mirror of https://github.com/axmolengine/axmol.git
249 lines
7.2 KiB
C++
249 lines
7.2 KiB
C++
/****************************************************************************
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Copyright (c) 2013 cocos2d-x.org
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __Manifest__
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#define __Manifest__
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "extensions/ExtensionMacros.h"
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#include "extensions/ExtensionExport.h"
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#include "network/CCDownloader.h"
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#include "platform/CCFileUtils.h"
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#include "rapidjson/document-wrapper.h"
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NS_CC_EXT_BEGIN
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struct DownloadUnit
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{
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std::string srcUrl;
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std::string storagePath;
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std::string customId;
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float size;
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};
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struct ManifestAsset {
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std::string md5;
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std::string path;
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bool compressed;
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float size;
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int downloadState;
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};
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typedef std::unordered_map<std::string, DownloadUnit> DownloadUnits;
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class CC_EX_DLL Manifest : public Ref
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{
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public:
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friend class AssetsManagerEx;
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//! The type of difference
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enum class DiffType {
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ADDED,
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DELETED,
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MODIFIED
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};
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enum DownloadState {
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UNSTARTED,
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DOWNLOADING,
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SUCCESSED,
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UNMARKED
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};
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//! Asset object
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typedef ManifestAsset Asset;
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//! Object indicate the difference between two Assets
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struct AssetDiff {
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Asset asset;
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DiffType type;
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};
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/** @brief Check whether the version informations have been fully loaded
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*/
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bool isVersionLoaded() const;
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/** @brief Check whether the manifest have been fully loaded
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*/
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bool isLoaded() const;
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/** @brief Gets remote package url.
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*/
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const std::string& getPackageUrl() const;
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/** @brief Gets remote manifest file url.
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*/
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const std::string& getManifestFileUrl() const;
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/** @brief Gets remote version file url.
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*/
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const std::string& getVersionFileUrl() const;
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/** @brief Gets manifest version.
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*/
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const std::string& getVersion() const;
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/** @brief Get the search paths list related to the Manifest.
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*/
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std::vector<std::string> getSearchPaths() const;
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protected:
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/** @brief Constructor for Manifest class
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* @param manifestUrl Url of the local manifest
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*/
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Manifest(const std::string& manifestUrl = "");
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/** @brief Load the json file into local json object
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* @param url Url of the json file
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*/
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void loadJson(const std::string& url);
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/** @brief Parse the version file information into this manifest
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* @param versionUrl Url of the local version file
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*/
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void parseVersion(const std::string& versionUrl);
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/** @brief Parse the manifest file information into this manifest
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* @param manifestUrl Url of the local manifest
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*/
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void parse(const std::string& manifestUrl);
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/** @brief Check whether the version of this manifest equals to another.
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* @param b The other manifest
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* @return Equal or not
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*/
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bool versionEquals(const Manifest *b) const;
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/** @brief Check whether the version of this manifest is greater than another.
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* @param b The other manifest
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* @param [handle] Customized comparasion handle function
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* @return Greater or not
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*/
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bool versionGreater(const Manifest *b, const std::function<int(const std::string& versionA, const std::string& versionB)>& handle) const;
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/** @brief Generate difference between this Manifest and another.
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* @param b The other manifest
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*/
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std::unordered_map<std::string, AssetDiff> genDiff(const Manifest *b) const;
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/** @brief Generate resuming download assets list
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* @param units The download units reference to be modified by the generation result
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*/
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void genResumeAssetsList(DownloadUnits *units) const;
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/** @brief Prepend all search paths to the FileUtils.
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*/
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void prependSearchPaths();
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void loadVersion(const rapidjson::Document &json);
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void loadManifest(const rapidjson::Document &json);
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void saveToFile(const std::string &filepath);
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Asset parseAsset(const std::string &path, const rapidjson::Value &json);
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void clear();
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/** @brief Gets all groups.
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*/
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const std::vector<std::string>& getGroups() const;
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/** @brief Gets all groups version.
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*/
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const std::unordered_map<std::string, std::string>& getGroupVerions() const;
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/** @brief Gets version for the given group.
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* @param group Key of the requested group
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*/
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const std::string& getGroupVersion(const std::string &group) const;
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/**
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* @brief Gets assets.
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* @lua NA
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*/
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const std::unordered_map<std::string, Asset>& getAssets() const;
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/** @brief Set the download state for an asset
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* @param key Key of the asset to set
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* @param state The current download state of the asset
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*/
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void setAssetDownloadState(const std::string &key, const DownloadState &state);
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void setManifestRoot(const std::string &root) {_manifestRoot = root;};
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private:
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//! Indicate whether the version informations have been fully loaded
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bool _versionLoaded;
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//! Indicate whether the manifest have been fully loaded
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bool _loaded;
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//! Reference to the global file utils
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FileUtils *_fileUtils;
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//! The local manifest root
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std::string _manifestRoot;
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//! The remote package url
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std::string _packageUrl;
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//! The remote path of manifest file
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std::string _remoteManifestUrl;
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//! The remote path of version file [Optional]
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std::string _remoteVersionUrl;
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//! The version of local manifest
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std::string _version;
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//! All groups exist in manifest [Optional]
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std::vector<std::string> _groups;
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//! The versions of all local group [Optional]
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std::unordered_map<std::string, std::string> _groupVer;
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//! The version of local engine
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std::string _engineVer;
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//! Full assets list
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std::unordered_map<std::string, Asset> _assets;
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//! All search paths
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std::vector<std::string> _searchPaths;
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rapidjson::Document _json;
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};
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NS_CC_EXT_END
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#endif /* defined(__Manifest__) */
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