org.h2.build.doc
Class BnfRailroad

java.lang.Object
  org.h2.build.doc.BnfRailroad

All Implemented Interfaces:

BnfVisitor

public class BnfRailroad
extends java.lang.Object
implements BnfVisitor

A BNF visitor that generates HTML railroad diagrams.

Constructor Summary

BnfRailroad()

Method Summary

java.lang.String	getHtml(Bnf bnf, java.lang.String syntaxLines) Generate the HTML for the given syntax.
void	visitRuleElement(boolean keyword, java.lang.String name, Rule link) Visit a rule element.
void	visitRuleFixed(int type) Visit a fixed rule.
void	visitRuleList(boolean or, java.util.ArrayList<Rule> list) Visit a rule list.
void	visitRuleOptional(Rule rule) Visit an optional rule.
void	visitRuleRepeat(boolean comma, Rule rule) Visit a repeat rule.

Methods inherited from class java.lang.Object

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

Constructor Detail

BnfRailroad

public BnfRailroad()

Method Detail

getHtml

public java.lang.String getHtml(Bnf bnf,
                                java.lang.String syntaxLines)

Generate the HTML for the given syntax.

Parameters:

bnf - the BNF parser

syntaxLines - the syntax

Returns:

the HTML

visitRuleElement

public void visitRuleElement(boolean keyword,
                             java.lang.String name,
                             Rule link)

Description copied from interface: BnfVisitor

Visit a rule element.

Specified by:

visitRuleElement in interface BnfVisitor

Parameters:

keyword - whether this is a keyword

name - the element name

link - the linked rule if it's not a keyword

visitRuleRepeat

public void visitRuleRepeat(boolean comma,
                            Rule rule)

Description copied from interface: BnfVisitor

Visit a repeat rule.

Specified by:

visitRuleRepeat in interface BnfVisitor

Parameters:

comma - whether the comma is repeated as well

rule - the element to repeat

visitRuleFixed

public void visitRuleFixed(int type)

Description copied from interface: BnfVisitor

Visit a fixed rule.

Specified by:

visitRuleFixed in interface BnfVisitor

Parameters:

type - the type

visitRuleList

public void visitRuleList(boolean or,
                          java.util.ArrayList<Rule> list)

Description copied from interface: BnfVisitor

Visit a rule list.

Specified by:

visitRuleList in interface BnfVisitor

Parameters:

or - true for OR, false for AND

list - the rules

visitRuleOptional

public void visitRuleOptional(Rule rule)

Description copied from interface: BnfVisitor

Visit an optional rule.

Specified by:

visitRuleOptional in interface BnfVisitor

Parameters:

rule - the rule