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283 lines
No EOL
14 KiB
C++
283 lines
No EOL
14 KiB
C++
topic "Segtor";
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[i448;a25;kKO9;2 $$1,0#37138531426314131252341829483380:class]
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[l288;2 $$2,0#27521748481378242620020725143825:desc]
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[0 $$3,0#96390100711032703541132217272105:end]
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[H6;0 $$4,0#05600065144404261032431302351956:begin]
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[i448;a25;kKO9;2 $$5,0#37138531426314131252341829483370:item]
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[l288;a17;*@5;1 $$6,6#70004532496200323422659154056402:requirement]
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[l288;i1121;b17;O9;~~~.1408;2 $$7,0#10431211400427159095818037425705:param]
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[{_}%EN-US
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[s1;l288;:`:`:AddOps`:`:class:%- template_<[@(0.0.255) class][@(64) _][@4 U][@(64) ,
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][@(0.0.255) class][@(64) _][@4 V][@(64) , ][@(0.0.255) class][@(64) _][@3 B][@(64) _`=_EmptyClas
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s>]&]
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[s1;:`:`:AddOps`:`:class:%- [@(0.0.255) class][@(64) _]AddOps[@(64) _:_][@(0.0.255) public][@(64) _
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][@3 B]&]
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[s2; &]
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[s0; &]
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[s5;:`:`:AddOps`:`:operator`-`=`(U`&`,const V`&`):%- friend_U`&_operator_`-`=_(U`&_[@3 a
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][@(64) , ][@(0.0.255) const][@(64) _V`&_][@3 b][@(64) )]&]
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[s2; [%-*@3 a] [%-*@3 b] &]
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[s0; &]
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[s5;:`:`:AddOps`:`:operator`+`(const U`&`,const V`&`):%- friend_U_operator_`+_([@(0.0.255) c
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onst][@(64) _U`&_][@3 a][@(64) , ][@(0.0.255) const][@(64) _V`&_][@3 b][@(64) )]&]
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[s2; [%-*@3 a] [%-*@3 b] &]
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[s0; &]
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[s5;:`:`:AddOps`:`:operator`-`(const U`&`,const V`&`):%- friend_U_operator_`-_([@(0.0.255) c
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onst][@(64) _U`&_][@3 a][@(64) , ][@(0.0.255) const][@(64) _V`&_][@3 b][@(64) )]&]
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[s2; [%-*@3 a] [%-*@3 b] &]
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[s0; &]
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[s0;~~~64; Segtor&]
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[s0;~~~64; template <class [*@4 T], int [*@4 NBLK] `= 16>&]
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[s0; &]
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[s5;K%- template_<[@(0.0.255) class][@(64) _][@4 T][@(64) , ][@(0.0.255) int][@(64) _][@4 NBLK][@(64) _
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`=_][@3 16][@(64) >__][@(0.0.255) class][@(64) _]Segtor[@(64) _:_][@(0.0.255) public][@(64) _][^`:`:MoveableAndDeepCopyOption^@(64) M
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oveableAndDeepCopyOption][@(64) <_]Segtor[@(64) <][@4 T][@(64) , ][^NBLK^@(64) NBLK][@(64) >_
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>_]&]
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[s0; [*C@4 T]-|Type of elements stored in Segtor. T must have either
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[*/ deep copy constructor], [*/ pick constructor] or [*/ default constructor].&]
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[s0; [*C@4 NBLK]-|Size of segments.&]
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[s0;~~~.416; Segtor is special flavor of random access container
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that can be sometimes used to improve memory consumption. It
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never invalidates iterators nor references to elements, but it
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also lacks operations to insert and remove elements at any position.
