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https://github.com/gohugoio/hugo.git
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241b21b0fd
Primary motivation is documentation, but it will also hopefully simplify the code. Also, * Lower case the default output format names; this is in line with the custom ones (map keys) and how it's treated all the places. This avoids doing `stringds.EqualFold` everywhere. Closes #10896 Closes #10620
129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
// Copyright 2019 The Hugo 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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// 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 markup contains the markup handling (e.g. Markdown).
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package markup
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import (
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"fmt"
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"strings"
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"github.com/gohugoio/hugo/markup/highlight"
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"github.com/gohugoio/hugo/markup/markup_config"
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"github.com/gohugoio/hugo/markup/goldmark"
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"github.com/gohugoio/hugo/markup/org"
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"github.com/gohugoio/hugo/markup/asciidocext"
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"github.com/gohugoio/hugo/markup/converter"
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"github.com/gohugoio/hugo/markup/pandoc"
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"github.com/gohugoio/hugo/markup/rst"
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)
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func NewConverterProvider(cfg converter.ProviderConfig) (ConverterProvider, error) {
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converters := make(map[string]converter.Provider)
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mcfg := cfg.MarkupConfig()
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if cfg.Highlighter == nil {
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cfg.Highlighter = highlight.New(mcfg.Highlight)
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}
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defaultHandler := mcfg.DefaultMarkdownHandler
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var defaultFound bool
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add := func(p converter.ProviderProvider, aliases ...string) error {
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c, err := p.New(cfg)
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if err != nil {
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return err
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}
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name := c.Name()
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aliases = append(aliases, name)
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if strings.EqualFold(name, defaultHandler) {
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aliases = append(aliases, "markdown")
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defaultFound = true
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}
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addConverter(converters, c, aliases...)
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return nil
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}
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if err := add(goldmark.Provider); err != nil {
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return nil, err
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}
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if err := add(asciidocext.Provider, "ad", "adoc"); err != nil {
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return nil, err
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}
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if err := add(rst.Provider); err != nil {
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return nil, err
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}
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if err := add(pandoc.Provider, "pdc"); err != nil {
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return nil, err
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}
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if err := add(org.Provider); err != nil {
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return nil, err
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}
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if !defaultFound {
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msg := "markup: Configured defaultMarkdownHandler %q not found."
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if defaultHandler == "blackfriday" {
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msg += " Did you mean to use goldmark? Blackfriday was removed in Hugo v0.100.0."
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}
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return nil, fmt.Errorf(msg, defaultHandler)
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}
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return &converterRegistry{
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config: cfg,
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converters: converters,
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}, nil
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}
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type ConverterProvider interface {
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Get(name string) converter.Provider
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// Default() converter.Provider
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GetMarkupConfig() markup_config.Config
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GetHighlighter() highlight.Highlighter
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}
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type converterRegistry struct {
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// Maps name (md, markdown, goldmark etc.) to a converter provider.
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// Note that this is also used for aliasing, so the same converter
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// may be registered multiple times.
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// All names are lower case.
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converters map[string]converter.Provider
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config converter.ProviderConfig
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}
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func (r *converterRegistry) Get(name string) converter.Provider {
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return r.converters[strings.ToLower(name)]
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}
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func (r *converterRegistry) GetHighlighter() highlight.Highlighter {
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return r.config.Highlighter
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}
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func (r *converterRegistry) GetMarkupConfig() markup_config.Config {
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return r.config.MarkupConfig()
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}
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func addConverter(m map[string]converter.Provider, c converter.Provider, aliases ...string) {
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for _, alias := range aliases {
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m[alias] = c
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}
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}
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