Examples of org.erlide.engine.model.root.IErlProject

org.erlide.engine.model.root.IErlProject
An Erlang project represents a view of a project resource in terms of Erlang elements such as applications, modules, attributes and functions. A project may contain several applications, which contain modules. An application corresponds to an underlying folder.
Each Erlang project has a code path, defining which folders contain source code and where required libraries are located. Each Erlang project also has an output location, defining where the builder writes .beam files. A project that references modules in another project can access the modules by including the required project in a code path entry. The Erlang model will present the source elements in the required project; when building, the compiler will use the corresponding generated beam files from the required project's output location(s). The code path format is a sequence of code path entries describing the location and contents of applications.
Erlang project elements need to be opened before they can be navigated or manipulated. The children of a Erlang project are the package fragment roots that are defined by the classpath and contained in this project (in other words, it does not include package fragment roots for other projects).

@noimplement This interface is not intended to be implemented by clients. Aninstance of one of these handles can be created via ErlangCore.create(project).
@see ErlangCore#createRoot(org.eclipse.core.resources.IProject)

    // IErlModule findIncludeFromProject(IErlProject project, String
    // includeName, String includePath, Scope scope) throws ErlModelException;
    @Test
    public void findIncludeFromProject() throws Exception {
        File externalIncludeFile = null;
        final IErlProject aProject = project;
        final IProject workspaceProject = aProject.getWorkspaceProject();
        final IProject[] referencedProjects = workspaceProject.getReferencedProjects();
        final Collection<IPath> includeDirs = aProject.getProperties().getIncludeDirs();
        // given
        // a project with an external include and an internal include and a
        // referenced project with an include
        try {
            final String xxHrl = "xx.hrl";
            externalIncludeFile = createTmpFile(xxHrl,
                    "-record(rec2, {field, another=def}.");
            final String externalIncludePath = externalIncludeFile.getAbsolutePath();
            final IPath p = new Path(externalIncludePath).removeLastSegments(1);
            final List<IPath> newIncludeDirs = Lists.newArrayList(includeDirs);
            newIncludeDirs.add(p);
            ((ErlProject) aProject).setIncludeDirs(newIncludeDirs);
            final IErlModule include = createInclude(aProject, "yy5.hrl",
                    "-define(Y, include).\n");
            final IErlProject project1 = project2;
            final IErlModule referencedInclude = createInclude(project1, "zz5.hrl",
                    "-define(Z, referenced).\n");
            aProject.open(null);
            // when
            // looking for includes
            final String xx = "xx";
            final IErlModule x1 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);
            final IErlModule x2 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.ALL_PROJECTS);
            final IErlModule x3 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.REFERENCED_PROJECTS);
            final String yy = "yy5";
            final IErlModule y1 = model.findIncludeFromProject(aProject, yy, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);
            final IErlModule y2 = model.findIncludeFromProject(aProject, yy, null,
                    IErlElementLocator.Scope.ALL_PROJECTS);
            final IErlModule y3 = model.findIncludeFromProject(aProject, yy, null,
                    IErlElementLocator.Scope.REFERENCED_PROJECTS);
            final IErlModule y4 = model.findIncludeFromProject(project1, yy, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);
            final IErlModule y5 = model.findIncludeFromProject(project1, yy, null,
                    IErlElementLocator.Scope.ALL_PROJECTS);
            final IErlModule y6 = model.findIncludeFromProject(project1, yy, null,
                    IErlElementLocator.Scope.REFERENCED_PROJECTS);
            final String zz = "zz5";
            final IErlModule z1 = model.findIncludeFromProject(aProject, zz, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);
            final IErlModule z2 = model.findIncludeFromProject(aProject, zz, null,
                    IErlElementLocator.Scope.ALL_PROJECTS);
            final IErlModule z3 = model.findIncludeFromProject(aProject, zz, null,
                    IErlElementLocator.Scope.REFERENCED_PROJECTS);
            final IProjectDescription description = workspaceProject.getDescription();
            description.setReferencedProjects(new IProject[] { project1
                    .getWorkspaceProject() });
            workspaceProject.setDescription(description, null);
            aProject.open(null);
            final IErlModule z4 = model.findIncludeFromProject(aProject, zz, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);

View Full Code Here

    }


    @Test
    public void findInclude_preferProjectFile() throws Exception {
        File externalIncludeFile = null;
        final IErlProject aProject = project;
        final IProject workspaceProject = aProject.getWorkspaceProject();
        final IProject[] referencedProjects = workspaceProject.getReferencedProjects();
        final Collection<IPath> includeDirs = aProject.getProperties().getIncludeDirs();
        // given
        // a project with an external include and a
        // referenced project with an include, both have same name
        try {
            final String xxHrl = "xx.hrl";
            externalIncludeFile = createTmpFile(xxHrl,
                    "-record(rec2, {field, another=def}.");
            final String externalIncludePath = externalIncludeFile.getAbsolutePath();
            final IPath p = new Path(externalIncludePath).removeLastSegments(1);
            final List<IPath> newIncludeDirs = Lists.newArrayList(includeDirs);
            newIncludeDirs.add(p);
            ((ErlProject) aProject).setIncludeDirs(newIncludeDirs);
            final IErlProject project1 = project2;
            final IErlModule referencedInclude = createInclude(project1, xxHrl,
                    "-define(Z, referenced).\n");
            aProject.open(null);
            // when
            // looking for includes
            final String xx = "xx";
            final IErlModule x1 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);
            final IErlModule x2 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.ALL_PROJECTS);
            final IErlModule x3 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.REFERENCED_PROJECTS);
            final IProjectDescription description = workspaceProject.getDescription();
            description.setReferencedProjects(new IProject[] { project1
                    .getWorkspaceProject() });
            workspaceProject.setDescription(description, null);
            aProject.open(null);
            final IErlModule x4 = model.findIncludeFromProject(aProject, xx, null,
                    IErlElementLocator.Scope.PROJECT_ONLY);

