mirror of
https://github.com/xiaoqidun/ofdgo.git
synced 2026-10-29 15:06:46 +08:00
109 lines
3.3 KiB
Go
109 lines
3.3 KiB
Go
// Copyright 2025-2026 肖其顿 (XIAO QI DUN)
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ofdgo
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import (
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"encoding/xml"
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"fmt"
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)
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// ofdCreator 标识本库生成的文档
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const ofdCreator = "xiaoqidun/ofdgo"
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// OFD OFD入口结构
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// 代表OFD文档的根节点
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type OFD struct {
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XMLName xml.Name `xml:"OFD"`
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Version string `xml:"Version,attr"`
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DocType string `xml:"DocType,attr"`
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DocBody []DocBody `xml:"DocBody"`
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}
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// DocBody 文档体信息
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// 包含文档元数据和根节点路径
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type DocBody struct {
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DocInfo DocInfo `xml:"DocInfo"`
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DocRoot string `xml:"DocRoot"`
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Signatures string `xml:"Signatures"`
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versioned bool
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}
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// DocInfo 文档元数据
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type DocInfo struct {
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DocID string `xml:"DocID"`
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Title string `xml:"Title"`
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Author string `xml:"Author"`
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Subject string `xml:"Subject"`
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Abstract string `xml:"Abstract"`
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CreationDate string `xml:"CreationDate"`
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ModDate string `xml:"ModDate"`
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Creator string `xml:"Creator"`
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CreatorVersion string `xml:"CreatorVersion"`
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CustomDatas *CustomDatas `xml:"CustomDatas"`
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}
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// CustomDatas 自定义数据集合
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type CustomDatas struct {
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CustomData []CustomData `xml:"CustomData"`
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}
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// CustomData 自定义数据项
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type CustomData struct {
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Name string `xml:"Name,attr"`
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Value string `xml:",chardata"`
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sourceIndex int
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}
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// UnmarshalXML 读取主入口，区分标准文档条目与扩展中的同名节点
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// 入参: decoder XML解码器, start 起始节点
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// 返回: error 解析错误
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func (ofd *OFD) UnmarshalXML(decoder *xml.Decoder, start xml.StartElement) error {
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if start.Name.Local != "OFD" {
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return fmt.Errorf("expected OFD root, got %s", start.Name.Local)
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}
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*ofd = OFD{XMLName: start.Name, Version: attrValue(start, "Version"), DocType: attrValue(start, "DocType")}
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return decodeOFDChildren(decoder, start, func(d *xml.Decoder, node xml.StartElement) error {
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if node.Name.Local != "DocBody" {
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return d.Skip()
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}
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var body DocBody
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if err := d.DecodeElement(&body, &node); err != nil {
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return err
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}
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ofd.DocBody = append(ofd.DocBody, body)
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return nil
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})
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}
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// UnmarshalXML 读取文档入口并记录版本列表是否存在，版本描述在选择时读取
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// 入参: decoder XML解码器, start 起始节点
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// 返回: error 解析错误
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func (body *DocBody) UnmarshalXML(decoder *xml.Decoder, start xml.StartElement) error {
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*body = DocBody{}
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return decodeOFDChildren(decoder, start, func(d *xml.Decoder, node xml.StartElement) error {
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switch node.Name.Local {
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case "DocInfo":
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return d.DecodeElement(&body.DocInfo, &node)
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case "DocRoot":
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return d.DecodeElement(&body.DocRoot, &node)
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case "Signatures":
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return d.DecodeElement(&body.Signatures, &node)
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case "Versions":
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body.versioned = true
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}
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return d.Skip()
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})
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}
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