GP-3081 - Fixed help build for external plugins

Ghidra/Framework/Generic/src/main/java/generic/application/GenericApplicationLayout.java

@@ -22,11 +22,12 @@ import java.util.Map.Entry;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import org.apache.commons.lang3.StringUtils;
+
 import generic.jar.ResourceFile;
 import ghidra.framework.ApplicationProperties;
 import ghidra.framework.GModule;
 import ghidra.util.SystemUtilities;
-import util.CollectionUtils;
 import utility.application.ApplicationLayout;
 import utility.application.ApplicationUtilities;
 import utility.module.ClasspathFilter;
@@ -39,6 +40,14 @@ import utility.module.ModuleUtilities;
  */
 public class GenericApplicationLayout extends ApplicationLayout {
 
+	/**
+	 * System property that allows specification of additional application root dirs.  This is used
+	 * for clients that build plugins external to an installation.  The property will be parsed 
+	 * using {@link File#pathSeparator}, allowing for multiple values.
+	 */
+	private static final String ADDITIONAL_APPLICATION_ROOT_DIRS =
+		"ADDITIONAL_APPLICATION_ROOT_DIRS";
+
 	private static final String NO_RELEASE_NAME = "NO_RELEASE";
 
 	/** Dev mode main source bin dir pattern */
@@ -92,19 +101,10 @@ public class GenericApplicationLayout extends ApplicationLayout {
 		}
 
 		// Modules
-		if (SystemUtilities.isInDevelopmentMode()) {
+		Collection<ResourceFile> moduleRoots =
-
+			ModuleUtilities.findModuleRootDirectories(applicationRootDirs);
-			// In development mode we rely on the IDE's classpath to determine which modules to
+		modules =
-			// include, as opposed to scanning the filesystem.  This prevents unrelated modules
+			ModuleUtilities.findModules(applicationRootDirs, moduleRoots, new ClasspathFilter());
-			// from being used.
-
-			modules = ModuleUtilities.findModules(applicationRootDirs,
-				ModuleUtilities.findModuleRootDirectories(applicationRootDirs),
-				new ClasspathFilter());
-		}
-		else {
-			modules = ModuleUtilities.findModules(applicationRootDirs, applicationRootDirs);
-		}
 
 		// User directories
 		userTempDir = ApplicationUtilities.getDefaultUserTempDir(applicationProperties);
@@ -160,17 +160,33 @@ public class GenericApplicationLayout extends ApplicationLayout {
 	}
 
 	/**
-	 * Get the default list of Application directories.  In repo-based
+	 * Get the default list of Application directories.  In repo-based development mode this 
-	 * development mode this includes the root Ghidra directory within each repo.
+	 * includes the root Ghidra directory within each repo.  When not in development mode, the 
-	 * When not in development mode, the requirement is that the current working
+	 * requirement is that the current working directory correspond to the installation root.  The 
-	 * directory correspond to the installation root.  The first entry will be
+	 * first entry will be the primary root in both cases.
-	 * the primary root in both cases.
 	 * @return root directories
 	 */
 	public static Collection<ResourceFile> getDefaultApplicationRootDirs() {
-		if (SystemUtilities.isInDevelopmentMode()) {
+
-			return ApplicationUtilities.findDefaultApplicationRootDirs();
+		Set<ResourceFile> results = new HashSet<>();
+		String additionalRootsProperty = System.getProperty(ADDITIONAL_APPLICATION_ROOT_DIRS);
+		if (!StringUtils.isBlank(additionalRootsProperty)) {
+			String[] paths = additionalRootsProperty.split(File.pathSeparator);
+			for (String path : paths) {
+				ResourceFile file = new ResourceFile(path);
+				results.add(file);
 			}
-		return CollectionUtils.asList(new ResourceFile(System.getProperty("user.dir")));
+		}
+
+		if (SystemUtilities.isInDevelopmentMode()) {
+			Collection<ResourceFile> defaultRoots =
+				ApplicationUtilities.findDefaultApplicationRootDirs();
+			results.addAll(defaultRoots);
+		}
+		else {
+			results.add(new ResourceFile(System.getProperty("user.dir")));
+		}
+
+		return results;
 	}
 }

Ghidra/Framework/Help/src/main/java/help/HelpBuildUtils.java

@@ -488,7 +488,7 @@ public class HelpBuildUtils {
 				debug("Exception loading filesystem for uri: " + uri + "\n\t" + e1.getMessage());
 			}
 		}
-		return Paths.get(uri);
+		return null;
 	}
 
 	/** 

Ghidra/Framework/Help/src/main/java/help/validator/ReferenceTagProcessor.java

@@ -17,11 +17,10 @@ package help.validator;
 
 import java.io.IOException;
 import java.net.URISyntaxException;
-import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.*;
 
