1 files changed, 71 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/parser/validating/byte.cxx b/libxsde/xsde/cxx/parser/validating/byte.cxx
new file mode 100644
index 0000000..a18c26a
--- /dev/null
+++ b/libxsde/xsde/cxx/parser/validating/byte.cxx
@@ -0,0 +1,71 @@
+// file      : xsde/cxx/parser/validating/byte.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 <stdlib.h> // strtoul
+
+#include <xsde/cxx/parser/validating/byte.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    namespace parser
+    {
+      namespace validating
+      {
+        void byte_pimpl::
+        _pre ()
+        {
+          size_ = 0;
+          sign_ = none;
+          state_ = leading_ws;
+        }
+
+        void byte_pimpl::
+        _characters (const ro_string& s)
+        {
+          if (!parse (s, str_, 4))
+            _schema_error (schema_error::invalid_byte_value);
+        }
+
+        void byte_pimpl::
+        _post ()
+        {
+          ro_string tmp (str_, size_);
+          size_t size = trim_right (tmp);
+
+          if (size != 0 && tmp[0] != '-' && tmp[0] != '+')
+          {
+            str_[size] = '\0';
+
+            // No need to check errno since our string representation
+            // can never overflow an unsigned long.
+            //
+            char* p;
+            unsigned long ul = strtoul (str_, &p, 10);
+
+            bool neg = (sign_ == minus);
+
+            if (*p != '\0' || (neg && ul > 128) || (!neg && ul > 127))
+              _schema_error (schema_error::invalid_byte_value);
+
+            value_ = neg
+              ? static_cast<signed char> (-static_cast<short> (ul))
+              : static_cast<signed char> (ul);
+          }
+          else
+            _schema_error (schema_error::invalid_byte_value);
+        }
+
+        signed char byte_pimpl::
+        post_byte ()
+        {
+          return value_;
+        }
+      }
+    }
+  }
+}
+