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#include "Util.hpp"
#include <QRegularExpression>
namespace Util {
QString trimQuotes(QString string, bool& trimmed)
{
if(string.isEmpty()) return string;
trimmed = false;
if(string.length() >= 2 && string.at(0) == '"' && string.at(string.length() - 1) == '"')
{
string.remove(0, 1);
string.remove(string.length() - 1, 1);
trimmed = true;
}
return string;
}
QString unescape(const QString &string, const QChar escapeChar)
{
if(string.isEmpty()) return string;
QString ret;
bool escaped = false;
QChar c = string.at(0);
for(int i = 0; i < string.length(); ++i)
{
c = string.at(i);
if(!escaped)
{
if(c == escapeChar)
{
escaped = true;
continue;
}
else
{
ret.append(c);
}
}
else
{
if(unescapeChars.contains(c))
{
ret.append(unescapeChars.value(c));
}
else
{
ret.append(c);
}
escaped = false;
}
}
if(escaped)
{
ret.append(escapeChar);
}
return ret;
}
QString escape(const QString &string, const QChar escapeChar, const QString &escapeChars)
{
QString ret;
for(int i = 0; i < string.length(); ++i)
{
QChar c = string.at(i);
if(c == escapeChar)
{
ret.append(escapeChar);
ret.append(escapeChar);
}
else if(escapeChars.contains(c))
{
ret.append(escapeChar);
ret.append(c);
}
else if(unescapeChars.values().contains(c))
{
ret.append(unescapeChars.key(c));
}
else
{
ret.append(c);
}
}
return ret;
}
QString joinEscape(const QStringList &list, const QChar joinChar, const QChar escapeChar)
{
QString ret;
bool first = true;
foreach(const QString& part, list)
{
if(!first)
{
ret.append(joinChar);
}
else
{
first = false;
}
ret.append(escape(part, escapeChar, joinChar));
}
return ret;
}
QStringList splitEscaped(const QString &joined, const QChar splitChar, const QChar escapeChar)
{
QStringList ret;
int partPos = 0;
bool escaped = false;
for(int i = 0; i < joined.length(); ++i)
{
QChar c = joined.at(i);
if(!escaped)
{
if(c == escapeChar)
{
escaped = true;
}
else if(c == splitChar)
{
ret.append(Util::unescape(joined.mid(partPos, i - partPos), escapeChar));
partPos = i + 1;
}
}
else
{
escaped = false;
}
}
ret.append(Util::unescape(joined.mid(partPos), escapeChar));
return ret;
}
QString& unescapeClonkString(QString&& string)
{
static QRegularExpression escapeExp(R"(\\[0-7]+)");
QRegularExpressionMatch match;
while((match = escapeExp.match(string)).hasMatch())
{
unsigned char c = (unsigned char)match.capturedRef(0).mid(1).toInt(0, 8);
string.replace(match.capturedStart(), match.capturedLength(), c);
}
return string;
}
}
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