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vi: add ":prev" command support

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function                                             old     new   delta
colon                                               2844    2891     +47
vi_main                                              243     255     +12
text_yank                                             54      56      +2
refresh                                              780     774      -6

Signed-off-by: Dennis Groenen <tj.groenen@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Dennis Groenen 2012-01-31 14:12:38 +01:00 committed by Denys Vlasenko
parent 800a9a056a
commit c0657e0d0a
1 changed files with 18 additions and 11 deletions
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29
editors/vi.c
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@ -278,7 +278,6 @@ struct globals {
smallint cmd_mode; // 0=command 1=insert 2=replace
int file_modified; // buffer contents changed (counter, not flag!)
int last_file_modified; // = -1;
int fn_start; // index of first cmd line file name
int save_argc; // how many file names on cmd line
int cmdcnt; // repetition count
unsigned rows, columns; // the terminal screen is this size
@ -363,7 +362,6 @@ struct globals {
#define cmd_mode (G.cmd_mode )
#define file_modified (G.file_modified )
#define last_file_modified (G.last_file_modified )
#define fn_start (G.fn_start )
#define save_argc (G.save_argc )
#define cmdcnt (G.cmdcnt )
#define rows (G.rows )
@ -599,9 +597,10 @@ int vi_main(int argc, char **argv)
}
// The argv array can be used by the ":next" and ":rewind" commands
// save optind.
fn_start = optind; // remember first file name for :next and :rew
argv += optind;
argc -= optind;
save_argc = argc;
optind = 0;
//----- This is the main file handling loop --------------
while (1) {
@ -1021,7 +1020,7 @@ static void colon(char *buf)
} else if (strncmp(cmd, "edit", i) == 0) { // Edit a file
// don't edit, if the current file has been modified
if (file_modified && !useforce) {
status_line_bold("No write since last change (:edit! overrides)");
status_line_bold("No write since last change (:%s! overrides)", cmd);
goto ret;
}
if (args[0]) {
@ -1111,11 +1110,12 @@ static void colon(char *buf)
Hit_Return();
} else if (strncmp(cmd, "quit", i) == 0 // quit
|| strncmp(cmd, "next", i) == 0 // edit next file
|| strncmp(cmd, "prev", i) == 0 // edit previous file
) {
int n;
if (useforce) {
// force end of argv list
if (*cmd == 'q') {
// force end of argv list
optind = save_argc;
}
editing = 0;
@ -1123,8 +1123,7 @@ static void colon(char *buf)
}
// don't exit if the file been modified
if (file_modified) {
status_line_bold("No write since last change (:%s! overrides)",
(*cmd == 'q' ? "quit" : "next"));
status_line_bold("No write since last change (:%s! overrides)", cmd);
goto ret;
}
// are there other file to edit
@ -1137,6 +1136,14 @@ static void colon(char *buf)
status_line_bold("No more files to edit");
goto ret;
}
if (*cmd == 'p') {
// are there previous files to edit
if (optind < 1) {
status_line_bold("No previous files to edit");
goto ret;
}
optind -= 2;
}
editing = 0;
} else if (strncmp(cmd, "read", i) == 0) { // read file into text[]
fn = args;
@ -1172,10 +1179,10 @@ static void colon(char *buf)
}
} else if (strncmp(cmd, "rewind", i) == 0) { // rewind cmd line args
if (file_modified && !useforce) {
status_line_bold("No write since last change (:rewind! overrides)");
status_line_bold("No write since last change (:%s! overrides)", cmd);
} else {
// reset the filenames to edit
optind = fn_start - 1;
optind = -1; /* start from 0th file */
editing = 0;
}
#if ENABLE_FEATURE_VI_SET
@ -3507,7 +3514,7 @@ static void do_cmd(int c)
|| strncmp(p, "q!", cnt) == 0 // delete lines
) {
if (file_modified && p[1] != '!') {
status_line_bold("No write since last change (:quit! overrides)");
status_line_bold("No write since last change (:%s! overrides)", p);
} else {
editing = 0;
}