator wxString() const;
-
- // allow expressions like "c_str()[0]":
- wxUniChar operator[](int n) const { return operator[](size_t(n)); }
- wxUniChar operator[](size_t n) const;
-#ifndef wxSIZE_T_IS_UINT
- wxUniChar operator[](unsigned int n) const { return operator[](size_t(n)); }
-#endif // size_t != unsigned int
-
- // this operator is needed to emulate the pointer semantics of c_str():
- // expressions like "wxChar *p = str.c_str() + 1;" should continue to work
- // (we need both versions to resolve ambiguities):
- wxCStrData operator+(int n) const
- { return wxCStrData(m_str, m_offset + n, m_owned); }
- wxCStrData operator+(size_t n) const
- { return wxCStrData(m_str, m_offset + n, m_owned); }
-
- // this operator is need to make expressions like "*c_str()" or
- // "*(c_str() + 2)" work
- wxUniChar operator*() const;
-
-private:
- const wxString *m_str;
- size_t m_offset;
- bool m_owned;
-
- friend class WXDLLIMPEXP_BASE wxString;
-};
-
-// ----------------------------------------------------------------------------
-// wxStringPrintfMixin
-// ---------------------------------------------------------------------------
-
-// NB: VC6 has a bug that causes linker errors if you have template methods
-// in a class using __declspec(dllimport). The solution is to split such
-// class into two classes, one that contains the template methods and does
-// *not* use WXDLLIMPEXP_BASE and another class that contains the rest
-// (with DLL linkage).
-//
-// We only do this for VC6 here, because the code is less efficient
-// (Printf() has to use dynamic_cast<>) and because OpenWatcom compiler
-// cannot compile this code.
-
-#if defined(__VISUALC__) && __VISUALC__ < 1300
- #define wxNEEDS_WXSTRING_PRINTF_MIXIN
-#endif
-
-#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
-// this class contains implementation of wxString's vararg methods, it's
-// exported from wxBase DLL
-class WXDLLIMPEXP_BASE wxStringPrintfMixinBase
-{
-protected:
- wxStringPrintfMixinBase() {}
-
- int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2;
- static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1;
-};
-
-// this class contains template wrappers for wxString's vararg methods, it's
-// intentionally *not* exported from the DLL in order to fix the VC6 bug
-// described above
-class wxStringPrintfMixin : public wxStringPrintfMixinBase
-{
-private:
- // to further complicate things, we can't return wxString from
- // wxStringPrintfMixin::Format() because wxString is not yet declared at
- // this point; the solution is to use this fake type trait template - this
- // way the compiler won't know the return type until Format() is used
- // (this doesn't compile with Watcom, but VC6 compiles it just fine):
- template<typename T> struct StringReturnType
- {
- typedef wxString type;
- };
-
-public:
- // these are duplicated wxString methods, they're also declared below
- // if !wxNEEDS_WXSTRING_PRINTF_MIXIN:
-
- // int Printf(const wxChar *pszFormat, ...);
- WX_DEFINE_VARARG_FUNC(int, Printf, DoPrintf)
- // static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1;
- WX_DEFINE_VARARG_FUNC(static typename StringReturnType<T1>::type,
- Format, DoFormat)
- // int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2;
- WX_DEFINE_VARARG_FUNC(int, sprintf, DoPrintf)
-
-protected:
- wxStringPrintfMixin() : wxStringPrintfMixinBase() {}
-};
-#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN
-
-
-// ----------------------------------------------------------------------------
-// wxString: string class trying to be compatible with std::string, MFC
-// CString and wxWindows 1.x wxString all at once
-// ---------------------------------------------------------------------------
-
-#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
- // "non dll-interface class 'wxStringPrintfMixin' used as base interface
- // for dll-interface class 'wxString'" -- this is OK in our case
- #pragma warning (disable:4275)
-#endif
-
-class WXDLLIMPEXP_BASE wxString : public wxStringBase
-#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
- ,public wxStringPrintfMixin
-#endif
-{
- // NB: special care was taken in arranging the member functions in such order
- // that all inline functions can be effectively inlined, verify that all
- // 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
- // converted to char in C and we do have operator=(char)
- //
- // NB: we don't need other versions (short/long and unsigned) as attempt
- // to assign another numeric type to wxString will now result in
- // ambiguity between operator=(char) and operator=(int)
- wxString& operator=(int);
-
- // these methods are not implemented - there is _no_ conversion from int to
- // string, you're doing something wrong if the compiler wants to call it!
- //
- // try `s << i' or `s.Printf("%d", i)' instead
- wxString(int);
projects / wxWidgets.git / blobdiff