[457] | 1 | // Copyright (c) Microsoft. All rights reserved.
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| 2 | // Licensed under the MIT license. See LICENSE file in the project root for full license information.
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| 3 |
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| 4 | #include <stdlib.h>
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| 5 | #include <limits.h>
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| 6 |
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| 7 | #include "azure_c_shared_utility/gballoc.h"
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| 8 | #include "azure_c_shared_utility/xlogging.h"
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| 9 | #include "azure_c_shared_utility/crt_abstractions.h"
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| 10 | #include "azure_c_shared_utility/strings.h"
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| 11 | #include "parson.h"
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| 12 |
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| 13 | #include "methodreturn.h"
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| 14 |
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| 15 | typedef struct METHODRETURN_HANDLE_DATA_TAG
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| 16 | {
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| 17 | METHODRETURN_DATA data;
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| 18 | }METHODRETURN_HANDLE_DATA;
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| 19 |
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| 20 | bool is_json_present_and_unparsable(const char* jsonValue)
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| 21 | {
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| 22 | bool is_present_and_unparsable;
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| 23 | if (jsonValue == NULL)
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| 24 | {
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| 25 | // Null json is not considered invalid here
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| 26 | is_present_and_unparsable = false;
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| 27 | }
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| 28 | else
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| 29 | {
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| 30 | JSON_Value* temp = json_parse_string(jsonValue);
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| 31 | if (temp == NULL)
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| 32 | {
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| 33 | is_present_and_unparsable = true;
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| 34 | }
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| 35 | else
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| 36 | {
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| 37 | json_value_free(temp);
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| 38 | is_present_and_unparsable = false;
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| 39 | }
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| 40 | }
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| 41 | return is_present_and_unparsable;
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| 42 | }
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| 43 |
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| 44 | METHODRETURN_HANDLE MethodReturn_Create(int statusCode, const char* jsonValue)
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| 45 | {
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| 46 | METHODRETURN_HANDLE result;
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| 47 | /*Codes_SRS_METHODRETURN_02_009: [ If jsonValue is not a JSON value then MethodReturn_Create shall fail and return NULL. ]*/
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| 48 | if (is_json_present_and_unparsable(jsonValue))
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| 49 | {
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| 50 | LogError("%s is not JSON", jsonValue);
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| 51 | result = NULL;
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| 52 | }
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| 53 | else
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| 54 | {
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| 55 | result = (METHODRETURN_HANDLE_DATA*)calloc(1, sizeof(METHODRETURN_HANDLE_DATA));
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| 56 | if (result == NULL)
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| 57 | {
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| 58 | /*Codes_SRS_METHODRETURN_02_002: [ If any failure is encountered then MethodReturn_Create shall return NULL ]*/
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| 59 | LogError("unable to malloc");
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| 60 | /*return as is*/
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| 61 | }
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| 62 | else
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| 63 | {
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| 64 | if (jsonValue == NULL)
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| 65 | {
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| 66 | /*Codes_SRS_METHODRETURN_02_001: [ MethodReturn_Create shall create a non-NULL handle containing statusCode and a clone of jsonValue. ]*/
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| 67 | result->data.jsonValue = NULL;
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| 68 | result->data.statusCode = statusCode;
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| 69 | }
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| 70 | else
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| 71 | {
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| 72 | if (mallocAndStrcpy_s(&(result->data.jsonValue), jsonValue) != 0)
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| 73 | {
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| 74 | LogError("failure in mallocAndStrcpy_s");
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| 75 | free(result);
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| 76 | result = NULL;
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| 77 | }
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| 78 | else
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| 79 | {
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| 80 | /*Codes_SRS_METHODRETURN_02_001: [ MethodReturn_Create shall create a non-NULL handle containing statusCode and a clone of jsonValue. ]*/
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| 81 | result->data.statusCode = statusCode;
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| 82 | }
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| 83 | }
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | return result;
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| 88 | }
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| 89 |
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| 90 | void MethodReturn_Destroy(METHODRETURN_HANDLE handle)
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| 91 | {
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| 92 | if (handle == NULL)
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| 93 | {
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| 94 | /*Codes_SRS_METHODRETURN_02_003: [ If handle is NULL then MethodReturn_Destroy shall return. ]*/
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| 95 | LogError("invalid argument METHODRETURN_HANDLE handle=%p", handle);
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| 96 | }
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| 97 | else
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| 98 | {
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| 99 | /*Codes_SRS_METHODRETURN_02_004: [ Otherwise, MethodReturn_Destroy shall free all used resources by handle. ]*/
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| 100 | if (handle->data.jsonValue != NULL)
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| 101 | {
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| 102 | free(handle->data.jsonValue);
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| 103 | }
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| 104 | free(handle);
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| 105 | }
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| 106 | }
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| 107 |
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| 108 |
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| 109 | const METHODRETURN_DATA* MethodReturn_GetReturn(METHODRETURN_HANDLE handle)
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| 110 | {
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| 111 | const METHODRETURN_DATA* result;
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| 112 | if (handle == NULL)
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| 113 | {
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| 114 | /*Codes_SRS_METHODRETURN_02_010: [ If handle is NULL then MethodReturn_GetReturn shall fail and return NULL. ]*/
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| 115 | result = NULL;
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| 116 | }
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| 117 | else
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| 118 | {
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| 119 | /*Codes_SRS_METHODRETURN_02_011: [ Otherwise, MethodReturn_GetReturn shall return a non-NULL const pointer to a METHODRETURN_DATA. ]*/
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| 120 | result = &(handle->data);
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| 121 | }
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| 122 | return result;
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| 123 | }
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