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1   /*
2    * The MIT License (MIT)
3    *
4    * Copyright (c) 2013-2026 The Coveralls Maven Plugin Project Contributors:
5    *     https://github.com/hazendaz/coveralls-maven-plugin/graphs/contributors
6    *
7    * Permission is hereby granted, free of charge, to any person obtaining a copy
8    * of this software and associated documentation files (the "Software"), to deal
9    * in the Software without restriction, including without limitation the rights
10   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11   * copies of the Software, and to permit persons to whom the Software is
12   * furnished to do so, subject to the following conditions:
13   *
14   * The above copyright notice and this permission notice shall be included in
15   * all copies or substantial portions of the Software.
16   *
17   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23   * THE SOFTWARE.
24   */
25  package org.eluder.coveralls.maven.plugin.parser;
26  
27  import java.io.File;
28  import java.io.IOException;
29  
30  import javax.xml.stream.XMLStreamException;
31  import javax.xml.stream.XMLStreamReader;
32  
33  import org.eluder.coveralls.maven.plugin.ProcessingException;
34  import org.eluder.coveralls.maven.plugin.domain.Source;
35  import org.eluder.coveralls.maven.plugin.source.SourceCallback;
36  import org.eluder.coveralls.maven.plugin.source.SourceLoader;
37  
38  /**
39   * The Class SagaParser.
40   */
41  public class SagaParser extends AbstractXmlEventParser {
42  
43      /** The source. */
44      protected Source source;
45  
46      /** The in methods. */
47      protected boolean inMethods;
48  
49      /** The branch id. */
50      private int branchId;
51  
52      /**
53       * Instantiates a new saga parser.
54       *
55       * @param coverageFile
56       *            the coverage file
57       * @param sourceLoader
58       *            the source loader
59       */
60      public SagaParser(final File coverageFile, final SourceLoader sourceLoader) {
61          super(coverageFile, sourceLoader);
62      }
63  
64      @Override
65      protected void onEvent(final XMLStreamReader xml, final SourceCallback callback)
66              throws XMLStreamException, ProcessingException, IOException {
67          if (this.isStartElement(xml, "class")) {
68              final var name = xml.getAttributeValue(null, "name");
69              this.source = this.loadSource(name);
70          } else if (this.isStartElement(xml, "methods") && this.source != null) {
71              this.inMethods = true;
72          } else if (this.isEndElement(xml, "methods") && this.source != null) {
73              this.inMethods = false;
74          } else if (this.isStartElement(xml, "line") && !this.inMethods && this.source != null) {
75              final var nr = Integer.parseInt(xml.getAttributeValue(null, "number"));
76              this.source.addCoverage(nr, Integer.valueOf(xml.getAttributeValue(null, "hits")));
77              if (Boolean.parseBoolean(xml.getAttributeValue(null, "branch"))) {
78                  final var value = xml.getAttributeValue(null, "condition-coverage");
79  
80                  // Is "condition-coverage" attribute always here?
81                  if (value == null) {
82                      return;
83                  }
84  
85                  // C'mon Saga, human readable format for XML ?
86                  final var values = value // 50% (2/4)
87                          .replace(" ", "") // 50%(2/4)
88                          .replace("%", "/") // 50/(2/4)
89                          .replace("(", "") // 50/2/4)
90                          .replace(")", "") // 50/2/4
91                          .split("/", -1);
92  
93                  final var cb = Integer.parseInt(values[1]);
94                  final var tb = Integer.parseInt(values[2]);
95                  final var mb = tb - cb;
96  
97                  // add branches. unfortunately, there is NO block number and
98                  // branch number will NOT be unique between coverage changes.
99                  for (var b = 0; b < cb; b++) {
100                     this.source.addBranchCoverage(nr, 0, this.branchId++, 1);
101                 }
102                 for (var b = 0; b < mb; b++) {
103                     this.source.addBranchCoverage(nr, 0, this.branchId++, 0);
104                 }
105             }
106         } else if (this.isEndElement(xml, "class") && this.source != null) {
107             callback.onSource(this.source);
108             this.source = null;
109         }
110     }
111 
112 }