1 files changed, 43 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/xml/ncname.cxx b/libxsde/xsde/cxx/xml/ncname.cxx
new file mode 100644
index 0000000..788a73d
--- /dev/null
+++ b/libxsde/xsde/cxx/xml/ncname.cxx
@@ -0,0 +1,43 @@
+// file      : xsde/cxx/xml/ncname.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <xsde/cxx/xml/char-table.hxx>
+#include <xsde/cxx/xml/ncname.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    namespace xml
+    {
+      bool
+      valid_ncname (const char* s, size_t size)
+      {
+        // For now we are only checking the US-ASCII characters.
+        //
+
+        bool ok = (size != 0);
+
+        if (ok)
+        {
+          unsigned char c = static_cast<unsigned char> (s[0]);
+
+          ok = c >= 0x80 ||
+            ((char_table[c] & name_first_char_mask) && c != ':');
+
+          for (size_t i = 1; ok && i < size; ++i)
+          {
+            c = static_cast<unsigned char> (s[i]);
+
+            if (c < 0x80 && !(xml::char_table[c] & xml::ncname_char_mask))
+              ok = false;
+          }
+        }
+
+        return ok;
+      }
+    }
+  }
+}