Initial work on virtual file system support for the WebKitGTK+ backend. It now suppor...

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

diff --git a/include/wx/stringimpl.h b/include/wx/stringimpl.h
index 7ac70a6c5e453f954114868d93a02987b906874c..674a3eb5f90ee34801b751f4ff1c6f7ac2a76051 100644 (file)
--- a/include/wx/stringimpl.h
+++ b/include/wx/stringimpl.h
@@ -11,7 +11,7 @@
 
 /*
     This header implements std::string-like string class, wxStringImpl, that is
 
 /*
     This header implements std::string-like string class, wxStringImpl, that is

-    used by wxString to store the data. Alternatively, if wxUSE_STL=1,
+    used by wxString to store the data. Alternatively, if wxUSE_STD_STRING=1,

     wxStringImpl is just a typedef to std:: string class.
 */
 
     wxStringImpl is just a typedef to std:: string class.
 */
 


@@ -34,7 +34,7 @@
 
 // implementation only
 #define   wxASSERT_VALID_INDEX(i) \
 
 // implementation only
 #define   wxASSERT_VALID_INDEX(i) \

-    wxASSERT_MSG( (size_t)(i) <= length(), _T("invalid index in wxString") )
+    wxASSERT_MSG( (size_t)(i) <= length(), wxT("invalid index in wxString") )

 
 
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------


@@ -50,10 +50,15 @@ extern WXDLLIMPEXP_DATA_BASE(const wxStringCharType*) wxEmptyStringImpl;
 
 
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------

-// deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING
+// deal with various build options

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-#define wxUSE_STL_BASED_WXSTRING  wxUSE_STL
+// we use STL-based string internally if we use std::string at all now, there
+// should be no reason to prefer our internal implement but if you really need
+// it you can predefine wxUSE_STL_BASED_WXSTRING as 0 when building the library
+#ifndef wxUSE_STL_BASED_WXSTRING
+    #define wxUSE_STL_BASED_WXSTRING  wxUSE_STD_STRING
+#endif

 
 // in both cases we need to define wxStdString
 #if wxUSE_STL_BASED_WXSTRING || wxUSE_STD_STRING
 
 // in both cases we need to define wxStdString
 #if wxUSE_STL_BASED_WXSTRING || wxUSE_STD_STRING


@@ -83,8 +88,10 @@ extern WXDLLIMPEXP_DATA_BASE(const wxStringCharType*) wxEmptyStringImpl;
     #undef wxUSE_STD_STRING
     #define wxUSE_STD_STRING 1
 
     #undef wxUSE_STD_STRING
     #define wxUSE_STD_STRING 1
 

+    // the versions of std::string included with gcc 2.95 and VC6 (for which
+    // _MSC_VER == 1200) and eVC4 (_MSC_VER == 1201) lack clear() method

     #if (defined(__GNUG__) && (__GNUG__ < 3)) || \
     #if (defined(__GNUG__) && (__GNUG__ < 3)) || \

-        (defined(_MSC_VER) && (_MSC_VER <= 1200))
+        !wxCHECK_VISUALC_VERSION(7) || defined(__EVC4__)

         #define wxSTRING_BASE_HASNT_CLEAR
     #endif
 
         #define wxSTRING_BASE_HASNT_CLEAR
     #endif
 


@@ -219,21 +226,13 @@ public:
             return tmp;                                                       \
         }                                                                     \
                                                                               \
             return tmp;                                                       \
         }                                                                     \
                                                                               \

-        iterator_name operator+(int n) const                                  \
-            { return iterator_name(m_ptr + n); }                              \
-        iterator_name operator+(size_t n) const                               \
+        iterator_name operator+(ptrdiff_t n) const                            \

             { return iterator_name(m_ptr + n); }                              \
             { return iterator_name(m_ptr + n); }                              \

-        iterator_name operator-(int n) const                                  \
-            { return iterator_name(m_ptr - n); }                              \
-        iterator_name operator-(size_t n) const                               \
+        iterator_name operator-(ptrdiff_t n) const                            \

             { return iterator_name(m_ptr - n); }                              \
             { return iterator_name(m_ptr - n); }                              \

-        iterator_name& operator+=(int n)                                      \
+        iterator_name& operator+=(ptrdiff_t n)                                \

             { m_ptr += n; return *this; }                                     \
             { m_ptr += n; return *this; }                                     \

-        iterator_name& operator+=(size_t n)                                   \
-            { m_ptr += n; return *this; }                                     \
-        iterator_name& operator-=(int n)                                      \
-            { m_ptr -= n; return *this; }                                     \
-        iterator_name& operator-=(size_t n)                                   \
+        iterator_name& operator-=(ptrdiff_t n)                                \

             { m_ptr -= n; return *this; }                                     \
                                                                               \
         difference_type operator-(const iterator_name& i) const               \
             { m_ptr -= n; return *this; }                                     \
                                                                               \
         difference_type operator-(const iterator_name& i) const               \


@@ -255,7 +254,7 @@ public:
                                                                               \
     private:                                                                  \
         /* for wxStringImpl use only */                                       \
                                                                               \
     private:                                                                  \
         /* for wxStringImpl use only */                                       \

-        operator pointer() const { return m_ptr; }                            \
+        pointer GetPtr() const { return m_ptr; }                              \

