From 787aa3279eda66fe6ba4fb9702cb7ddaee88a8b5 Mon Sep 17 00:00:00 2001
From: anon <anon@anon.anon>
Date: Sat, 29 Jul 2023 15:40:48 +0200
Subject: [PATCH] bak
---
.gdb_history | 17 +++
Makefile | 2 +-
README.md | 20 ++-
TODO | 4 +
src/command.c | 151 ++++++++--------------
src/constants.h | 57 ++++++++
src/display.c | 336 ++++++++++++++++++++++++++++--------------------
src/global.h | 53 +++-----
src/history.c | 7 +-
src/main.c | 328 ++++++++++++++++++++++++----------------------
10 files changed, 545 insertions(+), 430 deletions(-)
create mode 100644 .gdb_history
diff --git a/.gdb_history b/.gdb_history
new file mode 100644
index 0000000..6fb93ce
--- /dev/null
+++ b/.gdb_history
@@ -0,0 +1,17 @@
+b dispinit
+r
+n
+p first_col_width
+b display_frame
+c
+p first_col_width
+l
+d 1
+d 2
+wa first_col_width
+r
+r
+r
+help handle
+handle SIGINT stop
+r
diff --git a/Makefile b/Makefile
index b08b553..8ecb495 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
CC=gcc
-CCFLAGS:=-ggdb #-D PRODUCTION
+CFLAGS:=-ggdb
LDLIBS=-I ${CHDRD} $$(pkg-config --libs ncurses)
LEX:=flex
diff --git a/README.md b/README.md
index 0542b3b..16317c7 100644
--- a/README.md
+++ b/README.md
@@ -3,10 +3,26 @@ Fork of Cscope, with various improvements, because cscope is good and shall not
# Improvements/Changes
## User side
++ renamed the program, because "cscope" is annoying to type
+ improved gui /*pending*/
+ GNU Readline integration (ie. VI/EMACS mode, command history) /*pending*/
## To the code
+ nuked autoconf, replaced with single Makefile
-+ removed
++ removed "scanner.l" which seems to be an anchient version (and redundant copy) of "fscanner.l" forgotten by all
+ encapsulated changes to the TUI into display.c
-+ removed macros hell put in place to allow compiling on a dead badger
++ removed macro hell put in place to allow compiling on a dead badger
++ replaced repeated inline #ifdef KEY_\*-s with guaranteed definitions
++ removed random commets giving tips for and refering to specific issues
+
+# Interface
+ <-- Tab -->
+ +------------Message-------------+ +--------------------------------+
+ A |+--------------+---------------+| |+------------------------------+|
+ | || Input Window | Result window || || ||
+ |+--------------+ || ? || ||
+ ? || Mode Window | || ---> || Help ||
+ ? || | || <--- || ||
+ || | || ESC || ||
+ | || | || || ||
+ V |+--------------+---------------+| |+------------------------------+|
+ +-----------Tool Tips------------+ +--------------------------------+
diff --git a/TODO b/TODO
index ae2614f..51b67dd 100644
--- a/TODO
+++ b/TODO
@@ -5,3 +5,7 @@
+ Normalize tabs and spaces
+ Ordering function declarations in global.h by alpha order is not smart
+ Handle unused parameters gracefully (#define UNUSED(x) (void)(x))
++ Figure out what the deal is with changestring()
++ scollbar() uses int literals?
+
++ recursive macro function to assign KEY_* default values; look for a new and shiny preprocessor?
diff --git a/src/command.c b/src/command.c
index 920c36e..1d1808a 100644
--- a/src/command.c
+++ b/src/command.c
@@ -47,22 +47,28 @@
#endif
#include <ctype.h>
-int selecting; /* whether the (upper) symbol list is being browsed */
-unsigned int curdispline = 0;
+/* These are strictly used to test how keys are suppose to behave.
+ * Think of it as modes: in _input mode_ the up arrow interacts
+ * with the history, while in _mode mode_ it selects what operation
+ * to perform with the user input.
+ * In the original version this was handled by
+ * "int selecting // whether the (upper) symbol list is being browsed".
+ */
+extern const void const* winput;
+extern const void const* wmode;
+extern const void const* wresult;
+extern const void const* const* current_window;
BOOL caseless; /* ignore letter case when searching */
BOOL *change; /* change this line */
BOOL changing; /* changing text */
char newpat[PATLEN + 1]; /* new pattern */
-/* HBB 20040430: renamed to avoid lots of clashes with function arguments
- * also named 'pattern' */
char Pattern[PATLEN + 1]; /* symbol or text pattern */
-/* HBB FIXME 20060419: these should almost certainly be const */
-static char appendprompt[] = "Append to file: ";
-static char pipeprompt[] = "Pipe to shell command: ";
-static char readprompt[] = "Read from file: ";
-static char toprompt[] = "To: ";
+static const char appendprompt[] = "Append to file: ";
+static const char pipeprompt[] = "Pipe to shell command: ";
+static const char readprompt[] = "Read from file: ";
+static const char toprompt[] = "To: ";
/* Internal prototypes: */
@@ -113,12 +119,9 @@ command(int commandc)
totallines = 0;
disprefs = 0;
topline = nextline = 1;
- selecting = 0;
break;
-#if UNIXPC
case ESC: /* possible unixpc mouse selection */
-#endif
case ctrl('X'): /* mouse selection */
if ((p = getmouseaction(DUMMYCHAR)) == NULL) {
return(NO); /* unknown control sequence */
@@ -150,7 +153,6 @@ command(int commandc)
if (field >= FIELDS) {
field = FIELDS - 1;
}
- setfield();
resetcmd();
return(NO);
}
@@ -158,107 +160,76 @@ command(int commandc)
case '\t': /* go to next input field */
if (disprefs) {
- selecting = !selecting;
- if (selecting) {
- move(displine[curdispline], 0);
- refresh();
- } else {
- atfield();
- resetcmd();
- }
+ horswp_field();
}
return(NO);
-#ifdef KEY_ENTER
+ case '%':
+ verswp_field();
+ return(NO);
+
case KEY_ENTER:
-#endif
case '\r':
case '\n': /* go to reference */
- if (selecting) {
+ if (current_window == &wresult) {
editref(curdispline);
return(YES);
}
/* FALLTHROUGH */
case ctrl('N'):
-#ifdef KEY_DOWN
case KEY_DOWN:
-#endif
-#ifdef KEY_RIGHT
case KEY_RIGHT:
-#endif
- if (selecting) {
+ if (current_window == &wresult) {
if ((curdispline + 1) < disprefs) {
- move(displine[++curdispline], 0);
