siyuan/kernel/model/format.go

120 lines
3.2 KiB
Go

// SiYuan - Build Your Eternal Digital Garden
// Copyright (c) 2020-present, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package model
import (
"os"
"path/filepath"
"github.com/88250/gulu"
"github.com/88250/lute/ast"
"github.com/88250/lute/parse"
"github.com/88250/lute/render"
"github.com/siyuan-note/filelock"
"github.com/siyuan-note/logging"
"github.com/siyuan-note/siyuan/kernel/sql"
"github.com/siyuan-note/siyuan/kernel/util"
)
func AutoSpace(rootID string) (err error) {
tree, err := loadTreeByBlockID(rootID)
if nil != err {
return
}
util.PushEndlessProgress(Conf.Language(116))
defer util.ClearPushProgress(100)
generateFormatHistory(tree)
luteEngine := NewLute()
// 合并相邻的同类行级节点
ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
if entering {
switch n.Type {
case ast.NodeStrong, ast.NodeEmphasis, ast.NodeStrikethrough, ast.NodeUnderline:
luteEngine.MergeSameSpan(n, n.Type)
}
}
return ast.WalkContinue
})
// 合并相邻的文本节点
for {
var unlinks []*ast.Node
ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
if entering && ast.NodeText == n.Type && nil != n.Next && ast.NodeText == n.Next.Type {
n.Tokens = append(n.Tokens, n.Next.Tokens...)
unlinks = append(unlinks, n.Next)
}
return ast.WalkContinue
})
for _, n := range unlinks {
n.Unlink()
}
if 1 > len(unlinks) {
break
}
}
rootIAL := tree.Root.KramdownIAL
addBlockIALNodes(tree, false)
luteEngine.SetAutoSpace(true)
formatRenderer := render.NewFormatRenderer(tree, luteEngine.RenderOptions)
md := formatRenderer.Render()
newTree := parseKTree(md)
newTree.Root.ID = tree.ID
newTree.Root.KramdownIAL = rootIAL
newTree.ID = tree.ID
newTree.Path = tree.Path
newTree.HPath = tree.HPath
newTree.Box = tree.Box
err = writeJSONQueue(newTree)
if nil != err {
return
}
sql.WaitForWritingDatabase()
return
}
func generateFormatHistory(tree *parse.Tree) {
historyDir, err := util.GetHistoryDir("format")
if nil != err {
logging.LogErrorf("get history dir failed: %s", err)
return
}
historyPath := filepath.Join(historyDir, tree.Box, tree.Path)
if err = os.MkdirAll(filepath.Dir(historyPath), 0755); nil != err {
logging.LogErrorf("generate history failed: %s", err)
return
}
var data []byte
if data, err = filelock.NoLockFileRead(filepath.Join(util.DataDir, tree.Box, tree.Path)); err != nil {
logging.LogErrorf("generate history failed: %s", err)
return
}
if err = gulu.File.WriteFileSafer(historyPath, data, 0644); err != nil {
logging.LogErrorf("generate history failed: %s", err)
return
}
}