4.1

1 files changed, 48 insertions, 0 deletions

diff --git a/zen/file_error.h b/zen/file_error.h
new file mode 100644
index 00000000..8c49937c
--- /dev/null
+++ b/zen/file_error.h
@@ -0,0 +1,48 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) 2008-2011 ZenJu (zhnmju123 AT gmx.de)                    *
+// **************************************************************************
+
+#ifndef FILEERROR_H_INCLUDED
+#define FILEERROR_H_INCLUDED
+
+#include <string>
+#include "zstring.h"
+#include "utf8.h"
+#include "last_error.h" //we'll need this later anyway!
+
+namespace zen
+{
+class FileError //Exception base class used to notify file/directory copy/delete errors
+{
+public:
+    FileError(const std::wstring& message) : errorMessage(message) {}
+    virtual ~FileError() {}
+
+    const std::wstring& msg() const { return errorMessage; }
+
+private:
+    std::wstring errorMessage;
+};
+
+#define DEFINE_NEW_FILE_ERROR(X) struct X : public FileError { X(const std::wstring& message) : FileError(message) {} };
+
+DEFINE_NEW_FILE_ERROR(ErrorNotExisting);
+DEFINE_NEW_FILE_ERROR(ErrorTargetExisting);
+DEFINE_NEW_FILE_ERROR(ErrorTargetPathMissing);
+DEFINE_NEW_FILE_ERROR(ErrorFileLocked);
+
+
+
+//----------- facilitate usage of std::wstring for error messages --------------------
+
+//allow implicit UTF8 conversion: since std::wstring models a GUI string, convenience is more important than performance
+inline std::wstring operator+(const std::wstring& lhs, const Zstring&      rhs) { return std::wstring(lhs) += zen::utf8CvrtTo<std::wstring>(rhs); }
+
+//we musn't put our overloads in namespace std, but namespace zen (+ using directive) is sufficient
+inline std::wstring operator+(const std::wstring& lhs, const char*         rhs) { return std::wstring(lhs) += utf8CvrtTo<std::wstring>(rhs); }
+inline std::wstring operator+(const std::wstring& lhs, const std::string&  rhs) { return std::wstring(lhs) += utf8CvrtTo<std::wstring>(rhs); }
+}
+
+#endif // FILEERROR_H_INCLUDED