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开源软件名称：gomarkdown/markdown开源软件地址：https://github.com/gomarkdown/markdown开源编程语言：Go 99.5%开源软件介绍：Markdown Parser and HTML Renderer for GoPackage It's fast and supports common extensions. API Docs:
UsersSome tools using this package:
UsageTo convert markdown text to HTML using reasonable defaults: md := []byte("## markdown document")
output := markdown.ToHTML(md, nil, nil)Customizing markdown parserMarkdown format is loosely specified and there are multiple extensions invented after original specification was created. The parser supports several extensions. Default parser uses most common import (
"github.com/gomarkdown/markdown"
"github.com/gomarkdown/markdown/parser"
)
extensions := parser.CommonExtensions | parser.AutoHeadingIDs
parser := parser.NewWithExtensions(extensions)
md := []byte("markdown text")
html := markdown.ToHTML(md, parser, nil)Customizing HTML rendererSimilarly, HTML renderer can be configured with different options Here's how to use a custom renderer: import (
"github.com/gomarkdown/markdown"
"github.com/gomarkdown/markdown/html"
)
htmlFlags := html.CommonFlags | html.HrefTargetBlank
opts := html.RendererOptions{Flags: htmlFlags}
renderer := html.NewRenderer(opts)
md := []byte("markdown text")
html := markdown.ToHTML(md, nil, renderer)HTML renderer also supports reusing most of the logic and overriding rendering of only specific nodes. You can provide RenderNodeFunc in RendererOptions. The function is called for each node in AST, you can implement custom rendering logic and tell HTML renderer to skip rendering this node. Here's the simplest example that drops all code blocks from the output: import (
"github.com/gomarkdown/markdown"
"github.com/gomarkdown/markdown/ast"
"github.com/gomarkdown/markdown/html"
)
// return (ast.GoToNext, true) to tell html renderer to skip rendering this node
// (because you've rendered it)
func renderHookDropCodeBlock(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
// skip all nodes that are not CodeBlock nodes
if _, ok := node.(*ast.CodeBlock); !ok {
return ast.GoToNext, false
}
// custom rendering logic for ast.CodeBlock. By doing nothing it won't be
// present in the output
return ast.GoToNext, true
}
opts := html.RendererOptions{
Flags: html.CommonFlags,
RenderNodeHook: renderHookDropCodeBlock,
}
renderer := html.NewRenderer(opts)
md := "test\n```\nthis code block will be dropped from output\n```\ntext"
html := markdown.ToHTML([]byte(md), nil, renderer)Sanitize untrusted contentWe don't protect against malicious content. When dealing with user-provided markdown, run renderer HTML through HTML sanitizer such as Bluemonday. Here's an example of simple usage with Bluemonday: import (
"github.com/microcosm-cc/bluemonday"
"github.com/gomarkdown/markdown"
)
// ...
maybeUnsafeHTML := markdown.ToHTML(md, nil, nil)
html := bluemonday.UGCPolicy().SanitizeBytes(maybeUnsafeHTML)Windows / Mac newlinesThe library only supports Unix newlines. If you have markdown text with possibly
Windows / Mac newlines, normalize newlines before calling this library using
mdtohtml command-line toolhttps://github.com/gomarkdown/mdtohtml is a command-line markdown to html converter built using this library. You can also use it as an example of how to use the library. You can install it with: To run: Features
ExtensionsIn addition to the standard markdown syntax, this package implements the following extensions:
Todo
Historymarkdown is a fork of v2 of https://github.com/russross/blackfriday that is:
Blackfriday itself was based on C implementation sundown which in turn was based on libsoldout. License
|
2023-10-27
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