Dave Jarvis' Repositories
git clone https://repo.autonoma.ca/repo/rxm.git
In order traversal of stack.
| Author | Dave Jarvis <email> |
|---|---|
| Date | 2015-03-02 23:50:55 GMT-0800 |
| Commit | 5d43eec78e26ed1a136a0c0fc95d1f644b9f68de |
| Parent | 625e03f |
| Delta | 53 lines added, 3 lines removed, 50-line increase |
|---|
source/java/com/whitemagicsoftware/rxm/Parser.java
| import java.io.IOException; | ||
| +import java.util.List; | ||
| import java.util.Stack; | ||
 |
||
| /** Used to convert linear map to hierarchical form. */ | ||
| - private Stack stack = new Stack(); | ||
| + private Stack<String> stack = new Stack<String>(); | ||
| /** | ||
|
||
| @Override | ||
| public void enterElement( QueryParser.ElementContext context ) { | ||
| - System.out.println( "Element: " + context.getText() ); | ||
| + String popped = getStack().pop(); | ||
| + | ||
| + getStack().push( "XMLELEMENT( NAME element" ); | ||
| + getStack().push( ")" ); | ||
| + getStack().push( popped ); | ||
| + } | ||
| + | ||
| + @Override | ||
| + public synchronized void exitQuery( QueryParser.QueryContext context ) { | ||
| + // Traverse the stack in order. | ||
| + for( String s : getStack() ) { | ||
| + System.out.println( s ); | ||
| + } | ||
| } | ||
|
||
| } | ||
| - private Stack getStack() { | ||
| + private Stack<String> getStack() { | ||
| return this.stack; | ||
| } | ||
where.cf
| +entrypoints Where ; | ||
| + | ||
| +token ID (letter (letter | digit | '_')*) ; | ||
| + | ||
| +TTbl. Table ::= Identifier ; | ||
| +TCol. Column ::= "." Identifier ; | ||
| +TTblCol. TableColumn ::= Identifier Column ; | ||
| +TAttr. Attribute ::= "@" Identifier ; | ||
| +TParam. Parameter ::= "$" Identifier ; | ||
| + | ||
| +RXM. Where ::= [Statement] ; | ||
| + | ||
| +WCompEq. ComparatorOperatorEquality ::= "=" ; | ||
| +WCompNeq. ComparatorOperatorEquality ::= "<>" ; | ||
| + | ||
| +WCompLt. ComparatorOperator ::= "<" ; | ||
| +WCompGt. ComparatorOperator ::= ">" ; | ||
| +WCompLte. ComparatorOperator ::= "<=" ; | ||
| +WCompGte. ComparatorOperator ::= ">=" ; | ||
| + | ||
| +WAnd. LogicalOp ::= "&&" ; | ||
| +WOr. LogicalOp ::= "||" ; | ||
| + | ||
| +WEmpty. Where ::= Where ; | ||
| +WEq. Where ::= TableColumn ComparatorOperatorEquality AllValues ; | ||
| +WComp. Where ::= TableColumn ComparatorOperator Value ; | ||
| +WLogic. Where ::= Where LogicalOp Where ; | ||
| +WParen. Where ::= "(" Where ")" ; | ||
| + | ||
| +VValue. AllValues ::= Value ; | ||
| +VSet. AllValues ::= Set ; | ||
| + | ||
| +rules Value ::= Parameter | "null" | String | Double ; | ||
| + | ||
| +SBlock. Set ::= "{" SetValues "}" ; | ||
| +rules SetValues ::= Value | Value "," Value; | ||
| + | ||