- refresh();
+ ++curdispline;
}
} else {
field = (field + 1) % FIELDS;
- setfield();
- atfield();
resetcmd();
}
return(NO);
case ctrl('P'): /* go to previous input field */
-#ifdef KEY_UP
case KEY_UP:
-#endif
-#ifdef KEY_LEFT
case KEY_LEFT:
-#endif
- if (selecting) {
+ if (current_window == &wresult) {
if (curdispline) {
- move(displine[--curdispline], 0);
- refresh();
+ --curdispline;
}
} else {
field = (field + (FIELDS - 1)) % FIELDS;
- setfield();
- atfield();
resetcmd();
}
return(NO);
-#ifdef KEY_HOME
case KEY_HOME: /* go to first input field */
- if (selecting) {
+ if (current_window == &wresult) {
curdispline = 0;
- move(REFLINE, 0);
- refresh();
} else {
field = 0;
- setfield();
- atfield();
resetcmd();
}
return(NO);
-#endif
-#ifdef KEY_LL
case KEY_LL: /* go to last input field */
- if (selecting) {
- move(displine[disprefs - 1], 0);
+ if (current_window == &wresult) {
+ curdispline = disprefs;
refresh();
} else {
field = FIELDS - 1;
- setfield();
- atfield();
resetcmd();
}
return(NO);
-#endif /* def(KEY_LL) */
case ' ': /* display next page */
case '+':
case ctrl('V'):
-#ifdef KEY_NPAGE
case KEY_NPAGE:
-#endif
/* don't redisplay if there are no lines */
if (totallines == 0) {
return(NO);
}
- /* note: seekline() is not used to move to the next
+ /* NOTE: seekline() is not used to move to the next
* page because display() leaves the file pointer at
* the next page to optimize paging forward
*/
@@ -267,9 +238,7 @@ command(int commandc)
case ctrl('H'):
case '-': /* display previous page */
-#ifdef KEY_PPAGE
case KEY_PPAGE:
-#endif
/* don't redisplay if there are no lines */
if (totallines == 0) {
return(NO);
@@ -392,13 +361,12 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
break;
#endif
case ctrl('L'): /* redraw screen */
-#ifdef KEY_CLEAR
case KEY_CLEAR:
-#endif
- clearmsg2();
- clearok(curscr, TRUE);
- wrefresh(curscr);
- drawscrollbar(topline, bottomline);
+ /* XXX: no */
+ //clearmsg2();
+ //clearok(curscr, TRUE);
+ //wrefresh(curscr);
+ //drawscrollbar(topline, bottomline);
return(NO);
case '!': /* shell escape */
@@ -417,7 +385,7 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
editall();
break;
- case ctrl('A'): /* HBB 20050428: added alt. keymapping */
+ case ctrl('A'):
case ctrl('Y'): /* repeat last pattern */
if (*Pattern != '\0') {
addstr(Pattern);
@@ -427,8 +395,8 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
case ctrl('B'): /* cmd history back */
case ctrl('F'): /* cmd history fwd */
- if (selecting) {
- selecting = 0;
+ if (current_window == &wresult) {
+ horswp_field();
}
curritem = currentcmd();
@@ -439,8 +407,6 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
}
if (item) {
field = item->field;
- setfield();
- atfield();
addstr(item->text);
strcpy(Pattern, item->text);
switch (c = mygetch()) {
@@ -450,7 +416,6 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
case ctrl('F'):
case ctrl('B'):
myungetch(c);
- atfield();
clrtoeol(); /* clear current field */
break;
default:
@@ -477,10 +442,9 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
case '.':
postmsg("The . command has been replaced by ^Y");
- atfield(); /* move back to the input field */
/* FALLTHROUGH */
default:
- if (selecting && !mouse) {
+ if (current_window == &wresult && !mouse) {
char *c;
if ((c = strchr(dispchars, commandc)))
@@ -506,7 +470,9 @@ cscope: cannot open pipe to shell command: %s\n", newpat);
/* search for the pattern */
if (search() == YES) {
curdispline = 0;
- ++selecting;
+ if(current_window != &wresult){
+ horswp_field();
+ }
switch (field) {
case DEFINITION:
@@ -582,7 +548,6 @@ readrefs(char *filename)
}
/* change one text string to another */
-
static BOOL
changestring(void)
{
@@ -612,7 +577,7 @@ changestring(void)
/* display the current page of lines */
display();
same:
- atchange();
+ //atchange();
/* get a character from the terminal */
if ((c = mygetch()) == EOF || c == ctrl('D')) {
@@ -627,26 +592,21 @@ changestring(void)
#endif
}
/* see if the input character is a command */
+ // wtf is this? ?!
switch (c) {
case ' ': /* display next page */
case '+':
case ctrl('V'):
-#ifdef KEY_NPAGE
case KEY_NPAGE:
-#endif
case '-': /* display previous page */
-#ifdef KEY_PPAGE
case KEY_PPAGE:
-#endif
case '!': /* shell escape */
case '?': /* help */
command(c);
break;
case ctrl('L'): /* redraw screen */
-#ifdef KEY_CLEAR
case KEY_CLEAR:
-#endif
command(c);
goto same;
@@ -774,17 +734,16 @@ changestring(void)
/* if any line was marked */
if (anymarked == YES) {
-
- /* edit the files */
- clearprompt();
- refresh();
- fprintf(stderr, "Changed lines:\n\r");
- execute("sh", "sh", temp2, NULL);
- askforreturn();
- seekline(1);
+ /* edit the files */
+ clearprompt();
+ refresh();
+ fprintf(stderr, "Changed lines:\n\r");
+ execute("sh", "sh", temp2, NULL);
+ askforreturn();
+ seekline(1);
} else {
- nochange:
- clearprompt();
+ nochange:
+ clearprompt();
}
changing = NO;
mousemenu();
@@ -867,11 +826,7 @@ countrefs(void)
/* 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;
+
/* HBB NOTE 2012-04-07: it may look like we shouldn't assing tempstring here,
* since it's not used. But it has to be assigned just so the return value
* of fscanf will actually reach 4. */
diff --git a/src/constants.h b/src/constants.h
index 873a720..c7aa6c0 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -99,6 +99,61 @@
#define INCLUDES 8
#define FIELDS 10
+/* file open modes */
+#ifndef R_OK
+# define READ R_OK
+#else
+# define READ 4
+#endif
+#ifdef W_OK
+# define WRITE W_OK
+#else
+# define WRITE 2
+#endif
+
+#define O_TEXT 0x00
+#define O_BINARY 0x00
+
+/* Key macros */
+/* These macros are not guaranteed to be defined,
+ * however we wish to test for these anyways while
+ * interpretting user commands.
