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117 lines
2.6 KiB
117 lines
2.6 KiB
// Copyright 2014 Dustin Webber
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// Copyright 2015 The Macaron Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package bindata is a helper module that allows to use in-memory static and template files for Macaron.
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package bindata
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"github.com/elazarl/go-bindata-assetfs"
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"gopkg.in/macaron.v1"
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)
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const _VERSION = "0.1.1"
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func Version() string {
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return _VERSION
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}
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type (
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templateFileSystem struct {
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files []macaron.TemplateFile
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}
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templateFile struct {
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name string
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data []byte
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ext string
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}
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Options struct {
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// Asset should return content of file in path if exists
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Asset func(path string) ([]byte, error)
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// AssetDir should return list of files in the path
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AssetDir func(path string) ([]string, error)
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// AssetInfo should return the info of file in path if exists
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AssetInfo func(path string) (os.FileInfo, error)
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// AssetNames should return list of all asset names
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AssetNames func() []string
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// Prefix would be prepended to http requests
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Prefix string
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}
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)
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func Static(opt Options) *assetfs.AssetFS {
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fs := &assetfs.AssetFS{
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Asset: opt.Asset,
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AssetDir: opt.AssetDir,
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AssetInfo: opt.AssetInfo,
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Prefix: opt.Prefix,
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}
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return fs
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}
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func (templates templateFileSystem) ListFiles() []macaron.TemplateFile {
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return templates.files
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}
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func (templates templateFileSystem) Get(name string) (io.Reader, error) {
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for i := range templates.files {
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if templates.files[i].Name()+templates.files[i].Ext() == name {
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return bytes.NewReader(templates.files[i].Data()), nil
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}
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}
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return nil, fmt.Errorf("file '%s' not found", name)
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}
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func (f *templateFile) Name() string {
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return f.name
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}
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func (f *templateFile) Data() []byte {
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return f.data
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}
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func (f *templateFile) Ext() string {
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return f.ext
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}
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func Templates(opt Options) templateFileSystem {
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fs := templateFileSystem{}
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fs.files = make([]macaron.TemplateFile, 0, 10)
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list := opt.AssetNames()
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for _, key := range list {
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ext := macaron.GetExt(key)
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data, err := opt.Asset(key)
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if err != nil {
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continue
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}
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name := (key[0 : len(key)-len(ext)])
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fs.files = append(fs.files, &templateFile{name, data, ext})
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}
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return fs
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}
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