This is the list container type in Qore, dynamically allocated only, reference counted. More...
#include <QoreListNode.h>
Public Member Functions | |
DLLEXPORT int | getAsString (QoreString &str, int foff, ExceptionSink *xsink) const |
concatenate the verbose string representation of the list (including all contained values) to an existing QoreString | |
DLLEXPORT QoreString * | getAsString (bool &del, int foff, ExceptionSink *xsink) const |
returns a QoreString giving the verbose string representation of the List (including all contained values) | |
virtual DLLEXPORT AbstractQoreNode * | realCopy () const |
returns true if the list contains parse expressions and therefore needs evaluation to return a value, false if not | |
virtual DLLEXPORT bool | is_equal_soft (const AbstractQoreNode *v, ExceptionSink *xsink) const |
tests for equality ("deep compare" including all contained values) with possible type conversion (soft compare) | |
virtual DLLEXPORT bool | is_equal_hard (const AbstractQoreNode *v, ExceptionSink *xsink) const |
tests for equality ("deep compare" including all contained values) without type conversions (hard compare) | |
virtual DLLEXPORT const char * | getTypeName () const |
returns the type name as a c string | |
DLLEXPORT AbstractQoreNode * | retrieve_entry (qore_size_t index) |
returns the element at "index" (first element is index 0) | |
DLLEXPORT const AbstractQoreNode * | retrieve_entry (qore_size_t index) const |
returns the element at "index" (first element is index 0) | |
DLLEXPORT AbstractQoreNode * | get_referenced_entry (qore_size_t index) const |
returns the element at "index" (first element is index 0), the caller owns the reference | |
DLLEXPORT int | getEntryAsInt (qore_size_t index) const |
returns the value of element at "index" as an integer (first element is index 0) | |
DLLEXPORT AbstractQoreNode ** | get_entry_ptr (qore_size_t index) |
DLLEXPORT AbstractQoreNode ** | getExistingEntryPtr (qore_size_t index) |
DLLEXPORT void | set_entry (qore_size_t index, AbstractQoreNode *val, ExceptionSink *xsink) |
sets the value of a list element | |
DLLEXPORT AbstractQoreNode * | pop () |
returns the last element of the list, the length is decremented by one, caller owns the reference | |
DLLEXPORT AbstractQoreNode * | shift () |
returns the first element of the list, all other entries are moved down to fill up the first position, caller owns the reference | |
DLLEXPORT void | merge (const QoreListNode *list) |
appends the elements of "list" to this list | |
DLLEXPORT int | delete_entry (qore_size_t index, ExceptionSink *xsink) |
DLLEXPORT void | pop_entry (qore_size_t index, ExceptionSink *xsink) |
DLLEXPORT QoreListNode * | evalList (ExceptionSink *xsink) const |
evaluates the list and returns a value (or 0) | |
DLLEXPORT QoreListNode * | evalList (bool &needs_deref, ExceptionSink *xsink) const |
optionally evaluates the list | |
DLLEXPORT QoreListNode * | copy () const |
performs a deep copy of the list and returns the new list | |
DLLEXPORT QoreListNode * | copyListFrom (qore_size_t index) const |
performs a deep copy of the list starting from element "offset" and returns the new list | |
DLLEXPORT QoreListNode * | sort () const |
returns a new list based on quicksorting the source list ("this") | |
DLLEXPORT QoreListNode * | sort (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns a new list based on quicksorting the source list ("this") using the passed function reference to determine lexical order | |
DLLEXPORT QoreListNode * | sortStable () const |
returns a new list based on executing mergesort on the source list ("this") | |
DLLEXPORT QoreListNode * | sortStable (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns a new list based on executing mergesort on the source list ("this") using the passed function reference to determine lexical order | |
DLLEXPORT QoreListNode * | sortDescending () const |
returns a new list based on quicksorting the source list ("this") in descending order | |
DLLEXPORT QoreListNode * | sortDescending (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns a new list based on quicksorting the source list ("this") in descending order, using the passed function reference to determine lexical order | |
