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Claunia.Localization/Claunia.Localization.Parsers/GetText.cs

272 lines
12 KiB
C#

using System;
using System.IO;
using System.Text;
using Claunia.Localization.Core;
namespace Claunia.Localization.Parsers
{
public static class GetText
{
public static Core.Localization Parse(string catalog)
{
using(StringReader sr = new StringReader(catalog)) return Parse(sr);
}
public static Core.Localization Parse(string path, Encoding encoding)
{
using(FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
{
using(StreamReader sr = new StreamReader(fs, encoding)) return Parse(sr);
}
}
public static Core.Localization Parse(Stream catalog)
{
using(StreamReader sr = new StreamReader(catalog)) return Parse(sr);
}
public static Core.Localization Parse(TextReader catalog)
{
Core.Localization localization = new Core.Localization();
string line = "";
string currentMsgId = "";
string currentMsgString = "";
Translator currentTranslator = null;
string currentLocale = null;
bool firstEmptyMessageId = true;
string currentComment = "";
string extractedComment = "";
string currentReference = "";
string currentContext = "";
Language currentLanguage = Language.None;
while(line != null)
{
line = catalog.ReadLine();
if(line is null) break;
if(line == string.Empty)
{
if(!firstEmptyMessageId)
{
Message message = localization.NewMessage();
message.Comments = extractedComment;
message.Context = currentContext;
message.Reference = currentReference;
message.Source.Singular = currentMsgId;
message.Id = currentContext + currentMsgId;
LocalizedString localizedString = message.NewLocalizedString();
localizedString.Comments = currentComment;
localizedString.Locale = currentLocale;
localizedString.Singular = currentMsgString;
localizedString.Translator = currentTranslator?.Id;
// TODO: Parse per programming language
}
firstEmptyMessageId = false;
currentMsgId = "";
currentMsgString = "";
currentComment = "";
extractedComment = "";
currentReference = "";
currentContext = "";
continue; // TODO
}
if(line[0] == '#')
{
if(line.Length == 1)
{
if(!firstEmptyMessageId) currentComment += Environment.NewLine;
continue;
}
switch(line[1])
{
case ' ':
if(firstEmptyMessageId) break;
currentComment += line.Substring(2) + Environment.NewLine;
continue;
case '.':
extractedComment += line.Substring(3) + Environment.NewLine;
continue;
case ':':
currentReference += line.Substring(3) + Environment.NewLine;
continue;
case ',':
string flags = line.Substring(2);
switch(flags)
{
case "fuzzy": continue;
case "c-format":
currentLanguage = Language.C;
continue;
case "objc-format":
currentLanguage = Language.ObjectiveC;
continue;
case "sh-format":
currentLanguage = Language.Shell;
continue;
case "python-format":
currentLanguage = Language.Python;
continue;
case "python-brace-format":
currentLanguage = Language.PythonBraced;
continue;
case "lisp-format":
currentLanguage = Language.Lisp;
continue;
case "elisp-format":
currentLanguage = Language.EmacsLisp;
continue;
case "librep-format":
currentLanguage = Language.Librep;
continue;
case "scheme-format":
currentLanguage = Language.Scheme;
continue;
case "smalltalk-format":
currentLanguage = Language.Smalltalk;
continue;
case "java-format":
currentLanguage = Language.Java;
continue;
case "csharp-format":
currentLanguage = Language.CSharp;
continue;
case "awk-format":
currentLanguage = Language.Awk;
continue;
case "object-pascal-format":
currentLanguage = Language.ObjectPascal;
continue;
case "ycp-format":
currentLanguage = Language.Ycp;
continue;
case "tcl-format":
currentLanguage = Language.Tcl;
continue;
case "perl-format":
currentLanguage = Language.Perl;
continue;
case "perl-brace-format":
currentLanguage = Language.PerlBraced;
continue;
case "php-format":
currentLanguage = Language.Php;
continue;
case "gcc-internal-format":
currentLanguage = Language.GccInternal;
continue;
case "gfc-internal-format":
currentLanguage = Language.GfcInternal;
continue;
case "qt-format":
currentLanguage = Language.Qt;
continue;
case "qt-plural-format":
currentLanguage = Language.QtPlural;
continue;
case "kde-format":
currentLanguage = Language.Kde;
continue;
case "boost-format":
currentLanguage = Language.Boost;
continue;
case "lua-format":
currentLanguage = Language.Lua;
continue;
case "javascript-format":
currentLanguage = Language.JavaScript;
continue;
default:
currentLanguage = Language.None;
continue;
}
case '|': break;
}
}
if(line.StartsWith("msgid ", StringComparison.Ordinal))
{
currentMsgId += line.Substring(7, line.Length - 8);
continue;
}
if(line.StartsWith("msgstr ", StringComparison.Ordinal))
{
currentMsgString = line.Substring(7, line.Length - 8);
continue;
}
if(line[0] == '"')
{
if(currentMsgId != string.Empty)
{
currentMsgString += line.Substring(1, line.Length - 2);
continue;
}
string projectString = line.Substring(1, line.Length - 2);
if(projectString.StartsWith("Project-Id-Version", StringComparison.Ordinal))
{
string projectIdVersion = projectString.Substring(20, projectString.Length - 20);
if(projectIdVersion.EndsWith("\\n", StringComparison.Ordinal))
projectIdVersion = projectIdVersion.Substring(0, projectIdVersion.Length - 2);
localization.Project.Name = projectIdVersion;
continue;
}
if(projectString.StartsWith("Report-Msgid-Bugs-To", StringComparison.Ordinal))
{
string projectReportTo = projectString.Substring(22, projectString.Length - 22);
if(projectReportTo.EndsWith("\\n", StringComparison.Ordinal))
projectReportTo = projectReportTo.Substring(0, projectReportTo.Length - 2);
localization.Project.Url = projectReportTo;
continue;
}
if(projectString.StartsWith("Last-Translator", StringComparison.Ordinal))
{
string lastTranslator = projectString.Substring(17, projectString.Length - 17);
if(lastTranslator.EndsWith("\\n", StringComparison.Ordinal))
lastTranslator = lastTranslator.Substring(0, lastTranslator.Length - 2);
if(lastTranslator[lastTranslator.Length - 1] == '>')
{
int emailStart = lastTranslator.LastIndexOf('<');
string name = lastTranslator.Substring(0, emailStart - 1);
string email = lastTranslator.Substring(emailStart + 1,
lastTranslator.Length - emailStart - 2);
currentTranslator = localization.NewTranslator(name, email);
}
else currentTranslator = localization.NewTranslator(lastTranslator, null);
continue;
}
if(projectString.StartsWith("Language", StringComparison.Ordinal))
{
currentLocale = projectString.Substring(10, projectString.Length - 10);
if(currentLocale.EndsWith("\\n", StringComparison.Ordinal))
currentLocale = currentLocale.Substring(0, currentLocale.Length - 2);
}
}
}
return localization;
}
}
}