400 lines
12 KiB
C
400 lines
12 KiB
C
/*
|
|
|
|
Copyright (c) 1987, 1988 X Consortium
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining
|
|
a copy of this software and associated documentation files (the
|
|
"Software"), to deal in the Software without restriction, including
|
|
without limitation the rights to use, copy, modify, merge, publish,
|
|
distribute, sublicense, and/or sell copies of the Software, and to
|
|
permit persons to whom the Software is furnished to do so, subject to
|
|
the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included
|
|
in all copies or substantial portions of the Software.
|
|
|
|
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 X CONSORTIUM 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.
|
|
|
|
Except as contained in this notice, the name of the X Consortium shall
|
|
not be used in advertising or otherwise to promote the sale, use or
|
|
other dealings in this Software without prior written authorization
|
|
from the X Consortium.
|
|
|
|
*/
|
|
|
|
|
|
#include "globals.h"
|
|
#include "vendor.h"
|
|
|
|
/* Map <CR> and control-M to goto beginning of file. */
|
|
|
|
#define SEARCHARGS 10
|
|
|
|
static FILE *DoManualSearch(ManpageGlobals *man_globals, char *string);
|
|
static int BEntrySearch(char *string, char **first, int number);
|
|
|
|
/* Function Name: MakeSearchWidget
|
|
* Description: This Function Creates the Search Widget.
|
|
* Arguments: man_globals - the pseudo globals for this manpage.
|
|
* w - the widgets parent
|
|
* Returns: the search widget.
|
|
*/
|
|
|
|
void
|
|
MakeSearchWidget(ManpageGlobals * man_globals, Widget parent)
|
|
{
|
|
Widget dialog, command, text, cancel;
|
|
Arg arglist[2];
|
|
Cardinal num_args = 0;
|
|
|
|
XtSetArg(arglist[0], XtNtransientFor, parent);
|
|
man_globals->search_widget = XtCreatePopupShell(SEARCHNAME,
|
|
transientShellWidgetClass,
|
|
parent, arglist, 1);
|
|
|
|
if (resources.clear_search_string) {
|
|
XtSetArg(arglist[0], XtNvalue, "");
|
|
num_args++;
|
|
}
|
|
|
|
dialog = XtCreateManagedWidget(DIALOG, dialogWidgetClass,
|
|
man_globals->search_widget,
|
|
arglist, num_args);
|
|
|
|
if ((text = XtNameToWidget(dialog, "value")) == (Widget) NULL)
|
|
PopupWarning(NULL, "Could not find text widget in MakeSearchWidget.");
|
|
else
|
|
XtSetKeyboardFocus(dialog, text);
|
|
|
|
XawDialogAddButton(dialog, MANUALSEARCH, NULL, NULL);
|
|
XawDialogAddButton(dialog, APROPOSSEARCH, NULL, NULL);
|
|
XawDialogAddButton(dialog, CANCEL, NULL, NULL);
|
|
|
|
/*
|
|
* This is a bit gross, but it get the cancel button underneath the
|
|
* others, and forms them up to the right size..
|
|
*/
|
|
|
|
if (((command = XtNameToWidget(dialog, MANUALSEARCH)) == (Widget) NULL) ||
|
|
((cancel = XtNameToWidget(dialog, CANCEL)) == (Widget) NULL))
|
|
PopupWarning(NULL,
|
|
"Could not find manual search widget in MakeSearchWidget.");
|
|
else {
|
|
static const char *half_size[] = {
|
|
MANUALSEARCH, APROPOSSEARCH, NULL
|
|
};
|
|
static const char *full_size[] = {
|
|
"label", "value", CANCEL, NULL
|
|
};
|
|
|
|
num_args = 0;
|
|
XtSetArg(arglist[num_args], XtNfromVert, command);
|
|
num_args++;
|
|
XtSetArg(arglist[num_args], XtNfromHoriz, NULL);
|
|
num_args++;
|
|
XtSetValues(cancel, arglist, num_args);
|
|
FormUpWidgets(dialog, full_size, half_size);
|
|
}
|
|
|
|
}
|
|
|
|
/* Function Name: SearchString
|
|
* Description: Returns the search string.
|
|
* Arguments: man_globals - the globals.
|
|
* Returns: the search string.
|
|
*/
|
|
|
|
static char *
|
|
SearchString(ManpageGlobals * man_globals)
|
|
{
|
|
Widget dialog;
|
|
|
|
dialog = XtNameToWidget(man_globals->search_widget, DIALOG);
|
|
if (dialog != NULL)
|
|
return (XawDialogGetValueString(dialog));
|
|
|
|
PopupWarning(man_globals,
|
|
"Could not get the search string, no search will be performed.");
|
|
return (NULL);
|
|
}
|
|
|
|
|
|
/* Function Name: DoSearch
|
|
* Description: This function performs a search for a man page or apropos
|
|
* search upon search string.
|
|
* Arguments: man_globals - the pseudo globals for this manpage.
