Iterator structure used by shared array data type.
Iterator structure used by XML nodes (elements and text) to iterate over node’s attributes.
Attribute iterators are unordered - there’s no specific order in which map entries will be
returned during consecutive iterator calls.
Iterator structure used by shared map data type. Map iterators are unordered - there’s no
specific order in which map entries will be returned during consecutive iterator calls.
Transaction is one of the core types in Yrs. All operations that need to touch or
modify a document’s contents (a.k.a. block store), need to be executed in scope of a
transaction.
Iterator used to traverse over the complex nested tree structure of a XML node. XML node
iterator walks only over YXmlElement
and YXmlText
nodes. It does so in ordered manner (using
the order in which children are ordered within their parent nodes) and using depth-first
traverse.
Iterator structure used by yweak_iter
function call.
Event generated for callbacks subscribed using ydoc_observe_after_transaction
. It contains
snapshot of changes made within any committed transaction.
Event pushed into callbacks registered with yarray_observe
function. It contains delta of all
content changes made within a scope of corresponding transaction (see: yarray_event_delta
) as
well as navigation data used to identify a YArray
instance which triggered this event.
A structure representing logical identifier of a specific shared collection.
Can be obtained by ybranch_id
executed over alive Branch
.
A chunk of text contents formatted with the same set of attributes.
Delete set is a map of (ClientID, Range[])
entries. Length of a map is stored in
entries_count
field. ClientIDs reside under client_ids
and their corresponding range
sequences can be found under the same index of ranges
field.
A single instance of formatting attribute stored as part of YDelta
instance.
A data type representing a single change to be performed in sequence of changes defined
as parameter to a ytext_insert_delta
function. A type of change can be detected using
a tag
field:
A data type representing a single change detected over an observed YText
/YXmlText
. A type
of change can be detected using a tag
field:
A data type representing a single change detected over an observed shared collection. A type
of change can be detected using a tag
field:
A data type representing a single change made over a map component of shared collection types,
such as YMap
entries or YXmlText
/YXmlElement
attributes. A key
field provides a
corresponding unique key string of a changed entry, while tag
field informs about specific
type of change being done:
Fixed-length sequence of ID ranges. Each range is a pair of [start, end) values, describing the
range of items identified by clock values, that this range refers to.
A data structure that is used to pass input values of various types supported by Yrs into a
shared document store.
A structure representing single key-value entry of a map output (used by either
embedded JSON-like maps or YMaps).
Event pushed into callbacks registered with ymap_observe
function. It contains all
key-value changes made within a scope of corresponding transaction (see: ymap_event_keys
) as
well as navigation data used to identify a YMap
instance which triggered this event.
Configuration object used by YDoc
.
An output value cell returned from yrs API methods. It describes a various types of data
supported by yrs shared data types.
A single segment of a path returned from yevent_path
function. It can be one of two cases,
recognized by it’s tag
field:
Structure containing unapplied update data.
Created via ytransaction_pending_update
.
Released via ypending_update_destroy
.
Struct representing a state of a document. It contains the last seen clocks for blocks submitted
per any of the clients collaborating on document updates.
A sticky index is based on the Yjs model and is not affected by document changes.
E.g. If you place a sticky index before a certain character, it will always point to this character.
If you place a sticky index at the end of a type, it will always point to the end of the type.
Event pushed into callbacks registered with ytext_observe
function. It contains delta of all
text changes made within a scope of corresponding transaction (see: ytext_event_delta
) as
well as navigation data used to identify a YText
instance which triggered this event.
Event type related to UndoManager
observer operations, such as yundo_manager_observe_popped
and yundo_manager_observe_added
. It contains various informations about the context in which
undo/redo operations are executed.
Event pushed into callbacks registered with yweak_observe
function. It contains
all an event changes of the underlying transaction.
A structure representing single attribute of an either YXmlElement
or YXmlText
instance.
It consists of attribute name and string, both of which are null-terminated UTF-8 strings.
