public void Execute(XQueryResultsContext context)
{
var set = context.ResultSetInternal;
Debug.WriteLine("selecting <" + _name + "> from " + set.Count() + " nodes");
context.ResultSetInternal = set
.Where(x => string.Compare(x.Name.LocalName, _name, true) == 0);
}
public void Execute(XQueryResultsContext context)
{
var ids = context.ResultSetInternal.Where(x => x.HasAttributeCI("id")).Select(x => x.GetAttributeCI("id")).ToArray();
var results = context.ResultSetInternal.Where(x => string.Compare(x.GetAttributeCI("id"), _id, true) == 0);
context.ResultSetInternal = results;
}
public void Execute(XQueryResultsContext context)
{
// var ids = context.ResultSetInternal.Where(x => x.HasAttributeCI("id")).Select(x => x.GetAttributeCI("id")).ToArray();
IEnumerable <XElement> results = context.ResultSetInternal.Where(x => string.Compare(x.GetAttributeCI("id"), this._id, true) == 0);
context.ResultSetInternal = results;
}
public void Execute(XQueryResultsContext context)
{
var set = context.ResultSetInternal;
Debug.WriteLine("selecting <" + _name + "> from " + set.Count() + " nodes");
context.ResultSetInternal = set
.Where(x => string.Compare(x.Name.LocalName, _name, true) == 0);
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal
.Where(x =>
{
var c = x.GetAttributeCI("class");
if(c == null)return false;
return c.Split(' ').Contains(_class);
});
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal
.Where(x =>
{
var c = x.GetAttributeCI("class");
if (c == null)
{
return(false);
}
return(c.Split(' ').Contains(_class));
});
}
public static XElement[] Execute(string query, XDocument doc, params XElement[] baseElements)
{
var parserContext = new XQueryParserContext(new SelectorParserCatalog(), query);
var selectors = Parse(parserContext);
var resultsContext = new XQueryResultsContext(doc);
if(baseElements.Length > 0)
resultsContext.ResultSetInternal = baseElements;
if(selectors.Length > 0)
if(selectors.Last().IsTransposeSelector || selectors.First().IsTransposeSelector)
throw new XQueryException("A query may not start or end with a transposal selector (e.g. >)", query, 0, query.Length);
foreach(var selector in selectors)
selector.Execute(resultsContext);
return resultsContext.ResultSet;
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => { return(x.Select(e => e.ElementsAfterSelf().FirstOrDefault())); };
}
public void Execute(XQueryResultsContext context)
{
Func <string, bool> complies;
switch (_op)
{
case null:
complies = (v) => (v != null);
break;
case "=":
complies = (v) => (v == _value);
break;
case "!=":
// for matching not-is
complies = (v) => (v == null || _value != v);
break;
case "~=":
// value is whitespace separated words and we need to match only one
complies = (v) =>
{
if (v == null)
{
return(false);
}
var values = v.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
return(values.Contains(_value));
};
break;
case "|=":
// for matching lang values like en-US with |=en
complies = (v) =>
{
if (v == null)
{
return(false);
}
if (v == _value)
{
return(true);
}
if (v.StartsWith(_value + "-"))
{
return(true);
}
return(false);
};
break;
case "^=":
// for matching starts-with
complies = (v) =>
{
if (v == null)
{
return(false);
}
if (String.IsNullOrEmpty(_value))
{
return(false);
}
return(v.StartsWith(_value));
};
break;
case "$=":
// for matching ends-with
complies = (v) =>
{
if (v == null)
{
return(false);
}
if (String.IsNullOrEmpty(_value))
{
return(false);
}
return(v.EndsWith(_value));
};
break;
case "*=":
// for matching contains
complies = (v) =>
{
if (v == null)
{
return(false);
}
if (String.IsNullOrEmpty(_value))
{
return(false);
}
return(v.Contains(_value));
};
break;
default:
throw new ArgumentException("Not a valid operator:" + _op);
}
context.ResultSetInternal = context.ResultSetInternal
.Where(x =>
{
string valToCompare = x.GetAttribute(_name);
return(complies(valToCompare));
});
}
public void Execute(XQueryResultsContext context)
{
// var ids = context.ResultSetInternal.Where(x => x.HasAttributeCI("id")).Select(x => x.GetAttributeCI("id")).ToArray();
var results = context.ResultSetInternal.Where(x => string.Compare(x.GetAttributeCI("id"), _id, true) == 0);
context.ResultSetInternal = results;
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal
.Where(x => x.GetAttributeCI("class") == _class);
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => { return(x.Elements()); };
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal
.Where(x => x.GetAttributeCI("class") == _class);
}
public void Execute(XQueryResultsContext context)
{
context.NewResultSet();
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal;
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => { return x.Select(e => e.ElementsAfterSelf().FirstOrDefault()); };
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal
.Where(x => string.Compare(x.Name.LocalName, _name, true) == 0);
}
public void Execute(XQueryResultsContext context)
{
context.NewResultSet();
}
public void Execute(XQueryResultsContext context)
{
context.ResultSetInternal = context.ResultSetInternal;
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => x.Descendants();
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => x.Descendants();
}
public void Execute(XQueryResultsContext context)
{
Func<string, bool> complies;
switch (_op)
{
case null:
complies = (v) => (v != null);
break;
case "=":
complies = (v) => (v == _value);
break;
case "!=":
// for matching not-is
complies = (v) => (v == null || _value!=v);
break;
case "~=":
// value is whitespace separated words and we need to match only one
complies = (v) =>
{
if (v == null) return false;
var values = v.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
return values.Contains(_value);
};
break;
case "|=":
// for matching lang values like en-US with |=en
complies = (v) =>
{
if (v == null) return false;
if(v == _value)return true;
if (v.StartsWith(_value + "-")) return true;
return false;
};
break;
case "^=":
// for matching starts-with
complies = (v) =>
{
if (v == null) return false;
if (String.IsNullOrEmpty(_value)) return false;
return (v.StartsWith(_value));
};
break;
case "$=":
// for matching ends-with
complies = (v) =>
{
if (v == null) return false;
if (String.IsNullOrEmpty(_value)) return false;
return (v.EndsWith(_value));
};
break;
case "*=":
// for matching contains
complies = (v) =>
{
if (v == null) return false;
if (String.IsNullOrEmpty(_value)) return false;
return (v.Contains(_value));
};
break;
default:
throw new ArgumentException("Not a valid operator:" + _op);
}
context.ResultSetInternal = context.ResultSetInternal
.Where(x =>
{
string valToCompare = x.GetAttribute(_name);
return complies(valToCompare);
});
}
public void Execute(XQueryResultsContext context)
{
context.PreTranslateResultSet = x => { return x.Elements(); };
}
