mpack/array.go at master · patrickxb/mpack · GitHub

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package mpack

import (
	"bytes"
	"reflect"
)

type Array struct {
	raw []interface{}
}

func NewArray(generic interface{}) *Array {
	result := new(Array)
	result.raw = generic.([]interface{})
	return result
}

func NewEmptyArray() *Array {
	result := new(Array)
	result.raw = make([]interface{}, 0)
	return result
}

func (a Array) Len() int {
	return len(a.raw)
}

func (a Array) Raw() []interface{} {
	return a.raw
}

func (a Array) Item(index int) interface{} {
	return a.raw[index]
}

func (a Array) IntItem(index int) int64 {
	v := reflect.ValueOf(a.raw[index])
	if isInt(v) {
		return v.Int()
	}
	if isUint(v) {
		return int64(v.Uint())
	}
	return 0
}

func (a Array) UintItem(index int) uint64 {
	v := reflect.ValueOf(a.raw[index])
	if isUint(v) {
		return v.Uint()
	}
	if isInt(v) {
		return uint64(v.Int())
	}
	return 0
}

func (a Array) Uint32Item(index int) uint32 {
	v := reflect.ValueOf(a.raw[index])
	if isUint(v) {
		return uint32(v.Uint())
	}
	if isInt(v) {
		return uint32(v.Int())
	}
	return 0
}

func (a Array) StringItem(index int) string {
	return string(a.raw[index].([]uint8))
}

func (a Array) BufferItem(index int) *bytes.Buffer {
	return bytes.NewBuffer(a.raw[index].([]byte))
}

func (a Array) ArrayItem(index int) *Array {
	return NewArray(a.raw[index])
}

func (a Array) MapItem(index int) *Map {
	return NewMap(a.raw[index])
}

func (a Array) FloatItem(index int) float64 {
	v := reflect.ValueOf(a.raw[index])
	if isFloat(v) {
		return v.Float()
	}
	if isInt(v) {
		return float64(v.Int())
	}
	if isUint(v) {
		return float64(v.Uint())
	}
	return 0.0
}

func (a *Array) Append(item interface{}) {
	a.raw = append(a.raw, item)
}