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//
// PoResourceReader.cs: Reader from monoresgen.
//
// Author:
// Marek Sieradzki (marek.sieradzki@gmail.com)
// Paolo Molaro (lupus@ximian.com)
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2005 Marek Sieradzki
//
// 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.Collections;
using System.IO;
using System.Resources;
using System.Text;
namespace Mono.XBuild.Tasks.GenerateResourceInternal {
internal class PoResourceReader : IResourceReader {
Hashtable data;
Stream s;
int line_num;
public PoResourceReader (Stream stream)
{
data = new Hashtable ();
s = stream;
Load ();
}
public virtual void Close ()
{
s.Close ();
}
public IDictionaryEnumerator GetEnumerator()
{
return data.GetEnumerator ();
}
string GetValue (string line)
{
int begin = line.IndexOf ('"');
if (begin == -1)
throw new FormatException (String.Format ("No begin quote at line {0}: {1}", line_num, line));
int end = line.LastIndexOf ('"');
if (end == -1)
throw new FormatException (String.Format ("No closing quote at line {0}: {1}", line_num, line));
return line.Substring (begin + 1, end - begin - 1);
}
void Load ()
{
StreamReader reader = new StreamReader (s);
string line;
string msgid = null;
string msgstr = null;
bool ignoreNext = false;
while ((line = reader.ReadLine ()) != null) {
line_num++;
line = line.Trim ();
if (line.Length == 0)
continue;
if (line [0] == '#') {
if (line.Length == 1 || line [1] != ',')
continue;
if (line.IndexOf ("fuzzy") != -1) {
ignoreNext = true;
if (msgid != null) {
if (msgstr == null)
throw new FormatException ("Error. Line: " + line_num);
data.Add (msgid, msgstr);
msgid = null;
msgstr = null;
}
}
continue;
}
if (line.StartsWith ("msgid ")) {
if (msgid == null && msgstr != null)
throw new FormatException ("Found 2 consecutive msgid. Line: " + line_num);
if (msgstr != null) {
if (!ignoreNext)
data.Add (msgid, msgstr);
ignoreNext = false;
msgid = null;
msgstr = null;
}
msgid = GetValue (line);
continue;
}
if (line.StartsWith ("msgstr ")) {
if (msgid == null)
throw new FormatException ("msgstr with no msgid. Line: " + line_num);
msgstr = GetValue (line);
continue;
}
if (line [0] == '"') {
if (msgid == null || msgstr == null)
throw new FormatException ("Invalid format. Line: " + line_num);
msgstr += GetValue (line);
continue;
}
throw new FormatException ("Unexpected data. Line: " + line_num);
}
if (msgid != null) {
if (msgstr == null)
throw new FormatException ("Expecting msgstr. Line: " + line_num);
if (!ignoreNext)
data.Add (msgid, msgstr);
}
}
IEnumerator IEnumerable.GetEnumerator ()
{
return GetEnumerator();
}
void IDisposable.Dispose ()
{
if (data != null)
data = null;
if (s != null) {
s.Close ();
s = null;
}
}
}
}
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