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authorAaron Lehmann2002-08-21 13:02:24 +0000
committerAaron Lehmann2002-08-21 13:02:24 +0000
commit6fdacc74f0d18c9eba84ec827d1a56c087a415a1 (patch)
tree9d4582ea669699deb5f94ace6971b5ae35b509a6 /editors
parenta95e99e6f34fb95b3285a7dbecdedf9e1eb5b9c1 (diff)
downloadbusybox-6fdacc74f0d18c9eba84ec827d1a56c087a415a1.zip
busybox-6fdacc74f0d18c9eba84ec827d1a56c087a415a1.tar.gz
vi inlining
Diffstat (limited to 'editors')
-rw-r--r--editors/vi.c1756
1 files changed, 878 insertions, 878 deletions
diff --git a/editors/vi.c b/editors/vi.c
index ad6dd5c..ce6c3d8 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -19,7 +19,7 @@
*/
static const char vi_Version[] =
- "$Id: vi.c,v 1.22 2002/07/31 21:22:21 sandman Exp $";
+ "$Id: vi.c,v 1.23 2002/08/21 13:02:24 aaronl Exp $";
/*
* To compile for standalone use:
@@ -202,7 +202,7 @@ static void do_cmd(Byte); // execute a command
static void sync_cursor(Byte *, int *, int *); // synchronize the screen cursor to dot
static Byte *begin_line(Byte *); // return pointer to cur line B-o-l
static Byte *end_line(Byte *); // return pointer to cur line E-o-l
-static Byte *dollar_line(Byte *); // return pointer to just before NL
+extern inline Byte *dollar_line(Byte *); // return pointer to just before NL
static Byte *prev_line(Byte *); // return pointer to prev line B-o-l
static Byte *next_line(Byte *); // return pointer to next line B-o-l
static Byte *end_screen(void); // get pointer to last char on screen
@@ -232,7 +232,7 @@ static Byte *text_hole_delete(Byte *, Byte *); // at "p", delete a 'size' byte h
static Byte *text_hole_make(Byte *, int); // at "p", make a 'size' byte hole
static Byte *yank_delete(Byte *, Byte *, int, int); // yank text[] into register then delete
static void show_help(void); // display some help info
-static void print_literal(Byte *, Byte *); // copy s to buf, convert unprintable
+extern inline void print_literal(Byte *, Byte *); // copy s to buf, convert unprintable
static void rawmode(void); // set "raw" mode on tty
static void cookmode(void); // return to "cooked" mode on tty
static int mysleep(int); // sleep for 'h' 1/100 seconds
@@ -296,7 +296,7 @@ static Byte *string_insert(Byte *, Byte *); // insert the string at 'p'
static Byte *text_yank(Byte *, Byte *, int); // save copy of "p" into a register
static Byte what_reg(void); // what is letter of current YDreg
static void check_context(Byte); // remember context for '' command
-static Byte *swap_context(Byte *); // goto new context for '' command
+extern inline Byte *swap_context(Byte *); // goto new context for '' command
#endif /* CONFIG_FEATURE_VI_YANKMARK */
#ifdef CONFIG_FEATURE_VI_CRASHME
static void crash_dummy();
@@ -758,877 +758,6 @@ static void crash_test()
}
#endif /* CONFIG_FEATURE_VI_CRASHME */
-//---------------------------------------------------------------------
-//----- the Ascii Chart -----------------------------------------------
-//
-// 00 nul 01 soh 02 stx 03 etx 04 eot 05 enq 06 ack 07 bel
-// 08 bs 09 ht 0a nl 0b vt 0c np 0d cr 0e so 0f si
-// 10 dle 11 dc1 12 dc2 13 dc3 14 dc4 15 nak 16 syn 17 etb
-// 18 can 19 em 1a sub 1b esc 1c fs 1d gs 1e rs 1f us
-// 20 sp 21 ! 22 " 23 # 24 $ 25 % 26 & 27 '
-// 28 ( 29 ) 2a * 2b + 2c , 2d - 2e . 2f /
-// 30 0 31 1 32 2 33 3 34 4 35 5 36 6 37 7
-// 38 8 39 9 3a : 3b ; 3c < 3d = 3e > 3f ?
-// 40 @ 41 A 42 B 43 C 44 D 45 E 46 F 47 G
-// 48 H 49 I 4a J 4b K 4c L 4d M 4e N 4f O
-// 50 P 51 Q 52 R 53 S 54 T 55 U 56 V 57 W
-// 58 X 59 Y 5a Z 5b [ 5c \ 5d ] 5e ^ 5f _
-// 60 ` 61 a 62 b 63 c 64 d 65 e 66 f 67 g
-// 68 h 69 i 6a j 6b k 6c l 6d m 6e n 6f o
-// 70 p 71 q 72 r 73 s 74 t 75 u 76 v 77 w
-// 78 x 79 y 7a z 7b { 7c | 7d } 7e ~ 7f del
-//---------------------------------------------------------------------
-
-//----- Execute a Vi Command -----------------------------------
-static void do_cmd(Byte c)
-{
- Byte c1, *p, *q, *msg, buf[9], *save_dot;
- int cnt, i, j, dir, yf;
-
- c1 = c; // quiet the compiler
- cnt = yf = dir = 0; // quiet the compiler
- p = q = save_dot = msg = buf; // quiet the compiler
- memset(buf, '\0', 9); // clear buf
-
- /* if this is a cursor key, skip these checks */
- switch (c) {
- case VI_K_UP:
- case VI_K_DOWN:
- case VI_K_LEFT:
- case VI_K_RIGHT:
- case VI_K_HOME:
- case VI_K_END:
- case VI_K_PAGEUP:
- case VI_K_PAGEDOWN:
- goto key_cmd_mode;
- }
-
- if (cmd_mode == 2) {
- // we are 'R'eplacing the current *dot with new char
- if (*dot == '\n') {
- // don't Replace past E-o-l
- cmd_mode = 1; // convert to insert
- } else {
- if (1 <= c && c <= 127) { // only ASCII chars
- if (c != 27)
- dot = yank_delete(dot, dot, 0, YANKDEL); // delete char
- dot = char_insert(dot, c); // insert new char
- }
- goto dc1;
- }
- }
- if (cmd_mode == 1) {
- // hitting "Insert" twice means "R" replace mode
- if (c == VI_K_INSERT) goto dc5;
- // insert the char c at "dot"
- if (1 <= c && c <= 127) {
- dot = char_insert(dot, c); // only ASCII chars
- }
- goto dc1;
- }
-
-key_cmd_mode:
- switch (c) {
- //case 0x01: // soh
- //case 0x09: // ht
- //case 0x0b: // vt
- //case 0x0e: // so
- //case 0x0f: // si
- //case 0x10: // dle
- //case 0x11: // dc1
- //case 0x13: // dc3
-#ifdef CONFIG_FEATURE_VI_CRASHME
- case 0x14: // dc4 ctrl-T
- crashme = (crashme == 0) ? 1 : 0;
- break;
-#endif /* CONFIG_FEATURE_VI_CRASHME */
- //case 0x16: // syn
- //case 0x17: // etb
- //case 0x18: // can
- //case 0x1c: // fs
- //case 0x1d: // gs
- //case 0x1e: // rs
- //case 0x1f: // us
- //case '!': // !-
- //case '#': // #-
- //case '&': // &-
- //case '(': // (-
- //case ')': // )-
- //case '*': // *-
- //case ',': // ,-
- //case '=': // =-
- //case '@': // @-
- //case 'F': // F-
- //case 'K': // K-
- //case 'Q': // Q-
- //case 'S': // S-
- //case 'T': // T-
- //case 'V': // V-
- //case '[': // [-
- //case '\\': // \-
- //case ']': // ]-
- //case '_': // _-
- //case '`': // `-
- //case 'g': // g-
