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#include "HTUtils.h"
#include "tcp.h"
#include "HTParse.h"
#include "HTAlert.h"
#include "LYCurses.h"
#include "LYSignal.h"
#include "LYUtils.h"
#include "LYClean.h"
#include "LYGlobalDefs.h"
#include "LYEdit.h"
#include "LYStrings.h"
#include "LYSystem.h"
#ifdef VMS
#include <unixio.h>
#include "HTVMSUtils.h"
#endif /* VMS */
#ifdef DOSPATH
#include "HTDOS.h"
#endif
#include "LYLeaks.h"
#define FREE(x) if (x) {free(x); x = NULL;}
/*
* In edit mode invoke either emacs, vi, pico, jove, jed sedt or the
* default editor to display and edit the current file.
* For emacs, vi, pico, jove and jed, Lynx will open the file to the
* same line that the screen cursor is on when editing is invoked.
* Returns FALSE if file is uneditable.
*/
PUBLIC int edit_current_file ARGS3(
char *, newfile,
int, cur,
int, lineno)
{
char command[512];
char *filename = NULL;
char *colon, *number_sign;
FILE *fp;
/*
* If its a remote file then we can't edit it.
*/
if (!LYisLocalFile(newfile)) {
_statusline(CANNOT_EDIT_REMOTE_FILES);
sleep(MessageSecs);
return FALSE;
}
/*
* If there's a fragment, trim it. - FM
*/
number_sign = strchr(newfile, '#');
if (number_sign)
*number_sign = '\0';
/*
* On Unix, first try to open it as a completely referenced file,
* then via the path alone.
*
* On VMS, only try the path.
*/
#if !defined (VMS) && !defined (DOSPATH)
colon = strchr(newfile, ':');
StrAllocCopy(filename, (colon + 1));
HTUnEscape(filename);
if ((fp = fopen(filename, "r")) == NULL) {
FREE(filename);
#endif /* !VMS */
filename = HTParse(newfile, "", PARSE_PATH+PARSE_PUNCTUATION);
HTUnEscape(filename);
#ifdef DOSPATH
if (strlen(filename)>1) filename++;
#endif
#ifdef DOSPATH
if ((fp = fopen(HTDOS_name(filename),"r")) == NULL) {
#else
#ifdef VMS
if ((fp = fopen(HTVMS_name("", filename), "r")) == NULL) {
#else
if ((fp = fopen(filename, "r")) == NULL) {
#endif /* VMS */
#endif /* DOSPATH */
HTAlert(COULD_NOT_ACCESS_FILE);
FREE(filename);
goto failure;
}
#if !defined (VMS) && !defined (DOSPATH)
}
#endif /* !VMS */
fclose(fp);
#if defined(VMS) || defined(CANT_EDIT_UNWRITABLE_FILES)
/*
* Don't allow editing if user lacks append access.
*/
#ifdef DOSPATH
if ((fp = fopen(HTDOS_name("", filename), "a")) == NULL) {
#else
#ifdef VMS
if ((fp = fopen(HTVMS_name("", filename), "a")) == NULL) {
#else
if ((fp = fopen(filename, "a")) == NULL) {
#endif /* VMS */
#endif /* DOSPATH */
_statusline(NOAUTH_TO_EDIT_FILE);
sleep(MessageSecs);
goto failure;
}
fclose(fp);
#endif /* VMS || CANT_EDIT_UNWRITABLE_FILES */
/*
* Make sure cur is at least zero. - FM
*/
if (cur < 0) {
cur = 0;
}
/*
* Set up the command for the editor. - FM
*/
#ifdef VMS
if ((strstr(editor, "sedt") || strstr(editor, "SEDT")) &&
((lineno - 1) + (nlinks ? links[cur].ly : 0)) > 0) {
sprintf(command, "%s %s -%d",
editor,
HTVMS_name("", filename),
((lineno - 1) + (nlinks ? links[cur].ly : 0)));
} else {
sprintf(command, "%s %s", editor, HTVMS_name("", filename));
}
#else
if (strstr(editor, "emacs") || strstr(editor, "vi") ||
strstr(editor, "pico") || strstr(editor, "jove") ||
strstr(editor, "jed"))
sprintf(command, "%s +%d \"%s\"",
editor,
(lineno + (nlinks ? links[cur].ly : 0)),
#ifdef DOSPATH
HTDOS_name(filename));
#else
filename);
#endif /* DOSPATH */
else
#ifdef __DJGPP__
sprintf(command, "%s %s", editor, HTDOS_name(filename));
#else
sprintf(command, "%s \"%s\"", editor,
#ifdef DOSPATH
HTDOS_name(filename));
#else
filename);
#endif /* DOSPATH */
#endif /* __DJGPP__ */
#endif /* VMS */
if (TRACE) {
fprintf(stderr, "LYEdit: %s\n", command);
sleep(MessageSecs);
}
FREE(filename);
/*
* Invoke the editor. - FM
*/
fflush(stderr);
fflush(stdout);
stop_curses();
system(command);
fflush(stdout);
fflush(stderr);
start_curses();
/*
* Restore the fragment if there was one. - FM
*/
if (number_sign)
*number_sign = '#';
return TRUE;
failure:
/*
* Restore the fragment if there was one. - FM
*/
if (number_sign)
*number_sign = '#';
return FALSE;
}
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