blob: bcafb6314d6b7c74773b6beb79e752cc76592a01 [file] [log] [blame]
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Linguist of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "translator.h"
#include <QtCore/QDebug>
#include <QtCore/QIODevice>
#include <QtCore/QHash>
#include <QtCore/QString>
#include <QtCore/QTextCodec>
#include <QtCore/QTextStream>
#include <ctype.h>
// Uncomment if you wish to hard wrap long lines in .po files. Note that this
// affects only msg strings, not comments.
//#define HARD_WRAP_LONG_WORDS
QT_BEGIN_NAMESPACE
static const int MAX_LEN = 79;
static QString poEscapedString(const QString &prefix, const QString &keyword,
bool noWrap, const QString &ba)
{
QStringList lines;
int off = 0;
QString res;
while (off < ba.length()) {
ushort c = ba[off++].unicode();
switch (c) {
case '\n':
res += QLatin1String("\\n");
lines.append(res);
res.clear();
break;
case '\r':
res += QLatin1String("\\r");
break;
case '\t':
res += QLatin1String("\\t");
break;
case '\v':
res += QLatin1String("\\v");
break;
case '\a':
res += QLatin1String("\\a");
break;
case '\b':
res += QLatin1String("\\b");
break;
case '\f':
res += QLatin1String("\\f");
break;
case '"':
res += QLatin1String("\\\"");
break;
case '\\':
res += QLatin1String("\\\\");
break;
default:
if (c < 32) {
res += QLatin1String("\\x");
res += QString::number(c, 16);
if (off < ba.length() && isxdigit(ba[off].unicode()))
res += QLatin1String("\"\"");
} else {
res += QChar(c);
}
break;
}
}
if (!res.isEmpty())
lines.append(res);
if (!lines.isEmpty()) {
if (!noWrap) {
if (lines.count() != 1 ||
lines.first().length() > MAX_LEN - keyword.length() - prefix.length() - 3)
{
QStringList olines = lines;
lines = QStringList(QString());
const int maxlen = MAX_LEN - prefix.length() - 2;
foreach (const QString &line, olines) {
int off = 0;
while (off + maxlen < line.length()) {
int idx = line.lastIndexOf(QLatin1Char(' '), off + maxlen - 1) + 1;
if (idx == off) {
#ifdef HARD_WRAP_LONG_WORDS
// This doesn't seem too nice, but who knows ...
idx = off + maxlen;
#else
idx = line.indexOf(QLatin1Char(' '), off + maxlen) + 1;
if (!idx)
break;
#endif
}
lines.append(line.mid(off, idx - off));
off = idx;
}
lines.append(line.mid(off));
}
}
} else if (lines.count() > 1) {
lines.prepend(QString());
}
}
return prefix + keyword + QLatin1String(" \"") +
lines.join(QLatin1String("\"\n") + prefix + QLatin1Char('"')) +
QLatin1String("\"\n");
}
static QString poEscapedLines(const QString &prefix, bool addSpace, const QStringList &lines)
{
QString out;
foreach (const QString &line, lines) {
out += prefix;
if (addSpace && !line.isEmpty())
out += QLatin1Char(' ' );
out += line;
out += QLatin1Char('\n');
}
return out;
}
static QString poEscapedLines(const QString &prefix, bool addSpace, const QString &in0)
{
QString in = in0;
if (in.endsWith(QLatin1Char('\n')))
in.chop(1);
return poEscapedLines(prefix, addSpace, in.split(QLatin1Char('\n')));
}
static QString poWrappedEscapedLines(const QString &prefix, bool addSpace, const QString &line)
{
const int maxlen = MAX_LEN - prefix.length();
QStringList lines;
int off = 0;
while (off + maxlen < line.length()) {
int idx = line.lastIndexOf(QLatin1Char(' '), off + maxlen - 1);
if (idx < off) {
#if 0 //def HARD_WRAP_LONG_WORDS
// This cannot work without messing up semantics, so do not even try.