- //case 'u': // u- FIXME- there is no undo
- //case 'v': // v-
- default: // unrecognised command
- buf[0] = c;
- buf[1] = '\0';
- if (c <= ' ') {
- buf[0] = '^';
- buf[1] = c + '@';
- buf[2] = '\0';
- }
- ni((Byte *) buf);
- end_cmd_q(); // stop adding to q
- case 0x00: // nul- ignore
- break;
- case 2: // ctrl-B scroll up full screen
- case VI_K_PAGEUP: // Cursor Key Page Up
- dot_scroll(rows - 2, -1);
- break;
-#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
- case 0x03: // ctrl-C interrupt
- longjmp(restart, 1);
- break;
- case 26: // ctrl-Z suspend
- suspend_sig(SIGTSTP);
- break;
-#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
- case 4: // ctrl-D scroll down half screen
- dot_scroll((rows - 2) / 2, 1);
- break;
- case 5: // ctrl-E scroll down one line
- dot_scroll(1, 1);
- break;
- case 6: // ctrl-F scroll down full screen
- case VI_K_PAGEDOWN: // Cursor Key Page Down
- dot_scroll(rows - 2, 1);
- break;
- case 7: // ctrl-G show current status
- edit_status();
- break;
- case 'h': // h- move left
- case VI_K_LEFT: // cursor key Left
- case 8: // ctrl-H- move left (This may be ERASE char)
- case 127: // DEL- move left (This may be ERASE char)
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_left();
- break;
- case 10: // Newline ^J
- case 'j': // j- goto next line, same col
- case VI_K_DOWN: // cursor key Down
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_next(); // go to next B-o-l
- dot = move_to_col(dot, ccol + offset); // try stay in same col
- break;
- case 12: // ctrl-L force redraw whole screen
- case 18: // ctrl-R force redraw
- place_cursor(0, 0, FALSE); // put cursor in correct place
- clear_to_eos(); // tel terminal to erase display
- (void) mysleep(10);
- screen_erase(); // erase the internal screen buffer
- refresh(TRUE); // this will redraw the entire display
- break;
- case 13: // Carriage Return ^M
- case '+': // +- goto next line
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_next();
- dot_skip_over_ws();
- break;
- case 21: // ctrl-U scroll up half screen
- dot_scroll((rows - 2) / 2, -1);
- break;
- case 25: // ctrl-Y scroll up one line
- dot_scroll(1, -1);
- break;
- case 27: // esc
- if (cmd_mode == 0)
- indicate_error(c);
- cmd_mode = 0; // stop insrting
- end_cmd_q();
- *status_buffer = '\0'; // clear status buffer
- break;
- case ' ': // move right
- case 'l': // move right
- case VI_K_RIGHT: // Cursor Key Right
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_right();
- break;
-#ifdef CONFIG_FEATURE_VI_YANKMARK
- case '"': // "- name a register to use for Delete/Yank
- c1 = get_one_char();
- c1 = tolower(c1);
- if (islower(c1)) {
- YDreg = c1 - 'a';
- } else {
- indicate_error(c);
- }
- break;
- case '\'': // '- goto a specific mark
- c1 = get_one_char();
- c1 = tolower(c1);
- if (islower(c1)) {
- c1 = c1 - 'a';
- // get the b-o-l
- q = mark[(int) c1];
- if (text <= q && q < end) {
- dot = q;
- dot_begin(); // go to B-o-l
- dot_skip_over_ws();
- }
- } else if (c1 == '\'') { // goto previous context
- dot = swap_context(dot); // swap current and previous context
- dot_begin(); // go to B-o-l
- dot_skip_over_ws();
- } else {
- indicate_error(c);
- }
- break;
- case 'm': // m- Mark a line
- // this is really stupid. If there are any inserts or deletes
- // between text[0] and dot then this mark will not point to the
- // correct location! It could be off by many lines!
- // Well..., at least its quick and dirty.
- c1 = get_one_char();
- c1 = tolower(c1);
- if (islower(c1)) {
- c1 = c1 - 'a';
- // remember the line
- mark[(int) c1] = dot;
- } else {
- indicate_error(c);
- }
- break;
- case 'P': // P- Put register before
- case 'p': // p- put register after
- p = reg[YDreg];
- if (p == 0) {
- psbs("Nothing in register %c", what_reg());
- break;
- }
- // are we putting whole lines or strings
- if (strchr((char *) p, '\n') != NULL) {
- if (c == 'P') {
- dot_begin(); // putting lines- Put above
- }
- if (c == 'p') {
- // are we putting after very last line?
- if (end_line(dot) == (end - 1)) {
- dot = end; // force dot to end of text[]
- } else {
- dot_next(); // next line, then put before
- }
- }
- } else {
- if (c == 'p')
- dot_right(); // move to right, can move to NL
- }
- dot = string_insert(dot, p); // insert the string
- end_cmd_q(); // stop adding to q
- break;
- case 'U': // U- Undo; replace current line with original version
- if (reg[Ureg] != 0) {
- p = begin_line(dot);
- q = end_line(dot);
- p = text_hole_delete(p, q); // delete cur line
- p = string_insert(p, reg[Ureg]); // insert orig line
- dot = p;
- dot_skip_over_ws();
- }
- break;
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
- case '$': // $- goto end of line
- case VI_K_END: // Cursor Key End
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot = end_line(dot + 1);
- break;
- case '%': // %- find matching char of pair () [] {}
- for (q = dot; q < end && *q != '\n'; q++) {
- if (strchr("()[]{}", *q) != NULL) {
- // we found half of a pair
- p = find_pair(q, *q);
- if (p == NULL) {
- indicate_error(c);
- } else {
- dot = p;
- }
- break;
- }
- }
- if (*q == '\n')
- indicate_error(c);
- break;
- case 'f': // f- forward to a user specified char
- last_forward_char = get_one_char(); // get the search char
- //
- // dont seperate these two commands. 'f' depends on ';'
- //
- //**** fall thru to ... 'i'
- case ';': // ;- look at rest of line for last forward char
- if (cmdcnt-- > 1) {
- do_cmd(';');
- } // repeat cnt
- if (last_forward_char == 0) break;
- q = dot + 1;
- while (q < end - 1 && *q != '\n' && *q != last_forward_char) {
- q++;
- }
- if (*q == last_forward_char)
- dot = q;
- break;
- case '-': // -- goto prev line
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_prev();
- dot_skip_over_ws();
- break;
-#ifdef CONFIG_FEATURE_VI_DOT_CMD
- case '.': // .- repeat the last modifying command
- // Stuff the last_modifying_cmd back into stdin
- // and let it be re-executed.
