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#include <stdio.h>
char *strchr();
char *strchr();
main()
{
char filename[1024];
char xsect[1024];
char ysect[1024];
int x0, x1, y0, y1;
int xsection = 0;
int ysection = 0;
char extn[1024];
int exti;
char tail[1024];
char cattail[1024];
char line[1024];
char *l;
char *k;
int i, n;
int length = 0;
while ( l = gets(line) ) {
i = 0;
filename[i] = '\0';
printf("line : %s\n", line);
extn[0] = '\0';
exti = -1;
tail[0] = '\0';
cattail[0] = '\0';
xsection = 0;
ysection = 0;
while ( *l ) {
if ( tail[0] ) {
strcat(cattail, "[");
strcat(cattail, tail);
strcat(cattail, "]");
}
tail[0] = '\0';
/* Copy characters to the filename until a
section starts.
*/
while ( *l && *l != '[' ) filename[i++] = *l++;
if ( !*l ) break;
/* Record where the section begins.
Translate quoted "]" chars to '\001'
*/
k = l;
while ( *l && *l != ']' ) {
if ( *l == '\'' || *l == '"' ) {
char q = *l;
l++;
while ( *l && *l != q ) {
if ( *l == ']' ) *l = '\001';
l++;
}
}
l++;
}
if ( *l != ']' ) fprintf(stderr, "unterminated section\n");
l++;
/* Look for sections
*/
length = l - k;
/* IMIO Image Section ?
*/
if ( sscanf(k, "[%[-+0-9:*],%[-+0-9:*]]%n", xsect, ysect, &n) == 2 && n == length ) {
if ( !strcmp(xsect, "*") ) xsection = 1;
else
if ( !strcmp(xsect, "-*") ) xsection = -1;
else
if ( sscanf(xsect, "%d:%d", &x0, &x1) == 2 )
xsection = 2;
else
goto tryagain;
if ( !strcmp(ysect, "*") ) ysection = 1;
else
if ( !strcmp(ysect, "-*") ) ysection = -1;
else
if ( sscanf(ysect, "%d:%d", &y0, &y1) == 2 )
ysection = 2;
else
goto tryagain;
continue;
}
/* The section looked a little like an image section
but its didn't work out.
*/
tryagain:
if ( sscanf(k, "[%d]%n" , &exti, &n) == 1 /* exti */
&& n == length )
continue;
exti = -1;
if ( sscanf(k, "[%[^]\"',=+-]]%n" , extn, &n) == 1 /* extn */
&& n == length )
continue;
extn[0] = '\0';
if ( sscanf(k, "[%[^]\"',=+-],%d]%n" , extn, &exti, &n) == 2 /* extn, exti */
&& n == length )
continue;
exti = -1;
extn[0] = '\0';
if ( sscanf(k, "[%[^]\"',=+-],%d, %[^]]]%n",extn, &exti, tail, &n)==3 /* extn, exti, tail */
&& n == length )
continue;
exti = -1;
extn[0] = '\0';
tail[0] = '\0';
if ( sscanf(k, "[%d,%[^]]]%n" , &exti, tail, &n) == 2 /* exti, tail */
&& n == length )
continue;
exti = -1;
tail[0] = '\0';
if ( sscanf(k, "[%[^]\"',=+-],%[^]]]%n", extn, tail, &n) == 2 /* extn, tail */
&& n == length )
continue;
extn[0] = '\0';
tail[0] = '\0';
if ( sscanf(k, "[%[^]]]%n" , tail, &n) == 1 /* tail */
&& n == length )
continue;
tail[0] = '\0';
fprintf(stderr, "unparsable section\n");
}
if ( tail[0] ) {
strcat(cattail, "[");
strcat(cattail, tail);
strcat(cattail, "]");
}
filename[i] = '\0';
/* Restore the "]" chars that might be lurking in
the tail.
*/
{
char *t = cattail;
while ( *t ) {
if ( *t == '\001' ) *t = ']';
t++;
}
}
printf("filenname: %s\n", filename);
switch ( xsection ) {
case 0: printf(" no xsection\n"); break;
case 1: printf(" xsection = *\n"); break;
case -1: printf(" xsection = -*\n"); break;
case 2: printf(" xsection = [%d:%d]\n", x0, x1); break;
}
switch ( ysection ) {
case 0: printf(" no ysection\n"); break;
case 1: printf(" ysection = *\n"); break;
case -1: printf(" ysection = -*\n"); break;
case 2: printf(" ysection = [%d:%d]\n", y0, y1); break;
}
printf(" extn = [%s, %d]\n", extn, exti);
printf(" tail = %s\n", cattail);
}
}
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