The following sections describe the interfaces that have been defined in
the Document Object Model for MathML. Please refer to
Chapter 8 [Document Object Model for MathML] for more information.
Creates a MathMLDocument with a minimal tree
containing only a MathMLMathElement corresponding to a MathML math
element. The MathMLMathElement is empty, having no child elements or non-default attributes; it is the
root element of the document, and is the element accessed via the documentElement attribute of
the MathMLDocument. Note that a MathMLDocument object should only be created for a
stand-alone MathML document.
This interface extends the Document interface to
add access to document properties relating to navigation. The documentElement
attribute for a MathMLDocument should be the MathMLMathElement
representing the top-level math element
which is the root of the document.
The URI of the page that linked to this document, if
available. This is null if the user navigated directly to the page. If this
is not a stand-alone MathML document (e.g. is embedded in an XHTML document), this
may be retrieved from the parent Document if available.
The domain name of the server that served the document,
or null if the server cannot be identified by a domain name, or if it is not
available. If this is not a stand-alone MathML document (e.g. is embedded in an XHTML document),
this may be retrieved from the parent Document if available.
This interface is provided as a specialization of the NodeList interface.
The child Nodes of this NodeList must be MathMLElements or Text nodes.
Note that MathMLNodeLists are frequently used in the
DOM as values of readonly attributes, encapsulating, for instance,
various collections of child elements. When used in this way, these objects
are always understood to be live, in the sense that changes
to the document are immediately reflected in them.
The class attribute of the element. See
the discussion elsewhere in this document of the class attribute; see also the
HTML definition of this attribute.
The xlink:href attribute of the element. See
the discussion elsewhere in this document of the xlink:href attribute; see also the
definition of this attribute in the
XLink specification.
The MathMLMathElement corresponding to the nearest
math element ancestor of this element. Should be null
if this element is a top-level math element.
Interface MathMLContainer
This is an abstract interface containing functionality required by MathML elements
that may contain arbitarily many child elements. No elements are directly supported by this interface;
all instances are instances of either MathMLPresentationContainer, MathMLContentContainer,
or MathMLMathElement.
IDL Definition
interface MathMLContainer {
readonly attribute unsigned long nArguments;
readonly attribute MathMLNodeList arguments;
readonly attribute MathMLNodeList declarations;
MathMLElement getArgument(in unsigned long index);
MathMLElement setArgument(in MathMLElement newArgument, in unsigned long index);
MathMLElement insertArgument(in MathMLElement newArgument, in unsigned long index);
void deleteArgument(in unsigned long index);
MathMLElement removeArgument(in unsigned long index);
MathMLDeclareElement getDeclaration(in unsigned long index);
MathMLDeclareElement setDeclaration(in MathMLDeclareElement newDeclaration, in unsigned long index);
MathMLDeclareElement insertDeclaration(in MathMLDeclareElement newDeclaration, in unsigned long index);
MathMLDeclareElement removeDeclaration(in unsigned long index);
void deleteDeclaration(in unsigned long index);
};
Attributes
nArguments of type
unsigned long, readonly
The number of child elements of this element
which represent arguments of the element, as opposed to qualifiers or declare elements.
Thus for a MathMLContentContainer it does not contain elements representing bound variables, conditions,
separators, degrees, or upper or lower limits (bvar,
condition, sep,
degree, lowlimit,
or uplimit).
This attribute accesses the child MathMLElements of
this element which are arguments of it, as a MathMLNodeList. Note that this list does not
contain any MathMLElements representing qualifier elements or declare elements.
Provides access to the declare elements
which are children of this element, in a MathMLNodeList. All
Nodes in this list must be MathMLDeclareElements.
Methods
getArgument
This method returns the indexth child argument element of this
element. This frequently differs from the value ofNode::childNodes().item(index),
as qualifier elements and declare elements are not counted.
Parameters
unsigned long
index
The one-based index of the argument to be retrieved.
A MathMLElement representing the index-th argument of this element.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of child elements.
setArgument
This method sets newArgument as the
index-th argument of this element. If there is currently an
index-th argument, it is replaced by newArgument.
This frequently differs from setting the node atNode::childNodes().item(index),
as qualifier elements and declare elements are not counted.
A MathMLElement representing the element that
is to be set as the index-th argument of this element.
unsigned long
index
The index of the argument that is to be set to
newArgument. The first argument is numbered 1. If index is one more than
the current number of arguments, a new argument is appended.
The MathMLElement child of this
element that represents the new argument in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
element of the type of newArgument, if this is a MathMLContentContainer and newArgument
is a qualifier element, or if newElement is a MathMLDeclareElement.
INDEX_SIZE_ERR: Raised if index is greater than one more than the number
of child elements.
insertArgument
This method inserts newArgument before the
current index-th argument of this element. If index is 0, or if
index is one more than the current number of arguments, newArgument is
appended as the last argument. This frequently differs from setting the node atNode::childNodes().item(index), as qualifier elements and declare
elements are not counted.
The MathMLElement child of this
element that represents the new argument in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
argument of the type of newArgument, or, for MathMLContentContainers, if newArgument
represents a qualifier element.
INDEX_SIZE_ERR: Raised if index is greater than one more than the number of child
arguments.
deleteArgument
This method deletes the index-th
child element that is an argument of this element. Note that child elements
which are qualifier elements or declare elements are not counted
in determining the index-th argument.
Parameters
unsigned long
index
The one-based index of the argument to be deleted.
Return value
void
None.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of child elements.
removeArgument
This method deletes the index-th
child element that is an argument of this element, and returns it to the caller.
Note that child elements that are qualifier elements or declare
elements are not counted in determining the index-th argument.
Parameters
unsigned long
index
The one-based index of the argument to
be removed.
