/xkid_framework/template/tbs_class.php

Large files files are truncated, but you can click here to view the full file

<?php
/*
********************************************************
TinyButStrong - Template Engine for Pro and Beginners
------------------------
Version  : 3.4.0 for PHP 4
Date     : 2008-06-06
Web site : http://www.tinybutstrong.com
Author   : http://www.tinybutstrong.com/onlyyou.html
********************************************************
This library is free software.
You can redistribute and modify it even for commercial usage,
but you must accept and respect the LPGL License version 2.1.
*/
// Check PHP version
if (PHP_VERSION<'4.0.6') echo '<br><b>TinyButStrong Error</b> (PHP Version Check) : Your PHP version is '.PHP_VERSION.' while TinyButStrong needs PHP version 4.0.6 or higher.';
if (!is_callable('array_key_exists')) {
	function array_key_exists (&$key,&$array) {return key_exists($key,$array);}
}
if (!is_callable('property_exists')) {
	function property_exists(&$obj,$prop) {return true;}
}

// Render flags
define('TBS_NOTHING', 0);
define('TBS_OUTPUT', 1);
define('TBS_EXIT', 2);

// Plug-ins actions
define('TBS_INSTALL', -1);
define('TBS_ISINSTALLED', -3);

// *********************************************

class clsTbsLocator {
	var $PosBeg = false;
	var $PosEnd = false;
	var $Enlarged = false;
	var $FullName = false;
	var $SubName = '';
	var $SubOk = false;
	var $SubLst = array();
	var $SubNbr = 0;
	var $PrmLst = array();
	var $PrmIfNbr = false;
	var $MagnetId = false;
	var $BlockFound = false;
	var $FirstMerge = true;
	var $ConvProtect = true;
	var $ConvHtml = true;
	var $ConvMode = 1; // Normal
	var $ConvBr = true;
}

// *********************************************

class clsTbsDataSource {

var $Type = false;
var $SubType = 0;
var $SrcId = false;
var $Query = '';
var $RecSet = false;
var $RecKey = '';
var $RecNum = 0;
var $RecNumInit = 0;
var $RecSaving = false;
var $RecSaved = false;
var $RecBuffer = false;
var $CurrRec = false;
var $TBS = false;
var $OnDataOk = false;
var $OnDataPrm = false;
var $OnDataPrmDone = array();
var $OnDataPi = false;

function DataAlert($Msg) {
	return $this->TBS->meth_Misc_Alert('when merging block '.$this->TBS->_ChrOpen.$this->TBS->_CurrBlock.$this->TBS->_ChrClose,$Msg);
}

function DataPrepare(&$SrcId,&$TBS) {

	$this->SrcId =& $SrcId;
	$this->TBS =& $TBS;
	$FctInfo = false;
	$FctObj = false;
	
	if (is_array($SrcId)) {
		$this->Type = 0;
	} elseif (is_resource($SrcId)) {

		$Key = get_resource_type($SrcId);
		switch ($Key) {
		case 'mysql link'            : $this->Type = 6; break;
		case 'mysql link persistent' : $this->Type = 6; break;
		case 'mysql result'          : $this->Type = 6; $this->SubType = 1; break;
		case 'pgsql link'            : $this->Type = 7; break;
		case 'pgsql link persistent' : $this->Type = 7; break;
		case 'pgsql result'          : $this->Type = 7; $this->SubType = 1; break;
		case 'sqlite database'       : $this->Type = 8; break;
		case 'sqlite database (persistent)'	: $this->Type = 8; break;
		case 'sqlite result'         : $this->Type = 8; $this->SubType = 1; break;
		default :
			$FctInfo = $Key;
			$FctCat = 'r';
		}

	} elseif (is_string($SrcId)) {

		switch (strtolower($SrcId)) {
		case 'array' : $this->Type = 0; $this->SubType = 1; break;
		case 'clear' : $this->Type = 0; $this->SubType = 3; break;
		case 'mysql' : $this->Type = 6; $this->SubType = 2; break;
		case 'text'  : $this->Type = 2; break;
		case 'num'   : $this->Type = 1; break;
		default :
			$FctInfo = $SrcId;
			$FctCat = 'k';
		}

	} elseif (is_object($SrcId)) {
		$FctInfo = get_class($SrcId);
		$FctCat = 'o';
		$FctObj =& $SrcId; 
		$this->SrcId =& $SrcId;
	} elseif ($SrcId===false) {
		$this->DataAlert('the specified source is set to FALSE. Maybe your connection has failed.');
	} else {
		$this->DataAlert('unsupported variable type : \''.gettype($SrcId).'\'.');
	}

	if ($FctInfo!==false) {
		$ErrMsg = false;
		if ($TBS->meth_Misc_UserFctCheck($FctInfo,$FctCat,$FctObj,$ErrMsg)) {
			$this->Type = $FctInfo['type'];
			if ($this->Type!==5) {
				if ($this->Type===4) { // 
					$this->FctPrm = array(false,0);
					$this->SrcId =& $FctInfo['open'][0];
				}
				$this->FctOpen  =& $FctInfo['open'];
				$this->FctFetch =& $FctInfo['fetch'];
				$this->FctClose =& $FctInfo['close'];
			}
		} else {
			$this->Type = $this->DataAlert($ErrMsg);
		}
	}

	return ($this->Type!==false);

}

function DataOpen(&$Query) {

	// Init values
	unset($this->CurrRec); $this->CurrRec = true;
	if ($this->RecSaved) {
		$this->FirstRec = true;
		unset($this->RecKey); $this->RecKey = '';
		$this->RecNum = $this->RecNumInit;
		if ($this->OnDataOk) $this->OnDataArgs[1] =& $this->CurrRec;
		return true;
	}
	unset($this->RecSet); $this->RecSet = false;
	$this->RecNumInit = 0;
	$this->RecNum = 0;

	if (isset($this->TBS->_piOnData)) {
		$this->OnDataPi = true;
		$this->OnDataPiRef =& $this->TBS->_piOnData;
		$this->OnDataOk = true;
	}
	if ($this->OnDataOk) {
		$this->OnDataArgs = array();
		$this->OnDataArgs[0] =& $this->TBS->_CurrBlock;
		$this->OnDataArgs[1] =& $this->CurrRec;
		$this->OnDataArgs[2] =& $this->RecNum;
		$this->OnDataArgs[3] =& $this->TBS;
	}

