| static private Clone ( JToken value ) : JToken | ||
| value | JToken | |
| return | JToken | |
/// <exception cref="JsonLD.Core.JsonLdError"></exception>
public static JObject Frame(JToken input, JToken frame, JsonLdOptions
options)
{
if (frame is JObject)
{
frame = JsonLdUtils.Clone((JObject)frame);
}
// TODO string/IO input
JToken expandedInput = Expand(input, options);
JArray expandedFrame = Expand(frame, options);
JsonLdApi api = new JsonLdApi(expandedInput, options);
JArray framed = api.Frame(expandedInput, expandedFrame);
Context activeCtx = api.context.Parse(frame["@context"
]);
JToken compacted = api.Compact(activeCtx, null, framed);
if (!(compacted is JArray))
{
JArray tmp = new JArray();
tmp.Add(compacted);
compacted = tmp;
}
string alias = activeCtx.CompactIri("@graph");
JObject rval = activeCtx.Serialize();
rval[alias] = compacted;
JsonLdUtils.RemovePreserve(activeCtx, rval, options);
return(rval);
}
/// <summary>Copies this UniqueNamer.</summary>
/// <remarks>Copies this UniqueNamer.</remarks>
/// <returns>a copy of this UniqueNamer.</returns>
public virtual JsonLD.Core.UniqueNamer Clone()
{
JsonLD.Core.UniqueNamer copy = new JsonLD.Core.UniqueNamer(this.prefix);
copy.counter = this.counter;
copy.existing = (JObject)JsonLdUtils.Clone(this.existing);
return(copy);
}
/// <summary>Copies this UniqueNamer.</summary>
/// <remarks>Copies this UniqueNamer.</remarks>
/// <returns>a copy of this UniqueNamer.</returns>
public virtual UniqueNamer Clone()
{
var copy = new UniqueNamer(prefix);
copy.counter = counter;
copy.existing = (JObject)JsonLdUtils.Clone(existing);
return(copy);
}
public Permutator(JArray list)
{
this.list = (JArray)JsonLdUtils.Clone(list);
this.list.SortInPlace();
this.done = false;
this.left = new Dictionary <string, bool>();
foreach (string i in this.list)
{
this.left[i] = true;
}
}
/// <summary>Gets the next permutation.</summary>
/// <remarks>
/// Gets the next permutation. Call hasNext() to ensure there is another
/// one first.
/// </remarks>
/// <returns>the next permutation.</returns>
public virtual JArray Next()
{
var rval = (JArray)JsonLdUtils.Clone(list);
// Calculate the next permutation using Steinhaus-Johnson-Trotter
// permutation algoritm
// get largest mobile element k
// (mobile: element is grater than the one it is looking at)
string k = null;
var pos = 0;
var length = list.Count;
for (var i = 0; i < length; ++i)
{
var element = (string)list[i];
var left = this.left[element];
if ((k == null || string.CompareOrdinal(element, k) > 0) &&
(left && i > 0 && string.CompareOrdinal(element, (string)list[i - 1]) > 0 ||
!left && i < length - 1 && string.CompareOrdinal(element, (string)list[i + 1]) > 0))
{
k = element;
pos = i;
}
}
// no more permutations
if (k == null)
{
done = true;
}
else
{
// swap k and the element it is looking at
var swap = left[k] ? pos - 1 : pos + 1;
list[pos] = list[swap];
list[swap] = k;
// reverse the direction of all element larger than k
for (var i_1 = 0; i_1 < length; i_1++)
{
if (string.CompareOrdinal((string)list[i_1], k) > 0)
{
left[(string)list[i_1]] = !left[(string)list[i_1]];
}
}
}
return(rval);
}
/// <exception cref="JsonLdError"></exception>
public static async Task <JObject> FrameAsync(JToken input,
JToken frame,
JsonLdOptions options)
{
if (frame is JObject)
{
frame = JsonLdUtils.Clone((JObject)frame);
}
// TODO string/IO input
JToken expandedInput = await ExpandAsync(input, options);
var expandedFrame = await ExpandAsync(frame, options);
var api = await JsonLdApi.CreateAsync(expandedInput, options);
var framed = api.Frame(expandedInput, expandedFrame);
var activeCtx = await api.context.ParseAsync(frame["@context"
]);
var compacted = api.Compact(activeCtx, null, framed);
if (!(compacted is JArray))
{
compacted = new JArray {
compacted
};
}
var alias = activeCtx.CompactIri("@graph");
var rval = activeCtx.Serialize();
rval[alias] = compacted;
JsonLdUtils.RemovePreserve(activeCtx, rval, options);
return(rval);
}
private static IDictionary <string, string> modifyFirstDegreeComponent(IDictionary <string, string> component, string id)
{
if (!component["type"].Equals("blank node"))
{
return(component);
}
IDictionary <string, string> componentClone = (IDictionary <string, string>)JsonLdUtils.Clone(JToken.FromObject(component));
if (componentClone["value"].Equals(id))
{
componentClone["value"] = "_:a";
}
else
{
componentClone["value"] = "_:z";
}
return(componentClone);
}
