1 files changed, 77 insertions, 0 deletions
diff --git a/src/util/shared-c-string-ptr.h b/src/util/shared-c-string-ptr.h
new file mode 100644
index 000000000..b88f4cf99
--- /dev/null
+++ b/src/util/shared-c-string-ptr.h
@@ -0,0 +1,77 @@
+/*
+ * Inkscape::Util::SharedCStringPtr - shared and immutable strings
+ *
+ * Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2004 MenTaLguY
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifndef SEEN_INKSCAPE_UTIL_SHARED_C_STRING_PTR_H
+#define SEEN_INKSCAPE_UTIL_SHARED_C_STRING_PTR_H
+
+#include <sys/types.h>
+#include <glib/gtypes.h>
+
+namespace Inkscape {
+
+namespace Util {
+
+class SharedCStringPtr {
+public:
+    SharedCStringPtr() : _str(NULL) {}
+
+    operator char const *() const { return cString(); }
+
+    char operator[](size_t i) const { return cString()[i]; }
+
+    char const *cString() const { return _str; }
+
+    static SharedCStringPtr coerce(char const *s) { return SharedCStringPtr(s); }
+    static SharedCStringPtr copy(char const *s);
+    static SharedCStringPtr copy(char const *s, size_t len);
+
+    operator bool() const { return _str; }
+
+    bool operator==(SharedCStringPtr const &other) { return _str == other._str; }
+    bool operator!=(SharedCStringPtr const &other) { return _str != other._str; }
+
+private:
+    SharedCStringPtr(char const *s) : _str(s) {}
+
+    char const *_str;
+};
+
+inline bool operator==(SharedCStringPtr const &ss, char const *s) {
+    return ss.cString() == s;
+}
+
+inline bool operator==(char const *s, SharedCStringPtr const &ss) {
+    return operator==(ss, s);
+}
+
+inline bool operator!=(SharedCStringPtr const &ss, char const *s) {
+    return !operator==(ss, s);
+}
+
+inline bool operator!=(char const *s, SharedCStringPtr const &ss) {
+    return !operator==(s, ss);
+}
+
+}
+
+}
+
+#endif
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :