/lib/tbs.php

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<?php

/*

********************************************************

TinyButStrong - Template Engine for Pro and Beginners

------------------------

Version  : 3.1.1 for PHP >= 5.0

Date     : 2006-06-25

Web site : www.tinybutstrong.com

Author   : skrol29@freesurf.fr

********************************************************

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<'5') echo '<br><b>TinyButStrong Error</b> (PHP Version Check) : Your PHP version is '.PHP_VERSION.' while this TinyButStrong needs PHP version 5 or higher. There is also TinyButStrong for PHP >= 4.0.6.';

if (PHP_VERSION<'5.1.0') {

	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 {

	public $PosBeg = false;

	public $PosEnd = false;

	public $Enlarged = false;

	public $FullName = false;

	public $SubName = '';

	public $SubOk = false;

	public $SubLst = array();

	public $SubNbr = 0;

	public $PrmLst = array();

	public $PrmIfNbr = false;

	public $MagnetId = false;

	public $BlockFound = false;

	public $FirstMerge = true;

	public $ConvProtect = true;

	public $ConvHtml = true;

	public $ConvMode = 1; // Normal

	public $ConvBr = true;

}



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



class clsTbsDataSource {



public $Type = false;

public $SubType = 0;

public $SrcId = false;

public $Query = '';

public $RecSet = false;

public $RecKey = '';

public $RecNum = 0;

public $RecNumInit = 0;

public $RecSaving = false;

public $RecSaved = false;

public $RecBuffer = false;

public $CurrRec = false;

public $TBS = false;

public $OnDataOk = false;

public $OnDataPrm = false;

public $OnDataPrmDone = array();

public $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;



	if (is_array($SrcId)) {

		$this->Type = 0;

	} elseif (is_resource($SrcId)) {



		$Key = get_resource_type($SrcId);

		switch ($Key) {

		case 'mysql link'            : $this->Type = 1; break;

		case 'mysql link persistent' : $this->Type = 1; break;

		case 'mysql result'          : $this->Type = 1; $this->SubType = 1; break;

		case 'pgsql link'            : $this->Type = 8; break;

		case 'pgsql link persistent' : $this->Type = 8; break;

		case 'pgsql result'          : $this->Type = 8; $this->SubType = 1; break;

		case 'sqlite database'       : $this->Type = 9; break;

		case 'sqlite database (persistent)'	: $this->Type = 9; break;

		case 'sqlite result'         : $this->Type = 9; $this->SubType = 1; break;

		default :

			$SubKey = 'resource type';

			$this->Type = 7;

			$x = strtolower($Key);

			$x = str_replace('-','_',$x);

			$Function = '';

			$i = 0;

			$iMax = strlen($x);

			while ($i<$iMax) {

				if (($x[$i]==='_') or (($x[$i]>='a') and ($x[$i]<='z')) or (($x[$i]>='0') and ($x[$i]<='9'))) {

					$Function .= $x[$i];

					$i++;

				} else {

					$i = $iMax;

				}

			}

		}



	} 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 = 1; $this->SubType = 2; break;

		case 'text'  : $this->Type = 4; break;

		case 'num'   : $this->Type = 6; break;

		default :

			if ($SrcId[0]==='~') {

				$FctInfo = $SrcId;

				$ErrMsg = false;

				if ($TBS->meth_Misc_UserFctCheck($FctInfo,$ErrMsg,true)) {

					$this->FctOpen  =& $FctInfo[0];

					$this->FctFetch =& $FctInfo[1];

					$this->FctClose =& $FctInfo[2];

					$this->FctPrm = array(false,0);

					$this->SrcId =& $FctInfo[0][0];

					$this->Type = 11;

				} else {

					$this->Type = $this->DataAlert($ErrMsg);

				}

			} else {

				$Key = $SrcId;

				$SubKey = 'keyword';

				$this->Type = 7;

				$Function = $SrcId;

			}

		}



	} elseif (is_object($SrcId)) {

		if (method_exists($SrcId,'tbsdb_open')) {

			if (!method_exists($SrcId,'tbsdb_fetch')) {

				$this->Type = $this->DataAlert('the expected method \'tbsdb_fetch\' is not found for the class '.get_class($SrcId).'.');

			} elseif (!method_exists($SrcId,'tbsdb_close')) {

				$this->Type = $this->DataAlert('the expected method \'tbsdb_close\' is not found for the class '.get_class($SrcId).'.');

