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using System;
using System.IO;
using System.Text;
using System.Collections;
using Mono.Debugger;
namespace Mono.Debugger
{
public class SourceFileFactory : DebuggerMarshalByRefObject
{
Hashtable files = new Hashtable ();
public SourceBuffer FindFile (string name)
{
if (files.Contains (name))
return (SourceBuffer) ((ObjectCache) files [name]).Data;
ObjectCache cache = (ObjectCache) files [name];
if (cache == null) {
cache = new ObjectCache (new ObjectCacheFunc (read_file), name, 10);
files.Add (name, cache);
}
return (SourceBuffer) cache.Data;
}
public bool Exists (string name)
{
if (files.Contains (name))
return true;
FileInfo file_info = new FileInfo (name);
return file_info.Exists;
}
object read_file (object user_data)
{
string name = (string) user_data;
FileInfo file_info = new FileInfo (name);
if (!file_info.Exists) {
Report.Debug (DebugFlags.SourceFiles, "Can't find source file: " + name);
return null;
}
ArrayList contents = new ArrayList ();
try {
/* 28591 = Windows ISO Latin1 code page */
Encoding encoding = Encoding.GetEncoding (28591);
using (StreamReader reader = new StreamReader (file_info.OpenRead (), encoding)) {
string line;
while ((line = reader.ReadLine ()) != null)
contents.Add (line);
}
} catch {
return null;
}
return new SourceBuffer (name, contents);
}
}
}
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