com.alexmerz.graphviz
Class Parser

java.lang.Object
  com.alexmerz.graphviz.Parser

All Implemented Interfaces:

ParserConstants

public class Parser
extends java.lang.Object
implements ParserConstants

The parser creates a list of Graph objects found in a Reader object.

Version:

$Id: graphviz.jj,v 1.5 2006/03/20 21:32:19 Alexander Exp $

Field Summary

Token	jj_nt
boolean	lookingAhead
Token	token
ParserTokenManager	token_source

Fields inherited from interface com.alexmerz.graphviz.ParserConstants

COMMA, DEFAULT, DIGRAPH, DOUBLE, EDGE, EDGE_DIRECTED, EDGE_UNDIRECTED, EOF, EQUAL, GRAPH, ID, IN_COMMENT, IN_COMMENT_OL, LB, LBRACE, LBRACKET, NODE, NUMBER, RBRACE, RBRACKET, SEMI, SPACE, STRICT, STRING, SUBGRAPH, tokenImage

Constructor Summary

Parser()

Parser(java.io.InputStream stream)

Parser(java.io.InputStream stream, java.lang.String encoding)

Parser(ParserTokenManager tm)

Parser(java.io.Reader stream)

Method Summary

java.lang.String	attrib_value() Production for the value of an attribute assignment
java.util.Hashtable<java.lang.String,java.lang.String>	attribute_list() Production for an attribute list
java.lang.String[]	attribute() Production for an attribute in an attribute list
void	disable_tracing()
void	edge_op() Production for the edge operator
void	edge() Production for an edge The source is a single node, a list of nodes (matrix) or a subgraph.
void	enable_tracing()
ParseException	generateParseException()
void	generic_attributes() Production for generic graph/edge/node attributes edge [color=blue]
java.util.ArrayList<Graph>	getGraphs() Returns the main Graphs found in the Reader stream
Token	getNextToken()
Token	getToken(int index)
void	graph_attrib_assign() Production for graph layout attributes (label="test")
void	graph(java.util.ArrayList<Graph> gglist) Production for a single graph
void	graphs(java.util.ArrayList<Graph> gglist) Production for all graph definitions in the stream
Id	id() Production for single id element
void	lb() Production for the statement ending yes lb is misleading..
java.util.ArrayList<Node>	matrix() Production for a list of nodes
void	node_listing() Production for listing of nodes (node1 node2 [color=grey];)
PortNode	node_port() Production for Node having port information (node:"e")
Node	node() Production for a single node
boolean	parse(java.io.Reader in) Parses a Graphviz document
boolean	parse(java.lang.StringBuffer sb) Parses a Graphviz document
void	reallist() Production for more then one statement in a graph
void	ReInit(java.io.InputStream stream)
void	ReInit(java.io.InputStream stream, java.lang.String encoding)
void	ReInit(ParserTokenManager tm)
void	ReInit(java.io.Reader stream)
void	sg_stmt_list() Production for the statements in a subgraph
void	single_node() Production for a single node on a line
void	stmt_list() Production for the statements in the graph
void	stmt() Production for the different types of statements
Node	subgraph() Production for a subgraph
java.lang.String	value() Production for a value

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

token_source

public ParserTokenManager token_source

token

public Token token

jj_nt

public Token jj_nt

lookingAhead

public boolean lookingAhead

Constructor Detail

Parser

public Parser()

Parser

public Parser(java.io.InputStream stream)

Parser

public Parser(java.io.InputStream stream,
              java.lang.String encoding)

Parser

public Parser(java.io.Reader stream)

Parser

public Parser(ParserTokenManager tm)

Method Detail

getGraphs

public java.util.ArrayList<Graph> getGraphs()

Returns the main Graphs found in the Reader stream

Returns:

the list of main Graphs

parse

public boolean parse(java.io.Reader in)
              throws ParseException

Parses a Graphviz document

Parameters:

in - the Reader to parse

Returns:

normally true should be returned, if false then something in the JDK is broken...

Throws:

ParseException

parse

public boolean parse(java.lang.StringBuffer sb)
              throws ParseException

Parses a Graphviz document

Parameters:

sb - the StringBuffer containing the document

Returns:

normally true should be returned, if false then something in the JDK is broken...

Throws:

ParseException

graphs

public final void graphs(java.util.ArrayList<Graph> gglist)
                  throws ParseException

Production for all graph definitions in the stream

Throws:

ParseException

graph

public final void graph(java.util.ArrayList<Graph> gglist)
                 throws ParseException

Production for a single graph

Throws:

ParseException

stmt_list

public final void stmt_list()
                     throws ParseException

Production for the statements in the graph

Throws:

ParseException

reallist

public final void reallist()
                    throws ParseException

Production for more then one statement in a graph

Throws:

ParseException

stmt

public final void stmt()
                throws ParseException

Production for the different types of statements

Throws:

ParseException

lb

public final void lb()
              throws ParseException

Production for the statement ending yes lb is misleading..

Throws:

ParseException

edge

public final void edge()
                throws ParseException

Production for an edge The source is a single node, a list of nodes (matrix) or a subgraph. The target is a single node, a list of nodes (matrix) or a subgraph.

Throws:

ParseException

edge_op

public final void edge_op()
                   throws ParseException

Production for the edge operator

Throws:

ParseException

matrix

public final java.util.ArrayList<Node> matrix()
                                       throws ParseException

Production for a list of nodes

Throws:

ParseException

generic_attributes

public final void generic_attributes()
                              throws ParseException

Production for generic graph/edge/node attributes edge [color=blue]

Throws:

ParseException

subgraph

public final Node subgraph()
                    throws ParseException

Production for a subgraph

Throws:

ParseException

sg_stmt_list

public final void sg_stmt_list()
                        throws ParseException

Production for the statements in a subgraph

Throws:

ParseException

graph_attrib_assign

public final void graph_attrib_assign()
                               throws ParseException

Production for graph layout attributes (label="test")

Throws:

ParseException

node_port

public final PortNode node_port()
                         throws ParseException

Production for Node having port information (node:"e")

Throws:

ParseException

node_listing

public final void node_listing()
                        throws ParseException

Production for listing of nodes (node1 node2 [color=grey];)

Throws:

ParseException

single_node

public final void single_node()
                       throws ParseException

Production for a single node on a line

Throws:

ParseException

attribute_list

public final java.util.Hashtable<java.lang.String,java.lang.String> attribute_list()
                                                                            throws ParseException

Production for an attribute list

Throws:

ParseException

attribute

public final java.lang.String[] attribute()
                                   throws ParseException

Production for an attribute in an attribute list

Throws:

ParseException

attrib_value

public final java.lang.String attrib_value()
                                    throws ParseException

Production for the value of an attribute assignment

Throws:

ParseException

node

public final Node node()
                throws ParseException

Production for a single node

Throws:

ParseException

id

public final Id id()
            throws ParseException

Production for single id element

Throws:

ParseException

value

public final java.lang.String value()
                             throws ParseException

Production for a value

Throws:

ParseException

ReInit

public void ReInit(java.io.InputStream stream)

ReInit

public void ReInit(java.io.InputStream stream,
                   java.lang.String encoding)

ReInit

public void ReInit(java.io.Reader stream)

ReInit

public void ReInit(ParserTokenManager tm)

getNextToken

public final Token getNextToken()

getToken

public final Token getToken(int index)

generateParseException

public ParseException generateParseException()

enable_tracing

public final void enable_tracing()

disable_tracing

public final void disable_tracing()