siyuan/kernel/model/tree.go

88 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 (
"errors"
"io/fs"
"path/filepath"
"strings"
"github.com/88250/lute/parse"
"github.com/88250/protyle"
"github.com/siyuan-note/siyuan/kernel/filesys"
"github.com/siyuan-note/siyuan/kernel/treenode"
"github.com/siyuan-note/siyuan/kernel/util"
)
func loadTrees(localPath string) (ret []*parse.Tree) {
luteEngine := NewLute()
filepath.Walk(localPath, func(path string, info fs.FileInfo, err error) error {
if info.IsDir() && strings.HasPrefix(info.Name(), ".") {
return filepath.SkipDir
}
if !strings.HasSuffix(info.Name(), ".sy") {
return nil
}
data, err := filesys.NoLockFileRead(path)
if nil != err {
util.LogErrorf("get data [path=%s] failed: %s", path, err)
return nil
}
tree, err := protyle.ParseJSONWithoutFix(luteEngine, data)
if nil != err {
util.LogErrorf("parse json to tree [%s] failed: %s", path, err)
return nil
}
ret = append(ret, tree)
return nil
})
return
}
var ErrBoxNotFound = errors.New("notebook not found")
var ErrBlockNotFound = errors.New("block not found")
var ErrTreeNotFound = errors.New("tree not found")
func loadTreeByBlockID(id string) (ret *parse.Tree, err error) {
if "" == id {
return nil, ErrTreeNotFound
}
bt := treenode.GetBlockTree(id)
if nil == bt {
return nil, ErrBlockNotFound
}
ret, err = LoadTree(bt.BoxID, bt.Path)
if nil != err {
return
}
return
}
func LoadTree(boxID, p string) (*parse.Tree, error) {
luteEngine := NewLute()
tree, err := filesys.LoadTree(boxID, p, luteEngine)
if nil != err {
util.LogErrorf("load tree [%s] failed: %s", boxID+p, err)
return nil, err
}
return tree, nil
}