PDSEdit_Layer.PDSTreeRoot (PDFL)

	Typedef
	PDSTreeRoot The root of the structure tree, which is a central repository for information related to a PDF document's logical structure. There is at most one PDSTreeRoot in each document.

	Method
	void PDSTreeRootCreateClassMap(INPDSTreeRoot treeRoot, OUTPDSClassMap* classMap) Creates a PDSClassMap in the specified tree root.
	void PDSTreeRootCreateRoleMap(INPDSTreeRoot treeRoot, OUTPDSRoleMap* roleMap) Creates and sets the PDSRoleMap of the specified StructTreeRoot element. Any previously existing PDSRoleMap is unlinked.
	ASBool PDSTreeRootGetClassMap(INPDSTreeRoot treeRoot, OUTPDSClassMap* classMap) Gets the PDSClassMap object for the specified structure tree root.
	ASBool PDSTreeRootGetElementFromID(INPDSTreeRoot treeRoot, IN const char* id, INASInt32 numChars, OUTPDSElement* element) Gets the element associated with the given ID, if any.
	void PDSTreeRootGetKid(INPDSTreeRoot treeRoot, INASInt32 index, OUTPDSElement* kid) Gets the kid at an array index in the specified structure tree root.
	ASInt32 PDSTreeRootGetNumKids(INPDSTreeRoot treeRoot) Gets the number of kids of the structure tree root.
	ASBool PDSTreeRootGetRoleMap(INPDSTreeRoot treeRoot, OUTPDSRoleMap* roleMap) Gets the PDSRoleMap object for the specified structure tree root.
	void PDSTreeRootInsertKid(INPDSTreeRoot treeRoot, INPDSElement kid, INASInt32 insertAfter) Inserts the specified kid element after the given position as a kid of the specified structure tree root.
	void PDSTreeRootRemoveClassMap(INPDSTreeRoot treeRoot) Removes the PDSClassMap of the specified structure tree root element. It does nothing if one does not exist.
	void PDSTreeRootRemoveKid(INPDSTreeRoot treeRoot, INPDSElement kid) Removes the specified kid element from the specified structure tree root.
	void PDSTreeRootRemoveRoleMap(INPDSTreeRoot treeRoot) Removes the PDSRoleMap of the specified structure tree root element. It does nothing if one does not exist.
	void PDSTreeRootReplaceKid(INPDSTreeRoot treeRoot, INPDSElement oldKid, INPDSElement newKid) Replaces structural element oldKid with element newKid as a kid of treeRoot.
	void PDSTreeRootReplaceStreamRef(PDSTreeRoot treeRoot, CosObj oldStream, CosObj newStream) Updates the stream entries (Stm) in marked content reference dictionaries to reference a new Cos stream object. It replaces references to the old stream with refererences to the new stream.

Typedefs Detail

PDSTreeRoot

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax

typedef CosObj PDSTreeRoot;

The root of the structure tree, which is a central repository for information related to a PDF document's logical structure. There is at most one PDSTreeRoot in each document.

File: PDSExpT.h

Line: 95

Method Detail

PDSTreeRootCreateClassMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootCreateClassMap(INPDSTreeRoot treeRoot, OUTPDSClassMap* classMap)

Creates a PDSClassMap in the specified tree root.

Any previously existing PDSClassMap is unlinked.

This may raise various exceptions.

Parameters

	`treeRoot` —	The structure tree root in which to create a PDSClassMap.

	`classMap` —	(Filled by the method) The newly created PDSClassMap.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 183

PDSTreeRootCreateRoleMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootCreateRoleMap(INPDSTreeRoot treeRoot, OUTPDSRoleMap* roleMap)

Creates and sets the PDSRoleMap of the specified StructTreeRoot element. Any previously existing PDSRoleMap is unlinked.

This may raise various exceptions.

Parameters

	`treeRoot` —	The structure tree root in which to create a PDSRoleMap.

	`roleMap` —	(Filled by the method) The newly created PDSRoleMap.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 150

PDSTreeRootGetClassMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





ASBool PDSTreeRootGetClassMap(INPDSTreeRoot treeRoot, OUTPDSClassMap* classMap)

Gets the PDSClassMap object for the specified structure tree root.

This may throw various exceptions.

Parameters

	`treeRoot` —	The structure tree root whose PDSClassMap is obtained.

	`classMap` —	(Filled by the method) A pointer to a location in which to return the class map, if one exists. Set it to CosNull if there is no class map. If a `NULL` pointer is passed, no retrieval will take place.

Returns

true if there is a class map, false otherwise.

See Also

PDSTreeRootCreateClassMap

Since

PI_PDS_READ_VERSION >= 0x00040000

File: PDSReadProcs.h

Line: 126

PDSTreeRootGetElementFromID

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





ASBool PDSTreeRootGetElementFromID(INPDSTreeRoot treeRoot, IN const char* id, INASInt32 numChars, OUTPDSElement* element)

Gets the element associated with the given ID, if any.

Parameters

	`treeRoot` —	The structure tree root in which to search for `id`.

	`id` —	A pointer to a buffer containing the ID to search for.

	`numChars` —	The number of characters in `id`.

	`element` —	(Filled by the method) The element corresponding to `id`. It is undefined if no element has the specified `id`.

Returns

true if an element for id is found, or false with element undefined if the tree root contains no IDTree value.

