Files
@ d6faa5ffcedf
Branch filter:
Location: MD/arcos/libconfig-1.4.9/examples/c++/example1.cpp
d6faa5ffcedf
4.0 KiB
text/x-c++src
install arcos
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | /* ----------------------------------------------------------------------------
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)
{
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
|