Quellcode-Bibliothek names.rs

//! Definitions of name-related helpers and newtypes, primarily for the
//! component model.

use crate:prelude:*;
use crate::{Result, WasmFeatures};
use core::borrow::Borrow;
use core::cmp::Ordering;
use core::fmt;
use core::hash::{Hash, Hasher};
use core::ops::Deref;
use semver::Version;

/// Represents a kebab string slice used in validation.
///
/// This is a wrapper around `str` that ensures the slice is
/// a valid kebab case string according to the component model
/// specification.
///
/// It also provides an equality and hashing implementation
/// that ignores ASCII case.
#[derive(Debug, Eq)]
#[repr(transparent)]
pub struct KebabStr(str);

impl KebabStr {
    /// Creates a new kebab string slice.
    ///
    /// Returns `None` if the given string is not a valid kebab string.
    pub fn new<'a>(s: impl AsRef<str> + 'a) -> Option<&'a Self> {
        let s = Self::new_unchecked(s);
        if s.is_kebab_case() { Some(s) } else { None }
    }

    pub(crate) fn new_unchecked<'a>(s: impl AsRef<str> + 'a) -> &'a Self {
        // Safety: `KebabStr` is a transparent wrapper around `str`
        // Therefore transmuting `&str` to `&KebabStr` is safe.
        #[allow(unsafe_code)]
        unsafe {
            core::mem::transmute::<_, &Self>(s.as_ref())
        }
    }

    /// Gets the underlying string slice.
    pub fn as_str(&self) -> &str {
        &self.0
    }

    /// Converts the slice to an owned string.
    pub fn to_kebab_string(&self) -> KebabString {
        KebabString(self.to_string())
    }

    fn is_kebab_case(&self) -> bool {
        let mut lower = false;
        let mut upper = false;
        let mut is_first = true;
        let mut has_digit = false;
        for c in self.chars() {
            match c {
                'a'..='z' if !lower && !upper => lower = true,
                'A'..='Z' if !lower && !upper => upper = true,
                '0'..='9' if !lower && !upper && !is_first => has_digit = true,
                'a'..='z' if lower => {}
                'A'..='Z' if upper => {}
                '0'..='9' if lower || upper => has_digit = true,
                '-' if lower || upper || has_digit => {
                    lower = false;
                    upper = false;
                    is_first = false;
                    has_digit = false;
                }
                _ => return false,
            }
        }

        !self.is_empty() && !self.ends_with('-')
    }
}

impl Deref for KebabStr {
    type Target = str;

    fn deref(&self) -> &str {
        self.as_str()
    }
}

impl PartialEq for KebabStr {
    fn eq(&self, other: &Self) -> bool {
        if self.len() != other.len() {
            return false;
        }

        self.chars()
            .zip(other.chars())
            .all(|(a, b)| a.to_ascii_lowercase() == b.to_ascii_lowercase())
    }
}

impl PartialEq<KebabString> for KebabStr {
    fn eq(&self, other: &KebabString) -> bool {
        self.eq(other.as_kebab_str())
    }
}

impl Ord for KebabStr {
    fn cmp(&self, other: &Self) -> Ordering {
        let self_chars = self.chars().map(|c| c.to_ascii_lowercase());
        let other_chars = other.chars().map(|c| c.to_ascii_lowercase());
        self_chars.cmp(other_chars)
    }
}

impl PartialOrd for KebabStr {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Hash for KebabStr {
    fn hash<H: Hasher>(&self, state: &mut H) {
        self.len().hash(state);

        for b in self.chars() {
            b.to_ascii_lowercase().hash(state);
        }
    }
}

impl fmt::Display for KebabStr {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        (self as &str).fmt(f)
    }
}

impl ToOwned for KebabStr {
    type Owned = KebabString;

    fn to_owned(&self) -> Self::Owned {
        self.to_kebab_string()
    }
}

/// Represents an owned kebab string for validation.
///
/// This is a wrapper around `String` that ensures the string is
/// a valid kebab case string according to the component model
/// specification.
///
/// It also provides an equality and hashing implementation
/// that ignores ASCII case.
#[derive(Debug, Clone, Eq)]
pub struct KebabString(String);

impl KebabString {
    /// Creates a new kebab string.
    ///
    /// Returns `None` if the given string is not a valid kebab string.
    pub fn new(s: impl Into<String>) -> Option<Self> {
        let s = s.into();
        if KebabStr::new(&s).is_some() {
            Some(Self(s))
        } else {
            None
        }
    }

