// MakeStructTypeFromHeaders creates a struct type from the headers using |kinds| as the type of each field. If |kinds| is empty, default to strings.
func MakeStructTypeFromHeaders(headers []string, structName string, kinds KindSlice) *types.Type {
useStringType := len(kinds) == 0
d.Chk.True(useStringType || len(headers) == len(kinds))
fields := make(types.TypeMap, len(headers))
for i, key := range headers {
kind := types.StringKind
if !useStringType {
kind = kinds[i]
}
_, ok := fields[key]
d.Exp.False(ok, `Duplicate field name "%s"`, key)
fields[key] = types.MakePrimitiveType(kind)
}
return types.MakeStructType(structName, fields)
}
// MakeStructTypeFromHeaders creates a struct type from the headers using |kinds| as the type of each field. If |kinds| is empty, default to strings.
func MakeStructTypeFromHeaders(headers []string, structName string, kinds KindSlice) (typ *types.Type, fieldOrder []int, kindMap []types.NomsKind) {
useStringType := len(kinds) == 0
d.Chk.True(useStringType || len(headers) == len(kinds))
fieldMap := make(types.TypeMap, len(headers))
origOrder := make(map[string]int, len(headers))
fieldNames := make(sort.StringSlice, len(headers))
for i, key := range headers {
fn := types.EscapeStructField(key)
origOrder[fn] = i
kind := types.StringKind
if !useStringType {
kind = kinds[i]
}
_, ok := fieldMap[fn]
d.PanicIfTrue(ok, `Duplicate field name "%s"`, key)
fieldMap[fn] = types.MakePrimitiveType(kind)
fieldNames[i] = fn
}
sort.Sort(fieldNames)
kindMap = make([]types.NomsKind, len(fieldMap))
fieldOrder = make([]int, len(fieldMap))
fieldTypes := make([]*types.Type, len(fieldMap))
for i, fn := range fieldNames {
typ := fieldMap[fn]
fieldTypes[i] = typ
kindMap[i] = typ.Kind()
fieldOrder[origOrder[fn]] = i
}
typ = types.MakeStructType(structName, fieldNames, fieldTypes)
return
}