/** * @file llurlregistry.h * @author Martin Reddy * @brief Contains a set of Url types that can be matched in a string * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLURLREGISTRY_H #define LL_LLURLREGISTRY_H #include "llurlentry.h" #include "llurlmatch.h" #include "llsingleton.h" #include "llstring.h" #include <string> #include <vector> /// This default callback for findUrl() simply ignores any label updates void LLUrlRegistryNullCallback(const std::string &url, const std::string &label, const std::string &icon); /// /// LLUrlRegistry is a singleton that contains a set of Url types that /// can be matched in string. E.g., http:// or secondlife:// Urls. /// /// Clients call the findUrl() method on a string to locate the first /// occurence of a supported Urls in that string. If findUrl() returns /// true, the LLUrlMatch object will be updated to describe the Url /// that was matched, including a label that can be used to hyperlink /// the Url, an icon to display next to the Url, and a XUI menu that /// can be used as a popup context menu for that Url. /// /// New Url types can be added to the registry with the registerUrl /// method. E.g., to add support for a new secondlife:///app/ Url. /// /// Computing the label for a Url could involve a roundtrip request /// to the server (e.g., to find the actual agent or group name). /// As such, you can provide a callback method that will get invoked /// when a new label is available for one of your matched Urls. /// class LLUrlRegistry : public LLSingleton<LLUrlRegistry> { LLSINGLETON(LLUrlRegistry); ~LLUrlRegistry(); public: /// add a new Url handler to the registry (will be freed on destruction) /// optionally force it to the front of the list, making it take /// priority over other regular expression matches for URLs void registerUrl(LLUrlEntryBase *url, bool force_front = false); /// get the next Url in an input string, starting at a given character offset /// your callback is invoked if the matched Url's label changes in the future bool findUrl(const std::string &text, LLUrlMatch &match, const LLUrlLabelCallback &cb = &LLUrlRegistryNullCallback, bool is_content_trusted = false); /// a slightly less efficient version of findUrl for wide strings bool findUrl(const LLWString &text, LLUrlMatch &match, const LLUrlLabelCallback &cb = &LLUrlRegistryNullCallback); // return true if the given string contains a URL that findUrl would match bool hasUrl(const std::string &text); bool hasUrl(const LLWString &text); // return true if the given string is a URL that findUrl would match bool isUrl(const std::string &text); bool isUrl(const LLWString &text); private: std::vector<LLUrlEntryBase *> mUrlEntry; LLUrlEntryBase* mUrlEntryTrusted; LLUrlEntryBase* mUrlEntryIcon; LLUrlEntryBase* mLLUrlEntryInvalidSLURL; LLUrlEntryBase* mUrlEntryHTTPLabel; LLUrlEntryBase* mUrlEntrySLLabel; LLUrlEntryBase* mUrlEntryNoLink; }; #endif