Enum Pattern 

pub enum Pattern {
    Leaf(LeafPattern),
    Structure(StructurePattern),
    Meta(MetaPattern),
}

The main pattern type used for matching envelopes.

Variants

Leaf(LeafPattern)

Leaf patterns for matching CBOR values.

Structure(StructurePattern)

Structure patterns for matching envelope elements.

Meta(MetaPattern)

Meta-patterns for combining and modifying other patterns.

Implementations

impl Pattern

pub fn parse(input: impl AsRef<str>) -> Result<Pattern>

Parse a pattern expression.

impl Pattern

pub fn any_cbor() -> Self

Creates a new Pattern that matches any CBOR value.

pub fn cbor(cbor: impl CBOREncodable) -> Self

Creates a new Pattern that matches a specific CBOR value.

pub fn cbor_pattern(pattern: DCBORPattern) -> Self

Creates a new Pattern that matches CBOR values using dcbor-pattern expressions.

impl Pattern

pub fn any_bool() -> Self

Creates a new Pattern that matches any boolean value.

pub fn bool(b: bool) -> Self

Creates a new Pattern that matches a specific boolean value.

impl Pattern

pub fn any_text() -> Self

Creates a new Pattern that matches any text value.

pub fn text<T: Into<String>>(value: T) -> Self

Creates a new Pattern that matches a specific text value.

pub fn text_regex(regex: Regex) -> Self

Creates a new Pattern that matches text values that match the given regular expression.

impl Pattern

pub fn any_date() -> Self

Creates a new Pattern that matches any Date (CBOR tag 1) value.

pub fn date(date: Date) -> Self

Creates a new Pattern that matches a specific Date (CBOR tag 1) value.

pub fn date_range(range: RangeInclusive<Date>) -> Self

Creates a new Pattern that matches Date (CBOR tag 1) values within a specified range (inclusive).

pub fn date_earliest(date: Date) -> Self

Creates a new Pattern that matches Date (CBOR tag 1) values that are on or after the specified date.

pub fn date_latest(date: Date) -> Self

Creates a new Pattern that matches Date (CBOR tag 1) values that are on or before the specified date.

pub fn date_iso8601(iso_string: impl Into<String>) -> Self

Creates a new Pattern that matches Date (CBOR tag 1) values by their ISO-8601 string representation.

pub fn date_regex(regex: Regex) -> Self

Creates a new Pattern that matches Date (CBOR tag 1) values whose ISO-8601 string representation matches the given regular expression.

impl Pattern

pub fn any_number() -> Self

Creates a new Pattern that matches any number value.

pub fn number<T: Into<f64>>(value: T) -> Self

Creates a new Pattern that matches a specific number value.

pub fn number_range<A: Into<f64> + Copy>(range: RangeInclusive<A>) -> Self

Creates a new Pattern that matches number values within a specified range (inclusive).

pub fn number_greater_than<T: Into<f64>>(value: T) -> Self

Creates a new Pattern that matches number values that are greater than the specified value.

pub fn number_greater_than_or_equal<T: Into<f64>>(value: T) -> Self

Creates a new Pattern that matches number values that are greater than or equal to the specified value.

pub fn number_less_than<T: Into<f64>>(value: T) -> Self

Creates a new Pattern that matches number values that are less than the specified value.

pub fn number_less_than_or_equal<T: Into<f64>>(value: T) -> Self

Creates a new Pattern that matches number values that are less than or equal to the specified value.

pub fn number_nan() -> Self

Creates a new Pattern that matches number values that are NaN (Not a Number).

impl Pattern

pub fn any_byte_string() -> Self

Creates a new Pattern that matches any byte string value.

pub fn byte_string(value: impl AsRef<[u8]>) -> Self

Creates a new Pattern that matches a specific byte string value.

pub fn byte_string_binary_regex(regex: Regex) -> Self

Creates a new Pattern that matches byte string values that match the given binary regular expression.

impl Pattern

pub fn any_known_value() -> Self

pub fn known_value(value: KnownValue) -> Self

pub fn known_value_named<T: Into<String>>(name: T) -> Self

pub fn known_value_regex(regex: Regex) -> Self

pub fn unit() -> Self

impl Pattern

pub fn any_array() -> Self

pub fn array_with_range(interval: impl RangeBounds<usize>) -> Self

pub fn array_with_count(count: usize) -> Self

pub fn array_from_dcbor_pattern(pattern: DCBORPattern) -> Self

Creates an array pattern from a dcbor-pattern. This is used internally by the parser to delegate to dcbor-pattern.

