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/*
This file is part of Mod Organizer.
Mod Organizer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Mod Organizer is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Mod Organizer. If not, see <http://www.gnu.org/licenses/>.
*/
#include <uibase/registry.h>
#include <uibase/log.h>
#include <uibase/report.h>
#include <QApplication>
#include <QFile>
#include <QFileInfo>
#include <QList>
#include <QMessageBox>
#include <QString>
#include <QTextStream>
namespace MOBase
{
// Line-by-line INI writer that preserves the file format.
// Unlike QSettings::IniFormat, this does NOT interpret backslashes as
// line continuations, does NOT URL-encode spaces in key names, and does
// NOT reorder keys. It only modifies the target key=value pair and
// leaves everything else untouched.
static bool writeIniValueDirect(const QString& section, const QString& key,
const QString& value, const QString& fileName)
{
QStringList lines;
bool fileExists = QFileInfo::exists(fileName);
if (fileExists) {
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
return false;
}
QTextStream in(&file);
while (!in.atEnd()) {
lines.append(in.readLine());
}
file.close();
}
// Find the target section and key
QString sectionHeader = "[" + section + "]";
int sectionStart = -1;
int sectionEnd = lines.size(); // end of file if section is last
int keyLine = -1;
for (int i = 0; i < lines.size(); ++i) {
QString trimmed = lines[i].trimmed();
if (trimmed.compare(sectionHeader, Qt::CaseInsensitive) == 0) {
sectionStart = i;
// Find end of this section (next section header or EOF)
for (int j = i + 1; j < lines.size(); ++j) {
QString t = lines[j].trimmed();
if (t.startsWith('[') && t.endsWith(']')) {
sectionEnd = j;
break;
}
}
break;
}
}
if (sectionStart >= 0) {
// Section found, look for the key within it
for (int i = sectionStart + 1; i < sectionEnd; ++i) {
QString trimmed = lines[i].trimmed();
// Skip comments and empty lines
if (trimmed.isEmpty() || trimmed.startsWith(';') || trimmed.startsWith('#')) {
continue;
}
int eqPos = trimmed.indexOf('=');
if (eqPos > 0) {
QString existingKey = trimmed.left(eqPos).trimmed();
if (existingKey.compare(key, Qt::CaseInsensitive) == 0) {
keyLine = i;
break;
}
}
}
if (keyLine >= 0) {
// Key found, replace the line preserving indentation
QString original = lines[keyLine];
int eqPos = original.indexOf('=');
// Preserve everything up to and including '='
lines[keyLine] = original.left(eqPos + 1) + value;
} else {
// Key not found in section, insert it after the section header
lines.insert(sectionStart + 1, key + "=" + value);
}
} else {
// Section not found, append it
if (!lines.isEmpty() && !lines.last().trimmed().isEmpty()) {
lines.append(""); // blank line before new section
}
lines.append(sectionHeader);
lines.append(key + "=" + value);
}
// Write back
QFile outFile(fileName);
if (!outFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
return false;
}
QTextStream out(&outFile);
for (int i = 0; i < lines.size(); ++i) {
out << lines[i];
if (i < lines.size() - 1) {
out << '\n';
}
}
// Preserve trailing newline if original had one, or add one
out << '\n';
outFile.close();
return true;
}
bool WriteRegistryValue(const QString& appName, const QString& keyName,
const QString& value, const QString& fileName)
{
if (writeIniValueDirect(appName, keyName, value, fileName)) {
return true;
}
// Write failed, check if the file is read-only
QFileInfo fileInfo(fileName);
QMessageBox::StandardButton result =
MOBase::TaskDialog(qApp->activeModalWidget(),
QObject::tr("INI file is read-only"))
.main(QObject::tr("INI file is read-only"))
.content(QObject::tr("Mod Organizer is attempting to write to \"%1\" "
"which is currently set to read-only.")
.arg(fileInfo.fileName()))
.icon(QMessageBox::Warning)
.button({QObject::tr("Clear the read-only flag"), QMessageBox::Yes})
.button({QObject::tr("Allow the write once"),
QObject::tr("The file will be set to read-only again."),
QMessageBox::Ignore})
.button({QObject::tr("Skip this file"), QMessageBox::No})
.remember("clearReadOnly", fileInfo.fileName())
.exec();
if (result & (QMessageBox::Yes | QMessageBox::Ignore)) {
// Make the file writable
QFile file(fileName);
file.setPermissions(file.permissions() | QFile::WriteUser | QFile::WriteOwner);
bool ok = writeIniValueDirect(appName, keyName, value, fileName);
if (result == QMessageBox::Ignore) {
// Set back to read-only
file.setPermissions(file.permissions() & ~(QFile::WriteUser | QFile::WriteOwner));
}
return ok;
}
return false;
}
#ifdef _WIN32
bool WriteRegistryValue(const wchar_t* appName, const wchar_t* keyName,
const wchar_t* value, const wchar_t* fileName)
{
return WriteRegistryValue(
QString::fromWCharArray(appName),
QString::fromWCharArray(keyName),
QString::fromWCharArray(value),
QString::fromWCharArray(fileName));
}
#endif
} // namespace MOBase
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