- if (last_modifying_cmd != 0) {
- ioq = ioq_start = (Byte *) xstrdup((char *) last_modifying_cmd);
- }
- break;
-#endif /* CONFIG_FEATURE_VI_DOT_CMD */
-#ifdef CONFIG_FEATURE_VI_SEARCH
- case '?': // /- search for a pattern
- case '/': // /- search for a pattern
- buf[0] = c;
- buf[1] = '\0';
- q = get_input_line(buf); // get input line- use "status line"
- if (strlen((char *) q) == 1)
- goto dc3; // if no pat re-use old pat
- if (strlen((char *) q) > 1) { // new pat- save it and find
- // there is a new pat
- if (last_search_pattern != 0) {
- free(last_search_pattern);
- }
- last_search_pattern = (Byte *) xstrdup((char *) q);
- goto dc3; // now find the pattern
- }
- // user changed mind and erased the "/"- do nothing
- break;
- case 'N': // N- backward search for last pattern
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dir = BACK; // assume BACKWARD search
- p = dot - 1;
- if (last_search_pattern[0] == '?') {
- dir = FORWARD;
- p = dot + 1;
- }
- goto dc4; // now search for pattern
- break;
- case 'n': // n- repeat search for last pattern
- // search rest of text[] starting at next char
- // if search fails return orignal "p" not the "p+1" address
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dc3:
- if (last_search_pattern == 0) {
- msg = (Byte *) "No previous regular expression";
- goto dc2;
- }
- if (last_search_pattern[0] == '/') {
- dir = FORWARD; // assume FORWARD search
- p = dot + 1;
- }
- if (last_search_pattern[0] == '?') {
- dir = BACK;
- p = dot - 1;
- }
- dc4:
- q = char_search(p, last_search_pattern + 1, dir, FULL);
- if (q != NULL) {
- dot = q; // good search, update "dot"
- msg = (Byte *) "";
- goto dc2;
- }
- // no pattern found between "dot" and "end"- continue at top
- p = text;
- if (dir == BACK) {
- p = end - 1;
- }
- q = char_search(p, last_search_pattern + 1, dir, FULL);
- if (q != NULL) { // found something
- dot = q; // found new pattern- goto it
- msg = (Byte *) "search hit BOTTOM, continuing at TOP";
- if (dir == BACK) {
- msg = (Byte *) "search hit TOP, continuing at BOTTOM";
- }
- } else {
- msg = (Byte *) "Pattern not found";
- }
- dc2:
- psbs("%s", msg);
- break;
- case '{': // {- move backward paragraph
- q = char_search(dot, (Byte *) "\n\n", BACK, FULL);
- if (q != NULL) { // found blank line
- dot = next_line(q); // move to next blank line
- }
- break;
- case '}': // }- move forward paragraph
- q = char_search(dot, (Byte *) "\n\n", FORWARD, FULL);
- if (q != NULL) { // found blank line
- dot = next_line(q); // move to next blank line
- }
- break;
-#endif /* CONFIG_FEATURE_VI_SEARCH */
- case '0': // 0- goto begining of line
- case '1': // 1-
- case '2': // 2-
- case '3': // 3-
- case '4': // 4-
- case '5': // 5-
- case '6': // 6-
- case '7': // 7-
- case '8': // 8-
- case '9': // 9-
- if (c == '0' && cmdcnt < 1) {
- dot_begin(); // this was a standalone zero
- } else {
- cmdcnt = cmdcnt * 10 + (c - '0'); // this 0 is part of a number
- }
- break;
- case ':': // :- the colon mode commands
- p = get_input_line((Byte *) ":"); // get input line- use "status line"
-#ifdef CONFIG_FEATURE_VI_COLON
- colon(p); // execute the command
-#else /* CONFIG_FEATURE_VI_COLON */
- if (*p == ':')
- p++; // move past the ':'
- cnt = strlen((char *) p);
- if (cnt <= 0)
- break;
- if (strncasecmp((char *) p, "quit", cnt) == 0 ||
- strncasecmp((char *) p, "q!", cnt) == 0) { // delete lines
- if (file_modified && p[1] != '!') {
- psbs("No write since last change (:quit! overrides)");
- } else {
- editing = 0;
- }
- } else if (strncasecmp((char *) p, "write", cnt) == 0 ||
- strncasecmp((char *) p, "wq", cnt) == 0 ||
- strncasecmp((char *) p, "x", cnt) == 0) {
- cnt = file_write(cfn, text, end - 1);
- file_modified = FALSE;
- psb("\"%s\" %dL, %dC", cfn, count_lines(text, end - 1), cnt);
- if (p[0] == 'x' || p[1] == 'q') {
- editing = 0;
- }
- } else if (strncasecmp((char *) p, "file", cnt) == 0 ) {
- edit_status(); // show current file status
- } else if (sscanf((char *) p, "%d", &j) > 0) {
- dot = find_line(j); // go to line # j
- dot_skip_over_ws();
- } else { // unrecognised cmd
- ni((Byte *) p);
- }
-#endif /* CONFIG_FEATURE_VI_COLON */
- break;
- case '<': // <- Left shift something
- case '>': // >- Right shift something
- cnt = count_lines(text, dot); // remember what line we are on
- c1 = get_one_char(); // get the type of thing to delete
- find_range(&p, &q, c1);
- (void) yank_delete(p, q, 1, YANKONLY); // save copy before change
- p = begin_line(p);
- q = end_line(q);
- i = count_lines(p, q); // # of lines we are shifting
- for ( ; i > 0; i--, p = next_line(p)) {
- if (c == '<') {
- // shift left- remove tab or 8 spaces
- if (*p == '\t') {
- // shrink buffer 1 char
- (void) text_hole_delete(p, p);
- } else if (*p == ' ') {
- // we should be calculating columns, not just SPACE
- for (j = 0; *p == ' ' && j < tabstop; j++) {
- (void) text_hole_delete(p, p);
- }
- }
- } else if (c == '>') {
- // shift right -- add tab or 8 spaces
- (void) char_insert(p, '\t');
- }
- }
- dot = find_line(cnt); // what line were we on
- dot_skip_over_ws();
- end_cmd_q(); // stop adding to q
- break;
- case 'A': // A- append at e-o-l
- dot_end(); // go to e-o-l
- //**** fall thru to ... 'a'
- case 'a': // a- append after current char
- if (*dot != '\n')
- dot++;
- goto dc_i;
- break;
- case 'B': // B- back a blank-delimited Word
- case 'E': // E- end of a blank-delimited word
- case 'W': // W- forward a blank-delimited word
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dir = FORWARD;
- if (c == 'B')
- dir = BACK;
- if (c == 'W' || isspace(dot[dir])) {
- dot = skip_thing(dot, 1, dir, S_TO_WS);
- dot = skip_thing(dot, 2, dir, S_OVER_WS);
- }
- if (c != 'W')
- dot = skip_thing(dot, 1, dir, S_BEFORE_WS);
- break;
- case 'C': // C- Change to e-o-l
- case 'D': // D- delete to e-o-l
- save_dot = dot;
- dot = dollar_line(dot); // move to before NL
- // copy text into a register and delete
- dot = yank_delete(save_dot, dot, 0, YANKDEL); // delete to e-o-l
- if (c == 'C')
- goto dc_i; // start inserting
-#ifdef CONFIG_FEATURE_VI_DOT_CMD
- if (c == 'D')
- end_cmd_q(); // stop adding to q
-#endif /* CONFIG_FEATURE_VI_DOT_CMD */
- break;
- case 'G': // G- goto to a line number (default= E-O-F)
- dot = end - 1; // assume E-O-F
- if (cmdcnt > 0) {
- dot = find_line(cmdcnt); // what line is #cmdcnt
- }
- dot_skip_over_ws();
- break;
- case 'H': // H- goto top line on screen
- dot = screenbegin;
- if (cmdcnt > (rows - 1)) {
- cmdcnt = (rows - 1);
- }
- if (cmdcnt-- > 1) {
- do_cmd('+');
- } // repeat cnt
- dot_skip_over_ws();
- break;
- case 'I': // I- insert before first non-blank
- dot_begin(); // 0
- dot_skip_over_ws();
- //**** fall thru to ... 'i'
- case 'i': // i- insert before current char
- case VI_K_INSERT: // Cursor Key Insert
- dc_i:
- cmd_mode = 1; // start insrting
- psb("-- Insert --");
- break;
- case 'J': // J- join current and next lines together
- if (cmdcnt-- > 2) {
- do_cmd(c);
- } // repeat cnt
- dot_end(); // move to NL
- if (dot < end - 1) { // make sure not last char in text[]
- *dot++ = ' '; // replace NL with space
- while (isblnk(*dot)) { // delete leading WS
- dot_delete();
- }
- }
- end_cmd_q(); // stop adding to q
- break;
- case 'L': // L- goto bottom line on screen
- dot = end_screen();
- if (cmdcnt > (rows - 1)) {
- cmdcnt = (rows - 1);
- }
- if (cmdcnt-- > 1) {
- do_cmd('-');
- } // repeat cnt
- dot_begin();
- dot_skip_over_ws();
- break;
- case 'M': // M- goto middle line on screen
- dot = screenbegin;
- for (cnt = 0; cnt < (rows-1) / 2; cnt++)
- dot = next_line(dot);
- break;
- case 'O': // O- open a empty line above
- // 0i\n ESC -i
- p = begin_line(dot);
- if (p[-1] == '\n') {
- dot_prev();
- case 'o': // o- open a empty line below; Yes, I know it is in the middle of the "if (..."