    /// Gets the underlying string.
    pub fn as_str(&self) -> &str {
        self.0.as_str()
    }

    /// Converts the kebab string to a kebab string slice.
    pub fn as_kebab_str(&self) -> &KebabStr {
        // Safety: internal string is always valid kebab-case
        KebabStr::new_unchecked(self.as_str())
    }
}

impl Deref for KebabString {
    type Target = KebabStr;

    fn deref(&self) -> &Self::Target {
        self.as_kebab_str()
    }
}

impl Borrow<KebabStr> for KebabString {
    fn borrow(&self) -> &KebabStr {
        self.as_kebab_str()
    }
}

impl Ord for KebabString {
    fn cmp(&self, other: &Self) -> Ordering {
        self.as_kebab_str().cmp(other.as_kebab_str())
    }
}

impl PartialOrd for KebabString {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        self.as_kebab_str().partial_cmp(other.as_kebab_str())
    }
}

impl PartialEq for KebabString {
    fn eq(&self, other: &Self) -> bool {
        self.as_kebab_str().eq(other.as_kebab_str())
    }
}

impl PartialEq<KebabStr> for KebabString {
    fn eq(&self, other: &KebabStr) -> bool {
        self.as_kebab_str().eq(other)
    }
}

impl Hash for KebabString {
    fn hash<H: Hasher>(&self, state: &mut H) {
        self.as_kebab_str().hash(state)
    }
}

impl fmt::Display for KebabString {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.as_kebab_str().fmt(f)
    }
}

impl From<KebabString> for String {
    fn from(s: KebabString) -> String {
        s.0
    }
}

/// An import or export name in the component model which is backed by `T`,
/// which defaults to `String`.
///
/// This name can be either:
///
/// * a plain label or "kebab string": `a-b-c`
/// * a plain method name : `[method]a-b.c-d`
/// * a plain static method name : `[static]a-b.c-d`
/// * a plain constructor: `[constructor]a-b`
/// * an interface name: `wasi:cli/reactor@0.1.0`
/// * a dependency name: `locked-dep=foo:bar/baz`
/// * a URL name: `url=https://..`
/// * a hash name: `integrity=sha256:...`
///
/// # Equality and hashing
///
/// Note that this type the `[method]...` and `[static]...` variants are
/// considered equal and hash to the same value. This enables disallowing
/// clashes between the two where method name overlap cannot happen.
#[derive(Clone)]
pub struct ComponentName {
    raw: String,
    kind: ParsedComponentNameKind,
}

#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
enum ParsedComponentNameKind {
    Label,
    Constructor,
    Method,
    Static,
    Interface,
    Dependency,
    Url,
    Hash,
}

/// Created via [`ComponentName::kind`] and classifies a name.
#[derive(Debug, Clone)]
pub enum ComponentNameKind<'a> {
    /// `a-b-c`
    Label(&'a KebabStr),
    /// `[constructor]a-b`
    Constructor(&'a KebabStr),
    /// `[method]a-b.c-d`
    #[allow(missing_docs)]
    Method(ResourceFunc<'a>),
    /// `[static]a-b.c-d`
    #[allow(missing_docs)]
    Static(ResourceFunc<'a>),
    /// `wasi:http/types@2.0`
    #[allow(missing_docs)]
    Interface(InterfaceName<'a>),
    /// `locked-dep=foo:bar/baz`
    #[allow(missing_docs)]
    Dependency(DependencyName<'a>),
    /// `url=https://...`
    #[allow(missing_docs)]
    Url(UrlName<'a>),
    /// `integrity=sha256:...`
    #[allow(missing_docs)]
    Hash(HashName<'a>),
}

const CONSTRUCTOR: &str = "[constructor]";
const METHOD: &str = "[method]";
const STATIC: &str = "[static]";

impl ComponentName {
    /// Attempts to parse `name` as a valid component name, returning `Err` if
    /// it's not valid.
    pub fn new(name: &str, offset: usize) -> Result<ComponentName> {
        Self::new_with_features(name, offset, WasmFeatures::default())
    }

