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use anyhow::bail;
use quick_xml::events::BytesStart;
use crate::helper::string_to_unsignedint;
/// https://learn.microsoft.com/en-us/dotnet/api/documentformat.openxml.drawing.endconnection?view=openxml-3.0.1
///
/// This element specifies the ending connection that should be made by the corresponding connector shape.
/// This connects the end tail of the connector to the final destination shape.
///
/// Example:
/// ```
/// <a:endCxn id="3" idx="1" />
/// ```
///
/// endCxn (Connection End)
#[derive(Debug, Clone, PartialEq)]
pub struct XlsxEndConnection {
// Attributes
/// id (Identifier)
///
/// an unsigned integer Specifies the id of the shape to make the final connection to.
pub id: Option<u64>,
/// idx (Index)
///
/// Specifies the index into the connection site table of the final connection shape.
/// That is there are many connection sites on a shape and it shall be specified which connection site the corresponding connector shape should connect to.
pub index: Option<u64>,
}
impl XlsxEndConnection {
pub(crate) fn load(e: &BytesStart) -> anyhow::Result<Self> {
let mut end_connection = Self {
id: None,
index: None,
};
let attributes = e.attributes();
for a in attributes {
match a {
Ok(a) => {
let string_value = String::from_utf8(a.value.to_vec())?;
match a.key.local_name().as_ref() {
b"id" => {
end_connection.id = string_to_unsignedint(&string_value);
}
b"idx" => {
end_connection.index = string_to_unsignedint(&string_value);
}
_ => {}
}
}
Err(error) => {
bail!(error.to_string())
}
}
}
return Ok(end_connection);
}
}