go-form/util/collection.go

111 lines
2.4 KiB
Go

package util
// @license GNU AGPL version 3 or any later version
//
// 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 <http://www.gnu.org/licenses/>.
import (
"regexp"
"strings"
"github.com/spf13/cast"
)
type CollectionValue struct {
Name string
Value string
Children map[string]*CollectionValue
}
type Collection struct {
Children map[int]*CollectionValue
}
func NewCollection() *Collection {
return &Collection{
Children: make(map[int]*CollectionValue),
}
}
func NewCollectionValue(name string) *CollectionValue {
return &CollectionValue{
Name: name,
Children: make(map[string]*CollectionValue),
}
}
func (c *Collection) Add(indexes []string, value string) {
firstIndex := cast.ToInt(indexes[0])
size := len(indexes)
child := c.Children[firstIndex]
if child == nil {
child = NewCollectionValue(indexes[0])
c.Children[firstIndex] = child
}
child.Add(indexes[1:size], value, nil)
}
func (c *Collection) Slice() []any {
var result []any
for _, child := range c.Children {
result = append(result, child.Map())
}
return result
}
func (c *CollectionValue) Map() any {
if len(c.Children) == 0 {
return c.Value
}
results := make(map[string]any)
for _, child := range c.Children {
results[child.Name] = child.Map()
}
return results
}
func (c *CollectionValue) Add(indexes []string, value string, lastChild *CollectionValue) {
size := len(indexes)
if size > 0 {
firstIndex := indexes[0]
child := c.Children[firstIndex]
child = NewCollectionValue(indexes[0])
c.Children[firstIndex] = child
child.Add(indexes[1:size], value, child)
} else {
lastChild.Value = value
}
}
func ExtractDataIndexes(value string) []string {
re := regexp.MustCompile(`\[[^\]]+\]`)
items := re.FindAll([]byte(value), -1)
var results []string
for _, i := range items {
results = append(results, strings.Trim(string(i), "[]"))
}
return results
}