- dot_end();
- dot = char_insert(dot, '\n');
- } else {
- dot_begin(); // 0
- dot = char_insert(dot, '\n'); // i\n ESC
- dot_prev(); // -
- }
- goto dc_i;
- break;
- case 'R': // R- continuous Replace char
- dc5:
- cmd_mode = 2;
- psb("-- Replace --");
- break;
- case 'X': // X- delete char before dot
- case 'x': // x- delete the current char
- case 's': // s- substitute the current char
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dir = 0;
- if (c == 'X')
- dir = -1;
- if (dot[dir] != '\n') {
- if (c == 'X')
- dot--; // delete prev char
- dot = yank_delete(dot, dot, 0, YANKDEL); // delete char
- }
- if (c == 's')
- goto dc_i; // start insrting
- end_cmd_q(); // stop adding to q
- break;
- case 'Z': // Z- if modified, {write}; exit
- // ZZ means to save file (if necessary), then exit
- c1 = get_one_char();
- if (c1 != 'Z') {
- indicate_error(c);
- break;
- }
- if (file_modified
-#ifdef CONFIG_FEATURE_VI_READONLY
- && ! vi_readonly
- && ! readonly
-#endif /* CONFIG_FEATURE_VI_READONLY */
- ) {
- cnt = file_write(cfn, text, end - 1);
- if (cnt == (end - 1 - text + 1)) {
- editing = 0;
- }
- } else {
- editing = 0;
- }
- break;
- case '^': // ^- move to first non-blank on line
- dot_begin();
- dot_skip_over_ws();
- break;
- case 'b': // b- back a word
- case 'e': // e- end of word
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dir = FORWARD;
- if (c == 'b')
- dir = BACK;
- if ((dot + dir) < text || (dot + dir) > end - 1)
- break;
- dot += dir;
- if (isspace(*dot)) {
- dot = skip_thing(dot, (c == 'e') ? 2 : 1, dir, S_OVER_WS);
- }
- if (isalnum(*dot) || *dot == '_') {
- dot = skip_thing(dot, 1, dir, S_END_ALNUM);
- } else if (ispunct(*dot)) {
- dot = skip_thing(dot, 1, dir, S_END_PUNCT);
- }
- break;
- case 'c': // c- change something
- case 'd': // d- delete something
-#ifdef CONFIG_FEATURE_VI_YANKMARK
- case 'y': // y- yank something
- case 'Y': // Y- Yank a line
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
- yf = YANKDEL; // assume either "c" or "d"
-#ifdef CONFIG_FEATURE_VI_YANKMARK
- if (c == 'y' || c == 'Y')
- yf = YANKONLY;
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
- c1 = 'y';
- if (c != 'Y')
- c1 = get_one_char(); // get the type of thing to delete
- find_range(&p, &q, c1);
- if (c1 == 27) { // ESC- user changed mind and wants out
- c = c1 = 27; // Escape- do nothing
- } else if (strchr("wW", c1)) {
- if (c == 'c') {
- // don't include trailing WS as part of word
- while (isblnk(*q)) {
- if (q <= text || q[-1] == '\n')
- break;
- q--;
- }
- }
- dot = yank_delete(p, q, 0, yf); // delete word
- } else if (strchr("^0bBeEft$", c1)) {
- // single line copy text into a register and delete
- dot = yank_delete(p, q, 0, yf); // delete word
- } else if (strchr("cdykjHL%+-{}\r\n", c1)) {
- // multiple line copy text into a register and delete
- dot = yank_delete(p, q, 1, yf); // delete lines
- if (c == 'c') {
- dot = char_insert(dot, '\n');
- // on the last line of file don't move to prev line
- if (dot != (end-1)) {
- dot_prev();
- }
- } else if (c == 'd') {
- dot_begin();
- dot_skip_over_ws();
- }
- } else {
- // could not recognize object
- c = c1 = 27; // error-
- indicate_error(c);
- }
- if (c1 != 27) {
- // if CHANGING, not deleting, start inserting after the delete
- if (c == 'c') {
- strcpy((char *) buf, "Change");
- goto dc_i; // start inserting
- }
- if (c == 'd') {
- strcpy((char *) buf, "Delete");
- }
-#ifdef CONFIG_FEATURE_VI_YANKMARK
- if (c == 'y' || c == 'Y') {
- strcpy((char *) buf, "Yank");
- }
- p = reg[YDreg];
- q = p + strlen((char *) p);
- for (cnt = 0; p <= q; p++) {
- if (*p == '\n')
- cnt++;
- }
- psb("%s %d lines (%d chars) using [%c]",
- buf, cnt, strlen((char *) reg[YDreg]), what_reg());
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
- end_cmd_q(); // stop adding to q
- }
- break;
- case 'k': // k- goto prev line, same col
- case VI_K_UP: // cursor key Up
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- dot_prev();
- dot = move_to_col(dot, ccol + offset); // try stay in same col
- break;
- case 'r': // r- replace the current char with user input
- c1 = get_one_char(); // get the replacement char
- if (*dot != '\n') {
- *dot = c1;
- file_modified = TRUE; // has the file been modified
- }
- end_cmd_q(); // stop adding to q
- break;
- case 't': // t- move to char prior to next x
- last_forward_char = get_one_char();
- do_cmd(';');
- if (*dot == last_forward_char)
- dot_left();
- last_forward_char= 0;
- break;
- case 'w': // w- forward a word
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- if (isalnum(*dot) || *dot == '_') { // we are on ALNUM
- dot = skip_thing(dot, 1, FORWARD, S_END_ALNUM);
- } else if (ispunct(*dot)) { // we are on PUNCT
- dot = skip_thing(dot, 1, FORWARD, S_END_PUNCT);
- }
- if (dot < end - 1)
- dot++; // move over word
- if (isspace(*dot)) {
- dot = skip_thing(dot, 2, FORWARD, S_OVER_WS);
- }
- break;
- case 'z': // z-
- c1 = get_one_char(); // get the replacement char
- cnt = 0;
- if (c1 == '.')
- cnt = (rows - 2) / 2; // put dot at center
- if (c1 == '-')
- cnt = rows - 2; // put dot at bottom
- screenbegin = begin_line(dot); // start dot at top
- dot_scroll(cnt, -1);
- break;
- case '|': // |- move to column "cmdcnt"
- dot = move_to_col(dot, cmdcnt - 1); // try to move to column
- break;
- case '~': // ~- flip the case of letters a-z -> A-Z
- if (cmdcnt-- > 1) {
- do_cmd(c);
- } // repeat cnt
- if (islower(*dot)) {
- *dot = toupper(*dot);
- file_modified = TRUE; // has the file been modified
- } else if (isupper(*dot)) {
- *dot = tolower(*dot);
- file_modified = TRUE; // has the file been modified
- }
- dot_right();
- end_cmd_q(); // stop adding to q
- break;
- //----- The Cursor and Function Keys -----------------------------
- case VI_K_HOME: // Cursor Key Home
- dot_begin();
- break;
- // The Fn keys could point to do_macro which could translate them
- case VI_K_FUN1: // Function Key F1
- case VI_K_FUN2: // Function Key F2
- case VI_K_FUN3: // Function Key F3
- case VI_K_FUN4: // Function Key F4
- case VI_K_FUN5: // Function Key F5
- case VI_K_FUN6: // Function Key F6
- case VI_K_FUN7: // Function Key F7
- case VI_K_FUN8: // Function Key F8
- case VI_K_FUN9: // Function Key F9
- case VI_K_FUN10: // Function Key F10
- case VI_K_FUN11: // Function Key F11
- case VI_K_FUN12: // Function Key F12
- break;
- }
-
- dc1:
- // if text[] just became empty, add back an empty line
- if (end == text) {
- (void) char_insert(text, '\n'); // start empty buf with dummy line
- dot = text;
- }
- // it is OK for dot to exactly equal to end, otherwise check dot validity
- if (dot != end) {
- dot = bound_dot(dot); // make sure "dot" is valid
- }
-#ifdef CONFIG_FEATURE_VI_YANKMARK
- check_context(c); // update the current context
-#endif /* CONFIG_FEATURE_VI_YANKMARK */
-
- if (!isdigit(c))
- cmdcnt = 0; // cmd was not a number, reset cmdcnt
- cnt = dot - begin_line(dot);
- // Try to stay off of the Newline
- if (*dot == '\n' && cnt > 0 && cmd_mode == 0)
- dot--;
-}
-
//----- The Colon commands -------------------------------------
#ifdef CONFIG_FEATURE_VI_COLON
static Byte *get_one_address(Byte * p, int *addr) // get colon addr, if present
@@ -2318,7 +1447,7 @@ static Byte *end_line(Byte * p) // return pointer to NL of cur line line
return (p);
}
-static Byte *dollar_line(Byte * p) // return pointer to just before NL line
+extern inline Byte *dollar_line(Byte * p) // return pointer to just before NL line
{
while (p < end - 1 && *p != '\n')
p++; // go to cur line E-o-l
@@ -3010,7 +2139,7 @@ static void show_help(void)
);
}
-static void print_literal(Byte * buf, Byte * s) // copy s to buf, convert unprintable
+extern inline void print_literal(Byte * buf, Byte * s) // copy s to buf, convert unprintable
{
Byte c, b[2];
@@ -3142,7 +2271,7 @@ static void check_context(Byte cmd)
return;
}
-static Byte *swap_context(Byte * p) // goto new context for '' command make this the current context
+extern inline Byte *swap_context(Byte * p) // goto new context for '' command make this the current context
{
Byte *tmp;
@@ -3962,3 +3091,874 @@ static void refresh(int full_screen)
if (offset != old_offset)
old_offset = offset;
}
+
+//---------------------------------------------------------------------
+//----- the Ascii Chart -----------------------------------------------
+//
+// 00 nul 01 soh 02 stx 03 etx 04 eot 05 enq 06 ack 07 bel
+// 08 bs 09 ht 0a nl 0b vt 0c np 0d cr 0e so 0f si
+// 10 dle 11 dc1 12 dc2 13 dc3 14 dc4 15 nak 16 syn 17 etb
+// 18 can 19 em 1a sub 1b esc 1c fs 1d gs 1e rs 1f us
+// 20 sp 21 ! 22 " 23 # 24 $ 25 % 26 & 27 '
+// 28 ( 29 ) 2a * 2b + 2c , 2d - 2e . 2f /
+// 30 0 31 1 32 2 33 3 34 4 35 5 36 6 37 7
+// 38 8 39 9 3a : 3b ; 3c < 3d = 3e > 3f ?
