Changeset 281 for cpp/common/Convert.cpp

Timestamp:

12/27/14 01:01:43 (8 years ago)

Author:

Maciej Komosinski

Message:

Support for wide char (unicode) names of files and directories under Windows, internally encoded as char* utf-8

File:

• cpp/common/Convert.cpp (modified) (1 diff)

cpp/common/Convert.cpp

@@ -128 +128 @@
         return string(ret, 24); //24 znaki z pominieciem ostatniego \n
 }
+
+string Convert::wstrToUtf8(const wchar_t *str)
+{
+        if (str == NULL) return "";
+        string res;
+        wchar_t *wcp = (wchar_t*)str;
+        while (*wcp != 0)
+        {
+                int c = *wcp;
+                if (c < 0x80) res += c;
+                else if (c < 0x800) { res += 192 + c / 64; res += 128 + c % 64; }
+                else if (c - 0xd800u < 0x800) res += "<ERROR-CHAR>";
+                else if (c < 0x10000) { res += 224 + c / 4096; res += 128 + c / 64 % 64; res += 128 + c % 64; }
+                else if (c < 0x110000) { res += 240 + c / 262144; res += 128 + c / 4096 % 64; res += 128 + c / 64 % 64; res += 128 + c % 64; }
+                else res += "<ERROR-CHAR>";
+                wcp++;
+        }
+        return res;
+}
+
+#ifdef _WIN32
+wstring Convert::utf8ToUtf16(const char *str)
+{
+        wstring wstr;
+        int nOffset = 0;
+        int nDataLen = strlen(str) + 1; //including ending \0
+        int nLenWide = MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)(str + nOffset),
+                (int)(nDataLen - nOffset), NULL, 0);
+        wstr.resize(nLenWide);
+        if (MultiByteToWideChar(CP_UTF8, 0, (LPCSTR)(str + nOffset),
+                (int)(nDataLen - nOffset),
+                &wstr[0], nLenWide) != nLenWide)
+        {
+                //ASSERT(false); //some conversion error
+                return wstr;
+        }
+        return wstr;
+}
+#endif