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(Unicode C) Emoji TweetDemonstrates posting a status update that includes an emoji character.
#include <C_CkJsonObjectW.h> #include <C_CkRestW.h> #include <C_CkOAuth1W.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkJsonObjectW json; BOOL success; HCkRestW rest; HCkOAuth1W oauth1; BOOL bAutoReconnect; HCkStringBuilderW sbText; const wchar_t *resp; HCkJsonObjectW jsonResponse; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // ---------------------------------------------------------------------- // This initial setup, which involves setting the OAuth1 properties and connecting // to api.twitter.com, is only required once at the beginning. Once connected, the same // object instance may be re-used, and if necessary, it will automatically reconnect // as needed. // Assume we've previously obtained an access token and saved it to a JSON file.. json = CkJsonObjectW_Create(); success = CkJsonObjectW_LoadFile(json,L"qa_data/tokens/twitter.json"); rest = CkRestW_Create(); oauth1 = CkOAuth1W_Create(); CkOAuth1W_putConsumerKey(oauth1,L"TWITTER_CONSUMER_KEY"); CkOAuth1W_putConsumerSecret(oauth1,L"TWITTER_CONSUMER_SECRET"); CkOAuth1W_putToken(oauth1,CkJsonObjectW_stringOf(json,L"oauth_token")); CkOAuth1W_putTokenSecret(oauth1,CkJsonObjectW_stringOf(json,L"oauth_token_secret")); CkOAuth1W_putSignatureMethod(oauth1,L"HMAC-SHA1"); CkOAuth1W_GenNonce(oauth1,16); CkRestW_SetAuthOAuth1(rest,oauth1,FALSE); bAutoReconnect = TRUE; success = CkRestW_Connect(rest,L"api.twitter.com",443,TRUE,bAutoReconnect); if (success != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkJsonObjectW_Dispose(json); CkRestW_Dispose(rest); CkOAuth1W_Dispose(oauth1); return; } // This ends the initial setup... // ---------------------------------------------------------------------- // For this example, I've pre-created a text file containing two emoji // characters (the "ghost" emoji, and a "face savouring delicious food" emoji). // This text file was saved using the utf-8 encoding. // The utf-8 bytes for the ghost emoji are 0x9f 0x91 0xbb. (Note: This is the utf-8 // representation that does not use surrogate pairs.) // // The utf-8 bytes for the "face savouring delicious food" emoji are \xF0\x9F\x98\x8B. sbText = CkStringBuilderW_Create(); CkStringBuilderW_LoadFile(sbText,L"qa_data/txt/ghost_emoji.txt",L"utf-8"); CkStringBuilderW_Prepend(sbText,L"Test tweet using two emoji chars: "); // Send a tweet... CkRestW_ClearAllQueryParams(rest); CkRestW_AddQueryParam(rest,L"status",CkStringBuilderW_getAsString(sbText)); resp = CkRestW_fullRequestFormUrlEncoded(rest,L"POST",L"/1.1/statuses/update.json"); if (CkRestW_getLastMethodSuccess(rest) != TRUE) { wprintf(L"%s\n",CkRestW_lastErrorText(rest)); CkJsonObjectW_Dispose(json); CkRestW_Dispose(rest); CkOAuth1W_Dispose(oauth1); CkStringBuilderW_Dispose(sbText); return; } jsonResponse = CkJsonObjectW_Create(); CkJsonObjectW_putEmitCompact(jsonResponse,FALSE); CkJsonObjectW_Load(jsonResponse,resp); if (CkRestW_getResponseStatusCode(rest) != 200) { wprintf(L"%s\n",CkJsonObjectW_emit(jsonResponse)); CkJsonObjectW_Dispose(json); CkRestW_Dispose(rest); CkOAuth1W_Dispose(oauth1); CkStringBuilderW_Dispose(sbText); CkJsonObjectW_Dispose(jsonResponse); return; } // Show the successful response: wprintf(L"%s\n",CkJsonObjectW_emit(jsonResponse)); wprintf(L"Success.\n"); CkJsonObjectW_Dispose(json); CkRestW_Dispose(rest); CkOAuth1W_Dispose(oauth1); CkStringBuilderW_Dispose(sbText); CkJsonObjectW_Dispose(jsonResponse); } |
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