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1 <?php
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2
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3 /*
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4 * This file is part of composer/semver.
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5 *
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6 * (c) Composer <https://github.com/composer>
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7 *
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8 * For the full copyright and license information, please view
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9 * the LICENSE file that was distributed with this source code.
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10 */
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11
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12 namespace Composer\Semver\Constraint;
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13
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14 trigger_error('The ' . __CLASS__ . ' abstract class is deprecated, there is no replacement for it, it will be removed in the next major version.', E_USER_DEPRECATED);
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15
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16 /**
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17 * Base constraint class.
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18 */
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19 abstract class AbstractConstraint implements ConstraintInterface
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20 {
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21 /** @var string */
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22 protected $prettyString;
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23
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24 /**
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25 * @param ConstraintInterface $provider
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26 *
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27 * @return bool
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28 */
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29 public function matches(ConstraintInterface $provider)
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30 {
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31 if ($provider instanceof $this) {
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32 // see note at bottom of this class declaration
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33 return $this->matchSpecific($provider);
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34 }
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35
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36 // turn matching around to find a match
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37 return $provider->matches($this);
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38 }
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39
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40 /**
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41 * @param string $prettyString
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42 */
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43 public function setPrettyString($prettyString)
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44 {
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45 $this->prettyString = $prettyString;
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46 }
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47
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48 /**
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49 * @return string
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50 */
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51 public function getPrettyString()
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52 {
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53 if ($this->prettyString) {
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54 return $this->prettyString;
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55 }
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56
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57 return $this->__toString();
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58 }
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59
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60 // implementations must implement a method of this format:
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61 // not declared abstract here because type hinting violates parameter coherence (TODO right word?)
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62 // public function matchSpecific(<SpecificConstraintType> $provider);
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63 }
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