+ * Input values are guaranteed to be postive,
+ * so setting them to -1 means the test always just silently fail,
+ * but compile when the they are not supported means of input.
+ */
+#ifndef KEY_DOWN
+# define KEY_DOWN KEY_UNDEF_BASE-1
+#endif
+#ifndef KEY_UP
+# define KEY_UP KEY_UNDEF_BASE-2
+#endif
+#ifndef KEY_LEFT
+# define KEY_LEFT KEY_UNDEF_BASE-3
+#endif
+#ifndef KEY_RIGHT
+# define KEY_RIGHT KEY_UNDEF_BASE-4
+#endif
+#ifndef KEY_HOME
+# define KEY_HOME _KEY_UNDEF_BASE-5
+#endif
+#ifndef KEY_LL
+# define KEY_LL KEY_UNDEF_BASE-6
+#endif
+#ifndef KEY_PPAGE
+# define KEY_PPAGE KEY_UNDEF_BASE-7
+#endif
+#ifndef KEY_NPAGE
+# define KEY_NPAGE KEY_UNDEF_BASE-8
+#endif
+#ifdef KEY_ENTER
+# define KEY_ENTER KEY_UNDEF_BASE-9
+#endif
+#ifndef KEY_CLEAR
+# define KEY_CLEAR KEY_UNDEF_BASE-10
+#endif
+
+/**/
#if (BSD || V9) && !__NetBSD__ && !__FreeBSD__ && !__APPLE__
# define TERMINFO 0 /* no terminfo curses */
#else
@@ -130,4 +185,6 @@
# endif /* if UNIXPC */
#endif /* if !TERMINFO */
+#define INPUT_PROMPT "$ "
+
#endif /* CSCOPE_CONSTANTS_H */
diff --git a/src/display.c b/src/display.c
index b28fdef..2f1961e 100644
--- a/src/display.c
+++ b/src/display.c
@@ -50,38 +50,52 @@
#include <time.h>
#include <errno.h>
#include <stdarg.h>
+#include <assert.h>
+
+int subsystemlen = sizeof("Subsystem")-1; /* OGS subsystem name display field length */
+int booklen = sizeof("Book")-1; /* OGS book name display field length */
+int filelen = sizeof("File")-1; /* file name display field length */
+int fcnlen = sizeof("Function")-1; /* function name display field length */
+int numlen = 0; /* line number display field length */
-int booklen; /* OGS book name display field length */
int *displine; /* screen line of displayed reference */
unsigned int disprefs; /* displayed references */
int field; /* input field */
-int filelen; /* file name display field length */
-int fcnlen; /* function name display field length */
unsigned int mdisprefs; /* maximum displayed references */
unsigned int nextline; /* next line to be shown */
FILE *nonglobalrefs; /* non-global references file */
-int numlen; /* line number display field length */
unsigned int topline = 1; /* top line of page */
-int bottomline; /* bottom line of page */
+static int bottomline; /* bottom line of page */
long searchcount; /* count of files searched */
-int subsystemlen; /* OGS subsystem name display field length */
unsigned int totallines; /* total reference lines */
unsigned fldcolumn; /* input field column */
-WINDOW* body;
-WINDOW* input_fields;
+unsigned int curdispline = 0;
+
+WINDOW* winput;
+WINDOW* wmode;
+WINDOW* wresult;
+WINDOW** current_window;
+static WINDOW** last_window;
+
+static int result_window_height;
+static int second_col_width;
+static int first_col_width;
+static int input_window_height;
+static int mode_window_height;
+
+#define WRESULT_TABLE_BODY_START 4
static enum {
- CH_BODY = 0x0001,
- CH_INPUT_FIELDS = CH_BODY << 1,
- CH_COMMAND_FIELD = CH_BODY << 2,
- CH_ALL = CH_BODY | CH_INPUT_FIELDS | CH_COMMAND_FIELD
+ CH_RESULT = 0x0001,
+ CH_INPUT = CH_RESULT << 1,
+ CH_MODE = CH_RESULT << 2,
+ CH_ALL = CH_RESULT | CH_INPUT | CH_MODE
};
const char dispchars[] = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
static int fldline; /* input field line */
static sigjmp_buf env; /* setjmp/longjmp buffer */
-static int lastdispline; /* last displayed reference line */
static char lastmsg[MSGLEN + 1]; /* last message displayed */
static const char helpstring[] = "Press the ? key for help";
static const char selprompt[] =
@@ -89,11 +103,6 @@ static const char selprompt[] =
typedef char * (*FP)(char *); /* pointer to function returning a character pointer */
-/* HBB 2000/05/05: I removed the casts to function pointer type. It is
- * fundamentally unsafe to call a function through a pointer of a
- * different type ('undefined behaviour' in the words of the ANSI/ISO
- * C standard). Instead, I made all the find...() functions adhere to
- * the same function type, by changing argument passing a bit. */
static struct { /* text of input fields */
char *text1;
char *text2;
@@ -116,7 +125,6 @@ static struct { /* text of input fields */
static void jumpback(int sig);
/* initialize display parameters */
-
void
dispinit(void)
{
@@ -126,32 +134,52 @@ dispinit(void)
keypad(stdscr, TRUE); /* enable the keypad */
//fixkeypad(); /* fix for getch() intermittently returning garbage */
standend(); /* turn off reverse video */
+ curs_set(0);
+ noecho();
- /* calculate the maximum displayed reference lines */
- lastdispline = FLDLINE - 3;
- mdisprefs = lastdispline - REFLINE + 1;
-
+ /* Calculate section sizes */
+ result_window_height = LINES - 2;
+ input_window_height = 1;
+ mode_window_height = LINES - input_window_height - 2 - 1;
+ first_col_width = 48; // (((COLS - 2)%2 == 0) ? ((COLS-2)/2) : (((COLS-2)/2)+1));
+ second_col_width = COLS - 2 - 1 - first_col_width; //((COLS - 2) / 2) - 1;
+ mdisprefs = result_window_height - 1;
if (mdisprefs <= 0) {
postfatal("%s: screen too small\n", argv0);
/* NOTREACHED */
}
-
- if (mouse == NO && mdisprefs > strlen(dispchars))
+ if(mdisprefs > strlen(dispchars)){
mdisprefs = strlen(dispchars);
+ }
/* allocate the displayed line array */
displine = malloc(mdisprefs * sizeof(*displine));
