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#include <precomp.h>
#include <tokens/tkp.hxx>

// NOT FULLY DECLARED SERVICES
#include <tools/tkpchars.hxx>
#include <tokens/tkpcontx.hxx>



TokenParser::TokenParser()
    :   pChars(0),
        bHasMore(false)
{
}

void
TokenParser::Start( CharacterSource & i_rSource )
{
    InitSource(i_rSource);
}

void
TokenParser::GetNextToken()
{
    csv_assert(pChars != 0);

    bHasMore = NOT pChars->IsFinished();

    for ( bool bDone = NOT bHasMore; NOT bDone; )
    {
        CurrentContext().ReadCharChain(*pChars);
        bDone = CurrentContext().PassNewToken();
        SetCurrentContext(CurrentContext().FollowUpContext());
    }
}

void
TokenParser::InitSource( CharacterSource & i_rSource )
{
    pChars = &i_rSource;
    bHasMore = true;
    SetStartContext();
}