120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
/* Library to manage a list of key-value options.
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Copyright (C) 2006 Artica ST.
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Written by Esteban Sanchez.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <fstream>
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#include "pandora_agent_conf.h"
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#include "pandora.h"
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using namespace std;
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using namespace Pandora;
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#define MAX_KEYS 100
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Pandora::Pandora_Agent_Conf::Pandora_Agent_Conf () {
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this->key_values = NULL;
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}
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/**
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* Destroy a Pandora_Agent_Conf object.
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*/
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Pandora::Pandora_Agent_Conf::~Pandora_Agent_Conf () {
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delete key_values;
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}
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Pandora_Agent_Conf *
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Pandora::Pandora_Agent_Conf::getInstance () {
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static Pandora_Agent_Conf *conf = NULL;
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if (conf)
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return conf;
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conf = new Pandora_Agent_Conf ();
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return conf;
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}
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/**
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* Sets configuration file to Pandora_Agent_Conf object instance.
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*
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* It parses the filename and initialize the internal structures
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* of configuration values. The configuration file consist of a number of
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* lines of some of these forms:
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* - <code>name value</code>
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* - <code>name "value with blankspaces"</code>
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*
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* @param filename Configuration file to open.
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*/
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void
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Pandora::Pandora_Agent_Conf::setFile (string filename) {
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ifstream file (filename.c_str ());
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string buffer;
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unsigned int pos;
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if (this->key_values)
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delete this->key_values;
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this->key_values = new list<Key_Value> ();
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if (!file.is_open ()) {
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return;
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}
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/* Read and set the file */
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while (!file.eof ()) {
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/* Set the value from each line */
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getline (file, buffer);
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/* Ignore blank or commented lines */
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if (buffer[0] != '#' && buffer[0] != '\n' && buffer[0] != '\0') {
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pos = buffer.find ("module_");
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if (pos == string::npos) {
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Key_Value kv;
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kv.parseLine (buffer);
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key_values->push_back (kv);
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}
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}
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}
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file.close ();
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}
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/**
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* Queries for a configuration value.
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*
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* This method search in the key_values attribute for a
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* configuration value which match the key supplied.
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*
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* @param key Key to look for.
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*
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* @return The value of the configuration key looked for.
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* If it could not be found then an empty string is returned.
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*/
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string
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Pandora::Pandora_Agent_Conf::getValue (const string key)
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{
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std::list<Key_Value>::iterator i;
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for (i = key_values->begin (); i != key_values->end (); i++) {
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if ((*i).getKey () == key) {
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return (*i).getValue ();
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}
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}
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return "";
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}
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