#else
idx = line.indexOf(QLatin1Char(' '), off + maxlen);
if (idx < 0)
break;
#endif
}
lines.append(line.mid(off, idx - off));
off = idx + 1;
}
lines.append(line.mid(off));
return poEscapedLines(prefix, addSpace, lines);
}
struct PoItem
{
public:
PoItem()
: isPlural(false), isFuzzy(false)
{}
public:
QByteArray id;
QByteArray context;
QByteArray tscomment;
QByteArray oldTscomment;
QByteArray lineNumber;
QByteArray fileName;
QByteArray references;
QByteArray translatorComments;
QByteArray automaticComments;
QByteArray msgId;
QByteArray oldMsgId;
QList<QByteArray> msgStr;
bool isPlural;
bool isFuzzy;
QHash<QString, QString> extra;
};
static bool isTranslationLine(const QByteArray &line)
{
return line.startsWith("#~ msgstr") || line.startsWith("msgstr");
}
static QByteArray slurpEscapedString(const QList<QByteArray> &lines, int &l,
int offset, const QByteArray &prefix, ConversionData &cd)
{
QByteArray msg;
int stoff;
for (; l < lines.size(); ++l) {
const QByteArray &line = lines.at(l);
if (line.isEmpty() || !line.startsWith(prefix))
break;
while (isspace(line[offset])) // No length check, as string has no trailing spaces.
offset++;
if (line[offset] != '"')
break;
offset++;
forever {
if (offset == line.length())
goto premature_eol;
uchar c = line[offset++];
if (c == '"') {
if (offset == line.length())
break;
while (isspace(line[offset]))
offset++;
if (line[offset++] != '"') {
cd.appendError(QString::fromLatin1(
"PO parsing error: extra characters on line %1.")
.arg(l + 1));
break;
}
continue;
}
if (c == '\\') {
if (offset == line.length())
goto premature_eol;
c = line[offset++];
switch (c) {
case 'r':
msg += '\r'; // Maybe just throw it away?
break;
case 'n':
msg += '\n';
break;
case 't':
msg += '\t';
break;
case 'v':
msg += '\v';
break;
case 'a':
msg += '\a';
break;
case 'b':
msg += '\b';
break;
case 'f':
msg += '\f';
break;
case '"':
msg += '"';
break;
case '\\':
msg += '\\';
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
stoff = offset - 1;
while ((c = line[offset]) >= '0' && c <= '7')
if (++offset == line.length())
goto premature_eol;
msg += line.mid(stoff, offset - stoff).toUInt(0, 8);
break;
case 'x':
stoff = offset;
while (isxdigit(line[offset]))
if (++offset == line.length())
goto premature_eol;
msg += line.mid(stoff, offset - stoff).toUInt(0, 16);
break;
default:
cd.appendError(QString::fromLatin1(
"PO parsing error: invalid escape '\\%1' (line %2).")
.arg(QChar((uint)c)).arg(l + 1));
msg += '\\';
msg += c;
break;
}
} else {
msg += c;
}
}
offset = prefix.size();
}
--l;
return msg;
premature_eol:
cd.appendError(QString::fromLatin1(
"PO parsing error: premature end of line %1.").arg(l + 1));
return QByteArray();
}
static void slurpComment(QByteArray &msg, const QList<QByteArray> &lines, int & l)
{
QByteArray prefix = lines.at(l);
for (int i = 1; ; i++) {
if (prefix.at(i) != ' ') {
prefix.truncate(i);
break;
}
}
for (; l < lines.size(); ++l) {
const QByteArray &line = lines.at(l);
if (line.startsWith(prefix))
msg += line.mid(prefix.size());
else if (line != "#")
break;
msg += '\n';
}
--l;
}
static void splitContext(QByteArray *comment, QByteArray *context)
{
char *data = comment->data();
int len = comment->size();
int sep = -1, j = 0;
for (int i = 0; i < len; i++, j++) {
if (data[i] == '~' && i + 1 < len)
i++;
else if (data[i] == '|')
sep = j;
data[j] = data[i];
}
if (sep >= 0) {
QByteArray tmp = comment->mid(sep + 1, j - sep - 1);
comment->truncate(sep);
*context = *comment;
*comment = tmp;
} else {
comment->truncate(j);
}
}
static QString makePoHeader(const QString &str)
{
return QLatin1String("po-header-") + str.toLower().replace(QLatin1Char('-'), QLatin1Char('_'));
}
static QByteArray QByteArrayList_join(const QList<QByteArray> &that, char sep)
{
int totalLength = 0;
const int size = that.size();
for (int i = 0; i < size; ++i)
totalLength += that.at(i).size();
if (size > 0)
totalLength += size - 1;
QByteArray res;
if (totalLength == 0)
return res;
res.reserve(totalLength);
for (int i = 0; i < that.size(); ++i) {
if (i)
res += sep;
res += that.at(i);
}
return res;
}
bool loadPO(Translator &translator, QIODevice &dev, ConversionData &cd)
{
QTextCodec *codec = QTextCodec::codecForName(
cd.m_codecForSource.isEmpty() ? QByteArray("UTF-8") : cd.m_codecForSource);
bool error = false;
// format of a .po file entry:
// white-space
// # translator-comments
// #. automatic-comments
// #: reference...
