L_BarCodeParseAAMVAData

L_CHAR* GetCurrentDate(); 
 
// Returns zero when s1 and s2 are equal for given length  
// Otherwise, returns non-zero 
L_INT StrCmp(const L_CHAR *s1, const L_CHAR *s2, L_UINT length) 
{ 
   L_UINT index; 
   for (index = 0; index < length; index++) 
   { 
      if (s1[index] != s2[index]) 
         return s1[index] - s2[index]; 
   } 
   return 0; 
} 
 
L_INT BarCodeParseAAMVADataExample(pBARCODEDATA pBarCodeData) 
{ 
   if (!pBarCodeData) 
      return FAILURE; 
 
   AAMVAID id; 
   // Parse Barcode AAMVA data 
   L_INT nRet = L_BarCodeParseAAMVAData(pBarCodeData->pszBarCodeData, pBarCodeData->nSizeofBarCodeData, &id, L_FALSE); 
   if(nRet == SUCCESS) 
   { 
      // ID fields have been filled: 
      // .IssuerIdentificationNumber, a 6 digit identification number for an issuing authority. Typically a state DMV.  
      // .Jurisdiction, the L_AAMVA_JURISDICTION that issued this ID. Human readable (state or region).  
      // .Version, the version of the AAMVA CDS to which the data complies 
      // .JurisdictionVersion, a 2 character jurisdiction-specific version number of the encoded input data. Used by issuing authority only. 
      // .NumberOfEntries, the number of subfiles encoded in the input data. ie. the length of the .Subfiles field 
      // .Subfiles, an array of AAMVASUBFILEs with length == id.NumberOfEntries 
 
      // We can use convenience functions to parse all subfiles for common data elements: 
       
      // NOTE:  
      // Some issuing authorities encode full names in a single data element ("DAA" tag). 
      // eg. LAST,FIRST,MIDDLE 
      //     FIRST MIDDLE LAST 
      //     LAST@FIRST@MIDDLEINITIAL 
      // 
      // Others use newer tags to encode first, middle and last names separately. 
      // The convenience functions below check for the preferable newer tags first, then 
      // attempt to parse out the requested name from the "DAA" tag if necessary. 
      // Since issuing authorities use different encodings for the  
      // "DAA" element, the name convenience functions below are not guaranteed  
      // to work in all cases. If a name has been inferred from the "DAA" data element, 
      // bInferredFromFullName will be L_TRUE. In such cases, it may be best to manually 
      // read the "DAA" tag as well. 
 
      //First Name 
      L_BOOL bInferredFromFullName; 
      L_CHAR* pszFirstName = NULL; 
      nRet = L_BarCodeAAMVAIDFirstName(&id, &pszFirstName, &bInferredFromFullName); 
      if (nRet != SUCCESS) 
        return nRet; 
      //print pszFirstName, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszFirstName); 
 
      L_CHAR* pszMiddleName = NULL; 
      nRet = L_BarCodeAAMVAIDMiddleName(&id, &pszMiddleName); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszMiddleName, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszMiddleName); 
 
      //Last Name 
      L_CHAR* pszLastName = NULL; 
      nRet = L_BarCodeAAMVAIDLastName(&id, &pszLastName, &bInferredFromFullName); 
      if (nRet != SUCCESS) 
        return nRet; 
      //print pszLastName, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszLastName); 
 
      //Street Address 1 
      L_CHAR * pszStreet1 = NULL; 
      nRet = L_BarCodeAAMVAIDAddressStreet1(&id, &pszStreet1); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszStreet1, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszStreet1); 
 
      //Street Address 2 
      L_CHAR * pszStreet2 = NULL; 
      nRet = L_BarCodeAAMVAIDAddressStreet2(&id, &pszStreet2); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszStreet2, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszStreet2); 
 
