87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
// Copyright 2025-present Gustavo "Guz" L. de Mello
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// Copyright 2025-present The Lored.dev Contributors
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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 plugins
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import (
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"errors"
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"fmt"
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"io"
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"io/fs"
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"forge.capytal.company/loreddev/x/blogo/plugin"
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"forge.capytal.company/loreddev/x/tinyssert"
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)
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const plainTextName = "blogo-plaintext-renderer"
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func NewPlainText(opts ...PlainTextOpts) plugin.Renderer {
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opt := PlainTextOpts{}
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if len(opts) > 0 {
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opt = opts[0]
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}
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if opt.Assertions == nil {
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opt.Assertions = tinyssert.NewDisabledAssertions()
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}
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return &painText{
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assert: opt.Assertions,
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}
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}
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type PlainTextOpts struct {
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Assertions tinyssert.Assertions
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}
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type painText struct {
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assert tinyssert.Assertions
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}
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func (p *painText) Name() string {
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return plainTextName
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}
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func (p *painText) Render(src fs.File, w io.Writer) error {
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p.assert.NotNil(src)
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p.assert.NotNil(w)
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if d, ok := src.(fs.ReadDirFile); ok {
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return p.renderDirectory(d, w)
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}
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_, err := io.Copy(w, src)
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return err
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}
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func (p *painText) renderDirectory(f fs.ReadDirFile, w io.Writer) error {
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es, err := f.ReadDir(-1)
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if err != nil {
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return err
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}
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for _, e := range es {
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_, err := w.Write([]byte(fmt.Sprintf("%s\n", e.Name())))
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if err != nil {
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return errors.Join(
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fmt.Errorf("failed to write directory file list, file %s", e.Name()),
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err,
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)
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}
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}
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return nil
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}
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