/*
- * html.c -- Functions which handle translation between HTML and plain text
* $Id$
+ *
+ * Functions which handle translation between HTML and plain text
+ * Copyright (c) 2000-2001 by Art Cancro and others. This program is
+ * released under the terms of the GNU General Public License.
*/
+#ifdef DLL_EXPORT
+#define IN_LIBCIT
+#endif
+
#include "sysdep.h"
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <signal.h>
-#include <time.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
#include <syslog.h>
#include "citadel.h"
#include "server.h"
+#include "serv_extensions.h"
#include "control.h"
#include "sysdep_decls.h"
#include "support.h"
* do_citaformat = set to 1 to indent newlines with spaces
*/
char *html_to_ascii(char *inputmsg, int screenwidth, int do_citaformat) {
- char inbuf[256];
- char outbuf[256];
+ char inbuf[SIZ];
+ char outbuf[SIZ];
char tag[1024];
int done_reading = 0;
char *inptr;
char *outptr;
- size_t outlen;
+ size_t outptr_buffer_size;
+ size_t output_len = 0;
int i, j, ch, did_out, rb;
int nest = 0; /* Bracket nesting level */
strcpy(inbuf, "");
strcpy(outbuf, "");
- outptr = mallok(strlen(inptr) + 256);
+ outptr_buffer_size = strlen(inptr) + SIZ;
+ outptr = mallok(outptr_buffer_size);
if (outptr == NULL) return NULL;
strcpy(outptr, "");
- outlen = 0;
+ output_len = 0;
do {
/* Fill the input buffer */
if ( (done_reading == 0) && (strlen(inbuf) < 128) ) {
- /* FIX ... genericize this */
ch = *inputmsg++;
if (ch > 0) {
inbuf[strlen(inbuf)+1] = 0;
if (inbuf[i]==9) inbuf[i]=32;
if ((inbuf[i]<32) || (inbuf[i]>126))
strcpy(&inbuf[i], &inbuf[i+1]);
+ }
+ for (i=0; i<strlen(inbuf); ++i) {
while ((inbuf[i]==32)&&(inbuf[i+1]==32))
strcpy(&inbuf[i], &inbuf[i+1]);
}
}
/* Make sure the output buffer is big enough */
- if ((strlen(outptr) + strlen(outbuf) + 128) > outlen) {
- outlen += 128;
- outptr = realloc(outptr, outlen);
+ if ((output_len + strlen(outbuf) + 128)
+ > outptr_buffer_size) {
+ outptr_buffer_size += 128;
+ outptr = realloc(outptr, outptr_buffer_size);
}
/* Output any lines terminated with hard line breaks */
if (strlen(outbuf)>0)
for (i = 0; i<strlen(outbuf); ++i) {
if ( (i<(screenwidth-2)) && (outbuf[i]=='\n')) {
- strncat(outptr, outbuf, i+1);
- strcat(outptr, "\n");
- if (do_citaformat)
- strcat(outptr, " ");
+
+ strncpy(&outptr[output_len],
+ outbuf, i+1);
+ output_len += (i+1);
+
+ if (do_citaformat) {
+ strcpy(&outptr[output_len],
+ " ");
+ ++output_len;
+ }
+
strcpy(outbuf, &outbuf[i+1]);
i = 0;
did_out = 1;
if (outbuf[i]==32) rb = i;
}
if (rb>=0) {
- strncat(outptr, outbuf, rb);
- strcat(outptr, "\n");
- if (do_citaformat)
- strcat(outptr, " ");
+ strncpy(&outptr[output_len], outbuf, rb);
+ output_len += rb;
+ strcpy(&outptr[output_len], "\n");
+ output_len += 1;
+ if (do_citaformat) {
+ strcpy(&outptr[output_len], " ");
+ ++output_len;
+ }
strcpy(outbuf, &outbuf[rb+1]);
} else {
-
- strncat(outptr, outbuf, screenwidth-2);
- strcat(outptr, "\n");
- if (do_citaformat)
- strcat(outptr, " ");
+ strncpy(&outptr[output_len], outbuf,
+ screenwidth-2);
+ output_len += (screenwidth-2);
+ strcpy(&outptr[output_len], "\n");
+ output_len += 1;
+ if (do_citaformat) {
+ strcpy(&outptr[output_len], " ");
+ ++output_len;
+ }
strcpy(outbuf, &outbuf[screenwidth-2]);
}
}
} while (done_reading == 0);
- strcat(outptr, outbuf);
- strcat(outptr, "\n");
+ strcpy(&outptr[output_len], outbuf);
+ output_len += strlen(outbuf);
+
+ /* Strip leading/trailing whitespace. We can't do this with
+ * striplt() because it uses too many strlen()'s
+ */
+ while ((output_len > 0) && (isspace(outptr[0]))) {
+ strcpy(outptr, &outptr[1]);
+ --output_len;
+ }
+ while ((output_len > 0) && (isspace(outptr[output_len-1]))) {
+ outptr[output_len-1] = 0;
+ --output_len;
+ }
+
+ if (outptr[output_len-1] != '\n') {
+ strcat(outptr, "\n");
+ ++output_len;
+ }
return outptr;
}
-