mirror of https://github.com/axmolengine/axmol.git
303 lines
12 KiB
C++
303 lines
12 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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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 __CC_FILEUTILS_PLATFORM_H__
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#define __CC_FILEUTILS_PLATFORM_H__
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#include <string>
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#include <vector>
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#include "CCPlatformMacros.h"
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#include "ccTypes.h"
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#include "ccTypeInfo.h"
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NS_CC_BEGIN
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class CCDictionary;
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class CCArray;
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/**
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* @addtogroup platform
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* @{
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*/
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//! @brief Helper class to handle file operations
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class CC_DLL CCFileUtils : public TypeInfo
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{
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public:
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/**
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* Returns an unique ID for this class.
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* @note It's only used for JSBindings now.
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* @return The unique ID for this class.
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*/
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virtual long getClassTypeInfo() {
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static const long id = cocos2d::getHashCodeByString(typeid(cocos2d::CCFileUtils).name());
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return id;
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}
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/**
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* Gets the instance of CCFileUtils.
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*/
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static CCFileUtils* sharedFileUtils();
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/**
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* Destroys the instance of CCFileUtils.
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*/
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static void purgeFileUtils();
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/**
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* Purges the file searching cache.
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*
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* @note It should be invoked after the resources were updated.
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* For instance, in the CocosPlayer sample, every time you run application from CocosBuilder,
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* All the resources will be downloaded to the writable folder, before new js app launchs,
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* this method should be invoked to clean the file search cache.
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*/
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void purgeCachedEntries();
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/**
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@brief Get resource file data
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@param[in] pszFileName The resource file name which contains the path.
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@param[in] pszMode The read mode of the file.
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@param[out] pSize If the file read operation succeeds, it will be the data size, otherwise 0.
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@return Upon success, a pointer to the data is returned, otherwise NULL.
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@warning Recall: you are responsible for calling delete[] on any Non-NULL pointer returned.
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*/
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unsigned char* getFileData(const char* pszFileName, const char* pszMode, unsigned long * pSize);
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/**
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@brief Get resource file data from a zip file.
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@param[in] pszFileName The resource file name which contains the relative path of the zip file.
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@param[out] pSize If the file read operation succeeds, it will be the data size, otherwise 0.
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@return Upon success, a pointer to the data is returned, otherwise NULL.
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@warning Recall: you are responsible for calling delete[] on any Non-NULL pointer returned.
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*/
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unsigned char* getFileDataFromZip(const char* pszZipFilePath, const char* pszFileName, unsigned long * pSize);
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/**
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* @brief Generate the absolute path of the file.
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* @param pszRelativePath The relative path of the file.
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* @return The absolute path of the file.
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* @warning We only add the ResourcePath before the relative path of the file.
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* @deprecated Please use fullPathForFilename instead.
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*
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*/
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CC_DEPRECATED_ATTRIBUTE const char* fullPathFromRelativePath(const char *pszRelativePath);
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/** Returns the fullpath for a given filename.
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First it will try to get a new filename from the "filenameLookup" dictionary.
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If a new filename can't be found on the dictionary, it will use the original filename.
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Then it will try to obtain the full path of the filename using the CCFileUtils search rules: resolutions, and search paths.
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The file search is based on the array element order of search paths and resolution directories.
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For instance:
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We set two elements("/mnt/sdcard/", "internal_dir/") to search paths vector by setSearchPaths,
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and set three elements("resources-ipadhd/", "resources-ipad/", "resources-iphonehd")
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to resolutions vector by setSearchResolutionsOrder. The "internal_dir" is relative to "Resources/".
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If we have a file named 'sprite.png', the mapping in fileLookup dictionary contains `key: sprite.png -> value: sprite.pvr.gz`.
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Firstly, it will replace 'sprite.png' with 'sprite.pvr.gz', then searching the file sprite.pvr.gz as follows:
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/mnt/sdcard/resources-ipadhd/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/resources-ipad/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/resources-iphonehd/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/sprite.pvr.gz (if not found, search next)
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internal_dir/resources-ipadhd/sprite.pvr.gz (if not found, search next)
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internal_dir/resources-ipad/sprite.pvr.gz (if not found, search next)
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internal_dir/resources-iphonehd/sprite.pvr.gz (if not found, search next)
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internal_dir/sprite.pvr.gz (if not found, return "sprite.png")
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If the filename contains relative path like "gamescene/uilayer/sprite.png",
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and the mapping in fileLookup dictionary contains `key: gamescene/uilayer/sprite.png -> value: gamescene/uilayer/sprite.pvr.gz`.
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The file search order will be:
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/mnt/sdcard/gamescene/uilayer/resources-ipadhd/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/gamescene/uilayer/resources-ipad/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/gamescene/uilayer/resources-iphonehd/sprite.pvr.gz (if not found, search next)
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/mnt/sdcard/gamescene/uilayer/sprite.pvr.gz (if not found, search next)
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internal_dir/gamescene/uilayer/resources-ipadhd/sprite.pvr.gz (if not found, search next)
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internal_dir/gamescene/uilayer/resources-ipad/sprite.pvr.gz (if not found, search next)
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internal_dir/gamescene/uilayer/resources-iphonehd/sprite.pvr.gz (if not found, search next)
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internal_dir/gamescene/uilayer/sprite.pvr.gz (if not found, return "gamescene/uilayer/sprite.png")
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If the new file can't be found on the file system, it will return the parameter pszFileName directly.
