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// GENERATED CODE, DO NOT EDIT
package dstream
import (
"fmt"
"time"
)
func (gen *generate) init() {
for _, na := range gen.source.Names() {
if gen.newvarname == na {
msg := fmt.Sprintf("Generate: variable '%s' already exists.\n", gen.newvarname)
panic(msg)
}
}
gen.names = append(gen.source.Names(), gen.newvarname)
gen.bdata = make([]interface{}, len(gen.names))
switch gen.dtype {
case String:
gen.bdata[len(gen.bdata)-1] = make([]string, 0)
case Time:
gen.bdata[len(gen.bdata)-1] = make([]time.Time, 0)
case Uint8:
gen.bdata[len(gen.bdata)-1] = make([]uint8, 0)
case Uint16:
gen.bdata[len(gen.bdata)-1] = make([]uint16, 0)
case Uint32:
gen.bdata[len(gen.bdata)-1] = make([]uint32, 0)
case Uint64:
gen.bdata[len(gen.bdata)-1] = make([]uint64, 0)
case Int8:
gen.bdata[len(gen.bdata)-1] = make([]int8, 0)
case Int16:
gen.bdata[len(gen.bdata)-1] = make([]int16, 0)
case Int32:
gen.bdata[len(gen.bdata)-1] = make([]int32, 0)
case Int64:
gen.bdata[len(gen.bdata)-1] = make([]int64, 0)
case Float32:
gen.bdata[len(gen.bdata)-1] = make([]float32, 0)
case Float64:
gen.bdata[len(gen.bdata)-1] = make([]float64, 0)
default:
panic("Generate: unknown dtype")
}
}
func (gen *generate) Next() bool {
if !gen.source.Next() {
return false
}
// All but new variable
for j := 0; j < gen.source.NumVar(); j++ {
gen.bdata[j] = gen.source.GetPos(j)
}
n := ilen(gen.GetPos(0))
// The new variable goes in the last position
q := len(gen.names) - 1
switch x := gen.bdata[q].(type) {
case []string:
gen.bdata[q] = resizeString(x, n)
case []time.Time:
gen.bdata[q] = resizeTime(x, n)
case []uint8:
gen.bdata[q] = resizeUint8(x, n)
case []uint16:
gen.bdata[q] = resizeUint16(x, n)
case []uint32:
gen.bdata[q] = resizeUint32(x, n)
case []uint64:
gen.bdata[q] = resizeUint64(x, n)
case []int8:
gen.bdata[q] = resizeInt8(x, n)
case []int16:
gen.bdata[q] = resizeInt16(x, n)
case []int32:
gen.bdata[q] = resizeInt32(x, n)
case []int64:
gen.bdata[q] = resizeInt64(x, n)
case []float32:
gen.bdata[q] = resizeFloat32(x, n)
case []float64:
gen.bdata[q] = resizeFloat64(x, n)
default:
panic("unknown type")
}
mp := make(map[string]interface{})
for k, na := range gen.names {
if na != gen.newvarname {
mp[na] = gen.bdata[k]
}
}
gen.gfunc(mp, gen.bdata[q])
return true
}
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