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@ -21,6 +21,33 @@ namespace Composer\Package\LinkConstraint;
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*/
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class VersionConstraint extends SpecificConstraint
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{
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const OP_EQ = 0;
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const OP_LT = 1;
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const OP_LE = 2;
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const OP_GT = 3;
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const OP_GE = 4;
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const OP_NE = 5;
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static $transOpStr = array(
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'=' => self::OP_EQ,
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'==' => self::OP_EQ,
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'<' => self::OP_LT,
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'<=' => self::OP_LE,
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'>' => self::OP_GT,
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'>=' => self::OP_GE,
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'<>' => self::OP_NE,
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'!=' => self::OP_NE,
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);
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static $transOpInt = array(
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self::OP_EQ => '==',
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self::OP_LT => '<',
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self::OP_LE => '<=',
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self::OP_GT => '>',
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self::OP_GE => '>=',
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self::OP_NE => '!=',
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);
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private $operator;
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private $version;
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@ -32,15 +59,7 @@ class VersionConstraint extends SpecificConstraint
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*/
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public function __construct($operator, $version)
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{
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if ('=' === $operator) {
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$operator = '==';
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}
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if ('<>' === $operator) {
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$operator = '!=';
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}
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$this->operator = $operator;
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$this->operator = self::$transOpStr[$operator];
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$this->version = $version;
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}
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@ -67,29 +86,13 @@ class VersionConstraint extends SpecificConstraint
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*/
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public function matchSpecific(VersionConstraint $provider, $compareBranches = false)
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{
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static $cache = array();
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if (isset($cache[$this->operator][$this->version][$provider->operator][$provider->version][$compareBranches])) {
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return $cache[$this->operator][$this->version][$provider->operator][$provider->version][$compareBranches];
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}
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return $cache[$this->operator][$this->version][$provider->operator][$provider->version][$compareBranches] =
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$this->doMatchSpecific($provider, $compareBranches);
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}
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/**
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* @param VersionConstraint $provider
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* @param bool $compareBranches
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* @return bool
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*/
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private function doMatchSpecific(VersionConstraint $provider, $compareBranches = false)
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{
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$noEqualOp = str_replace('=', '', $this->operator);
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$providerNoEqualOp = str_replace('=', '', $provider->operator);
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$noEqualOp = str_replace('=', '', self::$transOpInt[$this->operator]);
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$providerNoEqualOp = str_replace('=', '', self::$transOpInt[$provider->operator]);
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$isEqualOp = '==' === $this->operator;
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$isNonEqualOp = '!=' === $this->operator;
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$isProviderEqualOp = '==' === $provider->operator;
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$isProviderNonEqualOp = '!=' === $provider->operator;
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$isEqualOp = self::OP_EQ === $this->operator;
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$isNonEqualOp = self::OP_NE === $this->operator;
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$isProviderEqualOp = self::OP_EQ === $provider->operator;
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$isProviderNonEqualOp = self::OP_NE === $provider->operator;
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// '!=' operator is match when other operator is not '==' operator or version is not match
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// these kinds of comparisons always have a solution
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@ -100,14 +103,14 @@ class VersionConstraint extends SpecificConstraint
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// an example for the condition is <= 2.0 & < 1.0
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// these kinds of comparisons always have a solution
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if ($this->operator != '==' && $noEqualOp == $providerNoEqualOp) {
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if ($this->operator != self::OP_EQ && $noEqualOp == $providerNoEqualOp) {
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return true;
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}
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if ($this->versionCompare($provider->version, $this->version, $this->operator, $compareBranches)) {
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if ($this->versionCompare($provider->version, $this->version, self::$transOpInt[$this->operator], $compareBranches)) {
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// special case, e.g. require >= 1.0 and provide < 1.0
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// 1.0 >= 1.0 but 1.0 is outside of the provided interval
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if ($provider->version == $this->version && $provider->operator == $providerNoEqualOp && $this->operator != $noEqualOp) {
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if ($provider->version == $this->version && self::$transOpInt[$provider->operator] == $providerNoEqualOp && self::$transOpInt[$this->operator] != $noEqualOp) {
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return false;
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}
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@ -119,6 +122,6 @@ class VersionConstraint extends SpecificConstraint
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public function __toString()
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{
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return $this->operator.' '.$this->version;
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return self::$transOpInt[$this->operator].' '.$this->version;
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}
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}
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