version 0.2

mashapebase/http/urlUtils.php

@@ -0,0 +1,134 @@
+<?php
+
+/*
+ * Mashape PHP Client library.
+ *
+ * Copyright (C) 2011 Mashape, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *
+ * The author of this software is Mashape, Inc.
+ * For any question or feedback please contact us at: support@mashape.com
+ *
+ */
+
+require_once(dirname(__FILE__) . "/../init/init.php");
+
+class UrlUtils {
+
+	private static function addRouteParameter($url, $parameterName) {
+		$result = $url;
+		$pos = strpos($url, "?");
+		if ($pos === false) {
+			$result .= "?";
+		}
+		if (substr($result, strlen($result) - 1, 1) != "?") {
+			$result .= "&";
+		}
+		$result .= $parameterName . "={" . $parameterName . "}";
+		return $result;
+	}
+
+	public static function addClientParameters($url) {
+		$result = self::addRouteParameter($url, TOKEN);
+		$result = self::addRouteParameter($result, LANGUAGE);
+		$result = self::addRouteParameter($result, VERSION);
+		return $result;
+	}
+
+	public static function getCleanUrl($url, $parameters) {
+		if ($parameters == null) {
+			$parameters = array();
+		}
+
+		$finalUrl = "";
+
+		for($i=0;$i < strlen($url);$i++) {
+			$curchar = substr($url, $i, 1);
+
+			if ($curchar == "{") {
+				// It may be a placeholder
+
+				$pos = strpos($url, "}", $i);
+				if ($pos !== false) {
+					// It's a placeholder
+
+					$placeHolder = substr($url, $i + 1, $pos - 1 - $i); // Get the placeholder name without {..}
+					if (array_key_exists($placeHolder, $parameters) === false) {
+						// If it doesn't exist in the array, remove it
+							
+						if (substr($url, $i - 1, 1) == "=") {
+							// It's a query string placeholder, remove also its name
+
+							for ($t = strlen($finalUrl) - 1;$t>=0;$t--) {
+								$backChar = substr($finalUrl, $t, 1);
+								if ($backChar == "?" || $backChar == "&") {
+									$finalUrl = substr($finalUrl, 0, ($backChar == "?") ? $t + 1 : $t);
+									break;
+								}
+							}
+
+						}
+							
+						$i = $pos;
+						continue;
+							
+					}
+				}
+			}
+			$finalUrl .= $curchar;
+
+		}
+
+		return str_replace("?&", "?", $finalUrl);
+
+	}
+
+	public static function removeQueryString($url) {
+		$urlParts = explode("?", $url);
+		return $urlParts[0];
+	}
+
+	public static function getQueryStringParameters($url) {
+		$result = array();
+		$urlParts = explode("?", $url);
+		if (count($urlParts) > 1) {
+			$queryString = $urlParts[1];
+			$parameters = explode("&", $queryString);
+			foreach($parameters as $parameter) {
+				$p = explode("=", $parameter);
+				if (count($p) > 1) {
+					if (self::isPlaceHolder($p[1]) == false) {
+						$result[$p[0]] = $p[1];
+					}
+				}
+			}
+		}
+		return $result;
+	}
+
+	private static function isPlaceholder($val) {
+		if (!empty($val)) {
+			if (strlen($val) >= 2) {
+				if (substr($val, 0, 1) == "{" && substr($val, strlen($val) - 1, 1) == "}") {
+					return true;
+				}
+			}
+		}
+		return false;
+	}
+
+}
+?>