1 /****************************************************************************** 2 * 3 * Copyright 2015 Google, Inc. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 #define LOG_TAG "hash_map_utils" 19 20 #include "osi/include/hash_map_utils.h" 21 22 #include <base/logging.h> 23 #include <string.h> 24 25 #include "osi/include/allocator.h" 26 #include "osi/include/log.h" 27 #include "osi/include/osi.h" 28 29 std::unordered_map<std::string, std::string> 30 hash_map_utils_new_from_string_params(const char* params) { 31 CHECK(params != NULL); 32 33 std::unordered_map<std::string, std::string> map; 34 35 char* str = osi_strdup(params); 36 if (!str) return map; 37 38 LOG_VERBOSE(LOG_TAG, "%s: source string: '%s'", __func__, str); 39 40 // Parse |str| and add extracted key-and-value pair(s) in |map|. 41 int items = 0; 42 char* tmpstr; 43 char* kvpair = strtok_r(str, ";", &tmpstr); 44 while (kvpair && *kvpair) { 45 char* eq = strchr(kvpair, '='); 46 47 if (eq == kvpair) goto next_pair; 48 49 char* key; 50 char* value; 51 if (eq) { 52 key = osi_strndup(kvpair, eq - kvpair); 53 54 // The increment of |eq| moves |eq| to the beginning of the value. 55 ++eq; 56 value = (*eq != '\0') ? osi_strdup(eq) : osi_strdup(""); 57 } else { 58 key = osi_strdup(kvpair); 59 value = osi_strdup(""); 60 } 61 62 map[key] = value; 63 64 osi_free(key); 65 osi_free(value); 66 67 items++; 68 next_pair: 69 kvpair = strtok_r(NULL, ";", &tmpstr); 70 } 71 72 if (!items) LOG_VERBOSE(LOG_TAG, "%s: no items found in string\n", __func__); 73 74 osi_free(str); 75 return map; 76 } 77 78 void hash_map_utils_dump_string_keys_string_values( 79 std::unordered_map<std::string, std::string>& map) { 80 for (const auto& ptr : map) { 81 LOG_INFO(LOG_TAG, "key: '%s' value: '%s'\n", ptr.first.c_str(), 82 ptr.second.c_str()); 83 } 84 } 85