      //Address State Abbreviation (eg. "NC" for North Carolina) 
      L_CHAR * pszStateAbbr = NULL; 
      nRet = L_BarCodeAAMVAIDAddressStateAbbreviation(&id, &pszStateAbbr); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszStateAbbr, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszStateAbbr); 
 
      //Address City 
      L_CHAR * pszCity = NULL; 
      nRet = L_BarCodeAAMVAIDAddressCity(&id, &pszCity); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszCity, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszCity); 
 
      //Address Postal Code (eg. "282053571" for 28205-3571, separator(s) always omitted) 
      L_CHAR * pszZip = NULL; 
      nRet = L_BarCodeAAMVAIDAddressPostalCode(&id, &pszZip); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszZip, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszZip); 
 
      //AAMVA Region 
      L_AAMVA_REGION rgn; 
      nRet = L_BarCodeAAMVAIDAddressRegion(&id, &rgn); 
      if (nRet != SUCCESS) 
         return nRet; 
 
      //Date of birth (in yyyMMdd format, eg. "19910824" for August 24th, 1991).  
      L_CHAR * pszDob = NULL; 
      nRet = L_BarCodeAAMVAIDDateOfBirth(&id, &pszDob); 
      if (nRet != SUCCESS) 
         return nRet; 
      //print pszDob, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszDob); 
 
      //Check if we can determine if ID holder is Over 18 
      L_BOOL bRes; 
      L_CHAR* currentDate = GetCurrentDate(); 
      nRet = L_BarCodeAAMVAIDOver18Available(&id, &bRes); 
      if (nRet != SUCCESS) 
         return nRet; 
       
      if(bRes) 
      { 
         //Over18 is available. Let's check if ID hold is 18+ 
         nRet = L_BarCodeAAMVAIDOver18(&id, currentDate, &bRes); 
         if (nRet != SUCCESS) 
            return nRet; 
          
         if(bRes){ 
            //ID holder is over 18 
            //... 
         } 
      } 
 
      //Check if we can determine if ID holder is Over 19 (Canada) 
      nRet = L_BarCodeAAMVAIDOver19Available(&id, &bRes); 
      if (nRet != SUCCESS) 
         return nRet; 
       
      if(bRes) 
      { 
         //Over19 is available. Let's check if ID hold is 19+ 
         nRet = L_BarCodeAAMVAIDOver19(&id, currentDate, &bRes); 
         if (nRet != SUCCESS) 
            return nRet; 
          
         if(bRes){ 
            //ID holder is over 19 
            //... 
         } 
      } 
 
      //Check if we can determine if ID holder is Over 21 
      nRet = L_BarCodeAAMVAIDOver21Available(&id, &bRes); 
      if (nRet != SUCCESS) 
         return nRet; 
       
      if(bRes) 
      { 
         //Over21 is available. Let's check if ID hold is 21+ 
         nRet = L_BarCodeAAMVAIDOver21(&id, currentDate, &bRes); 
         if (nRet != SUCCESS) 
            return nRet; 
          
         if(bRes){ 
            //ID holder is over 21 
            //... 
         } 
      } 
 
      //Check if expiration is available 
      nRet = L_BarCodeAAMVAIDExpirationAvailable(&id, &bRes); 
      if (nRet != SUCCESS) 
         return nRet; 
       
      if(bRes) 
      { 
         //Expiration is available 
         nRet = L_BarCodeAAMVAIDExpired(&id, currentDate, &bRes); 
         if (nRet != SUCCESS) 
            return nRet; 
          
         if(bRes){ 
            //Card is expired 
            //... 
         } 
      } 
 
      //Expiration Date 
      L_CHAR * pszExpDate = NULL; 
      nRet = L_BarCodeAAMVAIDExpirationDate(&id, &pszExpDate); 
      if (nRet != SUCCESS) 
         return nRet; 
 
      //print pszExpDate, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszExpDate); 
 
      //Issue Date 
      L_CHAR * pszIssDate = NULL; 
      nRet = L_BarCodeAAMVAIDIssueDate(&id, &pszIssDate); 
      if (nRet != SUCCESS) 
         return nRet; 
       
      //print pszIssDate, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszIssDate); 
 
      //ID Number 
      L_CHAR * pszNum = NULL; 
      nRet = L_BarCodeAAMVAIDNumber(&id, &pszNum); 
      if (nRet != SUCCESS) 
         return nRet; 
 
      //print pszNum, display on UI, etc. 
      // ... 
 
