siyuan/kernel/model/export_merge.go

95 lines
2.3 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 (
"github.com/88250/lute/ast"
"github.com/88250/lute/parse"
)
func mergeSubDocs(rootTree *parse.Tree) (ret *parse.Tree, err error) {
ret = rootTree
rootBlock := &Block{Box: rootTree.Box, ID: rootTree.ID, Path: rootTree.Path}
if err = buildBlockChildren(rootBlock); nil != err {
return
}
for i := 0; i < 1024; i++ {
if err = walkBlock(ret, rootBlock); nil != err {
return
}
if nil == rootBlock.Children {
break
}
}
return
}
func walkBlock(tree *parse.Tree, block *Block) (err error) {
for _, c := range block.Children {
if err = walkBlock(tree, c); nil != err {
return
}
}
for i := len(block.Children) - 1; -1 < i; i-- {
c := block.Children[i]
nodes, loadErr := loadTreeNodes(c.Box, c.Path)
if nil != loadErr {
return
}
for j := len(nodes) - 1; -1 < j; j-- {
tree.Root.LastChild.InsertAfter(nodes[j])
}
}
block.Children = nil
return
}
func loadTreeNodes(box string, p string) (ret []*ast.Node, err error) {
tree, err := LoadTree(box, p)
if nil != err {
return
}
for c := tree.Root.FirstChild; nil != c; c = c.Next {
ret = append(ret, c)
}
return
}
func buildBlockChildren(block *Block) (err error) {
files, _, err := ListDocTree(block.Box, block.Path, Conf.FileTree.Sort)
if nil != err {
return
}
for _, f := range files {
childBlock := &Block{Box: block.Box, ID: f.ID, Path: f.Path}
block.Children = append(block.Children, childBlock)
}
for _, c := range block.Children {
if err = buildBlockChildren(c); nil != err {
return
}
}
return
}