DLLEXPORT QoreListNode * | sortDescendingStable () const |
returns a new list based on executing mergesort on the source list ("this") in descending order | |
DLLEXPORT QoreListNode * | sortDescendingStable (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns a new list based on executing mergesort on the source list ("this") in descending order, using the passed function reference to determine lexical order | |
DLLEXPORT AbstractQoreNode * | min () const |
returns the element having the lowest value (determined by calling OP_LOG_LT - the less-than "<" operator) | |
DLLEXPORT AbstractQoreNode * | max () const |
returns the element having the highest value (determined by calling OP_LOG_GT - the greater-than ">" operator) | |
DLLEXPORT AbstractQoreNode * | min (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns the element having the lowest value (determined by calling the function reference passed to give lexical order) | |
DLLEXPORT AbstractQoreNode * | max (const ResolvedCallReferenceNode *fr, ExceptionSink *xsink) const |
returns the element having the highest value (determined by calling the function reference passed to give lexical order) | |
DLLEXPORT void | splice (qore_offset_t offset, ExceptionSink *xsink) |
truncates the list at position "offset" (first element is offset 0) | |
DLLEXPORT void | splice (qore_offset_t offset, qore_offset_t length, ExceptionSink *xsink) |
removes "length" elements at position "offset" (first element is offset 0) | |
DLLEXPORT void | splice (qore_offset_t offset, qore_offset_t length, const AbstractQoreNode *l, ExceptionSink *xsink) |
adds a single value or a list of values ("l") to list possition "offset", while removing "length" elements | |
DLLEXPORT QoreListNode * | extract (qore_offset_t offset, ExceptionSink *xsink) |
truncates the list at position "offset" (first element is offset 0) and returns any elements removed from the list as a new list | |
DLLEXPORT QoreListNode * | extract (qore_offset_t offset, qore_offset_t length, ExceptionSink *xsink) |
removes "length" elements at position "offset" (first element is offset 0) and returns any elements removed from the list as a new list | |
DLLEXPORT QoreListNode * | extract (qore_offset_t offset, qore_offset_t length, const AbstractQoreNode *l, ExceptionSink *xsink) |
adds a single value or a list of values ("l") to list possition "offset", while removing "length" elements and returns any elements removed from the list as a new list | |
DLLEXPORT qore_size_t | size () const |
returns the number of elements in the list | |
DLLEXPORT bool | empty () const |
returns true if the list is empty | |
DLLEXPORT QoreListNode * | reverse () const |
returns a list with the order of the elements reversed | |
DLLEXPORT QoreListNode * | listRefSelf () const |
returns "this" with an incremented reference count | |
DLLEXPORT AbstractQoreNode * | swap (qore_offset_t offset, AbstractQoreNode *val) |
swaps the value at the given position with the value given, caller owns any reference returned | |
DLLLOCAL | QoreListNode (bool i) |
this function is not exported in the qore library | |
DLLLOCAL bool | isFinalized () const |
this function is not exported in the qore library | |
DLLLOCAL void | setFinalized () |
this function is not exported in the qore library | |
DLLLOCAL bool | isVariableList () const |
this function is not exported in the qore library | |
DLLLOCAL void | setVariableList () |
this function is not exported in the qore library | |
DLLLOCAL void | clearNeedsEval () |
this function is not exported in the qore library | |
DLLLOCAL void | setNeedsEval () |
this function is not exported in the qore library | |
DLLLOCAL void | clear () |
this function is not exported in the qore library | |
DLLLOCAL AbstractQoreNode * | eval_entry (qore_size_t num, ExceptionSink *xsink) const |
this function is not exported in the qore library | |
virtual DLLLOCAL AbstractQoreNode * | parseInit (LocalVar *oflag, int pflag, int &lvids, const QoreTypeInfo *&typeInfo) |
for initialization of lists in the parse tree at parse time (always returns "this") | |
DLLLOCAL QoreListNode * | parseInitList (LocalVar *oflag, int pflag, int &lvids, const QoreTypeInfo *&typeInfo) |
