1 files changed, 116 insertions, 0 deletions
diff --git a/libxsde/xsde/cxx/ro-string.cxx b/libxsde/xsde/cxx/ro-string.cxx
new file mode 100644
index 0000000..c74b34f
--- /dev/null
+++ b/libxsde/xsde/cxx/ro-string.cxx
@@ -0,0 +1,116 @@
+// file      : xsde/cxx/ro-string.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 <xsde/cxx/ro-string.hxx>
+
+#ifdef XSDE_IOSTREAM
+#  include <iostream>
+#endif
+
+namespace xsde
+{
+  namespace cxx
+  {
+    // ro_string
+    const size_t ro_string::npos = ~(size_t (0));
+  
+    // operator <<
+    //
+#ifdef XSDE_IOSTREAM
+    std::ostream&
+    operator<< (std::ostream& os, const ro_string& str)
+    {
+      if (str.size () != 0)
+        os.write (str.data (), str.size ());
+
+      return os;
+    }
+#endif
+
+    size_t
+    trim_left (ro_string& s)
+    {
+      size_t size = s.size ();
+
+      if (size != 0)
+      {
+        const char* f = s.data ();
+        const char* l = f + size;
+        const char* of = f;
+
+        while (f < l &&
+               (*f == 0x20 || *f == 0x0A || *f == 0x0D || *f == 0x09))
+          ++f;
+
+        if (f != of)
+        {
+          size = f <= l ? l - f : 0;
+          s.assign ((f <= l ? f : 0), size);
+        }
+      }
+
+      return size;
+    }
+
+    size_t
+    trim_right (ro_string& s)
+    {
+      size_t size = s.size ();
+
+      if (size != 0)
+      {
+        const char* f = s.data ();
+        const char* l = f + size - 1;
+        const char* ol = l;
+
+        while (l > f &&
+               (*l == 0x20 || *l == 0x0A || *l == 0x0D || *l == 0x09))
+          --l;
+
+        if (l != ol)
+        {
+          size = f <= l ? l - f + 1 : 0;
+          s.assign ((f <= l ? f : 0), size);
+        }
+      }
+
+      return size;
+    }
+
+    size_t
+    trim (ro_string& s)
+    {
+      size_t size = s.size ();
+
+      if (size != 0)
+      {
+        const char* f = s.data ();
+        const char* l = f + size;
+
+        const char* of = f;
+
+        while (f < l &&
+               (*f == 0x20 || *f == 0x0A || *f == 0x0D || *f == 0x09))
+          ++f;
+
+        --l;
+
+        const char* ol = l;
+
+        while (l > f &&
+               (*l == 0x20 || *l == 0x0A || *l == 0x0D || *l == 0x09))
+          --l;
+
+        if (f != of || l != ol)
+        {
+          size = f <= l ? l - f + 1 : 0;
+          s.assign ((f <= l ? f : 0), size);
+        }
+      }
+
+      return size;
+    }
+  }
+}