1 files changed, 81 insertions, 0 deletions
diff --git a/intern/cycles/util/string.h b/intern/cycles/util/string.h
new file mode 100644
index 00000000000..cc20a6df120
--- /dev/null
+++ b/intern/cycles/util/string.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2011-2013 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <sstream>
+#include <string.h>
+#include <string>
+
+/* Use string view implementation from OIIO.
+ * Ideally, need to switch to `std::string_view`, but this first requires getting rid of using
+ * namespace OIIO as it causes symbol collision. */
+#include <OpenImageIO/string_view.h>
+
+#include "util/vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+using std::istringstream;
+using std::ostringstream;
+using std::string;
+using std::stringstream;
+using std::to_string;
+
+using OIIO::string_view;
+
+#ifdef __GNUC__
+#  define PRINTF_ATTRIBUTE __attribute__((format(printf, 1, 2)))
+#else
+#  define PRINTF_ATTRIBUTE
+#endif
+
+string string_printf(const char *format, ...) PRINTF_ATTRIBUTE;
+
+bool string_iequals(const string &a, const string &b);
+void string_split(vector<string> &tokens,
+                  const string &str,
+                  const string &separators = "\t ",
+                  bool skip_empty_tokens = true);
+void string_replace(string &haystack, const string &needle, const string &other);
+bool string_startswith(string_view s, string_view start);
+bool string_endswith(string_view s, string_view end);
+string string_strip(const string &s);
+string string_remove_trademark(const string &s);
+string string_from_bool(const bool var);
+string to_string(const char *str);
+string string_to_lower(const string &s);
+
+/* Wide char strings are only used on Windows to deal with non-ASCII
+ * characters in file names and such. No reason to use such strings
+ * for something else at this moment.
+ *
+ * Please note that strings are expected to be in UTF-8 codepage, and
+ * if ANSI is needed then explicit conversion required.
+ */
+#ifdef _WIN32
+using std::wstring;
+wstring string_to_wstring(const string &path);
+string string_from_wstring(const wstring &path);
+string string_to_ansi(const string &str);
+#endif
+
+/* Make a string from a size in bytes in human readable form. */
+string string_human_readable_size(size_t size);
+/* Make a string from a unit-less quantity in human readable form. */
+string string_human_readable_number(size_t num);
+
+CCL_NAMESPACE_END