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Support case insensitive searching in the same manner as emacs - all

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lowercase means case insensitive, any uppercase means case
sensitive. From J Raynor.
This commit is contained in:
nicm
2013-11-09 00:48:57 +00:00
parent a6cd84869e
commit f0ed61f53c
1 changed files with 42 additions and 12 deletions
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54
window-copy.c
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@@ -18,6 +18,7 @@
#include <sys/types.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
@@ -41,11 +42,11 @@ void window_copy_write_lines(
void window_copy_scroll_to(struct window_pane *, u_int, u_int);
int window_copy_search_compare(
struct grid *, u_int, u_int, struct grid *, u_int);
struct grid *, u_int, u_int, struct grid *, u_int, int);
int window_copy_search_lr(
struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
struct grid *, struct grid *, u_int *, u_int, u_int, u_int, int);
int window_copy_search_rl(
struct grid *, struct grid *, u_int *, u_int, u_int, u_int);
struct grid *, struct grid *, u_int *, u_int, u_int, u_int, int);
void window_copy_search_up(struct window_pane *, const char *);
void window_copy_search_down(struct window_pane *, const char *);
void window_copy_goto_line(struct window_pane *, const char *);
@@ -921,7 +922,7 @@ window_copy_scroll_to(struct window_pane *wp, u_int px, u_int py)
int
window_copy_search_compare(
struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx)
struct grid *gd, u_int px, u_int py, struct grid *sgd, u_int spx, int cis)
{
const struct grid_cell *gc, *sgc;
struct utf8_data ud, sud;
@@ -933,21 +934,28 @@ window_copy_search_compare(
if (ud.size != sud.size || ud.width != sud.width)
return (0);
if (cis && ud.size == 1)
return (tolower(ud.data[0]) == sud.data[0]);
return (memcmp(ud.data, sud.data, ud.size) == 0);
}
int
window_copy_search_lr(struct grid *gd,
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
{
u_int ax, bx, px;
int matched;
for (ax = first; ax < last; ax++) {
if (ax + sgd->sx >= gd->sx)
break;
for (bx = 0; bx < sgd->sx; bx++) {
px = ax + bx;
if (!window_copy_search_compare(gd, px, py, sgd, bx))
matched = window_copy_search_compare(gd, px, py, sgd,
bx, cis);
if (!matched)
break;
}
if (bx == sgd->sx) {
@@ -960,16 +968,19 @@ window_copy_search_lr(struct grid *gd,
int
window_copy_search_rl(struct grid *gd,
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last)
struct grid *sgd, u_int *ppx, u_int py, u_int first, u_int last, int cis)
{
u_int ax, bx, px;
int matched;
for (ax = last + 1; ax > first; ax--) {
if (gd->sx - (ax - 1) < sgd->sx)
continue;
for (bx = 0; bx < sgd->sx; bx++) {
px = ax - 1 + bx;
if (!window_copy_search_compare(gd, px, py, sgd, bx))
matched = window_copy_search_compare(gd, px, py, sgd,
bx, cis);
if (!matched)
break;
}
if (bx == sgd->sx) {
@@ -990,7 +1001,8 @@ window_copy_search_up(struct window_pane *wp, const char *searchstr)
struct grid_cell gc;
size_t searchlen;
u_int i, last, fx, fy, px;
int utf8flag, n, wrapped, wrapflag;
int utf8flag, n, wrapped, wrapflag, cis;
const char *ptr;
if (*searchstr == '\0')
return;
@@ -1016,13 +1028,21 @@ window_copy_search_up(struct window_pane *wp, const char *searchstr)
fx--;
n = wrapped = 0;
cis = 1;
for (ptr = searchstr; *ptr != '\0'; ptr++) {
if (*ptr != tolower(*ptr)) {
cis = 0;
break;
}
}
retry:
sgd = ss.grid;
for (i = fy + 1; i > 0; i--) {
last = screen_size_x(s);
if (i == fy + 1)
last = fx;
n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last);
n = window_copy_search_rl(gd, sgd, &px, i - 1, 0, last, cis);
if (n) {
window_copy_scroll_to(wp, px, i - 1);
break;
@@ -1048,7 +1068,8 @@ window_copy_search_down(struct window_pane *wp, const char *searchstr)
struct grid_cell gc;
size_t searchlen;
u_int i, first, fx, fy, px;
int utf8flag, n, wrapped, wrapflag;
int utf8flag, n, wrapped, wrapflag, cis;
const char *ptr;
if (*searchstr == '\0')
return;
@@ -1074,13 +1095,22 @@ window_copy_search_down(struct window_pane *wp, const char *searchstr)
fx++;
n = wrapped = 0;
cis = 1;
for (ptr = searchstr; *ptr != '\0'; ptr++) {
if (*ptr != tolower(*ptr)) {
cis = 0;
break;
}
}
retry:
sgd = ss.grid;
for (i = fy + 1; i < gd->hsize + gd->sy + 1; i++) {
first = 0;
if (i == fy + 1)
first = fx;
n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx);
n = window_copy_search_lr(gd, sgd, &px, i - 1, first, gd->sx,
cis);
if (n) {
window_copy_scroll_to(wp, px, i - 1);
break;