The MathMLDeclareElement representing
the index-th child declare.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater than
the number of child declare elements.
setDeclaration
This method inserts newDeclaration as the index-th
child declaration of this element. If there is already an index-th
declare child element, it is replaced by
newDeclaration.
A MathMLDeclareElement to be
inserted as the index-th child declare element.
unsigned long
index
A one-based index into the list of
child declare elements of this element giving the
position into which newDeclaration is to be inserted. If index
is one more than the number of declare children
of this element, newDeclaration is appended as the last declare
child.
INDEX_SIZE_ERR: Raised if index is greater than
one more than the number of child declare elements.
HIERARCHY_REQUEST_ERR: Raised if this element does not permit child declare
elements.
insertDeclaration
This method inserts newDeclaration
before the current index-th child declare
element of this element. If index is 0, newDeclaration is appended
as the last child declare element.
A MathMLDeclareElement to be inserted as the
index-th child declare element.
unsigned long
index
A one-based index into the list of
child declare elements of this element giving the
position before which newDeclaration is to be inserted. If index is 0
or if it is one more than the number of child declare children,
newDeclaration is appended as the last child declare element.
The MathMLDeclareElement child
of this element representing newDeclaration in the DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than one more than the number of child declare elements.
HIERARCHY_REQUEST_ERR: Raised if this element does not permit child declare
elements.
removeDeclaration
This method removes the MathMLDeclareElement representing
the index-th declare child element of
this element, and returns it to the caller. Note that index
is the position in the list of declare element children,
as opposed to the position in the list of all child Nodes.
Parameters
unsigned long
index
The one-based index of the declare
element to be removed.
The MathMLDeclareElement being
removed as a child Node of this element.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater than
the number of child declare elements.
deleteDeclaration
This method deletes the MathMLDeclareElement representing
the index-th declare child element of
this element. Note that index is the position in the list of declare
element children, as opposed to the position in the list of all child Nodes.
Parameters
unsigned long
index
The one-based index of the declare
element to be removed.
Return value
void
None.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater than
the number of child declare elements.
This interface represents the top-level MathML math
element.
It may become useful for interfacing between the Document Object Model objects
encoding an enclosing document and the MathML DOM elements that are its children.
It could also be used for some purposes as a MathML DOM surrogate for a Document object.
For instance, MathML-specific factory methods could be placed here, as could methods for creating MathML-specific Iterators or TreeWalkers.
However, this functionality is as yet undefined.
This method inserts newAnnotation before
the current index-th `alternate' content associated
with a semantics element. If index is 0,
newAnnotation is appended as the last annotation or annotation-xml child of this element.
The MathMLAnnotationElement or
MathMLXMLAnnotationElement child of this element that represents
the new annotation in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newAnnotation is not a
MathMLAnnotationElement or MathMLXMLAnnotationElement.
INDEX_SIZE_ERR: Raised if index is greater
than the current number of annotation or
annotation-xml children of this
semantics element.
setAnnotation
This method allows setting or replacement of the
index-th `alternate' content associated with a
semantics element. If there is already an
annotation or annotation-xml
element with this index, it is replaced by newAnnotation.
A MathMLAnnotationElement or
MathMLXMLAnnotationElement representing the new value of the index-th annotation or
annotation-xml child of this semantics element.
unsigned long
index
The position in the list of
annotation or annotation-xml
children of this semantics element that is to be
occupied by newAnnotation. The first annotation element is numbered
1.
This interface is provided to serve as a base interface for
various MathML Presentation interfaces. It contains no new attributes or
methods at this time; however, it is felt that the distinction between
Presentation and Content MathML entities should be indicated in the
MathMLElement hierarchy. In particular, future versions of the MathML DOM
may add functionality on this interface; it may also serve as an aid to
implementors.
This interface extends the MathMLPresentationElement
interface for the MathML space element mspace.
Note that this is not derived from MathMLPresentationToken,
despite the fact that mspace is classified as a token element,
since it does not carry the attributes declared for
MathMLPresentationToken.
This interface extends the MathMLElement interface to
include access for attributes specific to text presentation. It serves as
the base class for all MathML presentation token elements. Access to the
body of the element is via the nodeValue attribute
inherited from Node. Elements that expose only the core presentation
token attributes are directly supported by this object. These elements are:
The mathvariant attribute for the element, if
specified. One of the values normal, bold, italic, bold-italic, double-struck, bold-fraktur,
script, bold-script, fraktur, sans-serif, bold-sans-serif, sans-serif-italic, sans-serif-bold-italic,
or monospace.
Returns the child Nodes of the
element. These should consist only of Text nodes and possibly
MathMLGlyphElements. Should behave the same as the base class's
Node::childNodes attribute; however, it is provided here for clarity.
A string giving the closing delimiter for the string literal;
represents the rquote attribute for the
ms element, if specified.
D.1.3.3 Presentation Container Interfaces
Interfaces designed to represent MathML Presentation elements that can contain
arbitrary numbers of child MathMLElements are included under the heading
of Presentation Container Elements.
This interface represents MathML Presentation elements that may
contain arbitarily many child elements. Elements directly supported by this interface
include mrow, mphantom and merror.
All attributes and methods are derived from the base MathMLPresentationElement and MathMLContainer interfaces.
This interface extends the MathMLElement interface for
the MathML style element mstyle.
While the mstyle element may contain any
attributes allowable on any MathML presentation element, only
attributes specific to the mstyle
element are included in the interface below. Other attributes should be
accessed using the methods on the base Element class, particularly
the Element::getAttribute and Element::setAttribute
methods, or even the Node::attributes attribute to access all of
them at once. Not only does this obviate a lengthy list below, but it seems
likely that most implementations will find this a considerably more useful
interface to a MathMLStyleElement.
