public CmsqlExpressionVisitorContext Parse(
ContentType contentType,
ICmsqlQueryExpression expression)
{
CmsqlExpressionVisitorContext context = new CmsqlExpressionVisitorContext(contentType);
if (contentType == null)
{
return(context);
}
if (expression == null)
{
context.PushNewPropertyCriteriaCollection();
return(context);
}
CmsqlExpressionVisitor visitor =
new CmsqlExpressionVisitor(
new QueryConditionToPropertyCriteriaMapper(
new PropertyDataTypeResolver(contentType)), context);
expression.Accept(visitor);
return(context);
}
public void Test_can_parse_single_condition_as_expression()
{
CmsqlParser cmsqlParser = CmsqlParserFactory.CreateParserForQuery("where foo != 'bar'");
CmsqlParser.WhereClauseContext parseTree = cmsqlParser.whereClause();
WhereClauseVisitor visitor = new WhereClauseVisitor();
ICmsqlQueryExpression expression = visitor.VisitWhereClause(parseTree);
expression.Should().BeOfType <CmsqlQueryCondition>();
}
public void Test_can_parse_parenthesized_expression_containing_condition_expression()
{
CmsqlParser cmsqlParser = CmsqlParserFactory.CreateParserForQuery("(foo != 'bar')");
CmsqlParser.ParenthesizedExpressionContext parseTree =
(CmsqlParser.ParenthesizedExpressionContext)cmsqlParser.expression();
ExpressionVisitor visitor = new ExpressionVisitor();
ICmsqlQueryExpression expression = visitor.VisitParenthesizedExpression(parseTree);
expression.Should().BeOfType <CmsqlQueryCondition>();
expression.Should().NotBeNull();
}
public void Test_can_parse_condition_as_expression()
{
CmsqlParser cmsqlParser = CmsqlParserFactory.CreateParserForQuery("foo != 'bar'");
CmsqlParser.ConditionExpressionContext parseTree =
(CmsqlParser.ConditionExpressionContext)cmsqlParser.expression();
ExpressionVisitor visitor = new ExpressionVisitor();
ICmsqlQueryExpression expression = visitor.VisitConditionExpression(parseTree);
expression.Should().BeOfType <CmsqlQueryCondition>();
expression.Should().NotBeNull();
}