			} else {

				$this->Type = 10;

			}

		} else {

			$Key = get_class($SrcId);

			$SubKey = 'object type';

			$this->Type = 7;

			$Function = $Key;

		}

	} 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 ($this->Type===7) {

		$this->FctOpen  = 'tbsdb_'.$Function.'_open';

		$Ok = function_exists($this->FctOpen);

		if (!$Ok) { // Some extended call can have a suffix in the class name, we check without the suffix

			$i = strpos($Function,'_');

			if ($i!==false) {

				$x = substr($Function,0,$i);

				$z  = 'tbsdb_'.$x.'_open';

				$Ok = function_exists($z);

				if ($Ok) {

					$Function = $x;

					$this->FctOpen = $z;

				}

			}

		}

		if ($Ok) {

			$this->FctFetch = 'tbsdb_'.$Function.'_fetch';

			$this->FctClose = 'tbsdb_'.$Function.'_close';

			if (function_exists($this->FctFetch)) {

				if (!function_exists($this->FctClose)) $this->Type = $this->DataAlert('the expected custom function \''.$this->FctClose.'\' is not found.');

			} else {

				$this->Type = $this->DataAlert('the expected custom function \''.$this->FctFetch.'\' is not found.');

			}

		} else {

			$this->Type = $this->DataAlert('the data source Id \''.$Key.'\' is an unsupported '.$SubKey.' because custom function \''.$this->FctOpen.'\' is not found.');

		}

	}



	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) {

			$this->RecSet =& $this->SrcId;

		} elseif ($this->SubType===1) {

			if (is_array($Query)) {

				$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])) {

					$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)) {

					$ArgLst = tbs_Misc_CheckArgLst($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 1: // 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 4: // Text

		if (is_string($Query)) {

			$this->RecSet =& $Query;

		} else {

			$this->RecSet = ''.$Query;

		}

		break;

	case 6: // 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 7: // Custom function

		$FctOpen = $this->FctOpen;

		$this->RecSet = $FctOpen($this->SrcId,$Query);

		break;

	case 8: // 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 9: // 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;

	case 10: // Custom method

		$this->RecSet = $this->SrcId->tbsdb_open($this->SrcId,$Query);

		break;

	case 11: // ObjectRef

		$this->RecSet = call_user_func_array($this->FctOpen,array(&$this->SrcId,&$Query));

		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 1: // MySQL

		$this->CurrRec = mysql_fetch_assoc($this->RecSet);

		break;

	case 4: // Text

		if ($this->RecNum===0) {

			if ($this->RecSet==='') {

				$this->CurrRec = false;

			} else {

				$this->CurrRec =& $this->RecSet;

			}

		} else {

			$this->CurrRec = false;

		}

		break;

	case 6: // 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 7: // Custom function

		$FctFetch = $this->FctFetch;

		$this->CurrRec = $FctFetch($this->RecSet,$this->RecNum+1);

		break;

	case 8: // PostgreSQL

		$this->CurrRec = pg_fetch_assoc($this->RecSet);

		break;

	case 9: // SQLite

		$this->CurrRec = sqlite_fetch_array($this->RecSet,SQLITE_ASSOC);

		break;

	case 10: // Custom method

		$this->CurrRec = $this->SrcId->tbsdb_fetch($this->RecSet,$this->RecNum+1);

		break;

	case 11: // ObjectRef

		$this->FctPrm[0] =& $this->RecSet; $this->FctPrm[1] = $this->RecNum+1;

		$this->CurrRec = call_user_func_array($this->FctFetch,$this->FctPrm);

		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 1: mysql_free_result($this->RecSet); break;

	case 7: $FctClose=$this->FctClose; $FctClose($this->RecSet); break;

	case 8: pg_free_result($this->RecSet); break;

	case 10: $this->SrcId->tbsdb_close($this->RecSet); break;

	case 11: call_user_func_array($this->FctClose,array(&$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

public $Source = '';

public $Render = 3;

public $TplVars = array();

public $ObjectRef = false;

public $NoErr = false;

// Undocumented (can change at any version)

public $Version = '3.1.1';

public $HtmlCharSet = '';

public $TurboBlock = true;

public $VarPrefix = '';

public $Protect = true;

