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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "translator.h"
#include "simtexth.h"
#include <iostream>
#include <stdio.h>
#ifdef Q_OS_WIN
// required for _setmode, to avoid _O_TEXT streams...
# ifdef Q_OS_WINCE
# include <stdlib.h>
# else
# include <io.h> // for _setmode
# include <fcntl.h> // for _O_BINARY
# endif
#endif
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QFileInfo>
#include <QtCore/QTextStream>
#include <private/qlocale_p.h>
#include <private/qtranslator_p.h>
QT_BEGIN_NAMESPACE
Translator::Translator() :
m_locationsType(AbsoluteLocations),
m_indexOk(true)
{
}
void Translator::registerFileFormat(const FileFormat &format)
{
//qDebug() << "Translator: Registering format " << format.extension;
QList<Translator::FileFormat> &formats = registeredFileFormats();
for (int i = 0; i < formats.size(); ++i)
if (format.fileType == formats[i].fileType && format.priority < formats[i].priority) {
formats.insert(i, format);
return;
}
formats.append(format);
}
QList<Translator::FileFormat> &Translator::registeredFileFormats()
{
static QList<Translator::FileFormat> theFormats;
return theFormats;
}
void Translator::addIndex(int idx, const TranslatorMessage &msg) const
{
if (msg.sourceText().isEmpty() && msg.id().isEmpty()) {
m_ctxCmtIdx[msg.context()] = idx;
} else {
m_msgIdx[TMMKey(msg)] = idx;
if (!msg.id().isEmpty())
m_idMsgIdx[msg.id()] = idx;
}
}
void Translator::delIndex(int idx) const
{
const TranslatorMessage &msg = m_messages.at(idx);
if (msg.sourceText().isEmpty() && msg.id().isEmpty()) {
m_ctxCmtIdx.remove(msg.context());
} else {
m_msgIdx.remove(TMMKey(msg));
if (!msg.id().isEmpty())
m_idMsgIdx.remove(msg.id());
}
}
void Translator::ensureIndexed() const
{
if (!m_indexOk) {
m_indexOk = true;
m_ctxCmtIdx.clear();
m_idMsgIdx.clear();
m_msgIdx.clear();
for (int i = 0; i < m_messages.count(); i++)
addIndex(i, m_messages.at(i));
}
}
void Translator::replaceSorted(const TranslatorMessage &msg)
{
int index = find(msg);
if (index == -1) {
appendSorted(msg);
} else {
delIndex(index);
m_messages[index] = msg;
addIndex(index, msg);
}
}
static QString elidedId(const QString &id, int len)
{
return id.length() <= len ? id : id.left(len - 5) + QLatin1String("[...]");
}
static QString makeMsgId(const TranslatorMessage &msg)
{
QString id = msg.context() + QLatin1String("//") + elidedId(msg.sourceText(), 100);
if (!msg.comment().isEmpty())
id += QLatin1String("//") + elidedId(msg.comment(), 30);
return id;
}
void Translator::extend(const TranslatorMessage &msg, ConversionData &cd)
{
int index = find(msg);
if (index == -1) {
append(msg);
} else {
TranslatorMessage &emsg = m_messages[index];
if (emsg.sourceText().isEmpty()) {
emsg.setSourceText(msg.sourceText());
} else if (!msg.sourceText().isEmpty() && emsg.sourceText() != msg.sourceText()) {
cd.appendError(QString::fromLatin1("Contradicting source strings for message with id '%1'.")
.arg(emsg.id()));
return;
}
if (emsg.extras().isEmpty()) {
emsg.setExtras(msg.extras());
} else if (!msg.extras().isEmpty() && emsg.extras() != msg.extras()) {
cd.appendError(QString::fromLatin1("Contradicting meta data for for %1.")