/* initialize windows */
- body = newwin(LINES-2-FIELDS, COLS-2, 1, 1);
- input_fields = newwin(FIELDS, COLS-2, FLDLINE, 1);
+ winput = newwin(input_window_height, first_col_width, 1, 1);
+ wmode = newwin(mode_window_height, first_col_width, input_window_height+1 + 1, 1);
+ wresult = newwin(result_window_height, second_col_width, 1, first_col_width + 1 + 1);
refresh();
+
+ current_window = &winput;
}
static inline void display_frame(){
-
box(stdscr, 0, 0);
+ /* Vertical line */
+ mvaddch(0, first_col_width + 1, ACS_TTEE);
+ for(int i = 0; i < LINES-2; i++){
+ mvaddch(i+1, first_col_width + 1, ACS_VLINE);
+ }
+ mvaddch(LINES-1, first_col_width + 1, ACS_BTEE);
+ /* Horizontal line */
+ wmove(stdscr, input_window_height + 1, 0);
+ addch(ACS_LTEE);
+ for(int i = 0; i < first_col_width; i++){
+ addch(ACS_HLINE);
+ }
+ addch(ACS_RTEE);
/* Title*/
const int LEFT_PADDING = 5;
wmove(stdscr, 0, LEFT_PADDING);
@@ -165,146 +193,142 @@ static inline void display_frame(){
#else
wprintw(stdscr, "Cscope version %d%s", FILEVERSION, FIXVERSION);
#endif
- wmove(stdscr, 0, COLS - (int) sizeof(helpstring));
+ wmove(stdscr, 0, COLS - (int)sizeof(helpstring) - 3);
waddstr(stdscr, helpstring);
- wmove(input_fields, 0, 0);
- for(int i = 0; i < COLS-2; i++){
- waddch(input_fields, ACS_HLINE);
- }
}
static inline void display_input_fields(){
- /* display the input fields */
- wmove(input_fields, 1, 0);
for(int i = 0; i < FIELDS; ++i){
- wprintw(input_fields, "%s %s:\n", fields[i].text1, fields[i].text2);
+ mvwprintw(wmode, i, 0, "%s %s", fields[i].text1, fields[i].text2);
}
}
static inline void display_command_field(){
-
+ mvwprintw(winput, 0, 0, INPUT_PROMPT);
}
-void
-display(void)
-{
+static inline void display_results(){
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 srctxtw; /* source line display width */
int i;
char *s;
- erase();
- display_frame();
+ werase(wresult);
if (totallines == 0) {
- /* if no references were found */
- /* redisplay the last message */
- waddstr(body, lastmsg);
- } else {
+ /* if no references were found */
+ /* redisplay the last message */
+ waddstr(wresult, lastmsg);
+ return;
+ /* NOTREACHED */
+ }
+
/* display the pattern */
if (changing == YES) {
- wprintw(body, "Change \"%s\" to \"%s\"", Pattern, newpat);
+ wprintw(wresult, "Change \"%s\" to \"%s\"", Pattern, newpat);
} else {
- wprintw(body, "%c%s: %s", toupper((unsigned char)fields[field].text2[0]),
+ wprintw(wresult, "%c%s: %s", toupper((unsigned char)fields[field].text2[0]),
fields[field].text2 + 1, Pattern);
}
/* display the column headings */
- wmove(body, 2, 2);
+ wmove(wresult, 2, 2);
if (ogs == YES && field != FILENAME) {
- wprintw(body, "%-*s ", subsystemlen, "Subsystem");
- wprintw(body, "%-*s ", booklen, "Book");
+ wprintw(wresult, "%-*s ", subsystemlen, "Subsystem");
+ wprintw(wresult, "%-*s ", booklen, "Book");
}
if (dispcomponents > 0)
- wprintw(body, "%-*s ", filelen, "File");
+ wprintw(wresult, "%-*s ", filelen, "File");
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
- wprintw(body, "%-*s ", fcnlen, "Function");
+ wprintw(wresult, "%-*s ", fcnlen, "Function");
}
if (field != FILENAME) {
- waddstr(body, "Line");
+ waddstr(wresult, "Line");
}
- waddch(body, '\n');
- /* if at end of file go back to beginning */
- if (nextline > totallines) {
- seekline(1);
- }
+ wmove(wresult, WRESULT_TABLE_BODY_START, 0);
+
/* calculate the source text column */
-
- width = COLS - numlen - 3;
-
+ /* NOTE: the +1s are column gaps */
+ srctxtw = second_col_width;
+ srctxtw -= 1+1; // dispchars
if (ogs == YES) {
- width -= subsystemlen + booklen + 2;
+ srctxtw -= subsystemlen+1 + booklen+1;
}
if (dispcomponents > 0) {
- width -= filelen + 1;
+ srctxtw -= filelen+1;
}
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
- width -= fcnlen + 1;
+ srctxtw -= fcnlen+1;
}
+ srctxtw -= numlen+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) {
+ disprefs < mdisprefs && screenline <= result_window_height;
+ ++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;
+ 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) {
- waddch(body, ' ');
- } else {
- wprintw(body, "%c", dispchars[disprefs]);
- }
+ wprintw(wresult, "%c", dispchars[disprefs]);
/* display any change mark */
- if (changing == YES &&
- change[topline + disprefs - 1] == YES) {
- waddch(body, '>');
+ if (changing == YES && change[topline + disprefs - 1] == YES) {
+ waddch(wresult, '>');
} else {
- waddch(body, ' ');
+ waddch(wresult, ' ');
}
/* display the file name */
if (field == FILENAME) {
- wprintw(body, "%-*s ", filelen, file);
+ wprintw(wresult, "%-*s ", filelen, file);
} else {
/* if OGS, display the subsystem and book names */
if (ogs == YES) {
ogsnames(file, &subsystem, &book);
- wprintw(body, "%-*.*s ", subsystemlen, subsystemlen, subsystem);
- wprintw(body, "%-*.*s ", booklen, booklen, book);
+ wprintw(wresult, "%-*.*s ", subsystemlen, subsystemlen, subsystem);
+ wprintw(wresult, "%-*.*s ", booklen, booklen, book);
}
/* display the requested path components */
if (dispcomponents > 0) {
- wprintw(body, "%-*.*s ", filelen, filelen,
+ wprintw(wresult, "%-*.*s ", filelen, filelen,
pathcomponents(file, dispcomponents));
}
} /* else(field == FILENAME) */
/* display the function name */
if (field == SYMBOL || field == CALLEDBY || field == CALLING) {
