diff options
Diffstat (limited to 'Src/Zle/zle_vi.c')
| -rw-r--r-- | Src/Zle/zle_vi.c | 193 |
1 files changed, 127 insertions, 66 deletions
diff --git a/Src/Zle/zle_vi.c b/Src/Zle/zle_vi.c index 953af2401..e0923db3e 100644 --- a/Src/Zle/zle_vi.c +++ b/Src/Zle/zle_vi.c @@ -45,61 +45,71 @@ int wordflag; /**/ int vilinerange; -/* last vi change buffer, for vi change repetition */ +/* + * lastvichg: last vi change buffer, for vi change repetition + * curvichg: current incomplete vi change + */ + +/**/ +struct vichange lastvichg, curvichg; + +/* + * true whilst a vi change is active causing keys to be + * accumulated in curvichg.buf + * first set to 2 and when the initial widget finishes, reduced to 1 if + * in insert mode implying that the change continues until returning to + * normal mode + */ /**/ -int vichgbufsz, vichgbufptr, vichgflag; +int vichgflag; /* - * Examination of the code suggests vichgbuf is consistently tied - * to raw byte input, so it is left as a character array rather - * than turned into wide characters. In particular, when we replay - * it we use ungetbytes(). + * analogous to vichgflag for a repeated change with the value following + * a similar pattern (is 3 until first repeated widget starts) */ + /**/ -char *vichgbuf; +int viinrepeat; /* point where vi insert mode was last entered */ /**/ int viinsbegin; -static struct modifier lastmod; -static int inrepeat, vichgrepeat; - /** * im: >= 0: is an insertmode - * -1: skip setting insert mode + * -1: skip setting insert/overwrite mode * -2: entering viins at start of editing from clean --- don't use - * inrepeat or lastchar, synthesise an i to enter insert mode. + * inrepeat or keybuf, synthesise an entry to insert mode. + * Note that zmult is updated so this should be called before zmult is used. */ /**/ void startvichange(int im) { - if (im != -1) { - vichgflag = 1; - if (im > -1) - insmode = im; - } - if (inrepeat && im != -2) { - zmod = lastmod; - inrepeat = vichgflag = 0; - vichgrepeat = 1; - } else { - lastmod = zmod; - if (vichgbuf) - free(vichgbuf); - vichgbuf = (char *)zalloc(vichgbufsz = 16); + if (im > -1) + insmode = im; + if (viinrepeat && im != -2) { + zmod = lastvichg.mod; + vichgflag = 0; + } else if (!vichgflag) { + curvichg.mod = zmod; + if (curvichg.buf) + free(curvichg.buf); + curvichg.buf = (char *)zalloc(curvichg.bufsz = 16 + keybuflen); if (im == -2) { - vichgbuf[0] = + vichgflag = 1; + curvichg.buf[0] = zlell ? (insmode ? (zlecs < zlell ? 'i' : 'a') : 'R') : 'o'; + curvichg.buf[1] = '\0'; + curvichg.bufptr = 1; } else { - vichgbuf[0] = lastchar; + vichgflag = 2; + strcpy(curvichg.buf, keybuf); + unmetafy(curvichg.buf, &curvichg.bufptr); } - vichgbufptr = 1; - vichgrepeat = 0; } } @@ -208,10 +218,13 @@ getvirange(int wf) */ if ((k2 == bindk) ? dovilinerange() : execzlefunc(k2, zlenoargs, 1)) ret = -1; - if(vichgrepeat) + if (viinrepeat) zmult = mult1; - else + else { zmult = mult1 * zmod.tmult; + if (vichgflag == 2) + curvichg.mod.mult = zmult; + } } while(prefixflag && !ret); wordflag = 0; selectlocalmap(NULL); @@ -383,7 +396,6 @@ videlete(UNUSED(char **args)) vifirstnonblank(zlenoargs); } } - vichgflag = 0; return ret; } @@ -391,9 +403,10 @@ videlete(UNUSED(char **args)) int videletechar(char **args) { - int n = zmult; + int n; startvichange(-1); + n = zmult; /* handle negative argument */ if (n < 0) { @@ -440,9 +453,10 @@ vichange(UNUSED(char **args)) int visubstitute(UNUSED(char **args)) { - int n = zmult; + int n; startvichange(1); + n = zmult; if (n < 0) return 1; /* it is an error to be on the end of line */ @@ -498,7 +512,6 @@ viyank(UNUSED(char **args)) cut(zlecs, c2 - zlecs, CUT_YANK); ret = 0; } - vichgflag = 0; /* cursor now at the start of the range yanked. For line mode * restore the column position */ if (vilinerange && lastcol != -1) { @@ -536,9 +549,10 @@ int viyankwholeline(UNUSED(char **args)) { int bol = findbol(), oldcs = zlecs; - int n = zmult; + int n; startvichange(-1); + n = zmult; if (n < 1) return 1; while(n--) { @@ -572,16 +586,17 @@ vireplace(UNUSED(char **args)) * a change, we always read the argument normally, even if the count * * was bad. When recording a change for repeating, and a bad count is * * given, we squash the repeat buffer to avoid repeating