for initialization of lists in the parse tree at parse time (always returns "this") | |
Static Public Member Functions | |
static DLLLOCAL const char * | getStaticTypeName () |
returns true if the list does not contain any parse expressions, otherwise returns false | |
Protected Member Functions | |
DLLLOCAL int | qsort (const ResolvedCallReferenceNode *fr, qore_size_t left, qore_size_t right, bool ascending, ExceptionSink *xsink) |
qsort sorts the list in-place (unstable) | |
DLLLOCAL int | mergesort (const ResolvedCallReferenceNode *fr, bool ascending, ExceptionSink *xsink) |
mergesort sorts the list in-place (stable) | |
DLLLOCAL QoreListNode * | eval_intern (ExceptionSink *xsink) const |
does an unconditional evaluation of the list and returns the new list, 0 if there is a qore-language exception | |
virtual DLLEXPORT | ~QoreListNode () |
the destructor is protected so it cannot be called directly | |
virtual DLLEXPORT bool | derefImpl (ExceptionSink *xsink) |
dereferences all elements of the list | |
virtual DLLEXPORT AbstractQoreNode * | evalImpl (ExceptionSink *xsink) const |
evaluates the list and returns a value (or 0) | |
virtual DLLLOCAL AbstractQoreNode * | evalImpl (bool &needs_deref, ExceptionSink *xsink) const |
optionally evaluates the argument | |
virtual DLLLOCAL int64 | bigIntEvalImpl (ExceptionSink *xsink) const |
always returns 0 | |
virtual DLLLOCAL int | integerEvalImpl (ExceptionSink *xsink) const |
always returns 0 | |
virtual DLLLOCAL bool | boolEvalImpl (ExceptionSink *xsink) const |
always returns false | |
virtual DLLLOCAL double | floatEvalImpl (ExceptionSink *xsink) const |
always returns 0.0 | |
Protected Attributes | |
struct qore_list_private * | priv |
this structure holds the private implementation for the type |
This is the list container type in Qore, dynamically allocated only, reference counted.
it is both a value type and can hold parse expressions as well (in which case it needs to be evaluated) the first element in the list is element 0
virtual DLLEXPORT QoreListNode::~QoreListNode | ( | ) | [protected, virtual] |
the destructor is protected so it cannot be called directly
use the deref(ExceptionSink) function to release the reference count
DLLEXPORT QoreListNode* QoreListNode::copyListFrom | ( | qore_size_t | index | ) | const |
performs a deep copy of the list starting from element "offset" and returns the new list
therefore element 0 of the new list is element "offset" in the source list
index | the index of the element (first element is index 0) |
DLLEXPORT int QoreListNode::delete_entry | ( | qore_size_t | index, | |
ExceptionSink * | xsink | |||
) |
index | the index of the element (first element is index 0) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
virtual DLLEXPORT bool QoreListNode::derefImpl | ( | ExceptionSink * | xsink | ) | [protected, virtual] |
dereferences all elements of the list
The ExceptionSink argument is needed for those types that could throw an exception when they are deleted (ex: QoreObject) - which could be contained in the list
xsink | if an error occurs, the Qore-language exception information will be added here |
Reimplemented from AbstractQoreNode.
DLLEXPORT bool QoreListNode::empty | ( | ) | const |
returns true if the list is empty
return true if the list is empty
DLLLOCAL AbstractQoreNode* QoreListNode::eval_entry | ( | qore_size_t | num, | |
ExceptionSink * | xsink | |||
) | const |
this function is not exported in the qore library
num | the offset of the entry to evaluate (starting with 0) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
virtual DLLLOCAL AbstractQoreNode* QoreListNode::evalImpl | ( | bool & | needs_deref, | |
ExceptionSink * | xsink | |||
) | const [protected, virtual] |
optionally evaluates the argument
return value requires a deref(xsink) if needs_deref is true
Implements AbstractQoreNode.
virtual DLLEXPORT AbstractQoreNode* QoreListNode::evalImpl | ( | ExceptionSink * | xsink | ) | const [protected, virtual] |
evaluates the list and returns a value (or 0)
return value requires a deref(xsink) NOTE: if there is an exception, 0 will be returned
xsink | if an error occurs, the Qore-language exception information will be added here |
Implements AbstractQoreNode.
