Compares 2 nodes to determine whether they should match. TODO: Check if more comparisons are needed TODO: Consider moving out to a separate class, im

Compares two text nodes to determine if they should be matched. Takes into account whitespace options. @param a First node @param b

Copies a node from one Document to another, including attributes but no children. Required as importNode does not handle namespaces well for element

Adds a delete operation to the EditScript for the given Node. @param n The Node that is to be deleted

Performs the deletePhase of the algorithm. @param n the current node @param matchings the set of matching nodes

Apply delete operation. @param doc document to be patched @param op node holding details of delete @throws PatchFormatException if there is an error

Inserts (the import of) node x as child of z according to the algorithm and updates the Edit Script. @param x current node @param z

Apply insert operation to document. @param doc the document to be patched @param op the insert operation node @throws PatchFormatException if there

Performs a move operation according to the algorithm and updates the EditScript. @param w the node to be moved @param x the matchin

Apply move operation. @param doc document to be patched @param op node holding details of move @throws PatchFormatException if there is an error par

Updates a Node to the value of another node. @param w The Node to be updated @param x The Node to make it like @return The new Node

Perform update operation. @param doc The document being patched @param op The update operation node @throws PatchFormatException If the operation is

Helper method just checks if String are equal or both null or empty. @param a String to compare to b @param b String to compare to a @return True if

Get the DOM Child Number equivalent of the XPath childnumber. @param siblings the NodeList we are interested in @param xpathcn the XPath child numbe

Gets the rightmost left sibling of n marked "inorder". @param n Node to find "in order" left sibling of @return Either the "in order" left sibling o

Get value of new_charpos attribute. Defaults to 1. @param opAttrs attributes of operation node @return the value of new_charpos

Get value of nodetype attribute. @param attrs attributes of operation node @return the value of nodetype @throws PatchFormatException If the nodetype

Get value of old_charpos attribute. Defaults to 1. @param opAttrs attributes of operation node @return the value of new_charpos

Gets the number of parent and child context nodes used. @return Number of parent and child context nodes.

Gets the number of parent and child sibling context nodes used. @return Number of parent and child sibling context nodes.

Gets the number of sibling context nodes used. @return Number of sibling context nodes.

Returns the length of text of the node plus all following text nodes (TEXT_NODE or CDATA_SECTION_NODE). @param node The node to start at @return The

Inserts a node at the given character position. @param charpos the character position to insert at @param siblings the NodeList to insert the node i

Determines if the given node should be ignored. Examines the node's type against settings. @return True if the node is banned, false otherwise @para

If brief mode is on, only reports if files differ, does not output differences. @return True if brief output is on

Gets whether extra context nodes are added to the output. @return True if context nodes are output.

Gets whether any differences in whitespace should be considered. @return True if whitespace is to be ignored

Gets whether differences in case should be considered. @return True if case differences are ignored

Gets whether differences in comments should be considered. @return True if differences in comments are ignored

Gets whether differences in leading whitespace should be considered. @return True if leading whitespace is to be ignored

Gets whether differences in processing instructions should be considered. @return True if differences in processing instructions are ignored

Gets whether nodes with only whitespace should be considered. @return True if whitespace only nodes are to be ignored

Gets whether extra output is generated to allow reversing of patches. @return True if extra output for reverse patches is generated

Prepares an empty Edit Script document. Makes document element, appends any necessary attributes and context information. @return a properly formatt

Moves nodes that are not in order to correct position. @param w Node with potentially misaligned children @param wSeq Sequence of children of w that

Outputs information on the matches for debug purposes. @param matchSet The set of matching Nodes. @param doc The first document being differenced

Output the patched document to stdout. @param doc the patched document

Writes given XML document to given stream. Uses UTF8 encoding, indentation, preserves spaces. Adds XML declaration with standalone set to "yes". @pa

Checks and interprets the command line arguments. Code is based on Sun standard code for handling arguments. @param args An array of the command

Parse command line arguments. Sets up file variables and options. @param args array of command line arguments

Output usage and exit.

