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/* Copyright (c) 1991 Regents of the University of California */ |
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|
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* header.c - routines for reading and writing information headers. |
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* |
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* 8/19/88 |
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* Externals declared in resolu.h |
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* |
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* printargs(ac,av,fp) print an argument list to fp, followed by '\n' |
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* newheader(t,fp) start new information header identified by string t |
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* isheadid(s) returns true if s is a header id line |
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* headidval(r,s) copy header identifier value in s to r |
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* dateval(t,s) get capture date value |
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* isdate(s) returns true if s is a date line |
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* fputdate(t,fp) put out the given capture date and time |
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* fputnow(fp) put out the current date and time |
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* printargs(ac,av,fp) print an argument list to fp, followed by '\n' |
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* isformat(s) returns true if s is of the form "FORMAT=*" |
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* formatval(r,s) copy the format value in s to r |
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* fputformat(s,fp) write "FORMAT=%s" to fp |
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* getheader(fp,f,p) read header from fp, calling f(s,p) on each line |
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* globmatch(pat, str) check for glob match of str against pat |
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* checkheader(i,p,o) check header format from i against p and copy to o |
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* |
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* To copy header from input to output, use getheader(fin, fputs, fout) |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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#include <stdio.h> |
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#include <string.h> |
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#include <time.h> |
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#include <ctype.h> |
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|
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#define MAXLINE 512 |
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#define MAXLINE 512 |
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|
|
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#ifndef BSD |
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< |
#define index strchr |
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#define index strchr |
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#endif |
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|
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extern char *index(); |
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|
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char FMTSTR[] = "FORMAT="; |
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int FMTSTRL = 7; |
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char HDRSTR[] = "#?"; /* information header magic number */ |
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|
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char FMTSTR[] = "FORMAT="; /* format identifier */ |
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|
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printargs(ac, av, fp) /* print arguments to a file */ |
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int ac; |
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char **av; |
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char TMSTR[] = "CAPDATE="; /* capture date identifier */ |
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|
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> |
static int mycheck(); |
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|
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|
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> |
void |
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> |
newheader(s, fp) /* identifying line of information header */ |
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char *s; |
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register FILE *fp; |
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{ |
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< |
int quote; |
112 |
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|
44 |
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while (ac-- > 0) { |
45 |
< |
if (index(*av, ' ') != NULL) { /* quote it */ |
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< |
if (index(*av, '\'') != NULL) |
47 |
< |
quote = '"'; |
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< |
else |
49 |
< |
quote = '\''; |
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< |
putc(quote, fp); |
