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// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package markdown
import (
"fmt"
"strings"
"github.com/yuin/goldmark/ast"
east "github.com/yuin/goldmark/extension/ast"
"gopkg.in/yaml.v2"
)
// RenderConfig represents rendering configuration for this file
type RenderConfig struct {
Meta string
Icon string
TOC bool
Lang string
}
// ToRenderConfig converts a yaml.MapSlice to a RenderConfig
func (rc *RenderConfig) ToRenderConfig(meta yaml.MapSlice) {
if meta == nil {
return
}
found := false
var giteaMetaControl yaml.MapItem
for _, item := range meta {
strKey, ok := item.Key.(string)
if !ok {
continue
}
strKey = strings.TrimSpace(strings.ToLower(strKey))
switch strKey {
case "gitea":
giteaMetaControl = item
found = true
case "include_toc":
val, ok := item.Value.(bool)
if !ok {
continue
}
rc.TOC = val
case "lang":
val, ok := item.Value.(string)
if !ok {
continue
}
val = strings.TrimSpace(val)
if len(val) == 0 {
continue
}
rc.Lang = val
}
}
if found {
switch v := giteaMetaControl.Value.(type) {
case string:
switch v {
case "none":
rc.Meta = "none"
case "table":
rc.Meta = "table"
default: // "details"
rc.Meta = "details"
}
case yaml.MapSlice:
for _, item := range v {
strKey, ok := item.Key.(string)
if !ok {
continue
}
strKey = strings.TrimSpace(strings.ToLower(strKey))
switch strKey {
case "meta":
val, ok := item.Value.(string)
if !ok {
continue
}
switch strings.TrimSpace(strings.ToLower(val)) {
case "none":
rc.Meta = "none"
case "table":
rc.Meta = "table"
default: // "details"
rc.Meta = "details"
}
case "details_icon":
val, ok := item.Value.(string)
if !ok {
continue
}
rc.Icon = strings.TrimSpace(strings.ToLower(val))
case "include_toc":
val, ok := item.Value.(bool)
if !ok {
continue
}
rc.TOC = val
case "lang":
val, ok := item.Value.(string)
if !ok {
continue
}
val = strings.TrimSpace(val)
if len(val) == 0 {
continue
}
rc.Lang = val
}
}
}
}
}
func (rc *RenderConfig) toMetaNode(meta yaml.MapSlice) ast.Node {
switch rc.Meta {
case "table":
return metaToTable(meta)
case "details":
return metaToDetails(meta, rc.Icon)
default:
return nil
}
}
func metaToTable(meta yaml.MapSlice) ast.Node {
table := east.NewTable()
alignments := []east.Alignment{}
for range meta {
alignments = append(alignments, east.AlignNone)
}
row := east.NewTableRow(alignments)
for _, item := range meta {
cell := east.NewTableCell()
cell.AppendChild(cell, ast.NewString([]byte(fmt.Sprintf("%v", item.Key))))
row.AppendChild(row, cell)
}
table.AppendChild(table, east.NewTableHeader(row))
row = east.NewTableRow(alignments)
for _, item := range meta {
cell := east.NewTableCell()
cell.AppendChild(cell, ast.NewString([]byte(fmt.Sprintf("%v", item.Value))))
row.AppendChild(row, cell)
}
table.AppendChild(table, row)
return table
}
func metaToDetails(meta yaml.MapSlice, icon string) ast.Node {
details := NewDetails()
summary := NewSummary()
summary.AppendChild(summary, NewIcon(icon))
details.AppendChild(details, summary)
details.AppendChild(details, metaToTable(meta))
return details
}
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