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<?php |
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/** |
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* File containing the {@link \AppUtils\IniHelper\INILine} class. |
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* @package Application Utils |
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* @subpackage IniHelper |
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* @see \AppUtils\IniHelper\INILine |
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*/ |
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declare(strict_types=1); |
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namespace AppUtils\IniHelper; |
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use AppUtils\IniHelper_Exception; |
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use function AppUtils\parseVariable; |
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/** |
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* Single INI line container. |
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* |
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* @package Application Utils |
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* @subpackage IniHelper |
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* @author Sebastian Mordziol <[email protected]> |
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*/ |
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class INILine |
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{ |
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public const TYPE_SECTION_DECLARATION = 'section'; |
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public const TYPE_COMMENT = 'comment'; |
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public const TYPE_EMPTY = 'empty'; |
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public const TYPE_INVALID = 'invalid'; |
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public const TYPE_VALUE = 'value'; |
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public const ERROR_UNHANDLED_LINE_TYPE = 41901; |
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public const ERROR_NON_SCALAR_VALUE = 41902; |
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protected string $text; |
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protected string $trimmed; |
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protected int $lineNumber; |
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protected string $type; |
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protected string $varName = ''; |
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protected string $varValue = ''; |
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protected string $valueUnquoted = ''; |
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protected string $quoteStyle = ''; |
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protected string $sectionName = ''; |
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public function __construct(string $text, int $lineNumber) |
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{ |
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$this->text = $text; |
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$this->trimmed = trim($text); |
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$this->lineNumber = $lineNumber; |
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if(empty($this->trimmed)) |
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{ |
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$this->type = self::TYPE_EMPTY; |
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return; |
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} |
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$startChar = $this->trimmed[0]; |
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if($startChar === ';') |
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{ |
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$this->type = self::TYPE_COMMENT; |
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} |
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else if($startChar === '[') |
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{ |
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$this->type = self::TYPE_SECTION_DECLARATION; |
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$this->sectionName = trim($this->trimmed, '[]'); |
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$this->sectionName = trim($this->sectionName); // remove any whitespace |
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} |
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else |
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{ |
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$pos = strpos($this->trimmed, '='); |
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if($pos === false) |
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{ |
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$this->type = self::TYPE_INVALID; |
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return; |
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} |
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$this->type = self::TYPE_VALUE; |
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$this->varName = trim(substr($this->trimmed, 0, $pos)); |
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$this->parseValue(substr($this->trimmed, $pos+1)); |
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} |
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} |
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protected function parseValue(string $value) : void |
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{ |
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$this->varValue = trim($value); |
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$value = $this->varValue; |
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if(empty($value)) { |
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return; |
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} |
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if($value[0] === '"' && $value[strlen($value) - 1] === '"') |
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{ |
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$value = trim($value, '"'); |
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$this->quoteStyle = '"'; |
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} |
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else if($value[0] === "'" && $value[strlen($value) - 1] === "'") |
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{ |
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$value = trim($value, "'"); |
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$this->quoteStyle = "'"; |
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} |
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$this->valueUnquoted = $value; |
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} |
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public function getVarName() : string |
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{ |
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return $this->varName; |
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} |
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public function getVarValue() : string |
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{ |
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return $this->valueUnquoted; |
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} |
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public function getQuotedVarValue() : string |
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{ |
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if($this->quoteStyle === '') { |
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return $this->getVarValue(); |
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} |
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return $this->quoteStyle.$this->getVarValue().$this->quoteStyle; |
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} |
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public function getText() : string |
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{ |
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return $this->text; |
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} |
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public function getLineNumber() : int |
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{ |
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return $this->lineNumber; |
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} |
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public function getSectionName() : string |
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{ |
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return $this->sectionName; |
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} |
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public function isSection() : bool |
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{ |
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return $this->isType(self::TYPE_SECTION_DECLARATION); |
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} |
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public function isComment() : bool |
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{ |
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return $this->isType(self::TYPE_COMMENT); |
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} |
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public function isValue() : bool |
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{ |
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return $this->isType(self::TYPE_VALUE); |
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} |
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public function isValid() : bool |
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{ |
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return !$this->isType(self::TYPE_INVALID); |
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} |
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public function isEmpty() : bool |
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{ |
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return $this->isType(self::TYPE_EMPTY); |
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} |
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protected function isType(string $type) : bool |
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{ |
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return $this->type === $type; |
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} |
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/** |
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* @param mixed|NULL $value |
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* @return $this |
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* @throws IniHelper_Exception |
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*/ |
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public function setValue($value) : INILine |
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{ |
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if(!is_null($value) && !is_scalar($value)) |
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{ |
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throw new IniHelper_Exception( |
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'Cannot use non-scalar values.', |
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sprintf( |
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'Tried setting the value of [%s] to [%s]', |
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$this->getVarName(), |
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parseVariable($value)->toString() |
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), |
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self::ERROR_NON_SCALAR_VALUE |
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); |
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} |
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$this->parseValue((string)$value); |
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return $this; |
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} |
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public function toString() : string |
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{ |
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switch($this->type) |
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{ |
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case self::TYPE_EMPTY: |
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case self::TYPE_INVALID: |
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return ''; |
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case self::TYPE_COMMENT: |
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return $this->text; |
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case self::TYPE_SECTION_DECLARATION: |
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return '['.$this->getSectionName().']'; |
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case self::TYPE_VALUE: |
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return $this->getVarName().'='.$this->getQuotedVarValue(); |
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} |
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throw new IniHelper_Exception( |
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'Unhandled line type', |
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sprintf( |
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'The line type [%s] is not handled for converting to string.', |
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$this->type |
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), |
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self::ERROR_UNHANDLED_LINE_TYPE |
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); |
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} |
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} |
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