pjs/extensions/transformiix/source/xpath/Parser.cpp

193 строки
5.6 KiB
C++

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is TransforMiiX XSLT processor.
*
* The Initial Developer of the Original Code is The MITRE Corporation.
* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
*
* Portions created by Keith Visco as a Non MITRE employee,
* (C) 1999 Keith Visco. All Rights Reserved.
*
* Contributor(s):
* Keith Visco, kvisco@ziplink.net
* -- original author.
*
* $Id: Parser.cpp,v 1.5 2001-01-22 09:36:19 kvisco%ziplink.net Exp $
*/
/**
* Test App for Expressions
* @version $Revision: 1.5 $ $Date: 2001-01-22 09:36:19 $
**/
#include <iostream.h>
#include "TxString.h"
#include "Expr.h"
#include "ExprLexer.h"
#include "ExprParser.h"
#include "NamedMap.h"
#include "ExprResult.h"
void main(int argc, char** argv) {
cout <<endl;
//-- old test cases, commented for re-use
//String pattern("element[position()=1]");
//String pattern("*[text()='foo']");
//String pattern("@*|node()");
//String pattern("FSContext/UserList/User[@id=/FSContext/SessionData/@userref]/@priv = 'admin'");
//String pattern("10/3");
//String pattern("*[1]foo|*[1]/bar|*[1]/baz");
//-- Current Test
String pattern("*[test()='foo']");
cout <<"Lexically Analyzing: "<<pattern<<endl;
cout<<endl;
ExprLexer lexer(pattern);
Token* token = 0;
int tokenCount = lexer.countAllTokens();
for (int i = 0; i < tokenCount; i++) {
token = lexer.nextToken();
cout <<"Token: ";
if (token) {
cout << token->value;
//-- do padding
for ( int i = token->value.length(); i < 20; i++) cout<<" ";
//-- print token type
switch (token->type) {
case Token::AT_SIGN:
cout << "#AT_SIGN";
break;
case Token::PARENT_OP :
cout<<"#PARENT_OP";
break;
case Token::ANCESTOR_OP :
cout<<"#ANCESTOR_OP";
break;
case Token::L_PAREN :
cout<<"#L_PAREN";
break;
case Token::R_PAREN :
cout<<"#R_PAREN";
break;
case Token::L_BRACKET:
cout<<"#L_BRACKET";
break;
case Token::R_BRACKET:
cout<<"#R_BRACKET";
break;
case Token::COMMA:
cout<<"#COMMA";
break;
case Token::LITERAL:
cout<<"#LITERAL";
break;
case Token::CNAME:
cout<<"#CNAME";
break;
case Token::COMMENT:
cout<<"#COMMENT";
break;
case Token::NODE:
cout<<"#NODE";
break;
case Token::PI:
cout<<"#PI";
break;
case Token::TEXT:
cout<<"#TEXT";
break;
case Token::FUNCTION_NAME:
cout<<"#FUNCTION_NAME";
break;
case Token::NUMBER:
cout << "#NUMBER";
break;
case Token::PARENT_NODE :
cout << "#PARENT_NODE";
break;
case Token::SELF_NODE :
cout << "#SELF_NODE";
break;
case Token::VAR_REFERENCE:
cout << "#VAR_REFERENCE";
case Token::AXIS_IDENTIFIER:
cout << "#AXIS_IDENTIFIER";
break;
default:
if ( lexer.isOperatorToken(token) ) {
cout << "#operator";
}
else cout<<"#unknown";
break;
}
}
else cout<<"NULL";
cout<<endl;
}
cout <<endl;
cout <<"Creating Expr: "<<pattern<<endl;
cout<<endl;
ExprParser parser;
//Expr* expr = (Expr*)parser.createExpr(pattern);
Expr* expr = (Expr*)parser.createPatternExpr(pattern);
cout << "Checking result"<<endl;
String resultString;
if ( !expr ) {
cout << "#error, "<<pattern<< " is not valid."<<endl;
}
else {
expr->toString(resultString);
cout << "result: "<<resultString <<endl;
}
cout << endl << "----------------------" << endl << endl;
NumberExpr numberExpr( -24.0 );
resultString.clear();
numberExpr.toString(resultString);
cout << "NumberExpr: " << resultString << endl << endl;
StringResult strResult("-24");
cout << "StringResult: " << strResult.numberValue() << endl;
//-- AttributeValueTemplate test
cout << endl << "----------------------" << endl << endl;
String avt("this is a {text()} of {{{{attr value templates}}}}");
expr = parser.createAttributeValueTemplate(avt);
resultString.clear();
expr->toString(resultString);
cout << "result of avt: "<<resultString <<endl;
//-- clean up
delete expr;
} //-- main