/** Loads the buffer via SourceMapper, and maps it in SourceMapper */
private IBuffer mapSource(
SourceMapper mapper, ClassFileElementInfo info, IClassFile bufferOwner) {
char[] contents =
mapper.findSource(getPart(), info.getEglFileName(), info.getCaseSensitivePackageName());
// create buffer
BufferManager bufManager = getBufferManager();
IBuffer buffer = bufManager.createBuffer(bufferOwner);
if (buffer == null) return null;
bufManager.addBuffer(buffer);
if (contents != null) {
// set the buffer source
if (buffer.getCharacters() == null) {
buffer.setContents(contents);
}
} else {
if (buffer.getCharacters() == null) {
String result = EGLModelResources.eglarNoSourceAttachmentContent;
buffer.setContents(result.toCharArray());
}
}
buffer.addBufferChangedListener(this);
return buffer;
}
// find current ClassFile's corresponding eclipse file from source folder
public IFile getFileInSourceFolder() {
String[] eglSourceFolders =
org.eclipse.edt.ide.core.internal.model.util.Util.getEGLSourceFolders(
new File(this.getEGLProject().getProject().getLocation().toString()));
for (String eglSourceFolder : eglSourceFolders) {
IResource sourceFolder = this.getEGLProject().getProject().findMember(eglSourceFolder);
if (sourceFolder != null
&& sourceFolder.exists()
&& sourceFolder.getType() == IResource.FOLDER) { // source folder exists
String pkgPath = "";
IResource fullPkgFolder = null;
try {
ClassFileElementInfo elementInfo = ((ClassFileElementInfo) this.getElementInfo());
String[] pkgs = elementInfo.getCaseSensitivePackageName();
if (pkgs != null && pkgs.length > 0) {
for (int i = 0; i < pkgs.length - 1; i++) {
pkgPath += pkgs[i];
pkgPath += File.separator;
}
pkgPath += pkgs[pkgs.length - 1];
fullPkgFolder = ((IFolder) sourceFolder).findMember(pkgPath);
} else {
fullPkgFolder = sourceFolder;
}
if (fullPkgFolder != null
&& fullPkgFolder.exists()
&& fullPkgFolder.getType() == IResource.FOLDER) { // package matches
String srcName =
elementInfo
.getEglFileName(); // srcName should represent the source file name eliminating
// package name
int index = srcName.lastIndexOf("/");
if (index != -1) {
srcName = srcName.substring(index);
}
IResource sourceFile = ((IFolder) fullPkgFolder).findMember(srcName);
if (sourceFile != null
&& sourceFile.exists()
&& sourceFile.getType() == IResource.FILE) { // egl source matches
return (IFile) sourceFile;
}
}
} catch (EGLModelException e) {
e.printStackTrace();
}
}
}
return null;
}
@Override
protected boolean generateInfos(
OpenableElementInfo info, IProgressMonitor pm, Map newElements, IResource underlyingResource)
throws EGLModelException {
// put the info now, because getting the contents requires it
EGLModelManager.getEGLModelManager().putInfo(this, info);
ClassFileElementInfo unitInfo = (ClassFileElementInfo) info;
// generate structure
IRFileStructureRequestor requestor = new IRFileStructureRequestor(this, unitInfo, newElements);
BinaryElementParser parser = new BinaryElementParser(requestor, project);
parser.parseDocument(this, true);
// if (isWorkingCopy()) {
// EGLFile original = (EGLFile) getOriginalElement();
// // might be IResource.NULL_STAMP if original does not exist
// unitInfo.fTimestamp = ((IFile) original.getResource()).getModificationStamp();
// }
return unitInfo.isStructureKnown();
}
public SourceMapper getSourceMapper() {
/*
* case 1: if the binary project is imported into workspace, and the eglar file is in this imported binary project,
* code enters here when:
* 1) have decided this classfile is under BP but no corresponding source file found in the source folder. Enter
* case #3 directly
* 2) need to decide if this classfile is under BP (if is BP but no source file available, enter case #3 eventually)
* case 2: if project A refers binary project B, and binary project B is used in Target Platform and remains external,
* corresponding eglar file of B will be attached as a library of A. To open an ir in project B's eglar, first look
* for external source folder for project B. if B has external source folder and corresponding source file found for
* the ir, then create SourceMapper using the external source folder location; otherwise, goto case #3
