Created
July 3, 2014 14:21
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C++でUTF8でURLエンコードされたコマンドライン引数を受け取る方法
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| ptrdiff_t urldecode(char* dst, const char* src) | |
| { | |
| char* org_dst = dst; | |
| char ch, a, b; | |
| do { | |
| ch = *src++; | |
| if (ch == '%' && isxdigit(a = src[0]) && isxdigit(b = src[1])) { | |
| if (a < 'A') a -= '0'; | |
| else if(a < 'a') a -= 'A' - 10; | |
| else a -= 'a' - 10; | |
| if (b < 'A') b -= '0'; | |
| else if(b < 'a') b -= 'A' - 10; | |
| else b -= 'a' - 10; | |
| ch = 16 * a + b; | |
| src += 2; | |
| } | |
| *dst++ = ch; | |
| } while(ch); | |
| return (dst - org_dst) - 1; | |
| } | |
| int urldecodeUnicode(WCHAR *original, int bufSize) | |
| { | |
| char *bufUTF8 = new char[bufSize]; | |
| char *bufDecodedUTF8 = new char[bufSize]; | |
| // Convert To UTF-8 | |
| WideCharToMultiByte(CP_UTF8, 0, original, -1, bufUTF8, bufSize, NULL, NULL); | |
| // URL Decode | |
| urldecode(bufDecodedUTF8, bufUTF8); | |
| // Convert to Unicode | |
| int r = MultiByteToWideChar(CP_UTF8, 0, bufDecodedUTF8, strlen(bufDecodedUTF8)+1, original, bufSize); | |
| delete bufUTF8; | |
| delete bufDecodedUTF8; | |
| return r; | |
| } |
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