142 lines
4.5 KiB
C
142 lines
4.5 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $XConsortium: paramu.c /main/3 1995/11/08 10:35:06 rswiston $ */
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/*
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Copyright 1986 Tandem Computers Incorporated.
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This product and information is proprietary of Tandem Computers Incorporated.
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Copyright (c) 1986, 1987, 1988, 1989 Hewlett-Packard Co.
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*/
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/* Paramu.c contains functions for programs ELTDEF and PARSER
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relevant to checking parameter values. */
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/* Check to see if string is a valid value for parameter par. If so
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return a pointer to the keyword if it's a keyword parameter and otherwise
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a pointer to string. If not valid, return FALSE. */
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const M_WCHAR *m_partype(const int par , const M_WCHAR *string )
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{
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LOGICAL first = TRUE ;
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int kw ;
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const M_WCHAR *p = string ;
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int len ;
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if (m_parameter[par - 1].type == M_KEYWORD) {
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for (kw = m_parameter[par - 1].kwlist ; kw ; kw = m_ptype[kw - 1].next)
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if (! m_wcupstrcmp(&m_keyword[m_ptype[kw - 1].keyword], string))
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return(&m_keyword[m_ptype[kw - 1].keyword]) ;
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return(FALSE) ;
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}
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if (m_parameter[par - 1].type == M_CDATT) return(string) ;
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if (! *string) return(FALSE) ;
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if (m_allwhite(string)) return(FALSE) ;
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len = 0 ;
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for ( ; *p ; p++)
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switch (m_cttype(*p)) {
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case M_NONNAME:
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switch (m_parameter[par - 1].type) {
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case M_ID:
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case M_IDRF:
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case M_NAMEPAR:
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case M_NMTOKEN:
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case M_NUMBER:
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case M_NUTOKEN:
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case M_ENTATT:
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return(FALSE) ;
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default:
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len = 0 ;
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if (! m_whitespace(*p)) return(FALSE) ;
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}
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first = TRUE ;
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break ;
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case M_NMSTART:
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len++ ;
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if (len > M_NAMELEN) return(FALSE) ;
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if (m_parameter[par - 1].type == M_NUMBER ||
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m_parameter[par - 1].type == M_NUMS) return(FALSE) ;
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first = FALSE ;
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break ;
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case M_NAMECHAR:
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len++ ;
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if (len > M_NAMELEN) return(FALSE) ;
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switch (m_parameter[par - 1].type) {
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case M_ID:
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case M_IDRF:
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case M_IDRFS:
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case M_NAMEPAR:
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case M_NAMES:
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case M_ENTATT:
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if (first) return(FALSE) ;
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break ;
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case M_NMTOKEN:
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case M_NMSTOKEN:
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break ;
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case M_NUMBER:
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case M_NUMS:
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return(FALSE) ;
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case M_NUTOKEN:
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case M_NUSTOKEN:
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if (first) return(FALSE) ;
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break ;
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default:
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m_error("Undefined parameter type") ;
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m_exit(TRUE) ;
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}
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break ;
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case M_DIGIT:
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len++ ;
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if (len > M_NAMELEN) return(FALSE) ;
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switch (m_parameter[par - 1].type) {
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case M_ID:
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case M_IDRF:
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case M_IDRFS:
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case M_NAMEPAR:
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case M_NAMES:
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case M_ENTATT:
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if (first) return(FALSE) ;
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break ;
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case M_NUMBER:
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case M_NUMS:
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break ;
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case M_NMTOKEN:
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case M_NMSTOKEN:
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case M_NUTOKEN:
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case M_NUSTOKEN:
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first = FALSE ;
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break ;
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default:
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m_error("Undefined parameter type") ;
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m_exit(TRUE) ;
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}
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break ;
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default:
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m_error("Undefined character type") ;
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m_exit(TRUE) ;
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}
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if (m_parameter[par - 1].type == M_ENTATT) {
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if ((M_ENTITY *) m_lookfortrie(string, m_enttrie))
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return(string) ;
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else return(FALSE) ;
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}
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return(string) ;
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}
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