	switch ($this->Type) {
	case 0: // Array
		if (($this->SubType===1) and (is_string($Query))) $this->SubType = 2;
		if ($this->SubType===0) {
			if (PHP_VERSION==='4.4.1') {$this->RecSet = $this->SrcId;} else {$this->RecSet =& $this->SrcId;} // bad bug in PHP 4.4.1
		} elseif ($this->SubType===1) {
			if (is_array($Query)) {
				if (PHP_VERSION==='4.4.1') {$this->RecSet = $Query;} else {$this->RecSet =& $Query;}
			} else {
				$this->DataAlert('type \''.gettype($Query).'\' not supported for the Query Parameter going with \'array\' Source Type.');
			}
		} elseif ($this->SubType===2) {
			// TBS query string for array and objects, syntax: "var[item1][item2]->item3[item4]..."
			$x = trim($Query);
			$z = chr(0);
			$x = str_replace(']->',$z,$x);
			$x = str_replace('][',$z,$x);
			$x = str_replace('->',$z,$x);
			$x = str_replace('[',$z,$x);
			if (substr($x,strlen($x)-1,1)===']') $x = substr($x,0,strlen($x)-1);
			$ItemLst = explode($z,$x);
			$ItemNbr = count($ItemLst);
			$Item0 =& $ItemLst[0];
			// Check first item
			if ($Item0[0]==='~') {
				$Item0 = substr($Item0,1);
				if ($this->TBS->ObjectRef!==false) {
					$Var =& $this->TBS->ObjectRef;
					$i = 0;
				} else {
					$i = $this->DataAlert('invalid query \''.$Query.'\' because property ObjectRef is not set.');
				}
			} else {
				if (isset($GLOBALS[$Item0])) {
					if ((PHP_VERSION==='4.4.1') and is_array($GLOBALS[$Item0])) {$Var = $GLOBALS[$Item0];} else {$Var =& $GLOBALS[$Item0];}
					$i = 1;
				} else {
					$i = $this->DataAlert('invalid query \''.$Query.'\' because global variable \''.$Item0.'\' is not found.');
				}
			}
			// Check sub-items
			$Empty = false;
			while (($i!==false) and ($i<$ItemNbr) and ($Empty===false)) {
				$x = $ItemLst[$i];
				if (is_array($Var)) {
					if (isset($Var[$x])) {
						$Var =& $Var[$x];
					} else {
						$Empty = true;
					}
				} elseif (is_object($Var)) {
					$ArgLst = $this->f_Misc_CheckArgLst($x);
					if (method_exists($Var,$x)) {
						$f = array(&$Var,$x); unset($Var);
						$Var = call_user_func_array($f,$ArgLst);
					} elseif (isset($Var->$x)) {
						$Var =& $Var->$x;
					} else {
						$Empty = true;
					}
				} else {
					$i = $this->DataAlert('invalid query \''.$Query.'\' because item \''.$ItemLst[$i].'\' is neither an Array nor an Object. Its type is \''.gettype($Var).'\'.');
				}
				if ($i!==false) $i++;
			}
			// Assign data
			if ($i!==false) {
				if ($Empty) {
					$this->RecSet = array();
				} else {
					$this->RecSet =& $Var;
				}
			}
		} elseif ($this->SubType===3) { // Clear
			$this->RecSet = array();
		}
		// First record
		if ($this->RecSet!==false) {
			$this->RecNbr = $this->RecNumInit + count($this->RecSet);
			$this->FirstRec = true;
			$this->RecSaved = true;
			$this->RecSaving = false;
		}
		break;
	case 6: // MySQL
		switch ($this->SubType) {
		case 0: $this->RecSet = @mysql_query($Query,$this->SrcId); break;
		case 1: $this->RecSet = $this->SrcId; break;
		case 2: $this->RecSet = @mysql_query($Query); break;
		}
		if ($this->RecSet===false) $this->DataAlert('MySql error message when opening the query: '.mysql_error());
		break;
	case 1: // Num
		$this->RecSet = true;
		$this->NumMin = 1;
		$this->NumMax = 1;
		$this->NumStep = 1;
		if (is_array($Query)) {
			if (isset($Query['min'])) $this->NumMin = $Query['min'];
			if (isset($Query['step'])) $this->NumStep = $Query['step'];
			if (isset($Query['max'])) {
				$this->NumMax = $Query['max'];
			} else {
				$this->RecSet = $this->DataAlert('the \'num\' source is an array that has no value for the \'max\' key.');
			}
			if ($this->NumStep==0) $this->RecSet = $this->DataAlert('the \'num\' source is an array that has a step value set to zero.');
		} else {
			$this->NumMax = ceil($Query);
		}
		if ($this->RecSet) {
			if ($this->NumStep>0) {
				$this->NumVal = $this->NumMin;
			} else {
				$this->NumVal = $this->NumMax;
			}
		}
		break;
	case 2: // Text
		if (is_string($Query)) {
			$this->RecSet =& $Query;
		} else {
			$this->RecSet = ''.$Query;
		}
		break;
	case 3: // Custom function
		$FctOpen = $this->FctOpen;
		$this->RecSet = $FctOpen($this->SrcId,$Query);
		if ($this->RecSet===false) $this->DataAlert('function '.$FctOpen.'() has failed to open query {'.$Query.'}');
		break;
	case 4: // Custom method from ObjectRef
		$this->RecSet = call_user_func_array($this->FctOpen,array(&$this->SrcId,&$Query));
		if ($this->RecSet===false) $this->DataAlert('method '.get_class($this->FctOpen[0]).'::'.$this->FctOpen[1].'() has failed to open query {'.$Query.'}');
		break;
	case 5: // Custom method of object
		$this->RecSet = $this->SrcId->tbsdb_open($this->SrcId,$Query);
		if ($this->RecSet===false) $this->DataAlert('method '.get_class($this->SrcId).'::tbsdb_open() has failed to open query {'.$Query.'}');
		break;
	case 7: // PostgreSQL
		switch ($this->SubType) {
		case 0: $this->RecSet = @pg_query($this->SrcId,$Query); break;
		case 1: $this->RecSet = $this->SrcId; break;
		}
		if ($this->RecSet===false) $this->DataAlert('PostgreSQL error message when opening the query: '.pg_last_error($this->SrcId));
		break;
	case 8: // SQLite
		switch ($this->SubType) {
		case 0: $this->RecSet = @sqlite_query($this->SrcId,$Query); break;
		case 1: $this->RecSet = $this->SrcId; break;
		}
		if ($this->RecSet===false) $this->DataAlert('SQLite error message when opening the query:'.sqlite_error_string(sqlite_last_error($this->SrcId)));
		break;
	}

	if ($this->Type===0) {
		unset($this->RecKey); $this->RecKey = '';
	} else {
		if ($this->RecSaving) {
			unset($this->RecBuffer); $this->RecBuffer = array();
		}
		$this->RecKey =& $this->RecNum; // Not array: RecKey = RecNum
	}

	return ($this->RecSet!==false);

}

function DataFetch() {

	if ($this->RecSaved) {
		if ($this->RecNum<$this->RecNbr) {
			if ($this->FirstRec) {
				if ($this->SubType===2) { // From string
					reset($this->RecSet);
					$this->RecKey = key($this->RecSet);
					$this->CurrRec =& $this->RecSet[$this->RecKey];
				} else {
					$this->CurrRec = reset($this->RecSet);
					$this->RecKey = key($this->RecSet);
				}
				$this->FirstRec = false;
			} else {
				if ($this->SubType===2) { // From string
					next($this->RecSet);
					$this->RecKey = key($this->RecSet);
					$this->CurrRec =& $this->RecSet[$this->RecKey];
				} else {
					$this->CurrRec = next($this->RecSet);
					$this->RecKey = key($this->RecSet);
				}
			}
			if ((!is_array($this->CurrRec)) and (!is_object($this->CurrRec))) $this->CurrRec = array('key'=>$this->RecKey, 'val'=>$this->CurrRec);
			$this->RecNum++;
			if ($this->OnDataOk) {
				if ($this->OnDataPrm) call_user_func_array($this->OnDataPrmRef,$this->OnDataArgs);
				if ($this->OnDataPi) $this->TBS->meth_PlugIn_RunAll($this->OnDataPiRef,$this->OnDataArgs);
				if ($this->SubType!==2) $this->RecSet[$this->RecKey] = $this->CurrRec; // save modifications because array reading is done without reference :(
			}
		} else {
			unset($this->CurrRec); $this->CurrRec = false;
		}
		return;
	}

	switch ($this->Type) {
	case 6: // MySQL
		$this->CurrRec = mysql_fetch_assoc($this->RecSet);
		break;
	case 1: // Num
		if (($this->NumVal>=$this->NumMin) and ($this->NumVal<=$this->NumMax)) {
			$this->CurrRec = array('val'=>$this->NumVal);
			$this->NumVal += $this->NumStep;
		} else {
			$this->CurrRec = false;
		}
		break;
	case 2: // Text
		if ($this->RecNum===0) {
			if ($this->RecSet==='') {
				$this->CurrRec = false;
			} else {
				$this->CurrRec =& $this->RecSet;
			}
		} else {
			$this->CurrRec = false;
		}
		break;
	case 3: // Custom function
		$FctFetch = $this->FctFetch;
		$this->CurrRec = $FctFetch($this->RecSet,$this->RecNum+1);
		break;
	case 4: // Custom method from ObjectRef
		$this->FctPrm[0] =& $this->RecSet; $this->FctPrm[1] = $this->RecNum+1;
		$this->CurrRec = call_user_func_array($this->FctFetch,$this->FctPrm);
		break;
	case 5: // Custom method of object
		$this->CurrRec = $this->SrcId->tbsdb_fetch($this->RecSet,$this->RecNum+1);
		break;
	case 7: // PostgreSQL
		$this->CurrRec = @pg_fetch_array($this->RecSet,$this->RecNum,PGSQL_ASSOC); // warning comes when no record left.
		break;
	case 8: // SQLite
		$this->CurrRec = sqlite_fetch_array($this->RecSet,SQLITE_ASSOC);
		break;
	}

	// Set the row count
	if ($this->CurrRec!==false) {
		$this->RecNum++;
		if ($this->OnDataOk) {
			$this->OnDataArgs[1] =& $this->CurrRec; // Reference has changed if ($this->SubType===2)
			if ($this->OnDataPrm) call_user_func_array($this->OnDataPrmRef,$this->OnDataArgs);
			if ($this->OnDataPi) $this->TBS->meth_PlugIn_RunAll($this->OnDataPiRef,$this->OnDataArgs);
		}
		if ($this->RecSaving) $this->RecBuffer[$this->RecKey] = $this->CurrRec;
	}

