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Manual Reference Pages  -  XMSTRINGPARSETEXT (3)


XmStringParseText — A function that converts a character string to a compound string



#include <Xm/Xm.h>
XmString XmStringParseText(
XtPointer text,
XtPointer *text_end,
XmStringTag tag,
XmTextType type,
XmParseTable parse_table,
Cardinal parse_count,
XtPointer call_data);


XmStringParseText converts characters specified in text to corresponding components in the returned compound string. The resulting compound string consists of at least one locale or charset tag component and a series of XmString text components and other components. The conversion proceeds according to the parse information contained in parse_table. See the Motif Programmer’s Guide for more information about parsing and parse tables.
o If type is XmCHARSET_TEXT, the associated tag is interpreted as a charset name. If tag has a value of NULL, a charset component whose value is the result of mapping XmFONTLIST_DEFAULT_TAG is created.
o If type is XmMULTIBYTE_TEXT or XmWIDECHAR_TEXT, the associated tag is interpreted as a language environment name. If tag has a value of NULL, a locale component with a value of _MOTIF_DEFAULT_LOCALE is created. If type is XmMULTIBYTE_TEXT or XmWIDECHAR_TEXT, tag must be NULL or _MOTIF_DEFAULT_LOCALE.
XmStringParseText also scans the string for characters that have matches in parse_table. Whenever a match is found, the text up to that point is concatenated with the mapped component.
text Specifies the NULL-terminated string containing characters of a type determined by type. This is updated to point to after the last character scanned.
text_end Specifies a pointer into text. If a NULL is supplied to the text_end parameter, then XmStringParseText parses text until NULL is encountered, or until it reaches a point in text where it is directed to stop (for example, by a parse_proc). Otherwise, the value supplied to the text_end parameter is the pointer into text where parsing is to stop, and the returned character is the one where parsing did stop.
tag Specifies the tag to be used in creating the result. The type of string tag created (charset or locale) depends on the text type and the passed in tag value. If the tag value is NULL and if type indicates that a charset string tag should be created, the string tag has the value that is the result of mapping XmFONTLIST_DEFAULT_TAG. If type indicates a locale string tag, the string tag has the value _MOTIF_DEFAULT_LOCALE.
type Specifies the type of text and the tag type. If a locale tag should be created, type has a value of either XmMULTIBYTE_TEXT or XmWIDECHAR_TEXT. If type has value of XmCHARSET_TEXT, a charset tag will be created.
parse_table Specifies the parse table to be used in scanning for characters to be converted to other compound string components.
parse_count Specifies the number of entries in parse_table.
call_data Specifies data to be passed to the parse procedures.


Returns a new compound string. The function allocates space to hold the returned compound string. When the application no longer needs the returned compound string, the application should call XmStringFree.


XmString(3), XmStringFree(3), XmParseTable(3), XmParseMapping(3).

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