DLLEXPORT QoreListNode* QoreListNode::evalList | ( | bool & | needs_deref, | |
ExceptionSink * | xsink | |||
) | const |
optionally evaluates the list
return value requires a deref(xsink) if needs_deref is true NOTE: if the list requires evaluation and there is an exception, 0 will be returned NOTE: do not use this function directly, use the QoreListNodeEvalOptionalRefHolder class instead
needs_deref | this is an output parameter, if needs_deref is true then the value returned must be dereferenced | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::evalList | ( | ExceptionSink * | xsink | ) | const |
evaluates the list and returns a value (or 0)
return value requires a deref(xsink) if the list does not require evaluation then "refSelf()" is used to return the same object with an incremented reference count NOTE: if the object requires evaluation and there is an exception, 0 will be returned
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::extract | ( | qore_offset_t | offset, | |
qore_offset_t | length, | |||
const AbstractQoreNode * | l, | |||
ExceptionSink * | xsink | |||
) |
adds a single value or a list of values ("l") to list possition "offset", while removing "length" elements and returns any elements removed from the list as a new list
the "l" AbstractQoreNode (or each element if it is a QoreListNode) will be referenced for the assignment in the QoreListNode
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
length | the number of elements to remove (negative numbers mean all except that many elements from the end) | |
l | the value or list of values to insert | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::extract | ( | qore_offset_t | offset, | |
qore_offset_t | length, | |||
ExceptionSink * | xsink | |||
) |
removes "length" elements at position "offset" (first element is offset 0) and returns any elements removed from the list as a new list
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
length | the number of elements to remove (negative numbers mean all except that many elements from the end) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::extract | ( | qore_offset_t | offset, | |
ExceptionSink * | xsink | |||
) |
truncates the list at position "offset" (first element is offset 0) and returns any elements removed from the list as a new list
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT AbstractQoreNode** QoreListNode::get_entry_ptr | ( | qore_size_t | index | ) |
index | the index of the element (first element is index 0) |
DLLEXPORT AbstractQoreNode* QoreListNode::get_referenced_entry | ( | qore_size_t | index | ) | const |
returns the element at "index" (first element is index 0), the caller owns the reference
index | the index of the element (first element is index 0) |
DLLEXPORT QoreString* QoreListNode::getAsString | ( | bool & | del, | |
int | foff, | |||
ExceptionSink * | xsink | |||
) | const [virtual] |
returns a QoreString giving the verbose string representation of the List (including all contained values)
used for n and N printf formatting
del | if this is true when the function returns, then the returned QoreString pointer should be deleted, if false, then it must not be | |
foff | for multi-line formatting offset, -1 = no line breaks | |
xsink | if an error occurs, the Qore-language exception information will be added here NOTE: Use the QoreNodeAsStringHelper class (defined in QoreStringNode.h) instead of using this function directly |
Implements AbstractQoreNode.
DLLEXPORT int QoreListNode::getAsString | ( | QoreString & | str, | |
int | foff, | |||
ExceptionSink * | xsink | |||
) | const [virtual] |
concatenate the verbose string representation of the list (including all contained values) to an existing QoreString
used for n and N printf formatting
str | the string representation of the type will be concatenated to this QoreString reference | |
foff | for multi-line formatting offset, -1 = no line breaks | |
xsink | if an error occurs, the Qore-language exception information will be added here |
Implements AbstractQoreNode.