    /// Attempts to parse `name` as a valid component name, returning `Err` if
    /// it's not valid.
    ///
    /// `features` can be used to enable or disable validation of certain forms
    /// of supported import names.
    pub fn new_with_features(name: &str, offset: usize, features: WasmFeatures) -> Result<Self> {
        let mut parser = ComponentNameParser {
            next: name,
            offset,
            features,
        };
        let kind = parser.parse()?;
        if !parser.next.is_empty() {
            bail!(offset, "trailing characters found: `{}`", parser.next);
        }
        Ok(ComponentName {
            raw: name.to_string(),
            kind,
        })
    }

    /// Returns the [`ComponentNameKind`] corresponding to this name.
    pub fn kind(&self) -> ComponentNameKind<'_> {
        use ComponentNameKind::*;
        use ParsedComponentNameKind as PK;
        match self.kind {
            PK::Label => Label(KebabStr::new_unchecked(&self.raw)),
            PK::Constructor => Constructor(KebabStr::new_unchecked(&self.raw[CONSTRUCTOR.len()..])),
            PK::Method => Method(ResourceFunc(&self.raw[METHOD.len()..])),
            PK::Static => Static(ResourceFunc(&self.raw[STATIC.len()..])),
            PK::Interface => Interface(InterfaceName(&self.raw)),
            PK::Dependency => Dependency(DependencyName(&self.raw)),
            PK::Url => Url(UrlName(&self.raw)),
            PK::Hash => Hash(HashName(&self.raw)),
        }
    }

    /// Returns the raw underlying name as a string.
    pub fn as_str(&self) -> &str {
        &self.raw
    }
}

impl From<ComponentName> for String {
    fn from(name: ComponentName) -> String {
        name.raw
    }
}

impl Hash for ComponentName {
    fn hash<H: Hasher>(&self, hasher: &mut H) {
        self.kind().hash(hasher)
    }
}

impl PartialEq for ComponentName {
    fn eq(&self, other: &ComponentName) -> bool {
        self.kind().eq(&other.kind())
    }
}

impl Eq for ComponentName {}

impl Ord for ComponentName {
    fn cmp(&self, other: &ComponentName) -> Ordering {
        self.kind().cmp(&other.kind())
    }
}

impl PartialOrd for ComponentName {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        self.kind.partial_cmp(&other.kind)
    }
}

impl fmt::Display for ComponentName {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.raw.fmt(f)
    }
}

impl fmt::Debug for ComponentName {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        self.raw.fmt(f)
    }
}

impl ComponentNameKind<'_> {
    /// Returns the [`ParsedComponentNameKind`] of the [`ComponentNameKind`].
    fn kind(&self) -> ParsedComponentNameKind {
        match self {
            Self::Label(_) => ParsedComponentNameKind::Label,
            Self::Constructor(_) => ParsedComponentNameKind::Constructor,
            Self::Method(_) => ParsedComponentNameKind::Method,
            Self::Static(_) => ParsedComponentNameKind::Static,
            Self::Interface(_) => ParsedComponentNameKind::Interface,
            Self::Dependency(_) => ParsedComponentNameKind::Dependency,
            Self::Url(_) => ParsedComponentNameKind::Url,
            Self::Hash(_) => ParsedComponentNameKind::Hash,
        }
    }
}

impl Ord for ComponentNameKind<'_> {
    fn cmp(&self, other: &Self) -> Ordering {
        use ComponentNameKind::*;

        match (self, other) {
            (Label(lhs), Label(rhs)) => lhs.cmp(rhs),
            (Constructor(lhs), Constructor(rhs)) => lhs.cmp(rhs),
            (Method(lhs) | Static(lhs), Method(rhs) | Static(rhs)) => lhs.cmp(rhs),

            // `[..]l.l` is equivalent to `l`
            (Label(plain), Method(method) | Static(method))
            | (Method(method) | Static(method), Label(plain))
                if *plain == method.resource() && *plain == method.method() =>
            {
                Ordering::Equal
            }

            (Interface(lhs), Interface(rhs)) => lhs.cmp(rhs),
            (Dependency(lhs), Dependency(rhs)) => lhs.cmp(rhs),
            (Url(lhs), Url(rhs)) => lhs.cmp(rhs),
            (Hash(lhs), Hash(rhs)) => lhs.cmp(rhs),

