* Receive a string with a list of arguments following the pattern * key=value,key=value,... and insert them into the list. * Params string will be copied to be modified. * list "[]" and list element splitter ",", "-" is treated as value. * Supported examples: * k1=v1,k2=v2 * k1 * k1=x[0-1]y[1,3-5,9]z */
| 22 | * k1=x[0-1]y[1,3-5,9]z |
| 23 | */ |
| 24 | static int |
| 25 | rte_kvargs_tokenize(struct rte_kvargs *kvlist, const char *params) |
| 26 | { |
| 27 | char *str, *start; |
| 28 | bool in_list = false, end_key = false, end_value = false; |
| 29 | bool save = false, end_pair = false; |
| 30 | |
| 31 | /* Copy the const char *params to a modifiable string |
| 32 | * to pass to rte_strsplit |
| 33 | */ |
| 34 | kvlist->str = strdup(params); |
| 35 | if (kvlist->str == NULL) |
| 36 | return -1; |
| 37 | |
| 38 | /* browse each key/value pair and add it in kvlist */ |
| 39 | str = kvlist->str; |
| 40 | start = str; /* start of current key or value */ |
| 41 | while (1) { |
| 42 | switch (*str) { |
| 43 | case '=': /* End of key. */ |
| 44 | end_key = true; |
| 45 | save = true; |
| 46 | break; |
| 47 | case ',': |
| 48 | /* End of value, skip comma in middle of range */ |
| 49 | if (!in_list) { |
| 50 | if (end_key) |
| 51 | end_value = true; |
| 52 | else |
| 53 | end_key = true; |
| 54 | save = true; |
| 55 | end_pair = true; |
| 56 | } |
| 57 | break; |
| 58 | case '[': /* Start of list. */ |
| 59 | in_list = true; |
| 60 | break; |
| 61 | case ']': /* End of list. */ |
| 62 | if (in_list) |
| 63 | in_list = false; |
| 64 | break; |
| 65 | case '\0': /* End of string */ |
| 66 | if (end_key) |
| 67 | end_value = true; |
| 68 | else |
| 69 | end_key = true; |
| 70 | save = true; |
| 71 | end_pair = true; |
| 72 | break; |
| 73 | default: |
| 74 | break; |
| 75 | } |
| 76 | |
| 77 | if (!save) { |
| 78 | /* Continue if not end of key or value. */ |
| 79 | str++; |
| 80 | continue; |
| 81 | } |
no test coverage detected