DLLEXPORT int QoreListNode::getEntryAsInt | ( | qore_size_t | index | ) | const |
returns the value of element at "index" as an integer (first element is index 0)
index | the index of the element (first element is index 0) |
DLLEXPORT AbstractQoreNode** QoreListNode::getExistingEntryPtr | ( | qore_size_t | index | ) |
index | the index of the element (first element is index 0) |
virtual DLLEXPORT bool QoreListNode::is_equal_hard | ( | const AbstractQoreNode * | v, | |
ExceptionSink * | xsink | |||
) | const [virtual] |
tests for equality ("deep compare" including all contained values) without type conversions (hard compare)
v | the value to compare | |
xsink | if an error occurs, the Qore-language exception information will be added here |
virtual DLLEXPORT bool QoreListNode::is_equal_soft | ( | const AbstractQoreNode * | v, | |
ExceptionSink * | xsink | |||
) | const [virtual] |
tests for equality ("deep compare" including all contained values) with possible type conversion (soft compare)
v | the value to compare | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT AbstractQoreNode* QoreListNode::max | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns the element having the highest value (determined by calling the function reference passed to give lexical order)
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT AbstractQoreNode* QoreListNode::max | ( | ) | const |
returns the element having the highest value (determined by calling OP_LOG_GT - the greater-than ">" operator)
so "soft" comparisons are made, meaning that the list can be made up of different types, and, as long as the comparisons are meaningful, the maximum value can be returned
DLLLOCAL int QoreListNode::mergesort | ( | const ResolvedCallReferenceNode * | fr, | |
bool | ascending, | |||
ExceptionSink * | xsink | |||
) | [protected] |
mergesort sorts the list in-place (stable)
DLLEXPORT AbstractQoreNode* QoreListNode::min | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns the element having the lowest value (determined by calling the function reference passed to give lexical order)
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT AbstractQoreNode* QoreListNode::min | ( | ) | const |
returns the element having the lowest value (determined by calling OP_LOG_LT - the less-than "<" operator)
so "soft" comparisons are made, meaning that the list can be made up of different types, and, as long as the comparisons are meaningful, the minimum value can be returned
DLLEXPORT AbstractQoreNode* QoreListNode::pop | ( | ) |
returns the last element of the list, the length is decremented by one, caller owns the reference
if the list is empty the 0 is returned (NOTE: the last entry could also be 0 as well)
DLLEXPORT void QoreListNode::pop_entry | ( | qore_size_t | index, | |
ExceptionSink * | xsink | |||
) |
index | the index of the element (first element is index 0) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLLOCAL int QoreListNode::qsort | ( | const ResolvedCallReferenceNode * | fr, | |
qore_size_t | left, | |||
qore_size_t | right, | |||
bool | ascending, | |||
ExceptionSink * | xsink | |||
) | [protected] |
qsort sorts the list in-place (unstable)
virtual DLLEXPORT AbstractQoreNode* QoreListNode::realCopy | ( | ) | const [virtual] |
returns true if the list contains parse expressions and therefore needs evaluation to return a value, false if not
performs a deep copy of the list and returns the new list
Implements AbstractQoreNode.
DLLEXPORT const AbstractQoreNode* QoreListNode::retrieve_entry | ( | qore_size_t | index | ) | const |
returns the element at "index" (first element is index 0)
the value is not referenced for the caller
index | the index of the element (first element is index 0) |
DLLEXPORT AbstractQoreNode* QoreListNode::retrieve_entry | ( | qore_size_t | index | ) |
returns the element at "index" (first element is index 0)
the value is not referenced for the caller
index | the index of the element (first element is index 0) |
Referenced by get_bigint_param(), get_bigint_param_with_default(), get_bool_param(), get_float_param(), get_hard_param(), get_int_param(), get_int_param_with_default(), get_param(), get_param_type(), test_binary_param(), test_callref_param(), test_date_param(), test_hash_param(), test_list_param(), test_nothing_param(), test_object_param(), test_reference_param(), and test_string_param().
