forked from mia/Aegisub
1e0f08c0ed
Use boost::filesystem::path for all paths, and std::string for all other strings, converting to/from wxString as close to the actual uses of wx as possible. Where possible, replace the uses of non-UI wxWidgets functionality with the additions to the standard library in C++11, or the equivalents in boost. Move the path token management logic to libaegisub (and rewrite it in the process). Add a basic thread pool based on asio and std::thread to libaegisub. This touches nearly every file in the project and a nontrivial amount of code had to be rewritten entirely, so there's probably a lot of broken stuff.
111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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/// @file mru.h
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/// @brief Public interface for MRU (Most Recently Used) lists.
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/// @ingroup libaegisub
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#include <boost/filesystem/path.hpp>
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#include <deque>
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#include <list>
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#include <map>
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#include <libaegisub/exception.h>
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#include <libaegisub/fs_fwd.h>
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namespace json {
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class UnknownElement;
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typedef std::deque<UnknownElement> Array;
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}
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namespace agi {
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class Options;
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}
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namespace agi {
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DEFINE_BASE_EXCEPTION_NOINNER(MRUError,Exception)
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DEFINE_SIMPLE_EXCEPTION_NOINNER(MRUErrorInvalidKey, MRUError, "mru/invalid")
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DEFINE_SIMPLE_EXCEPTION_NOINNER(MRUErrorIndexOutOfRange, MRUError, "mru/invalid")
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/// @class MRUManager
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/// @brief Most Recently Used (MRU) list handling
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///
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/// Add() should be called anytime a file is opened, this will either add the
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/// entry or update it if it already exists.
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///
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/// If a file fails to open, Remove() should be called.
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///
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class MRUManager {
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public:
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/// @brief Map for time->value pairs.
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typedef std::list<agi::fs::path> MRUListMap;
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/// @brief Constructor
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/// @param config File to load MRU values from
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MRUManager(agi::fs::path const& config, std::string const& default_config, agi::Options *options = 0);
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/// Destructor
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~MRUManager();
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/// @brief Add entry to the list.
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/// @param key List name
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/// @param entry Entry to add
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/// @exception MRUErrorInvalidKey thrown when an invalid key is used.
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void Add(std::string const& key, agi::fs::path const& entry);
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/// @brief Remove entry from the list.
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/// @param key List name
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/// @param entry Entry to add
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/// @exception MRUErrorInvalidKey thrown when an invalid key is used.
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void Remove(std::string const& key, agi::fs::path const& entry);
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/// @brief Return list
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/// @param key List name
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/// @exception MRUErrorInvalidKey thrown when an invalid key is used.
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const MRUListMap* Get(std::string const& key);
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/// @brief Return A single entry in a list.
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/// @param key List name
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/// @param entry 0-base position of entry
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/// @exception MRUErrorInvalidKey thrown when an invalid key is used.
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agi::fs::path const& GetEntry(std::string const& key, const size_t entry);
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/// Write MRU lists to disk.
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void Flush();
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private:
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/// Internal name of the config file, set during object construction.
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const agi::fs::path config_name;
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/// User preferences object for maximum number of items to list
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agi::Options *const options;
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/// @brief Map for MRUListMap values.
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/// @param std::string Name
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/// @param MRUListMap instance.
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typedef std::map<std::string, MRUListMap> MRUMap;
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/// Internal MRUMap values.
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MRUMap mru;
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/// Map from MRU name to option name
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std::map<const std::string, std::string> option_names;
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void Load(std::string const& key, ::json::Array const& array);
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void Prune(std::string const& key, MRUListMap& map) const;
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MRUListMap &Find(std::string const& key);
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};
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} // namespace agi
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