                                                                               \
         friend class wxStringImpl;                                            \
                                                                               \
                                                                               \
         friend class wxStringImpl;                                            \
                                                                               \


@@ -295,7 +294,7 @@ public:
   wxStringImpl(const wxStringImpl& stringSrc)
   {
     wxASSERT_MSG( stringSrc.GetStringData()->IsValid(),
   wxStringImpl(const wxStringImpl& stringSrc)
   {
     wxASSERT_MSG( stringSrc.GetStringData()->IsValid(),

-                  _T("did you forget to call UngetWriteBuf()?") );
+                  wxT("did you forget to call UngetWriteBuf()?") );

 
     if ( stringSrc.empty() ) {
       // nothing to do for an empty string
 
     if ( stringSrc.empty() ) {
       // nothing to do for an empty string


@@ -318,7 +317,7 @@ public:
   wxStringImpl(const wxStringImpl& str, size_t nPos, size_t nLen)
   {
     wxASSERT_MSG( str.GetStringData()->IsValid(),
   wxStringImpl(const wxStringImpl& str, size_t nPos, size_t nLen)
   {
     wxASSERT_MSG( str.GetStringData()->IsValid(),

-                  _T("did you forget to call UngetWriteBuf()?") );
+                  wxT("did you forget to call UngetWriteBuf()?") );

     Init();
     size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen;
     InitWith(str.c_str(), nPos, nLen);
     Init();
     size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen;
     InitWith(str.c_str(), nPos, nLen);


@@ -336,23 +335,24 @@ public:
       { return wxStdString(c_str(), length()); }
 #endif
 
       { return wxStdString(c_str(), length()); }
 #endif
 

+#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
+    // disable warning about Unlock() below not being inlined (first, it
+    // seems to be inlined nevertheless and second, even if it isn't, there
+    // is nothing we can do about this
+    #pragma warning(push)
+    #pragma warning (disable:4714)
+#endif

 
     // dtor is not virtual, this class must not be inherited from!
   ~wxStringImpl()
   {
 
     // dtor is not virtual, this class must not be inherited from!
   ~wxStringImpl()
   {

-#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
-      //RN - according to the above VC++ does indeed inline this,
-      //even though it spits out two warnings
-      #pragma warning (disable:4714)
-#endif
-

       GetStringData()->Unlock();
   }
 
 #if defined(__VISUALC__) && (__VISUALC__ >= 1200)
       GetStringData()->Unlock();
   }
 
 #if defined(__VISUALC__) && (__VISUALC__ >= 1200)

-    //re-enable inlining warning
-    #pragma warning (default:4714)
+    #pragma warning(pop)

 #endif
 #endif

+

   // overloaded assignment
     // from another wxString
   wxStringImpl& operator=(const wxStringImpl& stringSrc);
   // overloaded assignment
     // from another wxString
   wxStringImpl& operator=(const wxStringImpl& stringSrc);


@@ -379,9 +379,11 @@ public:
 
   // lib.string.access
     // return the character at position n
 
   // lib.string.access
     // return the character at position n

+  value_type operator[](size_type n) const { return m_pchData[n]; }

   value_type at(size_type n) const
     { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
     // returns the writable 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 operator[](size_type n) { CopyBeforeWrite(); return m_pchData[n]; }

   reference at(size_type n)
   {
     wxASSERT_VALID_INDEX( n );
   reference at(size_type n)
   {
     wxASSERT_VALID_INDEX( n );


@@ -409,7 +411,7 @@ public:
   wxStringImpl& append(size_t n, wxStringCharType ch);
     // append from first to last
   wxStringImpl& append(const_iterator first, const_iterator last)
   wxStringImpl& append(size_t n, wxStringCharType ch);
     // append from first to last
   wxStringImpl& append(const_iterator first, const_iterator last)

-    { ConcatSelf(last - first, first); return *this; }
+    { ConcatSelf(last - first, first.GetPtr()); return *this; }

 
     // same as `this_string = str'
   wxStringImpl& assign(const wxStringImpl& str)
 
     // same as `this_string = str'
   wxStringImpl& assign(const wxStringImpl& str)


@@ -459,7 +461,7 @@ public:
   iterator insert(iterator it, wxStringCharType ch)
     { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; }
   void insert(iterator it, const_iterator first, const_iterator last)
   iterator insert(iterator it, wxStringCharType 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); }
+    { insert(it - begin(), first.GetPtr(), last - first); }

   void insert(iterator it, size_type n, wxStringCharType ch)
     { insert(it - begin(), n, ch); }
 
   void insert(iterator it, size_type n, wxStringCharType ch)
     { insert(it - begin(), n, ch); }
 


@@ -506,7 +508,7 @@ public:
     { return replace(first - begin(), last - first, n, c); }
   wxStringImpl& replace(iterator first, iterator last,
                         const_iterator first1, const_iterator last1)
     { return replace(first - begin(), last - first, n, c); }
   wxStringImpl& replace(iterator first, iterator last,
                         const_iterator first1, const_iterator last1)

-    { return replace(first - begin(), last - first, first1, last1 - first1); }
+    { return replace(first - begin(), last - first, first1.GetPtr(), last1 - first1); }

 
     // swap two strings
   void swap(wxStringImpl& str);
 
     // swap two strings
   void swap(wxStringImpl& str);