See Also

PDSElementGetID

Exceptions

pdsErrWrongTypeParameter is raised if id is NULL or numChars is zero or less.
pdsErrWrongTypeEntry is raised if the IDTree value in treeRoot is not a dictionary.

Since

PI_PDS_READ_VERSION >= 0x00040000

File: PDSReadProcs.h

Line: 149

PDSTreeRootGetKid

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootGetKid(INPDSTreeRoot treeRoot, INASInt32 index, OUTPDSElement* kid)

Gets the kid at an array index in the specified structure tree root.

Parameters

	`treeRoot` —	The structure tree root whose kid is obtained.

	`index` —	The index of the kid to obtain.

	`kid` —	(Filled by the method) A pointer to the kid at `index`.

See Also

PDSTreeRootGetNumKids

Exceptions

pdsErrBadPDF is raised if an error is found in the PDF file.

Since

PI_PDS_READ_VERSION >= 0x00040000

File: PDSReadProcs.h

Line: 90

PDSTreeRootGetNumKids

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





ASInt32 PDSTreeRootGetNumKids(INPDSTreeRoot treeRoot)

Gets the number of kids of the structure tree root.

This may throw various exceptions.

Parameters

treeRoot —

IN/OUT The structure tree root whose number of kids is obtained.

Returns

The number of kids of the structure tree root.

See Also

PDSTreeRootGetKid

Since

PI_PDS_READ_VERSION >= 0x00040000

File: PDSReadProcs.h

Line: 73

PDSTreeRootGetRoleMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





ASBool PDSTreeRootGetRoleMap(INPDSTreeRoot treeRoot, OUTPDSRoleMap* roleMap)

Gets the PDSRoleMap object for the specified structure tree root.

This may throw various exceptions.

Parameters

	`treeRoot` —	The structure tree root whose PDSRoleMap is obtained.

	`roleMap` —	(Filled by the method) A pointer to a location in which to return the role map, if one exists. Set it to CosNull if there is no role map. If a `NULL` pointer is passed, no retrieval will take place.

Returns

true if there is a role map, false otherwise.

See Also

PDSTreeRootCreateRoleMap

Since

PI_PDS_READ_VERSION >= 0x00040000

File: PDSReadProcs.h

Line: 108

PDSTreeRootInsertKid

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootInsertKid(INPDSTreeRoot treeRoot, INPDSElement kid, INASInt32 insertAfter)

Inserts the specified kid element after the given position as a kid of the specified structure tree root.

This may raise various exceptions.

Parameters

	`treeRoot` —	IN/OUT The structure tree root in which a kid is inserted.

	`kid` —	IN/OUT The kid to insert.

	`insertAfter` —	IN/OUT The position after which the kid is inserted. If `element` currently has no kids, `insertAfter` is ignored.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 100

PDSTreeRootRemoveClassMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootRemoveClassMap(INPDSTreeRoot treeRoot)

Removes the PDSClassMap of the specified structure tree root element. It does nothing if one does not exist.

This may raise various exceptions.

Parameters

treeRoot —

The structure tree root whose PDSClassMap is removed.

See Also

PDSTreeRootCreateClassMap

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 197

PDSTreeRootRemoveKid

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootRemoveKid(INPDSTreeRoot treeRoot, INPDSElement kid)

Removes the specified kid element from the specified structure tree root.

This may raise various exceptions.

Parameters

	`treeRoot` —	IN/OUT The structure tree root whose kid is removed.

	`kid` —	IN/OUT The kid to remove.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 117

PDSTreeRootRemoveRoleMap

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootRemoveRoleMap(INPDSTreeRoot treeRoot)

Removes the PDSRoleMap of the specified structure tree root element. It does nothing if one does not exist.

This may raise various exceptions.

Parameters

treeRoot —

The structure tree root whose PDSRoleMap is removed.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 165

PDSTreeRootReplaceKid

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootReplaceKid(INPDSTreeRoot treeRoot, INPDSElement oldKid, INPDSElement newKid)

Replaces structural element oldKid with element newKid as a kid of treeRoot.

This may raise various exceptions.

Parameters

	`treeRoot` —	IN/OUT The structure tree root whose kid is replaced.

	`oldKid` —	IN/OUT The kid to replace.

	`newKid` —	IN/OUT The kid that is replacing `oldKid`.

Since

PI_PDS_WRITE_VERSION >= 0x00040000

File: PDSWriteProcs.h

Line: 134

PDSTreeRootReplaceStreamRef

()

Product availability: PDFL

Platform availability: Macintosh, Windows, UNIX

Syntax





void PDSTreeRootReplaceStreamRef(PDSTreeRoot treeRoot, CosObj oldStream, CosObj newStream)

Updates the stream entries (Stm) in marked content reference dictionaries to reference a new Cos stream object. It replaces references to the old stream with refererences to the new stream.

This may raise various exceptions.

Parameters

	`treeRoot` —	The structure tree root in which stream references are updated.

	`oldStream` —	The stream reference to replace.

	`newStream` —	The stream reference that is replacing `oldStream`.

Since

PI_PDS_WRITE_VERSION >= 0x00060000

File: PDSWriteProcs.h

Line: 885

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Tue Jun 23 2020, 12:30 AM GMT+05:30

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PDSTreeRoot	Typedefs \| Methods

Layer	PDSEdit_Layer
Object	PDSTreeRoot