/** @see IClassFile */ public IJavaElement getElementAt(int position) throws JavaModelException { IJavaElement parentElement = getParent(); while (parentElement.getElementType() != IJavaElement.PACKAGE_FRAGMENT_ROOT) { parentElement = parentElement.getParent(); } PackageFragmentRoot root = (PackageFragmentRoot) parentElement; SourceMapper mapper = root.getSourceMapper(); if (mapper == null) { return null; } else { // ensure this class file's buffer is open so that source ranges are computed getBuffer(); IType type = getType(); return findElement(type, position, mapper); } }
public IJavaElement getElementAtConsideringSibling(int position) throws JavaModelException { IPackageFragment fragment = (IPackageFragment) getParent(); PackageFragmentRoot root = (PackageFragmentRoot) fragment.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT); SourceMapper mapper = root.getSourceMapper(); if (mapper == null) { return null; } else { int index = this.name.indexOf('$'); int prefixLength = index < 0 ? this.name.length() : index; IType type = null; int start = -1; int end = Integer.MAX_VALUE; IJavaElement[] children = fragment.getChildren(); for (int i = 0; i < children.length; i++) { String childName = children[i].getElementName(); int childIndex = childName.indexOf('$'); int childPrefixLength = childIndex < 0 ? childName.indexOf('.') : childIndex; if (prefixLength == childPrefixLength && this.name.regionMatches(0, childName, 0, prefixLength)) { IClassFile classFile = (IClassFile) children[i]; // ensure this class file's buffer is open so that source ranges are computed classFile.getBuffer(); SourceRange range = mapper.getSourceRange(classFile.getType()); if (range == SourceMapper.UNKNOWN_RANGE) continue; int newStart = range.getOffset(); int newEnd = newStart + range.getLength() - 1; if (newStart > start && newEnd < end && newStart <= position && newEnd >= position) { type = classFile.getType(); start = newStart; end = newEnd; } } } if (type != null) { return findElement(type, position, mapper); } return null; } }