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khanat-opennel-code/code/nelns/admin/public_html/display_view.php

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initial version
2010-05-06 00:08:41 +00:00
<?php
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//include('fake_request_interface.php');
include('request_interface.php');
/* displayViewTable
* displays view $tid for user $uid in group $gid
* $selection is an array of preselected lines in the form shard.server.service.variable
* each address member might be incomplete (like '*' or 'GPM*')
*/
function displayViewTable($uid, $gid, $tid, $selection)
{
global $keep_shard, $keep_server, $keep_service, $display_view;
// 1. create views tree
buildVariableEnv($uid, $gid, $tid, $vardisp, $bounds, $privilege, $tree, $condensed, $autoDisplay);
if ($autoDisplay || $display_view)
{
// 2. select branches
if (count($selection) > 0)
{
foreach ($selection as $sel)
{
if ($sel != "")
{
$selarray = expandQuery($sel);
foreach ($selarray as $sel)
{
$address = explode(".", $sel);
//echo "select address ".$sel."<br>\n";
addToSelectNode($tree, $address, 0);
}
}
}
}
// 3. remove unselected branches
clearupNode($tree);
// 4. build and factorize query
$query = factorizeQuery(buildQuery($tree));
if ($numsteps == 5)
{
echo "Unsupported entity request now<br>\n";
return;
}
$bef = microtime();
$qstate = nel_query($query, $result);
$aft = microtime();
list($usec, $sec) = explode(" ", $bef);
$bef = ((float)$sec + (float)$usec);
list($usec, $sec) = explode(" ", $aft);
$aft = ((float)$sec + (float)$usec);
$tm = (int)(($aft-$bef)*1000.0);
if (!$qstate)
echo "<b>$result</b>\n";
}
displayResult($result, $vardisp, $bounds, $privilege, $condensed, $autoDisplay);
return "Executed query '$query'<br>$tm milliseconds computation time<br>\n";
}
function buildVariableEnv($uid, $gid, $tid, &$vardisp, &$bounds, &$privilege, &$tree, &$condensed, &$autoDisplay)
{
$result = sqlquery("SELECT view_row.name AS user_name, variable.name AS var_name, path, warning_bound, error_bound, alarm_order, view_row.filter as varfilter, view_table.filter as viewfilter, display, auto_display, view_row.vid AS vid ".
"FROM variable, view_row, view_table ".
"WHERE variable.command='variable' AND (view_table.uid='$uid' OR view_table.uid='$gid') AND view_table.tid='$tid' AND view_row.tid='$tid' AND variable.vid=view_row.vid ORDER BY view_row.ordering");
while ($result && ($arr=sqlfetch($result)))
{
$vid = $arr["vid"];
if (!hasAccessToVariable($vid))
continue;
$path = $arr["path"];
if ($arr["varfilter"] != "" && ($path = filterPath($path, $arr["varfilter"])) == "")
continue;
if ($arr["viewfilter"] != "" && ($path = filterPath($path, $arr["viewfilter"])) == "")
continue;
$condensed = ($arr["display"] == "condensed");
$autoDisplay = ($arr["auto_display"] == "auto");
$varName = getVarName($path);
$vardisp[$varName] = $arr["user_name"];
$bounds[$varName] = array($arr["warning_bound"], $arr["error_bound"], $arr["alarm_order"]);
$privilege[$varName] = getVariableRight($vid);
$address = explode(".", $path);
//echo "add to tree address $path<br>\n";
if (!isset($numsteps))
$numsteps = count($address);
if ($numsteps != count($address))
{
echo "Invalid table <b>$tid</b>, contains different variable path length (typically, mixed shard/server/service variables with entity variables)\n";
return;
}
addToNode($tree, $address, 0);
}
}
function humanReadableToRaw($str)
{
$l=strlen($str);
if ($l==0)
return 0;
$regexp = '([\+-]?[0-9]+|[\+-]?[0-9]+\.[0-9]*|[\+-]?[0-9]+\.[0-9]*e[0-9]+) *(b|kb|mb|gb|h|mn|s|d|ms)?';
if (!eregi($regexp, strtolower($str), $regs))
return 0;
$num = (float)$regs[1];
$unit = $regs[2];
switch($unit)
{
case "kb": return $num*1024;
case "mb": return $num*1024*1024;
case "gb": return $num*1024*1024*1024;