.arg(!emsg.id().isEmpty()
? QString::fromLatin1("message with id '%1'").arg(emsg.id())
: QString::fromLatin1("message '%1'").arg(makeMsgId(msg))));
return;
}
emsg.addReferenceUniq(msg.fileName(), msg.lineNumber());
if (!msg.extraComment().isEmpty()) {
QString cmt = emsg.extraComment();
if (!cmt.isEmpty()) {
QStringList cmts = cmt.split(QLatin1String("\n----------\n"));
if (!cmts.contains(msg.extraComment())) {
cmts.append(msg.extraComment());
cmt = cmts.join(QLatin1String("\n----------\n"));
}
} else {
cmt = msg.extraComment();
}
emsg.setExtraComment(cmt);
}
}
}
void Translator::insert(int idx, const TranslatorMessage &msg)
{
addIndex(idx, msg);
m_messages.insert(idx, msg);
}
void Translator::append(const TranslatorMessage &msg)
{
insert(m_messages.count(), msg);
}
void Translator::appendSorted(const TranslatorMessage &msg)
{
int msgLine = msg.lineNumber();
if (msgLine < 0) {
append(msg);
return;
}
int bestIdx = 0; // Best insertion point found so far
int bestScore = 0; // Its category: 0 = no hit, 1 = pre or post, 2 = middle
int bestSize = 0; // The length of the region. Longer is better within one category.
// The insertion point to use should this region turn out to be the best one so far
int thisIdx = 0;
int thisScore = 0;
int thisSize = 0;
// Working vars
int prevLine = 0;
int curIdx = 0;
foreach (const TranslatorMessage &mit, m_messages) {
bool sameFile = mit.fileName() == msg.fileName() && mit.context() == msg.context();
int curLine;
if (sameFile && (curLine = mit.lineNumber()) >= prevLine) {
if (msgLine >= prevLine && msgLine < curLine) {
thisIdx = curIdx;
thisScore = thisSize ? 2 : 1;
}
++thisSize;
prevLine = curLine;
} else {
if (thisSize) {
if (!thisScore) {
thisIdx = curIdx;
thisScore = 1;
}
if (thisScore > bestScore || (thisScore == bestScore && thisSize > bestSize)) {
bestIdx = thisIdx;
bestScore = thisScore;
bestSize = thisSize;
}
thisScore = 0;
thisSize = sameFile ? 1 : 0;
prevLine = 0;
}
}
++curIdx;
}
if (thisSize && !thisScore) {
thisIdx = curIdx;
thisScore = 1;
}
if (thisScore > bestScore || (thisScore == bestScore && thisSize > bestSize))
insert(thisIdx, msg);
else if (bestScore)
insert(bestIdx, msg);
else
append(msg);
}
static QString guessFormat(const QString &filename, const QString &format)
{
if (format != QLatin1String("auto"))
return format;
foreach (const Translator::FileFormat &fmt, Translator::registeredFileFormats()) {
if (filename.endsWith(QLatin1Char('.') + fmt.extension, Qt::CaseInsensitive))
return fmt.extension;
}
// the default format.
// FIXME: change to something more widely distributed later.
return QLatin1String("ts");
}
bool Translator::load(const QString &filename, ConversionData &cd, const QString &format)
{
cd.m_sourceDir = QFileInfo(filename).absoluteDir();
cd.m_sourceFileName = filename;
QFile file;
if (filename.isEmpty() || filename == QLatin1String("-")) {
#ifdef Q_OS_WIN
// QFile is broken for text files
# ifdef Q_OS_WINCE
::_setmode(stdin, _O_BINARY);
# else
::_setmode(0, _O_BINARY);
# endif
#endif
if (!file.open(stdin, QIODevice::ReadOnly)) {
cd.appendError(QString::fromLatin1("Cannot open stdin!? (%1)")
.arg(file.errorString()));
return false;
}
} else {
file.setFileName(filename);
if (!file.open(QIODevice::ReadOnly)) {
cd.appendError(QString::fromLatin1("Cannot open %1: %2")
.arg(filename, file.errorString()));
return false;
}
}
QString fmt = guessFormat(filename, format);
foreach (const FileFormat &format, registeredFileFormats()) {
if (fmt == format.extension) {
if (format.loader)
return (*format.loader)(*this, file, cd);
