1 files changed, 128 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/iso8859-1.ixx b/libxsde/xsde/cxx/iso8859-1.ixx
new file mode 100644
index 0000000..716be53
--- /dev/null
+++ b/libxsde/xsde/cxx/iso8859-1.ixx
@@ -0,0 +1,128 @@
+// file      : xsde/cxx/iso8859-1.ixx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+namespace xsde
+{
+  namespace cxx
+  {
+    inline bool iso8859_1::
+    ascii_utf (const char* s, size_t& rn)
+    {
+      // NULL string is an ASCII string.
+      //
+      if (s == 0)
+        return true;
+
+      bool r = true;
+      size_t l = 0;
+
+      for (; *s != 0; ++s, ++l)
+      {
+        unsigned char c (*s);
+
+        if (c > 0x7F)
+        {
+          if ((c >> 5) == 0x06)
+            ++s;
+          else if ((c >> 4) == 0x0E)
+            s += 2;
+          else if ((c >> 3) == 0x1E)
+            s += 3;
+
+          r = false;
+        }
+      }
+
+      rn = l + 1;
+      return r;
+    }
+
+    inline bool iso8859_1::
+    ascii_utf (const char* s, size_t n, size_t& rn)
+    {
+      // NULL string is an ASCII string.
+      //
+      if (s == 0)
+        return true;
+
+      bool r = true;
+      size_t l = 0;
+      const char* end = s + n;
+
+      for (; s != end; ++s, ++l)
+      {
+        unsigned char c (*s);
+
+        if (c > 0x7F)
+        {
+          if ((c >> 5) == 0x06)
+            ++s;
+          else if ((c >> 4) == 0x0E)
+            s += 2;
+          else if ((c >> 3) == 0x1E)
+            s += 3;
+
+          r = false;
+        }
+      }
+
+      rn = l + 1;
+      return r;
+    }
+
+    inline bool iso8859_1::
+    ascii_iso (const char* s, size_t& rn)
+    {
+      // NULL string is an ASCII string.
+      //
+      if (s == 0)
+        return true;
+
+      bool r = true;
+      size_t l = 0;
+
+      for (; *s != 0; ++s, ++l)
+      {
+        unsigned char c (*s);
+
+        if (c > 0x7F)
+        {
+          ++l; // 2-byte surrogate.
+          r = false;
+        }
+      }
+
+      rn = l + 1;
+      return r;
+    }
+
+    inline bool iso8859_1::
+    ascii_iso (const char* s, size_t n, size_t& rn)
+    {
+      // NULL string is an ASCII string.
+      //
+      if (s == 0)
+        return true;
+
+      bool r = true;
+      size_t l = 0;
+      const char* end = s + n;
+
+      for (; s != end; ++s, ++l)
+      {
+        unsigned char c (*s);
+
+        if (c > 0x7F)
+        {
+          ++l; // 2-byte surrogate.
+          r = false;
+        }
+      }
+
+      rn = l + 1;
+      return r;
+    }
+  }
+}