/**
* Get the relative path between two virtual files
*
* @param parent the parent
* @param child the child
* @return the relative path
*/
static String getRelativePath(VirtualFile parent, VirtualFile child) {
if (child == null) {
throw new IllegalArgumentException("Null child");
}
String childPath = child.getPathName();
if (parent != null) {
String parentPath = parent.getPathName();
if (parentPath.length() == childPath.length()) {
return "";
}
// Not sure about this? It is obviously not a direct child if it is shorter?
if (parentPath.length() < childPath.length()) {
if (!parentPath.endsWith("/")) {
parentPath = parentPath + "/";
}
if (childPath.startsWith(parentPath)) {
return childPath.substring(parentPath.length());
}
}
}
if (childPath.endsWith("/")) {
childPath = childPath.substring(0, childPath.length() - 1);
}
return childPath;
}
