|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectorg.h2.bnf.Bnf
public class Bnf
This class can read a file that is similar to BNF (Backus-Naur form). It is made specially to support SQL grammar.
Method Summary | |
---|---|
static Bnf |
getInstance(java.io.Reader csv)
Create an instance using the grammar specified in the CSV file. |
java.util.HashMap<java.lang.String,java.lang.String> |
getNextTokenList(java.lang.String query)
Get the list of tokens that can follow. |
java.util.Random |
getRandom()
|
java.util.ArrayList<RuleHead> |
getStatements()
Get the list of possible statements. |
java.lang.String |
getSyntaxHtml(java.lang.String bnf)
Get the HTML documentation for a given syntax. |
void |
linkStatements()
Cross-link all statements with each other. |
void |
updateTopic(java.lang.String topic,
DbContextRule rule)
Update a topic with a context specific rule. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static Bnf getInstance(java.io.Reader csv) throws java.sql.SQLException, java.io.IOException
csv
- if not specified, the help.csv is used
java.sql.SQLException
java.io.IOException
public java.util.Random getRandom()
public java.lang.String getSyntaxHtml(java.lang.String bnf)
bnf
- the BNF syntax
public java.util.HashMap<java.lang.String,java.lang.String> getNextTokenList(java.lang.String query)
key: 1#SELECT, value: ELECT key: 1#SET, value: ET
query
- the start of the statement
public void linkStatements()
public void updateTopic(java.lang.String topic, DbContextRule rule)
topic
- the topicrule
- the database context rulepublic java.util.ArrayList<RuleHead> getStatements()
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |