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Disk ARchive 2.7.16
Full featured and portable backup and archiving tool
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Disk ARchive 2.7.16
Full featured and portable backup and archiving tool
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trontextual class is a contextual class tronc, that's all. More...
#include <trontextual.hpp>
Inheritance diagram for libdar::trontextual: Collaboration diagram for libdar::trontextual: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) | |
| trontextual (const trontextual &ref)=delete | |
| trontextual (trontextual &&ref) noexcept=delete | |
| trontextual & | operator= (const trontextual &ref)=delete |
| trontextual & | operator= (trontextual &&ref)=delete |
| virtual bool | is_an_old_start_end_archive () const override |
| returns whether the archive is a old archive (format < 8) More... | |
| virtual const label & | get_data_name () const override |
| obtain the data_name of the archive (label associated with the archive's data) More... | |
| 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 (const tronc &ref)=delete | |
| tronc (tronc &&ref) noexcept=delete | |
| tronc & | operator= (const tronc &ref)=delete |
| tronc & | operator= (tronc &&ref)=delete |
| ~tronc () | |
| destructor More... | |
| 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 More... | |
| virtual bool | skippable (skippability direction, const infinint &amount) override |
| inherited from generic_file More... | |
| virtual bool | skip (const infinint &pos) override |
| inherited from generic_file More... | |
| virtual bool | skip_to_eof () override |
| inherited from generic_file More... | |
| virtual bool | skip_relative (S_I x) override |
| inherited from generic_file More... | |
| virtual bool | truncatable (const infinint &pos) const override |
| inherited from generic_file More... | |
| virtual infinint | get_position () const override |
| get the current read/write position More... | |
| 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 More... | |
| generic_file (const generic_file &ref) | |
| copy constructor More... | |
| generic_file (generic_file &&ref) noexcept | |
| move constructor More... | |
| generic_file & | operator= (const generic_file &ref) |
| assignment operator More... | |
| generic_file & | operator= (generic_file &&ref) noexcept |
| move operator More... | |
| ~generic_file () noexcept(false) | |
| virtual destructor, More... | |
| void | terminate () |
| destructor-like call, except that it is allowed to throw exceptions | |
| bool | operator== (generic_file &ref) |
| bool | operator!= (generic_file &ref) |
| gf_mode | get_mode () const |
| retreive the openning mode for this object More... | |
| void | read_ahead (const infinint &amount) |
| void | ignore_read_ahead (bool mode) |
| virtual U_I | read (char *a, U_I size) override |
| read data from the generic_file inherited from proto_generic_file More... | |
| virtual void | write (const char *a, U_I size) override |
| write data to the generic_file inherited from proto_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 More... | |
| virtual bool | skippable (skippability direction, const infinint &amount)=0 |
| whether the implementation is able to skip More... | |
| virtual bool | skip (const infinint &pos)=0 |
| skip at the absolute position More... | |
| virtual bool | skip_to_eof ()=0 |
| skip to the end of file More... | |
| virtual bool | skip_relative (S_I x)=0 |
| skip relatively to the current position More... | |
| virtual bool | truncatable (const infinint &pos) const =0 |
| whether the implementation is able to truncate to the given position More... | |
| virtual void | truncate (const infinint &pos) |
| truncate file at the given offset More... | |
| virtual infinint | get_position () const =0 |
| get the current read/write position More... | |
| virtual void | copy_to (generic_file &ref) |
| copy all data from current position to the object in argument More... | |
| 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 More... | |
| 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::proto_generic_file | |
| proto_generic_file (const proto_generic_file &ref)=default | |
| copy constructor | |
| proto_generic_file (proto_generic_file &&ref) noexcept=default | |
| move constructor | |
| proto_generic_file & | operator= (const proto_generic_file &ref)=default |
| assignment operator | |
| proto_generic_file & | operator= (proto_generic_file &&ref) noexcept=default |
| move operator | |
| virtual | ~proto_generic_file () noexcept(false) |
| virtual destructor More... | |
| virtual U_I | read (char *a, U_I size)=0 |
| read data from the proto_generic_file More... | |
| virtual void | write (const char *a, U_I size)=0 |
| write data to the proto_generic_file More... | |
| Public Member Functions inherited from libdar::contextual | |
| contextual (const contextual &ref)=default | |
| contextual (contextual &&ref) noexcept=default | |
| contextual & | operator= (const contextual &ref)=default |
| contextual & | operator= (contextual &&ref) noexcept=default |
| virtual void | set_info_status (const std::string &s) |
| defines the new contextual value More... | |
| virtual std::string | get_info_status () const |
| get the current contextual value More... | |
| virtual bool | is_an_old_start_end_archive () const =0 |
| returns whether the archive is a old archive (format < 8) More... | |
| virtual const label & | get_data_name () const =0 |
| obtain the data_name of the archive (label associated with the archive's data) More... | |
Private Member Functions | |
| void | init (generic_file *f) |
Private Attributes | |
| contextual * | ref |
| this is just a pointer to data owned by the inherited class tronc part of this object More... | |
Additional Inherited Members | |
| Public Types inherited from libdar::generic_file | |
| enum | skippability { skip_backward , skip_forward } |
| Protected Member Functions inherited from libdar::tronc | |
| virtual void | inherited_read_ahead (const infinint &amount) override |
| inherited from generic_file More... | |
| virtual U_I | inherited_read (char *a, U_I size) override |
| inherited from generic_file More... | |
| virtual void | inherited_write (const char *a, U_I size) override |
| inherited from generic_file More... | |
| virtual void | inherited_truncate (const infinint &pos) override |
| truncate file at the give offset More... | |
| virtual void | inherited_sync_write () override |
| write down any pending data More... | |
| virtual void | inherited_flush_read () override |
| reset internal engine, flush caches in order to read the data at current position More... | |
| virtual void | inherited_terminate () override |
| 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) |
| virtual void | inherited_read_ahead (const infinint &amount)=0 |
| tells the object that several calls to read() will follow to probably obtain at least the given amount of data More... | |
| virtual U_I | inherited_read (char *a, U_I size)=0 |
| implementation of read() operation More... | |
| virtual void | inherited_write (const char *a, U_I size)=0 |
| implementation of the write() operation More... | |
| virtual void | inherited_truncate (const infinint &pos)=0 |
| truncate file at the give offset More... | |
| virtual void | inherited_sync_write ()=0 |
| write down any pending data More... | |
| virtual void | inherited_flush_read ()=0 |
| reset internal engine, flush caches in order to read the data at current position More... | |
| virtual void | inherited_terminate ()=0 |
| destructor-like call, except that it is allowed to throw exceptions More... | |
| bool | is_terminated () const |
trontextual class is a contextual class tronc, that's all.
Definition at line 44 of file trontextual.hpp.
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inlineoverridevirtual |
obtain the data_name of the archive (label associated with the archive's data)
Implements libdar::contextual.
Definition at line 56 of file trontextual.hpp.
References ref.
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inlineoverridevirtual |
returns whether the archive is a old archive (format < 8)
Implements libdar::contextual.
Definition at line 55 of file trontextual.hpp.
References ref.
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private |
this is just a pointer to data owned by the inherited class tronc part of this object
Definition at line 59 of file trontextual.hpp.
Referenced by get_data_name(), and is_an_old_start_end_archive().
1.9.4
