Added Show Cppcheck XML Output action to show the latest XML output - refs johnthagen#53

Author: firewave

README.md

@@ -62,6 +62,8 @@ Deployment.
 
 ### 1.6.3 - 20XX-XX-XX
 
+- Added `Show Cppcheck XML Output` action to show the latest XML output.
+
 ### 1.6.2 - 2022-01-25
 
 - Fixed `NullPointerException` with Cppcheck < 1.89 caused by missing `column` attribute in XML result.

resources/META-INF/plugin.xml

@@ -60,6 +60,7 @@
     ]]></description>
 
   <change-notes><![CDATA[
+    - Added `Show Cppcheck XML Output` action to show the latest XML output.
     ]]>
   </change-notes>
 
@@ -84,6 +85,8 @@
 
   <actions>
     <!-- Add your actions here -->
+    <action id="com.github.johnthagen.cppcheck.ShowOutputAction" class="com.github.johnthagen.cppcheck.ShowOutputAction"
+            text="Show Cppcheck XML Output" description="Show the raw Cppcheck --xml output for the current file"/>
   </actions>
 
 </idea-plugin>

src/com/github/johnthagen/cppcheck/CppcheckInspection.java

@@ -19,9 +19,13 @@
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.List;
 
 class CppcheckInspection extends LocalInspectionTool {
+    final static Path LATEST_RESULT_FILE = Paths.get(FileUtil.getTempDirectory(), "clion-cppcheck-latest.xml");
+
     @Nullable
     @Override
     public ProblemDescriptor[] checkFile(@NotNull final PsiFile file,
@@ -60,6 +64,9 @@ public ProblemDescriptor[] checkFile(@NotNull final PsiFile file,
                     CppCheckInspectionImpl.executeCommandOnFile(vFile, cppcheckPath, prependIncludeDir(cppcheckOptions, vFile),
                             tempFile, cppcheckMisraPath);
 
+            // store the output of the latest analysis
+            FileUtil.writeToFile(LATEST_RESULT_FILE.toFile(), cppcheckOutput);
+
             final List<ProblemDescriptor> descriptors = CppCheckInspectionImpl.parseOutput(file, manager, document, cppcheckOutput,
                     tempFile.getName());
             return descriptors.toArray(new ProblemDescriptor[0]);

src/com/github/johnthagen/cppcheck/ShowOutputAction.java

@@ -0,0 +1,31 @@
+package com.github.johnthagen.cppcheck;
+
+import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.AnActionEvent;
+import com.intellij.openapi.fileEditor.FileEditorManager;
+import com.intellij.openapi.fileEditor.OpenFileDescriptor;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.vfs.LocalFileSystem;
+import com.intellij.openapi.vfs.VirtualFile;
+import org.jetbrains.annotations.NotNull;
+
+import static com.github.johnthagen.cppcheck.CppcheckInspection.LATEST_RESULT_FILE;
+
+public class ShowOutputAction extends AnAction {
+    @Override
+    public void actionPerformed(@NotNull final AnActionEvent anActionEvent) {
+        final VirtualFile vFile = LocalFileSystem.getInstance().findFileByIoFile(LATEST_RESULT_FILE.toFile());
+        if (vFile == null) {
+            return;
+        }
+
+        final Project project = anActionEvent.getProject();
+        if (project == null) {
+            return;
+        }
+
+        // TODO: make it possible to view the output for the currently open file
+        // TODO: find a way to display this without writing to the file system
+        FileEditorManager.getInstance(project).openTextEditor(new OpenFileDescriptor(project, vFile), true);
+    }
+}