// Private

public $_LastFile = '';

public $_HtmlCharFct = false;

public $_Mode = 0;

public $_CurrBlock = '';

public $_ChrOpen = '[';

public $_ChrClose = ']';

public $_ChrVal = '[val]';

public $_ChrProtect = '&#91;';

public $_PlugIns = array();

public $_PlugIns_Ok = false;

public $_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;

	// Liaison avec variables globales

	global $_TBS_FrmMultiLst, $_TBS_FrmSimpleLst, $_TBS_UserFctLst, $_TBS_AutoInstallPlugIns;

	if (!isset($_TBS_ObjectRefLink)) {

		$_TBS_FrmMultiLst = array();

		$_TBS_FrmSimpleLst = array();

		$_TBS_UserFctLst = array();

	}

	$this->_FrmMultiLst =& $_TBS_FrmMultiLst;

	$this->_FrmSimpleLst =& $_TBS_FrmSimpleLst;

	$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='') {

	$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) {

		$x = '';

		if (!tbs_Misc_GetFile($x,$File)) return $this->meth_Misc_Alert('with LoadTemplate() method','file \''.$File.'\' is not found or not readable.');

		// CharSet analysis

		if ($HtmlCharSet==='+') {

			$this->Source .= $x;

		} else {

			$this->Source = $x;

			if ($this->_Mode==0) {

			$this->_LastFile = $File;

			$this->_HtmlCharFct = false;

			$this->TplVars = array();

			if (is_string($HtmlCharSet)) {

				if (($HtmlCharSet!=='') and ($HtmlCharSet[0]==='=')) {

					$ErrMsg = false;

					$HtmlCharSet = substr($HtmlCharSet,1);

					if ($this->meth_Misc_UserFctCheck($HtmlCharSet,$ErrMsg,false)) {

						$this->_HtmlCharFct = true;

					} else {

						$this->meth_Misc_Alert('with LoadTemplate() method',$ErrMsg);

						$HtmlCharSet = '';

					}

				}

			} elseif ($HtmlCharSet===false) {

				$this->Protect = false;

			} else {

				$this->meth_Misc_Alert('with LoadTemplate() method','the CharSet argument is not a string.');

				$HtmlCharSet = '';

			}

			$this->HtmlCharSet = $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,false,false);

		}

		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);

		if ($Name==='') continue;

		if ($this->meth_Merge_AutoAny($Name)) 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,$ErrMsg,false)) 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_AutoAny('onshow');

		$this->meth_Merge_AutoAny('var');

	}

	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) {

				tbs_Locator_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==='')) {

			$Loc->Enlarged = tbs_Locator_EnlargeToStr($Txt,$Loc,'<!--' ,'-->');

		} else {

			$Loc->Enlarged = tbs_Locator_EnlargeToTag($Txt,$Loc,$comm,false);

		}

	}



	return $Loc;



}



// Search and cache TBS locators founded in $Txt.

function meth_Locator_SectionCache(&$LocR,$Bid) {



	$LocR->BlockChk[$Bid] = false;



	$LocLst =& $LocR->BlockLoc[$Bid];

	$Txt =& $LocR->BlockSrc[$Bid];

	$BlockName =& $LocR->BlockName[$Bid];



	$Pos = 0;

	$PrevEnd = -1;

	$Nbr = 0;

	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

			$Nbr++;

		} else {

			// The previous tag is embeding => no increment, then previous is over writed

			$LocR->BlockChk[$Bid] = true;

		}

		$PrevEnd = $Loc->PosEnd;

		if ($Loc->Enlarged) { // Parameter 'comm'

			$Pos = $Loc->PosBeg0+1;

			$Loc->Enlarged = false;

		} else {

			$Pos = $Loc->PosBeg+1;

		}

		$LocLst[$Nbr] = $Loc;

	}



	$LocLst[0] = $Nbr;



}



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)) {

				$ArgLst = tbs_Misc_CheckArgLst($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,$ErrMsg,false)) {

				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($x,'+esc+')!==false)  {tbs_Misc_ConvSpe($Loc); $Loc->ConvHtml = false; $Loc->ConvEsc = true; }

				if (strpos($x,'+wsp+')!==false)  {tbs_Misc_ConvSpe($Loc); $Loc->ConvWS = true; }

				if (strpos($x,'+js+')!==false)   {tbs_Misc_ConvSpe($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'])) {