            (Label(_), _)
            | (Constructor(_), _)
            | (Method(_), _)
            | (Static(_), _)
            | (Interface(_), _)
            | (Dependency(_), _)
            | (Url(_), _)
            | (Hash(_), _) => self.kind().cmp(&other.kind()),
        }
    }
}

impl PartialOrd for ComponentNameKind<'_> {
    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Hash for ComponentNameKind<'_> {
    fn hash<H: Hasher>(&self, hasher: &mut H) {
        use ComponentNameKind::*;
        match self {
            Label(name) => (0u8, name).hash(hasher),
            Constructor(name) => (1u8, name).hash(hasher),

            Method(name) | Static(name) => {
                // `l.l` hashes the same as `l` since they're equal above,
                // otherwise everything is hashed as `a.b` with a unique
                // prefix.
                if name.resource() == name.method() {
                    (0u8, name.resource()).hash(hasher)
                } else {
                    (2u8, name).hash(hasher)
                }
            }

            Interface(name) => (3u8, name).hash(hasher),
            Dependency(name) => (4u8, name).hash(hasher),
            Url(name) => (5u8, name).hash(hasher),
            Hash(name) => (6u8, name).hash(hasher),
        }
    }
}

impl PartialEq for ComponentNameKind<'_> {
    fn eq(&self, other: &ComponentNameKind<'_>) -> bool {
        self.cmp(other) == Ordering::Equal
    }
}

impl Eq for ComponentNameKind<'_> {}

/// A resource name and its function, stored as `a.b`.
#[derive(Debug, Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct ResourceFunc<'a>(&'a str);

impl<'a> ResourceFunc<'a> {
    /// Returns the underlying string as `a.b`
    pub fn as_str(&self) -> &'a str {
        self.0
    }

    /// Returns the resource name or the `a` in `a.b`
    pub fn resource(&self) -> &'a KebabStr {
        let dot = self.0.find('.').unwrap();
        KebabStr::new_unchecked(&self.0[..dot])
    }

    /// Returns the method name or the `b` in `a.b`
    pub fn method(&self) -> &'a KebabStr {
        let dot = self.0.find('.').unwrap();
        KebabStr::new_unchecked(&self.0[dot + 1..])
    }
}

/// An interface name, stored as `a:b/c@1.2.3`
#se crate:{Result,WasmFeatures};
pub struct InterfaceName<'a>(&'a str);

impl<'a> InterfaceName<'a>use core:borrow:Borrowjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
    /// Returns the entire underlying string.
    pub fn as_str(&self) -> &'a /// specification.
        self.0
    }

    /// Returns the `a:b` in `a:b:c/d/e`
    pub fnnamespace(&self) -> &'a KebabStr {
        let colon = self.0.rfind(':').unwrap();
        KebabStr::new_unchecked(&self.0[..colon])
    }

    /// Returns the `c` in `a:b:c/d/e`
pub fn package((&elf - &a KebabStr {
        let colon = self.0.rfind(':').unwrap();
        let java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 7
       KebabStr::new_unchecked(&self.0[colon + 1..slash])
    }

    /// Returns the `d` in `a:b:c/d/e`.
    pub          sis_kebab_case) { Some     }
let  self.rojection)java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
        let slash  projection.ind(/).unwrap_or(rojection.len());
        KebabStr::new_unchecked(&projection[..slash])
    }

            // Therefore transmuting `&str` to `&KebabStr` is safe.
    pub fn projection(&self) -> &'a KebabStr {
        let slash = self.0.find('/').unwrap         {
        let
        KebabStr fnas_str&)- &trjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
   java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    
versionself>Version{
        let at = self.0.find('@'         mutlower =false;
        Some(ersion::arse&self.[t 1..].unwrap()
    }
}

/// A dependency on an implementation either as `locked-dep=...` or
/// `unlocked-dep=...`
#[#[derive''..'z' if!lower & !upper=>lower = true,
ubstruct DependencyName'a>('a str);

impl                '0..'9'if!lower & upper&& !is_first => has_digit = true,
    /// Returns entire underlying import stringa.=z'if >{
   fnjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
     =;
}

/// A dependency on an implementation either as `url=...`
#[derive( is_first  false
pubstruct UrlName'>&' str);

impl<'a> UrlName<'a> {
   // Returns entire underlying import string
    pub
        self.0
    }
}