case "mn": return $num*60;
case "h": return $num*3600;
case "ms": return $num/1000.0;
case "d": return $num*86400;
default: return $num;
}
return $num;
}
function vcmp($a, $b)
{
return ($a["_path_"] == $b["_path_"] ? 0 : $a["_path_"] < $b["_path_"] ? -1 : 1);
}
function displayResult($result, $vardisp, $bounds, $privilege, $condensed=false, $autoDisplay=true)
{
global $admlogin, $filter_shard, $filter_server, $filter_service, $filter_entity, $current_tid, $listPath, $current_tname, $usersData;
global $uid, $REMOTE_ADDR, $shardLockState, $enablelock, $IsNevrax;
addToLog($result);
$colorKeyWords = array("Offline" => "#FF4422", "Failed" => "#FF4422");
//echo "result=$result<br>\n";
echo "<table border=1>\n";
echo "<tr><th rowspan=2>&nbsp;Filters&nbsp;</th><th>shard</th><th>server</th><th>service</th><th>entity</th><td rowspan=2>&nbsp;<input type=submit name='display_view' value='Display\nView'>&nbsp;</td><td rowspan=2>&nbsp;<input type=submit name='reset_filters' value='Reset\nFilters'>&nbsp;</td></tr>\n";
echo "<tr>\n";
echo "<td><input type=text name=filter_shard value='$filter_shard' size=12 maxlength=256></td>\n";
echo "<td><input type=text name=filter_server value='$filter_server' size=12 maxlength=256></td>\n";
echo "<td><input type=text name=filter_service value='$filter_service' size=12 maxlength=256></td>\n";
echo "<td><input type=text name=filter_entity value='$filter_entity' size=28 maxlength=1024></td>\n";
echo "</tr>\n";
echo "</table><br>\n";
unset($maxvarwidth);
if (strlen($result)>0)
{
$arr = explode(" ", $result);
$result = &$arr;
$numRes = count($result);
$numRows = current($result);
if ($numRows < 1)
{
echo "<b>NeL query returned no answer</b><br>\n";
return;
}
$numLines = ($numRes-$numRows-2)/$numRows;
//echo "numRes=$numRes, numLines=$numLines, numRows=$numRows<br>\n";
next($result);
for ($i=0; $i<$numRows; ++$i)
{
$vars[] = current($result);
next($result);
}
unset($lineMap);
unset($resultArray);
for ($i=0; $i<$numLines; ++$i)
{
$shard = '*';
$server = '*';
$service = '*';
unset($entity);
$path = "";
foreach($vars as $var)
{
$maxvarwidth[$var] = strlen($var);
$val = current($result);
next($result);
if ($val == "???")
unset($val);
if ($var == "shard" || $var == "server" || $var == "service" || $var == "entity")
{
if ($path != "")
$path .= ".";
$path .= $val;
if ($var == "shard") { $shard = $val; $listShard[] = $shard; }
if ($var == "server") $server = $val;
if ($var == "service") $service = $val;
if ($var == "entity") $entity = $val;
}
else
{
$line = $lineMap[$path];
if (!isset($line))
{
$line = count($resultArray);
$lineMap[$path] = $line;
$resultArray[$line]["shard"] = $shard;
$resultArray[$line]["server"] = $server;
$resultArray[$line]["service"] = $service;
$resultArray[$line]["_path_"] = $path;
$serviceDecomp = explode("/", $service);
if (count($serviceDecomp) == 1)
{
$serviceAlias = $service;
$serviceSid = $service;
}
else
{
$serviceAlias = $serviceDecomp[0];
$serviceSid = $serviceDecomp[1];
}
if (isset($entity))
{
$resultArray[$line]["entity"] = $entity;
$listPath[] = $shard.".".$server.".".$service.".".$entity;
}
else
{
$listPath[] = $shard.".".$server.".".$service;
}
}
if (isset($val))
$resultArray[$line][$var] = $val;
//echo "set resultArray[$line][$var]=$val<br>\n";
}
}
}
//echo "<pre>\n";
//print_r($resultArray);
//echo "</pre>\n";
if (count($listShard) > 0)
{
$listShard = array_unique($listShard);
sort($listShard);
echo "<table border=1>\n";
echo "<tr><th>Shard</th>";
if ($enablelock)
echo "<th>Locked by</th><th></th>";
echo "<th>Annotation by</th><th width='500'>Annotation</th><th></th></tr>\n";
foreach($listShard as $shard)
{
$annotation = &$shardLockState[$shard];
$hasColor = time()-strtotime($annotation['post_date'])< 120;