|
|
* type - the type of search.
|
|
* Returns: none.
|
|
*/
|
|
|
|
#define LOOKLINES 6
|
|
|
|
/*
|
|
* Manual searches look through the list of manual pages for the right one
|
|
* with a binary search.
|
|
*
|
|
* Apropos searches still exec man -k.
|
|
*
|
|
* If nothing is found then I send a warning message to the user, and do
|
|
* nothing.
|
|
*/
|
|
|
|
FILE *
|
|
DoSearch(ManpageGlobals * man_globals, int type)
|
|
{
|
|
char cmdbuf[BUFSIZ], *mantmp, *manpath;
|
|
char tmp[BUFSIZ], path[BUFSIZ];
|
|
char string_buf[BUFSIZ], cmp_str[BUFSIZ], error_buf[BUFSIZ];
|
|
char *search_string = SearchString(man_globals);
|
|
FILE *file;
|
|
int fd;
|
|
int count;
|
|
Boolean flag;
|
|
|
|
if (search_string == NULL)
|
|
return (NULL);
|
|
|
|
/* If the string is empty or starts with a space then do not search */
|
|
|
|
if (streq(search_string, "")) {
|
|
PopupWarning(man_globals, "Search string is empty.");
|
|
return (NULL);
|
|
}
|
|
|
|
if (strlen(search_string) >= BUFSIZ) {
|
|
PopupWarning(man_globals, "Search string too long.");
|
|
return (NULL);
|
|
}
|
|
if (search_string[0] == ' ') {
|
|
PopupWarning(man_globals, "First character cannot be a space.");
|
|
return (NULL);
|
|
}
|
|
|
|
if (type == APROPOS) {
|
|
char label[BUFSIZ];
|
|
|
|
strlcpy(tmp, MANTEMP, sizeof(tmp)); /* get a temp file. */
|
|
fd = mkstemp(tmp);
|
|
if (fd < 0) {
|
|
PopupWarning(man_globals, "Cant create temp file");
|
|
return NULL;
|
|
}
|
|
mantmp = tmp;
|
|
|
|
manpath = getenv("MANPATH");
|
|
if (manpath == NULL || streq(manpath, "")) {
|
|
#ifdef MANCONF
|
|
if (!ReadManConfig(path))
|
|
#endif
|
|
{
|
|
strlcpy(path, SYSMANPATH, sizeof(path));
|
|
#ifdef LOCALMANPATH
|
|
strlcat(path, ":", sizeof(path));
|
|
strlcat(path, LOCALMANPATH, sizeof(path));
|
|
#endif
|
|
}
|
|
}
|
|
else {
|
|
strlcpy(path, manpath, sizeof(path));
|
|
}
|
|
|
|
snprintf(label, sizeof(label),
|
|
"Results of apropos search on: %s", search_string);
|
|
|
|
#ifdef NO_MANPATH_SUPPORT /* not quite correct, but the best I can do. */
|
|
snprintf(cmdbuf, sizeof(cmdbuf), APROPOS_FORMAT, search_string, mantmp);
|
|
#else
|
|
snprintf(cmdbuf, sizeof(cmdbuf), APROPOS_FORMAT, path, search_string,
|
|
mantmp);
|
|
#endif
|
|
|
|
if (system(cmdbuf) != 0) { /* execute search. */
|
|
snprintf(error_buf, sizeof(error_buf),
|
|
"Something went wrong trying to run %s\n", cmdbuf);
|
|
PopupWarning(man_globals, error_buf);
|
|
}
|
|
|
|
if ((file = fdopen(fd, "r")) == NULL)
|
|
PrintError("lost temp file? out of temp space?");
|
|
|
|
/*
|
|
* Since we keep the FD open we can remove the file safely, this
|
|
* will keep extra files out of /tmp.
|
|
*/
|
|
|
|
remove(mantmp);
|
|
|
|
snprintf(string_buf, sizeof(string_buf), "%s: nothing appropriate",
|
|
search_string);
|
|
|
|
/*
|
|
* Check first LOOKLINES lines for "nothing appropriate".
|
|
*/
|
|
|
|
count = 0;
|
|
flag = FALSE;
|
|
while ((fgets(cmp_str, BUFSIZ, file) != NULL) && (count < LOOKLINES)) {
|
|
size_t len = strlen(cmp_str);
|
|
|
|
if (len > 0 && cmp_str[len - 1] == '\n') /* strip off the '\n' */
|
|
cmp_str[len - 1] = '\0';
|
|
|
|
if (streq(cmp_str, string_buf)) {
|
|
flag = TRUE;
|
|
break;
|
|
}
|
|
count++;
|
|
}
|
|
|
|
/*
|
|
* If the file is less than this number of lines then assume that there is
|
|
* nothing appropriate found. This does not confuse the apropos filter.
