46 lines
971 B
Rust
46 lines
971 B
Rust
const VCARD_HEADER: &str = "BEGIN:VCARD\nVERSION:4.0\n";
|
|
const VCARD_FOOTER: &str = "END:VCARD";
|
|
|
|
pub struct VCard {
|
|
buf: String,
|
|
}
|
|
|
|
impl VCard {
|
|
pub fn new() -> Self {
|
|
VCard {
|
|
buf: VCARD_HEADER.into(),
|
|
}
|
|
}
|
|
|
|
pub fn push<P, V>(&mut self, property: P, value: V)
|
|
where
|
|
P: AsRef<str>,
|
|
V: AsRef<str>,
|
|
{
|
|
self.buf
|
|
.push_str(&format!("{}:{}\n", property.as_ref(), value.as_ref()))
|
|
}
|
|
|
|
pub fn optional_push<P, V>(&mut self, property: P, value: V)
|
|
where
|
|
P: AsRef<str>,
|
|
V: AsRef<str>,
|
|
{
|
|
if !value.as_ref().is_empty() {
|
|
self.push(property, value)
|
|
}
|
|
}
|
|
|
|
pub fn push_explicit<T>(&mut self, data: T)
|
|
where
|
|
T: AsRef<str>,
|
|
{
|
|
self.buf.push_str(&format!("{}\n", data.as_ref()))
|
|
}
|
|
|
|
pub fn finalize(mut self) -> String {
|
|
self.push_explicit(VCARD_FOOTER);
|
|
self.buf.trim().to_owned()
|
|
}
|
|
}
|