Event pushed into callbacks registered with yxmlelem_observe
function. It contains
all attribute changes made within a scope of corresponding transaction
(see: yxmlelem_event_keys
) as well as child XML nodes changes (see: yxmlelem_event_delta
)
and navigation data used to identify a YXmlElement
instance which triggered this event.
Event pushed into callbacks registered with yxmltext_observe
function. It contains
all attribute changes made within a scope of corresponding transaction
(see: yxmltext_event_keys
) as well as text edits (see: yxmltext_event_delta
)
and navigation data used to identify a YXmlText
instance which triggered this event.
Gets or creates a new shared YArray
data type instance as a root-level type of a given document.
This structure can later be accessed using its name
, which must be a null-terminated UTF-8
compatible string.
Returns a sequence of changes produced by sequence component of shared collections (such as
YText
, YXmlText
and XML nodes added to YXmlElement
). len
output parameter is used to
provide information about number of changes produced.
Returns a path from a root type down to a current shared collection (which can be obtained using
yarray_event_target
function). It can consist of either integer indexes (used by sequence
components) of *char keys (used by map components). len
output parameter is used to provide
information about length of the path.
Returns a pointer to a shared collection, which triggered passed event e
.
Returns a pointer to a YOutput
value stored at a given index
of a current YArray
.
If index
is outside the bounds of an array, a null pointer will be returned.
Returns a UTF-8 encoded, NULL-terminated JSON string representing a value stored in a current
YArray under a given index.
Inserts a range of items
into current YArray
, starting at given index
. An items_len
parameter is used to determine the size of items
array - it can also be used to insert
a single element given its pointer.
Returns an iterator, which can be used to traverse over all elements of an
array
(
array
’s
length can be determined using
yarray_len function).
Releases all of an
YArray
iterator resources created by calling
yarray_iter.
Moves current YArray
iterator over to a next element, returning a pointer to it. If an iterator
comes to an end of an array, a null pointer will be returned.
Returns a number of elements stored within current instance of YArray
.
Subscribes a given callback function cb
to changes made by this YArray
instance. Callbacks
are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Removes a len
of consecutive range of elements from current array
instance, starting at
a given index
. Range determined by index
and len
must fit into boundaries of an array,
otherwise it will panic at runtime.
Frees all memory-allocated resources bound to a given binary returned from Yrs document API.
Unlike strings binaries are not null-terminated and can contain null characters inside,
therefore a size of memory to be released must be explicitly provided.
Yrs binaries don’t use libc malloc, so calling free()
on them will fault.
Check if current branch is still alive (returns Y_TRUE
, otherwise Y_FALSE
).
If it was deleted, this branch pointer is no longer a valid pointer and cannot be used to
execute any functions using it.
Given a logical identifier, returns a physical pointer to a shared collection.
Returns null if collection was not found - either because it was not defined or not synchronized
yet.
Returned pointer may still point to deleted collection. In such case a subsequent ybranch_alive
function call is required.
Returns a logical identifier for a given shared collection. That collection must be alive at
the moment of function call.
Returns a UTF-8 encoded, NULL-terminated JSON string representation of the current branch
contents. Once no longer needed, this string must be explicitly deallocated by user using
ystring_destroy
.
Deallocates result of ytext_chunks
method.
Creates a parameter for ytext_insert_delta
function. This parameter will tell cursor to remove
a corresponding number of elements, starting from current cursor position.
Creates a parameter for ytext_insert_delta
function. This parameter will tell cursor to insert
given elements into current cursor position. While these elements can be of any type (used for
embedding ie. shared types or binary payload like images), for the text insertion a yinput_string
is expected. If formatting attributes were specified, inserted elements will be wrapped by
given formatting attributes.
Creates a parameter for ytext_insert_delta
function. This parameter will move cursor position
by the len
of elements. If formatting attrs
were defined, all elements skipped over this
way will be wrapped by given formatting attributes.
Returns status of auto_load flag of this
Doc instance. Auto loaded sub-documents automatically
send a load request to their parent documents.
Destroys current document, sending a ‘destroy’ event and clearing up all the event callbacks
registered.
