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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "namevalueitem.h"
#include "algorithm.h"
#include "namevaluedictionary.h"
#include "qtcassert.h"
#include <QDebug>
namespace Utils {
void EnvironmentItem::sort(EnvironmentItems *list)
{
Utils::sort(*list, &EnvironmentItem::name);
}
EnvironmentItems EnvironmentItem::fromStringList(const QStringList &list)
{
EnvironmentItems result;
for (const QString &string : list) {
int pos = string.indexOf("+=");
if (pos != -1) {
result.append({string.left(pos), string.mid(pos + 2), EnvironmentItem::Append});
continue;
}
pos = string.indexOf("=+");
if (pos != -1) {
result.append({string.left(pos), string.mid(pos + 2), EnvironmentItem::Prepend});
continue;
}
pos = string.indexOf('=', 1);
if (pos == -1) {
result.append(EnvironmentItem(string, QString(), EnvironmentItem::Unset));
continue;
}
const int hashPos = string.indexOf('#');
if (hashPos != -1 && hashPos < pos) {
result.append({string.mid(hashPos + 1, pos - hashPos - 1), string.mid(pos + 1),
EnvironmentItem::SetDisabled});
} else {
result.append({string.left(pos), string.mid(pos + 1)});
}
}
return result;
}
QStringList EnvironmentItem::toStringList(const EnvironmentItems &list)
{
return Utils::transform<QStringList>(list, [](const EnvironmentItem &item) {
switch (item.operation) {
case EnvironmentItem::Unset:
return item.name;
case EnvironmentItem::Append:
return QString(item.name + "+=" + item.value);
case EnvironmentItem::Prepend:
return QString(item.name + "=+" + item.value);
case EnvironmentItem::SetDisabled:
return QString('#' + item.name + '=' + item.value);
case EnvironmentItem::SetEnabled:
return QString(item.name + '=' + item.value);
}
return QString();
});
}
EnvironmentItems EnvironmentItem::itemsFromVariantList(const QVariantList &list)
{
return Utils::transform<EnvironmentItems>(list, [](const QVariant &item) {
return itemFromVariantList(item.toList());
});
}
QVariantList EnvironmentItem::toVariantList(const EnvironmentItems &list)
{
return Utils::transform<QVariantList>(list, [](const EnvironmentItem &item) {
return QVariant(toVariantList(item));
});
}
EnvironmentItem EnvironmentItem::itemFromVariantList(const QVariantList &list)
{
QTC_ASSERT(list.size() == 3, return EnvironmentItem("", ""));
QString key = list.value(0).toString();
Operation operation = Operation(list.value(1).toInt());
QString value = list.value(2).toString();
return EnvironmentItem(key, value, operation);
}
QVariantList EnvironmentItem::toVariantList(const EnvironmentItem &item)
{
return QVariantList() << item.name << item.operation << item.value;
}
static QString expand(const NameValueDictionary *dictionary, QString value)
{
int replaceCount = 0;
for (int i = 0; i < value.size(); ++i) {
if (value.at(i) == '$') {
if ((i + 1) < value.size()) {
const QChar &c = value.at(i + 1);
int end = -1;
if (c == '(')
end = value.indexOf(')', i);
else if (c == '{')
end = value.indexOf('}', i);
if (end != -1) {
const QString &key = value.mid(i + 2, end - i - 2);
NameValueDictionary::const_iterator it = dictionary->constFind(key);
if (it != dictionary->constEnd())
value.replace(i, end - i + 1, it.value().first);
++replaceCount;
QTC_ASSERT(replaceCount < 100, break);
}
}
}
}
return value;
}
void EnvironmentItem::apply(NameValueDictionary *dictionary, Operation op) const
{
switch (op) {
case SetEnabled:
dictionary->set(name, expand(dictionary, value));
break;
case SetDisabled:
dictionary->set(name, expand(dictionary, value), false);
break;
case Unset:
dictionary->unset(name);
break;
case Prepend: {
const NameValueDictionary::const_iterator it = dictionary->constFind(name);
if (it != dictionary->constEnd()) {
QString v = dictionary->value(it);
const QChar pathSep = HostOsInfo::pathListSeparator();
int sepCount = 0;
if (v.startsWith(pathSep))
++sepCount;
if (value.endsWith(pathSep))
++sepCount;
if (sepCount == 2)
v.remove(0, 1);
else if (sepCount == 0)
v.prepend(pathSep);
v.prepend(expand(dictionary, value));
dictionary->set(name, v);
} else {
apply(dictionary, SetEnabled);
}
} break;
case Append: {
const NameValueDictionary::const_iterator it = dictionary->constFind(name);
if (it != dictionary->constEnd()) {
QString v = dictionary->value(it);
const QChar pathSep = HostOsInfo::pathListSeparator();
int sepCount = 0;
if (v.endsWith(pathSep))
++sepCount;
if (value.startsWith(pathSep))
++sepCount;
if (sepCount == 2)
v.chop(1);
else if (sepCount == 0)
v.append(pathSep);
v.append(expand(dictionary, value));
dictionary->set(name, v);
} else {
apply(dictionary, SetEnabled);
}
} break;
}
}
QDebug operator<<(QDebug debug, const EnvironmentItem &i)
{
QDebugStateSaver saver(debug);
debug.noquote();
debug.nospace();
debug << "KeyValueItem(";
switch (i.operation) {
case EnvironmentItem::SetEnabled:
debug << "set \"" << i.name << "\" to \"" << i.value << '"';
break;
case EnvironmentItem::SetDisabled:
debug << "set \"" << i.name << "\" to \"" << i.value << '"' << "[disabled]";
break;
case EnvironmentItem::Unset:
debug << "unset \"" << i.name << '"';
break;
case EnvironmentItem::Prepend:
debug << "prepend to \"" << i.name << "\":\"" << i.value << '"';
break;
case EnvironmentItem::Append:
debug << "append to \"" << i.name << "\":\"" << i.value << '"';
break;
}
debug << ')';
return debug;
}
} // namespace Utils
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