}

function DataClose() {
	$this->OnDataOk = false;
	$this->OnDataPrm = false;
	$this->OnDataPi = false;
	if ($this->RecSaved) return;
	switch ($this->Type) {
	case 6: mysql_free_result($this->RecSet); break;
	case 3: $FctClose=$this->FctClose; $FctClose($this->RecSet); break;
	case 4: call_user_func_array($this->FctClose,array(&$this->RecSet)); break;
	case 5: $this->SrcId->tbsdb_close($this->RecSet); break;
	case 7: pg_free_result($this->RecSet); break;
	}
	if ($this->RecSaving) {
		$this->RecSet =& $this->RecBuffer;
		$this->RecNbr = $this->RecNumInit + count($this->RecSet);
		$this->RecSaving = false;
		$this->RecSaved = true;
	}
}

}

// *********************************************

class clsTinyButStrong {

// Public properties
var $Source = '';
var $Render = 3;
var $TplVars = array();
var $ObjectRef = false;
var $NoErr = false;
// Undocumented (can change at any version)
var $Version = '3.4.0';
var $HtmlCharSet = '';
var $TurboBlock = true;
var $VarPrefix = '';
var $Protect = true;
var $ErrCount = 0;
// Private
var $_LastFile = '';
var $_HtmlCharFct = false;
var $_Mode = 0;
var $_CurrBlock = '';
var $_ChrOpen = '[';
var $_ChrClose = ']';
var $_ChrVal = '[val]';
var $_ChrProtect = '&#91;';
var $_PlugIns = array();
var $_PlugIns_Ok = false;
var $_piOnFrm_Ok = false;

function clsTinyButStrong($Chrs='',$VarPrefix='') {
	if ($Chrs!=='') {
		$Ok = false;
		$Len = strlen($Chrs);
		if ($Len===2) { // For compatibility
			$this->_ChrOpen = $Chrs[0];
			$this->_ChrClose = $Chrs[1];
			$Ok = true;
		} else {
			$Pos = strpos($Chrs,',');
			if (($Pos!==false) and ($Pos>0) and ($Pos<$Len-1)) {
				$this->_ChrOpen = substr($Chrs,0,$Pos);
				$this->_ChrClose = substr($Chrs,$Pos+1);
				$Ok = true;
			}
		}
		if ($Ok) {
			$this->_ChrVal = $this->_ChrOpen.'val'.$this->_ChrClose;
			$this->_ChrProtect = '&#'.ord($this->_ChrOpen[0]).';'.substr($this->_ChrOpen,1);
		} else {
			$this->meth_Misc_Alert('with clsTinyButStrong() function','value \''.$Chrs.'\' is a bad tag delimitor definition.');
		}
	}
	$this->VarPrefix = $VarPrefix;
	// Links to global variables
	global $_TBS_FormatLst, $_TBS_UserFctLst, $_TBS_AutoInstallPlugIns;
	if (!isset($_TBS_FormatLst))  $_TBS_FormatLst  = array();
	if (!isset($_TBS_UserFctLst)) $_TBS_UserFctLst = array();
	$this->_FormatLst =& $_TBS_FormatLst;
	$this->_UserFctLst =& $_TBS_UserFctLst; 
	// Auto-installing plug-ins
	if (isset($_TBS_AutoInstallPlugIns)) foreach ($_TBS_AutoInstallPlugIns as $pi) $this->PlugIn(TBS_INSTALL,$pi);
}

// Public methods
function LoadTemplate($File,$HtmlCharSet='') {
	if ($File==='') {
		$this->meth_Misc_Charset($HtmlCharSet);
		return true;
	}
	$Ok = true;
	if ($this->_PlugIns_Ok) {
		if (isset($this->_piBeforeLoadTemplate) or isset($this->_piAfterLoadTemplate)) {
			// Plug-ins
			$ArgLst = func_get_args();
			$ArgLst[0] =& $File;
			$ArgLst[1] =& $HtmlCharSet;
			if (isset($this->_piBeforeLoadTemplate)) $Ok = $this->meth_PlugIn_RunAll($this->_piBeforeLoadTemplate,$ArgLst);
		}
	}
	// Load the file
	if ($Ok!==false) {
		if (!is_null($File)) {
			$x = '';
			if (!$this->f_Misc_GetFile($x,$File,$this->_LastFile)) return $this->meth_Misc_Alert('with LoadTemplate() method','file \''.$File.'\' is not found or not readable.');
			if ($HtmlCharSet==='+') {
				$this->Source .= $x;
			} else {
				$this->Source = $x;
			}
		}
		if ($this->_Mode==0) {
			if (!is_null($File)) $this->_LastFile = $File;
			$this->TplVars = array();
			$this->meth_Misc_Charset($HtmlCharSet);
		}
		// Automatic fields and blocks
		$this->meth_Merge_AutoOn($this->Source,'onload',true,true);
	}
	// Plug-ins
	if ($this->_PlugIns_Ok and isset($ArgLst) and isset($this->_piAfterLoadTemplate)) $Ok = $this->meth_PlugIn_RunAll($this->_piAfterLoadTemplate,$ArgLst);
	return $Ok;
}

function GetBlockSource($BlockName,$List=false,$KeepDefTags=true) {
	$RetVal = array();
	$Nbr = 0;
	$Pos = 0;
	$FieldOutside = false;
	$P1 = false;
	$Mode = ($KeepDefTags) ? 3 : 2;
	while ($Loc = $this->meth_Locator_FindBlockNext($this->Source,$BlockName,$Pos,'.',$Mode,$P1,$FieldOutside)) {
		$P1 = false;
		$Nbr++;
		$RetVal[$Nbr] = $Loc->BlockSrc;
		if (!$List) return $RetVal[$Nbr];
		$Pos = $Loc->PosEnd;
	}
	if ($List) {
		return $RetVal;
	} else {
		return false;
	}
}

function MergeBlock($BlockLst,$SrcId,$Query='') {
	if ($SrcId==='cond') {
		$Nbr = 0;
		$BlockLst = explode(',',$BlockLst);
		foreach ($BlockLst as $Block) {
			$Block = trim($Block);
			if ($Block!=='') $Nbr += $this->meth_Merge_AutoOn($this->Source,$Block,true,true);
		}
		return $Nbr;
	} else {
		return $this->meth_Merge_Block($this->Source,$BlockLst,$SrcId,$Query,false,0);
	}
}

function MergeField($NameLst,$Value=null,$IsUserFct=false) {

	$FctCheck = $IsUserFct;
	if ($PlugIn = isset($this->_piOnMergeField)) $ArgPi = array('','',&$Value,0,&$this->Source,0,0);
	$SubStart = 0;
	$Ok = true;

	$NameLst = explode(',',$NameLst);
	foreach ($NameLst as $Name) {
		$Name = trim($Name);
		$Cont = false;
		switch ($Name) {
		case '': $Cont=true;
		case 'onload': $this->meth_Merge_AutoOn($this->Source,'onload',true,true);$Cont=true;
		case 'onshow': $this->meth_Merge_AutoOn($this->Source,'onshow',true,true);$Cont=true;
		case 'var':	$this->meth_Merge_AutoVar($this->Source,true);$Cont=true;
		}
		if ($Cont) continue;
		if ($PlugIn) $ArgPi[0] = $Name;
		$PosBeg = 0;
		// Initilize the user function (only once)
		if ($FctCheck) {
			$FctInfo = $Value;
			$ErrMsg = false;
			if (!$this->meth_Misc_UserFctCheck($FctInfo,'f',$ErrMsg,$ErrMsg)) return $this->meth_Misc_Alert('with MergeField() method',$ErrMsg);
			$FctArg = array('','');
			$SubStart = false;
			$FctCheck = false;
		}
		while ($Loc = $this->meth_Locator_FindTbs($this->Source,$Name,$PosBeg,'.')) {
			// Apply user function
			if ($IsUserFct) {
				$FctArg[0] =& $Loc->SubName; $FctArg[1] =& $Loc->PrmLst;
				$Value = call_user_func_array($FctInfo,$FctArg);
			}
			// Plug-ins
			if ($PlugIn) {
				$ArgPi[1] = $Loc->SubName; $ArgPi[3] =& $Loc->PrmLst; $ArgPi[5] =& $Loc->PosBeg; $ArgPi[6] =& $Loc->PosEnd;
				$Ok = $this->meth_PlugIn_RunAll($this->_piOnMergeField,$ArgPi);
			}
			// Merge the field
			if ($Ok) {
				$PosBeg = $this->meth_Locator_Replace($this->Source,$Loc,$Value,$SubStart);
			} else {
				$PosBeg = $Loc->PosEnd;
			}
		}
	}
}

