1 files changed, 90 insertions, 0 deletions
diff --git a/blahtexml/source/BlahtexXMLin/XercesString.cpp b/blahtexml/source/BlahtexXMLin/XercesString.cpp
new file mode 100644
index 0000000..69c8613
--- /dev/null
+++ b/blahtexml/source/BlahtexXMLin/XercesString.cpp
@@ -0,0 +1,90 @@
+// File "XercesString.cpp"
+//
+// blahtexml (version 0.5)
+// Copyright (C) 2007-2008, Gilles Van Assche
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+#include <iostream>
+#include "XercesString.h"
+
+XercesString::XercesString()
+    : basic_string<XMLCh>()
+{
+}
+
+XercesString::XercesString(const XMLCh *s)
+    : basic_string<XMLCh>(s)
+{
+}
+
+XercesString::XercesString(const char *s)
+    : basic_string<XMLCh>()
+{
+    XMLCh *Xs = XMLString::transcode(s);
+    assign(Xs);
+    XMLString::release(&Xs);
+}
+
+XercesString::XercesString(const wstring& in)
+    : basic_string<XMLCh>()
+{
+    for(unsigned int i=0; i<in.length(); ++i) {
+        wchar_t utf32 = in[i];
+        if (utf32 >= 0x10000UL) {
+            push_back(0xD800 - 0x40 + (utf32 >> 10));
+            push_back(0xDC00 + (utf32 & 0x3FF));
+        }
+        else
+            push_back(utf32);
+    }
+}
+
+wstring XercesString::convertTowstring()
+{
+    wstring out;
+    wchar_t ucs4;
+    bool firstSurrogate = false;
+    for(unsigned int i=0; i<length(); ++i) {
+        XMLCh utf16 = at(i);
+        if (firstSurrogate) {
+            if ((utf16 & 0xFC00) == 0xDC00) {
+                ucs4 += utf16-0xDC00UL+0x10000UL;
+                out.push_back(ucs4);
+            }
+            /*else
+                throw (...);*/
+            firstSurrogate = false;
+        }
+        else if ((utf16 & 0xFC00) == 0xD800) {
+            ucs4 = (utf16-0xD800UL) << 10;
+            firstSurrogate = true;
+        }
+        else {
+            out.push_back(utf16);
+        }
+    }
+    return out;
+}
+
+using namespace std;
+
+ostream& operator<<(ostream& out, const XercesString& s)
+{
+    char *temp = XMLString::transcode(s.c_str());
+    out << temp;
+    XMLString::release(&temp);
+    return out;
+}