/**
* Replaces <CODE>ParentTag.getTag(OldTagName, OccurrenceNumber)</CODE> with this tag. If not
* enough tags are found, then this tag is just added to ParentTag.
*
* @param ParentTag The parent tag to search from.
* @param OldTagName The path to the tag to be replaced.
* @param OccurrenceNumber The occurrence number of the path in OldTagName to be replaced.
* @return The tag that has been replaced if one existed, else null.
*/
public XMLTag replace(XMLTag _ParentTag, String OldTagName, int OccurrenceNumber) {
XMLTag OldTag = _ParentTag.getTag(OldTagName, OccurrenceNumber);
if (OldTag != null) {
// OldTag.removeTagFromParent().addTag(this);
_ParentTag.exchangeChild(OldTag, this);
} else {
_ParentTag.addTag(this);
}
return OldTag;
}
/**
* Returns the first tag corresponding to TagPath.
*
* @param TagPath The path to the desired tag.
* @return The first tag corresponding to TagPath if one exists, else null.
*/
public XMLTag getTag(String TagPath) {
if (TagPath.startsWith("/")) {
return getRootTag().getTag(TagPath.substring(1));
}
if (TagPath.trim().equals("")) {
return this;
}
String[] TempStrings = TagPath.split("/", 2);
if (TempStrings.length == 1) {
if (TagPath.equals(".") || (this instanceof XMLFile && TagPath.equals(TagName))) {
return this;
}
if (TagPath.equals("..")) {
return ParentTag;
}
XMLTag[] Result = new XMLTag[0];
Result = (XMLTag[]) ChildTags.toArray(new XMLTag[0]);
int CurrentIndex = 0;
while (CurrentIndex < Result.length && !Result[CurrentIndex].getName().equals(TagPath)) {
CurrentIndex++;
}
if (CurrentIndex < Result.length) {
return Result[CurrentIndex];
} else {
return null;
}
} else {
XMLTag Result;
if (TempStrings[0].equals("*")) {
XMLTag[] TempTags = (XMLTag[]) ChildTags.toArray(new XMLTag[0]);
for (int i = 0; i < TempTags.length; i++) {
Result = TempTags[i].getTag(TempStrings[1]);
if (Result != null) {
return Result;
}
}
return null;
} else {
Result = getTag(TempStrings[0]);
if (Result != null) {
return Result.getTag(TempStrings[1]);
} else {
return null;
}
}
}
}