cd.appendError(QString(QLatin1String("No loader for format %1 found"))
.arg(fmt));
return false;
}
}
cd.appendError(QString(QLatin1String("Unknown format %1 for file %2"))
.arg(format, filename));
return false;
}
bool Translator::save(const QString &filename, ConversionData &cd, const QString &format) const
{
QFile file;
if (filename.isEmpty() || filename == QLatin1String("-")) {
#ifdef Q_OS_WIN
// QFile is broken for text files
# ifdef Q_OS_WINCE
::_setmode(stdout, _O_BINARY);
# else
::_setmode(1, _O_BINARY);
# endif
#endif
if (!file.open(stdout, QIODevice::WriteOnly)) {
cd.appendError(QString::fromLatin1("Cannot open stdout!? (%1)")
.arg(file.errorString()));
return false;
}
} else {
file.setFileName(filename);
if (!file.open(QIODevice::WriteOnly)) {
cd.appendError(QString::fromLatin1("Cannot create %1: %2")
.arg(filename, file.errorString()));
return false;
}
}
QString fmt = guessFormat(filename, format);
cd.m_targetDir = QFileInfo(filename).absoluteDir();
foreach (const FileFormat &format, registeredFileFormats()) {
if (fmt == format.extension) {
if (format.saver)
return (*format.saver)(*this, file, cd);
cd.appendError(QString(QLatin1String("Cannot save %1 files")).arg(fmt));
return false;
}
}
cd.appendError(QString(QLatin1String("Unknown format %1 for file %2"))
.arg(format).arg(filename));
return false;
}
QString Translator::makeLanguageCode(QLocale::Language language, QLocale::Country country)
{
QString result = QLocalePrivate::languageToCode(language);
if (language != QLocale::C && country != QLocale::AnyCountry) {
result.append(QLatin1Char('_'));
result.append(QLocalePrivate::countryToCode(country));
}
return result;
}
void Translator::languageAndCountry(const QString &languageCode,
QLocale::Language *lang, QLocale::Country *country)
{
QLocale::Script script;
QLocalePrivate::getLangAndCountry(languageCode, *lang, script, *country);
}
int Translator::find(const TranslatorMessage &msg) const
{
ensureIndexed();
if (msg.id().isEmpty())
return m_msgIdx.value(TMMKey(msg), -1);
int i = m_idMsgIdx.value(msg.id(), -1);
if (i >= 0)
return i;
i = m_msgIdx.value(TMMKey(msg), -1);
// If both have an id, then find only by id.
return i >= 0 && m_messages.at(i).id().isEmpty() ? i : -1;
}
int Translator::find(const QString &context,
const QString &comment, const TranslatorMessage::References &refs) const
{
if (!refs.isEmpty()) {
for (TMM::ConstIterator it = m_messages.constBegin(); it != m_messages.constEnd(); ++it) {
if (it->context() == context && it->comment() == comment)
foreach (const TranslatorMessage::Reference &itref, it->allReferences())
foreach (const TranslatorMessage::Reference &ref, refs)
if (itref == ref)
return it - m_messages.constBegin();
}
}
return -1;
}
int Translator::find(const QString &context) const
{
ensureIndexed();
return m_ctxCmtIdx.value(context, -1);
}
void Translator::stripObsoleteMessages()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); )
if (it->type() == TranslatorMessage::Obsolete || it->type() == TranslatorMessage::Vanished)
it = m_messages.erase(it);
else
++it;
m_indexOk = false;
}
void Translator::stripFinishedMessages()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); )
if (it->type() == TranslatorMessage::Finished)
it = m_messages.erase(it);
else
++it;
m_indexOk = false;
}
void Translator::stripEmptyContexts()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end();)
if (it->sourceText() == QLatin1String(ContextComment))
it = m_messages.erase(it);
else
++it;
m_indexOk = false;
}
void Translator::stripNonPluralForms()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); )
