mirror of
https://github.com/sheumann/hush.git
synced 2024-09-12 00:55:11 +00:00
fixed the "dot" (i.e. '.') command, to properly re-init its
buffer between commands, not recalculate its length all the time, and to not reallocate its fixed-length buffer frequently. fixed the 'c', 'd', and 'y' commands to properly handle both motions that are just part of a line, and those that are multiline. for instance, now "c%" and "2cw" work correctly, whether the motions span lines or not. added some permissble motions for 'c', 'd', and 'y': namely 'h', 'l', SPACE, BS, and DEL
This commit is contained in:
parent
b4a5087ee0
commit
c51fc7bed6
123
editors/vi.c
123
editors/vi.c
@ -170,6 +170,7 @@ static smallint readonly_mode = 0;
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#if ENABLE_FEATURE_VI_DOT_CMD
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#if ENABLE_FEATURE_VI_DOT_CMD
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static smallint adding2q; // are we currently adding user input to q
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static smallint adding2q; // are we currently adding user input to q
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static char *last_modifying_cmd; // [MAX_INPUT_LEN] last modifying cmd for "."
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static char *last_modifying_cmd; // [MAX_INPUT_LEN] last modifying cmd for "."
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static smallint lmc_len; // length of last_modifying_cmd
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static char *ioq, *ioq_start; // pointer to string for get_one_char to "read"
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static char *ioq, *ioq_start; // pointer to string for get_one_char to "read"
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#endif
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#endif
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#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR
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#if ENABLE_FEATURE_VI_OPTIMIZE_CURSOR
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@ -262,7 +263,7 @@ static char *bound_dot(char *); // make sure text[0] <= P < "end"
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static char *new_screen(int, int); // malloc virtual screen memory
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static char *new_screen(int, int); // malloc virtual screen memory
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static char *char_insert(char *, char); // insert the char c at 'p'
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static char *char_insert(char *, char); // insert the char c at 'p'
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static char *stupid_insert(char *, char); // stupidly insert the char c at 'p'
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static char *stupid_insert(char *, char); // stupidly insert the char c at 'p'
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static char find_range(char **, char **, char); // return pointers for an object
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static int find_range(char **, char **, char); // return pointers for an object
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static int st_test(char *, int, int, char *); // helper for skip_thing()
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static int st_test(char *, int, int, char *); // helper for skip_thing()
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static char *skip_thing(char *, int, int, int); // skip some object
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static char *skip_thing(char *, int, int, int); // skip some object
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static char *find_pair(char *, char); // find matching pair () [] {}
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static char *find_pair(char *, char); // find matching pair () [] {}
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@ -526,9 +527,9 @@ static void edit_file(char *fn)
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offset = 0; // no horizontal offset
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offset = 0; // no horizontal offset
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c = '\0';
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c = '\0';
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#if ENABLE_FEATURE_VI_DOT_CMD
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#if ENABLE_FEATURE_VI_DOT_CMD
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free(last_modifying_cmd);
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free(ioq_start);
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free(ioq_start);
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ioq = ioq_start = last_modifying_cmd = NULL;
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ioq = ioq_start = NULL;
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lmc_len = 0;
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adding2q = 0;
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adding2q = 0;
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#endif
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#endif
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redraw(FALSE); // dont force every col re-draw
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redraw(FALSE); // dont force every col re-draw
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@ -1662,10 +1663,10 @@ static char *stupid_insert(char * p, char c) // stupidly insert the char c at 'p
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return p;
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return p;
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}
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}
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static char find_range(char ** start, char ** stop, char c)
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static int find_range(char ** start, char ** stop, char c)
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{
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{
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char *save_dot, *p, *q;
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char *save_dot, *p, *q, *t;
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int cnt;
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int cnt, multiline = 0;
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save_dot = dot;
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save_dot = dot;
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p = q = dot;
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p = q = dot;
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@ -1677,7 +1678,7 @@ static char find_range(char ** start, char ** stop, char c)
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q = next_line(q);
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q = next_line(q);
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}
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}
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q = end_line(q);
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q = end_line(q);
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} else if (strchr("^%$0bBeEft", c)) {
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} else if (strchr("^%$0bBeEfth\b\177", c)) {
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// These cmds operate on char positions
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// These cmds operate on char positions
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do_cmd(c); // execute movement cmd
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do_cmd(c); // execute movement cmd
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q = dot;
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q = dot;
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@ -1706,17 +1707,33 @@ static char find_range(char ** start, char ** stop, char c)
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dot_end(); // find NL
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dot_end(); // find NL
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q = dot;
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q = dot;
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} else {
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} else {
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c = 27; // error- return an ESC char
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// nothing -- this causes any other values of c to
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//break;
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// represent the one-character range under the
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// cursor. this is correct for ' ' and 'l', but
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// perhaps no others.