// #, flag...
// #~ msgctxt, msgid*, msgstr - used for obsoleted messages
// #| msgctxt, msgid* previous untranslated-string - for fuzzy message
// msgctx string-context
// msgid untranslated-string
// -- For singular:
// msgstr translated-string
// -- For plural:
// msgid_plural untranslated-string-plural
// msgstr[0] translated-string
// ...
// we need line based lookahead below.
QList<QByteArray> lines;
while (!dev.atEnd())
lines.append(dev.readLine().trimmed());
lines.append(QByteArray());
int l = 0, lastCmtLine = -1;
bool qtContexts = false;
PoItem item;
for (; l != lines.size(); ++l) {
QByteArray line = lines.at(l);
if (line.isEmpty())
continue;
if (isTranslationLine(line)) {
bool isObsolete = line.startsWith("#~ msgstr");
const QByteArray prefix = isObsolete ? "#~ " : "";
while (true) {
int idx = line.indexOf(' ', prefix.length());
QByteArray str = slurpEscapedString(lines, l, idx, prefix, cd);
item.msgStr.append(str);
if (l + 1 >= lines.size() || !isTranslationLine(lines.at(l + 1)))
break;
++l;
line = lines.at(l);
}
if (item.msgId.isEmpty()) {
QHash<QString, QByteArray> extras;
QList<QByteArray> hdrOrder;
QByteArray pluralForms;
foreach (const QByteArray &hdr, item.msgStr.first().split('\n')) {
if (hdr.isEmpty())
continue;
int idx = hdr.indexOf(':');
if (idx < 0) {
cd.appendError(QString::fromLatin1("Unexpected PO header format '%1'")
.arg(QString::fromLatin1(hdr)));
error = true;
break;
}
QByteArray hdrName = hdr.left(idx).trimmed();
QByteArray hdrValue = hdr.mid(idx + 1).trimmed();
hdrOrder << hdrName;
if (hdrName == "X-Language") {
translator.setLanguageCode(QString::fromLatin1(hdrValue));
} else if (hdrName == "X-Source-Language") {
translator.setSourceLanguageCode(QString::fromLatin1(hdrValue));
} else if (hdrName == "X-Qt-Contexts") {
qtContexts = (hdrValue == "true");
} else if (hdrName == "Plural-Forms") {
pluralForms = hdrValue;
} else if (hdrName == "MIME-Version") {
// just assume it is 1.0
} else if (hdrName == "Content-Type") {
if (cd.m_codecForSource.isEmpty()) {
if (!hdrValue.startsWith("text/plain; charset=")) {
cd.appendError(QString::fromLatin1("Unexpected Content-Type header '%1'")
.arg(QString::fromLatin1(hdrValue)));
error = true;
// This will avoid a flood of conversion errors.
codec = QTextCodec::codecForName("latin1");
} else {
QByteArray cod = hdrValue.mid(20);
QTextCodec *cdc = QTextCodec::codecForName(cod);
if (!cdc) {
cd.appendError(QString::fromLatin1("Unsupported codec '%1'")
.arg(QString::fromLatin1(cod)));
error = true;
// This will avoid a flood of conversion errors.
