1 files changed, 281 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/ro-string.hxx b/libxsde/xsde/cxx/ro-string.hxx
new file mode 100644
index 0000000..aebe6e3
--- /dev/null
+++ b/libxsde/xsde/cxx/ro-string.hxx
@@ -0,0 +1,281 @@
+// file      : xsde/cxx/ro-string.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#ifndef XSDE_CXX_RO_STRING_HXX
+#define XSDE_CXX_RO_STRING_HXX
+
+#include <xsde/cxx/config.hxx>
+
+#include <stddef.h> // size_t
+
+#ifdef XSDE_STL
+#  include <string>
+#endif
+
+#ifdef XSDE_IOSTREAM
+#  include <iosfwd>
+#endif
+
+#include <xsde/cxx/string.hxx>
+
+namespace xsde
+{
+  namespace cxx
+  {
+    // Read-only string.
+    //
+    struct ro_string
+    {
+      typedef size_t size_type;
+      static const size_t npos;
+
+    public:
+      ro_string ();
+      ro_string (const char*);
+      ro_string (const char*, size_t);
+      ro_string (const string&);
+
+#ifdef XSDE_STL
+      ro_string (const std::string&);
+      operator std::string () const;
+#endif
+
+    private:
+      ro_string (const ro_string&);
+
+      ro_string&
+      operator= (const ro_string&);
+
+    public:
+      // The returned string is not necessarily terminated  with '\0'.
+      // If size() returns 0, the returned pointer may be 0.
+      //
+      const char*
+      data () const;
+
+      size_t
+      size () const;
+
+      size_t
+      length () const;
+
+    public:
+      bool
+      empty () const;
+
+      char
+      operator[] (size_t) const;
+
+    public:
+      void
+      assign (const char*);
+
+      void
+      assign (const char*, size_t);
+
+      void
+      assign (const string&);
+
+#ifdef XSDE_STL
+      void
+      assign (const std::string&);
+#endif
+
+    public:
+      int
+      compare (const ro_string&) const;
+
+      int
+      compare (const char*) const;
+
+      int
+      compare (const char*, size_t) const;
+
+      int
+      compare (const string&) const;
+
+#ifdef XSDE_STL
+      int
+      compare (const std::string&) const;
+#endif
+
+    public:
+      size_t
+      find (char, size_t pos = 0) const;
+
+    private:
+      const char* data_;
+      size_t size_;
+    };
+
+
+    // operator ==
+    //
+
+    bool
+    operator== (const ro_string&, const ro_string&);
+
+    bool
+    operator== (const ro_string&, const char*);
+
+    bool
+    operator== (const char*, const ro_string&);
+
+    bool
+    operator== (const ro_string&, const string&);
+
+    bool
+    operator== (const string&, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator== (const ro_string&, const std::string&);
+
+    bool
+    operator== (const std::string&, const ro_string&);
+#endif
+
+
+    // operator !=
+    //
+
+    bool
+    operator!= (const ro_string&, const ro_string&);
+
+    bool
+    operator!= (const ro_string&, const char*);
+
+    bool
+    operator!= (const char*, const ro_string&);
+
+    bool
+    operator!= (const ro_string&, const string&);
+
+    bool
+    operator!= (const string&, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator!= (const ro_string&, const std::string&);
+
+    bool
+    operator!= (const std::string&, const ro_string&);
+#endif
+
+
+    // operator <
+    //
+
+    bool
+    operator< (const ro_string&, const ro_string&);
+
+    bool
+    operator< (const ro_string&, const char*);
+
+    bool
+    operator< (const char*, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator< (const ro_string&, const std::string&);
+
+    bool
+    operator< (const std::string&, const ro_string&);
+#endif
+
+
+    // operator >
+    //
+
+    bool
+    operator> (const ro_string&, const ro_string&);
+
+    bool
+    operator> (const ro_string&, const char*);
+
+    bool
+    operator> (const char*, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator> (const ro_string&, const std::string&);
+
+    bool
+    operator> (const std::string&, const ro_string&);
+#endif
+
+
+    // operator <=
+    //
+
+    bool
+    operator<= (const ro_string&, const ro_string&);
+
+    bool
+    operator<= (const ro_string&, const char*);
+
+    bool
+    operator<= (const char*, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator<= (const ro_string&, const std::string&);
+
+    bool
+    operator<= (const std::string&, const ro_string&);
+#endif
+
+
+    // operator>=
+    //
+
+    bool
+    operator>= (const ro_string&, const ro_string&);
+
+    bool
+    operator>= (const ro_string&, const char*);
+
+    bool
+    operator>= (const char*, const ro_string&);
+
+#ifdef XSDE_STL
+    bool
+    operator>= (const ro_string&, const std::string&);
+
+    bool
+    operator>= (const std::string&, const ro_string&);
+#endif
+
+    // operator +=
+    //
+#ifdef XSDE_STL
+    std::string&
+    operator+= (std::string&, const ro_string&);
+#endif
+
+    // operator <<
+    //
+#ifdef XSDE_IOSTREAM
+    std::ostream&
+    operator<< (std::ostream&, const ro_string&);
+#endif
+
+    // Trim leading and trailing XML whitespaces. Return the new
+    // string size.
+    //
+    size_t
+    trim_left (ro_string&);
+
+    size_t
+    trim_right (ro_string&);
+
+    size_t
+    trim (ro_string&);
+  }
+}
+
+#include <xsde/cxx/ro-string.ixx>
+
+#endif  // XSDE_CXX_RO_STRING_HXX