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/*
* This file is part of Poedit (https://poedit.net)
*
* Copyright (C) 2013-2016 Vaclav Slavik
*
* 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.
*
*/
#ifndef DONT_MIGRATE_LEGACY_TM
#include "transmem.h"
#include "logcapture.h"
#include "errors.h"
#include <wx/app.h>
#include <wx/string.h>
#include <wx/log.h>
#include <wx/intl.h>
#include <wx/utils.h>
#include <wx/filename.h>
#include <wx/process.h>
#include <wx/config.h>
#include <wx/stdpaths.h>
#include <wx/msgdlg.h>
#include <wx/progdlg.h>
#include <wx/intl.h>
#include <wx/sstream.h>
#include <expat.h>
namespace
{
wxString GetLegacyDatabaseDirInternal()
{
wxString data;
#if defined(__UNIX__) && !defined(__WXOSX__)
if (!wxGetEnv("XDG_DATA_HOME", &data))
data = wxGetHomeDir() + "/.local/share";
data += "/poedit";
#else
data = wxStandardPaths::Get().GetUserDataDir();
#endif
data += wxFILE_SEP_PATH;
data += "TM";
if (wxFileName::DirExists(data))
return data;
else
return wxString();
}
wxString GetLegacyDatabaseDir()
{
wxString path = wxConfig::Get()->Read("/TM/database_path", "");
if (path.empty() || !wxFileName::DirExists(path))
path = GetLegacyDatabaseDirInternal();
#ifdef __WXMSW__
return wxFileName(path).GetShortPath();
#else
return path;
#endif
}
wxString GetDumpToolPath()
{
#if defined(__WXOSX__) || defined(__WXMSW__)
wxFileName path(wxStandardPaths::Get().GetExecutablePath());
path.SetName("dump-legacy-tm");
#ifdef __WXMSW__
path.SetExt("exe");
return path.GetShortPath();
#else
return path.GetFullPath();
#endif
#else
return wxStandardPaths::Get().GetInstallPrefix() + "/lib/poedit/poedit-dump-legacy-tm";
#endif
}
class DumpProcess : public wxProcess
{
public:
DumpProcess() : wxProcess(), terminated(false), status(0) {}
virtual void OnTerminate(int, int status_)
{
status = status_;
terminated = true;
}
bool terminated;
int status;
};
// Note: Expat is used for parsing, because the data may potentially be huge and
// streaming the content avoids excessive memory usage.
struct ExpatContext
{
wxProgressDialog *progress;
Language lang;
int count;
std::shared_ptr<TranslationMemory::Writer> tm;
};
void XMLCALL OnStartElement(void *data, const char *name, const char **attrs)
{
ExpatContext& ctxt = *static_cast<ExpatContext*>(data);
if ( strcmp(name, "language") == 0 )
{
for ( int i = 0; attrs[i]; i += 2 )
{
if (strcmp(attrs[i], "lang") == 0)
ctxt.lang = Language::TryParse(wxString::FromUTF8(attrs[i+1]).ToStdWstring());
}
}
if ( strcmp(name, "i") == 0 )
{
wxString s, t;
for ( int i = 0; attrs[i]; i += 2 )
{
if (strcmp(attrs[i], "s") == 0)
s = wxString::FromUTF8(attrs[i+1]);
else if (strcmp(attrs[i], "t") == 0)
t = wxString::FromUTF8(attrs[i+1]);
if (!s.empty() && !t.empty())
{
static const auto srclang = Language::English();
ctxt.tm->Insert(srclang, ctxt.lang, s.ToStdWstring(), t.ToStdWstring());
if (ctxt.count++ % 47 == 0)
ctxt.progress->Pulse(wxString::Format(_("Importing translations: %d"), ctxt.count));
}
}
}
}
void XMLCALL OnEndElement(void*, const char*)
{
// nothing to do
}
void DoMigrate(const wxString& path, const wxString& languages)
{
LogCapture log;
const wxString tool = GetDumpToolPath();
wxLogTrace("poedit.tm", "TM migration - tool: '%s'", tool);
wxLogVerbose("%s \"%s\" \"%s\"", tool, path, languages);
wxProgressDialog progress(_("Poedit Update"), _("Preparing migration..."));
wxCharBuffer tool_utf8(tool.utf8_str());
