mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
cea1574023
But note that the Dart Sass Embedded Protocol is still in beta (beta 5), a main release scheduled for Q1 2021. Fixes #7380 Fixes #8102
82 lines
2.4 KiB
Go
82 lines
2.4 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// Package pandoc converts content to HTML using Pandoc as an external helper.
|
|
package pandoc
|
|
|
|
import (
|
|
"github.com/cli/safeexec"
|
|
"github.com/gohugoio/hugo/htesting"
|
|
"github.com/gohugoio/hugo/identity"
|
|
"github.com/gohugoio/hugo/markup/internal"
|
|
|
|
"github.com/gohugoio/hugo/markup/converter"
|
|
)
|
|
|
|
// Provider is the package entry point.
|
|
var Provider converter.ProviderProvider = provider{}
|
|
|
|
type provider struct {
|
|
}
|
|
|
|
func (p provider) New(cfg converter.ProviderConfig) (converter.Provider, error) {
|
|
return converter.NewProvider("pandoc", func(ctx converter.DocumentContext) (converter.Converter, error) {
|
|
return &pandocConverter{
|
|
ctx: ctx,
|
|
cfg: cfg,
|
|
}, nil
|
|
}), nil
|
|
}
|
|
|
|
type pandocConverter struct {
|
|
ctx converter.DocumentContext
|
|
cfg converter.ProviderConfig
|
|
}
|
|
|
|
func (c *pandocConverter) Convert(ctx converter.RenderContext) (converter.Result, error) {
|
|
return converter.Bytes(c.getPandocContent(ctx.Src, c.ctx)), nil
|
|
}
|
|
|
|
func (c *pandocConverter) Supports(feature identity.Identity) bool {
|
|
return false
|
|
}
|
|
|
|
// getPandocContent calls pandoc as an external helper to convert pandoc markdown to HTML.
|
|
func (c *pandocConverter) getPandocContent(src []byte, ctx converter.DocumentContext) []byte {
|
|
logger := c.cfg.Logger
|
|
path := getPandocExecPath()
|
|
if path == "" {
|
|
logger.Println("pandoc not found in $PATH: Please install.\n",
|
|
" Leaving pandoc content unrendered.")
|
|
return src
|
|
}
|
|
args := []string{"--mathjax"}
|
|
return internal.ExternallyRenderContent(c.cfg, ctx, src, path, args)
|
|
}
|
|
|
|
func getPandocExecPath() string {
|
|
path, err := safeexec.LookPath("pandoc")
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
|
|
return path
|
|
}
|
|
|
|
// Supports returns whether Pandoc is installed on this computer.
|
|
func Supports() bool {
|
|
if htesting.SupportsAll() {
|
|
return true
|
|
}
|
|
return getPandocExecPath() != ""
|
|
}
|