Creates a shallow clone of a provided doc
- it’s realized by increasing the ref-count
value of the document. In result both input and output documents point to the same instance.
Returns a collection identifier of this
Doc instance.
If none was defined, a
NULL
will be returned.
Releases all memory-allocated resources bound to given document.
Returns a unique document identifier of this
Doc instance.
Returns a unique client identifier of this
Doc instance.
Manually send a load request to a parent document of this subdoc.
Creates a new
Doc instance with a randomized unique client identifier.
Creates a new
Doc instance with a specified
options
.
Starts a new read-only transaction on a given document. All other operations happen in context
of a transaction. Yrs transactions do not follow ACID rules. Once a set of operations is
complete, a transaction can be finished using ytransaction_commit
function.
Returns status of should_load flag of this
Doc instance, informing parent
Doc if this
document instance requested a data load.
Starts a new read-write transaction on a given document. All other operations happen in context
of a transaction. Yrs transactions do not follow ACID rules. Once a set of operations is
complete, a transaction can be finished using ytransaction_commit
function.
Releases memory allocated by the object returned from yevent_delta
function.
Releases memory allocated by the object returned from yxml_event_keys
and ymap_event_keys
functions.
Function constructor used to create a binary YInput
cell of a specified length.
This function doesn’t allocate any heap resources and doesn’t release any on its own, therefore
its up to a caller to free resources once a structure is no longer needed.
Function constructor used to create JSON-like boolean YInput
cell.
This function doesn’t allocate any heap resources.
Function constructor used to create JSON-like 64-bit floating point number YInput
cell.
This function doesn’t allocate any heap resources.
Function constructor used to create aa YInput
cell representing any JSON-like object.
Provided parameter must be a null-terminated UTF-8 encoded JSON string.
Function constructor used to create a JSON-like array YInput
cell of other JSON-like values of
a given length. This function doesn’t allocate any heap resources and doesn’t release any on its
own, therefore its up to a caller to free resources once a structure is no longer needed.
Function constructor used to create a JSON-like map YInput
cell of other JSON-like key-value
pairs. These pairs are build from corresponding indexes of keys
and values
, which must have
the same specified length.
Function constructor used to create JSON-like 64-bit signed integer YInput
cell.
This function doesn’t allocate any heap resources.
Function constructor used to create JSON-like NULL YInput
cell.
This function doesn’t allocate any heap resources.
Function constructor used to create a string YInput
cell. Provided parameter must be
a null-terminated UTF-8 encoded string. This function doesn’t allocate any heap resources,
and doesn’t release any on its own, therefore its up to a caller to free resources once
a structure is no longer needed.
Function constructor used to create JSON-like undefined YInput
cell.
This function doesn’t allocate any heap resources.
Function constructor used to create a string YInput
cell with weak reference to another
element(s) living inside of the same document.
Function constructor used to create a nested YArray
YInput
cell prefilled with other
values of a given length. This function doesn’t allocate any heap resources and doesn’t release
any on its own, therefore its up to a caller to free resources once a structure is no longer
needed.
Function constructor used to create a nested YDoc
YInput
cell.
Function constructor used to create a nested YMap
YInput
cell prefilled with other key-value
pairs. These pairs are build from corresponding indexes of keys
and values
, which must have
the same specified length.
Function constructor used to create a nested YText
YInput
cell prefilled with a specified
string, which must be a null-terminated UTF-8 character pointer.
Function constructor used to create a nested YXmlElement
YInput
cell with a specified
tag name, which must be a null-terminated UTF-8 character pointer.
Function constructor used to create a nested YXmlText
YInput
cell prefilled with a specified
string, which must be a null-terminated UTF-8 character pointer.
Gets or creates a new shared YMap
data type instance as a root-level type of a given document.
This structure can later be accessed using its name
, which must be a null-terminated UTF-8
compatible string.
Frees all memory-allocated resources bound to a given
YMapEntry.
