1 files changed, 177 insertions, 0 deletions
diff --git a/vendor/ipl/web/src/LessRuleset.php b/vendor/ipl/web/src/LessRuleset.php
new file mode 100644
index 0000000..2e30a4b
--- /dev/null
+++ b/vendor/ipl/web/src/LessRuleset.php
@@ -0,0 +1,177 @@
+<?php
+
+namespace ipl\Web;
+
+use ArrayObject;
+use Less_Parser;
+
+/**
+ * @extends ArrayObject<string, string>
+ */
+class LessRuleset extends ArrayObject
+{
+    /** @var ?string */
+    protected $selector;
+
+    /** @var array<LessRuleset> */
+    protected $children = [];
+
+    /**
+     * Create a new LessRuleset
+     *
+     * @param string $selector Selector to use
+     * @param array<string, string> $properties CSS properties
+     *
+     * @return self
+     */
+    public static function create(string $selector, array $properties): self
+    {
+        $ruleset = new static();
+        $ruleset->selector = $selector;
+        $ruleset->exchangeArray($properties);
+
+        return $ruleset;
+    }
+
+    /**
+     * Get the selector
+     *
+     * @return ?string
+     */
+    public function getSelector(): ?string
+    {
+        return $this->selector;
+    }
+
+    /**
+     * Set the selector
+     *
+     * @param string $selector
+     *
+     * @return $this
+     */
+    public function setSelector(string $selector): self
+    {
+        $this->selector = $selector;
+
+        return $this;
+    }
+
+    /**
+     * Get a property value
+     *
+     * @param string $property Name of the property
+     *
+     * @return string
+     */
+    public function getProperty(string $property): string
+    {
+        return (string) $this[$property];
+    }
+
+    /**
+     * Set a property
+     *
+     * @param string $property Name to use
+     * @param string $value Value to set
+     *
+     * @return $this
+     */
+    public function setProperty(string $property, string $value): self
+    {
+        $this[$property] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Get all properties
+     *
+     * @return array<string, string>
+     */
+    public function getProperties(): array
+    {
+        return $this->getArrayCopy();
+    }
+
+    /**
+     * Set properties
+     *
+     * @param array<string, string> $properties
+     *
+     * @return $this
+     */
+    public function setProperties(array $properties): self
+    {
+        $this->exchangeArray($properties);
+
+        return $this;
+    }
+
+    /**
+     * Create and add a ruleset
+     *
+     * @param string $selector Selector to use
+     * @param array<string, string> $properties CSS properties
+     *
+     * @return $this
+     */
+    public function add(string $selector, array $properties): self
+    {
+        $this->children[] = static::create($selector, $properties);
+
+        return $this;
+    }
+
+    /**
+     * Add a ruleset
+     *
+     * @param LessRuleset $ruleset
+     *
+     * @return $this
+     */
+    public function addRuleset(LessRuleset $ruleset): self
+    {
+        $this->children[] = $ruleset;
+
+        return $this;
+    }
+
+    /**
+     * Compile the ruleset to CSS
+     *
+     * @return string
+     */
+    public function renderCss(): string
+    {
+        $parser = new Less_Parser(['compress' => true]);
+        $parser->parse($this->renderLess());
+
+        return $parser->getCss();
+    }
+
+    /**
+     * Render the ruleset to LESS
+     *
+     * @return string
+     */
+    protected function renderLess(): string
+    {
+        $less = [];
+
+        foreach ($this as $property => $value) {
+            $less[] = "$property: $value;";
+        }
+
+        foreach ($this->children as $ruleset) {
+            $less[] = $ruleset->renderLess();
+        }
+
+        if ($this->selector !== null) {
+            array_unshift($less, "$this->selector {");
+            $less[] = '}';
+        }
+
+        return implode("\n", $less);
+    }
+}