function Show($Render=false) {
	$Ok = true;
	if ($Render===false) $Render = $this->Render;
	if ($this->_PlugIns_Ok) {
		if (isset($this->_piBeforeShow) or isset($this->_piAfterShow)) {
			// Plug-ins
			$ArgLst = func_get_args();
			$ArgLst[0] =& $Render;
			if (isset($this->_piBeforeShow)) $Ok = $this->meth_PlugIn_RunAll($this->_piBeforeShow,$ArgLst);
		}
	}
	if ($Ok!==false) {
		$this->meth_Merge_AutoOn($this->Source,'onshow',true,true);
		$this->meth_Merge_AutoVar($this->Source,true);
	}
	if ($this->_PlugIns_Ok and isset($ArgLst) and isset($this->_piAfterShow)) $this->meth_PlugIn_RunAll($this->_piAfterShow,$ArgLst);
	if (($Render & TBS_OUTPUT)==TBS_OUTPUT) echo $this->Source;
	if (($this->_Mode==0) and (($Render & TBS_EXIT)==TBS_EXIT)) exit;
	return $Ok;
}

function PlugIn($Prm1,$Prm2=0) {

	if (is_numeric($Prm1)) {
		switch ($Prm1) {
		case TBS_INSTALL:
			$PlugInId = $Prm2;
	  	// Try to install the plug-in
			if (isset($this->_PlugIns[$PlugInId])) {
				return $this->meth_Misc_Alert('with PlugIn() method','plug-in \''.$PlugInId.'\' is already installed.');
			} else {
				$ArgLst = func_get_args();
				array_shift($ArgLst); array_shift($ArgLst);
				return $this->meth_PlugIn_Install($PlugInId,$ArgLst,false);
			}
		case TBS_ISINSTALLED:
	  	// Check if the plug-in is installed
			return isset($this->_PlugIns[$Prm2]);
		case -4: // Deactivate special plug-ins
			$this->_PlugIns_Ok_save = $this->_PlugIns_Ok;
			$this->_PlugIns_Ok = false;
			return true;
		case -5: // Deactivate OnFormat
			$this->_piOnFrm_Ok_save = $this->_piOnFrm_Ok;
			$this->_piOnFrm_Ok = false;
			return true;
		case -10:  // Restore
			$this->_PlugIns_Ok = $this->_PlugIns_Ok_save;
			$this->_piOnFrm_Ok = $this->_piOnFrm_Ok_save;
			return true;
		}

  } elseif (is_string($Prm1)) {
  	// Plug-in's command
  	$PlugInId = $Prm1;
		if (!isset($this->_PlugIns[$PlugInId])) {
			if (!$this->meth_PlugIn_Install($PlugInId,array(),true)) return false;
		}
		if (!isset($this->_piOnCommand[$PlugInId])) return $this->meth_Misc_Alert('with PlugIn() method','plug-in \''.$PlugInId.'\' can\'t run any command because the OnCommand event is not defined or activated.');
		$ArgLst = func_get_args();
		array_shift($ArgLst);
		$Ok = call_user_func_array($this->_piOnCommand[$PlugInId],$ArgLst);
		if (is_null($Ok)) $Ok = true;
		return $Ok;
  }
	return $this->meth_Misc_Alert('with PlugIn() method','\''.$Prm1.'\' is an invalid plug-in key, the type of the value is \''.gettype($Prm1).'\'.');

}

// *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

function meth_Locator_FindTbs(&$Txt,$Name,$Pos,$ChrSub) {
// Find a TBS Locator

	$PosEnd = false;
	$PosMax = strlen($Txt) -1;
	$Start = $this->_ChrOpen.$Name;

	do {
		// Search for the opening char
		if ($Pos>$PosMax) return false;
		$Pos = strpos($Txt,$Start,$Pos);

		// If found => next chars are analyzed
		if ($Pos===false) {
			return false;
		} else {
			$Loc =& new clsTbsLocator;
			$ReadPrm = false;
			$PosX = $Pos + strlen($Start);
			$x = $Txt[$PosX];

			if ($x===$this->_ChrClose) {
				$PosEnd = $PosX;
			} elseif ($x===$ChrSub) {
				$Loc->SubOk = true; // it is no longer the false value
				$ReadPrm = true;
				$PosX++;
			} elseif (strpos(';',$x)!==false) {
				$ReadPrm = true;
				$PosX++;
			} else {
				$Pos++;
			}

			if ($ReadPrm) {
				$this->f_Loc_PrmRead($Txt,$PosX,false,'\'',$this->_ChrOpen,$this->_ChrClose,$Loc,$PosEnd);
				if ($PosEnd===false) {
					$this->meth_Misc_Alert('','can\'t found the end of the tag \''.substr($Txt,$Pos,$PosX-$Pos+10).'...\'.');
					$Pos++;
				}
			}

		}

	} while ($PosEnd===false);

	$Loc->PosBeg = $Pos;
	$Loc->PosEnd = $PosEnd;
	if ($Loc->SubOk) {
		$Loc->FullName = $Name.'.'.$Loc->SubName;
		$Loc->SubLst = explode('.',$Loc->SubName);
		$Loc->SubNbr = count($Loc->SubLst);
	} else {
		$Loc->FullName = $Name;
	}
	if ($ReadPrm and isset($Loc->PrmLst['comm'])) {
		$Loc->PosBeg0 = $Loc->PosBeg;
		$Loc->PosEnd0 = $Loc->PosEnd;
		$comm = $Loc->PrmLst['comm'];
		if (($comm===true) or ($comm==='')) {
			$Loc->Enlarged = $this->f_Loc_EnlargeToStr($Txt,$Loc,'<!--' ,'-->');
		} else {
			$Loc->Enlarged = $this->f_Loc_EnlargeToTag($Txt,$Loc,$comm,false);
		}
	}

	return $Loc;

}

function &meth_Locator_SectionNewBDef(&$LocR,$BlockName,$Txt,$PrmLst) {

	$Chk = true;
	$LocLst = array();
	$LocNbr = 0;

	// Cache TBS locators
	if ($this->TurboBlock) {

		$Chk = false;
		$Pos = 0;
		$PrevEnd = -1;
		while ($Loc = $this->meth_Locator_FindTbs($Txt,$BlockName,$Pos,'.')) {
			if (($Loc->SubName==='#') or ($Loc->SubName==='$')) {
				$Loc->IsRecInfo = true;
				$Loc->RecInfo = $Loc->SubName;
				$Loc->SubName = '';
			} else {
				$Loc->IsRecInfo = false;
			}
			if ($Loc->PosBeg>$PrevEnd) {
				// The previous tag is not embeding => increment
				$LocNbr++;
			} else {
				// The previous tag is embeding => no increment, then previous is over writed
				$Chk = true;
			}
			$PrevEnd = $Loc->PosEnd;
			if ($Loc->Enlarged) { // Parameter 'comm'
				$Pos = $Loc->PosBeg0+1;
				$Loc->Enlarged = false;
			} else {
				$Pos = $Loc->PosBeg+1;
			}
			$LocLst[$LocNbr] = $Loc;
		}
	
	}

	// Create the object
	$o = (object) null;
	$o->Prm = $PrmLst;
	$o->LocLst = $LocLst;
	$o->LocNbr = $LocNbr;
	$o->Name = $BlockName;
	$o->Src = $Txt;
	$o->Chk = $Chk;
	$o->IsSerial = false;
	$LocR->BDefLst[] =& $o; // Can be usefull for plug-in
	return $o;

}

function meth_Locator_SectionAddGrp(&$LocR,$BlockName,&$BDef,$Type,$Field,$Prm) {

	$BDef->PrevValue = false;
	$BDef->Type = $Type;

  // Save sub items in a structure near to Locator.
  $Field0 = $Field;
  if (strpos($Field,$this->_ChrOpen)===false) $Field = $this->_ChrOpen.$BlockName.'.'.$Field.$this->_ChrClose;
	$BDef->FDef =& $this->meth_Locator_SectionNewBDef($LocR,$BlockName,$Field,array());
	if ($BDef->FDef->LocNbr==0)	$this->meth_Misc_Alert('Parameter '.$Prm,'The value \''.$Field0.'\' is unvalide for this parameter.');

	if ($Type==='H') {
		if ($LocR->HeaderFound===false) {
			$LocR->HeaderFound = true;
			$LocR->HeaderNbr = 0;
			$LocR->HeaderDef = array(); // 1 to HeaderNbr
		}
		$i = ++$LocR->HeaderNbr;
		$LocR->HeaderDef[$i] =& $BDef;
	} else {
		if ($LocR->FooterFound===false) {
			$LocR->FooterFound = true;
			$LocR->FooterNbr = 0;
			$LocR->FooterDef = array(); // 1 to FooterNbr
		}
		$BDef->AddLastGrp = ($Type==='F');
		$i = ++$LocR->FooterNbr;
		$LocR->FooterDef[$i] =& $BDef;
	}

}

function meth_Locator_Replace(&$Txt,&$Loc,&$Value,$SubStart) {
// This function enables to merge a locator with a text and returns the position just after the replaced block
// This position can be useful because we don't know in advance how $Value will be replaced.