A string of the form `+/- unsigned
integer'; represents the scriptlevel
attribute for the mstyle element, if specified. See
also the discussion of this attribute.
Either true or false;
a string representing the displaystyle attribute for the
mstyle element, if specified. See also the discussion
of this attribute.
A string of the form `number';
represents the scriptsizemultiplier attribute for the
mstyle element, if specified. See also the discussion
of this attribute.
A string of the form `numberv-unit'; represents the
scriptminsize attribute for the
mstyle element, if specified. See also the discussion
of this attribute.
A string representation of a color or the string
transparent; represents the
background attribute for the
mstyle element, if specified. See also the discussion
of this attribute.
A string representing the lspace attribute -
the additional space to the left - of the mpadded
element, if specified. See also the discussion of this
attribute.
A string giving a name for the notation enclosing
the element's contents. Represents the notation attribute
of the menclose. Allowed values are
longdiv,
actuarial,
radical.
This interface extends the MathMLPresentationElement interface for
the MathML subscript, superscript and
subscript-superscript pair elements
msub, msup, and
msubsup.
A string representing the minimum amount to shift the baseline of
the subscript down, if specified; this is the element's
subscriptshift attribute. This must return null
for an msup.
A string representing the minimum amount to shift the baseline of
the superscript up, if specified; this is the element's
superscriptshift attribute. This must return
null for a msub.
A MathMLElement representing the
superscript of the script. This is the second child of a
msup or the third child of a
msubsup; retrieval must return null for an
msub.
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised when the element is
a msub.
This interface extends the MathMLPresentationElement interface for
the MathML underscript, overscript and
overscript-underscript pair elements
munder, mover and
munderover.
Either true or false if
present; a string controlling whether underscript is drawn as an
`accent' or as a `limit', if specified; this is the
element's accentunder attribute. This must return
null for an mover.
Either true or false if
present; a string controlling whether overscript is drawn as an
`accent' or as a `limit', if specified; this is the
element's accent attribute. This must return
null for an munder.
A MathMLElement representing the
underscript of the script. This is the second child of a
munder or munderover;
retrieval must return null for an mover.
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised when the element is a
mover.
A MathMLElement representing the
overscript of the script. This is the second child of a
mover or the third child of a
munderover; retrieval must return null for an
munder.
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised when the element is a
munder.
A NodeList representing the prescripts of
the script, which appear in the order described by the expression
(prescript presuperscript)*. This is the same as traversing
the contents of the NodeList returned by
Node::childNodes() from the Node following the
<mprescripts/> (if present) to the end of the
list.
A MathMLNodeList representing the scripts of the
script, which appear in the order described by the expression (script
superscript)*. This is the same as traversing the contents of the
NodeList returned by Node::childNodes() from the first
Node up to and including the Node preceding the
<mprescripts/> (if present).
numprescriptcolumns of type
unsigned long, readonly
The number of script/subscript columns preceding (to the left of)
the base. Should always be half of
getprescripts().length()
numscriptcolumns of type
unsigned long, readonly
The number of script/subscript columns following (to the right
of) the base. Should always be half of
getscripts().length()
Methods
getPreSubScript
A convenience method to retrieve pre-subscript
children of the element, referenced by column index.
Parameters
unsigned long
colIndex
Column index of prescript
(where 1 represents the leftmost prescript column).
Returns the MathMLElement representing the
colIndex-th presubscript (to the left of the
base, counting from 1 at the far left). Note that this may be
the MathMLElement corresponding to the special element
<none/> in the case of a `missing'
presubscript (see the discussion of
mmultiscripts), or it may be null if
colIndex is out of range for the element.
This method raises no exceptions.
getSubScript
A convenience method to retrieve subscript
children of the element, referenced by column index.
Parameters
unsigned long
colIndex
Column index of script (where 1 represents the
leftmost script column, the first to the right
of the base).
Returns the MathMLElement representing the
colIndex-th subscript to the right of the
base. Note that this may be
the MathMLElement corresponding to the special element
<none/> in the case of a `missing'
subscript (see the discussion of
mmultiscripts), or it may be null if
colIndex is out of range for the element.
This method raises no exceptions.
getPreSuperScript
A convenience method to retrieve pre-superscript
children of the element, referenced by column index.
Parameters
unsigned long
colIndex
Column index of pre-superscript (where 1 represents the
leftmost prescript column).
Returns the MathMLElement representing the
colIndex-th presuperscript (to the left of
the base, counting from 1 at the far left). Note that this may be
the MathMLElement corresponding to the special element
<none/> in the case of a `missing'
presuperscript (see the discussion of
mmultiscripts), or it may be null if
colIndex is out of range for the element.
This method raises no exceptions.
getSuperScript
A convenience method to retrieve superscript
children of the element, referenced by column index.
Parameters
unsigned long
colIndex
Column index of script (where 1 represents the
leftmost script column, the first to the right of the
base)
Returns the MathMLElement representing the
colIndex-th superscript to the right of the
base. Note that this may be
the MathMLElement corresponding to the special element
<none/> in the case of a `missing'
superscript (see the discussion of
mmultiscripts), or it may be null if
colIndex is out of range for the element.
This method raises no exceptions.
insertPreSubScriptBefore
A convenience method to insert a pre-subscript before the position referenced by column index. If
colIndex is 0, the new pre-subscript is appended
as the last pre-subscript of the
mmultiscripts element; if colIndex is 1, a new pre-subscript is prepended at the far left. Note that inserting a
new pre-subscript will cause the insertion of an empty
pre-superscript in the same column.
