/**
* Transfers names, macros and includes from another file to this one and deletes the other file.
*
* @param sourceFile the file to transfer the local bindings from.
* @throws CoreException
*/
public void replaceContentsFrom(PDOMFile sourceFile) throws CoreException {
// Delete current content
clear();
// Link in the using directives
setLastUsingDirective(sourceFile.getLastUsingDirectiveRec());
// Link in the includes, replace the owner.
PDOMInclude include = sourceFile.getFirstInclude();
setFirstInclude(include);
for (; include != null; include = include.getNextInIncludes()) {
include.setIncludedBy(this);
}
// In the unexpected case that there is an included by relation, append it.
transferIncluders(sourceFile);
// Link in the macros.
PDOMMacro macro = sourceFile.getFirstMacro();
setFirstMacro(macro);
for (; macro != null; macro = macro.getNextMacro()) {
macro.setFile(this);
}
// Link in macro references
PDOMMacroReferenceName mref = sourceFile.getFirstMacroReference();
setFirstMacroReference(mref);
for (; mref != null; mref = mref.getNextInFile()) {
mref.setFile(this);
}
// Replace all the names in this file
PDOMName name = sourceFile.getFirstName();
setFirstName(name);
for (; name != null; name = name.getNextInFile()) {
name.setFile(this);
}
setTimestamp(sourceFile.getTimestamp());
setSourceReadTime(sourceFile.getSourceReadTime());
setSizeAndEncodingHashcode(sourceFile.getSizeAndEncodingHashcode());
setContentsHash(sourceFile.getContentsHash());
// Transfer the flags.
Database db = fLinkage.getDB();
db.putByte(record + FLAGS, db.getByte(sourceFile.record + FLAGS));
// Transfer the replacement header.
db.putRecPtr(record + REPLACEMENT_HEADER, db.getRecPtr(sourceFile.record + REPLACEMENT_HEADER));
db.putRecPtr(sourceFile.record + REPLACEMENT_HEADER, 0);
// Delete the source file
sourceFile.delete();
}
@Override
public void clearUncommittedFile() throws CoreException {
if (uncommittedFile != null) {
try {
uncommittedFile.clear();
uncommittedFile.delete();
} finally {
uncommittedFile = null;
uncommittedKey = null;
fileBeingUpdated = null;
}
}
}
@Override
public void clearFile(IIndexFragmentFile file) throws CoreException {
assert file.getIndexFragment() == this;
IIndexFileLocation location = file.getLocation();
PDOMFile pdomFile = (PDOMFile) file;
pdomFile.clear();
IIndexInclude include = pdomFile.getParsedInContext();
if (include != null) {
PDOMFile includedBy = (PDOMFile) include.getIncludedBy();
if (includedBy.getTimestamp() > 0)
getIndexOfFilesWithUnresolvedIncludes().insert(includedBy.getRecord());
}
fEvent.fClearedFiles.add(location);
}
/**
* Uses the specified location converter to update each internal representation of a file
* location. The file index is rebuilt with the new representations. Individual PDOMFile records
* are unmoved so as to maintain referential integrity with other PDOM records.
*
* <p><b>A write-lock must be obtained before calling this method</b>
*
* @param newConverter the converter to use to update internal file representations
* @throws CoreException
*/
public void rewriteLocations(final IIndexLocationConverter newConverter) throws CoreException {
final List<PDOMFile> pdomfiles = new ArrayList<PDOMFile>();
getFileIndex()
.accept(
new IBTreeVisitor() {
@Override
public int compare(long record) throws CoreException {
return 0;
}
@Override
public boolean visit(long record) throws CoreException {
PDOMFile file = PDOMFile.recreateFile(WritablePDOM.this, record);
pdomfiles.add(file);
return true;
}
});
clearFileIndex();
final List<PDOMFile> notConverted = new ArrayList<PDOMFile>();
for (PDOMFile file : pdomfiles) {
String internalFormat = newConverter.toInternalFormat(file.getLocation());
if (internalFormat != null) {
file.setInternalLocation(internalFormat);
getFileIndex().insert(file.getRecord());
} else {
notConverted.add(file);
}
}
// remove content where converter returns null
for (PDOMFile file : notConverted) {
file.convertIncludersToUnresolved();
file.clear();
}
}