102 lines
3.6 KiB
Go
102 lines
3.6 KiB
Go
// Copyright 2018 Google LLC
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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 main
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import (
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"bufio"
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"bytes"
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"fmt"
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"html/template"
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"strings"
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"unicode"
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)
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var licenseTemplate = make(map[string]*template.Template)
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func init() {
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licenseTemplate["apache"] = template.Must(template.New("").Parse(tmplApache))
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licenseTemplate["mit"] = template.Must(template.New("").Parse(tmplMIT))
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licenseTemplate["bsd"] = template.Must(template.New("").Parse(tmplBSD))
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licenseTemplate["mpl"] = template.Must(template.New("").Parse(tmplMPL))
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}
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type copyrightData struct {
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Year string
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Holder string
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}
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// prefix will execute a license template t with data d
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// and prefix the result with top, middle and bottom.
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func prefix(t *template.Template, d *copyrightData, top, mid, bot string) ([]byte, error) {
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var buf bytes.Buffer
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if err := t.Execute(&buf, d); err != nil {
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return nil, err
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}
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var out bytes.Buffer
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if top != "" {
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fmt.Fprintln(&out, top)
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}
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s := bufio.NewScanner(&buf)
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for s.Scan() {
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fmt.Fprintln(&out, strings.TrimRightFunc(mid+s.Text(), unicode.IsSpace))
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}
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if bot != "" {
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fmt.Fprintln(&out, bot)
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}
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fmt.Fprintln(&out)
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return out.Bytes(), nil
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}
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const tmplApache = `Copyright {{.Year}} {{.Holder}}
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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const tmplBSD = `Copyright (c) {{.Year}} {{.Holder}} All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file.`
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const tmplMIT = `Copyright (c) {{.Year}} {{.Holder}}
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.`
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const tmplMPL = `This Source Code Form is subject to the terms of the Mozilla Public
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License, v. 2.0. If a copy of the MPL was not distributed with this
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file, You can obtain one at https://mozilla.org/MPL/2.0/.`
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