<?php
/*
    YSM libagregator - a PHP agregator using cron
    Copyright (C) 2006,2007,2008 Yan Morin <progysm@gmail.com>

    This file is part of YSM libagregator.

    YSM libagregator is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    YSM libagregator 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with YSM libagregator.  If not, see <http://www.gnu.org/licenses/>.
*/
/**
 * @author Yan Morin <progysm@gmail.com>
 * @license AGPL
 * @creation 2008-06-09
 */

/**
 * List of define constant
 * @var array
 */
$GLOBALS['agregatorConfDefineArray'] = array( 
	'MAX_NEWS_DISPLAYED'=>30, 
	'OUTPUT_FILE'=>'', 
	'OUTPUT_RSS_FILE'=>'', 
	'OUTPUT_HTML_FORMAT'=>'HTML',
	'HTML_TITLE'=>'titre',
	'HTML_DESCRIPTION'=>'description',
	'HTML_LINK'=>'link',
	'AGREGATOR_SHOULD_REWRITECONF'=>'0'
);

/**
 * @param string $fileName output filename
 * @param array $defineArray list of defineName => defineValue array
 * @param array $tabFilArray tabFilInfo array of array
 */
function agregatorWriteConf($fileName, &$defineArray, &$tabFilArray) {
  $fp = fopen($fileName,'wt');
  fwrite($fp, "<?php\n");
  foreach($defineArray as $defineName => $defineValue) {
    fwrite($fp, getPHPDefineString($defineName, $defineValue));
  }
  fwrite($fp, getPHPAffectationString('$tabFilInfo', $tabFilArray));
  fwrite($fp, "?>\n");
  fclose($fp);
}

function getPHPAffectationString($varName, &$mixed) {
	return $varName . ' = ' . getPHPValueString($mixed).";\n";
}

function getPHPDefineString($defineName, $value) {
    return 'define(\''.addslashes($defineName).'\',\''.addslashes($value).'\');'."\n";
}

/**
 * function to create an array from PHP code
 */
function getPHPArrayString(&$arrayFrom) {
	$returnString = 'array(';
	$isFirst = true;
	foreach($arrayFrom as $key => $value) {
		if ($isFirst) { $isFirst = false; } else { $returnString .= ','; }
		if (is_integer($key)) {
			$returnString .= $key . ' => ' . getPHPValueString($value) . "\n";
		} else {
			$returnString .= '\''.stripslashes($key).'\' => '.getPHPValueString($value) . "\n";
		}
	}
	$returnString .= ')';
	return $returnString;
}

function getPHPValueString(&$mixed) {
	$returnString = '';
	if (is_array($mixed)) {
		$returnString .= getPHPArrayString($mixed);
	} elseif (is_integer($mixed)) {
		$returnString .= $mixed;
	} elseif (is_bool($mixed)) {
		$returnString .= ($mixed) ? 'true' : 'false';
	} else {
		$returnString .= '\'' . addslashes($mixed). '\'';
	}
	return $returnString;
}

if (array_key_exists('gLang', $GLOBALS)) { $GLOBALS['gLang'] = $GLOBALS['agregatorDefaultLang']; }
if (array_key_exists('gLang', $GLOBALS) && in_array($gLang, array('en','fr'))) {
	require_once 'lang_'.$gLang.'.php';
} else {
	$GLOBALS['agregatorTrStrings'] = array();
}

function agregatorTr($string, $args = null) {
	global $agregatorTrStrings;
	if (array_key_exists($string, $agregatorTrStrings)) {
		$string = $agregatorTrStrings[$string];
	}
        if ($args !== null) {
		if (!is_array($args)) {
			$args = array($args);
		}
		foreach($args as $index=>$value) {
//			echo ($index+1) . ' ' . $value;
			$string = str_replace('$'.($index+1), $value, $string);
		}
	}
	return $string;
}

/**
 * Echo a Define variable
 * @param $str DEFINE name string (constant)
 */ 
function echoDefineHTMLInput($str, $default='') {
  $value = defined($str) ? constant($str) : $default;
  echo '<p><input type="hidden" name="DEFINETXT[]" value="'.htmlspecialchars($str).'" />' . $str . '=<input type="text" name="DEFINE[]" value="' . htmlspecialchars($value) . '" /></p>'."\n";
}

/**
 * Get the list of configuration file
 * @param string $dirpath dir where configuration file are written
 * @return array configuration filenames or null on error
 */
function getConfigFileList($dirpath) {
  $returnArray = array();

  if (is_dir($dirpath)) {
    if ($dh = opendir($dirpath)) {
      while (($file = readdir($dh)) !== false) {
        if ( is_writable($dirpath.'/'.$file) && substr($file,-4)=='.php' ) {
	  $returnArray[] = $file;
        }
      }
      closedir($dh);
   }
  } else {
    return FALSE;
  }
  return $returnArray;
}

?>