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Changelog

Unreleased

Added

  • ErrorDescription::into_inner to retrieve the inner String value.

0.18.0 - 2024-05-07

Added

  • Custom keywords support. #379
  • Expose JsonPointerNode that can be converted into JSONPointer. This is needed for the upcoming custom validators support.

Changed

  • Bump base64 to 0.22.
  • Bump clap to 4.5.
  • Bump fancy-regex to 0.13.
  • Bump fraction to 0.15.
  • Bump memchr to 2.7.
  • Bump once_cell to 1.19.
  • Bump percent-encoding to 2.3.
  • Bump regex to 1.10.
  • Bump url to 2.5.
  • Build CLI only if the cli feature is enabled.
  • BREAKING: Extend CompilationOptions to support more ways to define custom format checkers (for example in Python bindings). In turn it changes ValidationErrorKind::Format to contain a String instead of a &'static str.

Fixed

  • Incorrect schema_path when multiple errors coming from the $ref keyword #426

Performance

  • Optimize building JSONPointer for validation errors by allocating the exact amount of memory needed.
  • Avoid cloning path segments during validation.

0.17.1 - 2023-07-05

Changed

  • Improved error messages for oneOf / anyOf keywords. #429

Fixed

  • Improper handling of subschema validation in unevaluatedProperties. #421

0.17.0 - 2023-03-16

Changed

  • Bump base64 to 0.21.
  • Bump fancy-regex to 0.11.
  • Bump fraction to 0.13.
  • Bump iso8601 to 0.6.
  • Replace lazy_static with once_cell.
  • Add support for unevaluatedProperties. (gated by the draft201909/draft202012 feature flags). #288
  • When using the draft 2019-09 or draft 2020-12 specification, $ref is now evaluated alongside other keywords. #378

0.16.1 - 2022-10-20

Added

  • Add a compilation option (should_ignore_unknown_formats()) that allows treating unknown formats as compilation errors.

0.16.0 - 2022-04-21

Fixed

  • Library compilation with no default features. #356
  • Compilation with resolve-file only. #358

Changed

  • BREAKING: Revert changes from #353 and #343, as they caused compilation issues.

0.15.2 - 2022-04-10

Fixed

  • Allow HTTP(S) schema resolving with rustls. #353

0.15.1 - 2022-04-02

Fixed

  • Enable reqwest/native-tls by default to avoid validation errors caused by reqwest missing a TLS backend. #343

0.15.0 - 2022-01-31

Added

  • The SchemaResolver trait to support resolving external schema references. #246
  • resolve-file feature to resolve external schema files via std::fs. #76

Changed

  • The reqwest feature was changed to resolve-http. #341

Performance

  • CLI: Use serde::from_reader instead of serde::from_str.

0.14.0 - 2022-01-23

Changed

  • Bump itoa to 1.0. #337

Performance

  • Optimize the loop implementation used for uniqueness check on short arrays.
  • Simplify equal_arrays helper.
  • Shortcut for false schemas.
  • Reduce the number of generated LLVM lines.
  • Do less work when resolving fragments.
  • Avoid cloning the value when resolving empty fragments.
  • Optimize searching by pointer in JSON documents.

0.13.3 - 2021-12-08

Changed

  • Make BasicOutput.is_valid public.

Fixed

  • False positives in some cases when calling JSONSchema.apply on schemas with additionalProperties, patternProperties, and properties combined.
  • False negatives in some cases when calling JSONSchema.apply on schemas with if and then (without else) keywords. #318
  • Panic in JSONSchema.apply on some schemas with prefixItems and items. It panicked if items is an object and the length of prefixItems is greater than the length of the input array.

Performance

  • Remove unused private field in JSONSchema, that lead to improvement in the compilation performance.
  • Optimize the multipleOf implementation, which now can short-circuit in some cases.
  • Add special cases for arrays with 2 and 3 items in the uniqueItems keyword implementation.
  • Remove the schema argument from all methods of the Validate trait.

0.13.2 - 2021-11-04

Added

  • Support for prefixItems keyword. #303
  • Expose methods to examine OutputUnit.

0.13.1 - 2021-10-28

Fixed

  • Missing derive from serde.