codec = QTextCodec::codecForName("latin1");
} else {
codec = cdc;
}
}
}
} else if (hdrName == "Content-Transfer-Encoding") {
if (hdrValue != "8bit") {
cd.appendError(QString::fromLatin1("Unexpected Content-Transfer-Encoding '%1'")
.arg(QString::fromLatin1(hdrValue)));
return false;
}
} else if (hdrName == "X-Virgin-Header") {
// legacy
} else {
extras[makePoHeader(QString::fromLatin1(hdrName))] = hdrValue;
}
}
if (!pluralForms.isEmpty()) {
if (translator.languageCode().isEmpty()) {
extras[makePoHeader(QLatin1String("Plural-Forms"))] = pluralForms;
} else {
// FIXME: have fun with making a consistency check ...
}
}
// Eliminate the field if only headers we added are present in standard order.
// Keep in sync with savePO
static const char * const dfltHdrs[] = {
"MIME-Version", "Content-Type", "Content-Transfer-Encoding",
"Plural-Forms", "X-Language", "X-Source-Language", "X-Qt-Contexts"
};
uint cdh = 0;
for (int cho = 0; cho < hdrOrder.length(); cho++) {
for (;; cdh++) {
if (cdh == sizeof(dfltHdrs)/sizeof(dfltHdrs[0])) {
extras[QLatin1String("po-headers")] =
QByteArrayList_join(hdrOrder, ',');
goto doneho;
}
if (hdrOrder.at(cho) == dfltHdrs[cdh]) {
cdh++;
break;
}
}
}
doneho:
if (lastCmtLine != -1)
extras[QLatin1String("po-header_comment")] =
QByteArrayList_join(lines.mid(0, lastCmtLine + 1), '\n');
for (QHash<QString, QByteArray>::ConstIterator it = extras.constBegin(),
end = extras.constEnd();
it != end; ++it)
translator.setExtra(it.key(), codec->toUnicode(it.value()));
item = PoItem();
continue;
}
// build translator message
TranslatorMessage msg;
msg.setContext(codec->toUnicode(item.context));
if (!item.references.isEmpty()) {
QString xrefs;
foreach (const QString &ref,
codec->toUnicode(item.references).split(
QRegExp(QLatin1String("\\s")), QString::SkipEmptyParts)) {
int pos = ref.indexOf(QLatin1Char(':'));
int lpos = ref.lastIndexOf(QLatin1Char(':'));
if (pos != -1 && pos == lpos) {
bool ok;
int lno = ref.mid(pos + 1).toInt(&ok);
if (ok) {
msg.addReference(ref.left(pos), lno);
continue;
}
}
if (!xrefs.isEmpty())
xrefs += QLatin1Char(' ');
xrefs += ref;
}
if (!xrefs.isEmpty())
item.extra[QLatin1String("po-references")] = xrefs;
}
msg.setId(codec->toUnicode(item.id));
msg.setSourceText(codec->toUnicode(item.msgId));
msg.setOldSourceText(codec->toUnicode(item.oldMsgId));
msg.setComment(codec->toUnicode(item.tscomment));
msg.setOldComment(codec->toUnicode(item.oldTscomment));
msg.setExtraComment(codec->toUnicode(item.automaticComments));
msg.setTranslatorComment(codec->toUnicode(item.translatorComments));
msg.setPlural(item.isPlural || item.msgStr.size() > 1);
QStringList translations;
foreach (const QByteArray &bstr, item.msgStr) {
QString str = codec->toUnicode(bstr);
str.replace(QChar(Translator::TextVariantSeparator),
QChar(Translator::BinaryVariantSeparator));
translations << str;
}
msg.setTranslations(translations);
if (isObsolete)
msg.setType(TranslatorMessage::Obsolete);
else if (item.isFuzzy || (!msg.sourceText().isEmpty() && !msg.isTranslated()))
msg.setType(TranslatorMessage::Unfinished);
else
msg.setType(TranslatorMessage::Finished);
msg.setExtras(item.extra);
//qDebug() << "WRITE: " << context;
//qDebug() << "SOURCE: " << msg.sourceText();
//qDebug() << flags << msg.m_extra;
translator.append(msg);
item = PoItem();
} else if (line.startsWith('#')) {
switch (line.size() < 2 ? 0 : line.at(1)) {
case ':':
item.references += line.mid(3);
item.references += '\n';