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< |
fputs(*av++, fp); |
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< |
putc(quote, fp); |
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} else |
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< |
fputs(*av++, fp); |
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< |
putc(' ', fp); |
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} |
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fputs(HDRSTR, fp); |
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> |
fputs(s, fp); |
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putc('\n', fp); |
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} |
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|
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|
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isformat(s) /* is line a format line? */ |
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int |
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> |
headidval(r,s) /* get header id (return true if is id) */ |
119 |
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register char *r, *s; |
120 |
> |
{ |
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register char *cp = HDRSTR; |
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> |
|
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> |
while (*cp) if (*cp++ != *s++) return(0); |
124 |
> |
if (r == NULL) return(1); |
125 |
> |
while (*s && !isspace(*s)) *r++ = *s++; |
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> |
*r = '\0'; |
127 |
> |
return(1); |
128 |
> |
} |
129 |
> |
|
130 |
> |
|
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int |
132 |
> |
isheadid(s) /* check to see if line is header id */ |
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char *s; |
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{ |
135 |
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return(!strncmp(s,FMTSTR,FMTSTRL)); |
135 |
> |
return(headidval(NULL, s)); |
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} |
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|
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|
139 |
< |
formatval(r, s) /* return format value */ |
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int |
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dateval(tloc, s) /* get capture date value */ |
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> |
time_t *tloc; |
142 |
> |
char *s; |
143 |
> |
{ |
144 |
> |
struct tm tms; |
145 |
> |
register char *cp = TMSTR; |
146 |
> |
|
147 |
> |
while (*cp) if (*cp++ != *s++) return(0); |
148 |
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while (isspace(*s)) s++; |
149 |
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if (!*s) return(0); |
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> |
if (sscanf(s, "%d:%d:%d %d:%d:%d", |
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> |
&tms.tm_year, &tms.tm_mon, &tms.tm_mday, |
152 |
> |
&tms.tm_hour, &tms.tm_min, &tms.tm_sec) != 6) |
153 |
> |
return(0); |
154 |
> |
if (tloc == NULL) |
155 |
> |
return(1); |
156 |
> |
tms.tm_mon--; |
157 |
> |
tms.tm_year -= 1900; |
158 |
> |
tms.tm_isdst = -1; /* ask mktime() to figure out DST */ |
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> |
*tloc = mktime(&tms); |
160 |
> |
return(1); |
161 |
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} |
162 |
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|
163 |
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|
164 |
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int |
165 |
> |
isdate(s) /* is the given line a capture date? */ |
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char *s; |
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{ |
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> |
return(dateval(NULL, s)); |
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} |
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|
171 |
> |
|
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void |
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> |
fputdate(tv, fp) /* write out the given time value */ |
174 |
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time_t tv; |
175 |
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FILE *fp; |
176 |
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{ |
177 |
> |
struct tm *tm = localtime(&tv); |
178 |
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if (tm == NULL) |
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> |
return; |
180 |
> |
fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR, |
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> |
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, |
182 |
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tm->tm_hour, tm->tm_min, tm->tm_sec); |
183 |
> |
} |
184 |
> |
|
185 |
> |
|
186 |
> |
void |
187 |
> |
fputnow(fp) /* write out the current time */ |
188 |
> |
FILE *fp; |
189 |
> |
{ |
190 |
> |
time_t tv; |
191 |
> |
time(&tv); |
192 |
> |
fputdate(tv, fp); |
193 |
> |
} |
194 |
> |
|
195 |
> |
|
196 |
> |
void |
197 |
> |
printargs(ac, av, fp) /* print arguments to a file */ |
198 |
> |
int ac; |
199 |
> |
char **av; |
200 |
> |
FILE *fp; |
201 |
> |
{ |
202 |
> |
int quote; |
203 |
> |
|
204 |
> |
while (ac-- > 0) { |
205 |
> |
fputword(*av++, fp); |
206 |
> |
fputc(ac ? ' ' : '\n', fp); |
207 |
> |
} |
208 |
> |
} |
209 |
> |
|
210 |
> |
|
211 |
> |
int |
212 |
> |
formatval(r, s) /* get format value (return true if format) */ |
