53 lines
2 KiB
Rust
53 lines
2 KiB
Rust
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use stringprep::{nameprep, nodeprep, resourceprep};
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use crate::Error;
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/// The [`NodePart`] is the optional part before the (optional) `@` in any [`Jid`], whether [`BareJid`] or [`FullJid`].
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#[derive(Clone, Debug, PartialEq, Hash, PartialOrd)]
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pub struct NodePart(pub(crate) String);
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fn length_check(len: usize, error_empty: Error, error_too_long: Error) -> Result<(), Error> {
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if len == 0 {
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Err(error_empty)
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} else if len > 1023 {
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Err(error_too_long)
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} else {
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Ok(())
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}
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}
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impl NodePart {
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/// Build a new [`NodePart`] from a string slice. Will fail in case of stringprep validation error.
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pub fn new(s: &str) -> Result<NodePart, Error> {
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let node = nodeprep(s).map_err(|_| Error::NodePrep)?;
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length_check(node.len(), Error::NodeEmpty, Error::NodeTooLong)?;
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Ok(NodePart(node.to_string()))
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}
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}
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/// The [`DomainPart`] is the part between the (optional) `@` and the (optional) `/` in any [`Jid`], whether [`BareJid`] or [`FullJid`].
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#[derive(Clone, Debug, PartialEq, Hash, PartialOrd)]
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pub struct DomainPart(pub(crate) String);
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impl DomainPart {
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/// Build a new [`DomainPart`] from a string slice. Will fail in case of stringprep validation error.
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pub fn new(s: &str) -> Result<DomainPart, Error> {
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let domain = nameprep(s).map_err(|_| Error::NamePrep)?;
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length_check(domain.len(), Error::DomainEmpty, Error::DomainTooLong)?;
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Ok(DomainPart(domain.to_string()))
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}
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}
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/// The [`ResourcePart`] is the optional part after the `/` in a [`Jid`]. It is mandatory in [`FullJid`].
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#[derive(Clone, Debug, PartialEq, Hash, PartialOrd)]
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pub struct ResourcePart(pub(crate) String);
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impl ResourcePart {
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/// Build a new [`ResourcePart`] from a string slice. Will fail in case of stringprep validation error.
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pub fn new(s: &str) -> Result<ResourcePart, Error> {
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let resource = resourceprep(s).map_err(|_| Error::ResourcePrep)?;
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length_check(resource.len(), Error::ResourceEmpty, Error::ResourceTooLong)?;
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Ok(ResourcePart(resource.to_string()))
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}
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}
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