Added Create functions. They return TRUE if the file was successfully

created; FALSE if it couldn't be created (or already exists - is that
ok?).


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6495 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/textfile.h

@@ -73,6 +73,10 @@ public:
   // file operations
     // file exists?
   bool Exists() const;
+    // create the file if it doesn't already exist
+  bool Create();
+    // same as Create() but with (another) file name
+  bool Create(const wxString& strFile);
     // Open() also loads file in memory on success
   bool Open();
     // same as Open() but with (another) file name

src/common/textfile.cpp

@@ -159,6 +159,32 @@ bool wxTextFile::Exists() const
     return wxFile::Exists(m_strFile);
 }
 
+bool wxTextFile::Create(const wxString& strFile)
+{
+  m_strFile = strFile;
+
+  return Create();
+}
+
+bool wxTextFile::Create()
+{
+  // file name must be either given in ctor or in Create(const wxString&)
+  wxASSERT( !m_strFile.IsEmpty() );
+
+  // if the file already exists do nothing
+  if ( Exists() ) return FALSE;
+  
+  if ( m_file.Open(m_strFile, wxFile::write) )
+  {
+    m_file.Close();
+    return TRUE;
+  }
+  else
+  {
+    return FALSE;
+  }
+}
+
 bool wxTextFile::Open(const wxString& strFile)
 {
   m_strFile = strFile;