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attribute_class.go
38 lines (30 loc) · 718 Bytes
/
attribute_class.go
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// SPDX-FileCopyrightText: 2020 M. Shulhan <[email protected]>
// SPDX-License-Identifier: GPL-3.0-or-later
package asciidoctor
import (
"strings"
libstrings "git.sr.ht/~shulhan/pakakeh.go/lib/strings"
)
type attributeClass []string
func (aclass *attributeClass) add(c string) {
(*aclass) = libstrings.AppendUniq(*aclass, c)
}
func (aclass *attributeClass) replace(old, new string) {
var (
v string
x int
)
for x, v = range *aclass {
if v == old {
(*aclass)[x] = new
return
}
}
// Add class if not found.
aclass.add(new)
}
// String concat all the attribute class into string separated by single
// space.
func (aclass attributeClass) String() string {
return strings.Join(aclass, ` `)
}