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Segtor is designed to be used in situations where size of each
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element is small, but it is either non`-moveable or references
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to elements must be never invalidated.&]
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[s0;~~~.416; Typical implementation stores elements in segments of
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fixed size. This fixed size is determined by template parameter
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NBLK.&]
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[s0;~~~.416; Iterators to Segtor satisfy all C`+`+ standard library
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requirements for random access iterator plus they allow assignment
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(and copy constructor) and testing for 0 (that is NULL) pointer.&]
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[s0; Like any other NTL container, Segtor is [*/^topic`:`/`/Core`/srcdoc`/Moveable`$en`-us^ m
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oveable][*/ ]type with [*/^topic`:`/`/Core`/srcdoc`/pick`_`$en`-us^ pick
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and optional deep copy] transfer semantics. Calling methods of
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picked Segtor is logic error with exception of&]
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[s0; [C+75 void ][*C+75 operator`=][C+75 (pick`_ Array`& ][*C@3+75 v][C+75 )]&]
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[s0; [C+75 void ][*C+75 operator<<`=][C+75 (const Array`& ][*C@3+75 v][C+75 )][+75
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][/+75 (defined using DeepCopyOptionTemplate)]&]
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[s0; [C+75 void ][*C+75 Clear][C+75 ()]&]
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[s0; [C+75 bool ][*C+75 IsPicked][C+75 () const]&]
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[s0;b42;a42; Optional deep copy is implemented through DeepCopyOptionTemplate
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macro.&]
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[s0; Members&]
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[s0; &]
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[s5;K%- T`&_Add[@(64) ()]&]
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[s2; Adds a new default constructed element to Segtor.&]
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[s6; Requires T to have default constructor.&]
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[s7; [*/ Return value]-|Reference to the newly added default constructed
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element.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Add[@(64) (][@(0.0.255) const][@(64) _T`&_][@3 x][@(64) )]&]
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[s2; Adds a new element with the specified value to Segtor.&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*C@3 x]-|The value that is copied to the newly created element.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]AddPick[@(64) (pick`__T`&_][@3 x][@(64) )]&]
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[s2; Adds a new element to Segtor and picks value of parameter x.
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&]
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[s6; Requires T to have pick constructor.&]
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[s7; [*C@3 x]-|Source instance of T that is to be picked.&]
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[s0; &]
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[s5;K%- T`&_operator`[`][@(64) (][@(0.0.255) int][@(64) _][@3 i][@(64) )]&]
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[s2; Returns a reference to the element at the specified position.&]
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[s7; [*C@3 i]-|Position of the element.&]
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[s7; [*/ Return value]-|Reference to the element.&]
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[s0; &]
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[s5;K%- [@(0.0.255) const][@(64) _T`&_]operator`[`][@(64) (][@(0.0.255) int][@(64) _][@3 i][@(64) )
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_][@(0.0.255) const]&]
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[s2; Returns a reference to the element at the specified position.&]
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[s7; [*C@3 i]-|Position of the element.&]
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[s7; [*/ Return value]-|Constant reference to the element.&]
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[s0; &]
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[s5;K%- [@(0.0.255) int][@(64) _]GetCount[@(64) ()_][@(0.0.255) const]&]
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[s2; Return the number of elements in Segtor.&]
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[s7; [*/ Return value]-|Actual number of elements.&]
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[s0; &]
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[s5;K%- [@(0.0.255) bool][@(64) _]IsEmpty[@(64) ()_][@(0.0.255) const]&]
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[s2; Tests whether Segtor is empty. Same as GetCount() `=`= 0.&]
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[s7; [*/ Return value]-|true if Segtor is empty, false otherwise.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]SetCount[@(64) (][@(0.0.255) int][@(64) _][@3 n][@(64) )]&]
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[s2; Changes count of elements in Segtor to specified value. If required
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number of elements is greater than actual number, newly added
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elements are default constructed.&]
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[s6; Requires T to have default constructor.&]
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[s7; [*C@3 n]-|Required number of elements.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]SetCount[@(64) (][@(0.0.255) int][@(64) _][@3 n][@(64) ,
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][@(0.0.255) const][@(64) _][@4 T][@(64) `&_][@3 init][@(64) )]&]
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[s2; Changes count of elements in Segtor to specified value. If required
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number of elements is greater than actual number, newly added
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elements are initialized to the specified value using copy constructor.&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*C@3 n]-|Required number of elements.&]
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[s7; [*C@3 init]-|Initialization value of newly added elements.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Clear[@(64) ()]&]
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[s2; Removes all elements from Segtor. Capacity is also cleared to