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//
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}
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}
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if (q < p) {
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t = q;
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q = p;
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p = t;
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}
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// backward char movements don't include start position
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if (q > p && strchr("^0bBh\b\177", c)) q--;
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multiline = 0;
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for (t = p; t <= q; t++) {
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if (*t == '\n') {
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multiline = 1;
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break;
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}
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}
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*start = p;
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*start = p;
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*stop = q;
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*stop = q;
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if (q < p) {
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*start = q;
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*stop = p;
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}
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dot = save_dot;
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dot = save_dot;
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return c;
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return multiline;
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}
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}
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static int st_test(char * p, int type, int dir, char * tested)
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static int st_test(char * p, int type, int dir, char * tested)
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@ -1780,27 +1797,12 @@ static char *find_pair(char * p, const char c)
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level = 1;
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level = 1;
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dir = 1; // assume forward
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dir = 1; // assume forward
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switch (c) {
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switch (c) {
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case '(':
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case '(': match = ')'; break;
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match = ')';
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case '[': match = ']'; break;
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break;
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case '{': match = '}'; break;
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case '[':
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case ')': match = '('; dir = -1; break;
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match = ']';
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case ']': match = '['; dir = -1; break;
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break;
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case '}': match = '{'; dir = -1; break;
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case '{':
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match = '}';
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break;
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case ')':
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match = '(';
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dir = -1;
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break;
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case ']':
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match = '[';
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dir = -1;
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break;
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case '}':
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match = '{';
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dir = -1;
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break;
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}
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}
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for (q = p + dir; text <= q && q < end; q += dir) {
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for (q = p + dir; text <= q && q < end; q += dir) {
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// look for match, count levels of pairs (( ))
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// look for match, count levels of pairs (( ))
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@ -1976,10 +1978,10 @@ static void start_new_cmd_q(char c)
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last_modifying_cmd = xzalloc(MAX_INPUT_LEN);
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last_modifying_cmd = xzalloc(MAX_INPUT_LEN);
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// if there is a current cmd count put it in the buffer first
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// if there is a current cmd count put it in the buffer first
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if (cmdcnt > 0)
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if (cmdcnt > 0)
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sprintf(last_modifying_cmd, "%d%c", cmdcnt, c);
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lmc_len = sprintf(last_modifying_cmd, "%d%c", cmdcnt, c);
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else { // just save char c onto queue
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else { // just save char c onto queue
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last_modifying_cmd[0] = c;
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last_modifying_cmd[0] = c;
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last_modifying_cmd[1] = '\0';
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lmc_len = 1;
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}
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}
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adding2q = 1;
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adding2q = 1;
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}
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}
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@ -2280,9 +2282,6 @@ static char get_one_char(void)
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char c;
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char c;
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#if ENABLE_FEATURE_VI_DOT_CMD
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#if ENABLE_FEATURE_VI_DOT_CMD
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// ! adding2q && ioq == 0 read()
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// ! adding2q && ioq != 0 *ioq
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// adding2q *last_modifying_cmd= read()
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if (!adding2q) {
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if (!adding2q) {
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// we are not adding to the q.
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// we are not adding to the q.
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// but, we may be reading from a q
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// but, we may be reading from a q
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@ -2303,12 +2302,11 @@ static char get_one_char(void)
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// adding STDIN chars to q
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// adding STDIN chars to q
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c = readit(); // get the users input
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c = readit(); // get the users input
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if (last_modifying_cmd != NULL) {
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if (last_modifying_cmd != NULL) {
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int len = strlen(last_modifying_cmd);
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if (lmc_len >= MAX_INPUT_LEN - 1) {
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if (len >= MAX_INPUT_LEN - 1) {
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status_line_bold("last_modifying_cmd overrun");
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status_line_bold("last_modifying_cmd overrun");
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} else {
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} else {
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// add new char to q
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// add new char to q
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last_modifying_cmd[len] = c;
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last_modifying_cmd[lmc_len++] = c;
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}
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}
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}
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}
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}
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}
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@ -2947,7 +2945,7 @@ static void do_cmd(char c)
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char c1, *p, *q, *save_dot;
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char c1, *p, *q, *save_dot;
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char buf[12];
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char buf[12];
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int dir = dir; // for compiler
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int dir = dir; // for compiler
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int cnt, i, j, yf;
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int cnt, i, j;
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// c1 = c; // quiet the compiler
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// c1 = c; // quiet the compiler
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// cnt = yf = 0; // quiet the compiler
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// cnt = yf = 0; // quiet the compiler
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@ -3282,7 +3280,8 @@ static void do_cmd(char c)
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case '.': // .- repeat the last modifying command
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case '.': // .- repeat the last modifying command
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// Stuff the last_modifying_cmd back into stdin
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// Stuff the last_modifying_cmd back into stdin
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// and let it be re-executed.
