feat(空格处理): 规范空格转义，修复文字错位

ofdgo_editor.go

@@ -1371,13 +1371,13 @@ func ofdNumber(value float64) string {
 	return strconv.FormatFloat(value, 'f', -1, 64)
 }
 
-// escapeOFDText 转义控制字符、反斜线和XML不允许的字符
+// escapeOFDText 转义控制字符和反斜线，空格由XML写出层转义
 // 入参: value 原文
 // 返回: string OFD文字编码
 func escapeOFDText(value string) string {
 	var text strings.Builder
 	for _, char := range value {
-		if char <= ' ' || char == '\\' || char == '\ufffe' || char == '\uffff' {
+		if char < ' ' || char == '\\' || char == '\ufffe' || char == '\uffff' {
 			fmt.Fprintf(&text, "\\%04X", char)
 		} else {
 			text.WriteRune(char)

ofdgo_editor_xml.go

@@ -239,10 +239,19 @@ func editorXMLTextValue(data []byte, node *editorXML, before, after string) ([]b
 	if before == after {
 		return data[node.start:node.end], nil
 	}
+	textCode := node.matchesOFD("TextCode")
+	if textCode {
+		after = textCodeXMLValue(after)
+	}
 	var content bytes.Buffer
 	if err := xml.EscapeText(&content, []byte(after)); err != nil {
 		return nil, err
 	}
+	if textCode && bytes.IndexByte(content.Bytes(), ' ') >= 0 {
+		escaped := bytes.ReplaceAll(content.Bytes(), []byte(" "), []byte(" "))
+		content.Reset()
+		content.Write(escaped)
+	}
 	if node.open < node.close {
 		inner := data[node.open:node.close]
 		decoder := xml.NewDecoder(bytes.NewReader(inner))

ofdgo_text.go

@@ -278,6 +278,19 @@ func textDelta(deltas []float64, index int) (float64, bool) {
 	return deltas[len(deltas)-1], true
 }
 
+// textCodeXMLValue 将空格转义还原为字符，供XML写出层统一编码
+// 入参: value OFD文字编码
+// 返回: string 待写出的文字编码
+func textCodeXMLValue(value string) string {
+	if !strings.Contains(value, `\0020`) {
+		return value
+	}
+	if strings.ContainsAny(value, "\r\n") {
+		return escapeOFDText(string(textCodeRunes(value)))
+	}
+	return strings.ReplaceAll(value, `\0020`, " ")
+}
+
 // textCodeRunes 获取文本编码字符
 // 入参: value 文本编码内容
 // 返回: []rune 文本字符

ofdgo_writer.go

@@ -1107,6 +1107,7 @@ func (x *ofdXML) textCode(value string, attrs ofdAttrs) {
 	if !x.checkContext() {
 		return
 	}
+	value = textCodeXMLValue(value)
 	x.escaped.Reset()
 	if x.err = xml.EscapeText(&x.escaped, []byte(value)); x.err != nil {
 		return