Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/TranslateInputCodingSystem.C

@@ -0,0 +1,54 @@
+/* $XConsortium: TranslateInputCodingSystem.C /main/1 1996/07/29 17:06:28 cde-hp $ */
+// Copyright (c) 1995 James Clark
+// See the file COPYING for copying permission.
+
+#include "splib.h"
+#include "TranslateInputCodingSystem.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+class TranslateDecoder : public Decoder {
+public:
+  TranslateDecoder(const Char *table);
+  size_t decode(Char *to, const char *from, size_t fromLen,
+		const char **rest);
+  Boolean convertOffset(unsigned long &offset) const;
+private:
+  const Char *table_;
+};
+
+TranslateInputCodingSystem::TranslateInputCodingSystem(const Char *table)
+: table_(table)
+{
+}
+
+Decoder *TranslateInputCodingSystem::makeDecoder() const
+{
+  return new TranslateDecoder(table_);
+}
+
+TranslateDecoder::TranslateDecoder(const Char *table)
+: table_(table)
+{
+}
+
+size_t TranslateDecoder::decode(Char *to, const char *from, size_t fromLen,
+				const char **rest)
+{
+  for (size_t n = fromLen; n > 0; n--)
+    *to++ = table_[(unsigned char)*from++]; // zero extend
+  *rest = from;
+  return fromLen;
+}
+
+Boolean TranslateDecoder::convertOffset(unsigned long &) const
+{
+  return true;
+}
+
+
+#ifdef SP_NAMESPACE
+}
+#endif