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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"strconv"
"sync/atomic"
)
type atomicString struct {
value atomic.Value
}
func (s *atomicString) Store(other string) {
s.value.Store(other)
}
func (s *atomicString) Load() string {
result := s.value.Load()
if result != nil {
if value, ok := result.(string); ok {
return value
}
}
return ""
}
func (s *atomicString) Length() int {
return len(s.Load())
}
type atomicBool struct {
value atomic.Bool
}
func (b *atomicBool) SetTo(other bool) {
b.value.Store(other)
}
func (b *atomicBool) IsSet() bool {
return b.value.Load()
}
type atomicInt struct {
value atomic.Int32
}
func (i *atomicInt) Store(other int) {
i.value.Store(int32(other))
}
func (i *atomicInt) Load() int {
return int(i.value.Load())
}
func (i *atomicInt) Add(other int) int {
return int(i.value.Add(int32(other)))
}
// IsText checks if the input has all printable characters with strconv.IsPrint
func IsText(data []byte) bool {
printable := true
for i := 0; i < len(data); i++ {
if !strconv.IsPrint(rune(data[i])) {
printable = false
break
}
}
return printable
}
// IsTextFile checks the input with strconv.IsPrint and for tabs and new lines
func IsTextFile(data []byte) bool {
printable := true
for i := 0; i < len(data); i++ {
ch := data[i]
if !strconv.IsPrint(rune(ch)) && ch != '\n' && ch != '\r' && ch != '\t' {
printable = false
break
}
}
return printable
}
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