$lockState = $annotation['lock_state'];
echo "<tr".($hasColor ? ' bgcolor=#FFBB88' : '')."><td>&nbsp;$shard&nbsp;</td>";
if ($enablelock)
{
echo "<td><font size=0>&nbsp;".($lockState != 0 ? ($usersData[$annotation['lock_user']]["login"]."/".$annotation['lock_ip']."&nbsp;<br>&nbsp;".$annotation['lock_date']) : "not locked")."&nbsp;</font></td>";
echo "<td>";
if ($lockState == 0)
echo "<input type=submit name='upd_lock_button_$shard' value='Lock'>";
else if ($lockState == 1)
echo "<input type=submit name='upd_unlock_button_$shard' value='Unlock'>";
else
echo "<input type=submit name='upd_lock_button_$shard' value='Force Lock'>";
echo "</td>";
}
echo "<td>&nbsp;".$usersData[$annotation['user_annot']]["login"]."&nbsp;/&nbsp;".$annotation['post_date']."&nbsp;</td>";
echo "<td>&nbsp;".($lockState == 1 ? ("<input type=text name='upd_annot_text_$shard' value='".$annotation['annot']."' size=90 maxlength=255".($hasColor ? " style='background-color: #FFBB88;'" : "").">") : $annotation['annot'])."&nbsp;</td>";
echo "<td>".($lockState == 1 ? ("<input type=submit name='upd_annot_button_$shard' value='Update'>") : (""))."</td>";
echo "</tr>\n";
}
echo "</table><br>\n";
}
echo "<table border=1>\n";
echo "<tr valign=center>";
foreach ($vars as $var)
{
$display = (isset($vardisp[$var]) ? $vardisp[$var] : "<i>".$var."</i>");
if ($var == "shard" || $var == "server" || $var == "service" || $var == "entity" || !$condensed)
echo "<th>$display</th>";
else
break;
}
if ($condensed)
echo "<th>Variable</th><th>Value</th>";
echo "</tr>\n";
if (count($resultArray) > 0)
usort($resultArray, "vcmp");
$prevShard = "";
$idxShard = 0;
$dispUpdateButton = false;
if ($condensed)
{
for ($i=0; $i<count($resultArray); ++$i)
{
$shard = '*';
$server = '*';
$service = '*';
unset($entity);
$arr = &$resultArray[$i];
if ($arr["shard"] != $prevShard)
{
if ($prevShard != "")
$idxShard = 1-$idxShard;
$prevShard = $arr["shard"];
}
$bgcolor = ($idxShard == 0 ? ($i&1 ? "#DDDDDD" : "#EEEEEE") : ($i&1 ? "#D0DDDD" : "#E0EEEE"));
$first = true;
echo "<tr bgcolor=$bgcolor>";
for ($j=0; $j<count($vars); ++$j)
{
$var = $vars[$j];
if ($var != "shard" && $var != "server" && $var != "service" && $var != "entity")
break;
$val = $arr[$var];
$bgcolor2 = ((strstr($val, "((TIMEOUT))") == FALSE) ? $bgcolor : "#FF4422");
if ($var == "shard") $shard = $val;
if ($var == "server") $server = $val;
if ($var == "entity" && $val != "") $entity = $val;
//
// parse service name
//
if ($var == "service")
{
splitServiceName($val, $serviceAlias, $serviceName, $serviceId);
$service = $serviceName;
}
$vval = ($var == "service" ? $serviceName : $val);
if ($var == "shard") $selects = "&filter_shard=$shard";
else if ($var == "server") $selects = "&filter_shard=$shard&filter_server=$server";
else if ($var == "service") $selects = "&filter_shard=$shard&filter_server=$server&filter_service=$service";
else if ($var == "entity") $selects = "&filter_shard=$shard&filter_server=$server&filter_service=$service&filter_entity=$vval";
$vval .= ",Default".ucfirst(strtolower($var == "entity" ? "player" : $var)).(isset($current_tname) ? ",$current_tname" : "");
echo "<td bgcolor=$bgcolor2 nowrap>&nbsp;<a href='".$_SERVER['PHP_SELF']."?select_view=$vval$selects'>$val</a>".((($admlogin=="root" || $IsNevrax) && $var=="service") ? "&nbsp;<a href='commands.php?preselServ=$shard.$server.$serviceAlias'><font size=1>[cmd]</font></a>" : "")."</td>";
}
$numprev = $j;
for (; $j<count($vars); ++$j)
{
$var = $vars[$j];
$val = $arr[$var];
if (!isset($val) || $val == "")
continue;
if (!$first)
{
echo "<tr bgcolor=$bgcolor>";
for ($k=0; $k<$numprev; ++$k)
echo "<td bgcolor=$bgcolor></td>";
}
$first = false;
$maxvarwidth[$var] = max($maxvarwidth[$var], strlen($val));
$bound = &$bounds[$var];
$state = 0;