Returns a sequence of changes produced by map component of shared collections (such as
YMap
and YXmlText
/YXmlElement
attribute changes). len
output parameter is used to
provide information about number of changes produced.
Returns a path from a root type down to a current shared collection (which can be obtained using
ymap_event_target
function). It can consist of either integer indexes (used by sequence
components) of *char keys (used by map components). len
output parameter is used to provide
information about length of the path.
Returns a pointer to a shared collection, which triggered passed event e
.
Returns a value stored under the provided
key
, or a null pointer if no entry with such
key
has been found in a current
map
. A returned value is allocated by this function and therefore
should be eventually released using
youtput_destroy function.
Returns a value stored under the provided key
as UTF-8 encoded, NULL-terminated JSON string.
Once not needed that string should be deallocated using ystring_destroy
.
Inserts a new entry (specified as key
-value
pair) into a current map
. If entry under such
given key
already existed, its corresponding value will be replaced.
Returns an iterator, which can be used to traverse over all key-value pairs of a map
.
Releases all of an
YMap
iterator resources created by calling
ymap_iter.
Moves current YMap
iterator over to a next entry, returning a pointer to it. If an iterator
comes to an end of a map, a null pointer will be returned. Yrs maps are unordered and so are
their iterators.
Returns a number of entries stored within a map
.
Subscribes a given callback function cb
to changes made by this YMap
instance. Callbacks
are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Removes a map
entry, given its key
. Returns 1
if the corresponding entry was successfully
removed or 0
if no entry with a provided key
has been found inside of a map
.
Removes all entries from a current map
.
Subscribes a given callback function cb
to changes made by this shared type instance as well
as all nested shared types living within it. Callbacks are triggered whenever a
ytransaction_commit
is called.
Returns default ceonfiguration for YOptions
.
Releases all resources related to a corresponding YOutput
cell.
Attempts to read the value for a given YOutput
pointer as a binary payload (which length is
stored within len
filed of a cell itself).
Attempts to read the value for a given YOutput
pointer as a boolean flag, which can be either
1
for truthy case and 0
otherwise. Returns a null pointer in case when a value stored under
current YOutput
cell is not of a boolean type.
Attempts to read the value for a given YOutput
pointer as a 64-bit floating point number.
Attempts to read the value for a given YOutput
pointer as a JSON-like array of YOutput
values (which length is stored within len
filed of a cell itself).
Attempts to read the value for a given YOutput
pointer as a JSON-like map of key-value entries
(which length is stored within len
filed of a cell itself).
Attempts to read the value for a given YOutput
pointer as a 64-bit signed integer.
Attempts to read the value for a given YOutput
pointer as a null-terminated UTF-8 encoded
string.
Attempts to read the value for a given YOutput
pointer as an YArray
.
Attempts to read the value for a given YOutput
pointer as a YDocRef
reference to a nested
document.
Attempts to read the value for a given YOutput
pointer as an YMap
.
Attempts to read the value for a given YOutput
pointer as an YText
.
Attempts to read the value for a given YOutput
pointer as an YWeakRef
.
Attempts to read the value for a given YOutput
pointer as an YXmlElement
.
Attempts to read the value for a given YOutput
pointer as an YXmlText
.
Releases allocated memory used by objects returned from path accessor functions of shared type
events.
Returns association of current YStickyIndex
.
If association is after the referenced inserted character, returned number will be >= 0.
If association is before the referenced inserted character, returned number will be < 0.
Deserializes YStickyIndex
from the payload previously serialized using ysticky_index_encode
.
Releases resources allocated by YStickyIndex
pointers.
Serializes YStickyIndex
into binary representation. len
parameter is updated with byte
length of the generated binary. Returned binary can be free’d using ybinary_destroy
.
Retrieves a YStickyIndex
corresponding to a given human-readable index
pointing into
the shared y-type branch
. Unlike standard indexes sticky one enables to track
the location inside of a shared y-types, even in the face of concurrent updates.
Given YStickyIndex
and transaction reference, if computes a human-readable index in a
context of the referenced shared y-type.
