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| author | Dennis Groenen | 2012-01-31 14:12:38 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2012-01-31 14:12:38 +0100 |
| commit | c0657e0d0a3a818e2c857f99f0b0ddf936324fdb (patch) | |
| tree | 1641e9b0f481fcc9089f2ae981c4f975b54dd7a8 /editors | |
| parent | 800a9a056a3703b4001bf55ebc30b1c14cf55acc (diff) | |
| download | busybox-c0657e0d0a3a818e2c857f99f0b0ddf936324fdb.zip busybox-c0657e0d0a3a818e2c857f99f0b0ddf936324fdb.tar.gz | |
vi: add ":prev" command support
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>
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/vi.c | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/editors/vi.c b/editors/vi.c index f7b9f38..b4ad12e 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -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; } |