1 files changed, 34 insertions, 0 deletions
diff --git a/src/utils.h b/src/utils.h
index 48435844..6bd67146 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -646,6 +646,40 @@ inline string to_hex(uint_least32_t * message_digest, const int len = 1)
   return buf.str();
 }
 
+class push_xml
+{
+  std::ostream& out;
+  string tag;
+public:
+  push_xml(std::ostream& _out, const string& _tag) : out(_out), tag(_tag) {
+    out << '<' << tag << '>';
+  }
+  ~push_xml() {
+    out << "</" << tag << '>';
+  }
+
+  string guard(const string& str) {
+    std::ostringstream buf;
+    foreach (const char& ch, str) {
+      switch (ch) {
+      case '<':
+	buf << "&lt;";
+	break;
+      case '>':
+	buf << "&gt;";
+	break;
+      case '&':
+	buf << "&amp;";
+	break;
+      default:
+	buf << ch;
+	break;
+      }
+    }
+    return buf.str();
+  }
+};
+
 extern const string version;
 
 } // namespace ledger