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/*
* AUTHOR
* N. Nielsen
*
* LICENSE
* This software is in the public domain.
*
* The software is provided "as is", without warranty of any kind,
* express or implied, including but not limited to the warranties
* of merchantability, fitness for a particular purpose, and
* noninfringement. In no event shall the author(s) be liable for any
* claim, damages, or other liability, whether in an action of
* contract, tort, or otherwise, arising from, out of, or in connection
* with the software or the use or other dealings in the software.
*
* SUPPORT
* Send bug reports to: <nielsen@memberwebs.com>
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include "common/usuals.h"
#include "common/compat.h"
#include "lib/rlib.h"
#include "lib/rep.h"
#include "common/binfile.h"
#include "common/repfile.h"
int usage();
int help();
/* --------------------------------------------------------------------------- */
int main(int argc, char* argv[])
{
r_context ctx;
int ch = 0;
int r = R_OK;
bool dump = false; /* Do we dump the ops to the display */
bool raw = false; /* Output raw script data or rep file */
memset(&ctx, 0, sizeof(ctx));
/* Enough params? */
if(argc < 2)
return usage();
/* Parse the arguments */
while((ch = getopt(argc, argv, "dprz:")) != -1)
{
switch(ch)
{
/* Output raw script ops to file instead of rep file*/
case 'r':
raw = true;
break;
/* Dump rep script ops to stdout */
case 'd':
dump = true;
break;
/* Set parse mode option in rep file */
case 'p':
ctx.options |= RLIB_MODE_PARSER;
break;
/* Set the buffer size in rep file */
case 'z':
ctx.block = atoi(optarg);
if(ctx.block <= 0x20)
errx(2, "invalid argument. specify block size greater than 32.");
break;
case '?':
default:
return usage();
break;
}
}
argc -= optind;
argv += optind;
/* Okay now compile */
/* Make sure we have a valid amount of file names */
if(argc < 1)
return usage();
/*
* The next param should be the script file
* so read it...
*/
{
FILE* file = fopen(argv[0], "rb");
if(!file)
err(1, "couldn't open rep script file: %s", argv[0]);
r = repLoad(&ctx, file);
fclose(file);
if(r < 0)
exit(errmsg(r, &(ctx.script)));
}
argc--;
argv++;
/* Now if we were asked to dump then output the file */
if(dump)
{
if(argc != 0)
return usage();
rlibDump(&(ctx.script), stdout);
}
/* Otherwise we write it out to a file */
else
{
FILE* file;
char* output = argv[0];
if(argc < 1)
return usage();
/* Opet the output file */
if(!(file = fopen(output, "wb")))
err(1, "couldn't open output file for compiled script: %s\n", output);
/* Write a full rep file if not in raw mode */
if(!raw)
{
bfval val;
BFILE h;
if(!(h = bfStartFile(file)))
errx(1, "couldn't open output file for compiled script: %s\n", output);
repfWriteHeader(h);
bfWriteInt(h, REPVAL_PARSEMODE,
ctx.options & RLIB_MODE_PARSER ? 1 : 0);
if(ctx.block != 0)
bfWriteInt(h, REPVAL_BUFSIZE, ctx.block);
val.id = REPVAL_SCRIPT;
val.len = ctx.script.len;
val.type = BINTYPE_DATA;
bfWriteValue(h, &val, ctx.script.ops);
bfWriteEnd(h);
bfClose(h);
}
else
{
/* Just write out the raw script */
fwrite(ctx.script.ops, 1, ctx.script.len, file);
}
if(ferror(file))
err(1, "couldn't write to file: %s", output);
fclose(file);
}
repFree(&ctx);
return 0;
}
/* usage: ----------------------------------------------------------------
*/
int usage()
{
fprintf(stderr, "usage: repc [-rp] [ -z buffsize ] script output\n");
fprintf(stderr, " repc -d script\n");
return 2;
}
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