289 lines
8.2 KiB
Go
289 lines
8.2 KiB
Go
// SiYuan - Build Your Eternal Digital Garden
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// Copyright (c) 2020-present, b3log.org
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package model
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import (
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"bytes"
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"errors"
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"fmt"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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"time"
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"unicode/utf8"
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"github.com/88250/lute/ast"
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"github.com/88250/lute/parse"
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"github.com/88250/lute/render"
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"github.com/88250/protyle"
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"github.com/araddon/dateparse"
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"github.com/siyuan-note/siyuan/kernel/treenode"
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"github.com/siyuan-note/siyuan/kernel/util"
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"github.com/88250/gulu"
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sprig "github.com/Masterminds/sprig/v3"
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"github.com/siyuan-note/siyuan/kernel/search"
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"github.com/siyuan-note/siyuan/kernel/sql"
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)
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func RenderCreateDocNameTemplate(nameTemplate string) (ret string, err error) {
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tpl, err := template.New("").Funcs(sprig.TxtFuncMap()).Parse(nameTemplate)
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if nil != err {
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return "", errors.New(fmt.Sprintf(Conf.Language(44), err.Error()))
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}
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buf := &bytes.Buffer{}
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buf.Grow(4096)
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err = tpl.Execute(buf, nil)
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if nil != err {
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return "", errors.New(fmt.Sprintf(Conf.Language(44), err.Error()))
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}
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ret = buf.String()
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return
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}
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func SearchTemplate(keyword string) (ret []*Block) {
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templates := filepath.Join(util.DataDir, "templates")
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k := strings.ToLower(keyword)
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filepath.Walk(templates, func(path string, info fs.FileInfo, err error) error {
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name := strings.ToLower(info.Name())
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if !strings.HasSuffix(name, ".md") {
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return nil
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}
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if strings.HasPrefix(name, ".") || "readme.md" == name {
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if info.IsDir() {
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return filepath.SkipDir
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}
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return nil
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}
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if strings.Contains(name, k) {
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content := strings.TrimPrefix(path, templates)
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content = strings.ReplaceAll(content, "templates"+string(os.PathSeparator), "")
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content = strings.TrimSuffix(content, ".md")
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content = filepath.ToSlash(content)
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content = content[1:]
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_, content = search.MarkText(content, keyword, 32, Conf.Search.CaseSensitive)
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b := &Block{Path: path, Content: content}
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ret = append(ret, b)
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}
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return nil
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})
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return
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}
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func DocSaveAsTemplate(id string, overwrite bool) (code int, err error) {
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tree, err := loadTreeByBlockID(id)
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if nil != err {
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return
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}
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var blocks []*ast.Node
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// 添加 block ial，后面格式化渲染需要
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering || !n.IsBlock() {
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return ast.WalkContinue
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}
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if ast.NodeBlockQueryEmbed == n.Type {
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if script := n.ChildByType(ast.NodeBlockQueryEmbedScript); nil != script {
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script.Tokens = bytes.ReplaceAll(script.Tokens, []byte("\n"), []byte(" "))
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}
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} else if ast.NodeHTMLBlock == n.Type {
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n.Tokens = bytes.TrimSpace(n.Tokens)
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// 使用 <div> 包裹，否则后续解析模板时会识别为行级 HTML https://github.com/siyuan-note/siyuan/issues/4244
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if !bytes.HasPrefix(n.Tokens, []byte("<div>")) {
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n.Tokens = append([]byte("<div>\n"), n.Tokens...)
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}
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if !bytes.HasSuffix(n.Tokens, []byte("</div>")) {
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n.Tokens = append(n.Tokens, []byte("\n</div>")...)