Compares the two given files, applies the patch and checks they are the same afterwards. @param fA first file to compare @param fB second file to com

Output extra debug info. @param debug Sets debug output

Mark the node as being "matched". @param n the node to mark as "matched"

Marks the Nodes in the given list and their partners "inorder". @param seq the Nodes to mark "inorder" @param matchings the set of matching Nodes

Adds an update operation to the EditScript. @param w The node to be updated @param x The node it should be equal to

Adds an update operation to the delta. @param w The node to update @param x The node to update it to

Updates the attributes of element w to be the same as x's. Ignores xmlns attributes - these are assumed to be part of the document structure rather t

Default constructor. @param n Node to find the child numbers of

Private constructor.

Private constructor - shouldn't be instantiated.

Creates a new, blank EditScript. @throws DeltaInitialisationException If the EditScript can't be initialised.

Constructor. @param e Chained exception

Constructor. @param e Chained exception

Private constructor - shouldn't be called.

Private constructor - shouldn't be called.

Constructor. @param e Chained exception

Constructor for EditScript. Used to create a list of modifications that will turn doc1 into doc2, given a set of matching nodes. @param doc1 the

Finds the child number to insert a node as. (Equivalent to the current child number of the node to insert before) @param x the node with no

Private constructor.

Create a NodeDepth for the given node. @param node The node to find the depth of

Default constructor.

Disallow instantiation.

Do not allow instantiation.

Constructor. @param e Chained exception

Constructor. @param e Chained exception

Shouldn't be instantiated.

Private constructor.

Tests whether the given file is a file and ends in "A.xml". @param f The file to be tested @return True if the file meets the criteria

Compares two NodeDepth objects. Stores in reverse order of depth. NOT consistent with equals; we only care about depth and it is expensive to compar

Get the XML Document for the EditScript. @return The EditScript as an XML document.

Get the parent node pointed to by the parent attribute. @param doc document being patched @param attrs attributes of operation node @return the par

Hashcode from underlying node. @return hashcode

Gets whether the DUL output format is used. @return True if the DUL output format is used.

Gets whether the FMES algorithm is used. @return True if the FMES algorithm is used.

Gets whether tagnames should be output instead of node numbers in xpaths. @return True if differences in processing instructions are ignored

Main method. Takes command line arguments, parses them and performs diff. @param args Command line arguments. See printUsageAndExit() for details.

Attempt to patch given document with given patch file. TODO: Refactor @param args command line arguments

Adds a Move operation to the EditScript. @param n The node being moved @param parent XPath to the new parent Node @param childno Child number of the

Run all the tests in the suite directory.

If set, adds extra context nodes to output. @param context If true, context nodes are output.

Sets whether any differences in whitespace should be considered. @param ignore If true, whitespace is ignored

Sets whether differences in case should be considered. @param ignore If true, case differences are ignored

Sets whether differences in comments should be considered. @param ignore If true, differences in comments are ignored

Sets whether differences in leading whitespace should be considered. @param ignore If true, leading whitespace is ignored

Sets whether differences in processing instructions should be considered. @param ignore If true, differences in processing instructions are

Sets whether nodes with only whitespace should be considered. @param ignore If true, whitespace only nodes are ignored

Sets the number of parent and child context nodes used. This number of both parent and child nodes will be output. @param context Number of parent co

Sets the number of parent and child sibling context nodes used. This number of nodes will be output to both sides of parent and child nodes. @param c

Sets whether external entities should be resolved. @param resolve If true, external entities are resolved.

If set, adds information needed to reverse patches. @param reverse If true, extra output is generated to allow reversing of patches

Sets the number of sibling context nodes used. These are output to each side of the node. @param context Number of sibling context nodes.

Prepares commonly used test elements etc. @throws Exception

Set up the DUL EditScript.

Set up documents before test.

Set up the test docs.

Initialises the test doc.

Sets whether tagnames should be output instead of node numbers in xpaths. @param useTagnames If true, tagnames are output in xpaths

Test that children of a node are added in the correct order.

Test getting XPath with spaced text nodes.