Rev 1620 | Go to most recent revision | Details | Last modification | View Log | SVN | RSS feed
| Rev | Author | Line No. | Line |
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| 1619 | runge | 1 | /* |
| 2 | * |
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| 3 | * Copyright (C) 2010 Mattias Runge |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or modify |
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| 6 | * it under the terms of the GNU General Public License as published by |
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| 7 | * the Free Software Foundation; either version 2 of the License, or |
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| 8 | * (at your option) any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | * GNU General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License along |
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| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
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| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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| 18 | * |
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| 19 | */ |
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| 20 | |||
| 21 | #include "Store.h" |
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| 22 | |||
| 23 | #include <fstream> |
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| 24 | #include <stdexcept> |
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| 25 | |||
| 26 | #include <boost/algorithm/string.hpp> |
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| 27 | |||
| 28 | #include "type/common.h" |
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| 29 | |||
| 30 | namespace atom { |
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| 31 | namespace storage { |
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| 32 | |||
| 33 | Store::Store(std::string filename) |
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| 34 | { |
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| 35 | this->filename_ = filename; |
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| 36 | this->modified_ = false; |
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| 37 | |||
| 38 | std::ifstream file(filename.data()); |
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| 39 | |||
| 40 | if (!file.is_open()) |
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| 41 | { |
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| 42 | file.close(); |
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| 43 | return; |
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| 44 | } |
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| 45 | |||
| 46 | std::string line; |
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| 47 | size_t pos; |
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| 48 | |||
| 49 | while (!file.eof()) |
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| 50 | { |
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| 51 | std::getline(file, line); |
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| 52 | |||
| 53 | if (file.eof()) |
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| 54 | { |
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| 55 | break; |
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| 56 | } |
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| 57 | |||
| 58 | pos = line.find_first_of("="); |
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| 59 | |||
| 60 | if (pos == std::string::npos) |
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| 61 | { |
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| 62 | continue; |
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| 63 | } |
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| 64 | |||
| 65 | this->parameters_[line.substr(0, pos)] = line.substr(pos + 1); |
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| 66 | } |
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| 67 | |||
| 68 | file.close(); |
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| 69 | } |
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| 70 | |||
| 71 | Store::~Store() |
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| 72 | { |
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| 73 | |||
| 74 | } |
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| 75 | |||
| 76 | void Store::Flush() |
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| 77 | { |
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| 78 | if (this->modified_) |
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| 79 | { |
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| 80 | std::ofstream file(this->filename_.data()); |
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| 81 | |||
| 82 | if (!file.is_open()) |
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| 83 | { |
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| 84 | throw std::runtime_error("Could not open " + this->filename_); |
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| 85 | return; |
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| 86 | } |
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| 87 | |||
| 88 | for (ParameterList::iterator it = this->parameters_.begin(); it != this->parameters_.end(); it++) |
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| 89 | { |
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| 90 | file << it->first << "=" << it->second << "\n"; |
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| 91 | } |
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| 92 | |||
| 93 | file.close(); |
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| 94 | this->modified_ = false; |
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| 95 | } |
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| 96 | } |
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| 97 | |||
| 98 | Store::ParameterList& Store::GetParameters() |
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| 99 | { |
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| 100 | return this->parameters_; |
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| 101 | } |
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| 102 | |||
| 103 | std::string Store::GetParameter(std::string name) |
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| 104 | { |
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| 105 | ParameterList::iterator it = this->parameters_.find(name); |
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| 106 | |||
| 107 | if (it == this->parameters_.end()) |
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| 108 | { |
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| 109 | throw std::runtime_error("No such parameter"); |
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| 110 | return ""; |
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| 111 | } |
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| 112 | |||
| 113 | return it->second; |
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| 114 | } |
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| 115 | |||
| 116 | void Store::SetParameter(std::string name, std::string value) |
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| 117 | { |
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| 118 | if (this->parameters_[name] != value) |
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| 119 | { |
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| 120 | this->parameters_[name] = value; |
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| 121 | this->modified_ = true; |
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| 122 | |||
| 123 | this->Flush(); |
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| 124 | } |
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| 125 | } |
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| 126 | |||
| 127 | }; // namespace storage |
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| 128 | }; // namespace atom |