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MPEG Transport Stream Toolkit
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ts::xml::Text Class Reference

#include <tsxmlText.h>

Inheritance diagram for ts::xml::Text:
Collaboration diagram for ts::xml::Text:

Public Member Functions

 Text (const Text &other)
 Text (Element *parent, const UString &text, bool cdata=false, bool trimmable=false)
 Text (Report &report=(ts::NullReport::Instance()), size_t line=0, bool cdata=false, bool trimmable=false)
size_t childrenCount () const
virtual void clear ()
virtual Node * clone () const override
UString debug () const
size_t depth () const
Document * document ()
const Document * document () const
virtual void expandEnvironment (bool recurse)
Node * firstChild ()
const Node * firstChild () const
Element * firstChildElement ()
const Element * firstChildElement () const
bool hasChildren () const
bool ignoreNamespace () const
bool isCData () const
bool isTrimmable () const
Node * lastChild ()
const Node * lastChild () const
size_t lineNumber () const
void move (Node *new_sibling, bool before)
void moveAfter (Node *new_sibling)
void moveBefore (Node *new_sibling)
Node * nextSibling ()
const Node * nextSibling () const
Element * nextSiblingElement ()
const Element * nextSiblingElement () const
virtual UString oneLiner () const
Node * parent ()
const Node * parent () const
bool preserveSpace () const
Node * previousSibling ()
const Node * previousSibling () const
Element * previousSiblingElement ()
const Element * previousSiblingElement () const
virtual void print (TextFormatter &output, bool keep_node_open=false) const override
virtual void printClose (TextFormatter &output, size_t levels=UNLIMITED) const
void removeComments (bool recurse)
void reparent (Node *new_parent, bool last=true)
Report & report () const
bool ringAlone () const
void ringInsertAfter (RingNode *o)
void ringInsertBefore (RingNode *o)
template<typename T>
T * ringNext ()
template<typename T>
const T * ringNext () const
template<typename T>
T * ringPrevious ()
template<typename T>
const T * ringPrevious () const
void ringRemove ()
size_t ringSize () const
void ringSwap (RingNode *o)
virtual void setIignoreNamespace (bool ignore)
void setTrimmable (bool trimmable)
void setValue (const UString &value)
virtual bool stickyOutput () const override
virtual const Tweaks & tweaks () const
virtual UString typeName () const override
const UString & value () const

Protected Member Functions

Node * identifyNextNode (TextParser &parser)
virtual bool parseChildren (TextParser &parser, size_t max_nested)
virtual bool parseNode (TextParser &parser, const Node *parent, size_t max_nested) override
void setPreserveSpace (bool on)

Detailed Description

Text element in an XML document.

Constructor & Destructor Documentation

◆ Text() [1/3]

ts::xml::Text::Text ( Report & report = (ts::NullReport::Instance()),
size_t line = 0,
bool cdata = false,
bool trimmable = false )
explicit

Constructor.

Parameters
[in,out]reportWhere to report errors.
[in]lineLine number in input document.
[in]cdataThe text is a CDATA node.
[in]trimmableThe text can be trimmed (space reduction) when serialized on a non-formatting output (e.g. one-liner XML).

◆ Text() [2/3]

ts::xml::Text::Text ( Element * parent,
const UString & text,
bool cdata = false,
bool trimmable = false )

Constructor.

Parameters
[in,out]parentThe parent into which the element is added.
[in]textContent of the text.
[in]cdataThe text is a CDATA node.
[in]trimmableThe text can be trimmed (space reduction) when serialized on a non-formatting output (e.g. one-liner XML).

◆ Text() [3/3]

ts::xml::Text::Text ( const Text & other)

Copy constructor.

Parameters
[in]otherOther instance to copy.

Member Function Documentation

◆ isCData()

bool ts::xml::Text::isCData ( ) const
inline

Check if the text is a CDATA node.

Returns
True if the text is a CDATA node.

◆ isTrimmable()

bool ts::xml::Text::isTrimmable ( ) const
inline

Check if the text is trimmable (space reduction).

Returns
True if the text is trimmable.

◆ setTrimmable()

void ts::xml::Text::setTrimmable ( bool trimmable)
inline

Specify if the text is trimmable (space reduction).

Parameters
[in]trimmableThe text can be trimmed (space reduction) when serialized on a non-formatting output (e.g. one-liner XML).

◆ clone()

virtual Node * ts::xml::Text::clone ( ) const
overridevirtual

Clone the content of the node in a dynamically allocated object. This virtual method must be implemented by subclasses to allocate a object of the right class.

