1 files changed, 105 insertions, 0 deletions
diff --git a/src/sksl/SkSLString.h b/src/sksl/SkSLString.h
new file mode 100644
index 0000000000..73ba74643e
--- /dev/null
+++ b/src/sksl/SkSLString.h
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SKSL_STRING
+#define SKSL_STRING
+
+
+#ifdef SKSL_STANDALONE
+    #define SKSL_STRING_BASE std::string
+    #include <string>
+#else
+    #define SKSL_STRING_BASE SkString
+    #include "SkString.h"
+#endif
+
+namespace SkSL {
+
+class String : public SKSL_STRING_BASE {
+public:
+    String() = default;
+    String(const String&) = default;
+    String(String&&) = default;
+    String& operator=(const String&) = default;
+    String& operator=(String&&) = default;
+
+#ifndef SKSL_STANDALONE
+    String(const SkString& s)
+    : INHERITED(s) {}
+#endif
+
+    String(const char* s)
+    : INHERITED(s) {}
+
+    String(const char* s, size_t size)
+    : INHERITED(s, size) {}
+
+    static String printf(const char* fmt, ...);
+
+#ifdef SKSL_STANDALONE
+    void appendf(const char* fmt, ...);
+#endif
+    void vappendf(const char* fmt, va_list va);
+
+    bool startsWith(const char* s) const;
+    bool endsWith(const char* s) const;
+
+    String operator+(const char* s) const;
+    String operator+(const String& s) const;
+    bool operator==(const char* s) const;
+    bool operator!=(const char* s) const;
+    bool operator==(const String& s) const;
+    bool operator!=(const String& s) const;
+    friend String operator+(const char* s1, const String& s2);
+    friend bool operator==(const char* s1, const String& s2);
+    friend bool operator!=(const char* s1, const String& s2);
+
+private:
+    typedef SKSL_STRING_BASE INHERITED;
+};
+
+String operator+(const char* s1, const String& s2);
+bool operator!=(const char* s1, const String& s2);
+
+String to_string(double value);
+
+String to_string(int32_t value);
+
+String to_string(uint32_t value);
+
+String to_string(int64_t value);
+
+String to_string(uint64_t value);
+
+int stoi(String s);
+
+double stod(String s);
+
+long stol(String s);
+
+} // namespace
+
+#ifdef SKSL_STANDALONE
+namespace std {
+    template<> struct hash<SkSL::String> {
+        size_t operator()(const SkSL::String& s) const {
+            return hash<std::string>{}(s);
+        }
+    };
+} // namespace
+#else
+#include "SkOpts.h"
+namespace std {
+    template<> struct hash<SkSL::String> {
+        size_t operator()(const SkSL::String& s) const {
+            return SkOpts::hash_fn(s.c_str(), s.size(), 0);
+        }
+    };
+} // namespace
+#endif // SKIA_STANDALONE
+
+#endif