break;
case ',': {
QStringList flags =
QString::fromLatin1(line.mid(2)).split(
QRegExp(QLatin1String("[, ]")), QString::SkipEmptyParts);
if (flags.removeOne(QLatin1String("fuzzy")))
item.isFuzzy = true;
flags.removeOne(QLatin1String("qt-format"));
TranslatorMessage::ExtraData::const_iterator it =
item.extra.find(QLatin1String("po-flags"));
if (it != item.extra.end())
flags.prepend(*it);
if (!flags.isEmpty())
item.extra[QLatin1String("po-flags")] = flags.join(QLatin1String(", "));
break;
}
case 0:
item.translatorComments += '\n';
break;
case ' ':
slurpComment(item.translatorComments, lines, l);
break;
case '.':
if (line.startsWith("#. ts-context ")) { // legacy
item.context = line.mid(14);
} else if (line.startsWith("#. ts-id ")) {
item.id = line.mid(9);
} else {
item.automaticComments += line.mid(3);
item.automaticComments += '\n';
}
break;
case '|':
if (line.startsWith("#| msgid ")) {
item.oldMsgId = slurpEscapedString(lines, l, 9, "#| ", cd);
} else if (line.startsWith("#| msgid_plural ")) {
QByteArray extra = slurpEscapedString(lines, l, 16, "#| ", cd);
if (extra != item.oldMsgId)
item.extra[QLatin1String("po-old_msgid_plural")] =
codec->toUnicode(extra);
} else if (line.startsWith("#| msgctxt ")) {
item.oldTscomment = slurpEscapedString(lines, l, 11, "#| ", cd);
if (qtContexts)
splitContext(&item.oldTscomment, &item.context);
} else {
cd.appendError(QString(QLatin1String("PO-format parse error in line %1: '%2'"))
.arg(l + 1).arg(codec->toUnicode(lines[l])));
error = true;
}
break;
case '~':
if (line.startsWith("#~ msgid ")) {
item.msgId = slurpEscapedString(lines, l, 9, "#~ ", cd);
} else if (line.startsWith("#~ msgid_plural ")) {
QByteArray extra = slurpEscapedString(lines, l, 16, "#~ ", cd);
if (extra != item.msgId)
item.extra[QLatin1String("po-msgid_plural")] =
codec->toUnicode(extra);
item.isPlural = true;
} else if (line.startsWith("#~ msgctxt ")) {
item.tscomment = slurpEscapedString(lines, l, 11, "#~ ", cd);
if (qtContexts)
splitContext(&item.tscomment, &item.context);
} else {
cd.appendError(QString(QLatin1String("PO-format parse error in line %1: '%2'"))
.arg(l + 1).arg(codec->toUnicode(lines[l])));
error = true;
}
break;
default:
cd.appendError(QString(QLatin1String("PO-format parse error in line %1: '%2'"))
.arg(l + 1).arg(codec->toUnicode(lines[l])));
error = true;
break;
}
lastCmtLine = l;
} else if (line.startsWith("msgctxt ")) {
item.tscomment = slurpEscapedString(lines, l, 8, QByteArray(), cd);
if (qtContexts)
splitContext(&item.tscomment, &item.context);
} else if (line.startsWith("msgid ")) {
item.msgId = slurpEscapedString(lines, l, 6, QByteArray(), cd);
} else if (line.startsWith("msgid_plural ")) {
QByteArray extra = slurpEscapedString(lines, l, 13, QByteArray(), cd);
if (extra != item.msgId)
item.extra[QLatin1String("po-msgid_plural")] = codec->toUnicode(extra);
item.isPlural = true;
} else {
cd.appendError(QString(QLatin1String("PO-format error in line %1: '%2'"))
.arg(l + 1).arg(codec->toUnicode(lines[l])));
error = true;
}
}
return !error && cd.errors().isEmpty();
}
static void addPoHeader(Translator::ExtraData &headers, QStringList &hdrOrder,
const char *name, const QString &value)
{
QString qName = QLatin1String(name);
if (!hdrOrder.contains(qName))
hdrOrder << qName;
headers[makePoHeader(qName)] = value;
}
static QString escapeComment(const QString &in, bool escape)
{
QString out = in;
if (escape) {
out.replace(QLatin1Char('~'), QLatin1String("~~"));