	// Found the value if there is a subname
	if (($SubStart!==false) and $Loc->SubOk) {
		for ($i=$SubStart;$i<$Loc->SubNbr;$i++) {
			$x = $Loc->SubLst[$i]; // &$Loc... brings an error with Event Example, I don't know why.
			if (is_array($Value)) {
				if (isset($Value[$x])) {
					$Value =& $Value[$x];
				} elseif (array_key_exists($x,$Value)) {// can happens when value is NULL
					$Value =& $Value[$x];
				} else {
					if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'item \''.$x.'\' is not an existing key in the array.',true);
					unset($Value); $Value = ''; break;
				}
			} elseif (is_object($Value)) {
				$ArgLst = $this->f_Misc_CheckArgLst($x);
				if (method_exists($Value,$x)) {
					$x = call_user_func_array(array(&$Value,$x),$ArgLst);
				} elseif (property_exists($Value,$x)) {
					$x =& $Value->$x;
				} else {
					if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'item '.$x.'\' is neither a method nor a property in the class \''.get_class($Value).'\'.',true);
					unset($Value); $Value = ''; break;
				}
				$Value =& $x; unset($x); $x = '';
			} else {
				if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'item before \''.$x.'\' is neither an object nor an array. Its type is '.gettype($Value).'.',true);
				unset($Value); $Value = ''; break;
			}
		}
	}

	$CurrVal = $Value; // Unlink

	if (isset($Loc->PrmLst['onformat'])) {
		if ($Loc->FirstMerge) {
			$Loc->OnFrmInfo = $Loc->PrmLst['onformat'];
			$Loc->OnFrmArg = array(&$Loc->FullName,'',&$Loc->PrmLst,&$this);
			$ErrMsg = false;
			if (!$this->meth_Misc_UserFctCheck($Loc->OnFrmInfo,'f',$ErrMsg,$ErrMsg)) {
				unset($Loc->PrmLst['onformat']);
				if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'(parameter onformat) '.$ErrMsg);
				$Loc->OnFrmInfo = 'pi'; // Execute the function pi() just to avoid extra error messages 
			}
		}
		$Loc->OnFrmArg[1] =& $CurrVal;
		if (isset($Loc->PrmLst['subtpl'])) {
			$this->meth_Misc_ChangeMode(true,$Loc,$CurrVal);
			call_user_func_array($Loc->OnFrmInfo,$Loc->OnFrmArg);
			$this->meth_Misc_ChangeMode(false,$Loc,$CurrVal);
			$Loc->ConvProtect = false;
			$Loc->ConvHtml = false;
		} else {
			call_user_func_array($Loc->OnFrmInfo,$Loc->OnFrmArg);
		}
	}

	if ($Loc->FirstMerge) {
		if (isset($Loc->PrmLst['frm'])) {
			$Loc->ConvMode = 0; // Frm
			$Loc->ConvProtect = false;
		} else {
			// Analyze parameter 'htmlconv'
			if (isset($Loc->PrmLst['htmlconv'])) {
				$x = strtolower($Loc->PrmLst['htmlconv']);
				$x = '+'.str_replace(' ','',$x).'+';
				if (strpos($x,'+esc+')!==false)  {$this->f_Misc_ConvSpe($Loc); $Loc->ConvHtml = false; $Loc->ConvEsc = true; }
				if (strpos($x,'+wsp+')!==false)  {$this->f_Misc_ConvSpe($Loc); $Loc->ConvWS = true; }
				if (strpos($x,'+js+')!==false)   {$this->f_Misc_ConvSpe($Loc); $Loc->ConvHtml = false; $Loc->ConvJS = true; }
				if (strpos($x,'+no+')!==false)   $Loc->ConvHtml = false;
				if (strpos($x,'+yes+')!==false)  $Loc->ConvHtml = true;
				if (strpos($x,'+nobr+')!==false) {$Loc->ConvHtml = true; $Loc->ConvBr = false; }
			} else {
				if ($this->HtmlCharSet===false) $Loc->ConvHtml = false; // No HTML
			}
			// Analyze parameter 'protect'
			if (isset($Loc->PrmLst['protect'])) {
				$x = strtolower($Loc->PrmLst['protect']);
				if ($x==='no') {
					$Loc->ConvProtect = false;
				} elseif ($x==='yes') {
					$Loc->ConvProtect = true;
				}
			} elseif ($this->Protect===false) {
				$Loc->ConvProtect = false;
			}
		}
		if ($Loc->Ope = isset($Loc->PrmLst['ope'])) {
			$OpeLst = explode(',',$Loc->PrmLst['ope']);
			$Loc->OpeAct = array();
			$Loc->OpeArg = array();
			foreach ($OpeLst as $i=>$ope) {
				if ($ope==='list') {
					$Loc->OpeAct[$i] = 1;
					$Loc->OpePrm[$i] = (isset($Loc->PrmLst['valsep'])) ? $Loc->PrmLst['valsep'] : ',';
				} elseif ($ope==='minv') {
					$Loc->OpeAct[$i] = 8;
					$Loc->MInv = true;
				} else {
					$x = substr($ope,0,4);
					if ($x==='max:') {
						$Loc->OpeAct[$i] = (isset($Loc->PrmLst['maxhtml'])) ? 2 : 3;
						$Loc->OpePrm[$i] = intval(trim(substr($ope,4)));
						$Loc->OpeEnd = (isset($Loc->PrmLst['maxend'])) ? $Loc->PrmLst['maxend'] : '...';
						if ($Loc->OpePrm[$i]<=0) $Loc->Ope = false;
					} elseif ($x==='mod:') {$Loc->OpeAct[$i] = 4; $Loc->OpePrm[$i] = '0'+trim(substr($ope,4));
					} elseif ($x==='add:') {$Loc->OpeAct[$i] = 5; $Loc->OpePrm[$i] = '0'+trim(substr($ope,4));
					} elseif ($x==='mul:') {$Loc->OpeAct[$i] = 6; $Loc->OpePrm[$i] = '0'+trim(substr($ope,4));
					} elseif ($x==='div:') {$Loc->OpeAct[$i] = 7; $Loc->OpePrm[$i] = '0'+trim(substr($ope,4));
					} elseif ($x==='nif:') {$Loc->OpeAct[$i] = 9; $Loc->OpePrm[$i] = trim(substr($ope,4));
					} elseif (isset($this->_piOnOperation)) {
						$Loc->OpeAct[$i] = 0;
						$Loc->OpePrm[$i] = $ope;
						$Loc->OpeArg[$i] = array(&$Loc->FullName,&$CurrVal,&$Loc->PrmLst,&$Txt,$Loc->PosBeg,$Loc->PosEnd,&$Loc);
						$Loc->PrmLst['_ope'] = $Loc->PrmLst['ope'];
					} elseif (!isset($Loc->PrmLst['noerr'])) {
						$this->meth_Misc_Alert($Loc,'parameter ope doesn\'t support value \''.$ope.'\'.',true);
					}
				}
			}
		}
		$Loc->FirstMerge = false;
	}
	$ConvProtect = $Loc->ConvProtect;

	// Plug-in OnFormat
	if ($this->_piOnFrm_Ok) {
		if (isset($Loc->OnFrmArgPi)) {
			$Loc->OnFrmArgPi[1] =& $CurrVal;
		} else {
			$Loc->OnFrmArgPi = array(&$Loc->FullName,&$CurrVal,&$Loc->PrmLst,&$this);
		}
		$this->meth_PlugIn_RunAll($this->_piOnFormat,$Loc->OnFrmArgPi);
	}