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}
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}
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n.RemoveIALAttr("updated")
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if 0 < len(n.KramdownIAL) {
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blocks = append(blocks, n)
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}
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return ast.WalkContinue
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})
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for _, block := range blocks {
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block.InsertAfter(&ast.Node{Type: ast.NodeKramdownBlockIAL, Tokens: parse.IAL2Tokens(block.KramdownIAL)})
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}
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luteEngine := NewLute()
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formatRenderer := render.NewFormatRenderer(tree, luteEngine.RenderOptions)
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md := formatRenderer.Render()
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title := tree.Root.IALAttr("title")
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title = util.FilterFileName(title)
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title += ".md"
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savePath := filepath.Join(util.DataDir, "templates", title)
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if gulu.File.IsExist(savePath) {
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if !overwrite {
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code = 1
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return
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}
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}
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err = os.WriteFile(savePath, md, 0644)
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return
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}
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func RenderTemplate(p, id string) (string, error) {
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return renderTemplate(p, id)
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}
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func renderTemplate(p, id string) (string, error) {
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tree, err := loadTreeByBlockID(id)
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if nil != err {
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return "", err
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}
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node := treenode.GetNodeInTree(tree, id)
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if nil == node {
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return "", ErrBlockNotFound
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}
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block := sql.BuildBlockFromNode(node, tree)
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md, err := os.ReadFile(p)
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if nil != err {
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return "", err
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}
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dataModel := map[string]string{}
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var titleVar string
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if nil != block {
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titleVar = block.Name
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if "d" == block.Type {
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titleVar = block.Content
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}
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dataModel["title"] = titleVar
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dataModel["id"] = block.ID
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dataModel["name"] = block.Name
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dataModel["alias"] = block.Alias
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}
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funcMap := sprig.TxtFuncMap()
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funcMap["queryBlocks"] = func(stmt string, args ...string) (ret []*sql.Block) {
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for _, arg := range args {
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stmt = strings.Replace(stmt, "?", arg, 1)
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}
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ret = sql.SelectBlocksRawStmt(stmt, Conf.Search.Limit)
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return
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}
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funcMap["querySpans"] = func(stmt string, args ...string) (ret []*sql.Span) {
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for _, arg := range args {
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stmt = strings.Replace(stmt, "?", arg, 1)
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}
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ret = sql.SelectSpansRawStmt(stmt, Conf.Search.Limit)
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return
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}
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funcMap["parseTime"] = func(dateStr string) time.Time {
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now := time.Now()
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ret, err := dateparse.ParseIn(dateStr, now.Location())
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if nil != err {
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util.LogWarnf("parse date [%s] failed [%s], return current time instead", dateStr, err)
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return now
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}
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return ret
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}
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goTpl := template.New("").Delims(".action{", "}")
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tpl, err := goTpl.Funcs(funcMap).Parse(gulu.Str.FromBytes(md))
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if nil != err {
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return "", errors.New(fmt.Sprintf(Conf.Language(44), err.Error()))
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}
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buf := &bytes.Buffer{}
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buf.Grow(4096)
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if err = tpl.Execute(buf, dataModel); nil != err {
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return "", errors.New(fmt.Sprintf(Conf.Language(44), err.Error()))
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}
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md = buf.Bytes()
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tree = parseKTree(md)
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if nil == tree {
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msg := fmt.Sprintf("parse tree [%s] failed", p)
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util.LogErrorf(msg)
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return "", errors.New(msg)
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}
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var nodesNeedAppendChild []*ast.Node
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering {
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return ast.WalkContinue
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}
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if "" != n.ID {
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// 重新生成 ID
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n.ID = ast.NewNodeID()
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n.SetIALAttr("id", n.ID)
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}
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if (ast.NodeListItem == n.Type && (nil == n.FirstChild ||
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(3 == n.ListData.Typ && (nil == n.FirstChild.Next || ast.NodeKramdownBlockIAL == n.FirstChild.Next.Type)))) ||
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(ast.NodeBlockquote == n.Type && nil != n.FirstChild && nil != n.FirstChild.Next && ast.NodeKramdownBlockIAL == n.FirstChild.Next.Type) {
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nodesNeedAppendChild = append(nodesNeedAppendChild, n)
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}
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appendRefTextRenderResultForBlockRef(n)
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return ast.WalkContinue
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})
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for _, n := range nodesNeedAppendChild {
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n.AppendChild(protyle.NewParagraph())
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}
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// 折叠标题导出为模板后使用会出现内容重复 https://github.com/siyuan-note/siyuan/issues/4488
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ast.Walk(tree.Root, func(n *ast.Node, entering bool) ast.WalkStatus {
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if !entering {
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return ast.WalkContinue
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}
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if "1" == n.IALAttr("heading-fold") { // 为标题折叠下方块添加属性，前端渲染以后会统一做移除处理
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n.SetIALAttr("status", "temp")
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}
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return ast.WalkContinue
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})
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luteEngine := NewLute()
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dom := luteEngine.Tree2BlockDOM(tree, luteEngine.RenderOptions)
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return dom, nil
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}
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func appendRefTextRenderResultForBlockRef(blockRef *ast.Node) {
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if ast.NodeBlockRef != blockRef.Type {
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return
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}
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refText := blockRef.ChildByType(ast.NodeBlockRefText)
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if nil != refText {
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return
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}
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refText = blockRef.ChildByType(ast.NodeBlockRefDynamicText)
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if nil != refText {
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return
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}
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// 动态解析渲染 ((id)) 的锚文本
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// 现行版本已经不存在该语法情况，这里保留是为了迁移历史数据
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refID := blockRef.ChildByType(ast.NodeBlockRefID)
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text := sql.GetRefText(refID.TokensStr())
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if Conf.Editor.BlockRefDynamicAnchorTextMaxLen < utf8.RuneCountInString(text) {
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text = gulu.Str.SubStr(text, Conf.Editor.BlockRefDynamicAnchorTextMaxLen) + "..."
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}
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blockRef.AppendChild(&ast.Node{Type: ast.NodeBlockRefDynamicText, Tokens: gulu.Str.ToBytes(text)})
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}
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