ZipFile Class Reference

Zip file - reader helper class. More...

#include <ZipUtils.h>

Public Member Functions
	ZipFile (const std::string &zipFile, const std::string &filter=std::string())
	Constructor, open zip file and store file list. More...
virtual	~ZipFile ()
bool	setFilter (const std::string &filter)
	Regenerate accessible file list based on a new filter string. More...
bool	fileExists (const std::string &fileName) const
	Check does a file exists or not in zip file. More...
unsigned char *	getFileData (const std::string &fileName, ssize_t *size)
	Get resource file data from a zip file. More...

Detailed Description

Zip file - reader helper class.

It will cache the file list of a particular zip file with positions inside an archive, so it would be much faster to read some particular files or to check their existance.

Since

v2.0.5

Constructor & Destructor Documentation

ZipFile	(	const std::string &	zipFile,
		const std::string &	filter = std::string()
	)

Constructor, open zip file and store file list.

Parameters

zipFile	Zip file name
filter	The first part of file names, which should be accessible. For example, "assets/". Other files will be missed.

Since

v2.0.5

virtual ~ZipFile ( )

virtual

Member Function Documentation

bool fileExists

(

const std::string &

fileName)

const

Check does a file exists or not in zip file.

Parameters

fileName

File to be checked on existance

Returns

true whenever file exists, false otherwise

Since

v2.0.5

unsigned char* getFileData	(	const std::string &	fileName,
		ssize_t *	size
	)

Get resource file data from a zip file.

Parameters

	fileName	File name
[out]	pSize	If the file read operation succeeds, it will be the data size, otherwise 0.

Returns

Upon success, a pointer to the data is returned, otherwise nullptr.

Warning

Recall: you are responsible for calling free() on any Non-nullptr pointer returned.

Since

v2.0.5

bool setFilter

(

const std::string &

filter)

Regenerate accessible file list based on a new filter string.

Parameters

filter

New filter string (first part of files names)

Returns

true whenever zip file is open successfully and it is possible to locate at least the first file, false otherwise

Since

v2.0.5

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The documentation for this class was generated from the following file:

• /Users/cocos2d/MyWork/cocos2d-x-develop/cocos/2d/ZipUtils.h