0.13.0 - 2021-10-28

Added

  • uuid format validator. #266
  • duration format validator. #265
  • Collect annotations whilst evaluating schemas. #262
  • Option to turn off processing of the format keyword. #261
  • basic & flag output formatting styles. #100
  • Support for dependentRequired & dependentSchemas keywords. #286
  • Forward reqwest features.

Changed

  • INTERNAL. A new Draft201909 variant for the Draft enum that is available only under the draft201909 feature. This feature is considered private and should not be used outside of the testing context. It allows us to add features from the 2019-09 Draft without exposing them in the public API. Therefore, support for this draft can be added incrementally.
  • The Draft enum is now marked as non_exhaustive.
  • ValidationError::schema was removed and the calls replaced by proper errors.

Performance

  • Reduce the size of PrimitiveTypesBitMapIterator from 3 to 2 bytes. #282
  • Use the bytecount crate for maxLength & minLength keywords, and for the hostname format.

0.12.2 - 2021-10-21

Fixed

  • Display the original value in errors from minimum, maximum, exclusiveMinimum, exclusiveMaximum. #215
  • Switch from chrono to time==0.3.3 due to RUSTSEC-2020-0159 in older time versions that chrono depends on.

0.12.1 - 2021-07-29

Fixed

  • Allow using empty arrays or arrays with non-unique elements for the enum keyword in schemas. #258
  • Panic on incomplete escape sequences in regex patterns. #253

0.12.0 - 2021-07-24

Added

  • Support for custom format validators. #158

Changed

  • Validators now implement Display instead of ToString.
  • JSONSchema now owns its data. #145

0.11.0 - 2021-06-19

Added

  • Report schema paths in validation errors - ValidationError.schema_path. #199

Fixed

  • Incorrect encoding of / and ~ characters in fmt::Display implementation for JSONPointer. #233

0.10.0 - 2021-06-17

Added

  • BREAKING: Meta-schema validation for input schemas. By default, all input schemas are validated with their respective meta-schemas and instead of CompilationError there will be the usual ValidationError. #198

Removed

  • CompilationError. Use ValidationError instead.

0.9.1 - 2021-06-17

Fixed

  • The format validator incorrectly rejecting supported regex patterns. #230

0.9.0 - 2021-05-07

Added

  • Support for look-around patterns. #183

Fixed

  • Extend the email format validation. Relevant test case from the JSONSchema test suite - email.json.

0.8.3 - 2021-05-05

Added

  • paths::JSONPointer implements IntoIterator over paths::PathChunk.

Fixed

  • Skipped validation on an unsupported regular expression in patternProperties. #213
  • Missing array type in error messages for type validators containing multiple values. #216

0.8.2 - 2021-05-03

Performance

  • Avoid some repetitive String allocations during validation.
  • Reduce the number of RwLock.read() calls in $ref validators.
  • Shortcut in the uniqueItems validator for short arrays.
  • additionalProperties. Use vectors instead of AHashMap if the number of properties is small.
  • Special handling for single-item required validators.
  • Special handling for single-item enum validators.
  • Special handling for single-item allOf validators.
  • Special handling for single-item patternProperties validators without defined additionalProperties.

Fixed

  • Floating point overflow in the multipleOf validator. Relevant test case from the JSONSchema test suite - float_overflow.json.

0.8.1 - 2021-04-30

Performance

  • Avoid String allocation in JSONPointer.into_vec.
  • Replace heap-allocated InstancePath with stack-only linked list.

0.8.0 - 2021-04-27

Changed

  • The propertyNames validator now contains the parent object in its instance attribute instead of individual properties as strings.
  • Improved error message for the additionalProperties validator. After - Additional properties are not allowed ('faz' was unexpected), before - False schema does not allow '"faz"'.
  • The additionalProperties validator emits a single error for all unexpected properties instead of separate errors for each unexpected property.
  • Breaking: ValidationError.instance_path is now a separate struct, that can be transformed to Vec<String> or JSON Pointer of type String.

Fixed

  • All instance_path attributes are pointing to the proper location.

0.7.0 - 2021-04-27

Added

  • ValidationError.instance_path that shows the path to the erroneous part of the input instance. It has the Vec<String> type and contains components of the relevant JSON pointer.

Changed

  • Make fields of ValidationError public. It allows the end-user to customize errors formatting.

