1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <algorithm> 18 #include <iomanip> 19 20 #include "TextTable.h" 21 22 namespace android { 23 namespace lshal { 24 25 void TextTable::computeWidth(const std::vector<std::string>& v) { 26 if (mWidths.size() < v.size()) { 27 mWidths.resize(v.size()); 28 } 29 for (size_t i = 0; i < v.size(); ++i) { 30 mWidths[i] = std::max(mWidths[i], v[i].length()); 31 } 32 } 33 34 void TextTable::dump(std::ostream& out) const { 35 out << std::left; 36 for (const auto& row : mTable) { 37 if (!row.isRow()) { 38 out << row.line() << std::endl; 39 continue; 40 } 41 42 for (size_t i = 0; i < row.fields().size(); ++i) { 43 if (i != 0) { 44 out << " "; 45 } 46 // last column does not std::setw to avoid printing unnecessary spaces. 47 if (i < row.fields().size() - 1) { 48 out << std::setw(mWidths[i]); 49 } 50 out << row.fields()[i]; 51 } 52 out << std::endl; 53 } 54 } 55 56 void TextTable::addAll(TextTable&& other) { 57 for (auto&& row : other.mTable) { 58 if (row.isRow()) { 59 computeWidth(row.fields()); 60 } 61 62 mTable.emplace_back(std::move(row)); 63 } 64 } 65 66 } // namespace lshal 67 } // namespace android 68