if (!it->isPlural())
it = m_messages.erase(it);
else
++it;
m_indexOk = false;
}
void Translator::stripIdenticalSourceTranslations()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); ) {
// we need to have just one translation, and it be equal to the source
if (it->translations().count() == 1 && it->translation() == it->sourceText())
it = m_messages.erase(it);
else
++it;
}
m_indexOk = false;
}
void Translator::dropTranslations()
{
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); ++it) {
if (it->type() == TranslatorMessage::Finished)
it->setType(TranslatorMessage::Unfinished);
it->setTranslation(QString());
}
}
void Translator::dropUiLines()
{
QString uiXt = QLatin1String(".ui");
QString juiXt = QLatin1String(".jui");
for (TMM::Iterator it = m_messages.begin(); it != m_messages.end(); ++it) {
QHash<QString, int> have;
QList<TranslatorMessage::Reference> refs;
foreach (const TranslatorMessage::Reference &itref, it->allReferences()) {
const QString &fn = itref.fileName();
if (fn.endsWith(uiXt) || fn.endsWith(juiXt)) {
if (++have[fn] == 1)
refs.append(TranslatorMessage::Reference(fn, -1));
} else {
refs.append(itref);
}
}
it->setReferences(refs);
}
}
struct TranslatorMessageIdPtr {
explicit TranslatorMessageIdPtr(const TranslatorMessage &tm)
{
ptr = &tm;
}
inline const TranslatorMessage *operator->() const
{
return ptr;
}
const TranslatorMessage *ptr;
};
Q_DECLARE_TYPEINFO(TranslatorMessageIdPtr, Q_MOVABLE_TYPE);
inline int qHash(TranslatorMessageIdPtr tmp)
{
return qHash(tmp->id());
}
inline bool operator==(TranslatorMessageIdPtr tmp1, TranslatorMessageIdPtr tmp2)
{
return tmp1->id() == tmp2->id();
}
struct TranslatorMessageContentPtr {
explicit TranslatorMessageContentPtr(const TranslatorMessage &tm)
{
ptr = &tm;
}
inline const TranslatorMessage *operator->() const
{
return ptr;
}
const TranslatorMessage *ptr;
};
Q_DECLARE_TYPEINFO(TranslatorMessageContentPtr, Q_MOVABLE_TYPE);
inline int qHash(TranslatorMessageContentPtr tmp)
{
int hash = qHash(tmp->context()) ^ qHash(tmp->sourceText());
if (!tmp->sourceText().isEmpty())
// Special treatment for context comments (empty source).
hash ^= qHash(tmp->comment());
return hash;
}
inline bool operator==(TranslatorMessageContentPtr tmp1, TranslatorMessageContentPtr tmp2)
{
if (tmp1->context() != tmp2->context() || tmp1->sourceText() != tmp2->sourceText())
return false;
// Special treatment for context comments (empty source).
if (tmp1->sourceText().isEmpty())
return true;
return tmp1->comment() == tmp2->comment();
}
Translator::Duplicates Translator::resolveDuplicates()
{
Duplicates dups;
QHash<TranslatorMessageIdPtr, int> idRefs;
QHash<TranslatorMessageContentPtr, int> contentRefs;
for (int i = 0; i < m_messages.count();) {
const TranslatorMessage &msg = m_messages.at(i);
TranslatorMessage *omsg;
int oi;
QSet<int> *pDup;
if (!msg.id().isEmpty()) {
QHash<TranslatorMessageIdPtr, int>::ConstIterator it =
idRefs.constFind(TranslatorMessageIdPtr(msg));
if (it != idRefs.constEnd()) {
oi = *it;
omsg = &m_messages[oi];
pDup = &dups.byId;
goto gotDupe;
}
}
{
QHash<TranslatorMessageContentPtr, int>::ConstIterator it =
contentRefs.constFind(TranslatorMessageContentPtr(msg));
if (it != contentRefs.constEnd()) {
oi = *it;
omsg = &m_messages[oi];
if (msg.id().isEmpty() || omsg->id().isEmpty()) {
if (!msg.id().isEmpty() && omsg->id().isEmpty()) {
omsg->setId(msg.id());
idRefs[TranslatorMessageIdPtr(*omsg)] = oi;
}
pDup = &dups.byContents;
goto gotDupe;
}
// This is really a content dupe, but with two distinct IDs.