Parameters
unsigned long
colIndex
Column index of pre-subscript (where 1 represents the leftmost prescript column).
The MathMLElement child of this
MathMLMultiScriptsElement representing the new script in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a pre-subscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than the number of pre-scripts of the element.
setPreSubScriptAt
A convenience method to set the pre-subscript child at the position referenced by colIndex.
If there is currently a pre-subscript at this position, it is
replaced by newScript.
Parameters
unsigned long
colIndex
Column index of pre-subscript (where 1 represents the leftmost prescript column).
The MathMLElement child of this
MathMLMultiScriptsElement representing the new pre-subscript in
the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a pre-subscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than one more than the number of pre-scripts of the element.
insertSubScriptBefore
A convenience method to insert a subscript before the position referenced by column index. If
colIndex is 0, the new subscript is appended
as the last subscript of the mmultiscripts element; if colIndex is 1, a new subscript is prepended
at the far left. Note that inserting a new subscript will
cause the insertion of an empty superscript in the same column.
Parameters
unsigned long
colIndex
Column index of subscript, where 1 represents the leftmost script column (the
first to the right of the base).
The MathMLElement child of this
MathMLMultiScriptsElement that represents the new subscript in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a subscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than the number of scripts of the element.
setSubScriptAt
A convenience method to set the subscript child at the position referenced by colIndex.
If there is currently a subscript at this position, it is
replaced by newScript.
Parameters
unsigned long
colIndex
Column index of subscript, where 1 represents the leftmost script column
(the first to the right of the base).
The MathMLElement chlid of this
element representing the new subscript in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a subscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than one more than the number of scripts of the element.
insertPreSuperScriptBefore
A convenience method to insert a pre-superscript before the position referenced by column index. If
colIndex is 0, the new pre-superscript is appended
as the last pre-superscript of the
mmultiscripts element; if colIndex is 1, a new pre-superscript is prepended at the far left. Note that inserting a
new pre-superscript will cause the insertion of an empty
pre-subscript in the same column.
Parameters
unsigned long
colIndex
Column index of pre-superscript (where 1 represents the leftmost prescript column).
The MathMLElement child of this
element that represents the new pre-superscript in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a pre-superscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than the number of pre-scripts of the element.
setPreSuperScriptAt
A convenience method to set the pre-superscript child at the position referenced by colIndex.
If there is currently a pre-superscript at this position, it is
replaced by newScript.
Parameters
unsigned long
colIndex
Column index of pre-superscript (where 1 represents the leftmost prescript column).
The MathMLElement child of this
element that represents the new pre-superscript in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a pre-superscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than one more than the number of pre-scripts of the element.
insertSuperScriptBefore
A convenience method to insert a superscript before the position referenced by column index. If
colIndex is 0, the new superscript is appended
as the last superscript of the mmultiscripts element; if colIndex is 1, a new superscript is prepended
at the far left. Note that inserting a new superscript will
cause the insertion of an empty subscript in the same column.
Parameters
unsigned long
colIndex
Column index of superscript, where 1 represents the leftmost script column (the
first to the right of the base).
The MathMLElement child of this
element that represents the new superscript in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newScript represents
an element that cannot be a superscript.
INDEX_SIZE_ERR: Raised if colIndex is greater
than the number of scripts of the element.
setSuperScriptAt
A convenience method to set the superscript child at the position referenced by colIndex.
If there is currently a superscript at this position, it is
replaced by newScript.
Parameters
unsigned long
colIndex
Column index of superscript, where 1 represents the leftmost script column
(the first to the right of the base).
A string representing the vertical alignment of the table with
the adjacent text. Allowed values are
(top |
bottom |
center |
baseline |
axis)[rownumber],
where rownumber is between 1 and n (for a table with
n rows) or -1 and -n.
A string representing the alignment of entries in each
row, consisting of a space-separated sequence of alignment
specifiers, each of which can have the following values:
top,
bottom,
center,
baseline, or
axis.
A string representing the alignment of entries in each
column, consisting of a space-separated sequence of alignment
specifiers, each of which can have the following values:
left,
center, or
right.
A string specifying how the alignment groups within the cells
of each row are to be aligned with the corresponding items above or below them
in the same column. The string consists of a sequence of braced group
alignment lists. Each group alignment list is a space-separated
sequence, each of which can have the following values:
left,
right,
center, or
decimalpoint.
A string consisting of a space-separated sequence of
specifiers, each of which can have one of the following forms:
auto,
number h-unit,
namedspace, or
fit. (A value of the form namedspace is one
of veryverythinmathspace, verythinmathspace,
thinmathspace, mediummathspace,
thickmathspace, verythickmathspace, or
veryverythickmathspace.) This represents the element's
columnwidth attribute.
A string specifying whether and what kind of lines should be
added between each row. The string consists of a
space-separated sequence of specifiers, each of which
can have the following values:
none,
solid, or
dashed.
A string specifying whether and what kind of lines should be
added between each column. The string consists of a
space-separated sequence of specifiers, each of which
can have the following values:
none,
solid, or
dashed.
A MathMLNodeList consisting
of MathMLTableRowElements and MathMLLabeledRowElements
representing the rows of the table. This is a live object.
Methods
insertEmptyRow
A convenience method to insert a new (empty)
row (mtr) in the table before the current index-th row. If index is less than 0, the new row is inserted
before the -index-th row counting up from the current last row; if
index is equal to the current number of rows, the new row is
appended as the last row.
Parameters
long
index
Position before which to insert the
new row, where 0 represents the first row. Negative numbers are used to
count backwards from the last row.
