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primitive.go
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primitive.go
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/*
* Copyright 2023 InfAI (CC SES)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package parser
import (
"fmt"
"math"
)
func toString(val any) (string, error) {
v, ok := val.(string)
if !ok {
return "", fmt.Errorf("invalid data type '%T'", val)
}
return v, nil
}
func toBool(val any) (bool, error) {
v, ok := val.(bool)
if !ok {
return false, fmt.Errorf("invalid data type '%T'", val)
}
return v, nil
}
func float64ToInt64(val float64) (int64, error) {
i, fr := math.Modf(val)
if fr > 0 {
return 0, fmt.Errorf("invalid data type '%T'", val)
}
return int64(i), nil
}
func toInt64(val any) (int64, error) {
var i int64
var err error
switch v := val.(type) {
case int:
i = int64(v)
case int8:
i = int64(v)
case int16:
i = int64(v)
case int32:
i = int64(v)
case int64:
i = v
case float32:
i, err = float64ToInt64(float64(v))
case float64:
i, err = float64ToInt64(v)
default:
err = fmt.Errorf("invalid data type '%T'", val)
}
return i, err
}
func toFloat64(val any) (float64, error) {
var f float64
switch v := val.(type) {
case float32:
f = float64(v)
case float64:
f = v
default:
return f, fmt.Errorf("invalid data type '%T'", val)
}
return f, nil
}