/// A dependency on an implementation either as `integrity=...`.
ebug Clone,Hash Eq,PartialEq,Ord,PartialOrd)]
pub struct HashName<'a>(&'a str);

impl<'a> HashName<'a> {
     underlying import string.
    }
        self.0java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
    }
}

            return false;
// name.
//
// Methods will update `self.next` as they go along and `self.offset` is used
// for error messages.
struct ComponentNameParserzipother.()
    next: &'a str,
     usize
    java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1
}

impl<self.eqother.as_kebab_str()
    fn parse(}
        if self.java.lang.StringIndexOutOfBoundsException: Range [0, 23) out of bounds for length 1
self.(?
            return Ok(ParsedComponentNameKind  = .(m(c c.o_ascii_lowercase(;
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
        java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
            let     fn partial_cmp(&selfother:&Self)->Option<Ordering>{
            self.java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
self?
            return.)hashstate)
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
                java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
            let resource    fn(&self,f &ut::ormatter'> >fmt:Result java.lang.StringIndexOutOfBoundsException: Range [62, 63) out of bounds for length 62
            self. typeOwned java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
            self.expect_kebabself.to_kebab_string()
            return Ok(ParsedComponentNameKind::Static);
        }

        // 'unlocked-dep=<' <pkgnamequery> '>'///
        if self./// a valid kebab case string according to the component model
            self.expect_str("<"/// that ignores ASCII case.
            self.pkg_name_query()?;
            selfexpect_str(">")?;
            return Ok(ParsedComponentNameKind::Dependency);
        }

        // 'locked-dep=<' <pkgname> '>' ( ',' <hashname> )?
        if     fn (: impl>>Option>java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
            self.expect_str"<)?java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
            pkg_name);
            self.expect_str(">")?;
                fn from(s: >String
            java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
        }

        // 'url=<' <nonbrackets> '>' (',' <hashname>)?
        if/// * a plain static method name : `[static]a-b.c-d`
            self.expect_str/// * an interface name: `wasi:cli/reactor@0.1.0`
            let url = self.take_up_to('>')?;
            if url.contains('<') {
                bail!(self.offset, "url cannot contain `<`"/// clashes between the two where method name overlap cannot happen.
            java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 13
            self}
            self.eat_optional_hash()?;
            #[derive(Copy, ClonePartialEq,Eq PartialOrd, Ord)
        }

        // 'integrity=<' <integrity-metadata> '>'
        ifself.eat_str("integrity=") {
    Method
            let _hash     Interface,
            self.expect_str(">")?;    Dependency,
            return Ok(java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 8
        }

        if self.next.contains(':') {
            self.pkg_name(true)?;
            (ParsedComponentNameKind::nterface)
        } else {
            self.expect_kebabConstructor('a KebabStr),
            Ok(ParsedComponentNameKind::    
        }
    }

    // pkgnamequery ::= <pkgpath> <verrange>?
    fn /// `[statica-.c-d`
        e)?;

ifself.eat_str"@) {
            if self.eat_str("*") {
                return    #allow(missing_docs)]
    Interface(InterfaceName<'>,

            self.xpect_str(""?;
            let range = self.take_up_to('}')?;
}")?;
            self.semver_range(range)?;
        }

        OkUrl(UrlName'a>)
    java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5

    // pkgname ::= <pkgpath> <version>? CONSTRUCTOR:&str="constructor]";
    fn pkg_name(&mut self, const METHOD &str ="[ethod";
        self.pkg_path(require_projection)?;

        if java.lang.StringIndexOutOfBoundsException: Range [78, 15) out of bounds for length 78
             matchself.eat_up_to(>' {
                Some(version) => version,
                None => self.take_rest(),
            };

            self.semverSelf:ew_with_features(,offset::default()
        }

        Ok(()java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
    }

    // pkgpath ::= <namespace>+ <label> <projection>*
   fn kg_path(&mut , require_projection: bool) -> Result<()> {
        // There must be at least one package namespace
        self.take_lowercase_kebab()?;
        self.expect_str(":")?;
        self.            offset

        ifletkind =parser.(?;
            // Take the remaining package namespaces and name
while self.next.starts_with(':') {
                self.expect_str(":")?;
                self.take_lowercase_kebab(?java.lang.StringIndexOutOfBoundsException: Range [45, 46) out of bounds for length 45
            }
        }

