bcon.c

// bcon.c
// https://mongoc.org/libmongoc/current/tutorial.html#using-bcon
#include <mongoc/mongoc.h>

// Creating the JSON doc:
/*
{
   born : ISODate("1906-12-09"),
   died : ISODate("1992-01-01"),
   name : {
      first : "Grace",
      last : "Hopper"
   },
   languages : [ "MATH-MATIC", "FLOW-MATIC", "COBOL" ],
   degrees: [ { degree: "BA", school: "Vassar" },
              { degree: "PhD", school: "Yale" } ]
}
*/

int main(int argc, char *argv[]) {
  struct tm born = {0};
  struct tm died = {0};
  bson_t *document;
  char *str;

  born.tm_year = 6;
  born.tm_mon = 11;
  born.tm_mday = 9;

  died.tm_year = 92;
  died.tm_mon = 0;
  died.tm_mday = 1;

  //   document = BCON_NEW("born", BCON_DATE_TIME(mktime(&born) * 1000),
  //                       "died", BCON_DATE_TIME(mktime(&died) * 1000),
  //                       "name", "{",
  //                         "first", BCON_UTF8("Grace"),
  //                         "last", BCON_UTF8("Hopper"),
  //                       "}",
  //                       "languages", "[",
  //                         BCON_UTF8("MATH-MATIC"),
  //                         BCON_UTF8("FLOW-MATIC"),
  //                         BCON_UTF8("COBOL"),
  //                       "]",
  //                       "degrees", "[",
  //                         "{", "degree", BCON_UTF8("BA"), "school",
  //                         BCON_UTF8("Vassar"), "}",
  //                         "{", "degree", BCON_UTF8("PhD"),"school",
  //                         BCON_UTF8("Yale"), "}",
  //                       "]");

  document = BCON_NEW("born", BCON_DATE_TIME(mktime(&born) * 1000), "died",
                      BCON_DATE_TIME(mktime(&died) * 1000), "name", "{",
                      "first", BCON_UTF8("Grace"), "last", BCON_UTF8("Hopper"),
                      "}", "languages", "[", BCON_UTF8("MATH-MATIC"),
                      BCON_UTF8("FLOW-MATIC"), BCON_UTF8("COBOL"), "]",
                      "degrees", "[", "{", "degree", BCON_UTF8("BA"), "school",
                      BCON_UTF8("Vassar"), "}", "{", "degree", BCON_UTF8("PhD"),
                      "school", BCON_UTF8("Yale"), "}", "]");

  /*
   * Print the document as a JSON string.
   */
  str = bson_as_canonical_extended_json(document, NULL);
  printf("%s\n", str);
  bson_free(str);

  /*
   * Clean up allocated bson documents.
   */
  bson_destroy(document);
  return 0;
}