			$ope = $Loc->PrmLst['ope'];

			if ($ope==='list') {

				$Loc->OpeId = 1;

				$Loc->OpeSep = (isset($Loc->PrmLst['valsep'])) ? $Loc->PrmLst['valsep'] : ',';

			} else {

				$x = substr($ope,0,4);

				if ($x==='max:') {

					$Loc->OpeId = (isset($Loc->PrmLst['maxhtml'])) ? 2 : 3;

					$Loc->OpeN = intval(trim(substr($ope,4)));

					$Loc->OpeEnd = (isset($Loc->PrmLst['maxend'])) ? $Loc->PrmLst['maxend'] : '...';

					if ($Loc->OpeN<=0) $Loc->Ope = false;

				} elseif ($x==='mod:') {

					$Loc->OpeId = 4; $Loc->OpeN = intval(trim(substr($ope,4)));

				} elseif ($x==='add:') {

					$Loc->OpeId = 5; $Loc->OpeN = intval(trim(substr($ope,4)));

				} elseif (isset($this->_piOnOperation)) {

					$Loc->OpeId = 0;

					$Loc->OpeArg = array(&$Loc->FullName,&$CurrVal,&$Loc->PrmLst,&$Txt,$Loc->PosBeg,$Loc->PosEnd,&$Loc);

				} else {

					$Loc->Ope = false;

					if (!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) {

		switch ($Loc->OpeId) {

		case 0: 

			$Loc->OpeArg[1] =& $CurrVal; $Loc->OpeArg[3] =& $Txt;

			if (!$this->meth_PlugIn_RunAll($this->_piOnOperation,$Loc->OpeArg)) return $Loc->PosBeg;

			break;

		case 1: if (is_array($CurrVal)) $CurrVal = implode($Loc->OpeSep,$CurrVal); break;

		case 2: if (strlen(''.$CurrVal)>$Loc->OpeN) tbs_Html_Max($CurrVal,$Loc->OpeN,$Loc->OpeEnd); break;

		case 3: if (strlen(''.$CurrVal)>$Loc->OpeN) $CurrVal = substr(''.$CurrVal,0,$Loc->OpeN).$Loc->OpeEnd; break;

		case 4: $CurrVal = intval($CurrVal) % $Loc->OpeN; break;

		case 5: $CurrVal = intval($CurrVal) + $Loc->OpeN; 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);

			if ($Loc->ConvBr) $CurrVal = nl2br($CurrVal);

		}

	} 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);

			if ($Loc->ConvBr) $CurrVal = nl2br($CurrVal);

		}

		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 (tbs_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 (tbs_Misc_GetFile($CurrVal,$x)) {

				if (isset($Loc->PrmLst['getbody'])) $CurrVal = tbs_Html_GetPart($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'])) $CurrVal = tbs_Html_GetPart($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;

			}

		}



		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 1:

			$Loc->Enlarged = true;

			tbs_Locator_EnlargeToTag($Txt,$Loc,$Loc->PrmLst['magnet'],false);

			break;

		case 2:

			$Loc->Enlarged = true;

			$CurrVal = tbs_Locator_EnlargeToTag($Txt,$Loc,$Loc->PrmLst['magnet'],true);

			break;

		case 3:

			$Loc->Enlarged = true;

			$Loc2 = tbs_Html_FindTag($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;

			$Loc2 = tbs_Html_FindTag($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;

	}



	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->PosDef = 0;

					}

					$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 {



		$Loc->PosDef = $Loc->PosBeg;

		if (!$Loc->SubOk) {

			$PosBeg1 = $Loc->PosBeg;

			$PosEnd1 = $Loc->PosEnd;

		}

		if (tbs_Locator_EnlargeToTag($Txt,$Loc,$Block,false)===false) return $this->meth_Misc_Alert($Loc,'tag <'.$Loc->PrmLst['block'].'> or </'.$Loc->PrmLst['block'].'> is not found.',false,'in block\'s definition');

		$Loc->PosDef = $Loc->PosDef - $Loc->PosBeg;

		if ($Loc->SubOk or ($Mode===3)) {

			$Loc->BlockSrc = substr($Txt,$Loc->PosBeg,$Loc->PosEnd-$Loc->PosBeg+1);

			$Loc->PosDef++;

		} else {

			$Loc->BlockSrc = substr($Txt,$Loc->PosBeg,$PosBeg1-$Loc->PosBeg).substr($Txt,$PosEnd1+1,$Loc->PosEnd-$PosEnd1);

		}

	}



	$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->BlockNbr = 0; // Any section (normal, nodata, when, serial, condition, grp, ...)

