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libdar::trontextual Class Reference

trontextual class is a contextual class tronc, that's all. More...

#include <trontextual.hpp>

Inherits libdar::tronc, and libdar::contextual.

Public Member Functions

 trontextual (generic_file *f, const infinint &offset, const infinint &size, bool own_f=false)
 
 trontextual (generic_file *f, const infinint &offset, const infinint &size, gf_mode mode, bool own_f=false)
 
bool is_an_old_start_end_archive () const
 
const label & get_data_name () const
 
- Public Member Functions inherited from libdar::tronc
 tronc (generic_file *f, const infinint &offset, const infinint &size, bool own_f=false)
 constructor More...
 
 tronc (generic_file *f, const infinint &offset, const infinint &size, gf_mode mode, bool own_f=false)
 
 tronc (generic_file *f, const infinint &offset, bool own_f=false)
 
 tronc (generic_file *f, const infinint &offset, gf_mode mode, bool own_f=false)
 
 ~tronc ()
 destructor
 
void modify (const infinint &new_offset, const infinint &new_size)
 modify the tronc object to zoom on another (size limited) portion of the underlying object
 
void modify (const infinint &new_offset)
 modify the tronc object to zoom on another (size unlimited) portion of the underlying object
 
void modify ()
 modify the tronc object to become transparent and allow unrestricted access to the underlyuing object
 
bool skippable (skippability direction, const infinint &amount)
 inherited from generic_file
 
bool skip (const infinint &pos)
 inherited from generic_file
 
bool skip_to_eof ()
 inherited from generic_file
 
bool skip_relative (S_I x)
 inherited from generic_file
 
infinint get_position () const
 inherited from generic_file
 
void check_underlying_position_while_reading_or_writing (bool mode)
 
- Public Member Functions inherited from libdar::generic_file
 generic_file (gf_mode m)
 main constructor
 
 generic_file (const generic_file &ref)
 copy constructor
 
virtual ~generic_file () throw (Ebug)
 virtual destructor, this let inherited destructor to be called even from a generic_file pointer to an inherited class
 
void terminate () const
 destructor-like call, except that it is allowed to throw exceptions
 
const generic_fileoperator= (const generic_file &ref)
 assignment operator
 
gf_mode get_mode () const
 retreive the openning mode for this object
 
virtual void read_ahead (const infinint &amount)
 
void ignore_read_ahead (bool mode)
 
U_I read (char *a, U_I size)
 read data from the generic_file More...
 
void write (const char *a, U_I size)
 write data to the generic_file More...
 
void write (const std::string &arg)
 write a string to the generic_file More...
 
S_I read_back (char &a)
 skip back one char, read on char and skip back one char
 
S_I read_forward (char &a)
 read one char
 
virtual void copy_to (generic_file &ref)
 copy all data from current position to the object in argument
 
virtual void copy_to (generic_file &ref, const infinint &crc_size, crc *&value)
 copy all data from the current position to the object in argument and computes a CRC value of the transmitted data More...
 
U_32 copy_to (generic_file &ref, U_32 size)
 small copy (up to 4GB) with CRC calculation
 
infinint copy_to (generic_file &ref, infinint size)
 copy the given amount to the object in argument
 
bool diff (generic_file &f, const infinint &me_read_ahead, const infinint &you_read_ahead, const infinint &crc_size, crc *&value)
 compares the contents with the object in argument More...
 
bool diff (generic_file &f, const infinint &me_read_ahead, const infinint &you_read_ahead, const infinint &crc_size, crc *&value, infinint &err_offset)
 
void reset_crc (const infinint &width)
 reset CRC on read or writen data More...
 
bool crc_status () const
 to known whether CRC calculation is activated or not
 
crc * get_crc ()
 get CRC of the transfered date since last reset More...
 
void sync_write ()
 write any pending data
 
void flush_read ()
 be ready to read at current position, reseting all pending data for reading, cached and in compression engine for example
 
- Public Member Functions inherited from libdar::on_pool
void * operator new (size_t n_byte)
 
void * operator new (size_t n_byte, const std::nothrow_t &nothrow_value)
 
void * operator new[] (size_t n_byte)
 
void * operator new[] (size_t n_byte, const std::nothrow_t &nothrow_value)
 
void * operator new (size_t n_byte, memory_pool *p)
 
void * operator new[] (size_t n_byte, memory_pool *p)
 
void operator delete (void *ptr, memory_pool *p)
 this operator is called by the compiler if an exception is throw from the constructor of the allocated object
 
void operator delete[] (void *ptr, memory_pool *p)
 this operator is called by the compiler if an exception is throw from the constructor of the allocated objects
 
void operator delete (void *ptr)
 this is the usual delete operator, modified to handle allocated objects allocated on a memory pool or not
 
void operator delete[] (void *ptr)
 this is the usual delete[] operator, modified to handle allocated objects allocated on a memory pool or not
 

Additional Inherited Members

- Public Types inherited from libdar::generic_file
enum  skippability { skip_backward, skip_forward }
 
- Protected Member Functions inherited from libdar::tronc
void inherited_read_ahead (const infinint &amount)
 inherited from generic_file
 
U_I inherited_read (char *a, U_I size)
 inherited from generic_file
 
void inherited_write (const char *a, U_I size)
 inherited from generic_file
 
void inherited_sync_write ()
 write down any pending data More...
 
void inherited_flush_read ()
 
void inherited_terminate ()
 destructor-like call, except that it is allowed to throw exceptions More...
 
- Protected Member Functions inherited from libdar::generic_file
void set_mode (gf_mode x)
 
bool is_terminated () const
 
- Protected Member Functions inherited from libdar::on_pool
memory_pool * get_pool () const
 
template<class T >
void meta_new (T *&ptr, size_t num)
 
template<class T >
void meta_delete (T *ptr)
 

Detailed Description

trontextual class is a contextual class tronc, that's all.

Definition at line 40 of file trontextual.hpp.


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