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authorIto Hiroyuki <ZXB01226@nifty.com>2010-07-25 09:55:05 +0000
committerIto Hiroyuki <ZXB01226@nifty.com>2010-07-25 09:55:05 +0000
commite2782c2ae915a60778c3c43804926f1efc92cc6a (patch)
treed1195dc29ff2c4b4c859634b670b03549c34367b /libwc/ucs.c
parent[w3m-dev 04326] suppress compile warnings. (diff)
downloadw3m-e2782c2ae915a60778c3c43804926f1efc92cc6a.tar.gz
w3m-e2782c2ae915a60778c3c43804926f1efc92cc6a.zip
* merge ambiguous width patch
* http://www.j10n.org/files/w3m-cvs-1.914-ambwidth.patch
Diffstat (limited to 'libwc/ucs.c')
-rw-r--r--libwc/ucs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/libwc/ucs.c b/libwc/ucs.c
index 2534b5a..3645456 100644
--- a/libwc/ucs.c
+++ b/libwc/ucs.c
@@ -17,6 +17,7 @@
#include "ucs.map"
+#include "map/ucs_ambwidth.map"
#include "map/ucs_wide.map"
#include "map/ucs_combining.map"
#include "map/ucs_precompose.map"
@@ -511,11 +512,26 @@ 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)