Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FigureBlockParser |
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| 3.6666666666666665;3,667 |
1 | package org.apache.maven.doxia.module.confluence.parser; | |
2 | ||
3 | /* | |
4 | * Licensed to the Apache Software Foundation (ASF) under one | |
5 | * or more contributor license agreements. See the NOTICE file | |
6 | * distributed with this work for additional information | |
7 | * regarding copyright ownership. The ASF licenses this file | |
8 | * to you under the Apache License, Version 2.0 (the | |
9 | * "License"); you may not use this file except in compliance | |
10 | * with the License. You may obtain a copy of the License at | |
11 | * | |
12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
13 | * | |
14 | * Unless required by applicable law or agreed to in writing, | |
15 | * software distributed under the License is distributed on an | |
16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
17 | * KIND, either express or implied. See the License for the | |
18 | * specific language governing permissions and limitations | |
19 | * under the License. | |
20 | */ | |
21 | ||
22 | import org.apache.maven.doxia.parser.ParseException; | |
23 | import org.apache.maven.doxia.util.ByLineSource; | |
24 | ||
25 | /** | |
26 | * <p>FigureBlockParser class.</p> | |
27 | * | |
28 | * @version $Id: FigureBlockParser.java 763889 2009-04-10 08:57:55Z bentmann $ | |
29 | * @since 1.1 | |
30 | */ | |
31 | 240 | public class FigureBlockParser |
32 | implements BlockParser | |
33 | { | |
34 | /** {@inheritDoc} */ | |
35 | public boolean accept( String line, ByLineSource source ) | |
36 | { | |
37 | 464 | return line.startsWith( "!" ) && line.lastIndexOf( "!" ) > 1; |
38 | } | |
39 | ||
40 | /** {@inheritDoc} */ | |
41 | public Block visit( String line, ByLineSource source ) | |
42 | throws ParseException | |
43 | { | |
44 | 14 | String image = line.substring( 1, line.lastIndexOf( "!" ) ); |
45 | 14 | if ( image.indexOf( "|" ) >= 0 ) |
46 | { | |
47 | // DOXIA-303: handle figure attributes | |
48 | 2 | image = image.substring( 0, image.indexOf( "|" ) ); |
49 | } | |
50 | ||
51 | 14 | line = line.substring( line.lastIndexOf( "!" ) + 1 ).trim(); |
52 | ||
53 | 14 | if ( line.startsWith( "\\\\" ) ) |
54 | { | |
55 | // ignore linebreak at start of caption | |
56 | 2 | line = line.substring( 2 ); |
57 | } | |
58 | ||
59 | 14 | String caption = line + appendUntilEmptyLine( source ); |
60 | ||
61 | 14 | if ( caption.trim().length() > 0 ) |
62 | { | |
63 | 10 | return new FigureBlock( image, caption ); |
64 | } | |
65 | ||
66 | 4 | return new FigureBlock( image ); |
67 | } | |
68 | ||
69 | /** | |
70 | * Slurp lines from the source starting with the given line appending them together into a StringBuffer until an | |
71 | * empty line is reached, and while the source contains more lines. | |
72 | * | |
73 | * @param source the source to read new lines from | |
74 | * @return a StringBuffer appended with lines | |
75 | * @throws ParseException | |
76 | */ | |
77 | private String appendUntilEmptyLine( ByLineSource source ) | |
78 | throws ParseException | |
79 | { | |
80 | 14 | StringBuffer text = new StringBuffer(); |
81 | ||
82 | String line; | |
83 | ||
84 | 22 | while ( ( line = source.getNextLine() ) != null ) |
85 | { | |
86 | ||
87 | 20 | if ( line.trim().length() == 0 ) |
88 | { | |
89 | 12 | break; |
90 | } | |
91 | ||
92 | 8 | if ( text.length() == 0 ) |
93 | { | |
94 | 8 | text.append( line.trim() ); |
95 | } | |
96 | else | |
97 | { | |
98 | 0 | text.append( " " + line.trim() ); |
99 | } | |
100 | ||
101 | } | |
102 | ||
103 | 14 | return text.toString(); |
104 | } | |
105 | } |