impl Pattern

pub fn any_map() -> Self

pub fn map_with_range(interval: impl RangeBounds<usize>) -> Self

pub fn map_with_count(count: usize) -> Self

impl Pattern

pub fn null() -> Self

impl Pattern

pub fn any_tag() -> Self

Creates a new Pattern that matches any tagged value. This is a proxy to dcbor-pattern’s tagged functionality.

pub fn tagged(tag: impl Into<Tag>, pattern: DCBORPattern) -> Self

Creates a new Pattern that matches a specific tagged value with any content. This is a proxy to dcbor-pattern’s tagged functionality.

pub fn tagged_name(name: impl Into<String>, pattern: DCBORPattern) -> Self

Creates a new Pattern that matches a tagged value with specific tag name and any content. This is a proxy to dcbor-pattern’s tagged functionality.

pub fn tagged_regex(regex: Regex, pattern: DCBORPattern) -> Self

Creates a new Pattern that matches a tagged value with tag name matching regex and any content. This is a proxy to dcbor-pattern’s tagged functionality.

impl Pattern

pub fn leaf() -> Self

pub fn any_assertion() -> Self

pub fn assertion_with_predicate(pattern: Pattern) -> Self

pub fn assertion_with_object(pattern: Pattern) -> Self

impl Pattern

pub fn any_subject() -> Self

pub fn subject(pattern: Pattern) -> Self

impl Pattern

pub fn any_predicate() -> Self

pub fn predicate(pattern: Pattern) -> Self

pub fn any_object() -> Self

pub fn object(pattern: Pattern) -> Self

impl Pattern

pub fn digest(digest: Digest) -> Self

pub fn digest_prefix(prefix: impl AsRef<[u8]>) -> Self

pub fn digest_binary_regex(regex: Regex) -> Self

pub fn any_node() -> Self

pub fn node_with_assertions_range(range: impl RangeBounds<usize>) -> Self

pub fn node_with_assertions_count(count: usize) -> Self

pub fn obscured() -> Self

pub fn elided() -> Self

pub fn encrypted() -> Self

pub fn compressed() -> Self

impl Pattern

pub fn any() -> Self

Creates a new Pattern that matches any element.

impl Pattern

pub fn and(patterns: Vec<Pattern>) -> Self

Creates a new Pattern that only matches if all specified patterns match.

pub fn or(patterns: Vec<Pattern>) -> Self

Creates a new Pattern that matches if at least one of the specified patterns matches.

impl Pattern

pub fn traverse(patterns: Vec<Pattern>) -> Self

Creates a new Pattern that matches a traversal order of patterns.

impl Pattern

pub fn search(pattern: Pattern) -> Self

Creates a new Pattern that searches for a specific pattern within the envelope. Useful for finding patterns that may not be at the root of the envelope.

impl Pattern

pub fn not_matching(pattern: Pattern) -> Self

Creates a new Pattern that negates another pattern; matches if the specified pattern does not match.

impl Pattern

pub fn repeat( pattern: Pattern, interval: impl RangeBounds<usize>, reluctance: Reluctance, ) -> Self

Creates a new Pattern that will match a pattern repeated a number of times according to the specified range and greediness.

In regex terms:

Range	Quantifier
..	*
1..	+
0..=1	?
min..=max	{min,max}
min..	{min,}
..=max	{0,max}
n..=n	{n}

pub fn group(pattern: Pattern) -> Self

impl Pattern

pub fn capture(name: impl AsRef<str>, pattern: Pattern) -> Self

Creates a new Pattern that will capture a pattern match with a name.

impl Pattern

pub fn wrapped() -> Self

Creates a new Pattern that matches any wrapped envelope without descending. Renamed from wrapped() to break tests so they can be fixed.

pub fn unwrap_matching(pattern: Pattern) -> Self

Creates a new Pattern that matches a wrapped envelope and also matches on its unwrapped content.

pub fn unwrap() -> Self

Creates a new Pattern that matches any wrapped envelope and descends into it.

Trait Implementations

impl Clone for Pattern

fn clone(&self) -> Pattern

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Pattern

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

Formats the value using the given formatter.

impl Display for Pattern

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

Formats the value using the given formatter.

impl Hash for Pattern

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for Pattern

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl TryFrom<&str> for Pattern

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: &str) -> Result<Self>

Performs the conversion.

impl Eq for Pattern

impl StructuralPartialEq for Pattern