void
display(void)
{
char *subsystem; /* OGS subsystem name */
char *book; /* OGS book name */
char file[PATHLEN + 1]; /* file name */
char function[PATLEN + 1]; /* function name */
char linenum[NUMLEN + 1]; /* line number */
int screenline; /* screen line number */
int width; /* source line display width */
int i;
char *s;
(void) erase();
/* if there are no references */
if (totallines == 0) {
if (*lastmsg != '\0') {
(void) addstr(lastmsg); /* redisplay any message */
} else {
(void) printw("Cscope version %d%s", FILEVERSION,
FIXVERSION);
(void) move(0, COLS - (int)sizeof (helpstring));
(void) addstr(helpstring);
}
} else { /* display the pattern */
if (changing == YES) {
(void) printw("Change \"%s\" to \"%s\"",
pattern, newpat);
} else {
(void) printw("%c%s: %s",
toupper(fields[field].text2[0]),
fields[field].text2 + 1, pattern);
}
/* display the cscope invocation nesting depth */
if (cscopedepth > 1) {
(void) move(0, COLS - (int)sizeof (depthstring) - 2);
(void) addstr(depthstring);
(void) printw("%d", cscopedepth);
}
/* display the column headings */
(void) move(2, selectlen + 1);
if (ogs == YES && field != FILENAME) {
(void) printw("%-*s ", subsystemlen, "Subsystem");
(void) printw("%-*s ", booklen, "Book");
}
if (dispcomponents > 0) {
(void) printw("%-*s ", filelen, "File");
}
if (displayfcn()) {
(void) printw("%-*s ", fcnlen, "Function");
}
if (field != FILENAME) {
(void) addstr("Line");
}
(void) addch('\n');
/* if at end of file go back to beginning */
if (nextline > totallines) {
seekline(1);
}
/* calculate the source text column */
width = COLS - selectlen - numlen - 2;
if (ogs == YES) {
width -= subsystemlen + booklen + 2;
}
if (dispcomponents > 0) {
width -= filelen + 1;
}
if (displayfcn()) {
width -= fcnlen + 1;
}
/*
* until the max references have been displayed or
* there is no more room
*/
topline = nextline;
for (disprefs = 0, screenline = REFLINE;
disprefs < mdisprefs && screenline <= lastdispline;
++disprefs, ++screenline) {
/* read the reference line */
if (fscanf(refsfound, "%s%s%s %[^\n]", file, function,
linenum, yytext) < 4) {
break;
}
++nextline;
displine[disprefs] = screenline;
/* if no mouse, display the selection number */
if (!mouse) {
(void) printw("%*d", selectlen, disprefs + 1);
}
/* display any change mark */
if (changing == YES &&
change[topline + disprefs - 1] == YES) {
(void) addch('>');
} else {
(void) addch(' ');
}
/* display the file name */
if (field == FILENAME) {
(void) printw("%-.*s\n", COLS - 3, file);
continue;
}
/* if OGS, display the subsystem and book names */
if (ogs == YES) {
ogsnames(file, &subsystem, &book);
(void) printw("%-*.*s ", subsystemlen,
subsystemlen, subsystem);
(void) printw("%-*.*s ", booklen, booklen,
book);
}
/* display the requested path components */
if (dispcomponents > 0) {
(void) printw("%-*.*s ", filelen, filelen,
pathcomponents(file, dispcomponents));
}
/* display the function name */
if (displayfcn()) {
(void) printw("%-*.*s ", fcnlen, fcnlen,
function);
}
/* display the line number */
(void) printw("%*s ", numlen, linenum);
/* there may be tabs in egrep output */
while ((s = strchr(yytext, '\t')) != NULL) {
*s = ' ';
}
/* display the source line */
s = yytext;
for (;;) {
/* see if the source line will fit */
if ((i = strlen(s)) > width) {
/* find the nearest blank */
for (i = width; s[i] != ' ' && i > 0;
--i) {
}
if (i == 0) {
i = width; /* no blank */
}
}
/* print up to this point */
(void) printw("%.*s", i, s);
s += i;
/* if line didn't wrap around */
if (i < width) {
/* go to next line */
(void) addch('\n');
}
/* skip blanks */
while (*s == ' ') {
++s;
}
/* see if there is more text */
if (*s == '\0') {
break;
}
/* if the source line is too long */
if (++screenline > lastdispline) {
/*
* if this is the first displayed line,
