Add failed schema accessor (#74)

Add InvalidValue->getFailedSubSchema to receive schema that failed validation, resolves #73

.travis.yml

@@ -2,6 +2,7 @@ language: php
 php:
  - nightly
  - hhvm
+ - 7.3
  - 7.2
  - 7.1
  - 7.0
@@ -36,5 +37,5 @@ script:
  - if [[ $(phpenv version-name) =~ 7.2 ]] ; then php $HOME/.composer/cache/phpstan.phar analyze -l 7 -c phpstan.neon ./src; fi
 
 after_script:
- - if [[ $(phpenv version-name) =~ 7.2 ]] ; then php $HOME/.composer/cache/ocular.phar code-coverage:upload --format=php-clover clover.xml; fi
- - if [[ $(phpenv version-name) =~ 7.2 ]] ; then $HOME/.composer/cache/cctr after-build --exit-code $TRAVIS_TEST_RESULT; fi
+  - if [[ $(phpenv version-name) =~ 7.2 ]] ; then php $HOME/.composer/cache/ocular.phar code-coverage:upload --format=php-clover clover.xml; fi
+  - if [[ $(phpenv version-name) =~ 7.2 ]] ; then $HOME/.composer/cache/cctr after-build --exit-code $TRAVIS_TEST_RESULT; fi

README.md

@@ -123,6 +123,8 @@ For ambiguous schemas defined with `oneOf`/`anyOf` message is indented multi-lin
 Processing path is a combination of schema and data pointers. You can use `InvalidValue->getSchemaPointer()`
 and `InvalidValue->getDataPointer()` to extract schema/data pointer.
 
+You can receive `Schema` instance that failed validation with `InvalidValue->getFailedSubSchema`. 
+
 You can build error tree using `InvalidValue->inspect()`.
 
 ### PHP structured classes with validation

composer.json

@@ -6,14 +6,12 @@
  "php": ">=5.4",
  "ext-json": "*",
  "phplang/scope-exit": "^1.0",
- "swaggest/json-diff": "^3.4.2"
+ "swaggest/json-diff": "^3.5.1"
  },
  "require-dev": {
  "phpunit/phpunit": "4.8.35",
- "swaggest/code-builder": "dev-master#e0c5c0612fd241d2d120e5ddef91cda9edc208ee",
- "swaggest/php-code-builder": "dev-master#3e643924445eb0f8d13dd011a57a42ce75629892",
  "phpunit/php-code-coverage": "2.2.4",
- "codeclimate/php-test-reporter": "^0.4.0"
+ "codeclimate/php-test-reporter": "0.4.0"
  },
  "license": "MIT",
  "authors": [
@@ -36,9 +34,6 @@
  "Swaggest\\JsonSchema\\Tests\\": "tests/src/"
  }
  },
- "scripts": {
- "gen-json-struct": "php ./tools/generate_json_structures.php"
- },
  "config": {
  "platform": {
  "php": "5.4.45"