Frees all memory-allocated resources bound to a given UTF-8 null-terminated string returned from
Yrs document API. Yrs strings don’t use libc malloc, so calling free()
on them will fault.
Gets or creates a new shared YText
data type instance as a root-level type of a given document.
This structure can later be accessed using its name
, which must be a null-terminated UTF-8
compatible string.
Returns a collection of chunks representing pieces of YText
rich text string grouped together
by the same formatting rules and type. chunks_len
is used to inform about a number of chunks
generated this way.
Releases memory allocated by the object returned from yevent_delta
function.
Returns a sequence of changes produced by sequence component of shared collections (such as
YText
, YXmlText
and XML nodes added to YXmlElement
). len
output parameter is used to
provide information about number of changes produced.
Returns a path from a root type down to a current shared collection (which can be obtained using
ytext_event_target
function). It can consist of either integer indexes (used by sequence
components) of *char keys (used by map components). len
output parameter is used to provide
information about length of the path.
Returns a pointer to a shared collection, which triggered passed event e
.
Wraps an existing piece of text within a range described by index
-len
parameters with
formatting blocks containing provided attrs
metadata. attrs
must be a map-like type.
Inserts a null-terminated UTF-8 encoded string a given
index
.
index
value must be between
0 and a length of a
YText
(inclusive, accordingly to
ytext_len return value), otherwise this
function will panic.
Performs a series of changes over the given YText
shared ref type, described by the delta
parameter:
Inserts an embed content given
index
.
index
value must be between 0 and a length of a
YText
(inclusive, accordingly to
ytext_len return value), otherwise this
function will panic.
Returns the length of the YText
string content in bytes (without the null terminator character)
Subscribes a given callback function cb
to changes made by this YText
instance. Callbacks
are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Removes a range of characters, starting a a given index
. This range must fit within the bounds
of a current YText
, otherwise this function call will fail.
Returns a null-terminated UTF-8 encoded string content of a current YText
shared data type.
Applies an diff update (generated by ytransaction_state_diff_v1
) to a local transaction’s
document.
Commit and dispose provided read-write transaction. This operation releases allocated resources,
triggers update events and performs a storage compression over all operations executed in scope
of a current transaction.
Encodes a state of the document at a point in time specified by the provided snapshot
(generated by: ytransaction_snapshot
). This is useful to generate a past view of the document.
Encodes a state of the document at a point in time specified by the provided snapshot
(generated by: ytransaction_snapshot
). This is useful to generate a past view of the document.
Perform garbage collection of deleted blocks, even if a document was created with skip_gc
option. This operation will scan over ALL deleted elements, NOT ONLY the ones that have been
changed as part of this transaction scope.
Returns an unapplied Delete Set for the current document, waiting for missing updates in order
to be integrated into document store.
Returns a pending update associated with an underlying YDoc
. Pending update contains update
data waiting for being integrated into main document store. Usually reason for that is that
there were missing updates required for integration. In such cases they need to arrive and be
integrated first.
Returns a snapshot descriptor of a current state of the document. This snapshot information
can be then used to encode document data at a particular point in time
(see: ytransaction_encode_state_from_snapshot
).
Returns a delta difference between current state of a transaction’s document and a state vector
sv
encoded as a binary payload using lib0 version 1 encoding (which could be generated using
ytransaction_state_vector_v1). Such delta can be send back to the state vector’s sender in
order to propagate and apply (using
ytransaction_apply) all updates known to a current
document, which remote peer was not aware of.
Returns a delta difference between current state of a transaction’s document and a state vector
sv
encoded as a binary payload using lib0 version 1 encoding (which could be generated using
ytransaction_state_vector_v1). Such delta can be send back to the state vector’s sender in
order to propagate and apply (using
ytransaction_apply_v2) all updates known to a current
document, which remote peer was not aware of.
Returns a state vector of a current transaction’s document, serialized using lib0 version 1
encoding. Payload created by this function can then be send over the network to a remote peer,
where it can be used as a parameter of
ytransaction_state_diff_v1 in order to produce a delta
update payload, that can be send back and applied locally in order to efficiently propagate
updates from one peer to another.
