Make wxGCDC::GetGraphicsContext() const.

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

diff --git a/include/wx/convauto.h b/include/wx/convauto.h
index 398888a7884a4bae9064531216bca2ade7c1b956..bc514cea3b0d8675c4221bf35569302723316ce0 100644 (file)
--- a/include/wx/convauto.h
+++ b/include/wx/convauto.h
@@ -14,8 +14,6 @@
 #include "wx/strconv.h"
 #include "wx/fontenc.h"
 
-#if wxUSE_WCHAR_T
-
 // ----------------------------------------------------------------------------
 // wxConvAuto: uses BOM to automatically detect input encoding
 // ----------------------------------------------------------------------------
@@ -26,7 +24,8 @@ public:
     // default ctor, the real conversion will be created on demand
     wxConvAuto(wxFontEncoding enc = wxFONTENCODING_DEFAULT)
     {
-        m_conv = NULL; // the rest will be initialized later
+        Init();
+
         m_encDefault = enc;
     }
 
@@ -34,7 +33,8 @@ public:
     // deduced on first use
     wxConvAuto(const wxConvAuto& other) : wxMBConv()
     {
-        m_conv = NULL;
+        Init();
+
         m_encDefault = other.m_encDefault;
     }
 
@@ -73,6 +73,7 @@ private:
     // all currently recognized BOM values
     enum BOMType
     {
+        BOM_Unknown = -1,
         BOM_None,
         BOM_UTF32BE,
         BOM_UTF32LE,
@@ -84,6 +85,15 @@ private:
     // return the BOM type of this buffer
     static BOMType DetectBOM(const char *src, size_t srcLen);
 
+    // common part of all ctors
+    void Init()
+    {
+        // no need to initialize m_bomType and m_consumedBOM here, this will be
+        // done when m_conv is created
+        m_conv = NULL;
+        m_ownsConv = false;
+    }
+
     // initialize m_conv with the UTF-8 conversion
     void InitWithUTF8()
     {
@@ -95,8 +105,11 @@ private:
     void InitFromBOM(BOMType bomType);
 
     // create the correct conversion object for the BOM present in the
-    // beginning of the buffer; adjust the buffer to skip the BOM if found
-    void InitFromInput(const char **src, size_t *len);
+    // beginning of the buffer
+    //
+    // return false if the buffer is too short to allow us to determine if we
+    // have BOM or not
+    bool InitFromInput(const char *src, size_t len);
 
     // adjust src and len to skip over the BOM (identified by m_bomType) at the
     // start of the buffer
@@ -126,10 +139,8 @@ private:
     bool m_consumedBOM;
 
 
-    DECLARE_NO_ASSIGN_CLASS(wxConvAuto)
+    wxDECLARE_NO_ASSIGN_CLASS(wxConvAuto);
 };
 
-#endif // wxUSE_WCHAR_T
-
 #endif // _WX_CONVAUTO_H_