1 files changed, 104 insertions, 0 deletions
diff --git a/frontend/pisa_error.h b/frontend/pisa_error.h
new file mode 100644
index 0000000..7961207
--- /dev/null
+++ b/frontend/pisa_error.h
@@ -0,0 +1,104 @@
+/* 
+   SANE EPSON backend
+   Copyright (C) 2001, 2008, 2009  SEIKO EPSON CORPORATION
+
+   Date         Author      Reason
+   06/01/2001   N.Sasaki    New
+
+   This file is part of the `iscan' program.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+   As a special exception, the copyright holders give permission
+   to link the code of this program with the esmod library and
+   distribute linked combinations including the two.  You must obey
+   the GNU General Public License in all respects for all of the
+   code used other then esmod.
+*/
+
+#ifndef ___PISA_ERROR_H
+#define ___PISA_ERROR_H
+
+#include "pisa_sane_scan.h"
+
+typedef enum
+{
+  PISA_ERR_SUCCESS,
+  PISA_ERR_PARAMETER,
+  PISA_ERR_OUTOFMEMORY,
+  PISA_ERR_CONNECT,
+  PISA_ERR_UNSUPPORT,
+  PISA_ERR_AREALARGE,
+  PISA_ERR_FILENAME,
+  PISA_ERR_FILEOPEN,
+  PISA_ERR_OVERWRITE,
+  PISA_ERR_MRRESTOOHIGH,
+  PISA_ERR_TRAY_CLOSED,
+  PISA_ERR_MULTI_FEED,
+  // Make sure we can use the SANE status symbols.  To avoid name
+  // clashes, replace SANE with PISA and put them in another range.
+  PISA_STATUS_GOOD = 0xff00,	//  0 Operation completed succesfully.
+  PISA_STATUS_UNSUPPORTED,	//  1 Operation is not supported.
+  PISA_STATUS_CANCELLED,	//  2 Operation was cancelled.
+  PISA_STATUS_DEVICE_BUSY,	//  3 Device is busy---retry later.
+  PISA_STATUS_INVAL,		//  4 Data or argument is invalid.
+  PISA_STATUS_EOF,		//  5 No more data available (end-of-file).
+  PISA_STATUS_JAMMED,		//  6 Document feeder jammed.
+  PISA_STATUS_NO_DOCS,		//  7 Document feeder out of documents.
+  PISA_STATUS_COVER_OPEN,	//  8 Scanner cover is open.
+  PISA_STATUS_IO_ERROR,		//  9 Error during device I/O.
+  PISA_STATUS_NO_MEM,		// 10 Out of memory.
+  PISA_STATUS_ACCESS_DENIED,	// 11 Access to resource has been denied.
+
+  PISA_ERR_INVALID_ERROR_ID
+} pisa_error_id;
+
+class pisa_error
+{
+ public:
+
+  // constructor
+  pisa_error ( pisa_error_id id );
+  pisa_error ( SANE_Status id );
+  pisa_error (SANE_Status id, const sane_scan& ss);
+
+  bool operator== (const pisa_error& e) const;
+  bool operator!= (const pisa_error& e) const;
+
+  pisa_error_id get_error_id ( void ) const { return remap(); };
+  const char * get_error_string ( void ) const;
+
+ private:
+
+  // attribute
+  pisa_error_id	m_id;
+
+  pisa_error_id remap() const;
+};
+
+inline
+bool pisa_error::operator== (const pisa_error& e) const
+{
+  return e.m_id == m_id;
+}
+
+inline
+bool pisa_error::operator!= (const pisa_error& e) const
+{
+  return !(e == *this);
+}
+
+#endif // ___PISA_ERROR_H
+