remove wxWINT_T_IS_TYPEDEF as it seems wint_t is always a typedef (although it can...

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

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 2a495e50c294f7239e2da7dd328dada8f75ab989..f26486112aaee9a34233162cf96f6271a4f60495 100644 (file)
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -56,7 +56,7 @@
 // static class variables definition
 // ---------------------------------------------------------------------------
 
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
   //According to STL _must_ be a -1 size_t
   const size_t wxStringBase::npos = (size_t) -1;
 #endif
@@ -65,7 +65,7 @@
 // static data
 // ----------------------------------------------------------------------------
 
-#if wxUSE_STL
+#if wxUSE_STL_BASED_WXSTRING
 
 extern const wxChar WXDLLIMPEXP_BASE *wxEmptyString = _T("");
 
@@ -138,7 +138,7 @@ wxSTD ostream& operator<<(wxSTD ostream& os, const wxCStrData& str)
   #define STATISTICS_ADD(av, val)
 #endif // WXSTRING_STATISTICS
 
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
 
 // ===========================================================================
 // wxStringData class deallocation
@@ -911,11 +911,11 @@ bool wxStringBase::AllocCopy(wxString& dest, int nCopyLen, int nCopyIndex) const
   return true;
 }
 
-#endif // !wxUSE_STL
+#endif // !wxUSE_STL_BASED_WXSTRING
 
-#if !wxUSE_STL || !defined(HAVE_STD_STRING_COMPARE)
+#if !wxUSE_STL_BASED_WXSTRING || !defined(HAVE_STD_STRING_COMPARE)
 
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     #define STRINGCLASS wxStringBase
 #else
     #define STRINGCLASS wxString
@@ -985,7 +985,7 @@ int STRINGCLASS::compare(size_t nStart, size_t nLen,
 
 #undef STRINGCLASS
 
-#endif // !wxUSE_STL || !defined(HAVE_STD_STRING_COMPARE)
+#endif // !wxUSE_STL_BASED_WXSTRING || !defined(HAVE_STD_STRING_COMPARE)
 
 // ===========================================================================
 // wxString class core
@@ -1064,7 +1064,7 @@ bool wxString::Shrink()
   return tmp.length() == length();
 }
 
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
 // get the pointer to writable buffer of (at least) nLen bytes
 wxChar *wxString::DoGetWriteBuf(size_t nLen)
 {
@@ -1115,7 +1115,7 @@ void wxString::UngetWriteBuf(size_t nLen)
 }
 #endif // WXWIN_COMPATIBILITY_2_8
 
-#endif // !wxUSE_STL
+#endif // !wxUSE_STL_BASED_WXSTRING
 
 
 // ---------------------------------------------------------------------------
@@ -1157,7 +1157,7 @@ wxString& wxString::operator=(const wchar_t *pwz)
 
 wxString operator+(const wxString& str1, const wxString& str2)
 {
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     wxASSERT( str1.GetStringData()->IsValid() );
     wxASSERT( str2.GetStringData()->IsValid() );
 #endif
@@ -1170,7 +1170,7 @@ wxString operator+(const wxString& str1, const wxString& str2)
 
 wxString operator+(const wxString& str, wxUniChar ch)
 {
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     wxASSERT( str.GetStringData()->IsValid() );
 #endif
 
@@ -1182,7 +1182,7 @@ wxString operator+(const wxString& str, wxUniChar ch)
 
 wxString operator+(wxUniChar ch, const wxString& str)
 {
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     wxASSERT( str.GetStringData()->IsValid() );
 #endif
 
@@ -1194,7 +1194,7 @@ wxString operator+(wxUniChar ch, const wxString& str)
 
 wxString operator+(const wxString& str, const wxChar *psz)
 {
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     wxASSERT( str.GetStringData()->IsValid() );
 #endif
 
@@ -1210,7 +1210,7 @@ wxString operator+(const wxString& str, const wxChar *psz)
 
 wxString operator+(const wxChar *psz, const wxString& str)
 {
-#if !wxUSE_STL
+#if !wxUSE_STL_BASED_WXSTRING
     wxASSERT( str.GetStringData()->IsValid() );
 #endif
 
@@ -2527,3 +2527,106 @@ int wxCMPFUNC_CONV wxStringSortDescending(wxString* s1, wxString* s2)
 {
     return -s1->Cmp(*s2);
 }
+
+
+
+// ===========================================================================
+// wxJoin and wxSplit
+// ===========================================================================
+
+#include "wx/tokenzr.h"
+
+wxString wxJoin(const wxArrayString& arr, const wxChar sep, const wxChar escape)
+{
+    size_t count = arr.size();
+    if ( count == 0 )
+        return wxEmptyString;
+
+    wxString str;
+
+    // pre-allocate memory using the estimation of the average length of the
+    // strings in the given array: this is very imprecise, of course, but
+    // better than nothing
+    str.reserve(count*(arr[0].length() + arr[count-1].length()) / 2);
+
+    if ( escape == wxT('\0') )
+    {
+        // escaping is disabled:
+        for ( size_t i = 0; i < count; i++ )
+        {
+            if ( i )
+                str += sep;
+            str += arr[i];
+        }
+    }
+    else // use escape character
+    {
+        for ( size_t n = 0; n < count; n++ )
+        {
+            if ( n )
+                str += sep;
+
+            for ( wxString::const_iterator i = arr[n].begin(),
+                                         end = arr[n].end();
+                  i != end;
+                  ++i )
+            {
+                const wxChar ch = *i;
+                if ( ch == sep )
+                    str += escape;      // escape this separator
+                str += ch;
+            }
+        }
+    }
+
+    str.Shrink(); // release extra memory if we allocated too much
+    return str;
+}
+
+wxArrayString wxSplit(const wxString& str, const wxChar sep, const wxChar escape)
+{
+    if ( escape == wxT('\0') )
+    {
+        // simple case: we don't need to honour the escape character
+        return wxStringTokenize(str, sep, wxTOKEN_RET_EMPTY_ALL);
+    }
+
+    wxArrayString ret;
+    wxString curr;
+    wxChar prev = wxT('\0');
+
+    for ( wxString::const_iterator i = str.begin(),
+                                 end = str.end();
+          i != end;
+          ++i )
+    {
+        const wxChar ch = *i;
+
+        if ( ch == sep )
+        {
+            if ( prev == escape )
+            {
+                // remove the escape character and don't consider this
+                // occurrence of 'sep' as a real separator
+                *curr.rbegin() = sep;
+            }
+            else // real separator
+            {
+                ret.push_back(curr);
+                curr.clear();
+            }
+        }
+        else // normal character
+        {
+            curr += ch;
+        }
+
+        prev = ch;
+    }
+
+    // add the last token
+    if ( !curr.empty() || prev == sep )
+        ret.Add(curr);
+
+    return ret;
+}