Imported Upstream version 0.26.0

components/to_utf8/to_utf8.hpp

@@ -0,0 +1,55 @@
+#ifndef COMPONENTS_TOUTF8_H
+#define COMPONENTS_TOUTF8_H
+
+#include <string>
+#include <cstring>
+#include <vector>
+
+namespace ToUTF8
+{
+    // These are all the currently supported code pages
+    enum FromType
+    {
+        WINDOWS_1250,      // Central ane Eastern European languages
+        WINDOWS_1251,      // Cyrillic languages
+        WINDOWS_1252,       // Used by English version of Morrowind (and
+            // probably others)
+        CP437           // Used for fonts (*.fnt) if data files encoding is 1252. Otherwise, uses the same encoding as the data files.
+    };
+
+    FromType calculateEncoding(const std::string& encodingName);
+    std::string encodingUsingMessage(const std::string& encodingName);
+
+    // class
+
+    class Utf8Encoder
+    {
+        public:
+            Utf8Encoder(FromType sourceEncoding);
+
+            // Convert to UTF8 from the previously given code page.
+            std::string getUtf8(const char *input, size_t size);
+            inline std::string getUtf8(const std::string &str)
+            {
+                return getUtf8(str.c_str(), str.size());
+            }
+
+            std::string getLegacyEnc(const char *input, size_t size);
+            inline std::string getLegacyEnc(const std::string &str)
+            {
+                return getLegacyEnc(str.c_str(), str.size());
+            }
+
+        private:
+            void resize(size_t size);
+            size_t getLength(const char* input, bool &ascii);
+            void copyFromArray(unsigned char chp, char* &out);
+            size_t getLength2(const char* input, bool &ascii);
+            void copyFromArray2(const char*& chp, char* &out);
+
+            std::vector<char> mOutput;
+            signed char* translationArray;
+    };
+}
+
+#endif