Returns
The address of a new XML node of the same class as this object, same content, same structure.

Implements ts::xml::Node.

◆ typeName()

virtual UString ts::xml::Text::typeName ( ) const
overridevirtual

Return a node type name, mainly for debug purpose.

Returns
Node type name.

Implements ts::xml::Node.

◆ stickyOutput()

virtual bool ts::xml::Text::stickyOutput ( ) const
overridevirtual

Check if the text shall be stuck to other elements in XML output.

Returns
True if the text shall be stuck to other elements. False by default.

Reimplemented from ts::xml::Node.

◆ print()

virtual void ts::xml::Text::print ( TextFormatter & output,
bool keep_node_open = false ) const
overridevirtual

Format the node for an output XML document.

Parameters
[in,out]outputThe output object to format the XML document.
[in]keep_node_openIf true, keep the node open so that children may be printed later.

Implements ts::xml::Node.

◆ parseNode()

virtual bool ts::xml::Text::parseNode ( TextParser & parser,
const Node * parent,
size_t max_nested )
overrideprotectedvirtual

Parse the node.

Parameters
[in,out]parserThe document parser. On input, the current position of the parser after the tag which identified the node ("<?", "<!- -", etc.) On output, it must be after the last character of the node.
[in]parentCandidate parent node, for information only, do not modify. Can be null.
[in]max_nestedMaximum number of nested levels to explore.
Returns
True on success, false on error.

Implements ts::xml::Node.

◆ lineNumber()

size_t ts::xml::Node::lineNumber ( ) const
inlineinherited

Get the line number in input document.

Returns
The line number in input document, zero if the node was built programmatically.

◆ clear()

virtual void ts::xml::Node::clear ( )
virtualinherited

Clear the content of the node. The node becomes empty but remains attached to its parent.

Reimplemented in ts::xml::Element.

◆ reparent()

void ts::xml::Node::reparent ( Node * new_parent,
bool last = true )
inherited

Attach the node to a new parent. The node is first detached from its previous parent.

Parameters
[in,out]new_parentNew parent. If zero, the node becomes orphan. In that case, the node will no longer be freed by its parent and must be explicitly deleted.
[in]lastIf true, the child is added at the end of the list of children. If false, it is added at the beginning.

◆ moveBefore()

void ts::xml::Node::moveBefore ( Node * new_sibling)
inlineinherited

Move the node before another node, potentially to a new parent.

Parameters
[in,out]new_siblingA new sibling. The node will be moved before this one.

◆ moveAfter()

void ts::xml::Node::moveAfter ( Node * new_sibling)
inlineinherited

Move the node after another node, potentially to a new parent.

Parameters
[in,out]new_siblingA new sibling. The node will be moved after this one.

◆ move()

void ts::xml::Node::move ( Node * new_sibling,
bool before )
inherited

Move the node before or after another node, potentially to a new parent.

Parameters
[in,out]new_siblingA new sibling. The node will be moved before or after this one.
[in]beforeIf true, move the node before new_sibling, after it otherwise.

◆ parent() [1/2]

const Node * ts::xml::Node::parent ( ) const
inlineinherited

Get the parent's node.

Returns
The parent's node or a null pointer if this is a top-level document.

◆ parent() [2/2]

Node * ts::xml::Node::parent ( )
inlineinherited

Get the parent's node.

Returns
The parent's node or zero if this is a top-level document.

◆ document() [1/2]

const Document * ts::xml::Node::document ( ) const
inlineinherited

Get the document into which the node is located.

Returns
The node's document or zero if there is no document.

◆ document() [2/2]

Document * ts::xml::Node::document ( )
inherited

Get the document into which the node is located.

Returns
The node's document or zero if there is no document.

◆ tweaks()

virtual const Tweaks & ts::xml::Node::tweaks ( ) const
virtualinherited

Get a constant reference to the current XML parsing and formatting tweaks for this node.

Returns
A constant reference to the XML tweaks to apply. When the node is part of a document, get the global tweaks of the document. Otherwise, get the default tweaks.

Reimplemented in ts::xml::Document.

◆ depth()

size_t ts::xml::Node::depth ( ) const
inherited

Get the depth of an XML element.

Returns
The depth of the element, ie. the number of ancestors.

◆ preserveSpace()

bool ts::xml::Node::preserveSpace ( ) const
inherited

Check if the node or one of its ancestors has attribute xml:space="preserve".

Returns
True if spaces shall be preserved.

◆ ignoreNamespace()

bool ts::xml::Node::ignoreNamespace ( ) const
inlineinherited

Check if namespace is ignored by default when comparing element and attribute names in this node's hierarchy.

