wehub-resource-sync
f36e2104d8
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66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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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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//
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// Package io — Markdown writer.
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//
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// Round-trips markdown content: header / footer become HTML
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// comments (so they don't affect rendering), and an optional
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// front-matter-style timestamp comment goes at the top.
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package io
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import (
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"bytes"
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"time"
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)
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// MarkdownOptions is the public contract for the Markdown writer.
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type MarkdownOptions struct {
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HeaderText string
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FooterText string
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AddTimestamp bool
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// Now overrides time.Now() for deterministic tests.
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Now time.Time
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}
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// WriteMarkdown renders content as Markdown with header/footer as
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// HTML comments. Round-tripping Markdown → Markdown is a no-op
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// apart from the comment-based metadata.
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func WriteMarkdown(content string, opts MarkdownOptions) []byte {
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now := opts.Now
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if now.IsZero() {
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now = time.Now().UTC()
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}
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var b bytes.Buffer
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if opts.AddTimestamp {
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b.WriteString("<!-- generated: ")
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b.WriteString(now.Format(time.RFC3339))
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b.WriteString(" -->\n\n")
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}
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if opts.HeaderText != "" {
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b.WriteString("<!-- header: ")
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b.WriteString(opts.HeaderText)
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b.WriteString(" -->\n\n")
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}
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b.WriteString(content)
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if opts.FooterText != "" {
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b.WriteString("\n\n<!-- footer: ")
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b.WriteString(opts.FooterText)
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b.WriteString(" -->\n")
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}
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return b.Bytes()
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}
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