- wprintw(body, "%-*.*s ", fcnlen, fcnlen, function);
+ wprintw(wresult, "%-*.*s ", fcnlen, fcnlen, function);
}
if (field == FILENAME) {
- waddch(body, '\n'); /* go to next line */
+ waddch(wresult, '\n'); /* go to next line */
continue;
}
/* display the line number */
- wprintw(body, "%*s ", numlen, linenum);
+ wprintw(wresult, "%*s ", numlen, linenum);
/* there may be tabs in egrep output */
while ((s = strchr(tempstring, '\t')) != NULL) {
*s = ' ';
@@ -313,24 +337,25 @@ display(void)
/* display the source line */
s = tempstring;
for (;;) {
- /* see if the source line will fit */
- if ((i = strlen(s)) > width) {
+ /* if the source line does not fit */
+ if ((i = strlen(s)) > srctxtw) {
/* find the nearest blank */
- for (i = width; s[i] != ' ' && i > 0; --i) {
- ;
+ for (i = srctxtw; s[i] != ' ' && i > 0; --i) {
+ ;
}
+
if (i == 0) {
- i = width; /* no blank */
+ i = srctxtw; /* no blank */
}
}
/* print up to this point */
- wprintw(body, "%.*s", i, s);
+ wprintw(wresult, "%.*s", i, s);
s += i;
/* if line didn't wrap around */
- if (i < width) {
- waddch(body, '\n'); /* go to next line */
+ if (i < srctxtw) {
+ waddch(wresult, '\n'); /* go to next line */
}
/* skip blanks */
while (*s == ' ') {
@@ -341,7 +366,7 @@ display(void)
break;
}
/* if the source line is too long */
- if (++screenline > lastdispline) {
+ if (++screenline > result_window_height) {
/* if this is the first displayed line,
display what will fit on the screen */
@@ -353,8 +378,8 @@ display(void)
/* erase the reference */
while (--screenline >= displine[disprefs]) {
- wmove(body, screenline, 0);
- clrtoeol();
+ wmove(wresult, screenline, 0);
+ wclrtoeol(wresult);
}
++screenline;
@@ -364,39 +389,83 @@ display(void)
goto endrefs;
}
/* indent the continued source line */
- wmove(body, screenline, COLS - width);
+ wmove(wresult, screenline, second_col_width - srctxtw);
} /* for(ever) */
} /* for(reference output lines) */
endrefs:
/* position the cursor for the message */
i = FLDLINE - 1;
if (screenline < i) {
- waddch(body, '\n');
+ waddch(wresult, '\n');
}
else {
- wmove(body, i, 0);
+ wmove(wresult, i, 0);
}
/* check for more references */
i = totallines - nextline + 1;
bottomline = nextline;
if (i > 0) {
- wprintw(body, "* Lines %d-%d of %d, %d more - press the space bar to display more *", topline, bottomline, totallines, i);
+ wprintw(wresult, "* 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) {
- waddstr(body, "* Press the space bar to display the first lines again *");
+ waddstr(wresult, "* Press the space bar to display the first lines again *");
}
- }
- drawscrollbar(topline, nextline); /* display the scrollbar */
+}
- atfield();
+void display_cursor(void){
+ chtype i;
+ int yoffset = 0, xoffset = 0;
+ if(current_window == &winput){
+ xoffset = sizeof(INPUT_PROMPT)-1;
+ }else if(current_window == &wmode){
+ yoffset = field;
+ }else if(current_window == &wresult){
+ yoffset = WRESULT_TABLE_BODY_START + curdispline;
+ }else{
+ assert(("No window selected.", true));
+ }
+
+ wmove(*current_window, yoffset, xoffset);
+
+ i = winch(*current_window);
+ i |= A_REVERSE;
+ waddch(*current_window, i);
+}
+
+void
+display(void)
+{
+ //drawscrollbar(topline, nextline); /* display the scrollbar */
+
+ display_frame();
+ display_command_field();
display_input_fields();
- display_prompt();
+ display_results();
+
+ display_cursor();
refresh();
- wrefresh(body);
- wrefresh(input_fields);
+ wrefresh(winput);
+ wrefresh(wmode);
+ wrefresh(wresult);
+}
+
+void
+horswp_field(void){
+ if(current_window != &wresult){
+ last_window = current_window;
+ current_window = &wresult;
+ }else{
+ current_window = last_window;
+ }
+}
+
+void
+verswp_field(void){
+ if(current_window == &wresult){ return; }
+ current_window = (current_window == &winput) ? &wmode : &winput;
}
/* set the cursor position for the field */
@@ -420,7 +489,7 @@ display(void)
//void
//atchange(void)
//{
-// wmove(body, PRLINE, (int) sizeof(selprompt) - 1);
+// wmove(wresult, PRLINE, (int) sizeof(selprompt) - 1);
//}
/* search for the symbol or text pattern */
@@ -530,7 +599,6 @@ search(void)
}
/* display search progress with default custom format */
-
void
progress(char *what, long current, long max)
{
@@ -547,15 +615,15 @@ progress(char *what, long current, long max)
{
if (linemode == NO)
{
- wmove(body, MSGLINE, 0);
- clrtoeol();
- waddstr(body, what);
+ wmove(wresult, MSGLINE, 0);
+ wclrtoeol(wresult);
+ waddstr(wresult, what);
snprintf(msg, sizeof(msg), "%ld", current);
- wmove(body, MSGLINE, (COLS / 2) - (strlen(msg) / 2));
- waddstr(body, msg);
+ wmove(wresult, MSGLINE, (COLS / 2) - (strlen(msg) / 2));
+ waddstr(wresult, msg);
snprintf(msg, sizeof(msg), "%ld", max);
- wmove(body, MSGLINE, COLS - strlen(msg));
- waddstr(body, msg);
+ wmove(wresult, MSGLINE, COLS - strlen(msg));
+ waddstr(wresult, msg);
refresh();
}
else if (verbosemode == YES)
@@ -566,12 +634,12 @@ progress(char *what, long current, long max)
start = now;
if ((linemode == NO) && (incurses == YES))
{
- wmove(body, MSGLINE, 0);
+ wmove(wresult, MSGLINE, 0);
i = (float)COLS * (float)current / (float)max;
standout();
for (; i > 0; i--)
- waddch(body, inch());
+ waddch(wresult, inch());
standend();
refresh();
}
@@ -583,7 +651,6 @@ progress(char *what, long current, long max)
}
