116 lines
2.4 KiB
PHP
116 lines
2.4 KiB
PHP
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<?php
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/**
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* This file is part of the Peast package
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*
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* (c) Marco Marchiò <marco.mm89@gmail.com>
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*
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* For the full copyright and license information refer to the LICENSE file
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* distributed with this source code
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*/
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namespace Peast\Syntax\Node;
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use Peast\Syntax\Utils;
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/**
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* A node that represents a string literal.
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*
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* @author Marco Marchiò <marco.mm89@gmail.com>
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*/
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class StringLiteral extends Literal
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{
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/**
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* Map of node properties
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*
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* @var array
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*/
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protected $propertiesMap = array(
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"format" => false
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);
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//Format constants
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/**
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* Double quoted string
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*/
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const DOUBLE_QUOTED = "double";
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/**
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* Single quoted string
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*/
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const SINGLE_QUOTED = "single";
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/**
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* String format
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*
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* @var string
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*/
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protected $format = self::DOUBLE_QUOTED;
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/**
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* Sets node's value
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*
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* @param string $value Value
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*
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* @return $this
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*/
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public function setValue($value)
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{
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$this->value = (string) $value;
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//Force recalculation of the raw value
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return $this->setFormat($this->format);
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}
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/**
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* Sets node's raw value
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*
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* @param mixed $raw Raw value
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*
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* @return $this
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*
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* @throws \Exception
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*/
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public function setRaw($raw)
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{
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if (!is_string($raw) || strlen($raw) < 2) {
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throw new \Exception("Invalid string");
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}
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$startQuote = $raw[0];
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$endQuote = substr($raw, -1);
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if (($startQuote !== "'" && $startQuote !== '"') ||
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$startQuote !== $endQuote
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) {
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throw new \Exception("Invalid string");
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}
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$this->value = Utils::unquoteLiteralString($raw);
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$this->setFormat($raw[0] === "'" ?
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self::SINGLE_QUOTED :
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self::DOUBLE_QUOTED
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);
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$this->raw = $raw;
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return $this;
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}
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/**
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* Returns string format
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*
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* @return string
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*/
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public function getFormat()
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{
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return $this->format;
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}
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/**
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* Sets string format
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*
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* @param string $format Format, one of the format constants
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*
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* @return $this
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*/
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public function setFormat($format)
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{
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$this->format = $format;
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$quote = $format === self::SINGLE_QUOTED ? "'" : '"';
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$this->raw = Utils::quoteLiteralString($this->value, $quote);
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return $this;
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}
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}
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