Returns a list of subdocs existing within current document.
Returns 1
if current transaction is of read-write type.
Returns 0
if transaction is read-only.
Gets a reference to shared data type instance at the document root-level,
identified by its name
, which must be a null-terminated UTF-8 compatible string.
Returns a value informing what kind of Yrs shared collection given branch
represents.
Returns either 0 when branch
is null or one of values: Y_ARRAY
, Y_TEXT
, Y_MAP
,
Y_XML_ELEM
, Y_XML_TEXT
.
Creates a new instance of undo manager bound to a current doc
. It can be used to track
specific shared refs via yundo_manager_add_scope
and updates coming from specific origin
Adds an origin to be tracked by current undo manager. This way only changes made within context
of transactions created with specific origin will be subjects of undo/redo operations. This is
useful when you want to be able to revert changed done by specific user without reverting
changes made by other users that were applied in the meantime.
Add specific shared type to be tracked by this instance of an undo manager.
Removes all the undo/redo stack changes tracked by current undo manager. This also cleans up
all the items that couldn’t be deallocated / garbage collected for the sake of possible
undo/redo operations.
Deallocated undo manager instance created via yundo_manager
.
Subscribes a callback
function pointer to a given undo manager event. This event will be
triggered every time a new undo/redo stack item is added.
Subscribes a callback
function pointer to a given undo manager event. This event will be
triggered every time a undo/redo operation was called.
Performs a redo operations, reapplying changes undone by yundo_manager_undo
operation.
Returns number of elements stored on redo stack.
Removes an origin previously added to undo manager via yundo_manager_add_origin
.
Cuts off tracked changes, producing a new stack item on undo stack.
Performs an undo operations, reverting all the changes defined by the last undo stack item.
These changes can be then reapplied again by calling yundo_manager_redo
function.
Returns number of elements stored on undo stack.
Unsubscribe callback from the oberver event it was previously subscribed to.
Returns a null-terminated UTF-8 encoded string representation of an update
binary payload,
encoded using lib0 v1 encoding.
Returns null if update couldn’t be parsed into a lib0 v1 formatting.
Returns a null-terminated UTF-8 encoded string representation of an update
binary payload,
encoded using lib0 v2 encoding.
Returns null if update couldn’t be parsed into a lib0 v2 formatting.
Subscribes a given callback function cb
to changes made by this YText
instance. Callbacks
are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Returns a next sibling of a current XML node, which can be either another
YXmlElement
or a
YXmlText
. Together with
yxmlelem_first_child it may be used to iterate over the direct
children of an XML node (in order to iterate over the nested XML structure use
yxmlelem_tree_walker).
Returns a previous sibling of a current XML node, which can be either another YXmlElement
or a YXmlText
.
Frees all memory-allocated resources bound to a given
YXmlAttr.
Returns a next XML attribute from an iterator
. Attributes are returned in an unordered
manner. Once iterator
reaches the end of attributes collection, a null pointer will be
returned.
Returns an iterator over the YXmlElement
attributes.
Returns a number of child nodes (both YXmlElement
and YXmlText
) living under a current XML
element. This function doesn’t count a recursive nodes, only direct children of a current node.
Returns a sequence of changes produced by sequence component of shared collections (such as
YText
, YXmlText
and XML nodes added to YXmlElement
). len
output parameter is used to
provide information about number of changes produced.
Returns a sequence of changes produced by map component of shared collections.
len
output parameter is used to provide information about number of changes produced.
Returns a path from a root type down to a current shared collection (which can be obtained using
yxmlelem_event_path
function). It can consist of either integer indexes (used by sequence
components) of *char keys (used by map components). len
output parameter is used to provide
information about length of the path.
Returns a pointer to a shared collection, which triggered passed event e
.
Returns a first child node of a current YXmlElement
, or null pointer if current XML node is
empty. Returned value could be either another YXmlElement
or YXmlText
.
