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/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1994-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
# include <stdio.h>
# include <string.h>
int main(int argc, char* argv[]) {
FILE *templ;
FILE *target;
unsigned char buffer[81];
unsigned char *find, *replace;
int matchcount = 0;
int ch;
int len;
buffer[0] = '\0';
if (argc != 5) {
fprintf(stderr, "usuage: replace template.js searchstring replacestring target.js \n");
return 1;
}
templ = fopen(argv[1], "r");
if (!templ) {
fprintf(stderr, "Cannot open template script %s\n", argv[1]);
return 2;
}
find = (unsigned char*) argv[2];
replace = (unsigned char*) argv[3];
target = fopen(argv[4], "w");
if (!target) {
fclose(templ);
fprintf(stderr, "Cannot write to target script %s\n", argv[4]);
return 3;
}
for (len = 0; find[len]!='\0'; len++);
if (len > 80) {
fprintf(stderr, "length of searchstring exceeds 80 chars");
return 4;
}
/* get a char from templ */
while ((int)(ch=fgetc(templ)) != EOF) {
if ((unsigned char)ch == find[matchcount]) {
/* if it matches find[matchcount],
* then store one more char in buffer,
* increase match count, and checks if
* the whole word has been found */
buffer[matchcount] = (unsigned char) ch;
buffer[++matchcount] = '\0';
if (matchcount == len) {
matchcount = 0;
fprintf(target, "%s", replace);
}
} else {
/* reset matchcount, flush buffer */
if (matchcount > 0) {
fprintf(target, "%s", buffer);
matchcount = 0;
}
fputc(ch, target);
}
}
fclose(templ);
fclose(target);
return 0;
}
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