rim mapping expression.txt

mapping :== (conditional-mapping)* map (exists in context of FHIR element)
conditional mapping :== "?" conditionlist ":" map
condition :== path "=" literal
conditionlist = conditionExpr (, operation conditionExpr)
operation = and | or 
conditionExpr :== (not ) condition | "(" conditionList ")"
condition = path "=" value | function
value :== "" or number or OID
function :== name "(" param ")"     (functions : drawnFromValueSet, memberOfConceptDomain, isSubsumedBy, "sub" (Substring), "cell" (CellFromString))
param = value | path   
path (in FHIR) :== node(.node)+
node :== [name | ".."]   "(" conditionlist ")" 
map (in RIM) :== 


map = path



condition :== path == literal
node :== name {[path]}


setting multiple values
-----------------------



context: [path]

(n = .[path])

path: node(.node)+

element - data type mapping - all attributes

1 FHIR element can create multiple data type properties on RIM Attributes on different paths




(CodeableConcept)  = .code(code = .coding[1].code, codeSystem = codeSystem(.coding[1].system), displayName = .coding[1].display, 
  translation[n = .coding(2..n)](code = .coding[n].code, codeSystem = codeSystem(.coding[n].system), displayName = .coding[n].display,
  originalText(@value = .text) )