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/*
* Copyright (C) 2000-2005 Erik Edelmann <Erik.Edelmann@iki.fi>
* Copyright (C) 2015 Jason Graham <jason.graham@jhuapl.edu>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation;
* either version 2 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "errormesg.h"
#include "global.h"
#include "xmalloc.h"
/* Copy src to dest, converting uppercase letters to lowercase. */
void strtolower(char *dest, const char *src)
{
int i;
for (i = 0; src[i]; i++)
dest[i] = tolower(src[i]);
}
/* replace the suffix (everything after the last '.'), including the '.', with
* 'new_suffix'. If there is no suffix in 'filename', concatenate 'new_suffix'
* to 'filename'. */
char *replace_suffix(const char *filename, const char *new_suffix)
{
char *rs;
int fl, n, sl;
sl = strlen(new_suffix);
/* Search for last '.' in filename */
fl = n = strlen(filename);
while (filename[n] != '.' && n >= 0) n--;
if (n == -1) {
/* if there was no '.' */
rs = (char *)xmalloc ((fl+sl+2)*sizeof(char));
strcpy(rs, filename);
strcat(rs, new_suffix);
} else {
rs = (char *)xmalloc ((n+sl+2)*sizeof(char));
strncpy(rs, filename, n);
rs[n] = '\0';
strcat(rs, new_suffix);
}
return rs;
}
/* If filename has no path, append 'path' to the beginning of the filename,
* else replace the existing path if 'mirror=false' (everything before the first '/') with 'path' or
* prepend 'path' in the case that 'mirror=true'
*/
char *set_path(const char *filename, const char *path, const bool mirror)
{
char *rs;
int fl, n, pl, nl;
pl = strlen(path);
fl = n = strlen(filename);
if( !mirror )
while (filename[n] != '/' && n >= 0) n--;
else
n=-1;
nl = fl - n - 1;
if (n == -1) {
/* if there was no '/' or 'mirror=true' */
rs = (char *)xmalloc((fl+pl+2)*sizeof(char));
strcpy(rs, path);
strcat(rs, filename);
} else {
rs = (char *)xmalloc((nl+pl+2)*sizeof(char));
strcpy(rs, path);
strcat(rs, &filename[n+1]);
}
return rs;
}
/* Create and return a copy of s with all citationmarks (" and ') removed. */
char *remove_citation(const char *s)
{
char *d;
int i, j;
d = (char *)xmalloc((strlen(s)+1)*sizeof(char));
for (i = j = 0; s[i]; i++)
if (s[i] != '"' && s[i] != '\'') d[j++] = s[i];
d[j] = '\0';
return d;
}
char *expand_rule(const char *r, const char *srcfile)
{
char *rule;
int i, j, k, rlen, slen;
rule = (char *)xmalloc(RULE_LENGTH*sizeof(char));
rlen = strlen(r);
/* set slen = length of srcfile without suffix */
for (slen = strlen(srcfile); slen > 0 && srcfile[slen] != '.'; slen--);
/* If there was no suffix, set slen = strlen(srcfile) */
if (slen == 0) slen = strlen(srcfile);
rule[0] = '\t';
k = 1;
for (i = 0; i < rlen; i++) {
if (r[i] != '%')
rule[k++] = r[i];
else {
i++;
switch (r[i]) {
case 'f':
for (j = 0; j < slen; j++) rule[k++] = srcfile[j];
break;
case '%':
rule[k++] = '%';
break;
default:
warning("Unknown modifier '%%%c' in rule '%s'", r[i], r);
break;
}
}
}
rule[k] = '\0';
return rule;
}
/* Open 'fname' for reading; first look for 'fname' in the current working
* directory, and, if not found, in the list of paths in 'path'. Return NULL if
* 'fname' isn't found anywhere. */
FILE *open_src_file(const char *fname, const List *path)
{
FILE *fd;
char *fn;
const List *h;
fd = fopen(fname, "r");
if (fd == NULL && path) {
for (h = path; h && fd == NULL; h = h->next) {
fn = xmalloc(strlen(h->data) + strlen(fname) + 2);
strcpy(fn, (char *)h->data);
strcat(fn, "/");
strcat(fn, fname);
fd = fopen(fn, "r");
free(fn);
}
}
return fd;
}
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