the partial * - * command; we've lost the previous change, but that can't be avoided * - * without a rewrite of the repeat code. */ + * command. */ /**/ int vireplacechars(UNUSED(char **args)) { ZLE_INT_T ch; - int n = zmult, fail = 0, newchars = 0; + int n, fail = 0, newchars = 0; + startvichange(1); + n = zmult; if (n > 0) { if (region_active) { int a, b; @@ -618,21 +633,15 @@ vireplacechars(UNUSED(char **args)) n = pos - zlecs; } } - startvichange(1); + /* check argument range */ if (n < 1 || fail) { - if(vichgrepeat) + if (viinrepeat) vigetkey(); - if(vichgflag) { - free(vichgbuf); - vichgbuf = NULL; - vichgflag = 0; - } return 1; } /* get key */ if((ch = vigetkey()) == ZLEEOF) { - vichgflag = 0; return 1; } /* do change */ @@ -659,7 +668,6 @@ vireplacechars(UNUSED(char **args)) zleline[zlecs++] = ch; zlecs--; } - vichgflag = 0; return 0; } @@ -670,7 +678,16 @@ vicmdmode(UNUSED(char **args)) if (invicmdmode() || selectkeymap("vicmd", 0)) return 1; mergeundo(); - vichgflag = 0; + insmode = unset(OVERSTRIKE); + if (vichgflag == 1) { + vichgflag = 0; + if (lastvichg.buf) + free(lastvichg.buf); + lastvichg = curvichg; + curvichg.buf = NULL; + } + if (viinrepeat == 1) + viinrepeat = 0; if (zlecs != findbol()) DECCS(); return 0; @@ -725,7 +742,50 @@ vioperswapcase(UNUSED(char **args)) vifirstnonblank(); #endif } - vichgflag = 0; + return ret; +} + +/**/ +int +viupcase(UNUSED(char **args)) +{ + int oldcs, c2, ret = 1; + + /* get the range */ + startvichange(1); + if ((c2 = getvirange(0)) != -1) { + oldcs = zlecs; + /* covert the case of all letters within range */ + while (zlecs < c2) { + zleline[zlecs] = ZC_toupper(zleline[zlecs]); + INCCS(); + } + /* go back to the first line of the range */ + zlecs = oldcs; + ret = 0; + } + return ret; +} + +/**/ +int +vidowncase(UNUSED(char **args)) +{ + int oldcs, c2, ret = 1; + + /* get the range */ + startvichange(1); + if ((c2 = getvirange(0)) != -1) { + oldcs = zlecs; + /* convert the case of all letters within range */ + while (zlecs < c2) { + zleline[zlecs] = ZC_tolower(zleline[zlecs]); + INCCS(); + } + /* go back to the first line of the range */ + zlecs = oldcs; + ret = 0; + } return ret; } @@ -734,21 +794,23 @@ int virepeatchange(UNUSED(char **args)) { /* make sure we have a change to repeat */ - if (!vichgbuf || vichgflag) + if (!lastvichg.buf || vichgflag || virangeflag) return 1; /* restore or update the saved count and buffer */ if (zmod.flags & MOD_MULT) { - lastmod.mult = zmod.mult; - lastmod.flags |= MOD_MULT; + lastvichg.mod.mult = zmod.mult; + lastvichg.mod.flags |= MOD_MULT; } if (zmod.flags & MOD_VIBUF) { - lastmod.vibuf = zmod.vibuf; - lastmod.flags = (lastmod.flags & ~MOD_VIAPP) | + lastvichg.mod.vibuf = zmod.vibuf; + lastvichg.mod.flags = (lastvichg.mod.flags & ~MOD_VIAPP) | MOD_VIBUF | (zmod.flags & MOD_VIAPP); - } + } else if (lastvichg.mod.flags & MOD_VIBUF && + lastvichg.mod.vibuf >= 27 && lastvichg.mod.vibuf <= 34) + lastvichg.mod.vibuf++; /* for "1 to "8 advance to next buffer */ /* repeat the command */ - inrepeat = 1; - ungetbytes(vichgbuf, vichgbufptr); + viinrepeat = 3; + ungetbytes(lastvichg.buf, lastvichg.bufptr); return 0; } @@ -764,10 +826,8 @@ viindent(UNUSED(char **args)) region_active = 2; /* get the range */ if ((c2 = getvirange(0)) == -1) { - vichgflag = 0; return 1; } - vichgflag = 0; /* must be a line range */ if (!vilinerange) { zlecs = oldcs; @@ -802,10 +862,8 @@ viunindent(UNUSED(char **args)) region_active = 2; /* get the range */ if ((c2 = getvirange(0)) == -1) { - vichgflag = 0; return 1; } - vichgflag = 0; /* must be a line range */ if (!vilinerange) { zlecs = oldcs; @@ -828,12 +886,13 @@ viunindent(UNUSED(char **args)) int vibackwarddeletechar(char **args) { - int n = zmult; + int n; if (invicmdmode()) startvichange(-1); /* handle negative argument */ + n = zmult; if (n < 0) { int ret; zmult = -n; @@ -873,10 +932,11 @@ int vijoin(UNUSED(char **args)) { int x, pos; - int n = zmult; + int n; int visual = region_active; startvichange(-1); + n = zmult; if (n < 1) return 1; if (visual && zlecs > mark) { @@ -915,9 +975,10 @@ vijoin(UNUSED(char **args)) int viswapcase(UNUSED(char **args)) { - int eol, n = zmult; + int eol, n; startvichange(-1); + n = zmult; if (n < 1) return 1; eol = findeol(); |