1 files changed, 94 insertions, 0 deletions
diff --git a/vendor/ipl/web/src/Filter/QueryString.php b/vendor/ipl/web/src/Filter/QueryString.php
new file mode 100644
index 0000000..e1bb533
--- /dev/null
+++ b/vendor/ipl/web/src/Filter/QueryString.php
@@ -0,0 +1,94 @@
+<?php
+
+namespace ipl\Web\Filter;
+
+use InvalidArgumentException;
+use ipl\Stdlib\Filter;
+
+final class QueryString
+{
+    /** @var string Emitted for every completely parsed condition */
+    const ON_CONDITION = Parser::ON_CONDITION;
+
+    /** @var string Emitted for every completely parsed chain */
+    const ON_CHAIN = Parser::ON_CHAIN;
+
+    /**
+     * This class is only a factory / helper
+     */
+    private function __construct()
+    {
+    }
+
+    /**
+     * Derive a rule from the given query string
+     *
+     * @param string $string
+     *
+     * @return Parser
+     */
+    public static function fromString($string)
+    {
+        return new Parser($string);
+    }
+
+    /**
+     * Derive a rule from the given query string
+     *
+     * @param string $string
+     *
+     * @return Filter\Rule
+     */
+    public static function parse($string)
+    {
+        return (new Parser($string))->parse();
+    }
+
+    /**
+     * Assemble a query string for the given rule
+     *
+     * @param Filter\Rule $rule
+     *
+     * @return string
+     */
+    public static function render(Filter\Rule $rule)
+    {
+        return (new Renderer($rule))->render();
+    }
+
+    /**
+     * Get the symbol associated with the given rule
+     *
+     * @param Filter\Rule $rule
+     *
+     * @return string
+     */
+    public static function getRuleSymbol(Filter\Rule $rule)
+    {
+        switch (true) {
+            case $rule instanceof Filter\Unlike:
+                return '!~';
+            case $rule instanceof Filter\Unequal:
+                return '!=';
+            case $rule instanceof Filter\Like:
+                return '~';
+            case $rule instanceof Filter\Equal:
+                return '=';
+            case $rule instanceof Filter\GreaterThan:
+                return '>';
+            case $rule instanceof Filter\LessThan:
+                return '<';
+            case $rule instanceof Filter\GreaterThanOrEqual:
+                return '>=';
+            case $rule instanceof Filter\LessThanOrEqual:
+                return '<=';
+            case $rule instanceof Filter\All:
+                return '&';
+            case $rule instanceof Filter\Any:
+            case $rule instanceof Filter\None:
+                return '|';
+            default:
+                throw new InvalidArgumentException('Unknown rule type provided');
+        }
+    }
+}