jsonpath

func GetDoc ¶

func GetDoc(traveler gdbi.Traveler, namespace string) map[string]interface{}

GetDoc returns the document referenced by the provided namespace.

Example for a traveler containing:

{
    "current": {...},
    "marks": {
      "gene": {
        "gid": 1,
        "label": "gene",
        "data": {
          "symbol": {
            "ensembl": "ENSG00000012048",
            "hgnc": 1100,
            "entrez": 672
          }
        }
      }
    }
  }
}

GetDoc(traveler, "gene") returns:

{
  "gid": 1,
  "label": "gene",
  "data": {
    "symbol": {
      "ensembl": "ENSG00000012048",
      "hgnc": 1100,
      "entrez": 672
    }
  }
}

func GetJSONPath ¶

func GetJSONPath(path string) string

GetJSONPath strips the namespace from the path and returns the valid Json path within the document referenced by the namespace

Example: GetJSONPath("gene.symbol.ensembl") returns "$.data.symbol.ensembl"

func GetNamespace ¶

func GetNamespace(path string) string

GetNamespace returns the namespace of the provided path

Example: GetNamespace("$gene.symbol.ensembl") returns "gene"

func RenderTraveler ¶

func RenderTraveler(traveler gdbi.Traveler, template interface{}) interface{}

RenderTraveler takes a template and fills in the values using the data structure

func SelectTravelerFields ¶

func SelectTravelerFields(t gdbi.Traveler, keys ...string) gdbi.Traveler

SelectTravelerFields returns a new copy of the traveler with only the selected fields

func TravelerPathExists ¶

func TravelerPathExists(traveler gdbi.Traveler, path string) bool

TravelerPathExists returns true if the field exists in the given Traveler

func TravelerPathLookup ¶

func TravelerPathLookup(traveler gdbi.Traveler, path string) interface{}

TravelerPathLookup gets the value of a field in the given Traveler

Example for a traveler containing:

{
    "current": {...},
    "marks": {
      "gene": {
        "gid": 1,
        "label": "gene",
        "data": {
          "symbol": {
            "ensembl": "ENSG00000012048",
            "hgnc": 1100,
            "entrez": 672
          }
        }
      }
    }
  }
}

TravelerPathLookup(travler, "$gene.symbol.ensembl") returns "ENSG00000012048"

func TravelerSetValue ¶

func TravelerSetValue(traveler gdbi.Traveler, path string, val interface{}) error

TravelerSetValue(travler, "$gene.symbol.ensembl", "hi") inserts the value in the location"