mirror of
https://gitee.com/johng/gf.git
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96 lines
2.5 KiB
Go
96 lines
2.5 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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// Package gxml provides accessing and converting for XML content.
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package gxml
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import (
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"strings"
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"github.com/clbanning/mxj"
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"github.com/gogf/gf/encoding/gcharset"
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"github.com/gogf/gf/text/gregex"
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)
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// Decode parses <content> into and returns as map.
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func Decode(content []byte) (map[string]interface{}, error) {
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res, err := convert(content)
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if err != nil {
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return nil, err
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}
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return mxj.NewMapXml(res)
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}
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// DecodeWithoutRoot parses <content> into a map, and returns the map without root level.
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func DecodeWithoutRoot(content []byte) (map[string]interface{}, error) {
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res, err := convert(content)
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if err != nil {
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return nil, err
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}
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m, err := mxj.NewMapXml(res)
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if err != nil {
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return nil, err
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}
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for _, v := range m {
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if r, ok := v.(map[string]interface{}); ok {
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return r, nil
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}
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}
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return m, nil
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}
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// Encode encodes map <m> to a XML format content as bytes.
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// The optional parameter <rootTag> is used to specify the XML root tag.
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func Encode(m map[string]interface{}, rootTag ...string) ([]byte, error) {
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return mxj.Map(m).Xml(rootTag...)
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}
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// Encode encodes map <m> to a XML format content as bytes with indent.
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// The optional parameter <rootTag> is used to specify the XML root tag.
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func EncodeWithIndent(m map[string]interface{}, rootTag ...string) ([]byte, error) {
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return mxj.Map(m).XmlIndent("", "\t", rootTag...)
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}
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// ToJson converts <content> as XML format into JSON format bytes.
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func ToJson(content []byte) ([]byte, error) {
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res, err := convert(content)
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if err != nil {
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return nil, err
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}
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mv, err := mxj.NewMapXml(res)
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if err == nil {
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return mv.Json()
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} else {
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return nil, err
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}
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}
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// convert converts the encoding of given XML content from XML root tag into UTF-8 encoding content.
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func convert(xml []byte) (res []byte, err error) {
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patten := `<\?xml.*encoding\s*=\s*['|"](.*?)['|"].*\?>`
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matchStr, err := gregex.MatchString(patten, string(xml))
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if err != nil {
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return nil, err
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}
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xmlEncode := "UTF-8"
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if len(matchStr) == 2 {
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xmlEncode = matchStr[1]
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}
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xmlEncode = strings.ToUpper(xmlEncode)
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res, err = gregex.Replace(patten, []byte(""), xml)
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if err != nil {
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return nil, err
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}
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if xmlEncode != "UTF-8" && xmlEncode != "UTF8" {
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dst, err := gcharset.Convert("UTF-8", xmlEncode, string(res))
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if err != nil {
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return nil, err
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}
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res = []byte(dst)
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}
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return res, nil
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}
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