+// 40 @ 41 A 42 B 43 C 44 D 45 E 46 F 47 G
+// 48 H 49 I 4a J 4b K 4c L 4d M 4e N 4f O
+// 50 P 51 Q 52 R 53 S 54 T 55 U 56 V 57 W
+// 58 X 59 Y 5a Z 5b [ 5c \ 5d ] 5e ^ 5f _
+// 60 ` 61 a 62 b 63 c 64 d 65 e 66 f 67 g
+// 68 h 69 i 6a j 6b k 6c l 6d m 6e n 6f o
+// 70 p 71 q 72 r 73 s 74 t 75 u 76 v 77 w
+// 78 x 79 y 7a z 7b { 7c | 7d } 7e ~ 7f del
+//---------------------------------------------------------------------
+
+//----- Execute a Vi Command -----------------------------------
+static void do_cmd(Byte c)
+{
+ Byte c1, *p, *q, *msg, buf[9], *save_dot;
+ int cnt, i, j, dir, yf;
+
+ c1 = c; // quiet the compiler
+ cnt = yf = dir = 0; // quiet the compiler
+ p = q = save_dot = msg = buf; // quiet the compiler
+ memset(buf, '\0', 9); // clear buf
+
+ /* if this is a cursor key, skip these checks */
+ switch (c) {
+ case VI_K_UP:
+ case VI_K_DOWN:
+ case VI_K_LEFT:
+ case VI_K_RIGHT:
+ case VI_K_HOME:
+ case VI_K_END:
+ case VI_K_PAGEUP:
+ case VI_K_PAGEDOWN:
+ goto key_cmd_mode;
+ }
+
+ if (cmd_mode == 2) {
+ // we are 'R'eplacing the current *dot with new char
+ if (*dot == '\n') {
+ // don't Replace past E-o-l
+ cmd_mode = 1; // convert to insert
+ } else {
+ if (1 <= c && c <= 127) { // only ASCII chars
+ if (c != 27)
+ dot = yank_delete(dot, dot, 0, YANKDEL); // delete char
+ dot = char_insert(dot, c); // insert new char
+ }
+ goto dc1;
+ }
+ }
+ if (cmd_mode == 1) {
+ // hitting "Insert" twice means "R" replace mode
+ if (c == VI_K_INSERT) goto dc5;
+ // insert the char c at "dot"
+ if (1 <= c && c <= 127) {
+ dot = char_insert(dot, c); // only ASCII chars
+ }
+ goto dc1;
+ }
+
+key_cmd_mode:
+ switch (c) {
+ //case 0x01: // soh
+ //case 0x09: // ht
+ //case 0x0b: // vt
+ //case 0x0e: // so
+ //case 0x0f: // si
+ //case 0x10: // dle
+ //case 0x11: // dc1
+ //case 0x13: // dc3
+#ifdef CONFIG_FEATURE_VI_CRASHME
+ case 0x14: // dc4 ctrl-T
+ crashme = (crashme == 0) ? 1 : 0;
+ break;
+#endif /* CONFIG_FEATURE_VI_CRASHME */
+ //case 0x16: // syn
+ //case 0x17: // etb
+ //case 0x18: // can
+ //case 0x1c: // fs
+ //case 0x1d: // gs
+ //case 0x1e: // rs
+ //case 0x1f: // us
+ //case '!': // !-
+ //case '#': // #-
+ //case '&': // &-
+ //case '(': // (-
+ //case ')': // )-
+ //case '*': // *-
+ //case ',': // ,-
+ //case '=': // =-
+ //case '@': // @-
+ //case 'F': // F-
+ //case 'K': // K-
+ //case 'Q': // Q-
+ //case 'S': // S-
+ //case 'T': // T-
+ //case 'V': // V-
+ //case '[': // [-
+ //case '\\': // \-
+ //case ']': // ]-
+ //case '_': // _-
+ //case '`': // `-
+ //case 'g': // g-
+ //case 'u': // u- FIXME- there is no undo
+ //case 'v': // v-
+ default: // unrecognised command
+ buf[0] = c;
+ buf[1] = '\0';
+ if (c <= ' ') {
+ buf[0] = '^';
+ buf[1] = c + '@';
+ buf[2] = '\0';
+ }
+ ni((Byte *) buf);
+ end_cmd_q(); // stop adding to q
+ case 0x00: // nul- ignore
+ break;
+ case 2: // ctrl-B scroll up full screen
+ case VI_K_PAGEUP: // Cursor Key Page Up
+ dot_scroll(rows - 2, -1);
+ break;
+#ifdef CONFIG_FEATURE_VI_USE_SIGNALS
+ case 0x03: // ctrl-C interrupt
+ longjmp(restart, 1);
+ break;
+ case 26: // ctrl-Z suspend
+ suspend_sig(SIGTSTP);
+ break;
+#endif /* CONFIG_FEATURE_VI_USE_SIGNALS */
+ case 4: // ctrl-D scroll down half screen
+ dot_scroll((rows - 2) / 2, 1);
+ break;
+ case 5: // ctrl-E scroll down one line
+ dot_scroll(1, 1);
+ break;
+ case 6: // ctrl-F scroll down full screen
+ case VI_K_PAGEDOWN: // Cursor Key Page Down
+ dot_scroll(rows - 2, 1);
+ break;
+ case 7: // ctrl-G show current status
+ edit_status();
+ break;
+ case 'h': // h- move left
+ case VI_K_LEFT: // cursor key Left
+ case 8: // ctrl-H- move left (This may be ERASE char)
+ case 127: // DEL- move left (This may be ERASE char)
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_left();
+ break;
+ case 10: // Newline ^J
+ case 'j': // j- goto next line, same col
+ case VI_K_DOWN: // cursor key Down
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_next(); // go to next B-o-l
+ dot = move_to_col(dot, ccol + offset); // try stay in same col
+ break;
+ case 12: // ctrl-L force redraw whole screen
+ case 18: // ctrl-R force redraw
+ place_cursor(0, 0, FALSE); // put cursor in correct place
+ clear_to_eos(); // tel terminal to erase display
+ (void) mysleep(10);
+ screen_erase(); // erase the internal screen buffer
+ refresh(TRUE); // this will redraw the entire display
+ break;
+ case 13: // Carriage Return ^M
+ case '+': // +- goto next line
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_next();
+ dot_skip_over_ws();
+ break;
+ case 21: // ctrl-U scroll up half screen
+ dot_scroll((rows - 2) / 2, -1);
+ break;
+ case 25: // ctrl-Y scroll up one line
+ dot_scroll(1, -1);
+ break;
+ case 27: // esc
+ if (cmd_mode == 0)
+ indicate_error(c);
+ cmd_mode = 0; // stop insrting
+ end_cmd_q();
+ *status_buffer = '\0'; // clear status buffer
+ break;
+ case ' ': // move right
+ case 'l': // move right
+ case VI_K_RIGHT: // Cursor Key Right
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_right();
+ break;
+#ifdef CONFIG_FEATURE_VI_YANKMARK
+ case '"': // "- name a register to use for Delete/Yank
+ c1 = get_one_char();
+ c1 = tolower(c1);
+ if (islower(c1)) {
+ YDreg = c1 - 'a';
+ } else {
+ indicate_error(c);
+ }
+ break;
+ case '\'': // '- goto a specific mark
+ c1 = get_one_char();
+ c1 = tolower(c1);
+ if (islower(c1)) {
+ c1 = c1 - 'a';
+ // get the b-o-l
+ q = mark[(int) c1];
+ if (text <= q && q < end) {
+ dot = q;
+ dot_begin(); // go to B-o-l
+ dot_skip_over_ws();
+ }
+ } else if (c1 == '\'') { // goto previous context
+ dot = swap_context(dot); // swap current and previous context
+ dot_begin(); // go to B-o-l
+ dot_skip_over_ws();
+ } else {
+ indicate_error(c);
+ }
+ break;
+ case 'm': // m- Mark a line
+ // this is really stupid. If there are any inserts or deletes
+ // between text[0] and dot then this mark will not point to the
+ // correct location! It could be off by many lines!
