Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
375 lines
11 KiB
C++
375 lines
11 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Linguist of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "proitems.h"
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#include <QtCore/QFileInfo>
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#include <QtCore/QSet>
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QT_BEGIN_NAMESPACE
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using namespace ProStringConstants;
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// from qhash.cpp
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uint ProString::hash(const QChar *p, int n)
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{
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uint h = 0;
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while (n--) {
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h = (h << 4) + (*p++).unicode();
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h ^= (h & 0xf0000000) >> 23;
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h &= 0x0fffffff;
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}
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return h;
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}
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ProString::ProString() :
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m_offset(0), m_length(0), m_file(0), m_hash(0x80000000)
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{
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}
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ProString::ProString(const ProString &other) :
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m_string(other.m_string), m_offset(other.m_offset), m_length(other.m_length), m_file(other.m_file), m_hash(other.m_hash)
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{
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}
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ProString::ProString(const ProString &other, OmitPreHashing) :
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m_string(other.m_string), m_offset(other.m_offset), m_length(other.m_length), m_file(other.m_file), m_hash(0x80000000)
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{
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}
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ProString::ProString(const QString &str) :
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m_string(str), m_offset(0), m_length(str.length()), m_file(0)
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{
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updatedHash();
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}
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ProString::ProString(const QString &str, OmitPreHashing) :
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m_string(str), m_offset(0), m_length(str.length()), m_file(0), m_hash(0x80000000)
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{
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}
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ProString::ProString(const char *str) :
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m_string(QString::fromLatin1(str)), m_offset(0), m_length(qstrlen(str)), m_file(0)
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{
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updatedHash();
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}
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ProString::ProString(const char *str, OmitPreHashing) :
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m_string(QString::fromLatin1(str)), m_offset(0), m_length(qstrlen(str)), m_file(0), m_hash(0x80000000)
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{
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}
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ProString::ProString(const QString &str, int offset, int length) :
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m_string(str), m_offset(offset), m_length(length), m_file(0)
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{
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updatedHash();
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}
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ProString::ProString(const QString &str, int offset, int length, uint hash) :
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m_string(str), m_offset(offset), m_length(length), m_file(0), m_hash(hash)
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{
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}
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ProString::ProString(const QString &str, int offset, int length, ProStringConstants::OmitPreHashing) :
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m_string(str), m_offset(offset), m_length(length), m_file(0), m_hash(0x80000000)
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{
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}
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void ProString::setValue(const QString &str)
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{
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m_string = str, m_offset = 0, m_length = str.length();
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updatedHash();
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}
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void ProString::setValue(const QString &str, OmitPreHashing)
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{
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m_string = str, m_offset = 0, m_length = str.length(), m_hash = 0x80000000;
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}
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uint ProString::updatedHash() const
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{
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return (m_hash = hash(m_string.constData() + m_offset, m_length));
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}
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uint qHash(const ProString &str)
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{
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if (!(str.m_hash & 0x80000000))
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return str.m_hash;
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return str.updatedHash();
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}
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QString ProString::toQString() const
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{
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return m_string.mid(m_offset, m_length);
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}
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QString &ProString::toQString(QString &tmp) const
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{
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return tmp.setRawData(m_string.constData() + m_offset, m_length);
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}
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bool ProString::operator==(const ProString &other) const
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{
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if (m_length != other.m_length)
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return false;
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return !memcmp(m_string.constData() + m_offset,
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other.m_string.constData() + other.m_offset, m_length * 2);
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}
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bool ProString::operator==(const QString &other) const
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{
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if (m_length != other.length())
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return false;
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return !memcmp(m_string.constData() + m_offset, other.constData(), m_length * 2);
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}
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bool ProString::operator==(const QLatin1String &other) const
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{
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const ushort *uc = (ushort *)m_string.constData() + m_offset;
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const ushort *e = uc + m_length;
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const uchar *c = (uchar *)other.latin1();
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if (!c)
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return isEmpty();
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while (*c) {
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if (uc == e || *uc != *c)
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return false;
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++uc;
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++c;
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}
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return (uc == e);
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}
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QChar *ProString::prepareAppend(int extraLen)
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{
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if (m_string.isDetached() && m_length + extraLen <= m_string.capacity()) {
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m_string.reserve(0); // Prevent the resize() below from reallocating
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QChar *ptr = (QChar *)m_string.constData();
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if (m_offset)
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memmove(ptr, ptr + m_offset, m_length * 2);
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ptr += m_length;
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m_offset = 0;
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m_length += extraLen;
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m_string.resize(m_length);
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m_hash = 0x80000000;
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return ptr;
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} else {
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QString neu(m_length + extraLen, Qt::Uninitialized);
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QChar *ptr = (QChar *)neu.constData();
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memcpy(ptr, m_string.constData() + m_offset, m_length * 2);
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ptr += m_length;
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*this = ProString(neu, NoHash);
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return ptr;
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}
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}
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// If pending != 0, prefix with space if appending to non-empty non-pending
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ProString &ProString::append(const ProString &other, bool *pending)
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{
