1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2008 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 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 47 int 48 tmlex(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