added explanatory comment

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

diff --git a/src/common/encconv.cpp b/src/common/encconv.cpp
index a44449dc0d744a516082f79f767c0b3bbbcc888e..15509c9cbc2c93128c10d775faa804bdad813f3b 100644 (file)
--- a/src/common/encconv.cpp
+++ b/src/common/encconv.cpp
@@ -50,7 +50,7 @@
     #include "wx/msw/wince/missing.h"       // for bsearch()
 #endif
 
-static wxUint16* GetEncTable(wxFontEncoding enc)
+static const wxUint16* GetEncTable(wxFontEncoding enc)
 {
 #ifdef __WXMAC__
     if( enc >= wxFONTENCODING_MACMIN && enc <= wxFONTENCODING_MACMAX )
@@ -98,7 +98,7 @@ CompareCharsetItems(const void *i1, const void *i2)
 }
 
 
-static CharsetItem* BuildReverseTable(wxUint16 *tbl)
+static CharsetItem* BuildReverseTable(const wxUint16 *tbl)
 {
     CharsetItem *rev = new CharsetItem[128];
 
@@ -124,7 +124,8 @@ wxEncodingConverter::wxEncodingConverter()
 bool wxEncodingConverter::Init(wxFontEncoding input_enc, wxFontEncoding output_enc, int method)
 {
     unsigned i;
-    wxUint16 *in_tbl, *out_tbl = NULL;
+    const wxUint16 *in_tbl;
+    const wxUint16 *out_tbl = NULL;
 
     if (m_Table) {delete[] m_Table; m_Table = NULL;}
 
@@ -374,11 +375,12 @@ wxString wxEncodingConverter::Convert(const wxString& input) const
 #define STOP wxFONTENCODING_SYSTEM
 
 #define NUM_OF_PLATFORMS  4 /*must conform to enum wxPLATFORM_XXXX !!!*/
-#define ENC_PER_PLATFORM  5
-           // max no. of encodings for one language used on one platform
-           // Anybody thinks 5 is not enough? ;-)
+#define ENC_PER_PLATFORM  3
+           // max no. of encodings for one language used on one platform.
+           // Using maximum of everything at the current moment to not make the
+           // library larger than necessary. Make larger only if necessary - MR
 
-static wxFontEncoding
+static const wxFontEncoding
     EquivalentEncodings[][NUM_OF_PLATFORMS][ENC_PER_PLATFORM+1] = {
 
     // *** Please put more common encodings as first! ***
@@ -477,7 +479,7 @@ wxFontEncodingArray wxEncodingConverter::GetPlatformEquivalents(wxFontEncoding e
     }
 
     int i, clas, e ;
-    wxFontEncoding *f;
+    const wxFontEncoding *f;
     wxFontEncodingArray arr;
 
     clas = 0;
@@ -504,7 +506,7 @@ wxFontEncodingArray wxEncodingConverter::GetPlatformEquivalents(wxFontEncoding e
 wxFontEncodingArray wxEncodingConverter::GetAllEquivalents(wxFontEncoding enc)
 {
     int i, clas, e, j ;
-    wxFontEncoding *f;
+    const wxFontEncoding *f;
     wxFontEncodingArray arr;
 
     arr = GetPlatformEquivalents(enc); // we want them to be first items in array