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authorTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:45:29 +0000
committerTatsuya Kinoshita <tats@vega.ocn.ne.jp>2011-05-04 07:45:29 +0000
commit2945f70be161735bf7efaefde43125a9ad3a4c88 (patch)
treeda85d4bca39cba5a7c4e6714c8b73d6a8cd547fe /libwc/ucs.c
parentReleasing debian version 0.5.2-10 (diff)
downloadw3m-2945f70be161735bf7efaefde43125a9ad3a4c88.tar.gz
w3m-2945f70be161735bf7efaefde43125a9ad3a4c88.zip
Releasing debian version 0.5.3-1debian/0.5.3-1
Diffstat (limited to 'libwc/ucs.c')
-rw-r--r--libwc/ucs.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/libwc/ucs.c b/libwc/ucs.c
index 2534b5a..d7b6948 100644
--- a/libwc/ucs.c
+++ b/libwc/ucs.c
@@ -17,11 +17,17 @@
#include "ucs.map"
+#include "map/ucs_ambwidth.map"
#include "map/ucs_wide.map"
#include "map/ucs_combining.map"
#include "map/ucs_precompose.map"
#include "map/ucs_hangul.map"
#include "map/ucs_fullwidth.map"
+#include "map/ucs_isalpha.map"
+#include "map/ucs_isdigit.map"
+#include "map/ucs_islower.map"
+#include "map/ucs_isupper.map"
+#include "map/ucs_case.map"
#define MAX_TAG_MAP 0x100
static int n_tag_map = 0;
@@ -107,6 +113,8 @@ wc_any_to_ucs(wc_wchar_t cc)
f = WC_CCS_INDEX(cc.ccs);
switch (WC_CCS_TYPE(cc.ccs)) {
case WC_CCS_A_CS94:
+ if (cc.ccs == WC_CCS_US_ASCII)
+ return cc.code;
if (f < WC_F_ISO_BASE || f > WC_F_CS94_END)
return WC_C_UCS4_ERROR;
map = cs94_ucs_map[f - WC_F_ISO_BASE];
@@ -511,11 +519,26 @@ wc_ucs_to_ccs(wc_uint32 ucs)
if (0x80 <= ucs && ucs <= 0x9F)
return WC_CCS_C1;
return ((ucs <= WC_C_UCS2_END) ? WC_CCS_UCS2 : WC_CCS_UCS4)
+ | ((WcOption.east_asian_width && wc_is_ucs_ambiguous_width(ucs))
+ ? WC_CCS_A_WIDE : 0)
| (wc_is_ucs_wide(ucs) ? WC_CCS_A_WIDE : 0)
| (wc_is_ucs_combining(ucs) ? WC_CCS_A_COMB : 0);
}
wc_bool
+wc_is_ucs_ambiguous_width(wc_uint32 ucs)
+{
+ if (0xa1 <= ucs && ucs <= 0xfe && WcOption.use_jisx0213)
+ return 1;
+ else if (ucs <= WC_C_UCS2_END)
+ return (wc_map_range_search((wc_uint16)ucs,
+ ucs_ambwidth_map, N_ucs_ambwidth_map) != NULL);
+ else
+ return ((0xF0000 <= ucs && ucs <= 0xFFFFD)
+ || (0x100000 <= ucs && ucs <= 0x10FFFD));
+}
+
+wc_bool
wc_is_ucs_wide(wc_uint32 ucs)
{
if (ucs <= WC_C_UCS2_END)
@@ -542,6 +565,74 @@ wc_is_ucs_hangul(wc_uint32 ucs)
ucs_hangul_map, N_ucs_hangul_map) != NULL);
}
+wc_bool
+wc_is_ucs_alpha(wc_uint32 ucs)
+{
+ return (ucs <= WC_C_UCS2_END &&
+ wc_map_range_search((wc_uint16)ucs,
+ ucs_isalpha_map, N_ucs_isalpha_map) != NULL);
+}
+
+wc_bool
+wc_is_ucs_digit(wc_uint32 ucs)
+{
+ return (ucs <= WC_C_UCS2_END &&
+ wc_map_range_search((wc_uint16)ucs,
+ ucs_isdigit_map, N_ucs_isdigit_map) != NULL);
+}
+
+wc_bool
+wc_is_ucs_alnum(wc_uint32 ucs)
+{
+ return (wc_is_ucs_alpha(ucs) || wc_is_ucs_digit(ucs));
+}
+
+wc_bool
+wc_is_ucs_lower(wc_uint32 ucs)
+{
+ return (ucs <= WC_C_UCS2_END &&
+ wc_map_range_search((wc_uint16)ucs,
+ ucs_islower_map, N_ucs_islower_map) != NULL);
+}
+
+wc_bool
+wc_is_ucs_upper(wc_uint32 ucs)
+{
+ return (ucs <= WC_C_UCS2_END &&
+ wc_map_range_search((wc_uint16)ucs,
+ ucs_isupper_map, N_ucs_isupper_map) != NULL);
+}
+
+wc_uint32
+wc_ucs_toupper(wc_uint32 ucs)
+{
+ wc_map *conv = NULL;
+ if (ucs <= WC_C_UCS2_END)
+ conv = wc_map_search((wc_uint16)ucs,
+ ucs_toupper_map, N_ucs_toupper_map);
+ return conv ? (wc_uint32)(conv->code2) : ucs;
+}
+
+wc_uint32
+wc_ucs_tolower(wc_uint32 ucs)
+{
+ wc_map *conv = NULL;
+ if (ucs <= WC_C_UCS2_END)
+ conv = wc_map_search((wc_uint16)ucs,
+ ucs_tolower_map, N_ucs_tolower_map);
+ return conv ? (wc_uint32)(conv->code2) : ucs;
+}
+
+wc_uint32
+wc_ucs_totitle(wc_uint32 ucs)
+{
+ wc_map *conv = NULL;
+ if (ucs <= WC_C_UCS2_END)
+ conv = wc_map_search((wc_uint16)ucs,
+ ucs_totitle_map, N_ucs_totitle_map);
+ return conv ? (wc_uint32)(conv->code2) : ucs;
+}
+
wc_uint32
wc_ucs_precompose(wc_uint32 ucs1, wc_uint32 ucs2)
{