Returns the MathMLTableRowElement
child of this MathMLTableElement that represents the new
mtr element being inserted.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the current number of rows of this mtable
element or less than minus this number.
insertEmptyLabeledRow
A convenience method to insert a new (empty)
labeled row (mlabeledtr) in the table before the
current index-th row. If index is less than 0, the new row
is inserted before the -index-th row counting up from the current
last row; if index is equal to the current number of rows, the new
row is appended as the last row.
Parameters
long
index
Position before which to insert the
new row, where 0 represents the first row. Negative numbers are used to
count backwards from the last row.
Returns the MathMLLabeledRowElement child of this MathMLTableElement representing the
mtr element being inserted.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the current number of rows of this mtable
element or less than minus this number.
getRow
A convenience method to retrieve the index-th row
from the table. If index is less than 0, the -index-th row
from the bottom of the table is retrieved. (So, for instance, if index is -2, the next-to-last row is retrieved.) If index is not
a valid value (i.e. is greater than or equal to the number of rows, or is
less than minus the number of rows), a null MathMLTableRowElement is
returned.
Parameters
unsigned long
index
Index of the row to be returned, where
0 represents the first row. Negative numbers are used to count backwards
from the last row.
Returns the MathMLTableRowElement
representing the index-th row of the table.
This method raises no exceptions.
insertRow
A convenience method to insert the new row or
labeled row (mtr or mlabeledtr) represented by newRow in the table before the current index-th row. If index is equal to the current number of rows,
newRow is appended as the last row in the table. If index
is less than 0, the new row is inserted before the -index-th row
from the bottom of the table. (So, for instance, if index is -2,
the new row is inserted before the next-to-last current row.)
Parameters
long
index
Index before which to insert newRow, where 0 represents the first row. Negative numbers are used to count
backwards from the current last row.
The MathMLTableRowElement or
MathMLLabeledRowElement child of this MathMLTableElement representing the mtr element being inserted.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newRow is not a
MathMLTableRowElement or MathMLLabeledRowElement.
INDEX_SIZE_ERR: Raised if index is greater
than the current number of rows or less than minus the current number of
rows of this mtable element.
setRow
A method to set the value of the row in the
table at the specified index to the mtr or
mlabeledtr represented by newRow. If index is less than 0, the -index-th row counting up from the
last is replaced by newRow; if index is one more than the
current number of rows, the new row is appended as the last row in the
table.
Parameters
long
index
Index of the row to be set to newRow, where 0 represents the first row. Negative numbers are used to
count backwards from the last row.
Returns the MathMLTableRowElement
or MathMLLabeledRowElement child of this element that represents
the new row in the DOM.
Exceptions
DOMException
HIERARCHY_REQUEST_ERR: Raised if newRow is not a
MathMLTableRowElement or MathMLLabeledRowElement.
INDEX_SIZE_ERR: Raised if index is greater
than the current number of rows of this mtable
element or less than minus this number.
deleteRow
A convenience method to delete the row of the
table at the specified index. If index is less than 0, the -index-th row from the bottom of the table is deleted. (So, for
instance, if index is -2, the next-to-last row is deleted.)
Parameters
unsigned long
index
Index of row to be deleted, where 0
represents the first row.
Return value
void
None.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than or equal to the current number of rows of this
mtable element or less than minus this number.
removeRow
A convenience method to delete the row of the
table at the specified index and return it to the caller. If index
is less than 0, the -index-th row from the bottom of the table is
deleted. (So, for instance, if index is -2, the next-to-last
row is deleted.)
Parameters
long
index
Index of row to be removed, where 0
represents the first row.
A MathMLNodeList consisting of the cells of the
row. Note that this does not include the label if this is a
MathMLLabeledRowElement!
Methods
insertEmptyCell
A convenience method to insert a new (empty)
cell in the row.
Parameters
unsigned long
index
Index of the cell before which the new
cell is to be inserted, where the first cell is numbered 0. If index
is equal to the current number of cells, the new cell is appended as the
last cell of the row. Note that the index will differ from the index
of the corresponding Node in the collection returned by Node::childNodes if this is a MathMLLabeledRowElement!
A MathMLTableCellElement
representing the new cell (mtd element) to be
inserted.
unsigned long
index
Index of the cell before which the new
cell is to be inserted, where the first cell is numbered 0. If index
equals the current number of cells, the new cell is appended as the last
cell of the row. Note that the index will differ from the index of
the corresponding Node in Node::childNodes if this is a
MathMLLabeledRowElement!
The MathMLTableCellElement
representing the mtd element being inserted.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the current number of cells of this mtr
element.
setCell
A convenience method to set the value of a cell
in the row to newCell. If index is equal to the current number
of cells, newCell is appended as the last cell in the row.
A MathMLTableCellElement
representing the cell (mtd element) that is to be
inserted.
unsigned long
index
Index of the cell that is to be
replaced by the new cell, where the first cell is numbered 0. Note
that the index will differ from the index of the corresponding Node in the collection returned by Node::childNodes if this is a
MathMLLabeledRowElement!
A MathMLElement representing the
label of this row. Note that retrieving this should have the same effect as
a call to Node::getfirstChild(), while setting it should have the same effect
as Node::replaceChild(Node::getfirstChild()).
Exceptions on Setting
DOMException
NO_MODIFICATION_ALLOWED_ERR: Raised if this MathMLElement or the
new MathMLElement is read-only.
A string specifying an override of the inherited vertical
alignment of this cell within the table row. Allowed values are
top,
bottom,
center,
baseline, and
axis.
A string specifying an override of the inherited horizontal
alignment of this cell within the table column. Allowed values are
left,
center, and
right.
A string specifying how the alignment groups within the cell are
to be aligned with those in cells above or below this cell. The string
consists of a space-separated sequence of specifiers, each of which
can have the following values:
left,
right,
center, or
decimalpoint.