/* print error message on system call failure */
-
void
myperror(char *text)
{
@@ -598,7 +665,6 @@ myperror(char *text)
/* postmsg clears the message line and prints the message */
-/* VARARGS */
void
postmsg(char *msg)
{
@@ -608,8 +674,8 @@ postmsg(char *msg)
}
else {
clearmsg();
- waddstr(body, msg);
- refresh();
+ waddstr(wresult, msg);
+ wrefresh(wresult);
}
(void) strncpy(lastmsg, msg, sizeof(lastmsg) - 1);
}
@@ -619,25 +685,21 @@ postmsg(char *msg)
void
clearmsg(void)
{
- if (linemode == NO) {
- wmove(body, MSGLINE, 0);
- clrtoeol();
- }
+ wmove(wresult, MSGLINE, 0);
+ wclrtoeol(wresult);
}
/* clearmsg2 clears the second message line */
-
void
clearmsg2(void)
{
if (linemode == NO) {
- wmove(body, MSGLINE + 1, 0);
- clrtoeol();
+ wmove(wresult, MSGLINE + 1, 0);
+ wclrtoeol(wresult);
}
}
/* postmsg2 clears the second message line and prints the message */
-
void
postmsg2(char *msg)
{
@@ -646,7 +708,7 @@ postmsg2(char *msg)
}
else {
clearmsg2();
- waddstr(body, msg);
+ waddstr(wresult, msg);
refresh();
}
}
@@ -691,8 +753,7 @@ postfatal(const char *msg, ...)
myexit(1);
}
- /* position references found file at specified line */
-
+/* position references found file at specified line */
void
seekline(unsigned int line)
{
@@ -715,7 +776,6 @@ seekline(unsigned int line)
}
/* get the OGS subsystem and book names */
-
void
ogsnames(char *file, char **subsystem, char **book)
{
@@ -744,7 +804,6 @@ ogsnames(char *file, char **subsystem, char **book)
}
/* get the requested path components */
-
char *
pathcomponents(char *path, int components)
{
@@ -764,7 +823,6 @@ pathcomponents(char *path, int components)
}
/* open the references found file for writing */
-
BOOL
writerefsfound(void)
{
diff --git a/src/global.h b/src/global.h
index d1ec944..19a5a87 100644
--- a/src/global.h
+++ b/src/global.h
@@ -84,24 +84,12 @@ struct cmd { /* command history struct */
char *text; /* input field text */
};
-#ifndef R_OK
-# define READ R_OK
-#else
-# define READ 4
-#endif
-#ifdef W_OK
-# define WRITE W_OK
-#else
-# define WRITE 2
-#endif
-
-#define O_TEXT 0x00
-#define O_BINARY 0x00
#ifndef DFLT_INCDIR
# define DFLT_INCDIR "/usr/include"
#endif
+
/* digraph data for text compression */
extern char dichar1[]; /* 16 most frequent first chars */
extern char dichar2[]; /* 8 most frequent second chars
@@ -155,7 +143,6 @@ extern char *tmpdir; /* temporary directory */
extern BOOL caseless; /* ignore letter case when searching */
extern BOOL *change; /* change this line */
extern BOOL changing; /* changing text */
-extern int selecting;
extern unsigned int curdispline;
extern char newpat[]; /* new pattern */
extern char Pattern[]; /* symbol or text pattern */
@@ -178,23 +165,22 @@ extern unsigned long nsrcfiles; /* number of source files */
extern unsigned long msrcfiles; /* maximum number of source files */
/* display.c global data */
-extern int booklen; /* OGS book name display field length */
-extern int *displine; /* screen line of displayed reference */
-extern unsigned int disprefs; /* displayed references */
-extern int fcnlen; /* function name display field length */
-extern int field; /* input field */
-extern int filelen; /* file name display field length */
-extern unsigned fldcolumn; /* input field column */
-extern unsigned int mdisprefs; /* maximum displayed references */
-extern unsigned int nextline; /* next line to be shown */
-extern FILE *nonglobalrefs; /* non-global references file */
-extern int numlen; /* line number display field length */
-extern unsigned int topline; /* top line of page */
-extern int bottomline; /* bottom line of page */
-extern long searchcount; /* count of files searched */
-extern int subsystemlen; /* OGS subsystem name display field length */
-extern unsigned int totallines; /* total reference lines */
-extern const char dispchars[]; /* display chars for jumping to lines */
+extern int subsystemlen; /* OGS subsystem name display field length */
+extern int booklen; /* OGS book name display field length */
+extern int filelen; /* file name display field length */
+extern int fcnlen; /* function name display field length */
+extern int numlen; /* line number display field length */
+extern int *displine; /* screen line of displayed reference */
+extern unsigned int disprefs; /* displayed references */
+extern int field; /* input field */
+extern unsigned fldcolumn; /* input field column */
+extern unsigned int mdisprefs; /* maximum displayed references */
+extern unsigned int nextline; /* next line to be shown */
+extern FILE *nonglobalrefs; /* non-global references file */
+extern unsigned int topline; /* top line of page */
+extern long searchcount; /* count of files searched */
+extern unsigned int totallines; /* total reference lines */
+extern const char dispchars[]; /* display chars for jumping to lines */
/* find.c global data */
extern char block[]; /* cross-reference file block */
@@ -243,13 +229,13 @@ void usage(void);
extern BOOL remove_symfile_onexit;
extern BOOL onesearch; /* one search only in line mode */
extern char *reflines; /* symbol reference lines file */
+void verswp_field(void);
+void horswp_field(void);
void addcmd(int f, char *s);
void addsrcfile(char *path);
void askforchar(void);
void askforreturn(void);
-void atchange(void);
-void atfield(void);