out.replace(QLatin1Char('|'), QLatin1String("~|"));
}
return out;
}
bool savePO(const Translator &translator, QIODevice &dev, ConversionData &cd)
{
QString str_format = QLatin1String("-format");
bool ok = true;
QTextStream out(&dev);
out.setCodec(cd.m_outputCodec.isEmpty() ? QByteArray("UTF-8") : cd.m_outputCodec);
bool qtContexts = false;
foreach (const TranslatorMessage &msg, translator.messages())
if (!msg.context().isEmpty()) {
qtContexts = true;
break;
}
QString cmt = translator.extra(QLatin1String("po-header_comment"));
if (!cmt.isEmpty())
out << cmt << '\n';
out << "msgid \"\"\n";
Translator::ExtraData headers = translator.extras();
QStringList hdrOrder = translator.extra(QLatin1String("po-headers")).split(
QLatin1Char(','), QString::SkipEmptyParts);
// Keep in sync with loadPO
addPoHeader(headers, hdrOrder, "MIME-Version", QLatin1String("1.0"));
addPoHeader(headers, hdrOrder, "Content-Type",
QLatin1String("text/plain; charset=" + out.codec()->name()));
addPoHeader(headers, hdrOrder, "Content-Transfer-Encoding", QLatin1String("8bit"));
if (!translator.languageCode().isEmpty()) {
QLocale::Language l;
QLocale::Country c;
Translator::languageAndCountry(translator.languageCode(), &l, &c);
const char *gettextRules;
if (getNumerusInfo(l, c, 0, 0, &gettextRules))
addPoHeader(headers, hdrOrder, "Plural-Forms", QLatin1String(gettextRules));
addPoHeader(headers, hdrOrder, "X-Language", translator.languageCode());
}
if (!translator.sourceLanguageCode().isEmpty())
addPoHeader(headers, hdrOrder, "X-Source-Language", translator.sourceLanguageCode());
if (qtContexts)
addPoHeader(headers, hdrOrder, "X-Qt-Contexts", QLatin1String("true"));
QString hdrStr;
foreach (const QString &hdr, hdrOrder) {
hdrStr += hdr;
hdrStr += QLatin1String(": ");
hdrStr += headers.value(makePoHeader(hdr));
hdrStr += QLatin1Char('\n');
}
out << poEscapedString(QString(), QString::fromLatin1("msgstr"), true, hdrStr);
foreach (const TranslatorMessage &msg, translator.messages()) {
out << endl;
if (!msg.translatorComment().isEmpty())
out << poEscapedLines(QLatin1String("#"), true, msg.translatorComment());
if (!msg.extraComment().isEmpty())
out << poEscapedLines(QLatin1String("#."), true, msg.extraComment());
if (!msg.id().isEmpty())
out << QLatin1String("#. ts-id ") << msg.id() << '\n';
QString xrefs = msg.extra(QLatin1String("po-references"));
if (!msg.fileName().isEmpty() || !xrefs.isEmpty()) {
QStringList refs;
foreach (const TranslatorMessage::Reference &ref, msg.allReferences())
refs.append(QString(QLatin1String("%2:%1"))
.arg(ref.lineNumber()).arg(ref.fileName()));
if (!xrefs.isEmpty())
refs << xrefs;
out << poWrappedEscapedLines(QLatin1String("#:"), true, refs.join(QLatin1String(" ")));
}
bool noWrap = false;
bool skipFormat = false;
QStringList flags;
if (msg.type() == TranslatorMessage::Unfinished && msg.isTranslated())
flags.append(QLatin1String("fuzzy"));
TranslatorMessage::ExtraData::const_iterator itr =
msg.extras().find(QLatin1String("po-flags"));
if (itr != msg.extras().end()) {
QStringList atoms = itr->split(QLatin1String(", "));
foreach (const QString &atom, atoms)
if (atom.endsWith(str_format)) {
skipFormat = true;
break;
}
if (atoms.contains(QLatin1String("no-wrap")))
noWrap = true;
flags.append(*itr);
}
if (!skipFormat) {
QString source = msg.sourceText();
// This is fuzzy logic, as we don't know whether the string is
// actually used with QString::arg().