A string specifying how the alignment group is to be aligned with
other alignment groups above or below it. Allowed values are
left,
right,
center, or
decimalpoint.
This interface is provided to serve as a base interface for
various MathML Content interfaces. It contains no new attributes or methods at this time;
however, it is felt that the distinction between Presentation and Content MathML entities
should be indicated in the MathMLElement hierarchy. In particular, future versions of
the MathML DOM may add functionality on this interface; it may also serve as an aid
to implementors.
This is the interface from which the interfaces representing
the MathML Content token elements (ci, cn and
csymbol) are derived. These elements may contain MathML Presentation
elements, Text nodes, or a combination of both. Thus the getArgument
and insertArgument methods have been provided to deal with this
distinction between these elements and other MathML Content elements.
IDL Definition
interface MathMLContentToken: MathMLContentElement {
readonly attribute MathMLNodeList arguments;
attribute DOMString definitionURL;
attribute DOMString encoding;
Node getArgument(in unsigned long index);
Node insertArgument(in unsigned long index, in Node newArgument);
Node setArgument(in unsigned long index, in Node newArgument);
void deleteArgument(in unsigned long index);
Node removeArgument(in unsigned long index);
};
The arguments of this element, returned as a MathMLNodeList.
Note that this is not necessarily the same as Node::childNodes, particularly
in the case of the cn element. The reason is that the sep
elements that are used to separate the arguments of a cn are
not returned.
A string describing the syntax in which the definition
located at definitionURL is given.
Methods
getArgument
A convenience method to retrieve the child
argument at the position referenced by index. Note that this is
not necessarily the same as the index-th child Node
of this Element; in particular, sep
elements will not be counted.
Parameters
unsigned long
index
Position of desired argument in the list
of arguments. The first argument is numbered 1.
A convenience method to insert newArgument
before the current index-th argument child of this element.
If index is 0, newArgument is appended as the last argument.
Parameters
unsigned long
index
Position before which newArgument
is to be inserted. The first argument is numbered 1.Note that this is
not necessarily the index of the Node in the list of child nodes,
as nodes representing such elements as sep are not
counted as arguments.
The Node inserted. This is the
element within the DOM.
This method raises no exceptions.
setArgument
A convenience method to set an argument child at the position
referenced by index. If there is currently an argument at this
position, it is replaced by newArgument.
Parameters
unsigned long
index
Position of the argument that is to be
set to newArgument in the list of arguments. The first argument
is numbered 1. Note that this is not necessarily the index of the
Node in the list of child nodes, as nodes representing such elements
as sep are not counted as arguments.
Values include
integer,
rational,
real,
float,
complex,
complex-polar,
complex-cartesian,
constant,
any of the MathML content container types
(vector,
matrix,
set,
list etc.)
or their types.
This interface represents the csymbol
element. Although it currently has no attributes or methods distinct from those of MathMLContentToken,
a separate interface is provided to emphasize the conceptual role of the csymbol element.
We have added interfaces for content elements that are containers,
i.e. elements that may contain child elements corresponding to arguments,
bound variables, conditions, or lower or upper limits.
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
condition element. In particular, raised if
this element is not a apply,
set, or list.
This attribute represents the degree child
element of this node. This expresses, for instance, the degree of differentiation
if this element is a bvar child of an
apply element whose first child is a diff
or partialdiff. If this is an
apply element whose first child is a partialdiff,
the opDegree attribute, if present, represents the total degree of differentiation.
See Section 4.2.3.2 [Operators taking Qualifiers].
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
degree element. In particular, raised if
this element is not a bvar or apply.
This attribute represents the domainofapplication child
element of this node, if present. This may express, for instance, the domain of integration
if this element is an apply element whose first child is an integral operator
(int). See Section 4.2.3.2 [Operators taking Qualifiers].
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
domainofapplication element.
This attribute represents the momentabout child
element of this node, if present. This typically expresses the point about which a statistical
moment is to be calculated, if this element is an apply element whose
first child is a moment. See
Section 4.2.3.2 [Operators taking Qualifiers].
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
momentabout element. In particular, raised if
this element is not an apply whose first child is a moment.
Methods
getBoundVariable
This method retrieves the index-th
MathMLBvarElement child of the MathMLElement. Note that
only bvar child elements are counted in determining
the index-th bound variable.
Parameters
unsigned long
index
The one-based index into the bound variable
children of this element of the MathMLBvarElement to
be retrieved.
The MathMLBvarElement representing
the index-th bvar child of this element.
This method raises no exceptions.
insertBoundVariable
This method inserts a MathMLBvarElement
as a child node before the current index-th bound variable child
of this MathMLElement. If index is 0, newBVar
is appended as the last bound variable child. This has the effect of adding
a bound variable to the expression this element represents. Note that the
new bound variable is inserted as the index-th
bvar child node, not necessarily as the index-th child node.
The point of the method is to allow insertion of bound variables without
requiring the caller to calculate the exact order of child qualifier
elements.
HIERARCHY_REQUEST_ERR: Raised if this element does not permit child
bvar elements.
setBoundVariable
This method sets the index-th bound
variable child of this MathMLElement to newBVar. This
has the effect of setting a bound variable in the expression this element
represents. Note that the new bound variable is inserted as the index-th bvar child node, not necessarily
as the index-th child node. The point of the method is to allow
insertion of bound variables without requiring the caller to calculate the
exact order of child qualifier elements. If there is already a
bvar at the index-th position, it is
replaced by newBVar.
HIERARCHY_REQUEST_ERR: Raised if this element does not permit child
bvar elements.
deleteBoundVariable
This method deletes the index-th
MathMLBvarElement child of the MathMLElement. This has the
effect of removing this bound variable from the list of qualifiers
affecting the element this represents.