|
|
*/
|
|
|
|
if (flag) {
|
|
fclose(file);
|
|
file = NULL;
|
|
ChangeLabel(man_globals->label, string_buf);
|
|
return (NULL);
|
|
}
|
|
|
|
snprintf(man_globals->manpage_title, sizeof(man_globals->manpage_title),
|
|
"%s", label);
|
|
ChangeLabel(man_globals->label, label);
|
|
fseek(file, 0L, SEEK_SET); /* reset file to point at top. */
|
|
}
|
|
else { /* MANUAL SEARCH */
|
|
file = DoManualSearch(man_globals, search_string);
|
|
if (file == NULL) {
|
|
snprintf(string_buf, sizeof(string_buf), "No manual entry for %s.",
|
|
search_string);
|
|
ChangeLabel(man_globals->label, string_buf);
|
|
if (man_globals->label == NULL)
|
|
PopupWarning(man_globals, string_buf);
|
|
return (NULL);
|
|
}
|
|
}
|
|
|
|
if (resources.clear_search_string) {
|
|
Arg arglist[1];
|
|
Widget dialog;
|
|
|
|
dialog = XtNameToWidget(man_globals->search_widget, DIALOG);
|
|
if (dialog == NULL)
|
|
PopupWarning(man_globals, "Could not clear the search string.");
|
|
|
|
XtSetArg(arglist[0], XtNvalue, "");
|
|
XtSetValues(dialog, arglist, (Cardinal) 1);
|
|
}
|
|
|
|
return (file);
|
|
}
|
|
|
|
/* Function Name: DoManualSearch
|
|
* Description: performs a manual search.
|
|
* Arguments: man_globals - the manual page specific globals.
|
|
* Returns: the filename of the man page.
|
|
*/
|
|
|
|
#define NO_ENTRY -100
|
|
|
|
static FILE *
|
|
DoManualSearch(ManpageGlobals * man_globals, char *string)
|
|
{
|
|
int e_num = NO_ENTRY;
|
|
int i;
|
|
|
|
/* search current section first. */
|
|
|
|
i = man_globals->current_directory;
|
|
e_num = BEntrySearch(string, manual[i].entries, manual[i].nentries);
|
|
|
|
/* search other sections. */
|
|
|
|
if (e_num == NO_ENTRY) {
|
|
i = 0; /* At the exit of the loop i needs to
|
|
be the one we used. */
|
|
while (TRUE) {
|
|
if (i == man_globals->current_directory)
|
|
if (++i >= sections)
|
|
return (NULL);
|
|
e_num = BEntrySearch(string, manual[i].entries, manual[i].nentries);
|
|
if (e_num != NO_ENTRY)
|
|
break;
|
|
if (++i >= sections)
|
|
return (NULL);
|
|
}
|
|
|
|
/*
|
|
* Manual page found in some other section, unhighlight the current one.
|
|
*/
|
|
if (man_globals->manpagewidgets.box != NULL)
|
|
XawListUnhighlight(man_globals->manpagewidgets.
|
|
box[man_globals->current_directory]);
|
|
}
|
|
else {
|
|
/*
|
|
* Highlight the element we are searching for if it is in the directory
|
|
* listing currently being shown.
|
|
*/
|
|
if (man_globals->manpagewidgets.box != NULL)
|
|
XawListHighlight(man_globals->manpagewidgets.box[i], e_num);
|
|
}
|
|
return (FindManualFile(man_globals, i, e_num));
|
|
}
|
|
|
|
/* Function Name: BEntrySearch
|
|
* Description: binary search through entries.
|
|
* Arguments: string - the string to match.
|
|
* first - the first entry in the list.
|
|
* number - the number of entries.
|
|
* Returns: a pointer to the entry found.
|
|
*/
|
|
|
|
static int
|
|
BEntrySearch(char *string, char **first, int number)
|
|
{
|
|
int check, cmp, len_cmp, global_number;
|
|
char *head, *tail;
|
|
|
|
global_number = 0;
|
|
while (TRUE) {
|
|
|
|
if (number == 0) {
|
|
return (NO_ENTRY); /* didn't find it. */
|
|
}
|
|
|
|
check = number / 2;
|
|
|
|
head = strrchr(first[global_number + check], '/');
|
|
if (head == NULL)
|
|
PrintError("index failure in BEntrySearch");
|
|
head++;
|
|
|
|
tail = strrchr(head, '.');
|
|
if (tail == NULL)
|
|
/* not an error, some systems (e.g. sgi) have only a .z suffix */
|
|
tail = head + strlen(head);
|
|
|
|
cmp = strncmp(string, head, (tail - head));
|
|
len_cmp = strlen(string) - (int) (tail - head);
|
|
|
|
if (cmp == 0 && len_cmp == 0) {
|
|
return (global_number + check);
|
|
}
|
|
else if (cmp < 0 || ((cmp == 0) && (len_cmp < 0)))
|
|
number = check;
|
|
else { /* cmp > 0 || ((cmp == 0) && (len_cmp > 0)) */
|
|
|
|
global_number += (check + 1);
|
|
number -= (check + 1);
|
|
}
|
|
}
|
|
}
|