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zero.&]
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[s0; &]
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[s5;K%- T`&_At[@(64) (][@(0.0.255) int][@(64) _][@3 i][@(64) )]&]
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[s2; If specified position is lower than number of elements in Segtor
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([* i < GetCount()]), returns reference to element at specified
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position. Otherwise increases number of elements in Segtor to
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[* i `+ 1]. Newly added elements are default constructed. &]
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[s6; Requires T to have default constructor.&]
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[s7; [*C@3 i]-|Position of required element.&]
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[s7; [*/ Return value]-|Reference to required element.&]
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[s0; &]
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[s5;K%- T`&_At[@(64) (][@(0.0.255) int][@(64) _][@3 i][@(64) , ][@(0.0.255) const][@(64) _T`&_][@3 x][@(64) )
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]&]
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[s2; If the specified position is lower than number of elements in
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Segtor ([* i < GetCount()]), returns reference to element at specified
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position. Otherwise increases number of elements in Segtor to
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[* i `+ 1]. Newly added elements are deep`-copy constructed from
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[* x].&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*C@3 i]-|Position of the required element.&]
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[s7; [*C@3 x]-|Initialization value of the newly added elements.&]
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[s7; [*/ Return value]-|Reference to the required element.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Shrink[@(64) ()]&]
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[s2; Minimizes memory consumption of Segtor.&]
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[s7; [*/ Return value]-|&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Reserve[@(64) (][@(0.0.255) int][@(64) _][@3 xtra][@(64) )]&]
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[s2; Reserves capacity. If the required capacity is greater than
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the current capacity, capacity is increased to the required value.&]
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[s7; [*C@3 xtra]-|Required capacity.&]
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[s0; &]
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[s5;K%- [@(0.0.255) int][@(64) _]GetAlloc[@(64) ()_][@(0.0.255) const]&]
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[s2; Returns current capacity of Segtor.&]
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[s7; [*/ Return value]-|Capacity of Segtor.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Set[@(64) (][@(0.0.255) int][@(64) _][@3 i][@(64) ,
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][@(0.0.255) const][@(64) _][@4 T][@(64) `&_][@3 x][@(64) , ][@(0.0.255) int][@(64) _][@3 count][@(64) _
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`=_][@3 1][@(64) )]&]
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[s2; Sets requested number of elements starting at the position [* i]
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to the specified value. If required number of elements exceeds
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existing elements of Segtor then elements are added to Segtor.&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*C@3 i]-|Starting position.&]
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[s7; [*C@3 x]-|Value.&]
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[s7; [*C@3 count]-|Number of elements.&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Drop[@(64) (][@(0.0.255) int][@(64) _][@3 n][@(64) _`=_][@3 1][@(64) )
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]&]
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[s2; Drops specified number of last elements in the Segtor.&]
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[s7; [*C@3 n]-|Number of elements.&]
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[s0; &]
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[s5;K%- T`&_Top[@(64) ()]&]
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[s2; Returns reference to the last element in the Segtor.&]
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[s7; [*/ Return value]-|Reference of last element in the Segtor.&]
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[s0; &]
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[s5;K%- [@(0.0.255) const][@(64) _T`&_]Top[@(64) ()_][@(0.0.255) const]&]
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[s2; Returns a constant reference to the last element in the Segtor.&]
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[s7; [*/ Return value]-|Reference of last element in the Segtor.&]
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[s0; &]
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[s5;K%- T_Pop[@(64) ()]&]
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[s2; Drops the last element of the Segtor and returns its value.&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*/ Return value]-|Value of the dropped element.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor^ Segtor]`&_operator<<[@(64) (][@(0.0.255) const][@(64) _T`&_][@3 x][@(64) )]&]
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[s2; Operator variant of [* void Add(const T`&x)]. Returning a reference
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to the Segtor enables adding more elements in a single expression,
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thus e.g. allowing to construct a temporary Segtor as part of
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an expression like Foo((Segtor<int>() << 1 << 2 << 4)).&]
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[s6; Requires T to have deep copy constructor.&]
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[s7; [*C@3 x]-|The value that is copied to the newly created element.&]
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[s7; [*/ Return value]-|Reference to Segtor (`*this).&]
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[s0; &]
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[s5;K%- [^`:`:Segtor^ Segtor]`&_operator`|[@(64) (pick`__T`&_][@3 x][@(64) )]&]
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[s2; Operator replacement of [* void AddPick(pick`_ T`&x)]. By returning
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reference to to Segtor allows adding more elements in single
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expression, thus e.g. allowing to construct temporary Segtor
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as part of expression.&]
