source: trunk/tools/porting/src/tokenreplacements.cpp@ 561

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#include "tokenreplacements.h"
#include "logger.h"
#include "portingrules.h"

QT_BEGIN_NAMESPACE
using namespace TokenEngine;

void addLogSourceEntry(const QString &text, const TokenContainer &tokenContainer, const int index)
{
    Logger *logger = Logger::instance();
    int line = tokenContainer.line(index);
    int col = tokenContainer.column(index);
    SourcePointLogEntry *logEntry =
                new SourcePointLogEntry(QLatin1String("Info"), QLatin1String("Porting"),
                                        logger->globalState.value(QLatin1String("currentFileName")),
                                        line, col, text);
    logger->addEntry(logEntry);
}

void addLogWarning(const QString &text)
{
     Logger::instance()->addEntry(new PlainLogEntry(QLatin1String("Warning"), QLatin1String("Porting"), text));
}

QualifiedNameParser::QualifiedNameParser(const TokenContainer &tokenContainer, const int tokenIndex)
:tokenContainer(tokenContainer)
,currentIndex(tokenIndex)
{
    Q_ASSERT(isValidIndex(currentIndex));
}

bool QualifiedNameParser::isPartOfQualifiedName()
{
    return ((nextScopeToken(Left) != -1) || (nextScopeToken(Right) != -1));
}


bool QualifiedNameParser::isValidIndex(int index)
{
    return (index < tokenContainer.count() && index >= 0);
}

/*
    A qualifier is a the leftmost or middle part of a qualified name
*/
bool QualifiedNameParser::isQualifier()
{
    return (nextScopeToken(Right) != -1);
}

/*
    A name is a the rightmost part of a qualified name.
*/
bool QualifiedNameParser::isName()
{
    return (nextScopeToken(Left) != -1);
}

/*
    Peek for a qualifier or name in the given direction
*/
int QualifiedNameParser::peek(Direction direction)
{
    return nextScopeToken(direction);
}

/*
    Look for a qualifier or name in the given direction,update
    current position if found.
*/
int QualifiedNameParser::move(Direction direction)
{
    int tokenIndex = nextScopeToken(direction);
    if(tokenIndex != -1)
        currentIndex = tokenIndex;
    return tokenIndex;
}

/*
    Looks for "::" starting at currentIndex, returns the token index
    for it if found. If the first non-whitespace token found is something else,
    -1 is returned.
*/
int QualifiedNameParser::findScopeOperator(Direction direction)
{
    int tokenIndex = currentIndex;
    QByteArray tokenText;
    //loop until we get a token containg text or we pass the beginning/end of the source
    tokenIndex += direction;
    while(tokenText.isEmpty() && isValidIndex(tokenIndex)) {
        tokenText = tokenContainer.text(tokenIndex).trimmed();
        if(tokenText==QByteArray("::"))
           return tokenIndex;
        tokenIndex += direction;
    }
    return -1;
}
/*
    Walks a qualified name. Returns the token index
    for the next identifer in the qualified name, or -1 if its not found.
*/
int QualifiedNameParser::nextScopeToken(Direction direction)
{
    int tokenIndex  = findScopeOperator(direction);
    if (tokenIndex == -1)
        return -1;
    QByteArray tokenText;
   //loop until we get a token containg text or we pass the start of the source
    tokenIndex += direction;
    while(tokenText.isEmpty() && isValidIndex(tokenIndex)) {
       tokenText = tokenContainer.text(tokenIndex).trimmed();
       tokenIndex += direction;
    }
    return tokenIndex - direction;
}

/////////////////////
GenericTokenReplacement::GenericTokenReplacement(QByteArray oldToken, QByteArray newToken)
:oldToken(oldToken)
,newToken(newToken)
{}

QByteArray GenericTokenReplacement::getReplaceKey()
{
    return QByteArray(oldToken);
}