merge m17n patch

add libwc

1 files changed, 43 insertions, 0 deletions

diff --git a/libwc/combining.c b/libwc/combining.c
new file mode 100644
index 0000000..e40c7f4
--- /dev/null
+++ b/libwc/combining.c
@@ -0,0 +1,43 @@
+
+#include "wc.h"
+#ifdef USE_UNICODE
+#include "ucs.h"
+#endif
+#include "map/iso88596_combining.map"
+#include "map/iso885911_combining.map"
+#include "map/cp864_combining.map"
+#include "map/cp874_combining.map"
+#include "map/cp1255_combining.map"
+#include "map/cp1256_combining.map"
+#include "map/cp1258_combining.map"
+#include "map/tcvn5712_combining.map"
+
+wc_bool
+wc_is_combining(wc_wchar_t cc)
+{
+    switch (WC_CCS_SET(cc.ccs)) {
+    case WC_CCS_ISO_8859_6:
+	return iso88596_combining_map[cc.code & 0x7f];
+    case WC_CCS_ISO_8859_11:
+	return iso885911_combining_map[cc.code & 0x7f];
+    case WC_CCS_CP864:
+	return cp864_combining_map[cc.code & 0x7f];
+    case WC_CCS_CP874:
+	return cp874_combining_map[cc.code & 0x7f];
+    case WC_CCS_CP1255:
+	return cp1255_combining_map[cc.code & 0x7f];
+    case WC_CCS_CP1256:
+	return cp1256_combining_map[cc.code & 0x7f];
+    case WC_CCS_CP1258_1:
+	return cp1258_combining_map[cc.code & 0x7f];
+    case WC_CCS_TCVN_5712_1:
+	return tcvn5712_combining_map[cc.code & 0x7f];
+#ifdef USE_UNICODE
+    case WC_CCS_UCS2:
+    case WC_CCS_UCS4:
+    case WC_CCS_UCS_TAG:
+	return wc_is_ucs_combining(cc.code);
+#endif
+    }
+    return WC_FALSE;
+}