	// Operation
	if ($Loc->Ope) {
		foreach ($Loc->OpeAct as $i=>$ope) {
			switch ($ope) {
			case 0:
				$Loc->PrmLst['ope'] = $Loc->OpePrm[$i]; // for compatibility
				$OpeArg =& $Loc->OpeArg[$i];
				$OpeArg[1] =& $CurrVal; $OpeArg[3] =& $Txt;
				if (!$this->meth_PlugIn_RunAll($this->_piOnOperation,$OpeArg)) return $Loc->PosBeg;
				break;
			case 1: if (is_array($CurrVal)) $CurrVal = implode($Loc->OpePrm[$i],$CurrVal); break;
			case 2: if (strlen(''.$CurrVal)>$Loc->OpePrm[$i]) $this->f_Xml_Max($CurrVal,$Loc->OpePrm[$i],$Loc->OpeEnd); break;
			case 3: if (strlen(''.$CurrVal)>$Loc->OpePrm[$i]) $CurrVal = substr(''.$CurrVal,0,$Loc->OpePrm[$i]).$Loc->OpeEnd; break;
			case 4: $CurrVal = ('0'+$CurrVal) % $Loc->OpePrm[$i]; break;
			case 5: $CurrVal = ('0'+$CurrVal) + $Loc->OpePrm[$i]; break;
			case 6: $CurrVal = ('0'+$CurrVal) * $Loc->OpePrm[$i]; break;
			case 7: $CurrVal = ('0'+$CurrVal) / $Loc->OpePrm[$i]; break;
			case 8: $Loc->MInvOk = ($CurrVal!==''); $CurrVal = ''; break;
			case 9: if ($CurrVal===$Loc->OpePrm[$i]) $CurrVal = ''; break;
			}
		}
	}

	// HTML conversion or format
	if ($Loc->ConvMode===1) { // Html simple
		if (!is_string($CurrVal)) $CurrVal = @strval($CurrVal);
		if ($Loc->ConvHtml) $this->meth_Conv_Html($CurrVal,$Loc->ConvBr);
	} elseif ($Loc->ConvMode===0) { // Format
		$CurrVal = $this->meth_Misc_Format($CurrVal,$Loc->PrmLst);
	} elseif ($Loc->ConvMode===2) { // Html special
		if (!is_string($CurrVal)) $CurrVal = @strval($CurrVal);
		if ($Loc->ConvHtml) $this->meth_Conv_Html($CurrVal,$Loc->ConvBr);
		if ($Loc->ConvEsc) $CurrVal = str_replace('\'','\'\'',$CurrVal);
		if ($Loc->ConvWS) {
			$check = '  ';
			$nbsp = '&nbsp;';
			do {
				$pos = strpos($CurrVal,$check);
				if ($pos!==false) $CurrVal = substr_replace($CurrVal,$nbsp,$pos,1);
			} while ($pos!==false);
		}
		if ($Loc->ConvJS) {
			$CurrVal = addslashes($CurrVal); // apply to ('), ("), (\) and (null)
			$CurrVal = str_replace("\n",'\n',$CurrVal);
			$CurrVal = str_replace("\r",'\r',$CurrVal);
			$CurrVal = str_replace("\t",'\t',$CurrVal);
		}
	}

	// if/then/else process, there may be several if/then
	if ($Loc->PrmIfNbr) {
		$z = false;
		$i = 1;
		while ($i!==false) {
			if ($Loc->PrmIfVar[$i]) $Loc->PrmIfVar[$i] = $this->meth_Merge_AutoVar($Loc->PrmIf[$i],true);
			$x = str_replace($this->_ChrVal,$CurrVal,$Loc->PrmIf[$i]);
			if ($this->f_Misc_CheckCondition($x)) {
				if (isset($Loc->PrmThen[$i])) {
					if ($Loc->PrmThenVar[$i]) $Loc->PrmThenVar[$i] = $this->meth_Merge_AutoVar($Loc->PrmThen[$i],true);
					$z = $Loc->PrmThen[$i];
				}
				$i = false;
			} else {
				$i++;
				if ($i>$Loc->PrmIfNbr) {
					if (isset($Loc->PrmLst['else'])) {
						if ($Loc->PrmElseVar) $Loc->PrmElseVar = $this->meth_Merge_AutoVar($Loc->PrmLst['else'],true);
						$z =$Loc->PrmLst['else'];
					}
					$i = false;
				}
			}
		}
		if ($z!==false) {
			if ($ConvProtect) {
				$CurrVal = str_replace($this->_ChrOpen,$this->_ChrProtect,$CurrVal); // TBS protection
				$ConvProtect = false;
			}
			$CurrVal = str_replace($this->_ChrVal,$CurrVal,$z);
		}
	}

	if (isset($Loc->PrmLst['file'])) {
		$x = $Loc->PrmLst['file'];
		if ($x===true) $x = $CurrVal;
		$this->meth_Merge_AutoVar($x,false);
		$x = trim(str_replace($this->_ChrVal,$CurrVal,$x));
		$CurrVal = '';
		if ($x!=='') {
			if ($this->f_Misc_GetFile($CurrVal,$x,$this->_LastFile)) {
				if (isset($Loc->PrmLst['getbody'])) $CurrVal = $this->f_Xml_GetPart($CurrVal,$Loc->PrmLst['getbody'],false,true);
			} else {
				if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'the file \''.$x.'\' given by parameter file is not found or not readable.',true);
			}
			$ConvProtect = false;
		}
	}

	if (isset($Loc->PrmLst['script'])) {// Include external PHP script
		$x = $Loc->PrmLst['script'];
		if ($x===true) $x = $CurrVal;
		$this->meth_Merge_AutoVar($x,false);
		$x = trim(str_replace($this->_ChrVal,$CurrVal,$x));
		if ($x!=='') {
			$this->_Subscript = $x;
			$this->CurrPrm =& $Loc->PrmLst;
			$sub = isset($Loc->PrmLst['subtpl']);
			if ($sub) $this->meth_Misc_ChangeMode(true,$Loc,$CurrVal);
			if ($this->meth_Misc_RunSubscript($CurrVal,$Loc->PrmLst)===false) {
				if (!isset($Loc->PrmLst['noerr'])) $this->meth_Misc_Alert($Loc,'the file \''.$x.'\' given by parameter script is not found or not readable.',true);
			}
			if ($sub) $this->meth_Misc_ChangeMode(false,$Loc,$CurrVal);
			if (isset($Loc->PrmLst['getbody'])) $CurrVal = $this->f_Xml_GetPart($CurrVal,$Loc->PrmLst['getbody'],false,true);
			unset($this->CurrPrm);
			$ConvProtect = false;
		}
	}

	// Case when it's an empty string
	if ($CurrVal==='') {

		if ($Loc->MagnetId===false) {
			if (isset($Loc->PrmLst['.'])) {
				$Loc->MagnetId = -1;
			} elseif (isset($Loc->PrmLst['ifempty'])) {
				$Loc->MagnetId = -2;
			} elseif (isset($Loc->PrmLst['magnet'])) {
				$Loc->MagnetId = 1;
				$Loc->PosBeg0 = $Loc->PosBeg;
				$Loc->PosEnd0 = $Loc->PosEnd;
				if (isset($Loc->PrmLst['mtype'])) {
					switch ($Loc->PrmLst['mtype']) {
					case 'm+m': $Loc->MagnetId = 2; break;
					case 'm*': $Loc->MagnetId = 3; break;
					case '*m': $Loc->MagnetId = 4; break;
					}
				}
			} else {
				$Loc->MagnetId = 0;
			}
			if (isset($Loc->MInv)) {
				$Loc->MInv = $Loc->MagnetId;
				$Loc->MagnetId = 5;
			}
		}

		switch ($Loc->MagnetId) {
		case 0: break;
		case -1: $CurrVal = '&nbsp;'; break; // Enables to avoid blanks in HTML tables
		case -2: $CurrVal = $Loc->PrmLst['ifempty']; break;
		case 5:  if ($Loc->MInvOk) break;
		case 1:
			$Loc->Enlarged = true;
			$this->f_Loc_EnlargeToTag($Txt,$Loc,$Loc->PrmLst['magnet'],false);
			break;
		case 2:
			$Loc->Enlarged = true;
			$CurrVal = $this->f_Loc_EnlargeToTag($Txt,$Loc,$Loc->PrmLst['magnet'],true);
			break;
		case 3:
			$Loc->Enlarged = true;
			$Loc2 = $this->f_Xml_FindTag($Txt,$Loc->PrmLst['magnet'],true,$Loc->PosBeg,false,1,false);
			if ($Loc2!==false) {
				$Loc->PosBeg = $Loc2->PosBeg;
				if ($Loc->PosEnd<$Loc2->PosEnd) $Loc->PosEnd = $Loc2->PosEnd;
			}
			break;
		case 4:
			$Loc->Enlarged = true;
			$Loc2 = $this->f_Xml_FindTag($Txt,$Loc->PrmLst['magnet'],true,$Loc->PosBeg,true,1,false);
			if ($Loc2!==false) $Loc->PosEnd = $Loc2->PosEnd;
			break;
		}
		$NewEnd = $Loc->PosBeg; // Useful when mtype='m+m'
	} else {

		if ($ConvProtect) $CurrVal = str_replace($this->_ChrOpen,$this->_ChrProtect,$CurrVal); // TBS protection
		$NewEnd = $Loc->PosBeg + strlen($CurrVal);

