932 lines
28 KiB
Rust
932 lines
28 KiB
Rust
// #![warn(missing_docs)]
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/*!
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Lenient parser or Semantic Version ranges.
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*/
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use lenient_semver_parser::{parse_partial, VersionBuilder};
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use lenient_version::Version;
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pub fn parse<'a>(input: &'a str) -> Result<RangeSet<'a>, Box<dyn std::error::Error + 'a>> {
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parse_compat(input, Compat::Cargo)
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}
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pub fn parse_npm<'a>(input: &'a str) -> Result<RangeSet<'a>, Box<dyn std::error::Error + 'a>> {
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parse_compat(input, Compat::Npm)
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}
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pub fn parse_compat<'a>(
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mut input: &'a str,
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compat: Compat,
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) -> Result<RangeSet<'a>, Box<dyn std::error::Error + 'a>> {
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let default_op = match compat {
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Compat::Cargo => Op::Caret,
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Compat::Npm => Op::Eq,
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};
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let mut ranges = vec![];
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let mut comparators = vec![];
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let mut allow_chain_operators = true;
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loop {
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let (op, next_input) = match input.as_bytes() {
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&[] => {
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if !comparators.is_empty() {
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ranges.push(Range { comparators });
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}
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return Ok(RangeSet { ranges });
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}
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&[b'|', b'|', ..] if allow_chain_operators => {
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let comparators = std::mem::take(&mut comparators);
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ranges.push(Range { comparators });
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input = &input[2..];
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allow_chain_operators = false;
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continue;
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}
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&[b',', ..] if allow_chain_operators => {
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input = &input[1..];
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allow_chain_operators = false;
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continue;
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}
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&[b' ', ..] if allow_chain_operators => {
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input = &input[1..];
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continue;
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}
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&[b'-', ..] => (Op::Hyphen, &input[1..]),
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&[b'^', ..] => (Op::Caret, &input[1..]),
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&[b'~', ..] => (Op::Tilde, &input[1..]),
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&[b'>', b'=', ..] => (Op::Gte, &input[2..]),
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&[b'>', ..] => (Op::Gt, &input[1..]),
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&[b'<', b'=', ..] => (Op::Lte, &input[2..]),
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&[b'<', ..] => (Op::Lt, &input[1..]),
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&[b'=', ..] => (Op::Eq, &input[1..]),
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_ => (default_op, input),
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};
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let (version, remainder) = parse_partial::<VersionQualifier<'a>>(next_input)?;
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let prev = if op == Op::Hyphen {
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let prev = comparators
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.pop()
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.ok_or_else(|| String::from("The hyphen operator requires a previous range"))?;
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if prev.op != Operator::Eq {
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Err(format!(
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"The hyphen operator does not allow the previous range to use an operator, but the version [{}] is using the operator [{:?}]",
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prev.version, prev.op
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))?;
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}
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Some(prev.version)
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} else {
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None
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};
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let ((op, version), other) = version.into_versions(op, prev);
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comparators.push(Comparator { op, version });
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if let Some((op, version)) = other {
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comparators.push(Comparator { op, version });
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}
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input = remainder;
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}
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}
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#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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pub struct RangeSet<'input> {
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ranges: Vec<Range<'input>>,
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}
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#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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pub enum Compat {
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/// default operator is ^
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Cargo,
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/// default opertaor is =
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Npm,
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}
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#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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struct Range<'input> {
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comparators: Vec<Comparator<'input>>,
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}
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#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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struct Comparator<'input> {
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op: Operator,
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version: Version<'input>,
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}
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#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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enum Operator {
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/// Equal, =
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Eq,
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/// Greater than, >
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Gt,
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/// Greater than or equal, >=
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Gte,
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/// Less than, <
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Lt,
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/// Less than or equal, <=
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Lte,
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}
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#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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enum Op {
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Eq,
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Gt,
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Gte,
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Lt,
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Lte,