213 |
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register char *r; |
214 |
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register char *s; |
215 |
|
{ |
216 |
< |
s += FMTSTRL; |
216 |
> |
register char *cp = FMTSTR; |
217 |
> |
|
218 |
> |
while (*cp) if (*cp++ != *s++) return(0); |
219 |
|
while (isspace(*s)) s++; |
220 |
< |
if (!*s) { *r = '\0'; return; } |
221 |
< |
while(*s) *r++ = *s++; |
222 |
< |
while (isspace(r[-1])) r--; |
220 |
> |
if (!*s) return(0); |
221 |
> |
if (r == NULL) return(1); |
222 |
> |
do |
223 |
> |
*r++ = *s++; |
224 |
> |
while(*s && !isspace(*s)); |
225 |
|
*r = '\0'; |
226 |
+ |
return(1); |
227 |
|
} |
228 |
|
|
229 |
|
|
230 |
+ |
int |
231 |
+ |
isformat(s) /* is line a format line? */ |
232 |
+ |
char *s; |
233 |
+ |
{ |
234 |
+ |
return(formatval(NULL, s)); |
235 |
+ |
} |
236 |
+ |
|
237 |
+ |
|
238 |
+ |
void |
239 |
|
fputformat(s, fp) /* put out a format value */ |
240 |
|
char *s; |
241 |
|
FILE *fp; |
246 |
|
} |
247 |
|
|
248 |
|
|
249 |
+ |
int |
250 |
|
getheader(fp, f, p) /* get header from file */ |
251 |
|
FILE *fp; |
252 |
|
int (*f)(); |
256 |
|
|
257 |
|
for ( ; ; ) { |
258 |
|
buf[MAXLINE-2] = '\n'; |
259 |
< |
if (fgets(buf, sizeof(buf), fp) == NULL) |
259 |
> |
if (fgets(buf, MAXLINE, fp) == NULL) |
260 |
|
return(-1); |
261 |
|
if (buf[0] == '\n') |
262 |
|
return(0); |
263 |
+ |
#ifdef MSDOS |
264 |
+ |
if (buf[0] == '\r' && buf[1] == '\n') |
265 |
+ |
return(0); |
266 |
+ |
#endif |
267 |
|
if (buf[MAXLINE-2] != '\n') { |
268 |
|
ungetc(buf[MAXLINE-2], fp); /* prevent false end */ |
269 |
|
buf[MAXLINE-2] = '\0'; |
270 |
|
} |
271 |
< |
if (f != NULL) |
272 |
< |
(*f)(buf, p); |
271 |
> |
if (f != NULL && (*f)(buf, p) < 0) |
272 |
> |
return(-1); |
273 |
|
} |
274 |
|
} |
275 |
|
|
280 |
|
}; |
281 |
|
|
282 |
|
|
283 |
< |
static |
283 |
> |
static int |
284 |
|
mycheck(s, cp) /* check a header line for format info. */ |
285 |
|
char *s; |
286 |
|
register struct check *cp; |
287 |
|
{ |
288 |
< |
if (!strncmp(s,FMTSTR,FMTSTRL)) |
126 |
< |
formatval(cp->fs, s); |
127 |
< |
else if (cp->fp != NULL) /* don't copy format info. */ |
288 |
> |
if (!formatval(cp->fs, s) && cp->fp != NULL) |
289 |
|
fputs(s, cp->fp); |
290 |
+ |
return(0); |
291 |
|
} |
292 |
|
|
293 |
|
|
294 |
< |
/* |
295 |
< |
* Copymatch(pat,str) checks pat for wildcards, and |
296 |
< |
* copies str into pat if there is a match (returning true). |
135 |
< |
*/ |
136 |
< |
|
137 |
< |
#ifdef COPYMATCH |
138 |
< |
copymatch(pat, str) |
139 |
< |
char *pat, *str; |
294 |
> |
int |
295 |
> |
globmatch(p, s) /* check for match of s against pattern p */ |
296 |
> |
register char *p, *s; |
297 |
|
{ |
298 |
< |
int docopy = 0; |
142 |
< |
register char *p = pat, *s = str; |
298 |
> |
int setmatch; |
299 |
|
|
300 |
|
do { |
301 |
|
switch (*p) { |
302 |
|
case '?': /* match any character */ |
303 |
|
if (!*s++) |
304 |
|
return(0); |
149 |
– |
docopy++; |
305 |
|
break; |
306 |
|
case '*': /* match any string */ |
307 |
|
while (p[1] == '*') p++; |
308 |
|
do |
309 |
< |
if ( (p[1]=='?' || p[1]==*s) |
310 |
< |
&& copymatch(p+1,s) ) { |
156 |
< |
strcpy(pat, str); |
309 |
> |
if ( (p[1]=='?' || p[1]==*s) && |
310 |
> |
globmatch(p+1,s) ) |
311 |
|
return(1); |
158 |
– |
} |
312 |
|
while (*s++); |
313 |
|
return(0); |
314 |
+ |
case '[': /* character set */ |
315 |
+ |
setmatch = *s == *++p; |
316 |
+ |
if (!*p) |
317 |
+ |
return(0); |
318 |
+ |
while (*++p != ']') { |
319 |
+ |
if (!*p) |
320 |
+ |
return(0); |
321 |
+ |
if (*p == '-') { |
322 |
+ |
setmatch += p[-1] <= *s && *s <= p[1]; |
323 |
+ |
if (!*++p) |
324 |
+ |
break; |
325 |
+ |
} else |
326 |
+ |
setmatch += *p == *s; |
327 |
+ |
} |
328 |
+ |
if (!setmatch) |
329 |
+ |
return(0); |
330 |
+ |
s++; |
331 |
+ |
break; |
332 |
|
case '\\': /* literal next */ |
333 |
|
p++; |
334 |
|
/* fall through */ |
339 |
|
break; |
340 |
|
} |
341 |
|
} while (*p++); |
171 |
– |
if (docopy) |
172 |
– |
strcpy(pat, str); |
342 |
|
return(1); |
343 |
|
} |
175 |
– |
#else |
176 |
– |
#define copymatch(pat, s) (!strcmp(pat, s)) |
177 |
– |
#endif |
344 |
|
|
345 |
|
|
346 |
|
/* |
351 |
|
* if any input format is found (or there is an error), and 0 otherwise. |
352 |
|
* If fmt contains any '*' or '?' characters, then checkheader |
353 |
|
* does wildcard expansion and copies a matching result into fmt. |
354 |
< |
* Be sure that fmt is big enough to hold the match in such cases! |
354 |
> |
* Be sure that fmt is big enough to hold the match in such cases, |
355 |
> |
* and that it is not a static, read-only string! |
356 |
|
* The input header (minus any format lines) is copied to fout |
357 |
|
* if fout is not NULL. |
358 |
|
*/ |
359 |
|
|
360 |
+ |
int |
361 |
|
checkheader(fin, fmt, fout) |
362 |
|
FILE *fin; |
363 |
|
char *fmt; |
364 |
|
FILE *fout; |
365 |
|
{ |
366 |
|
struct check cdat; |
367 |
+ |
register char *cp; |
368 |
|
|
369 |
|
cdat.fp = fout; |
370 |
|
cdat.fs[0] = '\0'; |
371 |
|
if (getheader(fin, mycheck, &cdat) < 0) |
372 |
|
return(-1); |
373 |
< |
if (cdat.fs[0] != '\0') |
374 |
< |
return(copymatch(fmt, cdat.fs) ? 1 : -1); |
375 |
< |
return(0); |
373 |
> |
if (!cdat.fs[0]) |
374 |
> |
return(0); |
375 |
> |
for (cp = fmt; *cp; cp++) /* check for globbing */ |
376 |
> |
if (*cp == '?' | *cp == '*') |
377 |
> |
if (globmatch(fmt, cdat.fs)) { |
378 |
> |
strcpy(fmt, cdat.fs); |
379 |
> |
return(1); |
380 |
> |
} else |
381 |
> |
return(-1); |
382 |
> |
return(strcmp(fmt, cdat.fs) ? -1 : 1); /* literal match */ |
383 |
|
} |