public Interpreter(JsonPathResultAccumulator output, IJsonPathValueSystem valueSystem, JsonPathScriptEvaluator eval)
{
Debug.Assert(output != null);
_output = output;
_eval = eval ?? NullEval;
_system = valueSystem ?? DefaultValueSystem;
}
public Interpreter(JsonPathResultAccumulator output, IJsonPathValueSystem valueSystem, JsonPathScriptEvaluator eval)
{
Debug.Assert(output != null);
this.output = output;
this.eval = eval != null ? eval : new JsonPathScriptEvaluator(NullEval);
this.system = valueSystem != null ? valueSystem : defaultValueSystem;
}
public Interpreter(IJsonPathValueSystem valueSystem, Func <string, object, string, object> eval)
{
if (eval == null)
{
this.eval = (a, b, c) => null;
}
else
{
this.eval = eval;
}
this.system = valueSystem ?? DefaultValueSystem;
}
public Interpreter(IJsonPathValueSystem valueSystem, Func <string, object, string, object> eval)
{
_eval = eval ?? delegate
{
// @ symbol in expr must be interpreted specially to resolve
// to value. In JavaScript, the implementation would look
// like:
//
// return obj && value && eval(expr.replace(/@/g, "value"));
return(null);
};
_system = valueSystem ?? DefaultValueSystem;
}
public IEnumerable<JsonPathExpression> ParseExpression(JsonPathModel model, ScriptEvaluatorFactory.ScriptEvaluatorTypes evaluatorType = ScriptEvaluatorFactory.ScriptEvaluatorTypes.Basic, IJsonPathValueSystem valueSystem = null)
{
IList<JsonPathExpression> result = new List<JsonPathExpression>(model.Expressions.Count());
var json = JsonConvert.DeserializeObject(model.SourceJson);
var context = new JsonPathContext
{
ScriptEvaluator = new JsonPathScriptEvaluator(ScriptEvaluatorFactory.Create(evaluatorType).EvaluateScript),
ValueSystem = valueSystem
};
foreach(JsonPathExpression expression in model.Expressions)
{
var nodes = context.SelectNodes(json, expression.Expression);
Array.Copy(nodes, expression.Nodes.ToArray(), nodes.Length);
result.Add(expression);
}
return result.AsEnumerable();
}
public IEnumerable <JsonPathExpression> ParseExpression(JsonPathModel model, ScriptEvaluatorFactory.ScriptEvaluatorTypes evaluatorType = ScriptEvaluatorFactory.ScriptEvaluatorTypes.Basic, IJsonPathValueSystem valueSystem = null)
{
IList <JsonPathExpression> result = new List <JsonPathExpression>(model.Expressions.Count());
var json = JsonConvert.DeserializeObject(model.SourceJson);
var context = new JsonPathContext
{
ScriptEvaluator = new JsonPathScriptEvaluator(ScriptEvaluatorFactory.Create(evaluatorType).EvaluateScript),
ValueSystem = valueSystem
};
foreach (JsonPathExpression expression in model.Expressions)
{
var nodes = context.SelectNodes(json, expression.Expression);
Array.Copy(nodes, expression.Nodes.ToArray(), nodes.Length);
result.Add(expression);
}
return(result.AsEnumerable());
}
public Interpreter(JsonPathResultAccumulator output, IJsonPathValueSystem valueSystem,
JsonPathScriptEvaluator eval)
{
Debug.Assert(output != null);
_output = output;
_eval = eval ?? NullEval;
_system = valueSystem ?? DefaultValueSystem;
}
public Interpreter(JsonPathResultAccumulator output, IJsonPathValueSystem valueSystem, JsonPathScriptEvaluator eval)
{
Debug.Assert(output != null);
this.output = output;
this.eval = eval != null ? eval : new JsonPathScriptEvaluator(NullEval);
this.system = valueSystem != null ? valueSystem : defaultValueSystem;
}