+ // Well..., at least its quick and dirty.
+ c1 = get_one_char();
+ c1 = tolower(c1);
+ if (islower(c1)) {
+ c1 = c1 - 'a';
+ // remember the line
+ mark[(int) c1] = dot;
+ } else {
+ indicate_error(c);
+ }
+ break;
+ case 'P': // P- Put register before
+ case 'p': // p- put register after
+ p = reg[YDreg];
+ if (p == 0) {
+ psbs("Nothing in register %c", what_reg());
+ break;
+ }
+ // are we putting whole lines or strings
+ if (strchr((char *) p, '\n') != NULL) {
+ if (c == 'P') {
+ dot_begin(); // putting lines- Put above
+ }
+ if (c == 'p') {
+ // are we putting after very last line?
+ if (end_line(dot) == (end - 1)) {
+ dot = end; // force dot to end of text[]
+ } else {
+ dot_next(); // next line, then put before
+ }
+ }
+ } else {
+ if (c == 'p')
+ dot_right(); // move to right, can move to NL
+ }
+ dot = string_insert(dot, p); // insert the string
+ end_cmd_q(); // stop adding to q
+ break;
+ case 'U': // U- Undo; replace current line with original version
+ if (reg[Ureg] != 0) {
+ p = begin_line(dot);
+ q = end_line(dot);
+ p = text_hole_delete(p, q); // delete cur line
+ p = string_insert(p, reg[Ureg]); // insert orig line
+ dot = p;
+ dot_skip_over_ws();
+ }
+ break;
+#endif /* CONFIG_FEATURE_VI_YANKMARK */
+ case '$': // $- goto end of line
+ case VI_K_END: // Cursor Key End
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot = end_line(dot + 1);
+ break;
+ case '%': // %- find matching char of pair () [] {}
+ for (q = dot; q < end && *q != '\n'; q++) {
+ if (strchr("()[]{}", *q) != NULL) {
+ // we found half of a pair
+ p = find_pair(q, *q);
+ if (p == NULL) {
+ indicate_error(c);
+ } else {
+ dot = p;
+ }
+ break;
+ }
+ }
+ if (*q == '\n')
+ indicate_error(c);
+ break;
+ case 'f': // f- forward to a user specified char
+ last_forward_char = get_one_char(); // get the search char
+ //
+ // dont seperate these two commands. 'f' depends on ';'
+ //
+ //**** fall thru to ... 'i'
+ case ';': // ;- look at rest of line for last forward char
+ if (cmdcnt-- > 1) {
+ do_cmd(';');
+ } // repeat cnt
+ if (last_forward_char == 0) break;
+ q = dot + 1;
+ while (q < end - 1 && *q != '\n' && *q != last_forward_char) {
+ q++;
+ }
+ if (*q == last_forward_char)
+ dot = q;
+ break;
+ case '-': // -- goto prev line
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_prev();
+ dot_skip_over_ws();
+ break;
+#ifdef CONFIG_FEATURE_VI_DOT_CMD
+ case '.': // .- repeat the last modifying command
+ // Stuff the last_modifying_cmd back into stdin
+ // and let it be re-executed.
+ if (last_modifying_cmd != 0) {
+ ioq = ioq_start = (Byte *) xstrdup((char *) last_modifying_cmd);
+ }
+ break;
+#endif /* CONFIG_FEATURE_VI_DOT_CMD */
+#ifdef CONFIG_FEATURE_VI_SEARCH
+ case '?': // /- search for a pattern
+ case '/': // /- search for a pattern
+ buf[0] = c;
+ buf[1] = '\0';
+ q = get_input_line(buf); // get input line- use "status line"
+ if (strlen((char *) q) == 1)
+ goto dc3; // if no pat re-use old pat
+ if (strlen((char *) q) > 1) { // new pat- save it and find
+ // there is a new pat
+ if (last_search_pattern != 0) {
+ free(last_search_pattern);
+ }
+ last_search_pattern = (Byte *) xstrdup((char *) q);
+ goto dc3; // now find the pattern
+ }
+ // user changed mind and erased the "/"- do nothing
+ break;
+ case 'N': // N- backward search for last pattern
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dir = BACK; // assume BACKWARD search
+ p = dot - 1;
+ if (last_search_pattern[0] == '?') {
+ dir = FORWARD;
+ p = dot + 1;
+ }
+ goto dc4; // now search for pattern
+ break;
+ case 'n': // n- repeat search for last pattern
+ // search rest of text[] starting at next char
+ // if search fails return orignal "p" not the "p+1" address
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dc3:
+ if (last_search_pattern == 0) {
+ msg = (Byte *) "No previous regular expression";
+ goto dc2;
+ }
+ if (last_search_pattern[0] == '/') {
+ dir = FORWARD; // assume FORWARD search
+ p = dot + 1;
+ }
+ if (last_search_pattern[0] == '?') {
+ dir = BACK;
+ p = dot - 1;
+ }
+ dc4:
+ q = char_search(p, last_search_pattern + 1, dir, FULL);
+ if (q != NULL) {
+ dot = q; // good search, update "dot"
+ msg = (Byte *) "";
+ goto dc2;
+ }
+ // no pattern found between "dot" and "end"- continue at top
+ p = text;
+ if (dir == BACK) {
+ p = end - 1;
+ }
+ q = char_search(p, last_search_pattern + 1, dir, FULL);
+ if (q != NULL) { // found something
+ dot = q; // found new pattern- goto it
+ msg = (Byte *) "search hit BOTTOM, continuing at TOP";
+ if (dir == BACK) {
+ msg = (Byte *) "search hit TOP, continuing at BOTTOM";
+ }
+ } else {
+ msg = (Byte *) "Pattern not found";
+ }
+ dc2:
+ psbs("%s", msg);
+ break;
+ case '{': // {- move backward paragraph
+ q = char_search(dot, (Byte *) "\n\n", BACK, FULL);
+ if (q != NULL) { // found blank line
+ dot = next_line(q); // move to next blank line
+ }
+ break;
+ case '}': // }- move forward paragraph
+ q = char_search(dot, (Byte *) "\n\n", FORWARD, FULL);
+ if (q != NULL) { // found blank line
+ dot = next_line(q); // move to next blank line
+ }
+ break;
+#endif /* CONFIG_FEATURE_VI_SEARCH */
+ case '0': // 0- goto begining of line
+ case '1': // 1-