}
}
if (!msg.id().isEmpty())
idRefs[TranslatorMessageIdPtr(msg)] = i;
contentRefs[TranslatorMessageContentPtr(msg)] = i;
++i;
continue;
gotDupe:
pDup->insert(oi);
if (!omsg->isTranslated() && msg.isTranslated())
omsg->setTranslations(msg.translations());
m_indexOk = false;
m_messages.removeAt(i);
}
return dups;
}
void Translator::reportDuplicates(const Duplicates &dupes,
const QString &fileName, bool verbose)
{
if (!dupes.byId.isEmpty() || !dupes.byContents.isEmpty()) {
std::cerr << "Warning: dropping duplicate messages in '" << qPrintable(fileName);
if (!verbose) {
std::cerr << "'\n(try -verbose for more info).\n";
} else {
std::cerr << "':\n";
foreach (int i, dupes.byId)
std::cerr << "\n* ID: " << qPrintable(message(i).id()) << std::endl;
foreach (int j, dupes.byContents) {
const TranslatorMessage &msg = message(j);
std::cerr << "\n* Context: " << qPrintable(msg.context())
<< "\n* Source: " << qPrintable(msg.sourceText()) << std::endl;
if (!msg.comment().isEmpty())
std::cerr << "* Comment: " << qPrintable(msg.comment()) << std::endl;
}
std::cerr << std::endl;
}
}
}
// Used by lupdate to be able to search using absolute paths during merging
void Translator::makeFileNamesAbsolute(const QDir &originalPath)
{
for (TMM::iterator it = m_messages.begin(); it != m_messages.end(); ++it) {
TranslatorMessage &msg = *it;
TranslatorMessage::References refs = msg.allReferences();
msg.setReferences(TranslatorMessage::References());
foreach (const TranslatorMessage::Reference &ref, refs) {
QString fileName = ref.fileName();
QFileInfo fi (fileName);
if (fi.isRelative())
fileName = originalPath.absoluteFilePath(fileName);
msg.addReference(fileName, ref.lineNumber());
}
}
}
QList<TranslatorMessage> Translator::messages() const
{
return m_messages;
}
QStringList Translator::normalizedTranslations(const TranslatorMessage &msg, int numPlurals)
{
QStringList translations = msg.translations();
int numTranslations = msg.isPlural() ? numPlurals : 1;
// make sure that the stringlist always have the size of the
// language's current numerus, or 1 if its not plural
if (translations.count() > numTranslations) {
for (int i = translations.count(); i > numTranslations; --i)
translations.removeLast();
} else if (translations.count() < numTranslations) {
for (int i = translations.count(); i < numTranslations; ++i)
translations.append(QString());
}
return translations;
}
void Translator::normalizeTranslations(ConversionData &cd)
{
bool truncated = false;
QLocale::Language l;
QLocale::Country c;
languageAndCountry(languageCode(), &l, &c);
int numPlurals = 1;
if (l != QLocale::C) {
QStringList forms;
if (getNumerusInfo(l, c, 0, &forms, 0))
numPlurals = forms.count(); // includes singular
}
for (int i = 0; i < m_messages.count(); ++i) {
const TranslatorMessage &msg = m_messages.at(i);
QStringList tlns = msg.translations();
int ccnt = msg.isPlural() ? numPlurals : 1;
if (tlns.count() != ccnt) {
while (tlns.count() < ccnt)
tlns.append(QString());
while (tlns.count() > ccnt) {
tlns.removeLast();
truncated = true;
}
m_messages[i].setTranslations(tlns);
}
}
if (truncated)
cd.appendError(QLatin1String(
"Removed plural forms as the target language has less "
"forms.\nIf this sounds wrong, possibly the target language is "
"not set or recognized."));
}
QString Translator::guessLanguageCodeFromFileName(const QString &filename)
{
QString str = filename;
foreach (const FileFormat &format, registeredFileFormats()) {
if (str.endsWith(format.extension)) {
str = str.left(str.size() - format.extension.size() - 1);
break;
}
}
static QRegExp re(QLatin1String("[\\._]"));
while (true) {
QLocale locale(str);
//qDebug() << "LANGUAGE FROM " << str << "LANG: " << locale.language();
if (locale.language() != QLocale::C) {
//qDebug() << "FOUND " << locale.name();
return locale.name();
}
int pos = str.indexOf(re);
if (pos == -1)
break;
str = str.mid(pos + 1);
}
//qDebug() << "LANGUAGE GUESSING UNSUCCESSFUL";
return QString();
}
bool Translator::hasExtra(const QString &key) const
{
return m_extra.contains(key);
}
QString Translator::extra(const QString &key) const
{
return m_extra[key];
}
void Translator::setExtra(const QString &key, const QString &value)
{
m_extra[key] = value;
}
void Translator::dump() const
{
for (int i = 0; i != messageCount(); ++i)
message(i).dump();
}
QT_END_NAMESPACE
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