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/*************************************************
* xfpt - Simple ASCII->Docbook processor *
*************************************************/
/* Copyright (c) University of Cambridge, 2007 */
/* Written by Philip Hazel. */
/* This module contains the main program and initialization functions. */
#include "xfpt.h"
/*************************************************
* Static variables *
*************************************************/
static uschar *xfpt_filename = NULL;
static uschar *out_filename = NULL;
/*************************************************
* Usage *
*************************************************/
static void
usage(void)
{
(void)fprintf(stderr,
"Usage: xfpt [-help]\n"
" [-o <output-file>]\n"
" [-S <share-directory>]\n"
" [-v]\n"
" [input-file]\n");
}
/*************************************************
* Command line argument decoding *
*************************************************/
/* Arguments: as for main()
Returns: TRUE if OK
*/
static BOOL
xfpt_decode_arg(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
{
uschar *arg = US argv[i];
if (*arg != '-') break;
if (Ustrcmp(arg, "-o") == 0)
{
out_filename = US argv[++i];
if (out_filename == NULL) { usage(); return FALSE; }
}
else if (Ustrcmp(arg, "-S") == 0)
{
xfpt_share = US argv[++i];
if (xfpt_share == NULL) { usage(); return FALSE; }
}
else if (Ustrcmp(arg, "-help") == 0 || Ustrcmp(arg, "--help") == 0)
{
usage();
return FALSE;
}
else if (Ustrcmp(arg, "-v") == 0)
{
(void)fprintf(stdout, "xpft version %s\n", xfpt_version);
exit(0);
}
else
{
(void)fprintf(stderr, "xfpt: unknown option \"%s\"\n", arg);
usage();
return FALSE;
}
}
/* Require there to be either 0 or 1 command line argument left. */
if (argc > i + 1)
{
usage();
return FALSE;
}
/* This will set NULL if there is no file name. If there is a file name and no
output file is specified, default it to the input name with a .xml extension. */
xfpt_filename = US argv[i];
if (xfpt_filename != NULL && out_filename == NULL)
{
uschar *p;
int len = Ustrlen(xfpt_filename);
out_filename = misc_malloc(len + 5);
Ustrcpy(out_filename, xfpt_filename);
if ((p = Ustrrchr(out_filename, '.')) != NULL) len = p - out_filename;
Ustrcpy(out_filename + len, ".xml");
}
return TRUE;
}
/*************************************************
* Entry point and main program *
*************************************************/
int
main(int argc, char **argv)
{
uschar *p, *q;
if (!xfpt_decode_arg(argc, argv)) return EXIT_FAILURE;
inbuffer = misc_malloc(INBUFFSIZE);
parabuffer = misc_malloc(PARABUFFSIZE);
/* Set up the first file */
istack = misc_malloc(sizeof(istackstr));
istack->prev = NULL;
istack->linenumber = 0;
if (xfpt_filename == NULL)
{
istack->file = stdin;
Ustrcpy(istack->filename, US"(stdin)");
}
else
{
Ustrcpy(istack->filename, xfpt_filename);
istack->file = Ufopen(xfpt_filename, "rb");
if (istack->file == NULL)
error(0, istack->filename, strerror(errno)); /* Hard */
}
/* Set up the output file. */
if (out_filename == NULL || Ustrcmp(out_filename, "-") == 0)
{
outfile = stdout;
}
else
{
outfile = Ufopen(out_filename, "wb");
if (outfile == NULL)
error(0, out_filename, strerror(errno)); /* Hard error */
}
/* Process the input */
while ((p = read_nextline()) != NULL)
{
if (*p == '.') dot_process(p); else switch (literal_state)
{
case LITERAL_LAYOUT:
para_process(p);
break;
case LITERAL_TEXT:
literal_process(p);
break;
case LITERAL_XML:
(void)fprintf(outfile, "%s", CS p);
break;
default:
case LITERAL_OFF:
q = p;
while (isspace(*q)) q++;
if (*q != 0)
{
p = read_paragraph(p);
(void)fprintf(outfile, "<");
para_process(US"para&xfpt.rev;");
(void)fprintf(outfile, ">\n");
para_process(p);
(void)fprintf(outfile, "</para>\n");
}
break;
}
}
/* Empty the pushed stack, close the output, and we are done */
while (pushed != 0)
{
para_process(pushed->string);
(void)fprintf(outfile, "\n");
pushed = pushed->next;
}
(void)fclose(outfile);
return return_code;
}
/* End of xfpt.c */
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