+ case '2': // 2-
+ case '3': // 3-
+ case '4': // 4-
+ case '5': // 5-
+ case '6': // 6-
+ case '7': // 7-
+ case '8': // 8-
+ case '9': // 9-
+ if (c == '0' && cmdcnt < 1) {
+ dot_begin(); // this was a standalone zero
+ } else {
+ cmdcnt = cmdcnt * 10 + (c - '0'); // this 0 is part of a number
+ }
+ break;
+ case ':': // :- the colon mode commands
+ p = get_input_line((Byte *) ":"); // get input line- use "status line"
+#ifdef CONFIG_FEATURE_VI_COLON
+ colon(p); // execute the command
+#else /* CONFIG_FEATURE_VI_COLON */
+ if (*p == ':')
+ p++; // move past the ':'
+ cnt = strlen((char *) p);
+ if (cnt <= 0)
+ break;
+ if (strncasecmp((char *) p, "quit", cnt) == 0 ||
+ strncasecmp((char *) p, "q!", cnt) == 0) { // delete lines
+ if (file_modified && p[1] != '!') {
+ psbs("No write since last change (:quit! overrides)");
+ } else {
+ editing = 0;
+ }
+ } else if (strncasecmp((char *) p, "write", cnt) == 0 ||
+ strncasecmp((char *) p, "wq", cnt) == 0 ||
+ strncasecmp((char *) p, "x", cnt) == 0) {
+ cnt = file_write(cfn, text, end - 1);
+ file_modified = FALSE;
+ psb("\"%s\" %dL, %dC", cfn, count_lines(text, end - 1), cnt);
+ if (p[0] == 'x' || p[1] == 'q') {
+ editing = 0;
+ }
+ } else if (strncasecmp((char *) p, "file", cnt) == 0 ) {
+ edit_status(); // show current file status
+ } else if (sscanf((char *) p, "%d", &j) > 0) {
+ dot = find_line(j); // go to line # j
+ dot_skip_over_ws();
+ } else { // unrecognised cmd
+ ni((Byte *) p);
+ }
+#endif /* CONFIG_FEATURE_VI_COLON */
+ break;
+ case '<': // <- Left shift something
+ case '>': // >- Right shift something
+ cnt = count_lines(text, dot); // remember what line we are on
+ c1 = get_one_char(); // get the type of thing to delete
+ find_range(&p, &q, c1);
+ (void) yank_delete(p, q, 1, YANKONLY); // save copy before change
+ p = begin_line(p);
+ q = end_line(q);
+ i = count_lines(p, q); // # of lines we are shifting
+ for ( ; i > 0; i--, p = next_line(p)) {
+ if (c == '<') {
+ // shift left- remove tab or 8 spaces
+ if (*p == '\t') {
+ // shrink buffer 1 char
+ (void) text_hole_delete(p, p);
+ } else if (*p == ' ') {
+ // we should be calculating columns, not just SPACE
+ for (j = 0; *p == ' ' && j < tabstop; j++) {
+ (void) text_hole_delete(p, p);
+ }
+ }
+ } else if (c == '>') {
+ // shift right -- add tab or 8 spaces
+ (void) char_insert(p, '\t');
+ }
+ }
+ dot = find_line(cnt); // what line were we on
+ dot_skip_over_ws();
+ end_cmd_q(); // stop adding to q
+ break;
+ case 'A': // A- append at e-o-l
+ dot_end(); // go to e-o-l
+ //**** fall thru to ... 'a'
+ case 'a': // a- append after current char
+ if (*dot != '\n')
+ dot++;
+ goto dc_i;
+ break;
+ case 'B': // B- back a blank-delimited Word
+ case 'E': // E- end of a blank-delimited word
+ case 'W': // W- forward a blank-delimited word
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dir = FORWARD;
+ if (c == 'B')
+ dir = BACK;
+ if (c == 'W' || isspace(dot[dir])) {
+ dot = skip_thing(dot, 1, dir, S_TO_WS);
+ dot = skip_thing(dot, 2, dir, S_OVER_WS);
+ }
+ if (c != 'W')
+ dot = skip_thing(dot, 1, dir, S_BEFORE_WS);
+ break;
+ case 'C': // C- Change to e-o-l
+ case 'D': // D- delete to e-o-l
+ save_dot = dot;
+ dot = dollar_line(dot); // move to before NL
+ // copy text into a register and delete
+ dot = yank_delete(save_dot, dot, 0, YANKDEL); // delete to e-o-l
+ if (c == 'C')
+ goto dc_i; // start inserting
+#ifdef CONFIG_FEATURE_VI_DOT_CMD
+ if (c == 'D')
+ end_cmd_q(); // stop adding to q
+#endif /* CONFIG_FEATURE_VI_DOT_CMD */
+ break;
+ case 'G': // G- goto to a line number (default= E-O-F)
+ dot = end - 1; // assume E-O-F
+ if (cmdcnt > 0) {
+ dot = find_line(cmdcnt); // what line is #cmdcnt
+ }
+ dot_skip_over_ws();
+ break;
+ case 'H': // H- goto top line on screen
+ dot = screenbegin;
+ if (cmdcnt > (rows - 1)) {
+ cmdcnt = (rows - 1);
+ }
+ if (cmdcnt-- > 1) {
+ do_cmd('+');
+ } // repeat cnt
+ dot_skip_over_ws();
+ break;
+ case 'I': // I- insert before first non-blank
+ dot_begin(); // 0
+ dot_skip_over_ws();
+ //**** fall thru to ... 'i'
+ case 'i': // i- insert before current char
+ case VI_K_INSERT: // Cursor Key Insert
+ dc_i:
+ cmd_mode = 1; // start insrting
+ psb("-- Insert --");
+ break;
+ case 'J': // J- join current and next lines together
+ if (cmdcnt-- > 2) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_end(); // move to NL
+ if (dot < end - 1) { // make sure not last char in text[]
+ *dot++ = ' '; // replace NL with space
+ while (isblnk(*dot)) { // delete leading WS
+ dot_delete();
+ }
+ }
+ end_cmd_q(); // stop adding to q
+ break;
+ case 'L': // L- goto bottom line on screen
+ dot = end_screen();
+ if (cmdcnt > (rows - 1)) {
+ cmdcnt = (rows - 1);
+ }
+ if (cmdcnt-- > 1) {
+ do_cmd('-');
+ } // repeat cnt
+ dot_begin();
+ dot_skip_over_ws();
+ break;
+ case 'M': // M- goto middle line on screen
+ dot = screenbegin;
+ for (cnt = 0; cnt < (rows-1) / 2; cnt++)
+ dot = next_line(dot);
+ break;
+ case 'O': // O- open a empty line above
+ // 0i\n ESC -i
+ p = begin_line(dot);
+ if (p[-1] == '\n') {
+ dot_prev();
+ case 'o': // o- open a empty line below; Yes, I know it is in the middle of the "if (..."
