| using J2N.Text; |
| using System; |
| using System.IO; |
| 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 GOV2 collection format |
| /// </summary> |
| public class TrecGov2Parser : TrecDocParser |
| { |
| private const string DATE = "Date: "; |
| private static readonly string DATE_END = TrecContentSource.NEW_LINE; |
| |
| private const string DOCHDR = "<DOCHDR>"; |
| private const string TERMINATING_DOCHDR = "</DOCHDR>"; |
| |
| public override DocData Parse(DocData docData, string name, TrecContentSource trecSrc, |
| StringBuilder docBuf, ParsePathType pathType) |
| { |
| // skip some of the non-html text, optionally set date |
| DateTime? date = null; |
| int start = 0; |
| int h1 = docBuf.IndexOf(DOCHDR, StringComparison.Ordinal); |
| if (h1 >= 0) |
| { |
| int h2 = docBuf.IndexOf(TERMINATING_DOCHDR, h1, StringComparison.Ordinal); |
| string dateStr = Extract(docBuf, DATE, DATE_END, h2, null); |
| if (dateStr != null) |
| { |
| date = trecSrc.ParseDate(dateStr); |
| } |
| start = h2 + TERMINATING_DOCHDR.Length; |
| } |
| string html = docBuf.ToString(start, docBuf.Length - start); |
| return trecSrc.HtmlParser.Parse(docData, name, date, new StringReader(html), trecSrc); |
| } |
| } |
| } |