Fixed

  • Reject IPv4 addresses with leading zeroes. As per the new test case in the JSONSchema test suite. More info
  • Do not look for sub-schemas inside const and enum keywords. Fixes an issue checked by these tests
  • Check all properties in the required keyword implementation. #190

Removed

  • Not used ValidationErrorKind::Unexpected.

0.6.1 - 2021-03-26

Fixed

  • Incorrect handling of \w and \W character groups in pattern keywords. #180
  • Incorrect handling of strings that contain escaped character groups (like \\w) in pattern keywords.

0.6.0 - 2021-02-03

Fixed

  • Missing validation errors after the 1st one in additionalProperties validators.

Performance

  • Do not use rayon in items keyword as it gives significant overhead for a general case.
  • Avoid partially overlapping work in additionalProperties / properties / patternProperties validators. #173

0.5.0 - 2021-01-29

Added

  • Cache for documents loaded via the $ref keyword. #75
  • Meta schemas for JSON Schema drafts 4, 6, and 7. #28

Fixed

  • Not necessary network requests for schemas with $id values with trailing # symbol. #163

Performance

  • Enum validation for input values that have a type that is not present among the enum variants. #80

Removed

  • -V/--validator options from the CLI. They were no-op and never worked.

0.4.3 - 2020-12-11

Documentation

  • Make examples in README.md runnable.

0.4.2 - 2020-12-11

Changed

  • Move paste to dev dependencies.

Fixed

  • Number comparison for enum and const keywords. #149
  • Do not accept date strings with single-digit month and day values. #151

Performance

  • Some performance related changes were rolled back, due to increased complexity.

0.4.1 - 2020-12-09

Fixed

  • Integers not recognized as numbers when the type keyword is a list of multiple values. #147

0.4.0 - 2020-11-09

Added

  • Command Line Interface. #102
  • ToString trait implementation for validators.
  • Define JSONSchema::options to customise JSONSchema compilation #131
  • Allow user-defined contentEncoding and contentMediaType keywords

Fixed

  • ECMAScript regex support
  • Formats should be associated to Draft versions (ie. idn-hostname is not defined on draft 4 and draft 6)

0.3.1 - 2020-06-21

Changed

  • Enable Link-Time Optimizations and set codegen-units to 1. #104

Fixed

  • items allows the presence of boolean schemas. #115

0.3.0 - 2020-06-08

Added

  • JSONSchema Draft 4 support (except one optional case). #34
  • CI builds. #35 and #36
  • Implement specialized is_valid methods for all keywords.
  • Use rayon in items keyword validation.
  • Various clippy lints. #66
  • Debug implementation for JSONSchema and Resolver. #97
  • Default implementation for Draft.

Changed

  • Do not pin dependencies. #90
  • Use to_string instead of format!. #85
  • Cache compiled validators in $ref keyword. #83
  • Use bitmap for validation of multiple types in type keyword implementation. #78
  • Return errors instead of unwrap in various locations. #73
  • Improve debug representation of validators. #70
  • Reduce the number of match statements during compilation functions resolving.
  • Use expect instead of unwrap for known cases when it is known that the code won't panic.
  • Add specialized validators for all format cases.
  • Reuse DEFAULT_SCOPE during reference resolving.
  • Replace some Value::as_* calls with if let.
  • Inline all compile functions.
  • Optimize format keyword compilation by using static strings.
  • Optimize compilation of true, false and $ref validators.
  • Reuse parsed DEFAULT_ROOT_URL in JSONSchema::compile.
  • Avoid string allocation during scope parsing in JSONSchema::compile.
  • Refactor benchmark suite
  • Use BTreeSet in additionalProperties keyword during compilation to reduce the amount of copied data. #91

Fixed

  • Wrong implementation of is_valid for additionalProperties: false keyword case. #61
  • Possible panic due to type conversion in some numeric validators. #72
  • Precision loss in minimum, maximum, exclusiveMinimum and exclusiveMaximum validators. #84

0.2.0 - 2020-03-30

Added

  • Implement is_valid for various validators.
  • Implement Error and Display for CompilationError

Changed

  • Debug representation & error messages in various validators.
  • Make ErrorIterator Sync and Send.

Fixed

  • Return CompilationError on invalid input schemas instead of panic.

0.1.0 - 2020-03-29

  • Initial public release