Module license_detection 

License Detection Engine

Re-exports

pub use models::LicenseMatch;

pub use aho_match::aho_match;

pub use hash_match::hash_match;

pub use spdx_lid::spdx_lid_match;

pub use unknown_match::unknown_match;

Modules

aho_match

Aho-Corasick exact matching for license detection.

automaton

Aho-Corasick automaton wrapper using daachorse.

embedded

expression

License expression parsing and manipulation.

hash_match

Hash-based exact matching for license detection.

index

License index construction and querying.

models

Core data structures for license detection.

query

Query processing - tokenized input for license matching.

rules

Rule loading and orchestration.

seq_match

Approximate sequence matching for license detection.

spdx_lid

SPDX-License-Identifier detection and parsing.

spdx_mapping

SPDX license key mapping for license expressions.

tokenize

Text tokenization and normalization.

unknown_match

Unknown license detection using ngram matching.

Structs

LicenseDetectionEngine

License detection engine that orchestrates the detection pipeline.

PositionSet

A set of usize positions stored as a BitSet. Provides O(1) membership testing and efficient set operations. Caches bounds for cheap overlap pre-checks.

TokenMultiset

A multiset of token IDs stored as token -> occurrence count.

TokenSet

A set of token IDs stored as a sorted SmallVec.

Constants

DEFAULT_LICENSEDB_URL_TEMPLATE

SCANCODE_LICENSES_DATA_PATH

Path to the license data directory in the reference scancode-toolkit submodule. Used by test code and the xtask generate-license-loader-artifact binary.

SCANCODE_LICENSES_LICENSES_PATH

Path to the licenses directory in the reference scancode-toolkit submodule. Used by test code and the xtask generate-license-loader-artifact binary.

SCANCODE_LICENSES_RULES_PATH

Path to the license rules directory in the reference scancode-toolkit submodule. Used by test code and the xtask generate-license-loader-artifact binary.

Functions

filter_invalid_contained_unknown_matches

Filter unknown matches contained within good matches’ qregion.

merge_overlapping_matches

Merge overlapping and adjacent matches for the same rule.

refine_matches

Main refinement function - applies all refinement operations to match results.

refine_matches_without_false_positive_filter

Initial refinement without false positive filtering.

split_weak_matches

Split matches into good and weak matches.