private void TestParseSelect(string input)
{
var parser = new ODataExpressionLanguageParser(typeof(A), input);
var parsed = parser.ParseSelectColumnList();
parsed.ToDelimitedString().ShouldEqual(input);
var dynamicParser = new ODataExpressionLanguageParser(typeof(ODataEntity), input);
var dynamicParsed = dynamicParser.ParseSelectColumnList();
dynamicParsed.ToDelimitedString().ShouldEqual(input);
}
public void TestParseSortKeys(string input, string expected = null)
{
var parser = new ODataExpressionLanguageParser(typeof(A), input);
var parsed = parser.ParseSortKeyList();
parsed.ToDelimitedString().ShouldEqual(expected ?? input);
var dynamicParser = new ODataExpressionLanguageParser(typeof(ODataEntity), input);
var dynamicParsed = dynamicParser.ParseSortKeyList();
dynamicParsed.ToDelimitedString().ShouldEqual(expected ?? input);
}
private void TestParseExpressionLanguage(string input, Type type = null)
{
var parser = new ODataExpressionLanguageParser(type ?? typeof(A), input);
var parsed = parser.Parse();
parsed.ToString().ShouldEqual(input);
var dynamicParser = new ODataExpressionLanguageParser(typeof(ODataEntity), input);
var dynamicParsed = dynamicParser.Parse();
parsed.ToString().ShouldEqual(input, "dynamic parse");
}
private void TestParseSelect(string input)
{
var parser = new ODataExpressionLanguageParser(typeof(A), input);
var parsed = parser.ParseSelectColumnList();
parsed.ToDelimitedString().ShouldEqual(input);
}
private void TestParseExpressionLanguage(string input)
{
var parser = new ODataExpressionLanguageParser(typeof(A), input);
var parsed = parser.Parse();
parsed.ToString().ShouldEqual(input);
}
public void TestParseSortKeys(string input, string expected = null)
{
var parser = new ODataExpressionLanguageParser(typeof(A), input);
var parsed = parser.ParseSortKeyList();
parsed.ToDelimitedString().ShouldEqual(expected ?? input);
}
public static ODataQueryExpression Parse(Type elementType, NameValueCollection parameters)
{
Throw.IfNull(elementType, "elementType");
Throw.IfNull(parameters, "parameters");
ODataExpression filter = null;
var filterString = parameters["$filter"];
if (filterString != null)
{
var parser = new ODataExpressionLanguageParser(elementType, filterString);
filter = parser.Parse();
}
IReadOnlyList<ODataSortKeyExpression> orderBy = Empty<ODataSortKeyExpression>.Array;
var orderByString = parameters["$orderby"];
if (orderByString != null)
{
var parser = new ODataExpressionLanguageParser(elementType, orderByString);
orderBy = parser.ParseSortKeyList();
}
int? top = null;
var topString = parameters["$top"];
if (topString != null)
{
int topValue;
if (!int.TryParse(topString, out topValue))
{
throw new ODataParseException("Expected an integer value for $top: " + topString);
}
top = topValue;
}
var skip = 0;
var skipString = parameters["$skip"];
if (skipString != null)
{
if (!int.TryParse(skipString, out skip))
{
throw new ODataParseException("Expected an integer value for $skip: " + skipString);
}
}
IReadOnlyList<ODataSelectColumnExpression> select = Empty<ODataSelectColumnExpression>.Array;
var selectString = parameters["$select"];
if (selectString != null)
{
var parser = new ODataExpressionLanguageParser(elementType, selectString);
select = parser.ParseSelectColumnList();
}
var format = parameters["$format"];
var inlineCount = ODataInlineCountOption.None;
var inlineCountString = parameters["$inlinecount"];
if (inlineCountString != null)
{
if (!Enum.TryParse(inlineCountString, ignoreCase: true, result: out inlineCount))
{
throw new ODataParseException("Unexpected value " + inlineCountString + " for $inlinecount");
}
}
return ODataExpression.Query(
filter: filter,
orderBy: orderBy,
top: top,
skip: skip,
select: select,
format: format,
inlineCount: inlineCount
);
}