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[s6; Requires T to have pick constructor.&]
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[s7; [*C@3 x]-|Source instance of T that is to be picked.&]
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[s7; [*/ Return value]-|Reference to Segtor (`*this).&]
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[s0; &]
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[s5;K%- [@(0.0.255) void][@(64) _]Serialize[@(64) (][^`:`:Stream^@(64) Stream][@(64) `&_][@3 s][@(64) )
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]&]
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[s2; Serializes the content of the Segtor to/from the Stream. Works
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only if NTL is used as part of UPP.&]
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[s6; Requires T to have serialization operator defined.&]
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[s7; [*C@3 s]-|Target/source stream.&]
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[s0; &]
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[s5;K%- [@(0.0.255) bool][@(64) _]IsPicked[@(64) ()_][@(0.0.255) const]&]
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[s2; Returns [* true] if Segtor is in picked state.&]
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[s7; [*/ Return value]-|[* true] if Segtor is in picked state, [* false]
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otherwise.&]
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[s0; &]
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[s0;:`:`:Segtor`:`:Segtor`(`): [* Segtor]()&]
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[s2; Default constructor. Constructs an empty Segtor.&]
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[s0; &]
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[s0;:`:`:Segtor`:`:Segtor`(pick`_`:`:Segtor`&`): [* Segtor](pick`_
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[* Segtor]`& [*@3 s])&]
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[s2; Pick constructor. Transfers source Segtor in low constant time,
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but destroys it by picking.&]
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[s7; [*C@3 v]-|Source Segtor.&]
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[s0; &]
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[s0;:`:`:Segtor`:`:Segtor`(const`:`:Segtor`&`,int`): [* Segtor](const
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[* Segtor]`& [*@3 s], int)&]
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[s2; Optional deep copy constructor.&]
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[s6; Requires T to have deep copy constructor or optional deep copy
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constructor.&]
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[s7; [*C@3 v]-|Source array.&]
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[s0; &]
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[s0;:`:`:Segtor`:`:`~Segtor`(`): `~[* Segtor]()&]
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[s2; Destructor. Invokes the destructor of all elements in the Segtor.&]
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[s0; &]
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[s5;K%- typedef_T_ValueType&]
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[s2; Typedef of T for use in templated algorithms.&]
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[s0; &]
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[s5;K%- typedef_[^`:`:IIterator^ IIterator]<[^`:`:Segtor^ Segtor]>_Iterator&]
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[s2; Iterator type.&]
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[s0; &]
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[s5;K%- typedef_[^`:`:ConstIIterator^ ConstIIterator]<[^`:`:Segtor^ Segtor]>_ConstIterato
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r&]
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[s2; Constant iterator type.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:ConstIterator^ ConstIterator]_Begin[@(64) ()_][@(0.0.255) const]&]
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[s2; Returns a constant iterator to the first element in Segtor.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:ConstIterator^ ConstIterator]_End[@(64) ()_][@(0.0.255) const]&]
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[s2; Returns a constant iterator to the position just beyond the
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last element in Segtor.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:ConstIterator^ ConstIterator]_GetIter[@(64) (][@(0.0.255) int][@(64) _
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][@3 pos][@(64) )_][@(0.0.255) const]&]
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[s2; Returns a constant iterator to the element at the specified
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position. Same as [* Begin() `+ pos]. The benefit of this method
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is that in debug mode [* pos] is range checked.&]
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[s7; [*C@3 i]-|Required position.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:Iterator^ Iterator]_Begin[@(64) ()]&]
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[s2; Returns a non`-constant iterator to the first element in Segtor.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:Iterator^ Iterator]_End[@(64) ()]&]
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[s2; Returns a non`-constant iterator to the position just beyond
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the last element in Segtor.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- [^`:`:Segtor`:`:Iterator^ Iterator]_GetIter[@(64) (][@(0.0.255) int][@(64) _][@3 pos][@(64) )
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]&]
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[s2; Returns a non`-constant iterator to the element at specified
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position. Same as [* Begin() `+ pos]. The benefit of this methods
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is that in debug mode [* pos] is range checked.&]
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[s7; [*C@3 i]-|Required position.&]
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[s7; [*/ Return value]-|Iterator.&]
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[s0; &]
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[s5;K%- friend_[@(0.0.255) void][@(64) _]Swap[@(64) (][^`:`:Segtor^@(64) Segtor][@(64) `&_][@3 a][@(64) ,
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][^`:`:Segtor^@(64) Segtor][@(64) `&_][@3 b][@(64) )]&]
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[s2; Specialization of generic [* Swap] for Segtor. Swaps array in
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simple constant time operation.&]
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[s7; [*C@3 a]-|First Segtor to swap.&]
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[s0; [*C@3 b]-|Second Segtor to swap.] |