for (int off = 0; (off = source.indexOf(QLatin1Char('%'), off)) >= 0; ) {
if (++off >= source.length())
break;
if (source.at(off) == QLatin1Char('n') || source.at(off).isDigit()) {
flags.append(QLatin1String("qt-format"));
break;
}
}
}
if (!flags.isEmpty())
out << "#, " << flags.join(QLatin1String(", ")) << '\n';
QString prefix = QLatin1String("#| ");
if (!msg.oldComment().isEmpty())
out << poEscapedString(prefix, QLatin1String("msgctxt"), noWrap,
escapeComment(msg.oldComment(), qtContexts));
if (!msg.oldSourceText().isEmpty())
out << poEscapedString(prefix, QLatin1String("msgid"), noWrap, msg.oldSourceText());
QString plural = msg.extra(QLatin1String("po-old_msgid_plural"));
if (!plural.isEmpty())
out << poEscapedString(prefix, QLatin1String("msgid_plural"), noWrap, plural);
prefix = QLatin1String((msg.type() == TranslatorMessage::Obsolete) ? "#~ " : "");
if (!msg.context().isEmpty())
out << poEscapedString(prefix, QLatin1String("msgctxt"), noWrap,
escapeComment(msg.context(), true) + QLatin1Char('|')
+ escapeComment(msg.comment(), true));
else if (!msg.comment().isEmpty())
out << poEscapedString(prefix, QLatin1String("msgctxt"), noWrap,
escapeComment(msg.comment(), qtContexts));
out << poEscapedString(prefix, QLatin1String("msgid"), noWrap, msg.sourceText());
if (!msg.isPlural()) {
QString transl = msg.translation();
transl.replace(QChar(Translator::BinaryVariantSeparator),
QChar(Translator::TextVariantSeparator));
out << poEscapedString(prefix, QLatin1String("msgstr"), noWrap, transl);
} else {
QString plural = msg.extra(QLatin1String("po-msgid_plural"));
if (plural.isEmpty())
plural = msg.sourceText();
out << poEscapedString(prefix, QLatin1String("msgid_plural"), noWrap, plural);
const QStringList &translations = msg.translations();
for (int i = 0; i != translations.size(); ++i) {
QString str = translations.at(i);
str.replace(QChar(Translator::BinaryVariantSeparator),
QChar(Translator::TextVariantSeparator));
out << poEscapedString(prefix, QString::fromLatin1("msgstr[%1]").arg(i), noWrap,
str);
}
}
}
return ok;
}
static bool savePOT(const Translator &translator, QIODevice &dev, ConversionData &cd)
{
Translator ttor = translator;
ttor.dropTranslations();
return savePO(ttor, dev, cd);
}
int initPO()
{
Translator::FileFormat format;
format.extension = QLatin1String("po");
format.description = QObject::tr("GNU Gettext localization files");
format.loader = &loadPO;
format.saver = &savePO;
format.fileType = Translator::FileFormat::TranslationSource;
format.priority = 1;
Translator::registerFileFormat(format);
format.extension = QLatin1String("pot");
format.description = QObject::tr("GNU Gettext localization template files");
format.loader = &loadPO;
format.saver = &savePOT;
format.fileType = Translator::FileFormat::TranslationSource;
format.priority = -1;
Translator::registerFileFormat(format);
return 1;
}
Q_CONSTRUCTOR_FUNCTION(initPO)
QT_END_NAMESPACE