Returns
True if namespace is ignored by default.

◆ setIignoreNamespace()

virtual void ts::xml::Node::setIignoreNamespace ( bool ignore)
virtualinherited

Specify if namespace is ignored by default when comparing element and attribute names in this node's hierarchy.

Parameters
[in]ignoreIt true, namespace is ignored by default.

Reimplemented in ts::xml::Element.

◆ hasChildren()

bool ts::xml::Node::hasChildren ( ) const
inlineinherited

Check if the node has children.

Returns
True if the node has children.

◆ childrenCount()

size_t ts::xml::Node::childrenCount ( ) const
inlineinherited

Get the number of children.

Returns
The number of children.

◆ firstChild() [1/2]

const Node * ts::xml::Node::firstChild ( ) const
inlineinherited

Get the first child of a node.

Returns
The first child of the node or zero if there is no children.

◆ firstChild() [2/2]

Node * ts::xml::Node::firstChild ( )
inlineinherited

Get the first child of a node.

Returns
The first child of the node or zero if there is no children.

◆ lastChild() [1/2]

const Node * ts::xml::Node::lastChild ( ) const
inlineinherited

Get the last child.

Returns
The last child or zero if there is none.

◆ lastChild() [2/2]

Node * ts::xml::Node::lastChild ( )
inlineinherited

Get the last child.

Returns
The last child or nullptr if there is none.

◆ nextSibling() [1/2]

const Node * ts::xml::Node::nextSibling ( ) const
inlineinherited

Get the next sibling node.

Returns
The next sibling node or zero if the node is the last child.

◆ nextSibling() [2/2]

Node * ts::xml::Node::nextSibling ( )
inherited

Get the next sibling node.

Returns
The next sibling node or zero if the node is the last child.

◆ previousSibling() [1/2]

const Node * ts::xml::Node::previousSibling ( ) const
inlineinherited

Get the previous sibling node.

Returns
The previous sibling node or zero if the node is the first child.

◆ previousSibling() [2/2]

Node * ts::xml::Node::previousSibling ( )
inherited

Get the previous sibling node.

Returns
The previous sibling node or zero if the node is the first child.

◆ firstChildElement() [1/2]

const Element * ts::xml::Node::firstChildElement ( ) const
inlineinherited

Get the first child Element of a node.

Returns
The first child Element of the node or zero if there is no child Element.

◆ firstChildElement() [2/2]

Element * ts::xml::Node::firstChildElement ( )
inherited

Get the first child Element of a node.

Returns
The first child Element of the node or zero if there is no child Element.

◆ nextSiblingElement() [1/2]

const Element * ts::xml::Node::nextSiblingElement ( ) const
inlineinherited

Find the next sibling element.

Returns
Element address or zero if not found.

◆ nextSiblingElement() [2/2]

Element * ts::xml::Node::nextSiblingElement ( )
inherited

Find the next sibling element.

Returns
Element address or zero if not found.

◆ previousSiblingElement() [1/2]

const Element * ts::xml::Node::previousSiblingElement ( ) const
inlineinherited

Find the previous sibling element.

Returns
Element address or zero if not found.

◆ previousSiblingElement() [2/2]

Element * ts::xml::Node::previousSiblingElement ( )
inherited

Find the previous sibling element.

Returns
Element address or zero if not found.

◆ value()

const UString & ts::xml::Node::value ( ) const
inlineinherited

Get the value of the node.

The semantic of the value depends on the node subclass:

  • Comment: Content of the comment, without "<!--" and "-->".
  • Declaration: Content of the declaration, without "<?" and "?>".
  • Document: Empty.
  • Element: Name of the element.
  • Text: Text content of the element, including spaces and new-lines.
  • Unknown: Content of the tag, probably an uninterpreted DTD.
Returns
A constant reference to the node value, as a string.

◆ setValue()

void ts::xml::Node::setValue ( const UString & value)
inlineinherited

Set the value of the node.

Parameters
[in]valueNew value to set.
See also
value()

◆ removeComments()

void ts::xml::Node::removeComments ( bool recurse)
inherited

Remove all comments in the XML node.

Parameters
[in]recurseIf true, apply recursively to all children nodes.

◆ expandEnvironment()

virtual void ts::xml::Node::expandEnvironment ( bool recurse)
virtualinherited

Expand all environment variables in the XML node. Environment variables are referenced using '${varname}' in text, attributes, names.

Parameters
[in]recurseIf true, apply recursively to all children nodes.

Reimplemented in ts::xml::Element.

