/**
* Breakdown
*
* Breakdown the the foreach, set the parts.
*
* @return void
*/
public function breakdown()
{
// Full Expression
$full = $this->getFullExpression($this->structure);
// Get array expression
if (preg_match('/^%\\w+/', $full, $matches)) {
$this->parts['expression'] = SH::remove('%', $matches[0]);
} else {
return;
}
// Get value
if (preg_match('/%\\w+$/', $full, $matches)) {
$this->parts['value'] = SH::remove('%', $matches[0]);
} else {
return;
}
// Is there a key/value pair?
if (preg_match('/\\s?\\=\\>\\s?/', $full)) {
if (preg_match('/%\\w+\\s?\\=\\>\\s?/', $full, $matches)) {
// Remove =>
$this->parts['key'] = SH::remove('/\\s?\\=\\>\\s?/', $matches[0]);
}
} else {
$this->parts['key'] = null;
}
// Get Statement
$this->parts['statement'] = SH::remove('/\\t*\\?foreach\\(.+\\):|\\t*\\?endforeach/', $this->structure);
}
/**
* Get File Name
*
* @return string
*/
public function getFileName($string)
{
return preg_match('/\\(.+\\)/', $string, $matches) ? SH::remove('/\\(|\\)/', $matches[0]) : '';
}
/**
* Get Full Expression
*
* Returns a structure's expression excluding
* the opening and closing parenthesis.
*
* Ex: people as person
*
* @param string $structure
* @return string
*/
public function getFullExpression($structure)
{
if (preg_match('/\\(.+\\)/', $structure, $matches)) {
return SH::remove('/^\\(|\\)$/', $matches[0]);
}
}
/**
* Get Attributes
*
* Return attributes from a given line.
*
* @param string $line
* @return array
*/
public function getAttributes($line)
{
$pattern = '/(".+?")\\s?(=>)\\s?(".+?")/';
$attributes = [];
// Get unparsed attributes from line
if (preg_match_all($pattern, $line, $matches)) {
foreach ($matches[0] as $attribute) {
// Get properties and their values
if (preg_match_all('/".+?"/', $attribute, $values)) {
$att = SH::remove('"', $values[0][0]);
$val = SH::remove('"', $values[0][1]);
$attributes[$att] = $val;
}
}
return $attributes;
}
}
/**
* Update Variable
*
* @param string $variable
* @param string $value
* @return void
*/
public function updateVariable($variable, $value)
{
if (preg_match('/\\+\\+|\\-\\-/', $variable)) {
$shouldAdd = preg_match('/\\+\\+/', $variable);
$variable = SH::remove('/\\+\\+|\\-\\-/', $variable);
if ($shouldAdd) {
$value = $this->data[$variable] + 1;
} else {
$value = $this->data[$variable] - 1;
}
}
// Update
$this->data[$variable] = $value;
}
<?php
use Aah\Helpers\StringHelper as SH;
describe("String Helper", function () {
describe("::remove()", function () {
it("passes if string is removed", function () {
$string = 'Let us remove the word test!';
$expected = 'Let us remove the word !';
$result = SH::remove('test', $string);
expect($result)->toBe($expected);
});
it("passes if regex is removed from string", function () {
$string = 'Let us remove the word test and dog!';
$expected = 'Let us remove the word and !';
$result = SH::remove('/test|dog/', $string);
expect($result)->toBe($expected);
});
});
});
/**
* Replace Variables
*
* Replace variables in the expression with
* actual data.
*
* @param string $expression
* @return string
*/
public function replaceVariables($expression)
{
preg_match('/%\\w+/', $expression, $matches);
$originalVar = $matches[0];
$replacementVar = '"' . $this->data[SH::remove('%', $matches[0])] . '"';
return preg_replace("/{$originalVar}/", $replacementVar, $this->parts['expression']);
}