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if (other.m_length) {
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if (!m_length) {
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*this = other;
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} else {
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QChar *ptr;
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if (pending && !*pending) {
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ptr = prepareAppend(1 + other.m_length);
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*ptr++ = 32;
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} else {
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ptr = prepareAppend(other.m_length);
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}
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memcpy(ptr, other.m_string.constData() + other.m_offset, other.m_length * 2);
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if (other.m_file)
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m_file = other.m_file;
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}
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if (pending)
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*pending = true;
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}
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return *this;
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}
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ProString &ProString::append(const ProStringList &other, bool *pending, bool skipEmpty1st)
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{
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if (const int sz = other.size()) {
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int startIdx = 0;
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if (pending && !*pending && skipEmpty1st && other.at(0).isEmpty()) {
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if (sz == 1)
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return *this;
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startIdx = 1;
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}
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if (!m_length && sz == startIdx + 1) {
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*this = other.at(startIdx);
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} else {
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int totalLength = sz - startIdx;
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for (int i = startIdx; i < sz; ++i)
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totalLength += other.at(i).size();
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bool putSpace = false;
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if (pending && !*pending && m_length)
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putSpace = true;
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else
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totalLength--;
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QChar *ptr = prepareAppend(totalLength);
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for (int i = startIdx; i < sz; ++i) {
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if (putSpace)
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*ptr++ = 32;
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else
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putSpace = true;
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const ProString &str = other.at(i);
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memcpy(ptr, str.m_string.constData() + str.m_offset, str.m_length * 2);
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ptr += str.m_length;
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}
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if (other.last().m_file)
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m_file = other.last().m_file;
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}
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if (pending)
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*pending = true;
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}
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return *this;
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}
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QString operator+(const ProString &one, const ProString &two)
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{
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if (two.m_length) {
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if (!one.m_length) {
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return two.toQString();
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} else {
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QString neu(one.m_length + two.m_length, Qt::Uninitialized);
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ushort *ptr = (ushort *)neu.constData();
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memcpy(ptr, one.m_string.constData() + one.m_offset, one.m_length * 2);
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memcpy(ptr + one.m_length, two.m_string.constData() + two.m_offset, two.m_length * 2);
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return neu;
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}
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}
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return one.toQString();
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}
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ProString ProString::mid(int off, int len) const
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{
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ProString ret(*this, NoHash);
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if (off > m_length)
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off = m_length;
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ret.m_offset += off;
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ret.m_length -= off;
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if (ret.m_length > len)
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ret.m_length = len;
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return ret;
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}
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ProString ProString::trimmed() const
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{
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ProString ret(*this, NoHash);
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int cur = m_offset;
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int end = cur + m_length;
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const QChar *data = m_string.constData();
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for (; cur < end; cur++)
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if (!data[cur].isSpace()) {
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// No underrun check - we know there is at least one non-whitespace
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while (data[end - 1].isSpace())
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end--;
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break;
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}
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ret.m_offset = cur;
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ret.m_length = end - cur;
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return ret;
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}
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QString ProStringList::join(const QString &sep) const
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{
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int totalLength = 0;
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const int sz = size();
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for (int i = 0; i < sz; ++i)
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totalLength += at(i).size();
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if (sz)
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totalLength += sep.size() * (sz - 1);
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QString res(totalLength, Qt::Uninitialized);
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QChar *ptr = (QChar *)res.constData();
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for (int i = 0; i < sz; ++i) {
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if (i) {
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memcpy(ptr, sep.constData(), sep.size() * 2);
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ptr += sep.size();
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}
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memcpy(ptr, at(i).constData(), at(i).size() * 2);
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ptr += at(i).size();
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}
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return res;
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}
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void ProStringList::removeDuplicates()
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{
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int n = size();
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int j = 0;
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QSet<ProString> seen;
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seen.reserve(n);
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for (int i = 0; i < n; ++i) {
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const ProString &s = at(i);
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if (seen.contains(s))
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continue;
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seen.insert(s);
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if (j != i)
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(*this)[j] = s;
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++j;
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}
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if (n != j)
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erase(begin() + j, end());
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}
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ProFile::ProFile(const QString &fileName)
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: m_refCount(1),
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m_fileName(fileName),
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m_ok(true)
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{
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if (!fileName.startsWith(QLatin1Char('(')))
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m_directoryName = QFileInfo( // qmake sickness: canonicalize only the directory!
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fileName.left(fileName.lastIndexOf(QLatin1Char('/')))).canonicalFilePath();
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}
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ProFile::~ProFile()
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{
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}
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QT_END_NAMESPACE
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