added wxMenu::AppendSubMenu() to avoid having to specify a dummy id when adding a...

[wxWidgets.git] / include / wx / string.h

diff --git a/include/wx/string.h b/include/wx/string.h
index 4cd3a70575c28813eb4084011c523c1d17095cde..37ad4b835b17ba440fb8e70c40a9b09ca29aca52 100644 (file)
--- a/include/wx/string.h
+++ b/include/wx/string.h
@@ -262,7 +262,7 @@ protected:
     // initializes the string to the empty value (must be called only from
     // ctors, use Reinit() otherwise)
   void Init() { m_pchData = (wxChar *)wxEmptyString; }
     // 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(); }
   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(); }


@@ -299,6 +299,43 @@ public:
   typedef value_type *iterator;
   typedef const value_type *const_iterator;
 
   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(); }
   // constructors and destructor
     // ctor for an empty string
   wxStringBase() { Init(); }


@@ -325,7 +362,9 @@ public:
       { InitWith(psz, 0, npos); }
   wxStringBase(const wxChar *psz, size_t nLength)
       { InitWith(psz, 0, nLength); }
       { 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)
       { InitWith(psz, 0, nLength); }
     // take nLen chars starting at nPos
   wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen)


@@ -364,9 +403,9 @@ public:
   wxStringBase& operator=(const wxChar *psz);
 
     // return the length of the string
   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
     // 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; }
     // resize the string, filling the space with c if c != 0
     // return the maximum size of the string
   size_type max_size() const { return wxSTRING_MAXLEN; }
     // resize the string, filling the space with c if c != 0


@@ -374,7 +413,7 @@ public:
     // delete the contents of the string
   void clear() { erase(0, npos); }
     // returns true if the string is empty
     // 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; }
     // inform string about planned change in size
   void reserve(size_t sz) { Alloc(sz); }
   size_type capacity() const { return GetStringData()->nAllocLength; }


@@ -429,14 +468,18 @@ public:
 
     // first valid index position
   const_iterator begin() const { return m_pchData; }
 
     // 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(); }
     // 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();
 
   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)
   {
     // insert another string
   wxStringBase& insert(size_t nPos, const wxStringBase& str)
   {


@@ -615,7 +658,7 @@ friend class WXDLLIMPEXP_BASE wxArrayString;
 
   // NB: special care was taken in arranging the member functions in such order
   //     that all inline functions can be effectively inlined, verify that all
 
   // 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
 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


@@ -650,10 +693,12 @@ public:
       : wxStringBase(psz ? psz : wxT("")) { }
   wxString(const wxChar *psz, size_t nLength)
       : wxStringBase(psz, nLength) { }
       : 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) { }
 
       : 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
   // 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


@@ -666,17 +711,22 @@ public:
 
 #if wxUSE_UNICODE
     // from multibyte string
 
 #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)
     // 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
       : 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
 #endif // !wxUSE_WCHAR_T
 
     // from wxCharBuffer


@@ -690,7 +740,7 @@ public:
     // string contains any characters?
   bool IsEmpty() const { return empty(); }
     // empty string is "false", so !str will return true
     // 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
     // truncate the string to given length
   wxString& Truncate(size_t uiLen);
     // empty string contents


@@ -806,14 +856,14 @@ public:
     // type differs because a function may either return pointer to the buffer
     // directly or have to use intermediate buffer for translation.
 #if wxUSE_UNICODE
     // 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 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); }
 
 #if wxMBFILES
     const wxCharBuffer fn_str() const { return mb_str(wxConvFile); }


@@ -824,12 +874,12 @@ public:
     const wxChar* mb_str() const { return c_str(); }
 
     // for compatibility with wxUSE_UNICODE version
     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 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 ) ); }
 #endif // wxUSE_WCHAR_T
 #ifdef __WXOSX__
     const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); }


@@ -931,16 +981,19 @@ public:
     { *this = str + *this; return *this; }
 
     // non-destructive concatenation
     { *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);
   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+(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
 
   // stream-like functions
       // insert an int into string


@@ -987,7 +1040,7 @@ public:
     // (if compareWithCase then the case matters)
   bool IsSameAs(const wxChar *psz, bool compareWithCase = true) const
     { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; }
     // (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
   bool IsSameAs(wxChar c, bool compareWithCase = true) const
     {
       return (length() == 1) && (compareWithCase ? GetChar(0u) == c


@@ -1072,7 +1125,7 @@ public:
         // convert to a double
     bool ToDouble(double *val) const;
 
         // 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;
     // 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;


@@ -1289,16 +1342,16 @@ public:
     { return (wxString&)wxStringBase::operator+=(ch); }
 };
 
     { 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);
 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
 
 // define wxArrayString, for compatibility
 #if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL