FTSelection *FTOrder::optimize(FTContext *ftcontext) const { XPath2MemoryManager *mm = ftcontext->context->getMemoryManager(); FTSelection *newarg = arg_->optimize(ftcontext); if(newarg == 0) return 0; if(newarg->getType() == WORD) { return newarg; } newarg = new (mm) FTOrder(newarg, mm); newarg->setLocationInfo(this); return newarg; }
FTSelection *FTDistanceLiteral::optimize(FTContext *ftcontext, bool execute) const { XPath2MemoryManager *mm = ftcontext->context->getMemoryManager(); FTSelection *newarg = arg_->optimize(ftcontext, execute); if(newarg == 0) return 0; if(newarg->getType() == WORD) { return newarg; } newarg = new (mm) FTDistanceLiteral(newarg, type_, distance_, distance2_, unit_, mm); newarg->setLocationInfo(this); return newarg; }
FTSelection *FTContent::optimize(FTContext *ftcontext) const { XPath2MemoryManager *mm = ftcontext->context->getMemoryManager(); FTSelection *newarg = arg_->optimize(ftcontext); if(newarg == 0) return 0; if(type_ == ENTIRE_CONTENT) { newarg = new (mm) FTDistanceLiteral(newarg, FTRange::EXACTLY, 0, 0, FTOption::WORDS, mm); newarg->setLocationInfo(this); newarg = new (mm) FTContent(newarg, AT_START, mm); newarg->setLocationInfo(this); newarg = new (mm) FTContent(newarg, AT_END, mm); newarg->setLocationInfo(this); } else { newarg = new (mm) FTContent(newarg, type_, mm); newarg->setLocationInfo(this); } return newarg; }
FTSelection *FTDistance::optimize(FTContext *ftcontext, bool execute) const { XPath2MemoryManager *mm = ftcontext->context->getMemoryManager(); if(execute || range_.arg1->isConstant()) { Result rangeResult = range_.arg1->createResult(ftcontext->context); Numeric::Ptr num = (Numeric::Ptr)rangeResult->next(ftcontext->context); long distance = ::atol(UTF8(num->asString(ftcontext->context))); switch(range_.type) { case FTRange::EXACTLY: { FTSelection *result = new (mm) FTDistanceLiteral(arg_, FTRange::EXACTLY, distance, 0, unit_, mm); result->setLocationInfo(this); return result->optimize(ftcontext, execute); } case FTRange::AT_LEAST: { FTSelection *result = new (mm) FTDistanceLiteral(arg_, FTRange::AT_LEAST, distance, 0, unit_, mm); result->setLocationInfo(this); return result->optimize(ftcontext, execute); } case FTRange::AT_MOST: { FTSelection *result = new (mm) FTDistanceLiteral(arg_, FTRange::AT_MOST, distance, 0, unit_, mm); result->setLocationInfo(this); return result->optimize(ftcontext, execute); } case FTRange::FROM_TO: { Result rangeResult2 = range_.arg2->createResult(ftcontext->context); Numeric::Ptr num2 = (Numeric::Ptr)rangeResult2->next(ftcontext->context); long distance2 = ::atol(UTF8(num->asString(ftcontext->context))); FTSelection *result = new (mm) FTDistanceLiteral(arg_, FTRange::FROM_TO, distance, distance2, unit_, mm); result->setLocationInfo(this); return result->optimize(ftcontext, execute); } } } FTSelection *newarg = arg_->optimize(ftcontext, execute); if(newarg == 0) return 0; if(newarg->getType() == WORD) { return newarg; } newarg = new (mm) FTDistance(range_, unit_, newarg, mm); newarg->setLocationInfo(this); return newarg; }