Enum ValueGrammar 

#[non_exhaustive]
pub enum ValueGrammar {
    SourceList,
    AncestorSourceList,
    SandboxTokens,
    Boolean,
    Token,
    TokenList,
    TrustedTypes,
}

Which value grammar a directive’s raw value should be parsed with.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

SourceList

serialized-source-list (CSP3 §2.3.1).

AncestorSourceList

frame-ancestors’ restricted ancestor-source-list: parsed with the same crate::parse_source_list as SourceList, but only scheme-source, host-source, and 'self' are valid there – see ancestor_source_list_is_valid.

SandboxTokens

sandbox’s whitespace-separated, unquoted token list.

Boolean

No value expected (e.g. upgrade-insecure-requests).

Token

A single raw token (e.g. report-to, require-trusted-types-for).

TokenList

Whitespace-separated raw tokens with no further structure parsed by this crate (e.g. report-uri‘s URI references, plugin-types’ MIME-type patterns – both grammars this crate deliberately does not implement, matching the narrow, generic scope from CLAUDE.md).

TrustedTypes

trusted-types’ policy-name list (plus the 'allow-duplicates'/ 'none' sentinel tokens), kept as raw tokens for the same reason as TokenList.

Trait Implementations

impl Clone for ValueGrammar

fn clone(&self) -> ValueGrammar

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for ValueGrammar

impl Debug for ValueGrammar

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for ValueGrammar

impl PartialEq for ValueGrammar

fn eq(&self, other: &ValueGrammar) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ValueGrammar