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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| use serde::{Deserialize, Serialize}; | ||
| use std::fmt::{Display, Formatter}; | ||
| use std::str::FromStr; | ||
|
|
||
| #[derive(Debug, Eq, PartialEq, Hash, Clone, Serialize, Deserialize)] | ||
| #[serde(transparent)] | ||
| // https://www.debian.org/doc/debian-policy/ch-controlfields.html#source | ||
| pub(crate) struct DebianPackageName(pub(crate) String); | ||
|
|
||
| impl FromStr for DebianPackageName { | ||
| type Err = ParseDebianPackageNameError; | ||
|
|
||
| fn from_str(value: &str) -> Result<Self, Self::Err> { | ||
| // Package names (both source and binary, see Package) must consist only of | ||
| // lower case letters (a-z), digits (0-9), plus (+) and minus (-) signs, | ||
| // and periods (.). They must be at least two characters long and must | ||
| // start with an alphanumeric character. | ||
| let is_valid_package_name = value | ||
| .chars() | ||
| .all(|c| matches!(c, 'a'..='z' | '0'..='9' | '+' | '-' | '.')) | ||
| && value.chars().count() >= 2 | ||
| && value.starts_with(|c: char| c.is_ascii_alphanumeric()); | ||
|
|
||
| if is_valid_package_name { | ||
| Ok(DebianPackageName(value.to_string())) | ||
| } else { | ||
| Err(ParseDebianPackageNameError(value.to_string())) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, PartialEq)] | ||
| pub(crate) struct ParseDebianPackageNameError(pub(crate) String); | ||
|
|
||
| #[derive(Debug, PartialEq)] | ||
| #[allow(non_camel_case_types)] | ||
| // https://wiki.debian.org/Multiarch/Tuples | ||
| pub(crate) enum DebianArchitectureName { | ||
| AMD_64, | ||
| } | ||
|
|
||
| impl FromStr for DebianArchitectureName { | ||
| type Err = ParseDebianArchitectureNameError; | ||
|
|
||
| fn from_str(value: &str) -> Result<Self, Self::Err> { | ||
| match value { | ||
| "amd64" => Ok(DebianArchitectureName::AMD_64), | ||
| _ => Err(ParseDebianArchitectureNameError(value.to_string())), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug)] | ||
| pub(crate) struct ParseDebianArchitectureNameError(String); | ||
|
|
||
| #[derive(Debug, PartialEq)] | ||
| #[allow(non_camel_case_types)] | ||
| // https://wiki.debian.org/Multiarch/Tuples | ||
| pub(crate) enum DebianMultiarchName { | ||
| X86_64_LINUX_GNU, | ||
| } | ||
|
|
||
| impl From<DebianArchitectureName> for DebianMultiarchName { | ||
| fn from(value: DebianArchitectureName) -> Self { | ||
| match value { | ||
| DebianArchitectureName::AMD_64 => DebianMultiarchName::X86_64_LINUX_GNU, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| impl Display for DebianMultiarchName { | ||
| fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { | ||
| match self { | ||
| DebianMultiarchName::X86_64_LINUX_GNU => write!(f, "x86_64-linux-gnu"), | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use super::*; | ||
|
|
||
| #[test] | ||
| fn parse_valid_debian_package_name() { | ||
| let valid_names = [ | ||
| "a0", // min length, starting with number | ||
| "0a", // min length, starting with letter | ||
| "g++", // alphanumeric to start followed by non-alphanumeric characters | ||
| "libevent-2.1-6", // just a mix of allowed characters | ||
| "a0+.-", // all the allowed characters | ||
| ]; | ||
| for valid_name in valid_names { | ||
| assert_eq!( | ||
| DebianPackageName::from_str(valid_name).unwrap(), | ||
| DebianPackageName(valid_name.to_string()) | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| #[test] | ||
| fn parse_invalid_debian_package_name() { | ||
| let invalid_names = [ | ||
| "a", // too short | ||
| "+a", // can't start with non-alphanumeric character | ||
| "ab_c", // can't contain invalid characters | ||
| "aBc", // uppercase is not allowed | ||
| "package=1.2.3-1", // versioning is not allowed, package name only | ||
| ]; | ||
| for invalid_name in invalid_names { | ||
| assert_eq!( | ||
| DebianPackageName::from_str(invalid_name).unwrap_err(), | ||
| ParseDebianPackageNameError(invalid_name.to_string()) | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| #[test] | ||
| fn parse_value_debian_architecture_name() { | ||
| assert_eq!( | ||
| DebianArchitectureName::AMD_64, | ||
| DebianArchitectureName::from_str("amd64").unwrap() | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn parse_invalid_debian_architecture_name() { | ||
| match DebianArchitectureName::from_str("???").unwrap_err() { | ||
| ParseDebianArchitectureNameError(value) => assert_eq!(value, "???"), | ||
| } | ||
| } | ||
|
|
||
| #[test] | ||
| fn converting_debian_architecture_name_to_multiarch_name() { | ||
| assert_eq!( | ||
| DebianMultiarchName::from(DebianArchitectureName::AMD_64), | ||
| DebianMultiarchName::X86_64_LINUX_GNU | ||
| ); | ||
| } | ||
|
|
||
| #[test] | ||
| fn display_debian_to_multiarch_name() { | ||
| assert_eq!( | ||
| DebianMultiarchName::X86_64_LINUX_GNU.to_string(), | ||
| "x86_64-linux-gnu" | ||
| ); | ||
| } | ||
| } |
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