◆ printClose()

virtual void ts::xml::Node::printClose ( TextFormatter & output,
size_t levels = UNLIMITED ) const
virtualinherited

Print the closing tags for the node. Typically used after print() when keep_node_open was true. The default implementation is to do nothing. Subclasses may replace this.

Parameters
[in,out]outputThe output object to format the XML document.
[in]levelsNumber of levels to close. By default, close the complete document. If zero, no output is produced.

Reimplemented in ts::xml::Document, and ts::xml::Element.

◆ oneLiner()

virtual UString ts::xml::Node::oneLiner ( ) const
virtualinherited

Format the value as a one-liner XML text.

Returns
The formatted one-line XML text.

◆ debug()

UString ts::xml::Node::debug ( ) const
inherited

Build a debug string for the node.

Returns
A debug string for the node.

◆ report()

Report & ts::xml::Node::report ( ) const
inlineinherited

Get a reference to the report object for the XML node.

Returns
A reference to the report object for the XML node.

◆ identifyNextNode()

Node * ts::xml::Node::identifyNextNode ( TextParser & parser)
protectedinherited

Identify the next token in the document.

Parameters
[in,out]parserThe document parser.
Returns
A new node or zero either at end of document or before a "</" sequence. The returned node, when not zero, is not yet linked to its parent and siblings. When the returned node is not zero, the parser is located after the tag which identified the node ("<?", "<!- -", etc.)

◆ parseChildren()

virtual bool ts::xml::Node::parseChildren ( TextParser & parser,
size_t max_nested )
protectedvirtualinherited

Parse children nodes and add them to the node. Stop either at end of document or before a "</" sequence or on error.

Parameters
[in,out]parserThe document parser.
[in]max_nestedMaximum number of nested levels to explore.
Returns
True on success, false on error.

◆ setPreserveSpace()

void ts::xml::Node::setPreserveSpace ( bool on)
inlineprotectedinherited

Called by the subclass when its spaces shall be preserved. Typically called when xml:space="preserve" is encountered.

Parameters
[in]onTrue is spaces shall be preserved.

◆ ringAlone()

bool ts::RingNode::ringAlone ( ) const
inlineinherited

Check if the node is alone in its own ring.

Returns
True if the node is alone in its own ring.

◆ ringRemove()

void ts::RingNode::ringRemove ( )
inherited

Remove the node from the ring it belongs to and creates its own ring.

◆ ringInsertAfter()

void ts::RingNode::ringInsertAfter ( RingNode * o)
inherited

Insert this object in a ring after the specified node.

Parameters
[in]oA node of a ring. This object is inserted after o in the ring.

◆ ringInsertBefore()

void ts::RingNode::ringInsertBefore ( RingNode * o)
inherited

Insert this object in a ring before the specified node.

Parameters
[in]oA node of a ring. This object is inserted before o in the ring.

◆ ringSwap()

void ts::RingNode::ringSwap ( RingNode * o)
inherited

Swap this object and another one in their rings. If the two objects belong to the same ring, their positions are swapped. If they belong to distinct rings, they also move to each other's ring.

Parameters
[in]oThe node to swap with.

◆ ringNext() [1/2]

template<typename T>
T * ts::RingNode::ringNext ( )
inlineinherited

Get the next node in the ring.

Template Parameters
TA superclass of RingNode, the expected type of the next object in the ring.
Returns
Address of the next node in the ring or zero if the next node is not a subclass of T.

◆ ringNext() [2/2]

template<typename T>
const T * ts::RingNode::ringNext ( ) const
inlineinherited

Get the next node in the ring.

Template Parameters
TA superclass of RingNode, the expected type of the next object in the ring.
Returns
Address of the next node in the ring or zero if the next node is not a subclass of T.

◆ ringPrevious() [1/2]

template<typename T>
T * ts::RingNode::ringPrevious ( )
inlineinherited

Get the previous node in the ring.

Template Parameters
TA superclass of RingNode, the expected type of the previous object in the ring.
Returns
Address of the previous node in the ring or zero if the previous node is not a subclass of T.

◆ ringPrevious() [2/2]

template<typename T>
const T * ts::RingNode::ringPrevious ( ) const
inlineinherited

Get the previous node in the ring.

Template Parameters
TA superclass of RingNode, the expected type of the previous object in the ring.
Returns
Address of the previous node in the ring or zero if the previous node is not a subclass of T.

◆ ringSize()

size_t ts::RingNode::ringSize ( ) const
inherited

Count the number of element in the ring. Warning: This method has a linear response time, avoid using it when possible.

Returns
The number of nodes in the ring.

The documentation for this class was generated from the following file: