private static void ParseBody(TextReader fs, string line, StringBuilder sb, I18NMessage message, Regex quoted)
{
if (!string.IsNullOrEmpty(line))
{
if (line.StartsWith("msgid"))
{
var msgid = quoted.Match(line).Value;
sb.Append(msgid.Substring(1, msgid.Length - 2));
while ((line = fs.ReadLine()) != null && !line.StartsWith("msgstr") && !string.IsNullOrWhiteSpace(msgid = quoted.Match(line).Value))
{
sb.Append(msgid.Substring(1, msgid.Length - 2));
}
message.MsgId = sb.ToString();
}
sb.Clear();
if (!string.IsNullOrEmpty(line) && line.StartsWith("msgstr"))
{
//var msgstr = quoted.Match(line).Value;
//sb.Append(msgstr.Substring(1, msgstr.Length - 2));
int firstIndex = line.IndexOf('\"');
int lastIndex = line.LastIndexOf('\"');
var msgstr = line.Substring(firstIndex + 1, lastIndex - firstIndex - 1);
sb.Append(msgstr);
while ((line = fs.ReadLine()) != null && !string.IsNullOrEmpty(msgstr = quoted.Match(line).Value))
{
sb.Append(msgstr.Substring(1, msgstr.Length - 2));
}
message.MsgStr = sb.ToString();
}
}
}
private static void ParseBody(TextReader fs, string line, StringBuilder sb, I18NMessage message)
{
if (!string.IsNullOrEmpty(line))
{
if (line.StartsWith("msgid"))
{
var msgid = line.Unquote();
sb.Append(msgid);
while ((line = fs.ReadLine()) != null && !line.StartsWith("msgstr") && (msgid = line.Unquote()) != null)
{
sb.Append(msgid);
}
message.MsgId = sb.ToString().Unescape();
}
sb.Clear();
if (!string.IsNullOrEmpty(line) && line.StartsWith("msgstr"))
{
var msgstr = line.Unquote();
sb.Append(msgstr);
while ((line = fs.ReadLine()) != null && (msgstr = line.Unquote()) != null)
{
sb.Append(msgstr);
}
message.MsgStr = sb.ToString().Unescape();
}
}
}
public static void LoadFromDiskAndCache(string culture, string path)
{
//If the msgstr is 1 word length, e.g. msgstr \"a\", it does not worked
var quoted = new Regex("(?:\"(?:[^\"]+.)*\")", RegexOptions.Compiled);
lock (Sync)
{
using (var fs = File.OpenText(path))
{
// http://www.gnu.org/s/hello/manual/gettext/PO-Files.html
var messages = new List <I18NMessage>(0);
string line;
while ((line = fs.ReadLine()) != null)
{
if (line.StartsWith("#~") || line.StartsWith("#,"))
{
continue;
}
var message = new I18NMessage();
var sb = new StringBuilder();
if (line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
while ((line = fs.ReadLine()) != null && line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
}
message.Comment = sb.ToString();
sb.Clear();
ParseBody(fs, line, sb, message, quoted);
messages.Add(message);
}
else if (line.StartsWith("msgid"))
{
ParseBody(fs, line, sb, message, quoted);
}
}
lock (Sync)
{
// If the file changes we want to be able to rebuild the index without recompiling
HttpRuntime.Cache.Insert(string.Format("po:{0}", culture), messages, new CacheDependency(path));
}
}
}
}
private static string GetTextOrDefault(string culture, string key)
{
// Note that there is no need to serialize access to HttpRuntime.Cache when just reading from it.
//
var messages = (Dictionary <string, I18NMessage>)HttpRuntime.Cache[GetCacheKey(culture)];
I18NMessage message = null;
if (messages == null || !messages.TryGetValue(key, out message))
{
return(key);
}
return(message.MsgStr);
// We check this for null/empty before adding to collection.