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This method was added to simplify multiplatform support. Whether you are using cocos2d-js or any cross-compilation toolchain like StellaSDK or Apportable,
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you might need to load different resources for a given file in the different platforms.
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@since v2.1
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*/
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std::string fullPathForFilename(const char* pszFileName);
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/**
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* Loads the filenameLookup dictionary from the contents of a filename.
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*
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* @note The plist file name should follow the format below:
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* <?xml version="1.0" encoding="UTF-8"?>
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* <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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* <plist version="1.0">
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* <dict>
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* <key>filenames</key>
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* <dict>
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* <key>sounds/click.wav</key>
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* <string>sounds/click.caf</string>
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* <key>sounds/endgame.wav</key>
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* <string>sounds/endgame.caf</string>
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* <key>sounds/gem-0.wav</key>
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* <string>sounds/gem-0.caf</string>
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* </dict>
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* <key>metadata</key>
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* <dict>
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* <key>version</key>
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* <integer>1</integer>
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* </dict>
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* </dict>
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* </plist>
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*
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* @param filename The plist file name.
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*
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@since v2.1
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*/
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void loadFilenameLookupDictionaryFromFile(const char* filename);
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/**
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* Sets the filenameLookup dictionary.
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*
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* @param pFilenameLookupDict The dictionary for replacing filename.
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* @since v2.1
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*/
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void setFilenameLookupDictionary(CCDictionary* pFilenameLookupDict);
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/**
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* Gets full path from a file name and the path of the reletive file.
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* @param pszFilename The file name.
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* @param pszRelativeFile The path of the relative file.
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* @return The full path.
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* e.g. pszFilename: hello.png, pszRelativeFile: /User/path1/path2/hello.plist
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* Return: /User/path1/path2/hello.pvr (If there a a key(hello.png)-value(hello.pvr) in FilenameLookup dictionary. )
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*
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*/
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const char* fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile);
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/**
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@brief Set the resource directory; we will find resources relative to this directory.
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@param pszDirectoryName Relative path to root.
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@deprecated Please use setSearchPaths instead.
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*/
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CC_DEPRECATED_ATTRIBUTE void setResourceDirectory(const char *pszDirectoryName);
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/**
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* Sets the array that contains the search order of the resources.
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*
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* @param searchResolutionsOrder The source array that contains the search order of the resources.
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* @see getSearchResolutionsOrder(), fullPathForFilename().
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* @since v2.1
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*/
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void setSearchResolutionsOrder(const std::vector<std::string>& searchResolutionsOrder);
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/**
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* Gets the array that contains the search order of the resources.
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*
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* @see setSearchResolutionsOrder(), fullPathForFilename().
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* @since v2.1
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*/
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const std::vector<std::string>& getSearchResolutionsOrder();
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/**
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* Sets the array of search paths.
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* You can use this array to modify the search path of the resources.
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* If you want to use "themes" or search resources in the "cache", you can do it easily by adding new entries in this array.
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*
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* @note This method could access relative path and absolute path.
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* If the relative path was passed to the vector, CCFileUtils will add the default resource directory before the relative path.
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* For instance:
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* On Android, the default resource root path is "assets/".
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* If "/mnt/sdcard/" and "resources-large" were set to the search paths vector,
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* "resources-large" will be converted to "assets/resources-large" since it was a relative path.
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*
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* @param searchPaths The array contains search paths.
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* @see fullPathForFilename()
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* @since v2.1
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*/
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void setSearchPaths(const std::vector<std::string>& searchPaths);
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/**
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* Gets the array of search paths.
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*
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* @return The array of search paths.
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* @see fullPathForFilename().
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*/
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const std::vector<std::string>& getSearchPaths();
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/**
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* Gets the resource directory
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* @deprecated Please use getSearchPaths() instead.
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*/
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CC_DEPRECATED_ATTRIBUTE const char* getResourceDirectory();
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/**
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@brief Get the writeable path
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@return The path that can write/read file
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*/
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std::string getWriteablePath();
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/**
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@brief Set/Get whether pop-up a message box when the image load failed
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*/
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void setPopupNotify(bool bNotify);
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bool isPopupNotify();
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protected:
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CCFileUtils(void)
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: m_pFilenameLookupDict(NULL)
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{
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}
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bool init();
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std::string getNewFilename(const char* pszFileName);
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std::string getPathForFilename(const std::string& filename, const std::string& resourceDirectory, const std::string& searchPath);
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std::string m_obDirectory;
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/** Dictionary used to lookup filenames based on a key.
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It is used internally by the following methods:
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const char* fullPathForFilename(const char* )key;
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@since v2.1
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*/
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CCDictionary* m_pFilenameLookupDict;
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std::vector<std::string> m_searchResolutionsOrderArray;
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std::vector<std::string> m_searchPathArray;
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std::string m_strDefaultResRootPath;
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};
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// end of platform group
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/// @}
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NS_CC_END
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#endif // __CC_FILEUTILS_PLATFORM_H__
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