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[wxWidgets.git] / src / common / string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 9f97667da3d72099ccdb084c6d7ab7e7b33bd2cf..964324306b8c1817a44282e8df5ac4716eb3b7b2 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -79,7 +79,7 @@ static const struct
 } g_strEmpty = { {-1, 0, 0}, wxT('\0') };
 
 // empty C style string: points to 'string data' byte of g_strEmpty
-extern const wxChar WXDLLEXPORT *wxEmptyString = &g_strEmpty.dummy;
+extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = &g_strEmpty.dummy;
 
 // ----------------------------------------------------------------------------
 // global functions
@@ -245,7 +245,7 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
     size_t nLen;
     if ( psz )
     {
-        // calculate the needed size ourselves or use a provide one
+        // calculate the needed size ourselves or use the provided one
         nLen = nLength == wxSTRING_MAXLEN ? conv.MB2WC(NULL, psz, 0) : nLength;
     }
     else
@@ -260,17 +260,22 @@ wxString::wxString(const char *psz, wxMBConv& conv, size_t nLength)
         if ( !AllocBuffer(nLen) )
         {
             wxFAIL_MSG( _T("out of memory in wxString::wxString") );
-            return;
         }
-
-        // MB2WC wants the buffer size, not the string length
-        if ( conv.MB2WC(m_pchData, psz, nLen + 1) != (size_t)-1 )
+        else
         {
-            // initialized ok
-            m_pchData[nLen] = 0;
-            return;
+            // MB2WC wants the buffer size, not the string length hence +1
+            nLen = conv.MB2WC(m_pchData, psz, nLen + 1);
+
+            if ( nLen != (size_t)-1 )
+            {
+                // initialized ok, set the real length as nLength specified by
+                // the caller could be greater than the real string length
+                GetStringData()->nDataLength = nLen;
+                m_pchData[nLen] = 0;
+                return;
+            }
+            //else: the conversion failed -- leave the string empty (what else?)
         }
-        //else: the conversion failed -- leave the string empty (what else?)
     }
 
     Init();
@@ -286,7 +291,7 @@ wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
     size_t nLen;
     if ( pwz )
     {
-        // calculate the needed size ourselves or use a provide one
+        // calculate the needed size ourselves or use the provided one
         nLen = nLength == wxSTRING_MAXLEN ? conv.WC2MB(NULL, pwz, 0) : nLength;
     }
     else
@@ -301,16 +306,17 @@ wxString::wxString(const wchar_t *pwz, wxMBConv& conv, size_t nLength)
         if ( !AllocBuffer(nLen) )
         {
             wxFAIL_MSG( _T("out of memory in wxString::wxString") );
-            return;
         }
-
-        // WC2MB wants the buffer size, not the string length
-        if ( conv.WC2MB(m_pchData, pwz, nLen + 1) != (size_t)-1 )
+        else
         {
-            // initialized ok
-            return;
+            // WC2MB wants the buffer size, not the string length
+            if ( conv.WC2MB(m_pchData, pwz, nLen + 1) != (size_t)-1 )
+            {
+                // initialized ok
+                return;
+            }
+            //else: the conversion failed -- leave the string empty (what else?)
         }
-        //else: the conversion failed -- leave the string empty (what else?)
     }
 
     Init();
@@ -958,8 +964,13 @@ wxString wxString::AfterFirst(wxChar ch) const
 }
 
 // replace first (or all) occurences of some substring with another one
-size_t wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)
+size_t
+wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplaceAll)
 {
+    // if we tried to replace an empty string we'd enter an infinite loop below
+    wxCHECK_MSG( szOld && *szOld && szNew, 0,
+                 _T("wxString::Replace(): invalid parameter") );
+
   size_t uiCount = 0;   // count of replacements made
 
   size_t uiOldLen = wxStrlen(szOld);
@@ -1002,6 +1013,10 @@ size_t wxString::Replace(const wxChar *szOld, const wxChar *szNew, bool bReplace
   return uiCount;
 }
 
+#ifdef __WXWINCE__
+inline int isascii(wxChar c) { return (c >= 0) && (c <=127); }
+#endif
+
 bool wxString::IsAscii() const
 {
   const wxChar *s = (const wxChar*) *this;
@@ -1748,6 +1763,10 @@ wxString& wxString::replace(size_t nStart, size_t nLen,
 // ArrayString
 // ============================================================================
 
+#include "wx/arrstr.h"
+
+#if !wxUSE_STL
+
 // size increment = min(50% of current size, ARRAY_MAXSIZE_INCREMENT)
 #define   ARRAY_MAXSIZE_INCREMENT       4096
 
@@ -1901,6 +1920,8 @@ void wxArrayString::Shrink()
   }
 }
 
+#if WXWIN_COMPATIBILITY_2_4
+
 // return a wxString[] as required for some control ctors.
 wxString* wxArrayString::GetStringArray() const
 {
@@ -1916,6 +1937,8 @@ wxString* wxArrayString::GetStringArray() const
     return array;
 }
 
+#endif // WXWIN_COMPATIBILITY_2_4
+
 // searches the array for an item (forward or backwards)
 int wxArrayString::Index(const wxChar *sz, bool bCase, bool bFromEnd) const
 {
@@ -2046,7 +2069,7 @@ void wxArrayString::SetCount(size_t count)
 }
 
 // removes item from array (by index)
-void wxArrayString::Remove(size_t nIndex, size_t nRemove)
+void wxArrayString::RemoveAt(size_t nIndex, size_t nRemove)
 {
   wxCHECK_RET( nIndex < m_nCount, wxT("bad index in wxArrayString::Remove") );
   wxCHECK_RET( nIndex + nRemove <= m_nCount,
@@ -2069,7 +2092,7 @@ void wxArrayString::Remove(const wxChar *sz)
   wxCHECK_RET( iIndex != wxNOT_FOUND,
                wxT("removing inexistent element in wxArrayString::Remove") );
 
-  Remove(iIndex);
+  RemoveAt(iIndex);
 }
 
 // ----------------------------------------------------------------------------
@@ -2137,16 +2160,16 @@ void wxArrayString::Sort(CompareFunction compareFunction)
   END_SORT();
 }
 
-void wxArrayString::Sort(bool reverseOrder)
-{
-  START_SORT();
-
-  wxASSERT( !gs_compareFunction );  // must have been reset to NULL
-  gs_sortAscending = !reverseOrder;
+typedef  int (wxC_CALLING_CONV * wxStringCompareFn)(const void *first, const void *second);
 
-  DoSort();
+void wxArrayString::Sort(CompareFunction2 compareFunction)
+{
+  qsort(m_pItems, m_nCount, sizeof(wxChar *), (wxStringCompareFn)compareFunction);
+}
 
-  END_SORT();
+void wxArrayString::Sort(bool reverseOrder)
+{
+  Sort(reverseOrder ? wxStringSortDescending : wxStringSortAscending);
 }
 
 void wxArrayString::DoSort()
@@ -2172,3 +2195,14 @@ bool wxArrayString::operator==(const wxArrayString& a) const
     return TRUE;
 }
 
+#endif // !wxUSE_STL
+
+int wxStringSortAscending(wxString* s1, wxString* s2)
+{
+    return wxStrcmp(s1->c_str(), s2->c_str());
+}
+
+int wxStringSortDescending(wxString* s1, wxString* s2)
+{
+    return -wxStrcmp(s1->c_str(), s2->c_str());
+}