wxCharBuffer path_utf8(path.utf8_str());
wxCharBuffer langs_utf8(languages.utf8_str());
char *argv_utf8[] = { tool_utf8.data(), path_utf8.data(), langs_utf8.data(), nullptr };
DumpProcess callback;
callback.Redirect();
long executeStatus = wxExecute(argv_utf8, wxEXEC_ASYNC, &callback);
if (executeStatus <= 0)
throw Exception(log.text);
auto sout = callback.GetInputStream();
auto serr = callback.GetErrorStream();
ExpatContext ctxt;
ctxt.progress = &progress;
ctxt.count = 0;
ctxt.tm = TranslationMemory::Get().GetWriter();
XML_Parser parser = XML_ParserCreate(NULL);
XML_SetUserData(parser, &ctxt);
XML_SetElementHandler(parser, OnStartElement, OnEndElement);
while (!callback.terminated)
{
#if defined(__UNIX__)
if ( wxTheApp )
wxTheApp->CheckSignal();
#elif defined(__WXMSW__)
wxYield(); // so that OnTerminate() is called
#endif
wxMilliSleep(1);
while (callback.IsInputAvailable())
{
char buf[4096];
sout->Read(buf, 4096);
size_t read = sout->LastRead();
XML_Parse(parser, buf, (int)read, XML_FALSE);
}
while (callback.IsErrorAvailable())
{
wxStringOutputStream logstream(&log.text);
serr->Read(logstream);
}
}
XML_Parse(parser, "", 0, XML_TRUE);
XML_ParserFree(parser);
if (callback.status == 0)
{
progress.Pulse(_("Finalizing..."));
progress.Pulse();
ctxt.tm->Commit();
}
if (callback.status != 0)
{
log.Append(wxString::Format(_("Migration exit status: %d"), callback.status));
throw Exception(log.text);
}
}
} // anonymous namespace
/**
Migrates existing BerkeleyDB-based translation memory into the new Lucene
format.
@return false if the user declined to do it, true otherwise (even on failure!)
*/
bool MigrateLegacyTranslationMemory()
{
if (wxConfig::Get()->ReadBool("/TM/legacy_migration_failed", false))
return true; // failed migration shouldn't prevent Poedit from working
const wxString languages = wxConfig::Get()->Read("/TM/languages", "");
if (languages.empty())
return true; // no migration to perform
const wxString path = GetLegacyDatabaseDir();
wxLogTrace("poedit.tm", "TM migration - path: '%s', languages: '%s'", path, languages);
if (path.empty())
return true; // no migration to perform
{
wxMessageDialog dlg
(
nullptr,
_("Poedit needs to convert your translation memory to a new format."),
_("Poedit Update"),
wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
);
dlg.SetExtendedMessage(_("This must be done before Poedit can start. It may take a few minutes if you have lots of translations stored, but should normally be much faster."));
dlg.SetYesNoLabels(_("Proceed"), _("Quit"));
if (dlg.ShowModal() != wxID_YES)
return false;
}
try
{
DoMigrate(path, languages);
// migration successed, remove old TM:
if (path == GetLegacyDatabaseDirInternal())
{
wxLogNull null;
wxFileName::Rmdir(path, wxPATH_RMDIR_RECURSIVE);
}
// else: points to a user directory; play it safe and don't delete
wxConfigBase::Get()->DeleteGroup("/TM");
}
catch (Exception& e)
{
wxConfig::Get()->Write("/TM/legacy_migration_failed", true);
wxMessageDialog dlg
(
nullptr,
_("Translation memory migration failed."),
_("Poedit Update"),
wxOK | wxICON_ERROR
);
dlg.SetExtendedMessage(wxString::Format(
_(L"Your translation memory data couldn't be migrated. The error was:\n\n%s\nPlease email help@poedit.net and we’ll get it fixed."),
e.What()));
dlg.ShowModal();
}
return true;
}
#endif // !DONT_MIGRATE_LEGACY_TM
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