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//
// FilterSpreadSheet.cs
//
// Copyright (C) 2004 Novell, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
using System;
using System.Diagnostics;
using System.IO;
using System.Xml;
using Beagle.Util;
using Beagle.Daemon;
namespace Beagle.Filters {
public class FilterSpreadsheet : Filter {
XmlTextReader xmlReader;
bool ignoredFirst2lines = false;
public FilterSpreadsheet ()
{
SnippetMode = true;
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/x-gnumeric"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/csv"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/tab-separated-values"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/comma-separated-values"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/csv"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/spreadsheet"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/tab-separated-values"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("text/x-comma-separated-values"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/vnd.ms-excel"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/excel"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/x-msexcel"));
AddSupportedFlavor (FilterFlavor.NewFromMimeType ("application/x-excel"));
}
void WalkContentNodes (XmlReader reader)
{
while (reader.Read ()) {
switch (reader.NodeType) {
case XmlNodeType.Text:
AppendText (reader.Value);
AppendStructuralBreak ();
break;
}
}
}
override protected void DoOpen (FileInfo info)
{
ignoredFirst2lines = false;
}
override protected void DoPull ()
{
// create new external process
SafeProcess pc = new SafeProcess ();
pc.Arguments = new string [] { "ssindex", "-i", FileInfo.FullName };
pc.RedirectStandardOutput = true;
try {
pc.Start ();
} catch (SafeProcessException e) {
Log.Warn (e.Message);
Error ();
return;
}
// process ssindex output
StreamReader pout = new StreamReader (pc.StandardOutput);
if (!ignoredFirst2lines) {
pout.ReadLine ();
pout.ReadLine ();
xmlReader = new XmlTextReader (pout);
ignoredFirst2lines = true;
}
try {
WalkContentNodes (xmlReader);
} catch (Exception e) {
Logger.Log.Debug ("Exception occurred while indexing {0}.", FileInfo.FullName);
Logger.Log.Debug (e);
}
pout.Close ();
pc.Close ();
Finished ();
}
override protected void DoClose ()
{
if (xmlReader != null)
xmlReader.Close ();
}
}
}
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