1 files changed, 95 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/parser/validating/language-stl.cxx b/libxsde/xsde/cxx/parser/validating/language-stl.cxx
new file mode 100644
index 0000000..53e0e75
--- /dev/null
+++ b/libxsde/xsde/cxx/parser/validating/language-stl.cxx
@@ -0,0 +1,95 @@
+// file      : xsde/cxx/parser/validating/language-stl.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/parser/validating/language-stl.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    namespace parser
+    {
+      namespace validating
+      {
+        void language_pimpl::
+        _pre ()
+        {
+          str_.erase ();
+        }
+
+        void language_pimpl::
+        _characters (const ro_string& s)
+        {
+          if (str_.size () == 0)
+          {
+            ro_string tmp (s.data (), s.size ());
+
+            if (trim_left (tmp) != 0)
+              str_ += tmp;
+          }
+          else
+            str_ += s;
+        }
+
+        void language_pimpl::
+        _post ()
+        {
+          typedef ro_string::size_type size_type;
+
+          ro_string tmp (str_);
+          size_type size = trim_right (tmp);
+
+          // language := ALPHA{1,8} *(-(ALPHA | DIGIT){1,8})
+          //
+          bool ok = true;
+          size_type i = 0;
+
+          for (size_type tag = 0; ; ++tag)
+          {
+            size_type n = 0;
+
+            for (; i < size && n < 8; ++n, ++i)
+            {
+              char c = tmp[i];
+
+              if (!((c >= 'a' && c <= 'z') ||
+                    (c >= 'A' && c <= 'Z') ||
+                    (tag != 0 && c >= '0' && c <= '9')))
+                break;
+            }
+
+            if (n == 0)
+            {
+              ok = false;
+              break;
+            }
+
+            if (i == size)
+              break;
+
+            if (tmp[i++] != '-')
+            {
+              ok = false;
+              break;
+            }
+          }
+
+          if (ok)
+            str_.resize (size);
+          else
+            _schema_error (schema_error::invalid_language_value);
+        }
+
+        std::string language_pimpl::
+        post_language ()
+        {
+          std::string r;
+          r.swap (str_);
+          return r;
+        }
+      }
+    }
+  }
+}