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        private void addPathFiltersToContentProvider(final IProject project) {
            // FIXME (JC) all this seems too much... is it really necessary?
            // couldn't we just assume all links in external files should be
            // matchable?
            final IErlElementLocator model = ErlangEngine.getInstance().getModel();
            final IErlProject erlProject = model.findProject(project);
            if (erlProject != null) {
                final ErlangProjectProperties properties = erlProject.getProperties();
                final String extMods = properties.getExternalModules();
                final List<String> files = new ArrayList<String>();
                files.addAll(PreferencesUtils.unpackList(extMods));
                final String extIncs = properties.getExternalIncludes();
                files.addAll(PreferencesUtils.unpackList(extIncs));

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                proxyContentProvider.add(path, moduleFilter);
            }
        }


        private void addPaths(final IProject project) {
            final IErlProject erlProject = ErlangEngine.getInstance().getModel()
                    .getErlangProject(project);
            if (erlProject != null) {
                validPaths.addAll(getFullPaths(project, erlProject.getProperties()
                        .getIncludeDirs()));
                validPaths.addAll(getFullPaths(project, erlProject.getProperties()
                        .getSourceDirs()));
                final Collection<IPath> extras = Lists.newArrayList();
                for (final IPath p : SourcePathUtils.getExtraSourcePathsForModel(project)) {
                    extras.add(p);
                }

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                if (!dest.exists()) {
                    dest.create(true, true, null);
                }
                options.put("dir", new OtpErlangString(dest.getLocation().toString()));
                final List<String> files = new ArrayList<String>();
                final IErlProject erlProject = ErlangEngine.getInstance().getModel()
                        .findProject(project);
                for (final IPath dir : erlProject.getProperties().getSourceDirs()) {
                    final IFolder folder = project.getFolder(dir);
                    if (folder.isAccessible()) {
                        folder.accept(new IResourceVisitor() {
                            @Override
                            public boolean visit(final IResource resource)

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    @Test
    public void moduleWithNonErlangExtension() throws Exception {
        // given an erlang project
        final String projectName = "testproject";
        final IErlProject erlProject = createTmpErlProject(projectName);
        assertNotNull(erlProject);
        // when creating a module with non-erlang extension, e.g. erlx
        final IErlModule a = createModule(erlProject, "a.erlx",
                        "-module(a).\n-export([t/0]).\nt() ->\n    p(a).\np(L) ->\n    lists:reverse(L).\n");
        // then it should be created

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            if (!(element instanceof IResource)) {
                return;
            }
            final IErlElement erlElement = ErlangEngine.getInstance().getModel()
                    .findElement((IResource) element);
            final IErlProject project = ErlangEngine.getInstance().getModelUtilService()
                    .getProject(erlElement);
            if (project != null) {
                projects.add(project);
            }
        }

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    @Override
    public void launch(final IEditorPart editor, final String mode) {
        ErlLogger.debug("** Launch :: " + editor.getTitle());
        if (editor instanceof AbstractErlangEditor) {
            final AbstractErlangEditor erlangEditor = (AbstractErlangEditor) editor;
            final IErlProject project = erlangEditor.getProject();
            if (project != null) {
                try {
                    doLaunch(mode, Lists.newArrayList(project));
                } catch (final CoreException e) {
                    final IWorkbench workbench = PlatformUI.getWorkbench();

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    }


    // IErlModule getModule(String name) throws ErlModelException;
    @Test
    public void getModule() throws Exception {
        final IErlProject aProject = project2;
        final Collection<IPath> sourceDirs = aProject.getProperties().getSourceDirs();
        try {
            // given
            // an Erlang project and a module
            final IErlModule aModule = createModule(aProject, "aa.erl", "-module(aa).\n");
            final IPath srcxPath = new Path("srcx");
            final List<IPath> srcxDirs = Lists.newArrayList(srcxPath);
            aProject.open(null);
            // when
            // setting source dirs so the module is on source path
            final IErlModule module2 = aProject.getModule("aa");
            assertEquals(aModule, module2);


            final IErlModule nullModule = aProject.getModule("aa.hrl");
            final IErlModule nullModule2 = aProject.getModule("AA");
            final IErlModule nullModule3 = aProject.getModule("aA");
            final IErlModule nullModule4 = aProject.getModule("AA.erl");
            assertNull(nullModule);
            assertNull(nullModule2);
            assertNull(nullModule3);
            assertNull(nullModule4);


            final IErlModule module4 = aProject.getModule("aa.erl");
            ((ErlProject) aProject).setSourceDirs(srcxDirs);
            aProject.open(null);
            assertEquals(aModule, module4);


            final IErlModule srcxModule = aProject.getModule("aa");
            ((ErlProject) aProject).setSourceDirs(sourceDirs);
            assertNull(srcxModule);


            aProject.open(null);
            final IErlModule module3 = aProject.getModule("aa");
            assertEquals(aModule, module3);
        } finally {
            ((ErlProject) aProject).setSourceDirs(sourceDirs);
        }
    }

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    }


    // IProject getWorkspaceProject();
    @Test
    public void getWorkspaceProject() throws Exception {
        final IErlProject aProject = project2;
        final IProject workspaceProject = aProject.getWorkspaceProject();
        assertNotNull(workspaceProject);
        assertEquals(aProject.getName(), workspaceProject.getName());
    }

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