}
private static void ParseBody(TextReader fs, string line, StringBuilder sb, I18NMessage message, Regex quoted)
{
if(!string.IsNullOrEmpty(line))
{
if(line.StartsWith("msgid"))
{
var msgid = quoted.Match(line).Value;
sb.Append(msgid.Substring(1, msgid.Length - 2));
while ((line = fs.ReadLine()) != null && !line.StartsWith("msgstr") && !string.IsNullOrWhiteSpace(msgid = quoted.Match(line).Value))
{
sb.Append(msgid.Substring(1, msgid.Length - 2));
}
message.MsgId = sb.ToString();
}
sb.Clear();
if(!string.IsNullOrEmpty(line) && line.StartsWith("msgstr"))
{
var msgstr = quoted.Match(line).Value;
sb.Append(msgstr.Substring(1, msgstr.Length - 2));
while ((line = fs.ReadLine()) != null && !string.IsNullOrEmpty(msgstr = quoted.Match(line).Value))
{
sb.Append(msgstr.Substring(1, msgstr.Length - 2));
}
message.MsgStr = sb.ToString();
}
}
}
private static void LoadFromDiskAndCache(string culture, string path)
{
var quoted = new Regex("(?:\"(?:[^\"]+.)*\")", RegexOptions.Compiled);
lock (_sync)
{
using (var fs = File.OpenText(path))
{
// http://www.gnu.org/s/hello/manual/gettext/PO-Files.html
var messages = new List<I18NMessage>(0);
string line;
while ((line = fs.ReadLine()) != null)
{
if (line.StartsWith("#~"))
{
continue;
}
var message = new I18NMessage();
var sb = new StringBuilder();
if (line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
while((line = fs.ReadLine()) != null && line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
}
message.Comment = sb.ToString();
sb.Clear();
ParseBody(fs, line, sb, message, quoted);
messages.Add(message);
}
else if (line.StartsWith("msgid"))
{
ParseBody(fs, line, sb, message, quoted);
}
}
lock (_sync)
{
// If the file changes we want to be able to rebuild the index without recompiling
HttpRuntime.Cache.Insert(string.Format("po:{0}", culture), messages, new CacheDependency(path));
}
}
}
}
private static void ParseBody(TextReader fs, string line, StringBuilder sb, I18NMessage message)
{
if(!string.IsNullOrEmpty(line))
{
if(line.StartsWith("msgid"))
{
var msgid = line.Unquote();
sb.Append(msgid);
while ((line = fs.ReadLine()) != null && !line.StartsWith("msgstr") && (msgid = line.Unquote()) != null)
{
sb.Append(msgid);
}
message.MsgId = sb.ToString().Unescape();
}
sb.Clear();
if(!string.IsNullOrEmpty(line) && line.StartsWith("msgstr"))
{
var msgstr = line.Unquote();
sb.Append(msgstr);
while ((line = fs.ReadLine()) != null && (msgstr = line.Unquote()) != null)
{
sb.Append(msgstr);
}
message.MsgStr = sb.ToString().Unescape();
}
}
}
private static void LoadFromDiskAndCache(string culture, string path)
{
lock (Sync)
{
// It is possible for multiple threads to race to this method. The first to
// enter the above lock will insert the messages into the cache.
// If we lost the race...no need to duplicate the work of the winning thread.
if (HttpRuntime.Cache[GetCacheKey(culture)] != null) {
return; }
using (var fs = File.OpenText(path))
{
// http://www.gnu.org/s/hello/manual/gettext/PO-Files.html
var messages = new Dictionary<string, I18NMessage>(0);
string line;
while ((line = fs.ReadLine()) != null)
{
if (line.StartsWith("#~"))
{
continue;
}
var message = new I18NMessage();
var sb = new StringBuilder();
if (line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
while((line = fs.ReadLine()) != null && line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
}
message.Comment = sb.ToString();
sb.Clear();
ParseBody(fs, line, sb, message);
// Only if a msgstr (translation) is provided for this entry do we add an entry to the cache.
// This conditions facilitates more useful operation of the GetLanguageIfAvailable method,
// which prior to this condition was indicating a language was available when in fact there
// were zero translation in the PO file (it having been autogenerated during gettext merge).
if (!string.IsNullOrWhiteSpace(message.MsgStr))
{
if (!messages.ContainsKey(message.MsgId))
{
messages.Add(message.MsgId, message);
}
}
}
else if (line.StartsWith("msgid"))
{
ParseBody(fs, line, sb, message);
}
}
//lock (Sync)
{
// If the file changes we want to be able to rebuild the index without recompiling
HttpRuntime.Cache.Insert(GetCacheKey(culture), messages, new CacheDependency(path));
}
}
}
}
private static void LoadFromDiskAndCache(string culture, string path)
{
lock (Sync)
{
// It is possible for multiple threads to race to this method. The first to
// enter the above lock will insert the messages into the cache.
// If we lost the race...no need to duplicate the work of the winning thread.
if (HttpRuntime.Cache[GetCacheKey(culture)] != null)
{
return;
}
using (var fs = File.OpenText(path))
{
// http://www.gnu.org/s/hello/manual/gettext/PO-Files.html
var messages = new Dictionary <string, I18NMessage>(0);
string line;
while ((line = fs.ReadLine()) != null)
{
if (line.StartsWith("#~"))
{
continue;
}
var message = new I18NMessage();
var sb = new StringBuilder();
if (line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
while ((line = fs.ReadLine()) != null && line.StartsWith("#"))
{
sb.Append(CleanCommentLine(line));
}
message.Comment = sb.ToString();
sb.Clear();
ParseBody(fs, line, sb, message);
// Only if a msgstr (translation) is provided for this entry do we add an entry to the cache.
// This conditions facilitates more useful operation of the GetLanguageIfAvailable method,
// which prior to this condition was indicating a language was available when in fact there
// were zero translation in the PO file (it having been autogenerated during gettext merge).
if (!string.IsNullOrWhiteSpace(message.MsgStr))
{
if (!messages.ContainsKey(message.MsgId))
{
messages.Add(message.MsgId, message);
}
}
}
else if (line.StartsWith("msgid"))
{
ParseBody(fs, line, sb, message);
}
}
//lock (Sync)
{
// If the file changes we want to be able to rebuild the index without recompiling
HttpRuntime.Cache.Insert(GetCacheKey(culture), messages, new CacheDependency(path));
}
}
}
}