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Tilde,
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Caret,
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Hyphen,
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}
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#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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enum VersionNumber {
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Unspecified,
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Wildcard,
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Num(u64),
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}
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#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
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enum Segment {
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Empty,
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Major,
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Minor,
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Patch,
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Additional,
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PreRelease,
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}
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impl From<VersionNumber> for u64 {
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fn from(v: VersionNumber) -> Self {
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match v {
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VersionNumber::Unspecified => 0,
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VersionNumber::Wildcard => 0,
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VersionNumber::Num(n) => n,
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}
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}
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}
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#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
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struct VersionQualifier<'input> {
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segment: Segment,
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major: VersionNumber,
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minor: VersionNumber,
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patch: VersionNumber,
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additional: Vec<VersionNumber>,
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pre: Vec<&'input str>,
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build: Vec<&'input str>,
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}
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impl<'input> VersionQualifier<'input> {
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const fn empty() -> Self {
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Self {
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segment: Segment::Empty,
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major: VersionNumber::Unspecified,
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minor: VersionNumber::Unspecified,
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patch: VersionNumber::Unspecified,
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additional: Vec::new(),
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pre: Vec::new(),
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build: Vec::new(),
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}
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}
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}
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impl<'input> VersionBuilder<'input> for VersionQualifier<'input> {
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type Out = Self;
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fn new() -> Self {
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Self::empty()
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}
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fn set_major(&mut self, major: u64) {
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self.major = VersionNumber::Num(major);
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self.segment = Segment::Major;
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}
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fn set_minor(&mut self, minor: u64) {
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self.minor = VersionNumber::Num(minor);
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self.segment = Segment::Minor;
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}
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fn set_patch(&mut self, patch: u64) {
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self.patch = VersionNumber::Num(patch);
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self.segment = Segment::Patch;
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}
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fn add_additional(&mut self, num: u64) {
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self.additional.push(VersionNumber::Num(num));
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self.segment = Segment::Additional;
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}
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fn add_pre_release(&mut self, pre_release: &'input str) {
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if matches!(pre_release, "x" | "X" | "*" | "?") {
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if self.major == VersionNumber::Unspecified {
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self.major = VersionNumber::Wildcard;
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} else if self.minor == VersionNumber::Unspecified {
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self.minor = VersionNumber::Wildcard;
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} else if self.patch == VersionNumber::Unspecified {
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self.patch = VersionNumber::Wildcard;
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} else if self.segment == Segment::PreRelease {
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self.pre.push(pre_release);
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} else {
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self.additional.push(VersionNumber::Wildcard);
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}
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} else {
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self.pre.push(pre_release);
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self.segment = Segment::PreRelease;
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}
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}
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fn add_build(&mut self, build: &'input str) {
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self.build.push(build)
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}
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fn build(self) -> Self::Out {
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self
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}
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}
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impl<'input> VersionQualifier<'input> {
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fn into_versions(
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self,
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op: Op,
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prev: Option<Version<'input>>,
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) -> (
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(Operator, Version<'input>),
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Option<(Operator, Version<'input>)>,
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) {
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match op {
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Op::Eq | Op::Gt | Op::Gte | Op::Lt | Op::Lte => (
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(
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match op {
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Op::Eq => Operator::Eq,
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Op::Gt => Operator::Gt,
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Op::Gte => Operator::Gte,
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Op::Lt => Operator::Lt,
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Op::Lte => Operator::Lte,
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Op::Tilde => unreachable!(),
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Op::Caret => unreachable!(),
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Op::Hyphen => unreachable!(),
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},
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Version {
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major: self.major.into(),
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minor: self.minor.into(),
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patch: self.patch.into(),
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additional: self.additional.into_iter().map(u64::from).collect(),