void cannotwrite(char *file);
void cannotopen(char *file);
void clearmsg(void);
@@ -291,7 +277,6 @@ void putposting(char *term, int type);
void fetch_string_from_dbase(char *, size_t);
void resetcmd(void);
void seekline(unsigned int line);
-void setfield(void);
void shellpath(char *out, int limit, char *in);
void sourcedir(char *dirlist);
void myungetch(int c);
diff --git a/src/history.c b/src/history.c
index 6efca0e..8d1f25f 100644
--- a/src/history.c
+++ b/src/history.c
@@ -62,7 +62,7 @@ addcmd(int f, char *s) /* field number and command text */
current = 0;
}
- /* return previous history item */
+/* return previous history item */
struct cmd *
prevcmd(void)
{
@@ -77,7 +77,7 @@ prevcmd(void)
return NULL;
}
- /* return next history item */
+/* return next history item */
struct cmd *
nextcmd(void)
{
@@ -89,7 +89,8 @@ nextcmd(void)
} else
return NULL;
}
- /* reset current to tail */
+
+/* reset current to tail */
void
resetcmd(void)
{
diff --git a/src/main.c b/src/main.c
index 843d787..b2647f0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -87,7 +87,7 @@ BOOL linemode = NO; /* use line oriented user interface */
BOOL verbosemode = NO; /* print extra information on line mode */
BOOL recurse_dir = NO; /* recurse dirs when searching for src files */
char *namefile; /* file of file names */
-BOOL ogs; /* display OGS book and subsystem names */
+BOOL ogs = NO; /* display OGS book and subsystem names */
char *prependpath; /* prepend path to file names */
FILE *refsfound; /* references found file */
char temp1[PATHLEN + 1]; /* temporary file name */
@@ -99,11 +99,14 @@ char tempstring[TEMPSTRING_LEN + 1]; /* use this as a buffer, instead of 'yytext
* which had better be left alone */
char *tmpdir; /* temporary directory */
+static char path[PATHLEN + 1]; /* file path */
/* Internal prototypes: */
static void skiplist(FILE *oldrefs);
static void initcompress(void);
static inline void readenv(void);
+static inline void linemode_event_loop(void);
+static inline void screenmode_event_loop(void);
#if defined(KEY_RESIZE) && !defined(__DJGPP__)
void
@@ -115,21 +118,51 @@ sigwinch_handler(int sig, siginfo_t *info, void *unused)
}
#endif
+static
+inline
+void
+siginit(void){
+ /* if running in the foreground */
+ if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
+ /* cleanup on the interrupt and quit signals */
+ signal(SIGINT, myexit);
+ signal(SIGQUIT, myexit);
+ }
+ /* cleanup on the hangup signal */
+ signal(SIGHUP, myexit);
+
+ /* ditto the TERM signal */
+ signal(SIGTERM, myexit);
+
+ /* ignore PIPE signal, so myexit() will have a chance to clean up in
+ * linemode, while in curses mode the "|" command can cause a pipe signal
+ * too
+ */
+ signal(SIGPIPE, SIG_IGN);
+
+ if (linemode == NO) {
+ signal(SIGINT, SIG_IGN); /* ignore interrupts */
+#if defined(KEY_RESIZE) && !defined(__DJGPP__)
+ struct sigaction winch_action;
+
+ winch_action.sa_sigaction = sigwinch_handler;
+ sigemptyset(&winch_action.sa_mask);
+ winch_action.sa_flags = SA_SIGINFO;
+ sigaction(SIGWINCH,&winch_action,NULL);
+#endif
+ }
+}
+
int
main(int argc, char **argv)
{
FILE *names; /* name file pointer */
int oldnum; /* number in old cross-ref */
- char path[PATHLEN + 1]; /* file path */
FILE *oldrefs; /* old cross-reference file */
char *s;
- int c;
unsigned int i;
pid_t pid;
struct stat stat_buf;
-#if defined(KEY_RESIZE) && !defined(__DJGPP__)
- struct sigaction winch_action;
-#endif
mode_t orig_umask;
yyin = stdin;
@@ -175,24 +208,6 @@ main(int argc, char **argv)
snprintf(temp1, sizeof(temp1), "%s/cscope.1", tempdirpv);
snprintf(temp2, sizeof(temp2), "%s/cscope.2", tempdirpv);
- /* if running in the foreground */
- if (signal(SIGINT, SIG_IGN) != SIG_IGN) {
- /* cleanup on the interrupt and quit signals */
- signal(SIGINT, myexit);
- signal(SIGQUIT, myexit);
- }
- /* cleanup on the hangup signal */
- signal(SIGHUP, myexit);
-
- /* ditto the TERM signal */
- signal(SIGTERM, myexit);
-
- /* ignore PIPE signal, so myexit() will have a chance to clean up in
- * linemode, while in curses mode the "|" command can cause a pipe signal
- * too
- */
- signal(SIGPIPE, SIG_IGN);
-
/* if the database path is relative and it can't be created */
if (reffile[0] != '/' && access(".", WRITE) != 0) {
@@ -212,20 +227,12 @@ main(int argc, char **argv)
}
}
+ siginit();
+
if (linemode == NO) {
- signal(SIGINT, SIG_IGN); /* ignore interrupts */
-
-#if defined(KEY_RESIZE) && !defined(__DJGPP__)
- winch_action.sa_sigaction = sigwinch_handler;
- sigemptyset(&winch_action.sa_mask);
- winch_action.sa_flags = SA_SIGINFO;
- sigaction(SIGWINCH,&winch_action,NULL);
-#endif
-
- dispinit(); /* initialize display parameters */
- setfield(); /* set the initial cursor position */
- clearmsg(); /* clear any build progress message */
- display(); /* display the version number and input fields */
+ dispinit(); /* initialize display parameters */
+ clearmsg(); /* clear any build progress message */
+ display(); /* display the version number and input fields */
}
@@ -248,7 +255,7 @@ main(int argc, char **argv)
invertedindex = NO;
/* see if there are options in the database */
- for (;;) {
+ for (int c;;) {
getc(oldrefs); /* skip the blank */
if ((c = getc(oldrefs)) != '-') {
ungetc(c, oldrefs);
@@ -385,13 +392,16 @@ main(int argc, char **argv)
