Returns 0 found, 1 absent, -1 malformed/ambiguous/not-an-object. */
| 913 | |
| 914 | /* Returns 0 found, 1 absent, -1 malformed/ambiguous/not-an-object. */ |
| 915 | static int agent_json_find_member(const char *data, size_t object_start, size_t object_end, |
| 916 | const char *key, size_t *value_start, size_t *value_end) { |
| 917 | agent_json_scanner_t scanner = {.data = data, .length = object_end, .position = object_start}; |
| 918 | if (agent_json_skip_space(&scanner) != 0 || scanner.position >= object_end || |
| 919 | scanner.data[scanner.position++] != '{' || agent_json_skip_space(&scanner) != 0) { |
| 920 | return -1; |
| 921 | } |
| 922 | bool found = false; |
| 923 | if (scanner.position < object_end && scanner.data[scanner.position] == '}') { |
| 924 | return 1; |
| 925 | } |
| 926 | for (;;) { |
| 927 | size_t key_start = 0U; |
| 928 | size_t key_end = 0U; |
| 929 | if (scanner.position >= object_end) { |
| 930 | return -1; |
| 931 | } |
| 932 | if (scanner.data[scanner.position] == '"' || scanner.data[scanner.position] == '\'') { |
| 933 | if (agent_json_scan_string(&scanner, &key_start, &key_end) != 0) { |
| 934 | return -1; |
| 935 | } |
| 936 | } else { |
| 937 | key_start = scanner.position; |
| 938 | while (scanner.position < object_end && |
| 939 | (isalnum((unsigned char)scanner.data[scanner.position]) || |
| 940 | strchr("_$-", scanner.data[scanner.position]))) { |
| 941 | scanner.position++; |
| 942 | } |
| 943 | key_end = scanner.position; |
| 944 | if (key_end == key_start) { |
| 945 | return -1; |
| 946 | } |
| 947 | } |
| 948 | if (agent_json_skip_space(&scanner) != 0 || scanner.position >= object_end || |
| 949 | scanner.data[scanner.position++] != ':' || agent_json_skip_space(&scanner) != 0) { |
| 950 | return -1; |
| 951 | } |
| 952 | size_t start = scanner.position; |
| 953 | if (agent_json_scan_value(&scanner, 1U) != 0) { |
| 954 | return -1; |
| 955 | } |
| 956 | size_t end = scanner.position; |
| 957 | if (agent_json_key_equals(data, key_start, key_end, key)) { |
| 958 | if (found) { |
| 959 | return -1; |
| 960 | } |
| 961 | found = true; |
| 962 | *value_start = start; |
| 963 | *value_end = end; |
| 964 | } |
| 965 | if (agent_json_skip_space(&scanner) != 0 || scanner.position >= object_end) { |
| 966 | return -1; |
| 967 | } |
| 968 | char separator = scanner.data[scanner.position++]; |
| 969 | if (separator == '}') { |
| 970 | return found ? 0 : 1; |
| 971 | } |
| 972 | if (separator != ',' || agent_json_skip_space(&scanner) != 0) { |
no test coverage detected