fixed Chinese support for ios

ios/Classes/src/common.cpp

@@ -5,6 +5,13 @@
 
 using namespace std;
 
+bool isLogEnabled;
+
+void setLoggingEnabled(bool enabled)
+{
+    isLogEnabled = enabled;
+}
+
 long long int get_now()
 {
     return chrono::duration_cast<std::chrono::milliseconds>(
@@ -14,18 +21,21 @@ long long int get_now()
 
 void platform_log(const char *fmt, ...)
 {
-    va_list args;
-    va_start(args, fmt);
+    if (isLogEnabled)
+    {
+        va_list args;
+        va_start(args, fmt);
 #ifdef __ANDROID__
-    __android_log_vprint(ANDROID_LOG_VERBOSE, "ndk", fmt, args);
+        __android_log_vprint(ANDROID_LOG_VERBOSE, "ndk", fmt, args);
 #elif defined(IS_WIN32)
-    char *buf = new char[4096];
-    std::fill_n(buf, 4096, '\0');
-    _vsprintf_p(buf, 4096, fmt, args);
-    OutputDebugStringA(buf);
-    delete[] buf;
+        char *buf = new char[4096];
+        std::fill_n(buf, 4096, '\0');
+        _vsprintf_p(buf, 4096, fmt, args);
+        OutputDebugStringA(buf);
+        delete[] buf;
 #else
-    vprintf(fmt, args);
+        vprintf(fmt, args);
 #endif
-    va_end(args);
+        va_end(args);
+    }
 }

ios/Classes/src/common.h

@@ -19,7 +19,8 @@
 #define FUNCTION_ATTRIBUTE __declspec(dllexport)
 #endif
 
-
 long long int get_now();
 
-void platform_log(const char *fmt, ...);
+void platform_log(const char *fmt, ...);
+
+void setLoggingEnabled(bool enabled);

ios/Classes/src/native_zxing.cpp

@@ -5,16 +5,18 @@
 #include "BitMatrix.h"
 #include "native_zxing.h"
 
+#include <locale>
+#include <codecvt>
+#include <stdarg.h>
+
 using namespace ZXing;
 
 extern "C"
 {
-    bool logEnabled = false;
-
     FUNCTION_ATTRIBUTE
     void setLogEnabled(int enabled)
     {
-        logEnabled = enabled;
+        setLoggingEnabled(enabled);
     }
 
     FUNCTION_ATTRIBUTE
@@ -48,18 +50,16 @@ extern "C"
 
             code.format = Format(static_cast<int>(result.format()));
 
-            const wchar_t *resultText = result.text().c_str();
-            size_t size = (wcslen(resultText) + 1) * sizeof(wchar_t);
-            code.text = new char[size];
-            std::wcstombs(code.text, resultText, size);
-            platform_log("zxingRead: %ls\n", resultText);
+            std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
+            std::string text = converter.to_bytes(result.text());
+            code.text = new char[text.length() + 1];
+            strcpy(code.text, text.c_str());
+
+            platform_log("Result: %s\n", code.text);
         }
 
         int evalInMillis = static_cast<int>(get_now() - start);
-        if (logEnabled)
-        {
-            platform_log("zxingRead: %d ms\n", evalInMillis);
-        }
+        platform_log("Read Barcode in: %d ms\n", evalInMillis);
         return code;
     }
 
@@ -92,22 +92,19 @@ extern "C"
 
                 code.format = Format(static_cast<int>(result.format()));
 
-                const wchar_t *resultText = result.text().c_str();
-                size_t size = (wcslen(resultText) + 1) * sizeof(wchar_t);
-                code.text = new char[size];
-                std::wcstombs(code.text, resultText, size);
+                std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
+                std::string text = converter.to_bytes(result.text());
+                code.text = new char[text.length() + 1];
+                strcpy(code.text, text.c_str());
 
                 codes[i] = code;
                 i++;
-                platform_log("zxingRead: %s\n", code.text);
+                platform_log("Result: %s\n", code.text);
             }
         }
 
         int evalInMillis = static_cast<int>(get_now() - start);
-        if (logEnabled)
-        {
-            platform_log("zxingRead: %d ms\n", evalInMillis);
-        }
+        platform_log("Read Barcode in: %d ms\n", evalInMillis);
         return {i, codes};
     }
 
@@ -127,19 +124,13 @@ extern "C"
         }
         catch (const std::exception &e)
         {
-            if (logEnabled)
-            {
-                platform_log("Can't encode text: %s\nError: %s\n", contents, e.what());
-            }
+            platform_log("Can't encode text: %s\nError: %s\n", contents, e.what());
             result.error = new char[strlen(e.what()) + 1];
             strcpy(result.error, e.what());
         }
 
         int evalInMillis = static_cast<int>(get_now() - start);
-        if (logEnabled)
-        {
-            platform_log("zxingEncode: %d ms\n", evalInMillis);
-        }
+        platform_log("Encode Barcode in: %d ms\n", evalInMillis);
         return result;
     }
 }

ios/Classes/src/native_zxing.h

@@ -38,7 +38,7 @@ extern "C"
     struct CodeResults
     {
         int count;
-        struct CodeResult* results;
+        struct CodeResult *results;
     };
 
     struct EncodeResult
@@ -53,8 +53,8 @@ extern "C"
 
     /**
      * @brief Enables or disables the logging of the library.
-     * 
-     * @param enabled 
+     *
+     * @param enabled
      */
     void setLogEnabled(int enabled);
 
@@ -88,7 +88,7 @@ extern "C"
      * @param cropHeight Crop height.
      * @param logEnabled Log enabled.
      * @return Barcode results.
-     */ 
+     */
     struct CodeResults readBarcodes(char *bytes, int format, int width, int height, int cropWidth, int cropHeight);
 
     /**