quickfix_spec_parser/model/
message.rs

1use std::io;
2
3use quick_xml::events::BytesStart;
4
5use crate::{
6    read_attribute, write_xml_list, FieldValue, FixSpecError, MessageCategory, XmlObject,
7    XmlReadable, XmlReader, XmlWritable, XmlWriter,
8};
9
10/// XML `<message>` description.
11#[derive(Debug, Clone)]
12pub struct Message {
13    /// Message name.
14    pub name: String,
15    /// `msgtype`.
16    pub msg_type: String,
17    /// Category level.
18    pub category: MessageCategory,
19    /// Possible sub-components.
20    pub values: Vec<FieldValue>,
21}
22
23impl XmlObject for Message {
24    const TAG_NAME: &'static str = "message";
25}
26
27impl XmlReadable for Message {
28    fn parse_xml_node(element: &BytesStart) -> Result<Self, FixSpecError> {
29        let name = read_attribute(element, "name")?;
30        let msg_type = read_attribute(element, "msgtype")?;
31        let category = MessageCategory::parse_xml_element(element)?;
32
33        Ok(Self {
34            name,
35            msg_type,
36            category,
37            values: Vec::new(),
38        })
39    }
40
41    fn parse_xml_tree(element: &BytesStart, reader: &mut XmlReader) -> Result<Self, FixSpecError> {
42        let mut output = Self::parse_xml_node(element)?;
43        output.values = FieldValue::parse_xml_tree(reader, Self::TAG_NAME)?;
44        Ok(output)
45    }
46}
47
48impl XmlWritable for Message {
49    fn write_xml<'a>(&self, writer: &'a mut XmlWriter) -> io::Result<&'a mut XmlWriter> {
50        let element = writer
51            .create_element(Self::TAG_NAME)
52            .with_attribute(("name", self.name.as_str()))
53            .with_attribute(("msgtype", self.msg_type.as_str()))
54            .with_attribute(("msgcat", self.category.as_static_str()));
55
56        if self.values.is_empty() {
57            element.write_empty()
58        } else {
59            element.write_inner_content(|writer| write_xml_list(writer, &self.values))
60        }
61    }
62}
quickfix_spec_parser/model/message.rs

quickfix_spec_parser/model/
message.rs
