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assets.go
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assets.go
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// Copyright 2021 Google LLC
//
// 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 vfs
import (
"fmt"
"io"
"path"
"strings"
"github.com/divVerent/aaaaxy/internal/log"
)
// ReadSeekCloser is a typical file interface.
type ReadSeekCloser interface {
io.Reader
io.Seeker
io.Closer
}
func LoadPath(purpose, name string) (ReadSeekCloser, error) {
override := path.Base(path.Dir(name))
if override != "" && override != "." {
purpose = override
}
name = path.Base(name)
return Load(purpose, name)
}
func Load(purpose, name string) (ReadSeekCloser, error) {
if strings.ContainsRune(name, '/') {
log.Fatalf("noncanonical path: %v %v", purpose, name)
}
vfsPath := fmt.Sprintf("/%s/%s", purpose, name)
log.Debugf("loading %v", vfsPath)
return load(vfsPath)
}
// ReadDir lists all files in a directory. Returns their VFS paths!
func ReadDir(purpose string) ([]string, error) {
vfsPath := fmt.Sprintf("/%s/", purpose)
log.Debugf("listing %v", vfsPath)
return readDir(vfsPath)
}