| /* ---------------------------------------------------------------------------- |
| libconfig - A library for processing structured configuration files |
| Copyright (C) 2005-2010 Mark A Lindner |
| |
| This file is part of libconfig. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public License |
| as published by the Free Software Foundation; either version 2.1 of |
| the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this library; if not, see |
| <http://www.gnu.org/licenses/>. |
| ---------------------------------------------------------------------------- |
| */ |
| |
| #include <iostream> |
| #include <iomanip> |
| #include <cstdlib> |
| #include <libconfig.h++> |
| |
| using namespace std; |
| using namespace libconfig; |
| |
| // This example reads the configuration file 'example.cfg' and displays |
| // some of its contents. |
| |
| int main(int argc, char **argv) |
| { |
| (void)argc; |
| (void)argv; |
| |
| Config cfg; |
| |
| // Read the file. If there is an error, report it and exit. |
| try |
| { |
| cfg.readFile("example.cfg"); |
| } |
| catch(const FileIOException &fioex) |
| { |
| std::cerr << "I/O error while reading file." << std::endl; |
| return(EXIT_FAILURE); |
| } |
| catch(const ParseException &pex) |
| { |
| std::cerr << "Parse error at " << pex.getFile() << ":" << pex.getLine() |
| << " - " << pex.getError() << std::endl; |
| return(EXIT_FAILURE); |
| } |
| |
| // Get the store name. |
| try |
| { |
| string name = cfg.lookup("name"); |
| cout << "Store name: " << name << endl << endl; |
| } |
| catch(const SettingNotFoundException &nfex) |
| { |
| cerr << "No 'name' setting in configuration file." << endl; |
| } |
| |
| const Setting& root = cfg.getRoot(); |
| |
| // Output a list of all books in the inventory. |
| try |
| { |
| const Setting &books = root["inventory"]["books"]; |
| int count = books.getLength(); |
| |
| cout << setw(30) << left << "TITLE" << " " |
| << setw(30) << left << "AUTHOR" << " " |
| << setw(6) << left << "PRICE" << " " |
| << "QTY" |
| << endl; |
| |
| for(int i = 0; i < count; ++i) |
| { |
| const Setting &book = books[i]; |
| |
| // Only output the record if all of the expected fields are present. |
| string title, author; |
| double price; |
| int qty; |
| |
| if(!(book.lookupValue("title", title) |
| && book.lookupValue("author", author) |
| && book.lookupValue("price", price) |
| && book.lookupValue("qty", qty))) |
| continue; |
| |
| cout << setw(30) << left << title << " " |
| << setw(30) << left << author << " " |
| << '$' << setw(6) << right << price << " " |
| << qty |
| << endl; |
| } |
| cout << endl; |
| } |
| catch(const SettingNotFoundException &nfex) |
| { |
| // Ignore. |
| } |
| |
| // Output a list of all books in the inventory. |
| try |
| { |
| const Setting &movies = root["inventory"]["movies"]; |
| int count = movies.getLength(); |
| |
| cout << setw(30) << left << "TITLE" << " " |
| << setw(10) << left << "MEDIA" << " " |
| << setw(6) << left << "PRICE" << " " |
| << "QTY" |
| << endl; |
| |
| for(int i = 0; i < count; ++i) |
| { |
| const Setting &movie = movies[i]; |
| |
| // Only output the record if all of the expected fields are present. |
| string title, media; |
| double price; |
| int qty; |
| |
| if(!(movie.lookupValue("title", title) |
| && movie.lookupValue("media", media) |
| && movie.lookupValue("price", price) |
| && movie.lookupValue("qty", qty))) |
| continue; |
| |
| cout << setw(30) << left << title << " " |
| << setw(10) << left << media << " " |
| << '$' << setw(6) << right << price << " " |
| << qty |
| << endl; |
| } |
| cout << endl; |
| } |
| catch(const SettingNotFoundException &nfex) |
| { |
| // Ignore. |
| } |
| |
| return(EXIT_SUCCESS); |
| } |
| |
| // eof |