Primo Committ

vendor/laravel/framework/src/Illuminate/Validation/ValidationData.php

@@ -0,0 +1,113 @@
+<?php
+
+namespace Illuminate\Validation;
+
+use Illuminate\Support\Arr;
+use Illuminate\Support\Str;
+
+class ValidationData
+{
+    /**
+     * Initialize and gather data for given attribute.
+     *
+     * @param  string  $attribute
+     * @param  array  $masterData
+     * @return array
+     */
+    public static function initializeAndGatherData($attribute, $masterData)
+    {
+        $data = Arr::dot(static::initializeAttributeOnData($attribute, $masterData));
+
+        return array_merge($data, static::extractValuesForWildcards(
+            $masterData, $data, $attribute
+        ));
+    }
+
+    /**
+     * Gather a copy of the attribute data filled with any missing attributes.
+     *
+     * @param  string  $attribute
+     * @param  array  $masterData
+     * @return array
+     */
+    protected static function initializeAttributeOnData($attribute, $masterData)
+    {
+        $explicitPath = static::getLeadingExplicitAttributePath($attribute);
+
+        $data = static::extractDataFromPath($explicitPath, $masterData);
+
+        if (! Str::contains($attribute, '*') || Str::endsWith($attribute, '*')) {
+            return $data;
+        }
+
+        return data_set($data, $attribute, null, true);
+    }
+
+    /**
+     * Get all of the exact attribute values for a given wildcard attribute.
+     *
+     * @param  array  $masterData
+     * @param  array  $data
+     * @param  string  $attribute
+     * @return array
+     */
+    protected static function extractValuesForWildcards($masterData, $data, $attribute)
+    {
+        $keys = [];
+
+        $pattern = str_replace('\*', '[^\.]+', preg_quote($attribute));
+
+        foreach ($data as $key => $value) {
+            if ((bool) preg_match('/^'.$pattern.'/', $key, $matches)) {
+                $keys[] = $matches[0];
+            }
+        }
+
+        $keys = array_unique($keys);
+
+        $data = [];
+
+        foreach ($keys as $key) {
+            $data[$key] = Arr::get($masterData, $key);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Extract data based on the given dot-notated path.
+     *
+     * Used to extract a sub-section of the data for faster iteration.
+     *
+     * @param  string  $attribute
+     * @param  array  $masterData
+     * @return array
+     */
+    public static function extractDataFromPath($attribute, $masterData)
+    {
+        $results = [];
+
+        $value = Arr::get($masterData, $attribute, '__missing__');
+
+        if ($value !== '__missing__') {
+            Arr::set($results, $attribute, $value);
+        }
+
+        return $results;
+    }
+
+    /**
+     * Get the explicit part of the attribute name.
+     *
+     * E.g. 'foo.bar.*.baz' -> 'foo.bar'
+     *
+     * Allows us to not spin through all of the flattened data for some operations.
+     *
+     * @param  string  $attribute
+     * @return string
+     */
+    public static function getLeadingExplicitAttributePath($attribute)
+    {
+        return rtrim(explode('*', $attribute)[0], '.') ?: null;
+    }
+}