hl7_net/
sub_component.rs

1use crate::encoding::HL7Encoding;
2
3/// The smallest data unit in an HL7 message: a subcomponent within a component.
4#[derive(Debug, Clone, PartialEq, Eq)]
5pub struct SubComponent {
6    raw: String,
7}
8
9impl SubComponent {
10    /// Creates a subcomponent from its raw (still-encoded) string value.
11    pub fn new(raw: impl Into<String>) -> Self {
12        Self { raw: raw.into() }
13    }
14
15    /// The raw, still-encoded value (the .NET `UndecodedValue`), or `None` when
16    /// the value is the "present but null" marker.
17    pub fn raw(&self, enc: &HL7Encoding) -> Option<&str> {
18        if self.raw == enc.present_but_null {
19            None
20        } else {
21            Some(&self.raw)
22        }
23    }
24
25    /// The decoded value, or `None` when the value is "present but null".
26    pub fn value(&self, enc: &HL7Encoding) -> Option<String> {
27        if self.raw == enc.present_but_null {
28            None
29        } else {
30            Some(enc.decode(&self.raw))
31        }
32    }
33
34    /// Replaces the raw value. The supplied string is stored as-is and escaped on
35    /// serialization (matching the .NET `Value` setter on a leaf element).
36    pub fn set_value(&mut self, value: impl Into<String>) {
37        self.raw = value.into();
38    }
39}
hl7_net/sub_component.rs

hl7_net/
sub_component.rs