      //Must free result 
      L_BarCodeAAMVAMemoryFree(pszNum); 
 
      //Eye Color 
      L_AAMVA_EYE_COLOR eye; 
      nRet = L_BarCodeAAMVAIDEyeColor(&id, &eye); 
      if (nRet != SUCCESS) 
        return nRet; 
 
      //print eye, display on UI, etc. 
      // ... 
 
      //Hair Color 
      L_AAMVA_HAIR_COLOR hair; 
      nRet = L_BarCodeAAMVAIDHairColor(&id, &hair); 
      if (nRet != SUCCESS) 
        return nRet; 
       
      //print hair, display on UI, etc. 
      // ... 
 
      //Sex 
      L_AAMVA_SEX sex; 
      nRet = L_BarCodeAAMVAIDSex(&id, &sex); 
      if (nRet != SUCCESS) 
        return nRet; 
       
      //print sex, display on UI, etc. 
      // ... 
 
      // We've exhausted all of our convenience functions. If we want to read data elements directly, 
      // we can loop over all data elements in all subfiles like so 
       
      // Use L_BarCodeGetAAMVADataElementInfo to get an array 
      // of information about every data element for a given  
      // AAMVA CDS version  
      AAMVADATAELEMENTINFO* dataElementInfoArray = NULL; 
      nRet = L_BarCodeGetAAMVADataElementInfo(id.Version, &dataElementInfoArray); 
      if (nRet != SUCCESS) 
        return nRet; 
 
      L_UINT i, j; 
      for (i = 0; i < (&id)->NumberOfEntries; i++) 
      { 
         AAMVASUBFILE subfile = (&id)->Subfiles[i]; 
         for (j = 0; j < AAMVA_DEFINED_DATA_ELEMENTS_COUNT + subfile.JurisdictionSpecificDataElementCount; j++) 
         { 
           AAMVADATAELEMENT dataElement = subfile.DataElements[j]; 
           if (&dataElement != NULL) 
           { 
               // Compare dataElement.ElementID to the tag being searched for, eg. "DDK" 
               // See AAMVA CDS for all potential entries 
               if (StrCmp(dataElement.ElementID, "DDK", 3) == 0) 
               { 
                  //Get some information about the data element 
                  AAMVADATAELEMENTINFO info = dataElementInfoArray[j]; 
 
                  //info.ElementID         --> "DDK" 
                  //info.FriendlyName      --> "Organ Donor Indicator" 
                  //info.Definition        --> "Field that indicates that the cardholder is an organ donor = 1." 
                  //info.LengthType        --> L_AAMVA_LENGTH_TYPE_FIXED (alternative is variable) 
                  //info.ValidMaxLength    --> 1 
                  //info.ValidCharacters   --> L_AAMVA_VALID_CHARACTERS_NUMERIC (can be bitwise OR'd with other L_AAMVA_VALID_CHARACTER types -- alphabetical, special) 
                  //info.ValidSubfileTypes --> L_AAMVA_SUBFILE_TYPE_DL | L_AAMVA_SUBFILE_TYPE_ID; 
 
                  if(StrCmp(dataElement.Value, "1", 1) == 0) 
                  { 
                    //Cardholder is an organ doner 
                    //... 
 
                  } 
               } 
            } 
         } 
      } 
 
      //Must free data element info array 
      L_BarCodeAAMVAMemoryFree(dataElementInfoArray); 
       
      //Free the AAMVAID   
      nRet = L_BarCodeFreeAAMVAID(&id); 
      return nRet; 
   } 
}