1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Eclipse Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.eclipse.org/org/documents/epl-v10.html * 11* (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Bell Laboratories 26 * 27 * time conversion support 28 */ 29 30#include <ast.h> 31#include <tm.h> 32#include <ctype.h> 33 34/* 35 * return the tab table index that matches s ignoring case and .'s 36 * tm_data.format checked if tminfo.format!=tm_data.format 37 * 38 * ntab and nsuf are the number of elements in tab and suf, 39 * -1 for 0 sentinel 40 * 41 * all isalpha() chars in str must match 42 * suf is a table of nsuf valid str suffixes 43 * if e is non-null then it will point to first unmatched char in str 44 * which will always be non-isalpha() 45 */ 46 47int 48tmlex(register const char* s, char** e, char** tab, int ntab, char** suf, int nsuf) 49{ 50 register char** p; 51 register char* x; 52 register int n; 53 54 for (p = tab, n = ntab; n-- && (x = *p); p++) 55 if (*x && *x != '%' && tmword(s, e, x, suf, nsuf)) 56 return p - tab; 57 if (tm_info.format != tm_data.format && tab >= tm_info.format && tab < tm_info.format + TM_NFORM) 58 { 59 tab = tm_data.format + (tab - tm_info.format); 60 if (suf && tab >= tm_info.format && tab < tm_info.format + TM_NFORM) 61 suf = tm_data.format + (suf - tm_info.format); 62 for (p = tab, n = ntab; n-- && (x = *p); p++) 63 if (*x && *x != '%' && tmword(s, e, x, suf, nsuf)) 64 return p - tab; 65 } 66 return -1; 67} 68