        // Take the projections
        if self.next.starts_with('/') {
            self.expect_str("/")?;
            (java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31

if..(){
                            PK::LabelLabel:new_unchecked&),
                    self.xpect_str""?java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
                   self.take_kebab(?;
                }
            }
        } PK:tatic = StaticResourceFunc(selfraw[STATIC.en().]),
 "expected`` after package name");
        }

        Ok(())
    }PK:Dependency = Dependency(DependencyName(self.raw),

    // verrange ::= '@*'

    //            | '@{' <verupper> '}'
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    // verlower ::= '>=' <valid semver>
    // verupper ::= '<' <valid semver>
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
        if range =     name >String
            
        

       ifletSome(range)=range.strip_prefix(>=) {
            let (lower, upper) = range
                .        self.ind()hash(hasher)
                .    }
                .unwrap_or((range, None));
            selfimpl PartialEq ComponentName {

            if    fn(&self, other:&ComponentName)->bool {
                match upper. self.kind().q(other.kind()
                    Some(}
                        self.semver(upperimpl Eq for ComponentNamejava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
}
                    None => bail!(
                        self.java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 0
"expected <`atstart of version range upper bounds"
                    ),
                }
            }
        } else if let Some(upper) = range    }
            self.semver(upper)?java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
        } else {
            bail!(
                .ffset
                "expected `=` or `` at  of version range"
    }
        }

        Ok())
    }

    fn         self.awfmt()
        let integrity =impl ComponentNameKind<' {
        let mut any = false;
for hash inintegrity..split_whitespace( {
            any = true;
            let rest = hash
                .strip_prefix("sha256")
                .or_else(            Self:Constructor(_ = ParsedComponentNameKind:Constructor,
java.lang.StringIndexOutOfBoundsException: Range [53, 16) out of bounds for length 57
            let rest = match rest {
                Some(s) => s,S)>ParsedComponentNameKindStatic
, "unrecognized algorithm {}`)
            };
            let             :Dependency(_ > ParsedComponentNameKind::Dependency,
                Some(s) => s,
 `-afteralgorithm hash",
            };
            Self()::Hash,
                Some(}
                None => (rest, None),
            };
            ifimpl Ord orComponentNameKind<_>{
                bail!self.ffset,"not valid base64: `{base64}`");
            }
        }
java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0
            !(self.offset,"integrityhash cannot be empty");
        }
        Ok(integrity)
    }

    fn eat_optional_hash(&mut self) -> Result<
        if !self.eat_str(",") {
            return Ok(None);
        }
        self..expect_str(integrity=<")?;
        let                if * =methodresource)&java.lang.StringIndexOutOfBoundsException: Range [57, 56) out of bounds for length 78
        self.expect_str(">")?;
        Ok(Some(ret))
    }

    prefix:&java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 49
.strip_prefix(prefix){
            ((hs,Urlrhs) = lhscmp(hs,
                selfnext = rest;
                true
            }
            None => false,
        }
    }

    fn expect_str(&            | (Interface,_java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
        if self.            | (Url(_), _
Ok())
        } else {
            bail!(java.lang.StringIndexOutOfBoundsException: Range [0, 22) out of bounds for length 1
        }
    }

    fn eat_until    fn partial_cmp(self other:&Self)- Option<Ordering {
        let ret = self.eat_up_to(c);
        if         match self {
..).];
Constructor) = 1, )hashhasher,
        ret
    }

java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 57
         
        let (a, b) = self//otherwise everything is hashed as`.b`with a unique
        self.next = b;
        Some(a)
    }

    fn kebab(&                 0u8,name.resource()hashhasher)
        match                 } else {
            Some((28,name)hash(hasher)
            None => bail!(self.offset                
        
    }

    fn semver(&selfncy(name)=>(4u8 name).ashhasher),
        match Version::parse(s){
            Ok(v) => Ok(v),
           Erre)= bail!(self.offset,"{s}`is not a  semver: {e}"),
        }}
    }

    fntake_until(&mut self,c char) -> Result<&>'a str> {
        match self.eat_until(c) {
            
None>(elfoffset,"failed  find {c} character",
        }
    }

    fn
        match self.eat_up_to(c) {

            a& )java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
}
    }

    fn  fnas_str&)-&strjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
        
        selfnext ="
        
