CMake warnings support

pom.xml

@@ -6,7 +6,7 @@
 
   <groupId>edu.hm.hafner</groupId>
   <artifactId>analysis-model</artifactId>
-  <version>4.0.1-SNAPSHOT</version>
+  <version>4.1.0-SNAPSHOT</version>
 
   <packaging>jar</packaging>
 

src/main/java/edu/hm/hafner/analysis/parser/CMakeParser.java

@@ -0,0 +1,52 @@
+package edu.hm.hafner.analysis.parser;
+
+import java.util.Optional;
+import java.util.regex.Matcher;
+
+import org.apache.commons.lang3.StringUtils;
+
+import edu.hm.hafner.analysis.Issue;
+import edu.hm.hafner.analysis.IssueBuilder;
+import edu.hm.hafner.analysis.Severity;
+import edu.hm.hafner.analysis.LookaheadParser;
+import edu.hm.hafner.util.LookaheadStream;
+
+/**
+ * A parser for CMake warnings.
+ *
+ * @author Uwe Brandt
+ */
+public class CMakeParser extends LookaheadParser {
+    private static final long serialVersionUID = 8149238560432255036L;
+
+    private static final String CMAKE_WARNING_PATTERN =
+            "CMake\\s+Warning(?:.*?(?<file>\\S+)){0,1}(?::(?<line>\\d+)\\s+(?<category>\\S+)){0,1}\\s*:";
+
+    /**
+     * Creates a new instance of {@link CMakeParser}.
+     */
+    public CMakeParser() {
+        super(CMAKE_WARNING_PATTERN);
+    }
+
+    @Override
+    protected Optional<Issue> createIssue(final Matcher matcher, final LookaheadStream lookahead,
+                                          final IssueBuilder builder) {
+        // if the category is contained in brackets, remove those brackets
+        String category = StringUtils.strip(matcher.group("category"), "()");
+        return builder.setFileName(matcher.group("file"))
+                .setLineStart(matcher.group("line"))
+                .setCategory(category)
+                .setMessage(readMessage(lookahead))
+                .setSeverity(Severity.WARNING_NORMAL)
+                .buildOptional();
+    }
+
+    private String readMessage(final LookaheadStream lookahead) {
+        if (lookahead.hasNext()) {
+            return lookahead.next();
+        }
+        return "";
+    }
+}
+

src/test/java/edu/hm/hafner/analysis/parser/CMakeParserTest.java

@@ -0,0 +1,52 @@
+package edu.hm.hafner.analysis.parser;
+
+import edu.hm.hafner.analysis.AbstractParserTest;
+import edu.hm.hafner.analysis.Severity;
+import edu.hm.hafner.analysis.Report;
+import edu.hm.hafner.analysis.assertj.SoftAssertions;
+
+/**
+ * Tests the class {@link CMakeParser}.
+ *
+ * @author Uwe Brandt
+ */
+class CMakeParserTest extends AbstractParserTest {
+    CMakeParserTest() {
+        super("cmake.txt");
+    }
+
+    @Override
+    protected void assertThatIssuesArePresent(final Report report, final SoftAssertions softly) {
+        softly.assertThat(report).hasSize(4);
+        softly.assertThat(report.get(0))
+                .hasSeverity(Severity.WARNING_NORMAL)
+                .hasCategory("")
+                .hasLineStart(0)
+                .hasMessage("[step1]   Manually-specified variables were not used by the project")
+                .hasFileName("-");
+        softly.assertThat(report.get(1))
+                .hasSeverity(Severity.WARNING_NORMAL)
+                .hasCategory("")
+                .hasLineStart(0)
+                .hasMessage("[step2]   The build directory is a subdirectory of the source directory.")
+                .hasFileName("CMakeLists.txt");
+        softly.assertThat(report.get(2))
+                .hasSeverity(Severity.WARNING_NORMAL)
+                .hasCategory("option")
+                .hasLineStart(10)
+                .hasMessage("I'm the message")
+                .hasFileName("tools/gtest-1.8/googlemock/CMakeLists.txt");
+        softly.assertThat(report.get(3))
+                .hasSeverity(Severity.WARNING_NORMAL)
+                .hasCategory("message")
+                .hasLineStart(423)
+                .hasMessage("Special workaround applied")
+                .hasFileName("project/utils/fancy.cmake");
+    }
+
+    @Override
+    protected CMakeParser createParser() {
+        return new CMakeParser();
+    }
+}
+

src/test/resources/edu/hm/hafner/analysis/parser/cmake.txt

@@ -0,0 +1,11 @@
+[step1] CMake Warning:
+[step1]   Manually-specified variables were not used by the project
+
+[step2] CMake Warning in CMakeLists.txt:
+[step2]   The build directory is a subdirectory of the source directory.
+
+CMake Warning (dev) at tools/gtest-1.8/googlemock/CMakeLists.txt:10 (option):
+I'm the message
+
+CMake Warning at project/utils/fancy.cmake:423 (message):
+Special workaround applied