	}

	$Txt = substr_replace($Txt,$CurrVal,$Loc->PosBeg,$Loc->PosEnd-$Loc->PosBeg+1);
	return $NewEnd; // Return the new end position of the field

}

function meth_Locator_FindBlockNext(&$Txt,$BlockName,$PosBeg,$ChrSub,$Mode,&$P1,&$FieldBefore) {
// Return the first block locator just after the PosBeg position
// Mode = 1 : Merge_Auto => doesn't save $Loc->BlockSrc, save the bounds of TBS Def tags instead, return also fields
// Mode = 2 : FindBlockLst or GetBlockSource => save $Loc->BlockSrc without TBS Def tags
// Mode = 3 : GetBlockSource => save $Loc->BlockSrc with TBS Def tags

	$SearchDef = true;
	$FirstField = false;
	// Search for the first tag with parameter "block"
	while ($SearchDef and ($Loc = $this->meth_Locator_FindTbs($Txt,$BlockName,$PosBeg,$ChrSub))) {
		if (isset($Loc->PrmLst['block'])) {
			if ($P1) {
				if (isset($Loc->PrmLst['p1'])) return false;
			} else {
				if (isset($Loc->PrmLst['p1'])) $P1 = true;
			}
			$Block = $Loc->PrmLst['block'];
			$SearchDef = false;
		} elseif ($Mode===1) {
			return $Loc;
		} elseif ($FirstField===false) {
			$FirstField = $Loc;
		}
		$PosBeg = $Loc->PosEnd;
	}

	if ($SearchDef) {
		if ($FirstField!==false) $FieldBefore = true;
		return false;
	}

	$Loc->PosDefBeg = -1;

	if ($Block==='begin') { // Block definied using begin/end

		if (($FirstField!==false) and ($FirstField->PosEnd<$Loc->PosBeg)) $FieldBefore = true;

		$Opened = 1;
		while ($Loc2 = $this->meth_Locator_FindTbs($Txt,$BlockName,$PosBeg,$ChrSub)) {
			if (isset($Loc2->PrmLst['block'])) {
				switch ($Loc2->PrmLst['block']) {
				case 'end':   $Opened--; break;
				case 'begin': $Opened++; break;
				}
				if ($Opened==0) {
					if ($Mode===1) {
						$Loc->PosBeg2 = $Loc2->PosBeg;
						$Loc->PosEnd2 = $Loc2->PosEnd;
					} else {
						if ($Mode===2) {
							$Loc->BlockSrc = substr($Txt,$Loc->PosEnd+1,$Loc2->PosBeg-$Loc->PosEnd-1);
						} else {
							$Loc->BlockSrc = substr($Txt,$Loc->PosBeg,$Loc2->PosEnd-$Loc->PosBeg+1);
						}
						$Loc->PosEnd = $Loc2->PosEnd;
					}
					$Loc->BlockFound = true;
					return $Loc;
				}
			}
			$PosBeg = $Loc2->PosEnd;
		}

		return $this->meth_Misc_Alert($Loc,'a least one tag with parameter \'block=end\' is missing.',false,'in block\'s definition');

	}

	if ($Mode===1) {
		$Loc->PosBeg2 = false;
	} else {
		$beg = $Loc->PosBeg;
		$end = $Loc->PosEnd;
		if ($this->f_Loc_EnlargeToTag($Txt,$Loc,$Block,false)===false) return $this->meth_Misc_Alert($Loc,'at least one tag corresponding to '.$Loc->PrmLst['block'].' is not found. Check opening tags, closing tags and embedding levels.',false,'in block\'s definition');
		if ($Loc->SubOk or ($Mode===3)) {
			$Loc->BlockSrc = substr($Txt,$Loc->PosBeg,$Loc->PosEnd-$Loc->PosBeg+1);
			$Loc->PosDefBeg = $beg - $Loc->PosBeg;
			$Loc->PosDefEnd = $end - $Loc->PosBeg;
		} else {
			$Loc->BlockSrc = substr($Txt,$Loc->PosBeg,$beg-$Loc->PosBeg).substr($Txt,$end+1,$Loc->PosEnd-$end);
		}
	}

	$Loc->BlockFound = true;
	if (($FirstField!==false) and ($FirstField->PosEnd<$Loc->PosBeg)) $FieldBefore = true;
	return $Loc; // methods return by ref by default

}

function meth_Locator_FindBlockLst(&$Txt,$BlockName,$Pos,$SpePrm) {
// Return a locator object covering all block definitions, even if there is no block definition found.

	$LocR =& new clsTbsLocator;
	$LocR->P1 = false;
	$LocR->FieldOutside = false;
	$LocR->BDefLst = array();
	
	$LocR->NoData = false;
	$LocR->Special = false;
	$LocR->HeaderFound = false;
	$LocR->FooterFound = false;
	$LocR->SerialEmpty = false;
	$LocR->GrpBreak = false; // Only for plug-ins

	$LocR->WhenFound = false;
	$LocR->WhenDefault = false;

	$LocR->SectionNbr = 0;       // Normal sections
	$LocR->SectionLst = array(); // 1 to SectionNbr

	$BDef = false;
	$ParentLst = array();
	$Pid = 0;

	do {

		if ($BlockName==='') {
			$Loc = false;
		} else {
			$Loc = $this->meth_Locator_FindBlockNext($Txt,$BlockName,$Pos,'.',2,$LocR->P1,$LocR->FieldOutside);
		}

		if ($Loc===false) {

			if ($Pid>0) { // parentgrp mode => disconnect $Txt from the source
				$Parent =& $ParentLst[$Pid]; 
				$Src = $Txt;
				$Txt =& $Parent->Txt;
				if ($LocR->BlockFound) {
					// Redefine the Header block
					$Parent->Src = substr($Src,0,$LocR->PosBeg);
					// Add a Footer block
					$BDef =& $this->meth_Locator_SectionNewBDef($LocR,$BlockName,substr($Src,$LocR->PosEnd+1),$Parent->Prm);
					$this->meth_Locator_SectionAddGrp($LocR,$BlockName,$BDef,'F',$Parent->Fld,'parentgrp');
				}
				// Now go down to previous level
				$Pos = $Parent->Pos;
				$LocR->PosBeg = $Parent->Beg;
				$LocR->PosEnd = $Parent->End;
				$LocR->BlockFound = true;
				unset($Parent);
				unset($ParentLst[$Pid]);
				$Pid--;
				$Loc = true;
			}

		} else {

			$Pos = $Loc->PosEnd;

			// Define the block limits
			if ($LocR->BlockFound) {
				if ( $LocR->PosBeg > $Loc->PosBeg ) $LocR->PosBeg = $Loc->PosBeg;
				if ( $LocR->PosEnd < $Loc->PosEnd ) $LocR->PosEnd = $Loc->PosEnd;
			} else {
				$LocR->BlockFound = true;
				$LocR->PosBeg = $Loc->PosBeg;
				$LocR->PosEnd = $Loc->PosEnd;
			}

			// Merge block parameters
			if (count($Loc->PrmLst)>0) $LocR->PrmLst = array_merge($LocR->PrmLst,$Loc->PrmLst);

