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Case insensitive search works with accented letters. UTF-8 character set

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is assummed for now
This commit is contained in:
Witold Filipczyk 2006-07-18 12:31:30 +02:00 committed by Witold Filipczyk
parent 7dc2b5bf02
commit 02e098dc5a
1 changed files with 29 additions and 13 deletions
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42
src/viewer/text/search.c
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@ -9,6 +9,11 @@
#endif
#include <ctype.h> /* tolower(), isprint() */
#if defined(CONFIG_UTF_8) && defined(HAVE_WCTYPE_H)
#include <wctype.h>
#endif
#include <sys/types.h> /* FreeBSD needs this before regex.h */
#ifdef HAVE_REGEX_H
#include <regex.h>
@ -464,9 +469,19 @@ memacpy_u(unsigned char *text, int textlen)
#endif
}
static int
strlen_u(unsigned char *text)
{
#ifdef CONFIG_UTF_8
return strlen_utf8(&text);
#else
return strlen(text);
#endif
}
/* Returns an allocated string which is a lowered copy of passed one. */
static UCHAR *
lowered_string(UCHAR *text, int textlen)
lowered_string(unsigned char *text, int textlen)
{
UCHAR *ret;
@ -475,7 +490,11 @@ lowered_string(UCHAR *text, int textlen)
ret = memacpy_u(text, textlen);
if (ret && textlen) {
do {
#if defined(CONFIG_UTF_8) && defined(HAVE_WCTYPE_H)
ret[textlen] = towlower(ret[textlen]);
#else
ret[textlen] = tolower(ret[textlen]);
#endif
} while (textlen--);
}
@ -484,7 +503,7 @@ lowered_string(UCHAR *text, int textlen)
static int
is_in_range_plain(struct document *document, int y, int height,
unsigned *text, int textlen,
unsigned char *text, int textlen,
int *min, int *max,
struct search *s1, struct search *s2)
{
@ -501,9 +520,11 @@ is_in_range_plain(struct document *document, int y, int height,
* trivial, probably a starter; very fast as well) or Turbo-BM (or
* maybe some other Boyer-Moore variant, I don't feel that strong in
* this area), hmm? >:) --pasky */
#if defined(CONFIG_UTF_8) && defined(HAVE_WCTYPE_H)
#define maybe_tolower(c) (case_sensitive ? (c) : towlower(c))
#else
#define maybe_tolower(c) (case_sensitive ? (c) : tolower(c))
#endif
for (; s1 <= s2; s1++) {
int i;
@ -536,15 +557,6 @@ srch_failed:
return found;
}
static int
strlen_u(unsigned char *text)
{
#ifdef CONFIG_UTF_8
return strlen_utf8(&text);
#else
return strlen(text);
#endif
}
static int
is_in_range(struct document *document, int y, int height,
@ -593,7 +605,11 @@ get_searched_plain(struct document_view *doc_view, struct point **pt, int *pl,
xoffset = box->x - doc_view->vs->x;
yoffset = box->y - doc_view->vs->y;
#if defined(CONFIG_UTF_8) && defined(HAVE_WCTYPE_H)
#define maybe_tolower(c) (case_sensitive ? (c) : towlower(c))
#else
#define maybe_tolower(c) (case_sensitive ? (c) : tolower(c))
#endif
for (; s1 <= s2; s1++) {
int i;