* display what will fit on the screen
*/
if (topline == nextline - 1) {
goto endrefs;
}
/* erase the reference */
while (--screenline >=
displine[disprefs]) {
(void) move(screenline, 0);
(void) clrtoeol();
}
++screenline;
/*
* go back to the beginning of this
* reference
*/
--nextline;
seekline(nextline);
goto endrefs;
}
/* indent the continued source line */
(void) move(screenline, COLS - width);
}
}
endrefs:
/* check for more references */
bottomline = nextline;
if (bottomline - topline < totallines) {
(void) move(FLDLINE - 1, 0);
(void) standout();
(void) printw("%*s", selectlen + 1, "");
if (bottomline - 1 == topline) {
(void) printw("Line %d", topline);
} else {
(void) printw("Lines %d-%d", topline,
bottomline - 1);
}
(void) printw(" of %d, press the space bar to "
"display next lines", totallines);
(void) standend();
}
}
/* display the input fields */
(void) move(FLDLINE, 0);
for (i = 0; i < FIELDS; ++i) {
(void) printw("%s %s:\n", fields[i].text1, fields[i].text2);
}
drawscrollbar(topline, nextline, totallines);
}
void
countrefs(void)
{
char *subsystem; /* OGS subsystem name */
char *book; /* OGS book name */
char file[PATHLEN + 1]; /* file name */
char function[PATLEN + 1]; /* function name */
char linenum[NUMLEN + 1]; /* line number */
int i;
/*
* count the references found and find the length of the file,
* function, and line number display fields
*/
subsystemlen = 9; /* strlen("Subsystem") */
booklen = 4; /* strlen("Book") */
filelen = 4; /* strlen("File") */
fcnlen = 8; /* strlen("Function") */
numlen = 0;
while ((i = fscanf(refsfound, "%250s%250s%6s %5000[^\n]", file,
function, linenum, yytext)) != EOF) {
if (i != 4 || !isgraph(*file) ||
!isgraph(*function) || !isdigit(*linenum)) {
putmsg("File does not have expected format");
totallines = 0;
return;
}
if ((i = strlen(pathcomponents(file,
dispcomponents))) > filelen) {
filelen = i;
}
if (ogs == YES) {
ogsnames(file, &subsystem, &book);
if ((i = strlen(subsystem)) > subsystemlen) {
subsystemlen = i;
}
if ((i = strlen(book)) > booklen) {
booklen = i;
}
}
if ((i = strlen(function)) > fcnlen) {
fcnlen = i;
}
if ((i = strlen(linenum)) > numlen) {
numlen = i;
}
++totallines;
}
rewind(refsfound);
/* restrict the width of displayed columns */
i = (COLS - 5) / 3;
if (ogs == YES) {
i = (COLS - 7) / 5;
}
if (filelen > i && i > 4) {
filelen = i;
}
if (subsystemlen > i && i > 9) {
subsystemlen = i;
}
if (booklen > i && i > 4) {
booklen = i;
}
if (fcnlen > i && i > 8) {
fcnlen = i;
}
}
void
display(void)
{
char *subsystem; /* OGS subsystem name */
char *book; /* OGS book name */
char file[PATHLEN + 1]; /* file name */
char function[PATLEN + 1]; /* function name */
char linenum[NUMLEN + 1]; /* line number */
int screenline; /* screen line number */
int width; /* source line display width */
int i;
char *s;
/* see if this is the initial display */
erase();
if (refsfound == NULL) {
#if CCS
if (displayversion == YES) {
printw("cscope %s", ESG_REL);
}
else {
printw("cscope");
}
#else
printw("Cscope version %d%s", FILEVERSION, FIXVERSION);
#endif
move(0, COLS - (int) sizeof(helpstring));
addstr(helpstring);
} else if (totallines == 0) {
/* if no references were found */
/* redisplay the last message */
addstr(lastmsg);
} else {
/* display the pattern */
if (changing == YES) {
printw("Change \"%s\" to \"%s\"", Pattern, newpat);
} else {
printw("%c%s: %s", toupper((unsigned char)fields[field].text2[0]),
fields[field].text2 + 1, Pattern);
}
/* display the column headings */
move(2, 2);
if (ogs == YES && field != FILENAME) {
printw("%-*s ", subsystemlen, "Subsystem");
printw("%-*s ", booklen, "Book");
}
if (dispcomponents > 0)
printw("%-*s ", filelen, "File");
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
printw("%-*s ", fcnlen, "Function");
}
if (field != FILENAME) {
addstr("Line");
}
