SLIOReaderLocalStorage Class Reference

SLIOStream implementation for reading from browser local storage. More...

#include <SLIOLocalStorage.h>

Inheritance diagram for SLIOReaderLocalStorage:

Public Member Functions
	SLIOReaderLocalStorage (std::string path)
	~SLIOReaderLocalStorage ()
Public Member Functions inherited from SLIOReaderMemory
	SLIOReaderMemory (std::string path)
size_t	read (void *buffer, size_t size)
size_t	tell ()
bool	seek (size_t offset, Origin origin)
size_t	size ()
Public Member Functions inherited from SLIOStream
virtual	~SLIOStream ()=default
virtual size_t	write (const void *buffer, size_t size)
virtual void	flush ()

Additional Inherited Members
Public Types inherited from SLIOStream
enum	Origin { IOO_beg , IOO_cur , IOO_end }
Protected Attributes inherited from SLIOReaderMemory
std::string	_path
size_t	_position

Detailed Description

SLIOStream implementation for reading from browser local storage.

The constructor loads the file from local storage into memory using the JavaScript API provided by the web browser.

Definition at line 29 of file SLIOLocalStorage.h.

Constructor & Destructor Documentation

SLIOReaderLocalStorage()

SLIOReaderLocalStorage::SLIOReaderLocalStorage

(

std::string

path

)

Definition at line 25 of file SLIOLocalStorage.cpp.

  : SLIOReaderMemory(path)
{
    char* data;
    int   length;
 
    // clang-format off
    MAIN_THREAD_EM_ASM({
        let path = UTF8ToString($0);
        let key = "SL:" + path;
        let item = localStorage.getItem(key);
        let string = atob(item);
 
        // Allocate one more byte than necessary because stringToAscii includes a null terminator.
        let buffer = _malloc(string.length + 1);
        stringToAscii(string, buffer, string.length + 1);
 
        setValue($1, buffer, "i8*");
        setValue($2, string.length, "i32");
    }, path.c_str(), &data, &length);
    // clang-format on
 
    std::vector<char> vector(data, data + length);
    SLIOMemory::set(path, vector);
}

~SLIOReaderLocalStorage()

SLIOReaderLocalStorage::~SLIOReaderLocalStorage

(

)

Definition at line 51 of file SLIOLocalStorage.cpp.

{
    SLIOMemory::clear(_path);
}

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

• SLIOLocalStorage.h
• SLIOLocalStorage.cpp