	$LocR->BlockSrc = array();  // 1 to BlockNbr

	$LocR->BlockLoc = array();  // idem

	$LocR->BlockChk = array();  // idem

	$LocR->BlockName = array(); // idem

	$LocR->BlockPrm = array();  // idem. Provided only for plug-ins.

	$LocR->NoDataBid = false;

	$LocR->SpecialBid = false;

	$LocR->HeaderFound = false;

	$LocR->FooterFound = false;

	$LocR->WhenFound = false;

	$LocR->WhenDefaultBid = false;

	$LocR->SectionNbr = 0; // Normal section

	$LocR->SectionBid = array();       // 1 to SectionNbr

	$LocR->SectionIsSerial = array();  // idem

	$LocR->SectionSerialBid = array(); // idem

	$LocR->SectionSerialOrd = array(); // idem

	$LocR->SerialEmpty = false;



	$Bid =& $LocR->BlockNbr;

	$Sid =& $LocR->SectionNbr;

	$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

				$Src = $Txt;

				$Txt =& $Parent[$Pid]['txt'];

				if ($LocR->BlockFound) {

					// Redefine the Header block

					$i = $Parent[$Pid]['bid'];

					$LocR->BlockSrc[$i] = substr($Src,0,$LocR->PosBeg);

					// Add a Footer block

					tbs_Locator_SectionAddBlk($LocR,$BlockName,substr($Src,$LocR->PosEnd+1),$LocR->BlockPrm[$i]);

					tbs_Locator_SectionAddGrp($LocR,$Bid,'F',$Parent[$Pid]['fld']);

				}

				// Now gowing down to previous level

				$Pos = $Parent[$Pid]['pos'];

				$LocR->PosBeg = $Parent[$Pid]['beg'];

				$LocR->PosEnd = $Parent[$Pid]['end'];

				$LocR->BlockFound = true;

				unset($Parent[$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);



			// Save the block and cache its tags (incrments $LocR->BlockNbr)

			tbs_Locator_SectionAddBlk($LocR,$BlockName,$Loc->BlockSrc,$Loc->PrmLst);



			// Add the text in the list of blocks

			if (isset($Loc->PrmLst['nodata'])) { // Nodata section

				$LocR->NoDataBid = $Bid;

			} elseif (($SpePrm!==false) and isset($Loc->PrmLst[$SpePrm])) { // Special section (used for navigation bar)

				$LocR->SpecialBid = $Bid;

			} elseif (isset($Loc->PrmLst['when'])) {

				if ($LocR->WhenFound===false) {

					$LocR->WhenFound = true;

					$LocR->WhenSeveral = false;

					$LocR->WhenNbr = 0;

					$LocR->WhenSectionBid[] = array(); // Bid of the section to display

					$LocR->WhenCondBid[] = array();    // Bid of the condition to check

					$LocR->WhenBeforeNS[] = array();   // True if the When section must be displayed before a 

				}

				$LocR->WhenNbr++;

				if (isset($Loc->PrmLst['several'])) $LocR->WhenSeveral = true;

				$LocR->WhenSectionBid[$LocR->WhenNbr] = $Bid;

				$this->meth_Merge_AutoVar($Loc->PrmLst['when'],false);

				tbs_Locator_SectionAddBlk($LocR,$BlockName,$Loc->PrmLst['when'],array());

				$LocR->WhenCondBid[$LocR->WhenNbr] = $Bid;

				$LocR->WhenBeforeNS[$LocR->WhenNbr] = ($Sid===0);

			} elseif (isset($Loc->PrmLst['default'])) {

				$LocR->WhenDefaultBid = $Bid;

				$LocR->WhenDefaultBeforeNS = ($Sid===0);

			} elseif (isset($Loc->PrmLst['headergrp'])) {

				tbs_Locator_SectionAddGrp($LocR,$Bid,'H',$Loc->PrmLst['headergrp']);

			} elseif (isset($Loc->PrmLst['footergrp'])) {

				tbs_Locator_SectionAddGrp($LocR,$Bid,'F',$Loc->PrmLst['footergrp']);

