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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "algorithm.h"
#include "namevaluedictionary.h"
#include "namevalueitem.h"
#include "qtcassert.h"
namespace Utils {
NameValueDictionary::NameValueDictionary(const QStringList &env, OsType osType)
: m_osType(osType)
{
for (const QString &s : env) {
int i = s.indexOf('=', 1);
if (i >= 0) {
const QString key = s.left(i);
if (!key.contains('=')) {
const QString value = s.mid(i + 1);
set(key, value);
}
}
}
}
NameValueDictionary::NameValueDictionary(const NameValuePairs &nameValues)
{
for (const auto &nameValue : nameValues)
set(nameValue.first, nameValue.second);
}
NameValueMap::iterator NameValueDictionary::findKey(const QString &key)
{
for (auto it = m_values.begin(); it != m_values.end(); ++it) {
if (key.compare(it.key().name, nameCaseSensitivity()) == 0)
return it;
}
return m_values.end();
}
NameValueMap::const_iterator NameValueDictionary::findKey(const QString &key) const
{
for (auto it = m_values.constBegin(); it != m_values.constEnd(); ++it) {
if (key.compare(it.key().name, nameCaseSensitivity()) == 0)
return it;
}
return m_values.constEnd();
}
QStringList NameValueDictionary::toStringList() const
{
QStringList result;
for (auto it = m_values.constBegin(); it != m_values.constEnd(); ++it) {
if (it.value().second)
result.append(it.key().name + '=' + it.value().first);
}
return result;
}
void NameValueDictionary::set(const QString &key, const QString &value, bool enabled)
{
QTC_ASSERT(!key.contains('='), return );
const auto it = findKey(key);
const auto valuePair = qMakePair(value, enabled);
if (it == m_values.end())
m_values.insert(DictKey(key, nameCaseSensitivity()), valuePair);
else
it.value() = valuePair;
}
void NameValueDictionary::unset(const QString &key)
{
QTC_ASSERT(!key.contains('='), return );
const auto it = findKey(key);
if (it != m_values.end())
m_values.erase(it);
}
void NameValueDictionary::clear()
{
m_values.clear();
}
QString NameValueDictionary::value(const QString &key) const
{
const auto it = findKey(key);
return it != m_values.end() && it.value().second ? it.value().first : QString();
}
NameValueDictionary::const_iterator NameValueDictionary::constFind(const QString &name) const
{
return findKey(name);
}
int NameValueDictionary::size() const
{
return m_values.size();
}
void NameValueDictionary::modify(const NameValueItems &items)
{
NameValueDictionary resultKeyValueDictionary = *this;
for (const NameValueItem &item : items)
item.apply(&resultKeyValueDictionary);
*this = resultKeyValueDictionary;
}
NameValueItems NameValueDictionary::diff(const NameValueDictionary &other, bool checkAppendPrepend) const
{
NameValueMap::const_iterator thisIt = constBegin();
NameValueMap::const_iterator otherIt = other.constBegin();
NameValueItems result;
while (thisIt != constEnd() || otherIt != other.constEnd()) {
if (thisIt == constEnd()) {
result.append({other.key(otherIt), other.value(otherIt),
otherIt.value().second ? NameValueItem::SetEnabled : NameValueItem::SetDisabled});
++otherIt;
} else if (otherIt == other.constEnd()) {
result.append(NameValueItem(key(thisIt), QString(), NameValueItem::Unset));
++thisIt;
} else if (thisIt.key() < otherIt.key()) {
result.append(NameValueItem(key(thisIt), QString(), NameValueItem::Unset));
++thisIt;
} else if (thisIt.key() > otherIt.key()) {
result.append({other.key(otherIt), otherIt.value().first,
otherIt.value().second ? NameValueItem::SetEnabled : NameValueItem::SetDisabled});
++otherIt;
} else {
const QString &oldValue = thisIt.value().first;
const QString &newValue = otherIt.value().first;
const bool oldEnabled = thisIt.value().second;
const bool newEnabled = otherIt.value().second;
if (oldValue != newValue || oldEnabled != newEnabled) {
if (checkAppendPrepend && newValue.startsWith(oldValue)
&& oldEnabled == newEnabled) {
QString appended = newValue.right(newValue.size() - oldValue.size());
if (appended.startsWith(OsSpecificAspects::pathListSeparator(osType())))
appended.remove(0, 1);
result.append(NameValueItem(other.key(otherIt), appended, NameValueItem::Append));
} else if (checkAppendPrepend && newValue.endsWith(oldValue)
&& oldEnabled == newEnabled) {
QString prepended = newValue.left(newValue.size() - oldValue.size());
if (prepended.endsWith(OsSpecificAspects::pathListSeparator(osType())))
prepended.chop(1);
result.append(NameValueItem(other.key(otherIt), prepended, NameValueItem::Prepend));
} else {
result.append({other.key(otherIt), newValue, newEnabled
? NameValueItem::SetEnabled : NameValueItem::SetDisabled});
}
}
++otherIt;
++thisIt;
}
}
return result;
}
bool NameValueDictionary::hasKey(const QString &key) const
{
return findKey(key) != constEnd();
}
OsType NameValueDictionary::osType() const
{
return m_osType;
}
Qt::CaseSensitivity NameValueDictionary::nameCaseSensitivity() const
{
return OsSpecificAspects::envVarCaseSensitivity(osType());
}
QString NameValueDictionary::userName() const
{
return value(QString::fromLatin1(m_osType == OsTypeWindows ? "USERNAME" : "USER"));
}
} // namespace Utils
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