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// and let it be re-executed.
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if (last_modifying_cmd != NULL) {
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if (last_modifying_cmd != NULL && lmc_len > 0) {
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last_modifying_cmd[lmc_len] = 0;
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ioq = ioq_start = xstrdup(last_modifying_cmd);
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ioq = ioq_start = xstrdup(last_modifying_cmd);
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}
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}
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break;
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break;
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@ -3668,6 +3667,8 @@ static void do_cmd(char c)
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case 'y': // y- yank something
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case 'y': // y- yank something
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case 'Y': // Y- Yank a line
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case 'Y': // Y- Yank a line
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#endif
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#endif
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{
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int yf, ml, whole = 0;
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yf = YANKDEL; // assume either "c" or "d"
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yf = YANKDEL; // assume either "c" or "d"
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#if ENABLE_FEATURE_VI_YANKMARK
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#if ENABLE_FEATURE_VI_YANKMARK
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if (c == 'y' || c == 'Y')
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if (c == 'y' || c == 'Y')
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@ -3676,7 +3677,8 @@ static void do_cmd(char c)
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c1 = 'y';
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c1 = 'y';
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if (c != 'Y')
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if (c != 'Y')
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c1 = get_one_char(); // get the type of thing to delete
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c1 = get_one_char(); // get the type of thing to delete
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find_range(&p, &q, c1);
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// determine range, and whether it spans lines
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ml = find_range(&p, &q, c1);
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if (c1 == 27) { // ESC- user changed mind and wants out
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if (c1 == 27) { // ESC- user changed mind and wants out
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c = c1 = 27; // Escape- do nothing
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c = c1 = 27; // Escape- do nothing
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} else if (strchr("wW", c1)) {
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} else if (strchr("wW", c1)) {
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@ -3688,27 +3690,31 @@ static void do_cmd(char c)
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q--;
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q--;
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}
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}
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}
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}
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dot = yank_delete(p, q, 0, yf); // delete word
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dot = yank_delete(p, q, ml, yf); // delete word
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} else if (strchr("^0bBeEft$", c1)) {
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} else if (strchr("^0bBeEft%$ lh\b\177", c1)) {
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// single line copy text into a register and delete
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// partial line copy text into a register and delete
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dot = yank_delete(p, q, 0, yf); // delete word
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dot = yank_delete(p, q, ml, yf); // delete word
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} else if (strchr("cdykjHL%+-{}\r\n", c1)) {
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} else if (strchr("cdykjHL+-{}\r\n", c1)) {
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// multiple line copy text into a register and delete
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// whole line copy text into a register and delete
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dot = yank_delete(p, q, 1, yf); // delete lines
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dot = yank_delete(p, q, ml, yf); // delete lines
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whole = 1;
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} else {
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// could not recognize object
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c = c1 = 27; // error-
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ml = 0;
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indicate_error(c);
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}
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if (ml && whole) {
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if (c == 'c') {
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if (c == 'c') {
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dot = char_insert(dot, '\n');
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dot = char_insert(dot, '\n');
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// on the last line of file don't move to prev line
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// on the last line of file don't move to prev line
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if (dot != (end-1)) {
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if (whole && dot != (end-1)) {
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dot_prev();
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dot_prev();
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}
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}
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} else if (c == 'd') {
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} else if (c == 'd') {
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dot_begin();
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dot_begin();
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dot_skip_over_ws();
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dot_skip_over_ws();
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}
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}
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} else {
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// could not recognize object
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c = c1 = 27; // error-
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indicate_error(c);
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}
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}
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if (c1 != 27) {
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if (c1 != 27) {
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// if CHANGING, not deleting, start inserting after the delete
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// if CHANGING, not deleting, start inserting after the delete
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@ -3734,6 +3740,7 @@ static void do_cmd(char c)
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#endif
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#endif
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end_cmd_q(); // stop adding to q
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end_cmd_q(); // stop adding to q
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}
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}
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}
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break;
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break;
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case 'k': // k- goto prev line, same col
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case 'k': // k- goto prev line, same col
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case VI_K_UP: // cursor key Up
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case VI_K_UP: // cursor key Up
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