			} elseif (isset($Loc->PrmLst['splittergrp'])) {

				tbs_Locator_SectionAddGrp($LocR,$Bid,'S',$Loc->PrmLst['splittergrp']);

			} elseif (isset($Loc->PrmLst['parentgrp'])) {

				tbs_Locator_SectionAddGrp($LocR,$Bid,'H',$Loc->PrmLst['parentgrp']);

				$Pid++;

				$Parent[$Pid]['bid'] = $Bid;

				$Parent[$Pid]['fld'] = $Loc->PrmLst['parentgrp'];

				$Parent[$Pid]['txt'] =& $Txt;

				$Parent[$Pid]['pos'] = $Pos;

				$Parent[$Pid]['beg'] = $LocR->PosBeg;

				$Parent[$Pid]['end'] = $LocR->PosEnd;

				$Txt =& $LocR->BlockSrc[$Bid];

				$Pos = $Loc->PosDef + 1;

				$LocR->BlockFound = false;

				$LocR->PosBeg = false;

				$LocR->PosEnd = false;

			} elseif (isset($Loc->PrmLst['serial'])) {

				// Section	with Serial Sub-Sections

				$Src =& $LocR->BlockSrc[$Bid];

				$Loc0 = false;

				if ($LocR->SerialEmpty===false) {

					$NameSr = $BlockName.'_0';

					$x = false;

					$LocSr = $this->meth_Locator_FindBlockNext($Src,$NameSr,0,'.',2,$x,$x);

					if ($LocSr!==false) {

						$LocR->SerialEmpty = $LocSr->BlockSrc;

						$Src = substr_replace($Src,'',$LocSr->PosBeg,$LocSr->PosEnd-$LocSr->PosBeg+1);

					}

				}

				$NameSr = $BlockName.'_1';

				$x = false;

				$LocSr = $this->meth_Locator_FindBlockNext($Src,$NameSr,0,'.',2,$x,$x);

				if ($LocSr!==false) {

					$Sid++;

					$LocR->SectionBid[$Sid] = $Bid;

					$LocR->SectionIsSerial[$Sid] = true;

					$LocR->SectionSerialBid[$Sid] = array();

					$LocR->SectionSerialOrd[$Sid] = array();

					$SrBid =& $LocR->SectionSerialBid[$Sid];

					$SrOrd =& $LocR->SectionSerialOrd[$Sid];

					$BidParent = $Bid;

					$SrNum = 1;

					do {

						// Save previous sub-section

						$LocR->BlockLoc[$BidParent][$SrNum] = $LocSr;

						tbs_Locator_SectionAddBlk($LocR,$NameSr,$LocSr->BlockSrc,$LocSr->PrmLst);

						$SrBid[$SrNum] = $Bid;

						$SrOrd[$SrNum] = $SrNum;

						$i = $SrNum;

						while (($i>1) and ($LocSr->PosBeg<$LocR->BlockLoc[$BidParent][$SrOrd[$i-1]]->PosBeg)) {

							$SrOrd[$i] = $SrOrd[$i-1];

							$SrOrd[$i-1] = $SrNum;

							$i--;

						}

						// Search next section

						$SrNum++;

						$NameSr = $BlockName.'_'.$SrNum;

						$x = false;

						$LocSr = $this->meth_Locator_FindBlockNext($Src,$NameSr,0,'.',2,$x,$x);

					} while ($LocSr!==false);

					$SrBid[0] = $SrNum-1;

				}

			} else {

				// Normal section

				$Sid++;

				$LocR->SectionBid[$Sid] = $Bid;

				$LocR->SectionIsSerial[$Sid] = false;

			}



		}



	} while ($Loc!==false);



	if ($LocR->WhenFound and ($Sid===0)) {

		// Add a blank section if When is used without a normal section

		tbs_Locator_SectionAddBlk($LocR,$BlockName,'',array());

		$Sid++;

		$LocR->SectionBid[$Sid] = $Bid;

		$LocR->SectionIsSerial[$Sid] = false;

	}



	// Calculate Cache

	if ($this->TurboBlock) {

		for ($i=1;$i<=$LocR->BlockNbr;$i++) {

			$this->meth_Locator_SectionCache($LocR,$i);

		}

	}



	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)…