bug #22351 [Yaml] don't keep internal state between parser runs (xabbuh)
This PR was merged into the 2.7 branch.
Discussion
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[Yaml] don't keep internal state between parser runs
| Q | A
| ------------- | ---
| Branch? | 2.7
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets |
| License | MIT
| Doc PR |
Commits
-------
faf671db0f
don't keep internal state between parser runs
This commit is contained in:
commit
34655e69dd
@ -64,23 +64,51 @@ class Parser
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if (false === preg_match('//u', $value)) {
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throw new ParseException('The YAML value does not appear to be valid UTF-8.');
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}
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$this->currentLineNb = -1;
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$this->currentLine = '';
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$value = $this->cleanup($value);
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$this->lines = explode("\n", $value);
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if (null === $this->totalNumberOfLines) {
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$this->totalNumberOfLines = count($this->lines);
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}
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$this->refs = array();
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$mbEncoding = null;
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$e = null;
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$data = null;
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if (function_exists('mb_internal_encoding') && ((int) ini_get('mbstring.func_overload')) & 2) {
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$mbEncoding = mb_internal_encoding();
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mb_internal_encoding('UTF-8');
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}
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try {
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$data = $this->doParse($value, $exceptionOnInvalidType, $objectSupport, $objectForMap);
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} catch (\Exception $e) {
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} catch (\Throwable $e) {
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}
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if (null !== $mbEncoding) {
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mb_internal_encoding($mbEncoding);
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}
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if (null !== $e) {
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throw $e;
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}
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return $data;
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}
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private function doParse($value, $exceptionOnInvalidType = false, $objectSupport = false, $objectForMap = false)
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{
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$this->currentLineNb = -1;
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$this->currentLine = '';
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$value = $this->cleanup($value);
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$this->lines = explode("\n", $value);
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$this->locallySkippedLineNumbers = array();
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if (null === $this->totalNumberOfLines) {
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$this->totalNumberOfLines = count($this->lines);
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}
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$data = array();
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$context = null;
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$allowOverwrite = false;
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while ($this->moveToNextLine()) {
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if ($this->isCurrentLineEmpty()) {
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continue;
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@ -250,10 +278,6 @@ class Parser
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throw $e;
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}
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if (isset($mbEncoding)) {
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mb_internal_encoding($mbEncoding);
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}
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return $value;
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}
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@ -261,10 +285,6 @@ class Parser
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}
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}
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if (isset($mbEncoding)) {
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mb_internal_encoding($mbEncoding);
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}
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return empty($data) ? null : $data;
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}
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@ -283,7 +303,7 @@ class Parser
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$parser = new self($offset, $this->totalNumberOfLines, $skippedLineNumbers);
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$parser->refs = &$this->refs;
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return $parser->parse($yaml, $exceptionOnInvalidType, $objectSupport, $objectForMap);
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return $parser->doParse($yaml, $exceptionOnInvalidType, $objectSupport, $objectForMap);
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}
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/**
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@ -1158,6 +1158,27 @@ YAML
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$this->assertEquals($trickyVal, $arrayFromYaml);
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}
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/**
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* @expectedException \Symfony\Component\Yaml\Exception\ParseException
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* @expectedExceptionMessage Reference "foo" does not exist at line 2
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*/
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public function testParserCleansUpReferencesBetweenRuns()
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{
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$yaml = <<<YAML
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foo: &foo
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baz: foobar
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bar:
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<<: *foo
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YAML;
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$this->parser->parse($yaml);
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$yaml = <<<YAML
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bar:
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<<: *foo
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YAML;
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$this->parser->parse($yaml);
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}
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}
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class B
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