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/*
* monoresgen: convert between the resource formats (.txt, .resources, .resx).
*
* Copyright (c) 2002 Ximian, Inc
*
* Author: Paolo Molaro (lupus@ximian.com)
*/
/*
* TODO:
* * escape/unescape in the .txt reader/writer to be able to roundtrip values with newlines
* (unlike the MS ResGen utility)
* * add .po format to help traslators on unixy systems
*/
using System;
using System.IO;
using System.Collections;
using System.Resources;
using System.Reflection;
class ResGen {
static Assembly swf;
static Type resxr;
static Type resxw;
/*
* We load the ResX format stuff on demand, since the classes are in
* System.Windows.Forms (!!!) and we can't depend on that assembly in mono, yet.
*/
static void LoadResX () {
if (swf != null)
return;
try {
swf = Assembly.LoadWithPartialName ("System.Windows.Forms");
resxr = swf.GetType ("System.Resources.ResXResourceReader");
resxw = swf.GetType ("System.Resources.ResXResourceWriter");
} catch (Exception e) {
throw new Exception ("Cannot load support for ResX format: " + e.Message);
}
}
static void Usage () {
Console.WriteLine ("Mono Resource Generator version 0.1");
Console.WriteLine ("Usage:");
Console.WriteLine ("\tmonoresgen source.ext [dest.ext]");
Console.WriteLine ();
Console.WriteLine ("Convert a resource file from one format to another.");
Console.WriteLine ("The currently supported formats are: '.txt' '.resources' '.resx'.");
Console.WriteLine ("If the destination file is not specified, source.resources will be used.");
}
static IResourceReader GetReader (Stream stream, string name) {
string format = Path.GetExtension (name);
switch (format.ToLower ()) {
case ".txt":
case ".text":
return new TxtResourceReader (stream);
case ".resources":
return new ResourceReader (stream);
case ".resx":
LoadResX ();
return (IResourceReader)Activator.CreateInstance (resxr, new object[] {stream});
default:
throw new Exception ("Unknown format in file " + name);
}
}
static IResourceWriter GetWriter (Stream stream, string name) {
string format = Path.GetExtension (name);
switch (format.ToLower ()) {
case ".txt":
case ".text":
return new TxtResourceWriter (stream);
case ".resources":
return new ResourceWriter (stream);
case ".resx":
LoadResX ();
return (IResourceWriter)Activator.CreateInstance (resxw, new object[] {stream});
default:
throw new Exception ("Unknown format in file " + name);
}
}
static int Main (string[] args) {
FileStream source, dest;
string sname, dname;
IResourceReader reader;
IResourceWriter writer;
if (args.Length == 1) {
sname = args [0];
dname = Path.ChangeExtension (sname, "resources");
} else if (args.Length != 2) {
Usage ();
return 1;
} else {
sname = args [0];
dname = args [1];
}
try {
source = new FileStream (sname, FileMode.Open, FileAccess.Read);
dest = new FileStream (dname, FileMode.OpenOrCreate, FileAccess.Write);
reader = GetReader (source, sname);
writer = GetWriter (dest, dname);
foreach (DictionaryEntry e in reader) {
object val = e.Value;
if (val is string)
writer.AddResource ((string)e.Key, (string)e.Value);
else
writer.AddResource ((string)e.Key, e.Value);
}
reader.Close ();
writer.Close ();
} catch (Exception e) {
Console.WriteLine ("Error: {0}", e.Message);
return 1;
}
return 0;
}
}
class TxtResourceWriter : IResourceWriter {
StreamWriter s;
public TxtResourceWriter (Stream stream) {
s = new StreamWriter (stream);
}
public void AddResource (string name, byte[] value) {
throw new Exception ("Binary data not valid in a text resource file");
}
public void AddResource (string name, object value) {
if (value is string) {
AddResource (name, (string)value);
return;
}
throw new Exception ("Objects not valid in a text resource file");
}
/* FIXME: handle newlines */
public void AddResource (string name, string value) {
s.WriteLine ("{0}={1}", name, value);
}
public void Close () {
s.Close ();
}
public void Dispose () {}
public void Generate () {}
}
class TxtResourceReader : IResourceReader {
Hashtable data;
Stream s;
public TxtResourceReader (Stream stream) {
data = new Hashtable ();
s = stream;
Load ();
}
public virtual void Close () {
}
public IDictionaryEnumerator GetEnumerator() {
return data.GetEnumerator ();
}
void Load () {
StreamReader reader = new StreamReader (s);
string line, key, val;
int epos, line_num = 0;
while ((line = reader.ReadLine ()) != null) {
line_num++;
line = line.Trim ();
if (line.Length == 0 || line [0] == '#' ||
line [0] == ';')
continue;
epos = line.IndexOf ('=');
if (epos < 0)
throw new Exception ("Invalid format at line " + line_num);
key = line.Substring (0, epos);
val = line.Substring (epos + 1);
key = key.Trim ();
val = val.Trim ();
if (key.Length == 0)
throw new Exception ("Key is empty at line " + line_num);
data.Add (key, val);
}
}
IEnumerator IEnumerable.GetEnumerator () {
return ((IResourceReader) this).GetEnumerator();
}
void IDisposable.Dispose () {}
}
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