Returns an XML child node (either a YXmlElement
or YXmlText
) stored at a given index
of
a current YXmlElement
. Returns null pointer if index
was outside of the bound of current XML
node children.
Returns the value of a current
YXmlElement
, given its name, or a null pointer if not attribute
with such name has been found. Returned pointer is a null-terminated UTF-8 encoded string, which
should be released using
ystring_destroy function.
Inserts an XML attribute described using attr_name
and attr_value
. If another attribute with
the same name already existed, its value will be replaced with a provided one.
Inserts an YXmlElement
as a child of a current node at the given index
and returns its
pointer. Node created this way will have a given name
as its tag (eg. p
for <p></p>
node).
Inserts an YXmlText
as a child of a current node at the given index
and returns its
pointer.
Subscribes a given callback function cb
to changes made by this YXmlElement
instance.
Callbacks are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Returns a parent YXmlElement
of a current node, or null pointer when current YXmlElement
is
a root-level shared data type.
Removes an attribute from a current YXmlElement
, given its name.
Removes a consecutive range of child elements (of specified length) from the current
YXmlElement
, starting at the given index
. Specified range must fit into boundaries of current
XML node children, otherwise this function will panic at runtime.
Converts current YXmlElement
together with its children and attributes into a flat string
representation (no padding) eg. <UNDEFINED><title key="value">sample text</title></UNDEFINED>
.
Return a name (or an XML tag) of a current YXmlElement
. Root-level XML nodes use “UNDEFINED” as
their tag names.
Returns an iterator over a nested recursive structure of a current YXmlElement
, starting from
first of its children. Returned values can be either YXmlElement
or YXmlText
nodes.
Releases resources associated with a current XML tree walker iterator.
Moves current iterator
to a next value (either YXmlElement
or YXmlText
), returning its
pointer or a null, if an iterator
already reached the last successor node.
Gets or creates a new shared YXmlElement
data type instance as a root-level type of a given
document. This structure can later be accessed using its name
, which must be a null-terminated
UTF-8 compatible string.
Returns an iterator over the YXmlText
attributes.
Returns a sequence of changes produced by sequence component of shared collections (such as
YText
, YXmlText
and XML nodes added to YXmlElement
). len
output parameter is used to
provide information about number of changes produced.
Returns a sequence of changes produced by map component of shared collections.
len
output parameter is used to provide information about number of changes produced.
Returns a path from a root type down to a current shared collection (which can be obtained using
yxmltext_event_path
function). It can consist of either integer indexes (used by sequence
components) of *char keys (used by map components). len
output parameter is used to provide
information about length of the path.
Returns a pointer to a shared collection, which triggered passed event e
.
Wraps an existing piece of text within a range described by index
-len
parameters with
formatting blocks containing provided attrs
metadata. attrs
must be a map-like type.
Returns the value of a current
YXmlText
, given its name, or a null pointer if not attribute
with such name has been found. Returned pointer is a null-terminated UTF-8 encoded string, which
should be released using
ystring_destroy function.
Inserts a null-terminated UTF-8 encoded string a a given
index
.
index
value must be between
0 and a length of a
YXmlText
(inclusive, accordingly to
yxmltext_len return value), otherwise
this function will panic.
Inserts an XML attribute described using attr_name
and attr_value
. If another attribute with
the same name already existed, its value will be replaced with a provided one.
Inserts an embed content given
index
.
index
value must be between 0 and a length of a
YXmlText
(inclusive, accordingly to
ytext_len return value), otherwise this
function will panic.
Returns the length of the YXmlText
string content in bytes (without the null terminator
character)
Subscribes a given callback function cb
to changes made by this YXmlText
instance. Callbacks
are triggered whenever a ytransaction_commit
is called.
Returns a subscription ID which can be then used to unsubscribe this callback by using
yunobserve
function.
Removes an attribute from a current YXmlText
, given its name.
Removes a range of characters, starting a a given index
. This range must fit within the bounds
of a current YXmlText
, otherwise this function call will fail.
Returns a null-terminated UTF-8 encoded string content of a current YXmlText
shared data type.