| using J2N.Text; |
| using System; |
| using System.Text; |
| |
| namespace Lucene.Net.Benchmarks.ByTask.Feeds |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Parser for the FBIS docs in trec disks 4+5 collection format |
| /// </summary> |
| public class TrecFBISParser : TrecDocParser |
| { |
| private static readonly string HEADER = "<HEADER>"; |
| private static readonly string HEADER_END = "</HEADER>"; |
| private static readonly int HEADER_END_LENGTH = HEADER_END.Length; |
| |
| private static readonly string DATE1 = "<DATE1>"; |
| private static readonly string DATE1_END = "</DATE1>"; |
| |
| private static readonly string TI = "<TI>"; |
| private static readonly string TI_END = "</TI>"; |
| |
| public override DocData Parse(DocData docData, string name, TrecContentSource trecSrc, |
| StringBuilder docBuf, ParsePathType pathType) |
| { |
| int mark = 0; // that much is skipped |
| // optionally skip some of the text, set date, title |
| DateTime? date = null; |
| string title = null; |
| int h1 = docBuf.IndexOf(HEADER, StringComparison.Ordinal); |
| if (h1 >= 0) |
| { |
| int h2 = docBuf.IndexOf(HEADER_END, h1, StringComparison.Ordinal); |
| mark = h2 + HEADER_END_LENGTH; |
| // date... |
| string dateStr = Extract(docBuf, DATE1, DATE1_END, h2, null); |
| if (dateStr != null) |
| { |
| date = trecSrc.ParseDate(dateStr); |
| } |
| // title... |
| title = Extract(docBuf, TI, TI_END, h2, null); |
| } |
| docData.Clear(); |
| docData.Name = name; |
| docData.SetDate(date); |
| docData.Title = title; |
| docData.Body = StripTags(docBuf, mark).ToString(); |
| return docData; |
| } |
| } |
| } |