added wxArrayString::operator==() and !=()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7700 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/arrstrng.tex

@@ -80,6 +80,20 @@ reasons it is not virtual, so this class should not be derived from.
 
 Assignment operator.
 
+\membersection{wxArrayString::operator==}\label{wxarraystringoperatorequal}
+
+\constfunc{bool}{operator $==$}{\param{const wxArrayString\&}{ array}}
+
+Compares 2 arrays respecting the case. Returns TRUE only if the arrays have
+the same number of elements and the same strings in the same order.
+
+\membersection{wxArrayString::operator!=}\label{wxarraystringoperatornotequal}
+
+\constfunc{bool}{operator $!=$}{\param{const wxArrayString\&}{ array}}
+
+Compares 2 arrays respecting the case. Returns TRUE if the arrays have
+different number of elements or if the elements don't match pairwise.
+
 \membersection{wxArrayString::operator[]}\label{wxarraystringoperatorindex}
 
 \func{wxString\&}{operator[]}{\param{size\_t }{nIndex}}

include/wx/string.h

@@ -1016,6 +1016,12 @@ public:
     // sort array elements using specified comparaison function
   void Sort(CompareFunction compareFunction);
 
+  // comparison
+    // compare two arrays case sensitively
+  bool operator==(const wxArrayString& a) const;
+    // compare two arrays case sensitively
+  bool operator!=(const wxArrayString& a) const { return !(*this == a); }
+
 protected:
   void Copy(const wxArrayString& src);  // copies the contents of another array
 

src/common/string.cpp

@@ -2155,3 +2155,17 @@ void wxArrayString::DoSort()
   qsort(m_pItems, m_nCount, sizeof(wxChar *), wxStringCompareFunction);
 }
 
+bool wxArrayString::operator==(const wxArrayString& a) const
+{
+    if ( m_nCount != a.m_nCount )
+        return FALSE;
+
+    for ( size_t n = 0; n < m_nCount; n++ )
+    {
+        if ( Item(n) != a[n] )
+            return FALSE;
+    }
+
+    return TRUE;
+}
+