scuffed-code/icu4c/source/extra/ustdio/uscanset.h

81 lines
2.4 KiB
C

/*
*******************************************************************************
* *
* COPYRIGHT: *
* (C) Copyright International Business Machines Corporation, 1999 *
* Licensed Material - Program-Property of IBM - All Rights Reserved. *
* US Government Users Restricted Rights - Use, duplication, or disclosure *
* restricted by GSA ADP Schedule Contract with IBM Corp. *
* *
*******************************************************************************
*
* File uscanset.h
*
* Modification History:
*
* Date Name Description
* 12/03/98 stephen Creation.
* 03/12/99 stephen Modified for new C API.
*******************************************************************************
*/
#ifndef USCANSET_H
#define USCANSET_H
#include "unicode/utypes.h"
/**
* Simple struct for a scanset pair, ie a-z or A-Z
*/
struct u_scanf_scanset_pair {
UChar start;
UChar end;
};
typedef struct u_scanf_scanset_pair u_scanf_scanset_pair;
#define U_SCANF_MAX_SCANSET_SIZE 512
/**
* Struct representing a scanset
*/
struct u_scanf_scanset {
bool_t is_inclusive; /* false if '^' is given */
UChar singles [U_SCANF_MAX_SCANSET_SIZE];
u_scanf_scanset_pair pairs [U_SCANF_MAX_SCANSET_SIZE];
int32_t single_count; /* count of single chars in set */
int32_t pair_count; /* count of pairs in set */
};
typedef struct u_scanf_scanset u_scanf_scanset;
/**
* Init a u_scanf_scanset.
* @param scanset A pointer to the u_scanf_scanset to init.
* @param s A pointer to the first character in the scanset
* @param len On input, a pointer to the length of <TT>s</TT>. On output,
* a pointer to the number of characters parsed, excluding the final ']'
* @return TRUE if successful, FALSE otherwise.
*/
bool_t
u_scanf_scanset_init(u_scanf_scanset *scanset,
const UChar *s,
int32_t *len);
/**
* Determine if a UChar is in a u_scanf_scanset
* @param scanset A pointer to a u_scanf_scanset
* @param c The UChar to test.
* @return TRUE if the UChar is in the scanset, FALSE otherwise
*/
bool_t
u_scanf_scanset_in(u_scanf_scanset *scanset,
UChar c);
#endif