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authorJörg Frings-Fürst <debian@jff-webhosting.net>2016-12-28 16:52:56 +0100
committerJörg Frings-Fürst <debian@jff-webhosting.net>2016-12-28 16:52:56 +0100
commit7b358424ebad9349421acd533c2fa1cbf6cf3e3e (patch)
tree686678532eefed525c242fd214d0cfb2914726c5 /app/tools/halibut/charset/xenc.c
Initial import of xtrkcad version 1:4.0.2-2
Diffstat (limited to 'app/tools/halibut/charset/xenc.c')
-rw-r--r--app/tools/halibut/charset/xenc.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/app/tools/halibut/charset/xenc.c b/app/tools/halibut/charset/xenc.c
new file mode 100644
index 0000000..d27dafb
--- /dev/null
+++ b/app/tools/halibut/charset/xenc.c
@@ -0,0 +1,95 @@
+/*
+ * xenc.c - translate our internal character set codes to and from
+ * X11 character encoding names.
+ *
+ */
+
+#include <ctype.h>
+#include "charset.h"
+#include "internal.h"
+
+static const struct {
+ const char *name;
+ int charset;
+} xencs[] = {
+ /*
+ * Officially registered encoding names. This list is derived
+ * from the font encodings section of
+ *
+ * http://ftp.x.org/pub/DOCS/registry
+ *
+ * Where multiple encoding names map to the same encoding id
+ * (such as iso8859-15 and fcd8859-15), the first is considered
+ * canonical and will be returned when translating the id to a
+ * string.
+ */
+ { "iso646.1991-irv", CS_ASCII },
+ { "iso8859-1", CS_ISO8859_1 },
+ { "iso8859-2", CS_ISO8859_2 },
+ { "iso8859-3", CS_ISO8859_3 },
+ { "iso8859-4", CS_ISO8859_4 },
+ { "iso8859-5", CS_ISO8859_5 },
+ { "iso8859-6", CS_ISO8859_6 },
+ { "iso8859-7", CS_ISO8859_7 },
+ { "iso8859-8", CS_ISO8859_8 },
+ { "iso8859-9", CS_ISO8859_9 },
+ { "iso8859-10", CS_ISO8859_10 },
+ { "iso8859-13", CS_ISO8859_13 },
+ { "iso8859-14", CS_ISO8859_14 },
+ { "iso8859-15", CS_ISO8859_15 },
+ { "fcd8859-15", CS_ISO8859_15 },
+ { "hp-roman8", CS_HP_ROMAN8 },
+ { "koi8-r", CS_KOI8_R },
+ { "jisx0201.1976-0", CS_JISX0201 },
+ /*
+ * Unofficial encoding names found in the wild.
+ */
+ { "iso8859-16", CS_ISO8859_16 },
+ { "koi8-u", CS_KOI8_U },
+ { "ibm-cp437", CS_CP437 },
+ { "ibm-cp850", CS_CP850 },
+ { "ibm-cp866", CS_CP866 },
+ { "microsoft-cp1250", CS_CP1250 },
+ { "microsoft-cp1251", CS_CP1251 },
+ { "microsoft-cp1252", CS_CP1252 },
+ { "microsoft-cp1253", CS_CP1253 },
+ { "microsoft-cp1254", CS_CP1254 },
+ { "microsoft-cp1255", CS_CP1255 },
+ { "microsoft-cp1256", CS_CP1256 },
+ { "microsoft-cp1257", CS_CP1257 },
+ { "microsoft-cp1258", CS_CP1258 },
+ { "mac-roman", CS_MAC_ROMAN },
+ { "viscii1.1-1", CS_VISCII },
+ { "viscii1-1", CS_VISCII },
+};
+
+const char *charset_to_xenc(int charset)
+{
+ int i;
+
+ for (i = 0; i < (int)lenof(xencs); i++)
+ if (charset == xencs[i].charset)
+ return xencs[i].name;
+
+ return NULL; /* not found */
+}
+
+int charset_from_xenc(const char *name)
+{
+ int i;
+
+ for (i = 0; i < (int)lenof(xencs); i++) {
+ const char *p, *q;
+ p = name;
+ q = xencs[i].name;
+ while (*p || *q) {
+ if (tolower(*p) != tolower(*q))
+ break;
+ p++; q++;
+ }
+ if (!*p && !*q)
+ return xencs[i].charset;
+ }
+
+ return CS_NONE; /* not found */
+}