11.6 The HTML Outline Object

GoFiler Legato Script Reference

Legato v 1.5b

Application v 5.24b

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Chapter Eleven — SGML Functions (continued)

11.6 The HTML Outline Object

11.6.1 General

The Outline object will scan a file or object containing HTML and make a map of blocks, headings and tables. In addition, table content can be scanned.

11.6.2 Basic Operation

An object can be created by calling the OutlineCreateObject function which can also scan or map the HTML at the same time. Alternatively, an object can be created and later loaded with data and scanned by using the OutlineSetFile or OutlineSetObject functions.

By default, table content is not mapped. It is assumed that tables are treated as complete blocks whose content can be independently mapped. Tables can be mapped by setting the HO_MAP_TABLE_CONTENT option during the initial scan.

The scanning flags are as follows (combine as OR):

Definition		Bitwise	Comment
Item Options
	HO_MAP_EMPTY_BLOCKS	0x00010000	Map Empty Blocks
	HO_MAP_ABS_POSITIONS	0x00020000	Add in Absolute Position
	HO_MAP_TABLE_CONTENT	0x00080000	Map Table Content
	HO_MAP_MAP_IDS	0x00100000	Map IDs
	HO_MAP_MAP_KEYWORDS	0x00200000	Map Keyword (word array)
	HO_MAP_MAP_FIELD_SET	0x00400000	Map SGML Fields Set Variables
Keyword Options
	HO_MAP_KEYWORD_NUMBERS	0x00000001	Numbers
	HO_MAP_KEYWORD_DATES	0x00000002	Dates
	HO_MAP_KEYWORD_CARDINAL	0x00000004	Cardinal Numbers

As items are discovered, they are added to the outline map which can be accessed by an index position. Each mapped item will have a type which can be retrieved from the map by using the OutlineGetItemType function. The types are as follows:

Definition		Bitwise	Comment
Basic Types
	HO_TYPE_MASK	0x00FF0000	Type Mask
	HO_TYPE_UNKNOWN	0x00000000	Unknown Type
	HO_TYPE_EMPTY	0x00010000	Empty
	HO_TYPE_BLOCK_GENERAL	0x00020000	General Block (unknown)
	HO_TYPE_HEADING	0x00030000	Heading
	HO_TYPE_PARAGRAPH	0x00040000	Paragraph
	HO_TYPE_LIST	0x00050000	List Item
	HO_TYPE_TABLE_GENERAL	0x00060000	Table General/Unknown
	HO_TYPE_PAGE_BREAK	0x000B0000	Page Break
	HO_TYPE_FIELD_SET	0x000C0000	Field Set
	HO_TYPE_ID_GROUP	0x000F0000	Specifies a Named Position
	HO_TYPE_TABLE_CELL	0x00100000	Table Cell (Table Content Only)‡
Align Mode
	HO_TYPE_MODE_MASK	0x0000000F	Alignment type mask
	HO_TYPE_MODE_LEFT	0x00000001	Left
	HO_TYPE_MODE_RIGHT	0x00000002	Right
	HO_TYPE_MODE_CENTER	0x00000003	Center
	HO_TYPE_MODE_JUSTIFY	0x00000004	Justify

‡ Only when table content is mapped.

11.6.3 Functions

OutlineCreateObject — Creates an Outline Object either as empty or from a file, Mapped Text or Edit Object.

OutlineGetString — Returns the outline string for entry.

OutlineSetFile — Maps the contents of a specified file into the Outline Object.

OutlineSetObject — Maps the content of a specified object into the Outline Object.

OutlineGetItemColumn — Gets the column for the specified item.

OutlineGetItemCount — Returns the count of outline items.

OutlineGetItemHTML — Gets the text of an item as the source HTML.

OutlineGetItemPosEX — Gets the ending X position of entry data.

OutlineGetItemPosEY — Gets the ending Y position of entry data.

OutlineGetItemPosSX — Gets the starting X position of entry data.

OutlineGetItemPosSY — Gets the starting Y position of entry data.

OutlineGetItemRow — Gets the row for the specified item.

OutlineGetItemSpan — Gets the span value for a cell.

OutlineGetItemText — Gets the text of an outline entry.

OutlineGetItemType — Returns the coded type of an item and its characteristics.

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