+ dot_end();
+ dot = char_insert(dot, '\n');
+ } else {
+ dot_begin(); // 0
+ dot = char_insert(dot, '\n'); // i\n ESC
+ dot_prev(); // -
+ }
+ goto dc_i;
+ break;
+ case 'R': // R- continuous Replace char
+ dc5:
+ cmd_mode = 2;
+ psb("-- Replace --");
+ break;
+ case 'X': // X- delete char before dot
+ case 'x': // x- delete the current char
+ case 's': // s- substitute the current char
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dir = 0;
+ if (c == 'X')
+ dir = -1;
+ if (dot[dir] != '\n') {
+ if (c == 'X')
+ dot--; // delete prev char
+ dot = yank_delete(dot, dot, 0, YANKDEL); // delete char
+ }
+ if (c == 's')
+ goto dc_i; // start insrting
+ end_cmd_q(); // stop adding to q
+ break;
+ case 'Z': // Z- if modified, {write}; exit
+ // ZZ means to save file (if necessary), then exit
+ c1 = get_one_char();
+ if (c1 != 'Z') {
+ indicate_error(c);
+ break;
+ }
+ if (file_modified
+#ifdef CONFIG_FEATURE_VI_READONLY
+ && ! vi_readonly
+ && ! readonly
+#endif /* CONFIG_FEATURE_VI_READONLY */
+ ) {
+ cnt = file_write(cfn, text, end - 1);
+ if (cnt == (end - 1 - text + 1)) {
+ editing = 0;
+ }
+ } else {
+ editing = 0;
+ }
+ break;
+ case '^': // ^- move to first non-blank on line
+ dot_begin();
+ dot_skip_over_ws();
+ break;
+ case 'b': // b- back a word
+ case 'e': // e- end of word
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dir = FORWARD;
+ if (c == 'b')
+ dir = BACK;
+ if ((dot + dir) < text || (dot + dir) > end - 1)
+ break;
+ dot += dir;
+ if (isspace(*dot)) {
+ dot = skip_thing(dot, (c == 'e') ? 2 : 1, dir, S_OVER_WS);
+ }
+ if (isalnum(*dot) || *dot == '_') {
+ dot = skip_thing(dot, 1, dir, S_END_ALNUM);
+ } else if (ispunct(*dot)) {
+ dot = skip_thing(dot, 1, dir, S_END_PUNCT);
+ }
+ break;
+ case 'c': // c- change something
+ case 'd': // d- delete something
+#ifdef CONFIG_FEATURE_VI_YANKMARK
+ case 'y': // y- yank something
+ case 'Y': // Y- Yank a line
+#endif /* CONFIG_FEATURE_VI_YANKMARK */
+ yf = YANKDEL; // assume either "c" or "d"
+#ifdef CONFIG_FEATURE_VI_YANKMARK
+ if (c == 'y' || c == 'Y')
+ yf = YANKONLY;
+#endif /* CONFIG_FEATURE_VI_YANKMARK */
+ c1 = 'y';
+ if (c != 'Y')
+ c1 = get_one_char(); // get the type of thing to delete
+ find_range(&p, &q, c1);
+ if (c1 == 27) { // ESC- user changed mind and wants out
+ c = c1 = 27; // Escape- do nothing
+ } else if (strchr("wW", c1)) {
+ if (c == 'c') {
+ // don't include trailing WS as part of word
+ while (isblnk(*q)) {
+ if (q <= text || q[-1] == '\n')
+ break;
+ q--;
+ }
+ }
+ dot = yank_delete(p, q, 0, yf); // delete word
+ } else if (strchr("^0bBeEft$", c1)) {
+ // single line copy text into a register and delete
+ dot = yank_delete(p, q, 0, yf); // delete word
+ } else if (strchr("cdykjHL%+-{}\r\n", c1)) {
+ // multiple line copy text into a register and delete
+ dot = yank_delete(p, q, 1, yf); // delete lines
+ if (c == 'c') {
+ dot = char_insert(dot, '\n');
+ // on the last line of file don't move to prev line
+ if (dot != (end-1)) {
+ dot_prev();
+ }
+ } else if (c == 'd') {
+ dot_begin();
+ dot_skip_over_ws();
+ }
+ } else {
+ // could not recognize object
+ c = c1 = 27; // error-
+ indicate_error(c);
+ }
+ if (c1 != 27) {
+ // if CHANGING, not deleting, start inserting after the delete
+ if (c == 'c') {
+ strcpy((char *) buf, "Change");
+ goto dc_i; // start inserting
+ }
+ if (c == 'd') {
+ strcpy((char *) buf, "Delete");
+ }
+#ifdef CONFIG_FEATURE_VI_YANKMARK
+ if (c == 'y' || c == 'Y') {
+ strcpy((char *) buf, "Yank");
+ }
+ p = reg[YDreg];
+ q = p + strlen((char *) p);
+ for (cnt = 0; p <= q; p++) {
+ if (*p == '\n')
+ cnt++;
+ }
+ psb("%s %d lines (%d chars) using [%c]",
+ buf, cnt, strlen((char *) reg[YDreg]), what_reg());
+#endif /* CONFIG_FEATURE_VI_YANKMARK */
+ end_cmd_q(); // stop adding to q
+ }
+ break;
+ case 'k': // k- goto prev line, same col
+ case VI_K_UP: // cursor key Up
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ dot_prev();
+ dot = move_to_col(dot, ccol + offset); // try stay in same col
+ break;
+ case 'r': // r- replace the current char with user input
+ c1 = get_one_char(); // get the replacement char
+ if (*dot != '\n') {
+ *dot = c1;
+ file_modified = TRUE; // has the file been modified
+ }
+ end_cmd_q(); // stop adding to q
+ break;
+ case 't': // t- move to char prior to next x
+ last_forward_char = get_one_char();
+ do_cmd(';');
+ if (*dot == last_forward_char)
+ dot_left();
+ last_forward_char= 0;
+ break;
+ case 'w': // w- forward a word
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ if (isalnum(*dot) || *dot == '_') { // we are on ALNUM
+ dot = skip_thing(dot, 1, FORWARD, S_END_ALNUM);
+ } else if (ispunct(*dot)) { // we are on PUNCT
+ dot = skip_thing(dot, 1, FORWARD, S_END_PUNCT);
+ }
+ if (dot < end - 1)
+ dot++; // move over word
+ if (isspace(*dot)) {
+ dot = skip_thing(dot, 2, FORWARD, S_OVER_WS);
+ }
+ break;
+ case 'z': // z-
+ c1 = get_one_char(); // get the replacement char
+ cnt = 0;
+ if (c1 == '.')
+ cnt = (rows - 2) / 2; // put dot at center
+ if (c1 == '-')
+ cnt = rows - 2; // put dot at bottom
+ screenbegin = begin_line(dot); // start dot at top
+ dot_scroll(cnt, -1);
+ break;
+ case '|': // |- move to column "cmdcnt"
+ dot = move_to_col(dot, cmdcnt - 1); // try to move to column
+ break;
+ case '~': // ~- flip the case of letters a-z -> A-Z
+ if (cmdcnt-- > 1) {
+ do_cmd(c);
+ } // repeat cnt
+ if (islower(*dot)) {
+ *dot = toupper(*dot);
+ file_modified = TRUE; // has the file been modified
+ } else if (isupper(*dot)) {
+ *dot = tolower(*dot);
+ file_modified = TRUE; // has the file been modified
+ }
+ dot_right();
+ end_cmd_q(); // stop adding to q
+ break;
+ //----- The Cursor and Function Keys -----------------------------
+ case VI_K_HOME: // Cursor Key Home
+ dot_begin();
+ break;
+ // The Fn keys could point to do_macro which could translate them
+ case VI_K_FUN1: // Function Key F1
+ case VI_K_FUN2: // Function Key F2
+ case VI_K_FUN3: // Function Key F3
+ case VI_K_FUN4: // Function Key F4
+ case VI_K_FUN5: // Function Key F5
+ case VI_K_FUN6: // Function Key F6
+ case VI_K_FUN7: // Function Key F7
+ case VI_K_FUN8: // Function Key F8
+ case VI_K_FUN9: // Function Key F9
+ case VI_K_FUN10: // Function Key F10
+ case VI_K_FUN11: // Function Key F11
+ case VI_K_FUN12: // Function Key F12
+ break;
+ }
+
+ dc1:
+ // if text[] just became empty, add back an empty line
+ if (end == text) {
+ (void) char_insert(text, '\n'); // start empty buf with dummy line
+ dot = text;
+ }
+ // it is OK for dot to exactly equal to end, otherwise check dot validity
+ if (dot != end) {
+ dot = bound_dot(dot); // make sure "dot" is valid
+ }
+#ifdef CONFIG_FEATURE_VI_YANKMARK
+ check_context(c); // update the current context
+#endif /* CONFIG_FEATURE_VI_YANKMARK */
+
+ if (!isdigit(c))
+ cmdcnt = 0; // cmd was not a number, reset cmdcnt
+ cnt = dot - begin_line(dot);
+ // Try to stay off of the Newline
+ if (*dot == '\n' && cnt > 0 && cmd_mode == 0)
+ dot--;
+}