org.htmlunit.xpath.xml.dtm.Axis Maven / Gradle / Ivy
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package org.htmlunit.xpath.xml.dtm;
/**
* Specifies values related to XPath Axes.
*
* The ancestor, descendant, following, preceding and self axes partition a document (ignoring
* attribute and namespace nodes): they do not overlap and together they contain all the nodes in
* the document.
*/
public final class Axis {
/**
* The ancestor axis contains the ancestors of the context node; the ancestors of the context node
* consist of the parent of context node and the parent's parent and so on; thus, the ancestor
* axis will always include the root node, unless the context node is the root node.
*/
public static final int ANCESTOR = 0;
/**
* the ancestor-or-self axis contains the context node and the ancestors of the context node;
* thus, the ancestor axis will always include the root node.
*/
public static final int ANCESTORORSELF = 1;
/**
* the attribute axis contains the attributes of the context node; the axis will be empty unless
* the context node is an element.
*/
public static final int ATTRIBUTE = 2;
/** The child axis contains the children of the context node. */
public static final int CHILD = 3;
/**
* The descendant axis contains the descendants of the context node; a descendant is a child or a
* child of a child and so on; thus the descendant axis never contains attribute or namespace
* nodes.
*/
public static final int DESCENDANT = 4;
/**
* The descendant-or-self axis contains the context node and the descendants of the context node.
*/
public static final int DESCENDANTORSELF = 5;
/**
* the following axis contains all nodes in the same document as the context node that are after
* the context node in document order, excluding any descendants and excluding attribute nodes and
* namespace nodes.
*/
public static final int FOLLOWING = 6;
/**
* The following-sibling axis contains all the following siblings of the context node; if the
* context node is an attribute node or namespace node, the following-sibling axis is empty.
*/
public static final int FOLLOWINGSIBLING = 7;
/**
* The namespace axis contains the namespace nodes of the context node; the axis will be empty
* unless the context node is an element.
*/
public static final int NAMESPACEDECLS = 8;
/**
* The namespace axis contains the namespace nodes of the context node; the axis will be empty
* unless the context node is an element.
*/
public static final int NAMESPACE = 9;
/** The parent axis contains the parent of the context node, if there is one. */
public static final int PARENT = 10;
/**
* The preceding axis contains all nodes in the same document as the context node that are before
* the context node in document order, excluding any ancestors and excluding attribute nodes and
* namespace nodes
*/
public static final int PRECEDING = 11;
/**
* The preceding-sibling axis contains all the preceding siblings of the context node; if the
* context node is an attribute node or namespace node, the preceding-sibling axis is empty.
*/
public static final int PRECEDINGSIBLING = 12;
/** The self axis contains just the context node itself. */
public static final int SELF = 13;
/**
* A non-xpath axis, traversing the subtree including the subtree root, descendants, attributes,
* and namespace node decls.
*/
public static final int ALLFROMNODE = 14;
/**
* A non-xpath axis, traversing the the preceding and the ancestor nodes, needed for inverseing
* select patterns to match patterns.
*/
public static final int PRECEDINGANDANCESTOR = 15;
// ===========================================
// All axis past this are absolute.
/** A non-xpath axis, returns all nodes in the tree from and including the root. */
public static final int ALL = 16;
/**
* A non-xpath axis, returns all nodes that aren't namespaces or attributes, from and including
* the root.
*/
public static final int DESCENDANTSFROMROOT = 17;
/**
* A non-xpath axis, returns all nodes that aren't namespaces or attributes, from and including
* the root.
*/
public static final int DESCENDANTSORSELFFROMROOT = 18;
/** A non-xpath axis, returns root only. */
public static final int ROOT = 19;
/** A non-xpath axis, for functions. */
public static final int FILTEREDLIST = 20;
/** The names of the axes for diagnostic purposes. */
private static final String[] names = {
"ancestor", // 0
"ancestor-or-self", // 1
"attribute", // 2
"child", // 3
"descendant", // 4
"descendant-or-self", // 5
"following", // 6
"following-sibling", // 7
"namespace-decls", // 8
"namespace", // 9
"parent", // 10
"preceding", // 11
"preceding-sibling", // 12
"self", // 13
"all-from-node", // 14
"preceding-and-ancestor", // 15
"all", // 16
"descendants-from-root", // 17
"descendants-or-self-from-root", // 18
"root", // 19
"filtered-list" // 20
};
public static String getNames(final int index) {
return names[index];
}
public static int getNamesLength() {
return names.length;
}
}