From 1ca6396a3dd284241de11bcaa210ad5836e8e5a8 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 8 Dec 2009 16:18:01 +0200
Subject: Multiple object model character encodings support

Also add support for ISO-8859-1.
---
 libxsd/xsd/cxx/xml/char-iso8859-1.txx | 101 ++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 libxsd/xsd/cxx/xml/char-iso8859-1.txx

(limited to 'libxsd/xsd/cxx/xml/char-iso8859-1.txx')

diff --git a/libxsd/xsd/cxx/xml/char-iso8859-1.txx b/libxsd/xsd/cxx/xml/char-iso8859-1.txx
new file mode 100644
index 0000000..6b20f01
--- /dev/null
+++ b/libxsd/xsd/cxx/xml/char-iso8859-1.txx
@@ -0,0 +1,101 @@
+// file      : xsd/cxx/xml/char-iso8859-1.txx
+// 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 <xsd/cxx/auto-array.hxx>
+
+namespace xsd
+{
+  namespace cxx
+  {
+    namespace xml
+    {
+      template <typename C>
+      C char_iso8859_1_transcoder<C>::unrep_char_ = 0;
+
+      template <typename C>
+      std::basic_string<C> char_iso8859_1_transcoder<C>::
+      to (const XMLCh* s, std::size_t len)
+      {
+        const XMLCh* end (s + len);
+
+        // Find what the resulting buffer size will be.
+        //
+        std::size_t rl (0);
+        unsigned int u (0); // Four byte UCS-4 char.
+
+        bool valid (true);
+        const XMLCh* p (s);
+
+        for (; p < end; ++p)
+        {
+          if (*p >= 0xD800 && *p <= 0xDBFF)
+          {
+            // Make sure we have one more char and it has a valid
+            // value for the second char in a surrogate pair.
+            //
+            if (++p == end || !((*p >= 0xDC00) && (*p <= 0xDFFF)))
+            {
+              valid = false;
+              break;
+            }
+          }
+
+          rl++;
+        }
+
+        if (!valid)
+          throw invalid_utf16_string ();
+
+        std::basic_string<C> r;
+        r.reserve (rl + 1);
+        r.resize (rl);
+        C* rs (const_cast<C*> (r.c_str ()));
+        std::size_t i (0);
+
+        p = s;
+
+        // Tight first loop for the common case.
+        //
+        for (; p < end && *p < 0x100; ++p)
+          rs[i++] = C (*p);
+
+        if (p < end && unrep_char_ == 0)
+          throw iso8859_1_unrepresentable ();
+
+        for (; p < end; ++p)
+        {
+          XMLCh x (*p);
+
+          if ((x >= 0xD800) && (x <= 0xDBFF))
+          {
+            u = ((x - 0xD800) << 10) + (*++p - 0xDC00) + 0x10000;
+          }
+          else
+            u = x;
+
+          rs[i++] = u < 0x100 ? C (u) : unrep_char_;
+        }
+
+        return r;
+      }
+
+      template <typename C>
+      XMLCh* char_iso8859_1_transcoder<C>::
+      from (const C* s, std::size_t len)
+      {
+        const C* end (s + len);
+
+        auto_array<XMLCh> r (new XMLCh[len + 1]);
+        XMLCh* ir (r.get ());
+
+        for (const C* p (s); p < end; ++p)
+          *ir++ = static_cast<unsigned char> (*p);
+
+        *ir = XMLCh (0);
+        return r.release ();
+      }
+    }
+  }
+}
-- 
cgit v1.1