/* build the cross-reference */
initcompress();
- if (linemode == NO || verbosemode == YES) /* display if verbose as well */
+ if (linemode == NO || verbosemode == YES) { /* display if verbose as well */
postmsg("Building cross-reference...");
+ }
build();
- if (linemode == NO )
+ if (linemode == NO ) {
clearmsg(); /* clear any build progress message */
+ }
if (buildonly == YES) {
myexit(0);
+ /* NOTREACHED */
}
}
opendatabase();
@@ -399,102 +409,7 @@ main(int argc, char **argv)
/* if using the line oriented user interface so cscope can be a
subprocess to emacs or samuel */
if (linemode == YES) {
- if (*Pattern != '\0') { /* do any optional search */
- if (search() == YES) {
- /* print the total number of lines in
- * verbose mode */
- if (verbosemode == YES)
- printf("cscope: %d lines\n",
- totallines);
-
- while ((c = getc(refsfound)) != EOF)
- putchar(c);
- }
- }
- if (onesearch == YES)
- myexit(0);
-
- for (;;) {
- char buf[PATLEN + 2];
-
- printf(">> ");
- fflush(stdout);
- if (fgets(buf, sizeof(buf), stdin) == NULL) {
- myexit(0);
- }
- /* remove any trailing newline character */
- if (*(s = buf + strlen(buf) - 1) == '\n') {
- *s = '\0';
- }
- switch (*buf) {
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9': /* samuel only */
- field = *buf - '0';
- strcpy(Pattern, buf + 1);
- if (search() == NO) {
- printf("Unable to search database\n");
- } else {
- printf("cscope: %d lines\n", totallines);
- while ((c = getc(refsfound)) != EOF) {
- putchar(c);
- }
- }
- break;
-
- case 'c': /* toggle caseless mode */
- case ctrl('C'):
- if (caseless == NO) {
- caseless = YES;
- } else {
- caseless = NO;
- }
- egrepcaseless(caseless);
- break;
-
- case 'r': /* rebuild database cscope style */
- case ctrl('R'):
- freefilelist();
- makefilelist();
- /* FALLTHROUGH */
-
- case 'R': /* rebuild database samuel style */
- rebuild();
- putchar('\n');
- break;
-
- case 'C': /* clear file names */
- freefilelist();
- putchar('\n');
- break;
-
- case 'F': /* add a file name */
- strcpy(path, buf + 1);
- if (infilelist(path) == NO &&
- (s = inviewpath(path)) != NULL) {
- addsrcfile(s);
- }
- putchar('\n');
- break;
-
- case 'q': /* quit */
- case ctrl('D'):
- case ctrl('Z'):
- myexit(0);
-
- default:
- fprintf(stderr, "cscope: unknown command '%s'\n", buf);
- break;
- }
- }
- /* NOTREACHED */
+ linemode_event_loop();
}
/* pause before clearing the screen if there have been error messages */
if (errorsfound == YES) {
@@ -503,29 +418,13 @@ main(int argc, char **argv)
}
/* do any optional search */
if (*Pattern != '\0') {
- atfield(); /* move to the input field */
command(ctrl('Y')); /* search */
} else if (reflines != NULL) {
/* read any symbol reference lines file */
readrefs(reflines);
}
- display(); /* update the display */
- for (;;) {
- c = mygetch();
-
- /* exit if the quit command is entered */
- if (c == EOF || c == ctrl('D')) {
- break;
- }
- if (c == ctrl('Z')) {
- kill(0, SIGTSTP);
- continue;
- }
-
- command(c);
- display();
- }
+ screenmode_event_loop();
/* cleanup and exit */
myexit(0);
/* NOTREACHED */
@@ -672,3 +571,126 @@ static inline void readenv(void){
lineflagafterfile = getenv("CSCOPE_LINEFLAG_AFTER_FILE") ? 1 : 0;
tmpdir = mygetenv("TMPDIR", TMPDIR);
}
+
+static inline void linemode_event_loop(void){
+ int c;
+
+ if (*Pattern != '\0') { /* do any optional search */
+ if (search() == YES) {
+ /* print the total number of lines in
+ * verbose mode */
+ if (verbosemode == YES)
+ printf("cscope: %d lines\n",
+ totallines);
+
+ while ((c = getc(refsfound)) != EOF)
+ putchar(c);
+ }
+ }
+ if (onesearch == YES) {
+ myexit(0);
+ /* NOTREACHED */
+ }
+
+ for (char *s;;) {
+ char buf[PATLEN + 2];
+
+ printf(">> ");
+ fflush(stdout);
+ if (fgets(buf, sizeof(buf), stdin) == NULL) {
+ myexit(0);
+ }
+ /* remove any trailing newline character */
+ if (*(s = buf + strlen(buf) - 1) == '\n') {
+ *s = '\0';
+ }
+ switch (*buf) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9': /* samuel only */
+ field = *buf - '0';
+ strcpy(Pattern, buf + 1);
+ if (search() == NO) {
+ printf("Unable to search database\n");
+ } else {
+ printf("cscope: %d lines\n", totallines);
+ while ((c = getc(refsfound)) != EOF) {
+ putchar(c);
+ }
+ }
+ break;
+
+ case 'c': /* toggle caseless mode */
+ case ctrl('C'):
+ if (caseless == NO) {
+ caseless = YES;
+ } else {
+ caseless = NO;
+ }
+ egrepcaseless(caseless);
+ break;
+
+ case 'r': /* rebuild database cscope style */
+ case ctrl('R'):
+ freefilelist();
+ makefilelist();
+ /* FALLTHROUGH */
+
+ case 'R': /* rebuild database samuel style */
+ rebuild();
+ putchar('\n');
+ break;
+
+ case 'C': /* clear file names */
+ freefilelist();
+ putchar('\n');
+ break;
+
+ case 'F': /* add a file name */
+ strcpy(path, buf + 1);
+ if (infilelist(path) == NO &&
+ (s = inviewpath(path)) != NULL) {
+ addsrcfile(s);
+ }
+ putchar('\n');
+ break;
+
+ case 'q': /* quit */
+ case ctrl('D'):
+ case ctrl('Z'):
+ myexit(0);
+
+ default:
+ fprintf(stderr, "cscope: unknown command '%s'\n", buf);
+ break;
+ }
+ }
+}
+
+static inline void screenmode_event_loop(void){
+ int c;
+
+ for (;;) {
+ display();
+
+ c = mygetch();
+
+ /* exit if the quit command is entered */
+ if (c == EOF || c == ctrl('D')) {
+ break;
+ }
+ if (c == ctrl('Z')) {
+ kill(0, SIGTSTP);
+ continue;
+ }
+
+ command(c);
+ }
+}