DLLEXPORT void QoreListNode::set_entry | ( | qore_size_t | index, | |
AbstractQoreNode * | val, | |||
ExceptionSink * | xsink | |||
) |
sets the value of a list element
if there is a value there already, it is dereferenced (hence "xsink" is needed to catch any exceptions)
index | the index of the element (first element is index 0) | |
val | the value to set, must be already referenced for the assignment (or 0) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT AbstractQoreNode* QoreListNode::shift | ( | ) |
returns the first element of the list, all other entries are moved down to fill up the first position, caller owns the reference
if the list is empty the 0 is returned (NOTE: the first entry could also be 0 as well) with the current implementation the execution time for this function is O(n) where n is the length of the list
DLLEXPORT qore_size_t QoreListNode::size | ( | ) | const |
returns the number of elements in the list
return the number of elements in the list
Referenced by num_args(), and num_params().
DLLEXPORT QoreListNode* QoreListNode::sort | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns a new list based on quicksorting the source list ("this") using the passed function reference to determine lexical order
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::sort | ( | ) | const |
returns a new list based on quicksorting the source list ("this")
"soft" comparisons are made using OP_LOG_LT, meaning that the list can be made up of different data types and still be sorted
DLLEXPORT QoreListNode* QoreListNode::sortDescending | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns a new list based on quicksorting the source list ("this") in descending order, using the passed function reference to determine lexical order
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::sortDescending | ( | ) | const |
returns a new list based on quicksorting the source list ("this") in descending order
"soft" comparisons are made using OP_LOG_LT, meaning that the list can be made up of different data types and still be sorted
DLLEXPORT QoreListNode* QoreListNode::sortDescendingStable | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns a new list based on executing mergesort on the source list ("this") in descending order, using the passed function reference to determine lexical order
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::sortDescendingStable | ( | ) | const |
returns a new list based on executing mergesort on the source list ("this") in descending order
"soft" comparisons are made using OP_LOG_LT, meaning that the list can be made up of different data types and still be sorted
DLLEXPORT QoreListNode* QoreListNode::sortStable | ( | const ResolvedCallReferenceNode * | fr, | |
ExceptionSink * | xsink | |||
) | const |
returns a new list based on executing mergesort on the source list ("this") using the passed function reference to determine lexical order
fr | the function reference to be executed for each comparison to give lexical order to the elements | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT QoreListNode* QoreListNode::sortStable | ( | ) | const |
returns a new list based on executing mergesort on the source list ("this")
"soft" comparisons are made using OP_LOG_LT, meaning that the list can be made up of different data types and still be sorted
DLLEXPORT void QoreListNode::splice | ( | qore_offset_t | offset, | |
qore_offset_t | length, | |||
const AbstractQoreNode * | l, | |||
ExceptionSink * | xsink | |||
) |
adds a single value or a list of values ("l") to list possition "offset", while removing "length" elements
the "l" AbstractQoreNode (or each element if it is a QoreListNode) will be referenced for the assignment in the QoreListNode
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
length | the number of elements to remove (negative numbers mean all except that many elements from the end) | |
l | the value or list of values to insert | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT void QoreListNode::splice | ( | qore_offset_t | offset, | |
qore_offset_t | length, | |||
ExceptionSink * | xsink | |||
) |
removes "length" elements at position "offset" (first element is offset 0)
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
length | the number of elements to remove (negative numbers mean all except that many elements from the end) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
DLLEXPORT void QoreListNode::splice | ( | qore_offset_t | offset, | |
ExceptionSink * | xsink | |||
) |
truncates the list at position "offset" (first element is offset 0)
offset | the index of the element (first element is offset 0, negative offsets are offsets from the end of the list) | |
xsink | if an error occurs, the Qore-language exception information will be added here |
struct qore_list_private* QoreListNode::priv [read, protected] |
this structure holds the private implementation for the type
therefore changes to the implementation will not affect the C++ ABI