Parameters
unsigned long
index
The one-based index into the bound variable
children of this element of the MathMLBvarElement to
be removed.
Return value
void
None.
This method raises no exceptions.
removeBoundVariable
This method removes the index-th
MathMLBvarElement child of the MathMLElement and returns
it to the caller. This has the effect of removing this bound variable from
the list of qualifiers affecting the element this represents.
Parameters
unsigned long
index
The one-based index into the bound variable
children of this element of the MathMLBvarElement to
be removed.
This attribute represents the lowlimit
child element of this node (if any). This expresses, for instance, the lower limit of
integration if this is an apply element whose first
child is a int. See Section 4.2.3.2 [Operators taking Qualifiers].
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
lowlimit element. In particular, raised if
this element is not an apply element whose first child
is an int, sum,
product, or limit element.
This attribute represents the uplimit
child element of this node (if any). This expresses, for instance, the upper limit of
integration if this is an apply element whose first
child is a int. See Section 4.2.3.2 [Operators taking Qualifiers].
Exceptions on Setting
DOMException
HIERARCHY_REQUEST_ERR: Raised if this element does not permit a child
uplimit element. In particular, raised if
this element is not an apply element whose first child
is an int, sum,
or product element.
The fn element makes explicit the fact that
a more general MathML object is intended to be used in the same manner as if it
were a pre-defined function such as sin or
plus.
The MathMLElement representing the expression.
This is included only as a convenience; getting it should give the same
result as MathMLContentContainer::getArgument(1).
The set element is the container element
that represents a set of elements. The elements of a set can be defined either
by explicitly listing the elements, or by using the
bvar and condition elements.
The list element is the container element
which represents a list of elements. Elements can be defined either by
explicitly listing the elements, or by using the bvar
and condition elements.
This interface represents the MathML bound variable
element bvar. The interface currently
provides no functionality beyond that of MathMLContentContainer,
but is useful for defining the type of bound variable access functions.
A string giving the name of the MathML element represented.
This is a convenience attribute only; accessing it should be synonymous with
accessing the Element::tagName attribute.
The interval element is used to represent
simple mathematical intervals on the real number line. It contains either two
child elements that evaluate to real numbers or one child element that is a
condition for defining membership in the interval.
A MathMLCnElement representing the real number defining
the start of the interval. If end has not already been
set, it becomes the same as start until set otherwise.
A MathMLCnElement representing the real number defining
the end of the interval. If start has not
already been set, it becomes the same as end until set otherwise.
The declare construct has two primary roles.
The first is to change or set the default attribute values for a specific
mathematical object. The second is to establish an association between a
`name' and an object.
A string indicating the type of the identifier. It must be compatible
with the type of the constructor, if a constructor is
present. The type is inferred from the constructor if present,
otherwise it must be specified.
nargs of type
unsigned long
If the identifier is a function, this attribute
specifies the number of arguments the function takes. This represents the
declare element's nargs attribute;
see Section 4.4.2.8 [Declare (declare)].
interface MathMLVectorElement: MathMLContentElement {
readonly attribute unsigned long ncomponents;
MathMLContentElement getComponent(in unsigned long index);
MathMLContentElement insertComponent(in MathMLContentElement newComponent, in unsigned long index);
MathMLContentElement setComponent(in MathMLContentElement newComponent, in unsigned long index);
deleteComponent(in unsigned long index);
MathMLContentElement removeComponent(in unsigned long index);
};
Attributes
ncomponents of type
unsigned long, readonly
The number of components in the vector.
Methods
getComponent
A convenience method to retrieve a component.
Parameters
unsigned long
index
Position of the component in the list of components. The first
element is numbered 1.
The MathMLContentElement component at
the position specified by index. If index is not a valid
index (i.e. is greater than the number of components of the vector or less
than 1), a null MathMLContentElement is returned.
This method raises no exceptions.
insertComponent
A convenience method to insert a new component
in the vector before the current index-th component. If index is 0 or is one more than the number of components currently in the
vector, newComponent is appended as the last component of the
vector.
The MathMLContentElement child
of this MathMLVectorElement representing the new component in the DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than one more than the current number of components of this
vector element.
setComponent
A convenience method to set the index-th
component of the vector to newComponent. If index is one
more than the current number of components, newComponent is
appended as the last component.
The MathMLContentElement child
of this MathMLVectorElement that represents the new component in
the DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than one more than the current number of components of this
vector element.
deleteComponent
A convenience method to delete an element. The
deletion changes the indices of the following components.
Parameters
unsigned long
index
Position of the component in the vector.
The position of the first component is 1
Return value
None
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the current number of components of this vector
element.
removeComponent
A convenience method to remove a component from
a vector and return it to the caller. If index is greater than the number of
components or is 0, a null MathMLContentElement is returned.
Parameters
unsigned long
index
Position of the component in the list of
components. The first element is numbered 1.
INDEX_SIZE_ERR: Raised if index is greater
than the number of rows in the matrix.
insertRow
A convenience method to insert a row before
the row that is currently the index-th row of this
matrix. If index is 0, newRow is appended as the
last row of the matrix.
The MathMLMatrixrowElement added.
This is the new element within the DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than one more than the number of rows in the matrix.
HIERARCHY_REQUEST_ERR: Raised if the number of cells in
newRow doesn't match the number of columns in the matrix.
setRow
A convenience method to set the value of
the index-th child matrixrow element of
this element. If there is already a row at the specified index, it is
replaced by newRow.
The matrixrow element is the container
element for the elements of a matrix.