addch('\n');
/* if at end of file go back to beginning */
if (nextline > totallines) {
seekline(1);
}
/* calculate the source text column */
width = COLS - numlen - 3;
if (ogs == YES) {
width -= subsystemlen + booklen + 2;
}
if (dispcomponents > 0) {
width -= filelen + 1;
}
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
width -= fcnlen + 1;
}
/* until the max references have been displayed or
there is no more room */
topline = nextline;
for (disprefs = 0, screenline = REFLINE;
disprefs < mdisprefs && screenline <= lastdispline;
++disprefs, ++screenline) {
/* read the reference line */
if (fscanf(refsfound, "%" PATHLEN_STR "s%" PATHLEN_STR "s%" NUMLEN_STR "s %" TEMPSTRING_LEN_STR "[^\n]", file, function,
linenum, tempstring) < 4) {
break;
}
++nextline;
displine[disprefs] = screenline;
/* if no mouse, display the selection number */
if (mouse == YES) {
addch(' ');
} else {
printw("%c", dispchars[disprefs]);
}
/* display any change mark */
if (changing == YES &&
change[topline + disprefs - 1] == YES) {
addch('>');
} else {
addch(' ');
}
/* display the file name */
if (field == FILENAME) {
printw("%-*s ", filelen, file);
} else {
/* if OGS, display the subsystem and book names */
if (ogs == YES) {
ogsnames(file, &subsystem, &book);
printw("%-*.*s ", subsystemlen, subsystemlen, subsystem);
printw("%-*.*s ", booklen, booklen, book);
}
/* display the requested path components */
if (dispcomponents > 0) {
printw("%-*.*s ", filelen, filelen,
pathcomponents(file, dispcomponents));
}
} /* else(field == FILENAME) */
/* display the function name */
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
printw("%-*.*s ", fcnlen, fcnlen, function);
}
if (field == FILENAME) {
addch('\n'); /* go to next line */
continue;
}
/* display the line number */
printw("%*s ", numlen, linenum);
/* there may be tabs in egrep output */
while ((s = strchr(tempstring, '\t')) != NULL) {
*s = ' ';
}
/* display the source line */
s = tempstring;
for (;;) {
/* see if the source line will fit */
if ((i = strlen(s)) > width) {
/* find the nearest blank */
for (i = width; s[i] != ' ' && i > 0; --i) {
;
}
if (i == 0) {
i = width; /* no blank */
}
}
/* print up to this point */
printw("%.*s", i, s);
s += i;
/* if line didn't wrap around */
if (i < width) {
addch('\n'); /* go to next line */
}
/* skip blanks */
while (*s == ' ') {
++s;
}
/* see if there is more text */
if (*s == '\0') {
break;
}
/* if the source line is too long */
if (++screenline > lastdispline) {
/* if this is the first displayed line,
display what will fit on the screen */
if (topline == nextline -1) {
disprefs++;
/* break out of two loops */
goto endrefs;
}
/* erase the reference */
while (--screenline >= displine[disprefs]) {
move(screenline, 0);
clrtoeol();
}
++screenline;
/* go back to the beginning of this reference */
--nextline;
seekline(nextline);
goto endrefs;
}
/* indent the continued source line */
move(screenline, COLS - width);
} /* for(ever) */
} /* for(reference output lines) */
endrefs:
/* position the cursor for the message */
i = FLDLINE - 1;
if (screenline < i) {
addch('\n');
}
else {
move(i, 0);
}
/* check for more references */
i = totallines - nextline + 1;
bottomline = nextline;
if (i > 0) {
printw("* Lines %d-%d of %d, %d more - press the space bar to display more *", topline, bottomline, totallines, i);
}
/* if this is the last page of references */
else if (topline > 1 && nextline > totallines) {
addstr("* Press the space bar to display the first lines again *");
}
}
/* display the input fields */
move(FLDLINE, 0);
for (i = 0; i < FIELDS; ++i) {
printw("%s %s:\n", fields[i].text1, fields[i].text2);
}
/* display any prompt */
if (changing == YES) {
move(PRLINE, 0);
addstr(selprompt);
}
drawscrollbar(topline, nextline); /* display the scrollbar */
refresh();
}