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pre: self.pre,
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build: self.build,
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},
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),
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None,
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),
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Op::Tilde => match self.segment {
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Segment::Empty => ((Operator::Gte, Version::new(0, 0, 0)), None),
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Segment::Major => {
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let major = u64::from(self.major);
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(
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(Operator::Gte, Version::new(major, 0, 0)),
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major
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(m, 0, 0))),
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)
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}
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Segment::Minor => {
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let major = u64::from(self.major);
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let minor = u64::from(self.minor);
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(
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(Operator::Gte, Version::new(major, minor, 0)),
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minor
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(major, m, 0))),
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)
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}
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Segment::Patch => {
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let major = u64::from(self.major);
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let minor = u64::from(self.minor);
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let patch = u64::from(self.patch);
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(
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(Operator::Gte, Version::new(major, minor, patch)),
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minor
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(major, minor, m))),
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)
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}
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Segment::Additional => {
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let major = u64::from(self.major);
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let minor = u64::from(self.minor);
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let patch = u64::from(self.patch);
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let mut min = Version::new(major, minor, patch);
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min.additional = self.additional.into_iter().map(u64::from).collect();
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let max = min
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.additional
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.last()
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.expect("empty additional")
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.checked_add(1)
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.map(|m| {
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let mut add = min.additional.clone();
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*add.last_mut().expect("empty additional") = m;
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let mut max = Version::new(major, minor, patch);
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max.additional = add;
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(Operator::Lt, max)
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});
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((Operator::Gte, min), max)
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}
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Segment::PreRelease => {
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let min = Version {
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major: u64::from(self.major),
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minor: u64::from(self.minor),
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patch: u64::from(self.patch),
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additional: self.additional.into_iter().map(u64::from).collect(),
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pre: self.pre,
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build: self.build,
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};
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let max = min.clone();
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((Operator::Gte, min), Some((Operator::Lt, max)))
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}
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},
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Op::Caret => {
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let major = u64::from(self.major);
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let minor = u64::from(self.minor);
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let patch = u64::from(self.patch);
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if major > 0 {
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(
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(Operator::Gte, Version::new(major, minor, patch)),
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major
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(m, 0, 0))),
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)
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} else if minor > 0 {
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(
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(Operator::Gte, Version::new(0, minor, patch)),
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minor
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(0, m, 0))),
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)
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} else if patch > 0 {
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(
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(Operator::Gte, Version::new(0, 0, patch)),
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patch
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(0, 0, m))),
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)
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} else {
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match self.segment {
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Segment::Major => (
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(Operator::Gte, Version::empty()),
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Some((Operator::Lt, Version::new(1, 0, 0))),
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),
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Segment::Minor => (
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(Operator::Gte, Version::empty()),
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Some((Operator::Lt, Version::new(0, 1, 0))),
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),
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Segment::Patch => (
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(Operator::Gte, Version::empty()),
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Some((Operator::Lt, Version::new(0, 0, 1))),
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),
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Segment::Empty => {
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todo!()
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}
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Segment::Additional => {
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todo!()
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}
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Segment::PreRelease => {
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todo!()
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}
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}
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}
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}
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Op::Hyphen => {
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let prev = (Operator::Gte, prev.expect("previous version"));
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let next = match self.segment {
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Segment::Empty => None,
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Segment::Major => {
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let major = u64::from(self.major);
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major
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(m, 0, 0)))
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}
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Segment::Minor => {
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let major = u64::from(self.major);
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let minor = u64::from(self.minor);
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minor
