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Diffstat (limited to 'markup/internal/blackfriday.go')
-rw-r--r-- | markup/internal/blackfriday.go | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/markup/internal/blackfriday.go b/markup/internal/blackfriday.go new file mode 100644 index 000000000..373df0c50 --- /dev/null +++ b/markup/internal/blackfriday.go @@ -0,0 +1,108 @@ +// 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 helpers implements general utility functions that work with +// and on content. The helper functions defined here lay down the +// foundation of how Hugo works with files and filepaths, and perform +// string operations on content. + +package internal + +import ( + "github.com/gohugoio/hugo/common/maps" + "github.com/gohugoio/hugo/markup/converter" + "github.com/mitchellh/mapstructure" + "github.com/pkg/errors" +) + +// BlackFriday holds configuration values for BlackFriday rendering. +// It is kept here because it's used in several packages. +type BlackFriday struct { + Smartypants bool + SmartypantsQuotesNBSP bool + AngledQuotes bool + Fractions bool + HrefTargetBlank bool + NofollowLinks bool + NoreferrerLinks bool + SmartDashes bool + LatexDashes bool + TaskLists bool + PlainIDAnchors bool + Extensions []string + ExtensionsMask []string + SkipHTML bool + + FootnoteAnchorPrefix string + FootnoteReturnLinkContents string +} + +func UpdateBlackFriday(old *BlackFriday, m map[string]interface{}) (*BlackFriday, error) { + // Create a copy so we can modify it. + bf := *old + if err := mapstructure.Decode(m, &bf); err != nil { + return nil, errors.WithMessage(err, "failed to decode rendering config") + } + return &bf, nil +} + +// NewBlackfriday creates a new Blackfriday filled with site config or some sane defaults. +func NewBlackfriday(cfg converter.ProviderConfig) (*BlackFriday, error) { + var siteConfig map[string]interface{} + if cfg.Cfg != nil { + siteConfig = cfg.Cfg.GetStringMap("blackfriday") + } + + defaultParam := map[string]interface{}{ + "smartypants": true, + "angledQuotes": false, + "smartypantsQuotesNBSP": false, + "fractions": true, + "hrefTargetBlank": false, + "nofollowLinks": false, + "noreferrerLinks": false, + "smartDashes": true, + "latexDashes": true, + "plainIDAnchors": true, + "taskLists": true, + "skipHTML": false, + } + + maps.ToLower(defaultParam) + + config := make(map[string]interface{}) + + for k, v := range defaultParam { + config[k] = v + } + + for k, v := range siteConfig { + config[k] = v + } + + combinedConfig := &BlackFriday{} + if err := mapstructure.Decode(config, combinedConfig); err != nil { + return nil, errors.Errorf("failed to decode Blackfriday config: %s", err) + } + + // TODO(bep) update/consolidate docs + if combinedConfig.FootnoteAnchorPrefix == "" { + combinedConfig.FootnoteAnchorPrefix = cfg.Cfg.GetString("footnoteAnchorPrefix") + } + + if combinedConfig.FootnoteReturnLinkContents == "" { + combinedConfig.FootnoteReturnLinkContents = cfg.Cfg.GetString("footnoteReturnLinkContents") + } + + return combinedConfig, nil +} |