| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef RIL_MCC_H |
| #define RIL_MCC_H |
| |
| #include <climits> |
| #include <cstdio> |
| #include <string> |
| |
| namespace ril { |
| namespace util { |
| namespace mcc { |
| |
| /** |
| * Decode an integer mcc and encode as 3 digit string |
| * |
| * @param an integer mcc, its range should be in 0 to 999. |
| * |
| * @return string representation of an encoded MCC or an empty string |
| * if the MCC is not a valid MCC value. |
| */ |
| static inline std::string decode(int mcc) { |
| char mccStr[4] = {0}; |
| if (mcc > 999 || mcc < 0) return ""; |
| |
| snprintf(mccStr, sizeof(mccStr), "%03d", mcc); |
| return mccStr; |
| } |
| |
| // echo -e "#include \"hardware/ril/include/telephony/ril_mcc.h\"\nint main()"\ |
| // "{ return ril::util::mcc::test(); }" > ril_test.cpp \ |
| // && g++ -o /tmp/ril_test -DTEST_RIL_MCC ril_test.cpp; \ |
| // rm ril_test.cpp; /tmp/ril_test && [ $? ] && echo "passed" |
| #ifdef TEST_RIL_MCC |
| static int test() { |
| const struct mcc_ints { const int in; const char * out; } legacy_mccs[] = { |
| {INT_MAX, ""}, |
| {1, "001"}, |
| {11, "011"}, |
| {111, "111"}, |
| {0, "000"}, |
| {9999, ""}, |
| {-12, ""}, |
| }; |
| |
| for (int i=0; i < sizeof(legacy_mccs) / sizeof(struct mcc_ints); i++) { |
| if (decode(legacy_mccs[i].in).compare(legacy_mccs[i].out)) return 1; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| } |
| } |
| } |
| #endif /* !defined(RIL_MCC_H) */ |