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.checked_add(1)
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.map(|m| (Operator::Lt, Version::new(major, m, 0)))
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}
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_ => Some(self.into_versions(Op::Lte, None).0),
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};
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(prev, next)
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}
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_hyphen_1() {
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assert_eq!(
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parse("1.2.3 - 2.3.4").unwrap(),
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RangeSet {
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ranges: vec![Range {
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comparators: vec![
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Comparator {
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op: Operator::Gte,
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version: Version::new(1, 2, 3)
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},
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Comparator {
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op: Operator::Lte,
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version: Version::new(2, 3, 4)
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},
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]
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}]
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}
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);
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}
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|
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|
#[test]
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fn test_hyphen_2() {
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assert_eq!(
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parse("1.2 - 2.3.4").unwrap(),
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RangeSet {
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ranges: vec![Range {
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comparators: vec![
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Comparator {
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op: Operator::Gte,
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version: Version::new(1, 2, 0)
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},
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Comparator {
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op: Operator::Lte,
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version: Version::new(2, 3, 4)
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},
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]
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}]
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}
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);
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|
}
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|
|
|
#[test]
|
|
fn test_hyphen_3() {
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assert_eq!(
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parse("1.2.3 - 2.3").unwrap(),
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RangeSet {
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ranges: vec![Range {
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comparators: vec![
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|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 3)
|
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},
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Comparator {
|
|
op: Operator::Lt,
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version: Version::new(2, 4, 0)
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},
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|
]
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}]
|
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}
|
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);
|
|
}
|
|
|
|
#[test]
|
|
fn test_hyphen_4() {
|
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assert_eq!(
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parse("1.2.3 - 2").unwrap(),
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|
RangeSet {
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ranges: vec![Range {
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|
comparators: vec![
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|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 3)
|
|
},
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|
Comparator {
|
|
op: Operator::Lt,
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|
version: Version::new(3, 0, 0)
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},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_x_1() {
|
|
assert_eq!(
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parse("*").unwrap(),
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RangeSet {
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ranges: vec![Range {
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comparators: vec![Comparator {
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op: Operator::Gte,
|
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version: Version::new(0, 0, 0)
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},]
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}]
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}
|
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);
|
|
}
|
|
|
|
#[test]
|
|
fn test_x_2() {
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|
assert_eq!(
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parse("1.x").unwrap(),
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|
RangeSet {
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|
ranges: vec![Range {
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|
comparators: vec![
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|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
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},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_x_3() {
|
|
assert_eq!(
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parse("1.2.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(1, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_x_4() {
|
|
assert_eq!(
|
|
parse("").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 0)
|
|
},]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_x_5() {
|
|
assert_eq!(
|
|
parse("1.x.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_1() {
|
|
assert_eq!(
|
|
parse("~1.2.3").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 3)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(1, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_2() {
|
|
assert_eq!(
|
|
parse("~1.2").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(1, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_3() {
|
|
assert_eq!(
|
|
parse("~1").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_4() {
|
|
assert_eq!(
|
|
parse("~0.2.3").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 2, 3)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_5() {
|
|
assert_eq!(
|
|
parse("~0.2").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 2, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_tilde_6() {
|
|
assert_eq!(
|
|
parse("~0").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_1() {
|
|
assert_eq!(
|
|
parse("^1.2.3").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 3)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_2() {
|
|
assert_eq!(
|
|
parse("^0.2.3").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 2, 3)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 3, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_3() {
|
|
assert_eq!(
|
|
parse("^0.0.3").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 3)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 0, 4)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_4() {
|
|
assert_eq!(
|
|
parse("^1.2.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_5() {
|
|
assert_eq!(
|
|
parse("^0.0.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 1, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_6() {
|
|
assert_eq!(
|
|
parse("^0.0").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(0, 1, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_7() {
|
|
assert_eq!(
|
|
parse("^1.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_caret_8() {
|
|
assert_eq!(
|
|
parse("^0.x").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(0, 0, 0)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(1, 0, 0)
|
|
},
|
|
]
|
|
}]
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_or_1() {
|
|
assert_eq!(
|
|
parse("1.2.7 || >=1.2.9 <2.0.0").unwrap(),
|
|
RangeSet {
|
|
ranges: vec![
|
|
Range {
|
|
comparators: vec![Comparator {
|
|
op: Operator::Eq,
|
|
version: Version::new(1, 2, 7)
|
|
},]
|
|
},
|
|
Range {
|
|
comparators: vec![
|
|
Comparator {
|
|
op: Operator::Gte,
|
|
version: Version::new(1, 2, 9)
|
|
},
|
|
Comparator {
|
|
op: Operator::Lt,
|
|
version: Version::new(2, 0, 0)
|
|
},
|
|
]
|
|
},
|
|
]
|
|
}
|
|
);
|
|
}
|
|
}
|