feat(文件归并): 归并PDF适配与解析逻辑
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xiaoqidun committed 2026-10-14 09:22:47 +08:00
1 parent b3c4bbc844
commit 961bc52038
43 files changed
+2283 -2594

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@@ -16,6 +16,7 @@ package ofdgo
import (
"bytes"
"context"
"crypto/sha256"
"errors"
"fmt"
@@ -36,6 +37,32 @@ type pdfEmbeddedFile struct {
data []byte
}
// documentAttachments 导入文档名称树中的附件,与注解及动作引用共用附件资源
// 入参: ctx 取消上下文
// 返回: error 名称树、附件读取或写入错误
func (p *pdfImporter) documentAttachments(ctx context.Context) error {
return p.reader.WalkEmbeddedFiles(ctx, func(_ string, file pdfgo.FileSpecification) error {
if file.Embedded == nil {
if p.warning == nil {
return fmt.Errorf("PDF embedded file has no embedded data")
}
p.warning(pdfgo.Diagnostic{Message: "PDF embedded file without embedded data ignored"})
return nil
}
data, err := file.Embedded.DecodeContext(ctx)
if err != nil {
var unsupported *pdfgo.UnsupportedError
if p.warning != nil && errors.As(err, &unsupported) {
p.warning(pdfgo.Diagnostic{Message: "PDF document attachment not transferred to OFD: " + err.Error()})
return nil
}
return err
}
_, err = p.attachmentFile(file.Name, data)
return err
})
}
// launchLinkAction 保留文件打开目标,不执行应用程序或猜测平台启动参数
// 入参: object 启动动作, strict 是否禁止启动语义损失
// 返回: *Action 附件动作, error 解析、取消或无法表达的语义