-import ghidra.util.exception.AssertException;
 import help.HelpBuildUtils;
 import help.validator.location.HelpModuleLocation;
 import help.validator.model.HREF;
@@ -30,7 +29,8 @@ import help.validator.model.IMG;
 public class ReferenceTagProcessor extends TagProcessor {
 
 	private static final String EOL = System.getProperty("line.separator");
-	private static final String STYLESHEET_FILENAME = "DefaultStyle.css";
+	private static final String SHARED_STYLESHEET_NAME = "help/shared/DefaultStyle.css";
+	private static final Path SHARED_STYLESHEET_PATH = Paths.get(SHARED_STYLESHEET_NAME);
 
 	private Path htmlFile;
 	private Set<Path> styleSheets = new HashSet<>();
@@ -38,7 +38,6 @@ public class ReferenceTagProcessor extends TagProcessor {
 	private boolean readingTitle = false;
 
 	private final StringBuffer errors = new StringBuffer();
-	private final Path defaultStyleSheet;
 	private final AnchorManager anchorManager;
 	private final HelpModuleLocation help;
 	private int errorCount;
@@ -46,13 +45,6 @@ public class ReferenceTagProcessor extends TagProcessor {
 	public ReferenceTagProcessor(HelpModuleLocation help, AnchorManager anchorManager) {
 		this.help = help;
 		this.anchorManager = anchorManager;
-
-		Path sharedHelpDir = HelpBuildUtils.getSharedHelpDirectory();
-		defaultStyleSheet = sharedHelpDir.resolve(Path.of(STYLESHEET_FILENAME));
-
-		if (Files.notExists(defaultStyleSheet)) {
-			throw new AssertException("Cannot find expected stylesheet: " + defaultStyleSheet);
-		}
 	}
 
 	@Override
@@ -122,10 +114,17 @@ public class ReferenceTagProcessor extends TagProcessor {
 
 				String href = tagAttributes.get("href");
 				if (href != null) {
+
+					// The user has linked to the system stylesheet; no need to resolve
+					if (SHARED_STYLESHEET_NAME.equals(href)) {
+						styleSheets.add(SHARED_STYLESHEET_PATH);
+					}
+					else {
 						Path css = HelpBuildUtils.getFile(htmlFile, href);
 						css = css.normalize();
 						styleSheets.add(css); // validated later
 					}
+				}
 //				}
 			}
 		}
@@ -175,7 +174,7 @@ public class ReferenceTagProcessor extends TagProcessor {
 
 		boolean hasDefaultStyleSheet = false;
 		for (Path ss : styleSheets) {
-			if (defaultStyleSheet.equals(ss)) {
+			if (SHARED_STYLESHEET_PATH.equals(ss)) {
 				hasDefaultStyleSheet = true;
 				break;
 			}
@@ -183,7 +182,7 @@ public class ReferenceTagProcessor extends TagProcessor {
 
 		if (!hasDefaultStyleSheet) {
 			errorCount++;
-			errors.append("Incorrect stylesheet defined - none match " + defaultStyleSheet +
+			errors.append("Incorrect stylesheet defined - none match " + SHARED_STYLESHEET_NAME +
 				" in file " + htmlFile + EOL + "\tDiscovered stylesheets: " + styleSheets + EOL);
 
 		}

Ghidra/RuntimeScripts/Common/support/buildExtension.gradle

@@ -253,6 +253,11 @@ task buildHelp(type: JavaExec, dependsOn: indexHelp) {
 	
 	args '-o', "${outputDir.absolutePath}"	// set the output directory arg
 
+	// register the Ghidra installation as an application root so the help system can find modules
+	systemProperties = [
+		"ADDITIONAL_APPLICATION_ROOT_DIRS": "${ghidraInstallDir}/Ghidra"
+	]
+
 	doFirst {		
 		configurations.helpPath.each { 
 			args "-hp"

GhidraBuild/Skeleton/build.gradle

@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 apply from: "$rootProject.projectDir/gradle/javaProject.gradle"
+apply from: "$rootProject.projectDir/gradle/helpProject.gradle"
 apply plugin: 'eclipse'
 
-
 eclipse.project.name = '_Skeleton'
 
 dependencies {

GhidraBuild/Skeleton/src/main/help/help/topics/skeleton/help.html

@@ -10,7 +10,7 @@
     <META name="ProgId" content="FrontPage.Editor.Document">
 
     <TITLE>Skeleton Help File for a Module</TITLE>
-    <LINK rel="stylesheet" type="text/css" href="help/shared/Frontpage.css">
+    <LINK rel="stylesheet" type="text/css" href="help/shared/DefaultStyle.css">
   </HEAD>
 
   <BODY>