IDL Definition
interface MathMLMatrixrowElement: MathMLContentElement {
readonly attribute unsigned long nEntries;
MathMLContentElement getEntry(in unsigned long index);
MathMLContentElement insertEntry(in MathMLContentElement newEntry, in unsigned long index);
MathMLContentElement setEntry(in MathMLContentElement newEntry, in unsigned long index);
deleteEntry(in unsigned long index);
MathMLContentElement removeEntry(in unsigned long index);
};
Attributes
nEntries of type
unsigned long, readonly
The number of entries in the row.
Methods
getEntry
A convenience method to retrieve the contents of
an entry by index.
Parameters
unsigned long
index
Position of the entry in the row. The
first entry is numbered 1.
The MathMLContentElement element
representing the index-th entry in the row.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of entries in the row.
insertEntry
A convenience method to insert an entry before the
current index-th entry of the row. If index is 0, newEntry is appended as the last entry. Note that this method increases
the size of the matrixrow.
The MathMLContentElement child of
this MathMLMatrixrowElement representing newEntry in the
DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of entries in the row.
setEntry
A convenience method to set the contents of the
entry at position index in the row to newEntry. If there is
already a entry at the specified index, it is replaced by the new
entry.
The piecewise element represents
the piecewise definition of a function. It contains child piece elements, each
represented by a MathMLCaseElement, giving the various conditions and
associated function value specifications in the function definition, and
an optional otherwise child element, represented by a
MathMLContentElement, giving the `default' value of the
function - that is, the value to be assigned when none of the conditions specified in
the piece child elements hold.
IDL Definition
interface MathMLPiecewiseElement: MathMLContentElement {
readonly attribute MathMLNodeList pieces;
attribute MathMLContentElement otherwise;
MathMLCaseElement getCase(in unsigned long index);
MathMLCaseElement setCase(in unsigned long index, in MathMLCaseElement case);
void deleteCase(in unsigned long index);
MathMLCaseElement removeCase(in unsigned long index);
MathMLCaseElement insertCase(in unsigned long index, in MathMLCaseElement newCase);
MathMLContentElement getCaseValue(in unsigned long index);
MathMLContentElement setCaseValue(in unsigned long index, in MathMLContentElement value);
MathMLContentElement getCaseCondition(in unsigned long index);
MathMLContentElement setCaseCondition(in unsigned long index, in MathMLContentElement condition);
};
A MathMLNodeList containing one MathMLCaseElement
representing each of the piece element children of this
MathMLPiecewiseElement. The otherwise
child (if present) is not contained in this MathMLNodeList.
Returns a MathMLContentElement representing the value
to be taken by the piecewise function when none of the conditions described in the
piece children is true.
Methods
getCase
A convenience method to retrieve the child piece
at the position referenced by index.
Parameters
unsigned long
index
Position of desired case in the list of cases.
The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position. If index is
greater than the number of pieces, a null MathMLCaseElement
is returned; no error is generated.
A convenience method to set the value of the child piece
at the position referenced by index to the value of case.
Parameters
unsigned long
index
Position of the piece to be set
to case. The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position. If there is currently
a piece at this position, it will be replaced by case.
If index is one more than the number of piece child elements,
a new one will be appended.
INDEX_SIZE_ERR: Raised if index is greater than
one more than the number of pieces in this element.
deleteCase
A convenience method to delete the child piece
at the position referenced by index. The deletion changes the indices of
the following pieces.
Parameters
unsigned long
index
Position of the piece to be deleted. The first
piece is numbered 1; the otherwise child (if present)
is not counted, regardless of its position.
Return value
void
None.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater than
the number of pieces in this element.
removeCase
A convenience method to remove the child piece
at the position referenced by index and return it to the caller. The removal
changes the indices of the following pieces.
Parameters
unsigned long
index
Position of the piece to be removed. The first
piece is numbered 1; the otherwise child (if present)
is not counted, regardless of its position.
INDEX_SIZE_ERR: Raised if index is greater than
the number of pieces in this element.
insertCase
A convenience method to insert a new piece child
into this element.
Parameters
unsigned long
index
Position before which case is to be inserted. If index
is 0, newCase is appended as the last piece child of
this element. The otherwise child (if present) is not counted,
regardless of its position.
The new MathMLCaseElement inserted. This is the
actual Element in the DOM.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
one more than the number of pieces in this element.
getCaseValue
A convenience method to retrieve the child of the indexth
piece in this element which specifies the function value for that case.
Parameters
unsigned long
index
Position of the piece whose value is being
requested in the list of pieces. The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position.
The MathMLContentElement representing the value
to be taken by the function in the indexth case.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of pieces in this element.
setCaseValue
A convenience method to set the function value for the indexth
piece in this element.
Parameters
unsigned long
index
Position of the piece whose value is being
set in the list of pieces. The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position.
The MathMLContentElement representing the value
to be taken by the function in the indexth case.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of pieces in this element.
getCaseCondition
A convenience method to retrieve the child of the piece
at the position referenced by index which gives the condition for this case.
Parameters
unsigned long
index
Position of the piece whose condition
is being requested in the list of pieces. The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position.
The MathMLContentElement representing the condition
to be satisfied for the indexth case.
Exceptions
DOMException
INDEX_SIZE_ERR: Raised if index is greater
than the number of pieces in this element.
setCaseCondition
A convenience method to set the condition for the indexth
piece in this element.
Parameters
unsigned long
index
Position of the piece whose condition is being
set in the list of pieces. The first piece is numbered 1; the otherwise
child (if present) is not counted, regardless of its position.
The piece element represents
one of a sequence of cases used in the piecewise definition of a function. It contains two child
elements, each represented by a MathMLContentElement. The first child determines
the subset of the domain affected, normally by giving a condition to be satisfied. The second
gives the value of the function over the indicated subset of its domain.
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