avoid malformed json #433

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1. nlohmann

   added

   kind: question

   on Jan 21, 2017
2. nlohmann commented on Jan 21, 2017

   

   nlohmann

   on Jan 21, 2017

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   No, the parser does this check. But you can catch the exception that is thrown in case of a parse error.
3. nlohmann commented on Jan 24, 2017

   

   nlohmann

   on Jan 24, 2017

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   @whitecloud-sas Does this help you?
4. whitecloud-sas commented on Jan 24, 2017

   

   whitecloud-sas

   on Jan 24, 2017

   Last edited by whitecloud-sas

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   Yes, this is what I did:

   try {
   json object;
   auto text = str;
   std::stringstream ss;
   ss << text;
   json j_complete = json::parse(ss);
   object = j_complete;
   auto key = object.find("key");
   if (*key== "value") {
   //do something
   }
   } catch (const std::invalid_argument&) {
   // parsing a JSON serialization must not fail
   printf("JSON malformed %s\n", str.c_str());
   }

   Thanks @nlohmann
5. nlohmann commented on Jan 24, 2017

   

   nlohmann

   on Jan 24, 2017

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   Note with #301 we shall add diagnosis information to the exceptions so you can provide the user the location in the JSON text that led to the error.
6. nlohmann

   closed this as completedon Jan 24, 2017