| /** \file fsiterator.cpp . |
| ----------------------------------------------------------------------------- |
| |
| |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| |
| ----------------------------------------------------------------------------- |
| |
| Description: |
| |
| ----------------------------------------------------------------------------- |
| |
| |
| -------------------------------------------------------------------------- */ |
| |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Include dependencies */ |
| /* ----------------------------------------------------------------------- */ |
| #include "uima/fsiterator.hpp" |
| #include "uima/lowlevel_indexiterator.hpp" |
| #include "uima/internal_fspromoter.hpp" |
| #include "uima/lowlevel_fsheap.hpp" |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Constants */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Forward declarations */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Types / Classes */ |
| /* ----------------------------------------------------------------------- */ |
| |
| /* ----------------------------------------------------------------------- */ |
| /* Implementation */ |
| /* ----------------------------------------------------------------------- */ |
| |
| namespace uima { |
| |
| FSIterator::FSIterator(uima::lowlevel::IndexIterator* pIt, |
| uima::CAS * pFSSystem) |
| : iv_pIterator( pIt), |
| iv_cas( pFSSystem ) { |
| assert(EXISTS(iv_pIterator)); |
| iv_pIterator->moveToFirst(); |
| } |
| |
| FSIterator::FSIterator() |
| : iv_pIterator(NULL), |
| iv_cas(NULL) {} |
| |
| FSIterator & FSIterator::operator=(FSIterator const & crOther) { |
| if (this == &crOther) { |
| return *this; |
| } |
| if (iv_pIterator != NULL) { |
| delete iv_pIterator; |
| } |
| iv_pIterator = NULL; |
| iv_cas = crOther.iv_cas; |
| iv_pIterator = crOther.iv_pIterator->clone(); |
| return *this; |
| } |
| |
| FSIterator::FSIterator(FSIterator const & crOther) |
| : iv_pIterator(NULL), |
| iv_cas(NULL) { |
| *this = crOther; |
| } |
| |
| FSIterator::~FSIterator() { |
| if (iv_pIterator != NULL) { |
| delete iv_pIterator; |
| } |
| } |
| |
| |
| bool FSIterator::isValid() const { |
| if (iv_pIterator == NULL) { |
| return false; |
| } |
| assert( EXISTS(iv_pIterator) ); |
| return iv_pIterator->isValid(); |
| } |
| |
| void FSIterator::moveTo(FeatureStructure fs) { |
| assert( EXISTS(iv_pIterator) ); |
| iv_pIterator->moveTo(uima::internal::FSPromoter::demoteFS(fs) ); |
| } |
| |
| void FSIterator::moveToFirst() { |
| assert( EXISTS(iv_pIterator) ); |
| iv_pIterator->moveToFirst(); |
| } |
| |
| void FSIterator::moveToLast() { |
| assert( EXISTS(iv_pIterator) ); |
| iv_pIterator->moveToLast(); |
| } |
| |
| void FSIterator::moveToNext() { |
| assert( EXISTS(iv_pIterator) ); |
| iv_pIterator->moveToNext(); |
| } |
| |
| void FSIterator::moveToPrevious() { |
| assert( EXISTS(iv_pIterator) ); |
| iv_pIterator->moveToPrevious(); |
| } |
| |
| FeatureStructure FSIterator::get() const { |
| assert( EXISTS(iv_pIterator) ); |
| assert( EXISTS(iv_cas) ); |
| return uima::internal::FSPromoter::promoteFS( iv_pIterator->get(), *iv_cas ); |
| } |
| |
| |
| FeatureStructure FSIterator::peekNext() const { |
| FeatureStructure result; |
| iv_pIterator->moveToNext(); |
| if (iv_pIterator->isValid()) { |
| result = uima::internal::FSPromoter::promoteFS( iv_pIterator->get(), *iv_cas ); |
| iv_pIterator->moveToPrevious(); |
| } else { |
| iv_pIterator->moveToLast(); |
| } |
| return result; |
| } |
| |
| FeatureStructure FSIterator::peekPrevious() const { |
| FeatureStructure result; |
| iv_pIterator->moveToPrevious(); |
| if (iv_pIterator->isValid()) { |
| result = uima::internal::FSPromoter::promoteFS( iv_pIterator->get(), *iv_cas ); |
| iv_pIterator->moveToNext(); |
| } else { |
| iv_pIterator->moveToFirst(); |
| } |
| return result; |
| } |
| |
| |
| } |
| |
| |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| |
| |