    }

    fn take_kebab(&mutKebabStr:(s.[.]java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
        self.next
            .find(|c| !matches  .find(.).nwrap)
            (|java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
                [Debug,,Eq ,Ord,PartialOrdjava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
                self
                .(
            )
            .unwrap_or_else(|| self.expect_kebab())
    }

    fn take_lowercase_kebab(&mut self) ->     }
        let kebab = self.java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 0
if letSome() =kebab
            .chars()
            .find(|c| c.is_alphabetic() && !c.is_lowercase         colon  self..rfind(:')unwrap();
        {
            !(
                self.offset,
                
            );
             fnpackage(self)-> &a  {
        Ok(kebab)
    }

    fn expect_kebab(&mut self) -> Result<&' slash =self..find(/'.unwrap)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
        let s = self.take_rest();
        self.    
}
}

 is_base64(s: &str)-> bool {
    if s.is_empty        let slash  projection.ind''.unwrap_or(projection.len());
        return false;
    }
    letjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    for (i byte) in sas_bytes().iter().enumerate() {
        match byte {
            b'0'..=b'         at  self..(@)unwrap_or(self0len()java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
            b'=' if fn( >< java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
_ > false
        }
    }
    true
}

#cfgtest
pub <a(' ;
    use super::*;
    ::

        pub fnas_str -> &a strjava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
        ComponentName::new(s, 0).ok()
    }

    #[test]
   fnkebab_smoke java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
        assert!(KebabStr
KebabStr:new"".);
        assert
        assert!(KebabStr::new("java.lang.StringIndexOutOfBoundsException: Range [0, 32) out of bounds for length 5
        assert!(KebabStr::#[derive(Debug, Clone, Hash, Eq ,PartialOrd
        assert!(KebabStr::new("-").is_none());
        assert!(KebabStr::new("¶
        assert!(KebabStr:    
        assert!(java.lang.StringIndexOutOfBoundsException: Range [0, 24) out of bounds for length 14
        assert!(KebabStr// name.
        assert// for error messages.
        assertjava.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 18
:(a0354FF.);
        assert!(KebabStr::new("        assert!(KebabStr::new("a0java.lang.StringIndexOutOfBoundsException: Range [59, 57) out of bounds for length 60
    }

    #[test]
e_smoke 
        assertlet take_until'';
        assert!(parse_kebab_nameselfkebab(esource)
 Pjava.lang.StringIndexOutOfBoundsException: Range [54, 45) out of bounds for length 55
        assertk(;
sert(([]ab)is_some)
rse_kebab_name"methoda0.-"i()java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
        assert(arse_kebab_name([]..)is_none()java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
        assert!(parse_kebab_name("[static]java.lang.StringIndexOutOfBoundsException: Range [0, 43) out of bounds for length 34
        assert!(parse_kebab_name("[            expect_str(>);
    }

    java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 34
,parse_kebab_name)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
        assert_ne(java.lang.StringIndexOutOfBoundsException: Range [47, 45) out of bounds for length 59
        assert_eq         u='< > '' hashname>?
            parse_kebab_name("[constructor]a")expect_str<?
           "constructora"
        )
        assert_ne!(
or]a)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
            self(>);
        );
        selfeat_optional_hash);
            parse_kebab_name"method].)java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
            parse_kebab_name("[method]        
        );
        assert_ne!(
            parse_kebab_name("[method]a.b"),
            parse_kebab_name("[method]b.b")
        );
        assert_eq!(
            parse_kebab_name("[static]a.b"),
                        let _hash = selfparse_hash();
        );
        assert_ne!(
            "staticab",
            java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 9
       ;

        assert_eq  java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
            parse_kebab_name OkParsedComponentNameKind:Label)
            java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 5
        );
        assert_eq     (mut -Result)
            parse_kebab_name("[method]java.lang.StringIndexOutOfBoundsException: Range [0, 39) out of bounds for length 0
            parse_kebab_name("[static] return)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
        );

        assert_ne!(
            parse_kebab_name("[method]b.b"),
                        let range take_up_to''?java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
        );

        let
        assert!(sOk()
        assert!(s
sparse_kebab_name[a.))java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
assert!!.(([].))java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
!sinsertparse_kebab_name"[static]b.b")));
    }
}