			// Force dynamic parameter to be cachable
			if ($Loc->PosDefBeg>=0) {
				$dynprm = array('when','headergrp','footergrp','parentgrp');
				foreach($dynprm as $dp) {
					$n = 0;
					if ((isset($Loc->PrmLst[$dp])) and (strpos($Loc->PrmLst[$dp],$this->_ChrOpen.$BlockName)!==false)) {
						$n++;
						if ($n==1) {
							$len = $Loc->PosDefEnd - $Loc->PosDefBeg + 1;
							$x = substr($Loc->BlockSrc,$Loc->PosDefBeg,$len);
						}
						$x = str_replace($Loc->PrmLst[$dp],'',$x);
					}
					if ($n>0) $Loc->BlockSrc = substr_replace($Loc->BlockSrc,$x,$Loc->PosDefBeg,$len);
				}
			}
			// Save the block and cache its tags
			$BDef =& $this->meth_Locator_SectionNewBDef($LocR,$BlockName,$Loc->BlockSrc,$Loc->PrmLst);

			// Add the text in the list of blocks
			if (isset($Loc->PrmLst['nodata'])) { // Nodata section
				$LocR->NoData =& $BDef;
			} elseif (($SpePrm!==false) and isset($Loc->PrmLst[$SpePrm])) { // Special section (used for navigation bar)
				$LocR->Special =& $BDef;
			} elseif (isset($Loc->PrmLst['when'])) {
				if ($LocR->WhenFound===false) {
					$LocR->WhenFound = true;
					$LocR->WhenSeveral = false;
					$LocR->WhenNbr = 0;
					$LocR->WhenLst = array();
				}
				$this->meth_Merge_AutoVar($Loc->PrmLst['when'],false);
				$BDef->WhenCond =& $this->meth_Locator_SectionNewBDef($LocR,$BlockName,$Loc->PrmLst['when'],array());
				$BDef->WhenBeforeNS = ($LocR->SectionNbr===0);
				$i = ++$LocR->WhenNbr;
				$LocR->WhenLst[$i] =& $BDef;
				if (isset($Loc->PrmLst['several'])) $LocR->WhenSeveral = true;
			} elseif (isset($Loc->PrmLst['default'])) {
				$LocR->WhenDefault =& $BDef;
				$LocR->WhenDefaultBeforeNS = ($LocR->SectionNbr===0);
			} elseif (isset($Loc->PrmLst['headergrp'])) {
				$this->meth_Locator_SectionAddGrp($LocR,$BlockName,$BDef,'H',$Loc->PrmLst['headergrp'],'headergrp');
			} elseif (isset($Loc->PrmLst['footergrp'])) {
				$this->meth_Locator_SectionAddGrp($LocR,$BlockName,$BDef,'F',$Loc->PrmLst['footergrp'],'footergrp');
			} elseif (isset($Loc->PrmLst['splittergrp'])) {
				$this->meth_Locator_SectionAddGrp($LocR,$BlockName,$BDef,'S',$Loc->PrmLst['splittergrp'],'splittergrp');
			} elseif (isset($Loc->PrmLst['parentgrp'])) {
				$this->meth_Locator_SectionAddGrp($LocR,$BlockName,$BDef,'H',$Loc->PrmLst['parentgrp'],'parentgrp');
				$BDef->Fld = $Loc->PrmLst['parentgrp'];
				$BDef->Txt =& $Txt;
				$BDef->Pos = $Pos;
				$BDef->Beg = $LocR->PosBeg;
				$BDef->End = $LocR->PosEnd;
				$Pid++;
				$ParentLst[$Pid] =& $BDef;
				$Txt =& $BDef->Src;
				$Pos = $Loc->PosDefBeg + 1;
				$LocR->BlockFound = false;
				$LocR->PosBeg = false;
				$LocR->PosEnd = false;
			} elseif (isset($Loc->PrmLst['serial'])) {
				// Section	with serial subsections
				$SrSrc =& $BDef->Src;
				// Search the empty item
				if ($LocR->SerialEmpty===false) {
					$SrName = $BlockName.'_0';
					$x = false;
					$SrLoc = $this->meth_Locator_FindBlockNext($SrSrc,$SrName,0,'.',2,$x,$x);
					if ($SrLoc!==false) {
						$LocR->SerialEmpty = $SrLoc->BlockSrc;
						$SrSrc = substr_replace($SrSrc,'',$SrLoc->PosBeg,$SrLoc->PosEnd-$SrLoc->PosBeg+1);
					}
				}
				$SrName = $BlockName.'_1';
				$x = false;
				$SrLoc = $this->meth_Locator_FindBlockNext($SrSrc,$SrName,0,'.',2,$x,$x);
				if ($SrLoc!==false) {
					$SrId = 1;
					do {
						// Save previous subsection
						$SrBDef =& $this->meth_Locator_SectionNewBDef($LocR,$SrName,$SrLoc->BlockSrc,$SrLoc->PrmLst);
						$SrBDef->SrBeg = $SrLoc->PosBeg;
						$SrBDef->SrLen = $SrLoc->PosEnd - $SrLoc->PosBeg + 1;
						$SrBDef->SrTxt = false;
						$BDef->SrBDefLst[$SrId] =& $SrBDef;
						// Put in order
						$BDef->SrBDefOrdered[$SrId] =& $SrBDef;
						$i = $SrId;
						while (($i>1) and ($SrBDef->SrBeg<$BDef->SrBDefOrdered[$SrId-1]->SrBeg)) {
							$BDef->SrBDefOrdered[$i] =& $BDef->SrBDefOrdered[$i-1];
							$BDef->SrBDefOrdered[$i-1] =& $SrBDef;
							$i--;
						}
						// Search next subsection
						$SrId++;
						$SrName = $BlockName.'_'.$SrId;
						$x = false;
						$SrLoc = $this->meth_Locator_FindBlockNext($SrSrc,$SrName,0,'.',2,$x,$x);
					} while ($SrLoc!==false);
					$BDef->SrBDefNbr = $SrId-1;
					$BDef->IsSerial = true;
					$i = ++$LocR->SectionNbr;
					$LocR->SectionLst[$i] =& $BDef;
				}
			} else {
				// Normal section
				$i = ++$LocR->SectionNbr;
				$LocR->SectionLst[$i] =& $BDef;
			}

		}

	} while ($Loc!==false);

	if ($LocR->WhenFound and ($LocR->SectionNbr===0)) {
		// Add a blank section if When is used without a normal section
		$BDef =& $this->meth_Locator_SectionNewBDef($LocR,$BlockName,'',array());
		$LocR->SectionNbr = 1;
		$LocR->SectionLst[1] =& $BDef;
	}

	return $LocR; // methods return by ref by default

}

function meth_Merge_Block(&$Txt,&$BlockLst,&$SrcId,&$Query,$SpePrm,$SpeRecNum) {

	$BlockSave = $this->_CurrBlock;
	$this->_CurrBlock = $BlockLst;

	// Get source type and info
	$Src =& new clsTbsDataSource;
	if (!$Src->DataPrepare($SrcId,$this)) {
		$this->_CurrBlock = $BlockSave;
		return 0;
	}

	$BlockLst = explode(',',$BlockLst);
	$BlockNbr = count($BlockLst);
	$BlockId = 0;
	$WasP1 = false;
	$NbrRecTot = 0;
	$QueryZ =& $Query;
	$ReturnData = false;

	while ($BlockId<$BlockNbr) {

		$RecSpe = 0;  // Row with a special block's definition (used for the navigation bar)
		$QueryOk = true;
		$this->_CurrBlock = trim($BlockLst[$BlockId]);
		if ($this->_CurrBlock==='*') {
			$ReturnData = true;
			if ($Src->RecSaved===false) $Src->RecSaving = true;
			$this->_CurrBlock = '';
		}

		// Search the block
		$LocR = $this->meth_Locator_FindBlockLst($Txt,$this->_CurrBlock,0,$SpePrm);

		if ($WasP1) $this->meth_Merge_FieldOutside($Txt,$Src,$LocR);

		if ($LocR->BlockFound) {
			if ($LocR->Special!==false) $RecSpe = $SpeRecNum;
			// OnData
			if ($Src->OnDataPrm = isset($LocR->PrmLst['ondata'])) {
				$Src->OnDataPrmRef = $LocR->PrmLst['ondata'];
				if (isset($Src->OnDataPrmDone[$Src->OnDataPrmRef])) {
					$Src->OnDataPrm = false;
				} else {
					$ErrMsg = false;
					if ($this->meth_Misc_UserFctCheck($Src->OnDataPrmRef,'f',$ErrMsg,$ErrMsg)) {
						$Src->OnDataOk = true;
					} else {
						$LocR->FullName = $this->_CurrBlock;
						$Src->OnDataPrm = $this->meth_Misc_Alert($LocR,'(parameter ondata) '.$ErrMsg,false,'block');
					}
				}
			}
			// Dynamic query
			if ($LocR->…