* case 3: source folder (either internal or external) not available, or no corresponding source file found in the source
* folder, then use the source attachment location to create SourceMapper, which should be the same as its parent's
* SourceMapper (eventually, this should be the same as the eglar SourceMapper)
*
*/
// case 1:
if (sourceFileSearchRequired
&& ResourcesPlugin.getWorkspace().getRoot().findMember(this.getPath())
!= null) { // non-external eglar file
IPath projPath =
this.getEGLProject().getProject().getLocation(); // absolute location in file system
if (org.eclipse.edt.ide.core.internal.model.util.Util.isBinaryProject(
new File(projPath.toString()))) { // is binary project
String[] eglSourceFolders =
org.eclipse.edt.ide.core.internal.model.util.Util.getEGLSourceFolders(
new File(this.getEGLProject().getProject().getLocation().toString()));
for (String eglSourceFolder : eglSourceFolders) {
IResource sourceFolder = this.getEGLProject().getProject().findMember(eglSourceFolder);
if (sourceFolder != null
&& sourceFolder.exists()
&& sourceFolder.getType() == IResource.FOLDER) {
String pkgPath;
try {
pkgPath = this.getPackageDeclarations()[0].getElementName();
pkgPath = pkgPath.replace(".", File.separator);
IResource fullPkgFolder = ((IFolder) sourceFolder).findMember(pkgPath);
if (fullPkgFolder != null
&& fullPkgFolder.exists()
&& fullPkgFolder.getType() == IResource.FOLDER) { // package matches
ClassFileElementInfo elementInfo = ((ClassFileElementInfo) this.getElementInfo());
String srcName = elementInfo.getEglFileName();
IResource sourceFile = ((IFolder) fullPkgFolder).findMember(srcName);
if (sourceFile == null) {
IPath path = new Path(srcName);
srcName = path.lastSegment();
sourceFile = ((IFolder) fullPkgFolder).findMember(srcName);
}
if (sourceFile != null
&& sourceFile.exists()
&& sourceFile.getType()
== IResource.FILE) { // egl source matches, use the source
return new SourceMapper(
sourceFile.getFullPath(), null, getEGLProject().getOptions(true));
}
}
} catch (EGLModelException e) {
e.printStackTrace();
}
}
}
}
}
// case 2:
if (ResourcesPlugin.getWorkspace().getRoot().findMember(this.getPath())
== null) { // external eglar file
String eglarPath = this.getPath().toString();
IEGLProject eglProj = this.getEGLProject();
boolean isInBinaryProj = false;
try {
IEGLPathEntry[] pathEntries = eglProj.getResolvedEGLPath(true);
for (IEGLPathEntry entry : pathEntries) {
// if the entry path represents a binary project, and the entry path
// is the one we want to open, then look for the binary project's source folder
if (entry.isBinaryProject() && entry.getPath().equals(this.getPath())) {
isInBinaryProj = true;
break;
}
}
} catch (EGLModelException e1) {
e1.printStackTrace();
}
if (isInBinaryProj) { // is in binary project
if (org.eclipse.edt.ide.core.internal.model.Util.isEGLARFileName(eglarPath)) {
int index = eglarPath.lastIndexOf("/");
if (index == -1) {
index = eglarPath.lastIndexOf(File.separator);
}
if (index != -1) {
String projRootPath = eglarPath.substring(0, index);
String[] eglSourceFolders =
org.eclipse.edt.ide.core.internal.model.util.Util.getEGLSourceFolders(
new File(projRootPath));
for (String eglSourceFolder : eglSourceFolders) {
String sourcePath = projRootPath + File.separator + eglSourceFolder;
// try to find the source file
try {
String pkgPath = this.getPackageDeclarations()[0].getElementName();
index = pkgPath.indexOf(".");
while (index != -1) {
sourcePath += File.separator + pkgPath.substring(0, index);
pkgPath = pkgPath.substring(index + 1);
index = pkgPath.indexOf(".");
}
sourcePath += File.separator + pkgPath;
// the ir file name is not always equal to the source egl file, as one egl file can
// relate to
// several ir files (depends on how many Parts in the egl file)
String srcName = ((ClassFileElementInfo) this.getElementInfo()).getEglFileName();
if (pkgPath.trim().length() > 0) sourcePath += File.separator;
sourcePath += srcName;
return new SourceMapper(
new Path(sourcePath), null, getEGLProject().getOptions(true));
} catch (EGLModelException e) {
e.printStackTrace();
}
}
}
}
}
}
// case 3:
return super.getSourceMapper();
}
