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GoFiler Legato Script Reference
Legato v 1.4j Application v 5.22b
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Chapter Eleven — SGML Functions (continued)
Overview
The HTMLContextCreate creates an HTML Context Object and optionally scans the HTML file.
Syntax/Parameters
Syntax
handle = HTMLContextCreate ( handle hObject | string url, [dword flags] );
Parameters
hObject
A handle to an SGML, Mapped Text or Edit Object. Or,
url
A string specifying an HTML file.
flags
A dword specifying what items to track as the file is scanned. If the value is zero or omitted, the content is not scanned.
Return Value
A handle to an HTML Context Object or NULL_HANDLE on failure. Use the GetLastError function to retrieve a formatted error code.
Remarks
Creating an HTML Context Object allows for multiple operation to be performed, including determining the element context at a specific location within the file.
The tables within the object are not automatically updated when the source file is altered after a scan.
The flags parameter is a bitwise value which may consist of the following values:
| SDK Definition | Bitwise | Description | ||||
| HFS_GET_STACK_ONLY | 0x00000000 | No flags, loads only context stack. | ||||
| HFS_GET_NAME_SPACE | 0x00000001 | Track NAME Space | ||||
| HFS_GET_URI_REFERENCE | 0x00000002 | Track URI References | ||||
| HFS_GET_CLASS | 0x00000004 | Track CLASS References | ||||
| HFS_GET_OBJECTS | 0x00000008 | Track Object/Image Definitions | ||||
| HFS_GET_FIELD | 0x00000010 | Track Marker Definitions | ||||
| HFS_GET_FONTS | 0x00010000 | Track Font References | ||||
| HFS_GET_COLORS | 0x00020000 | Track Color References |
At the end of the scan, additional information is returned in a bitwise for within the last error code.
| SDK Definition | Bitwise | Description | ||||
| HFS_RESULT_NESTING | 0x00100000 | File Contains Stack/Nesting Error(s) | ||||
| HFS_RESULT_MID_ENTITY | 0x00200000 | Stopped Mid Entity | ||||
| HFS_RESULT_MID_ELEMENT | 0x00400000 | Stopped Mid Element | ||||
| HFS_RESULT_NOT_VALID_POINT | 0x00600000 | Combine Above |
Note that several of the context functions will reset the last data range position of the underlying parser. If a shared SGML Object is employed, make sure the data range and scan positions are reset prior to using the parser.
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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