99 lines
1.7 KiB
C++
99 lines
1.7 KiB
C++
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#include "URNResolver.h"
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#include <logger/QsLog.h>
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#include "MultiMC.h"
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#include "logic/forge/ForgeVersionList.h"
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#include "logic/forge/ForgeVersion.h"
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QString unescapeNSS(QString RawNSS)
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{
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QString NSS;
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NSS.reserve(RawNSS.size());
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enum
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{
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Normal,
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FirstHex,
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SecondHex
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} ParseState = Normal;
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QByteArray translator(" ");
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for (auto ch : RawNSS)
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{
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if(ParseState == Normal)
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{
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if(ch == '%')
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{
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ParseState = FirstHex;
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continue;
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}
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else
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{
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NSS.append(ch);
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}
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}
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if(ParseState == FirstHex)
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{
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translator[0] = ch.toLower().unicode();
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ParseState = SecondHex;
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}
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else if(ParseState == SecondHex)
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{
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translator[1] = ch.toLower().unicode();
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auto result = QByteArray::fromHex(translator);
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if (result[0] == '\0')
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return NSS;
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NSS.append(result);
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ParseState = Normal;
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}
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}
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return NSS;
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}
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bool URNResolver::parse(const QString &URN, QString &NID, QString &NSS)
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{
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QRegExp URNPattern(
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"^urn:([a-z0-9][a-z0-9-]{0,31}):(([a-z0-9()+,\\-.:=@;$_!*']|%[0-9a-f]{2})+).*",
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Qt::CaseInsensitive);
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if (URNPattern.indexIn(URN) == -1)
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return false;
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auto captures = URNPattern.capturedTexts();
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QString RawNID = captures[1];
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QString RawNSS = captures[2];
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NID = RawNID.toLower();
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NSS = unescapeNSS(RawNSS);
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return true;
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}
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URNResolver::URNResolver()
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{
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}
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QVariant URNResolver::resolve(QString URN)
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{
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QString NID, NSS;
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parse(URN, NID, NSS);
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if(NID != "x-mmc")
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return QVariant();
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auto parts = NSS.split(":");
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if(parts.size() < 1)
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return QVariant();
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unsigned int version = parts[0].toUInt();
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switch(version)
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{
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case 1:
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return resolveV1(parts.mid(1));
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default:
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return QVariant();
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}
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}
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/**
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* TODO: implement.
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*/
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QVariant URNResolver::resolveV1(QStringList parts)
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{
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return QVariant();
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}
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