if (isset($bound) && $val != "")
{
$realval = humanReadableToRaw($val);
if ($bound[2] == 'gt')
{
if ($bound[0]!=-1 && $realval >= $bound[0])
$state = 1;
if ($bound[1]!=-1 && $realval >= $bound[1])
$state = 2;
}
else
{
if ($bound[0]!=-1 && $realval <= $bound[0])
$state = 1;
if ($bound[1]!=-1 && $realval <= $bound[1])
$state = 2;
}
}
$btcolor = ($state==0 ? $bgcolor : ($state==1 ? "#FFCC88" : "#FF4422"));
if (isset($colorKeyWords[$val]))
$btcolor = $colorKeyWords[$val];
if ($privilege[$var] == 'rw' && $shardLockState[$shard]['lock_state'] == 1)
{
$valdisp = "<input name='updvar_$shard|$server|$serviceAlias|".(isset($entity)?"$entity|":"")."$var' value='$val' size=16 maxlength=64 style='background-color: $btcolor;'><input type=hidden name='prevvar_$shard|$server|$serviceAlias|".(isset($entity)?"$entity|":"")."$var' value='$val'>";
$dispUpdateButton = true;
}
else
{
$valdisp = "$val";
}
echo "<td>$var</td><td bgcolor=$btcolor nowrap>$valdisp</td></tr>\n";
}
}
}
else
{
for ($i=0; $i<count($resultArray); ++$i)
{
$arr = &$resultArray[$i];
foreach($vars as $var)
{
$val = $arr[$var];
$maxvarwidth[$var] = max($maxvarwidth[$var], strlen($val));
}
}
for ($i=0; $i<count($resultArray); ++$i)
{
$shard = '*';
$server = '*';
$service = '*';
unset($entity);
unset($line);
$arr = &$resultArray[$i];
if ($arr["shard"] != $prevShard)
{
if ($prevShard != "")
$idxShard = 1-$idxShard;
$prevShard = $arr["shard"];
}
$bgcolor = ($idxShard == 0 ? ($i&1 ? "#DDDDDD" : "#EEEEEE") : ($i&1 ? "#D0DDDD" : "#E0EEEE"));
foreach($vars as $var)
{
$val = $arr[$var];
if ($val == "???") $val = NULL;
$addlink = false;
$bgcolor2 = ((strstr($val, "((TIMEOUT))") == FALSE) ? $bgcolor : "#FF4422");
if ($var == "shard") { $addlink = true; $shard = $val; }
if ($var == "server") { $addlink = true; $server = $val; }
if ($var == "entity" && $val != "") { $addlink = true; $entity = $val; }
//
// parse service name
//
if ($var == "service")
{
splitServiceName($val, $serviceAlias, $serviceName, $serviceId);
$service = $serviceName;
$addlink = true;
}
//$maxvarwidth[$var] = max($maxvarwidth[$var], strlen($val));
$bound = &$bounds[$var];
$state = 0;
if (isset($bound) && $val != "")
{
$realval = humanReadableToRaw($val);
if ($bound[2] == 'gt')
{
if ($bound[0]!=-1 && $realval >= $bound[0])
$state = 1;
if ($bound[1]!=-1 && $realval >= $bound[1])
$state = 2;
}
else
{
if ($bound[0]!=-1 && $realval <= $bound[0])
$state = 1;
if ($bound[1]!=-1 && $realval <= $bound[1])
$state = 2;
}
}
$btcolor = ($state==0 ? $bgcolor : ($state==1 ? "#FFCC88" : "#FF4422"));
if (isset($colorKeyWords[$val]))
$btcolor = $colorKeyWords[$val];
if (strstr($val, "((TIMEOUT))") != FALSE)
$btcolor = "#FF4422";
if ($privilege[$var] == 'rw' && $shardLockState[$shard]['lock_state'] == 1)
{
$len = max(min($maxvarwidth[$var], 16), 4);
$valdisp = "<input name='updvar_$shard|$server|$serviceAlias|".(isset($entity)?"$entity|":"")."$var' value='$val' size=$len maxlength=64 style='background-color: $btcolor;'><input type=hidden name='prevvar_$shard|$server|$serviceAlias|".(isset($entity)?"$entity|":"")."$var' value='$val'>";
$dispUpdateButton = true;
}
else
{
$valdisp = "$val";
}
if ($addlink)
{
$vval = ($var == "service" ? $serviceName : $val);
if ($var == "shard") $selects = "&filter_shard=$shard";
else if ($var == "server") $selects = "&filter_shard=$shard&filter_server=$server";
else if ($var == "service") $selects = "&filter_shard=$shard&filter_server=$server&filter_service=$vval";
else if ($var == "entity") $selects = "&filter_shard=$shard&filter_server=$server&filter_service=$service&filter_entity=$vval";
$vval .= ",Default".ucfirst(strtolower($var == "entity" ? "player" : $var)).(isset($current_tname) ? ",$current_tname" : "");
$line .= "<td bgcolor=$btcolor nowrap>&nbsp;<a href='".$_SERVER['PHP_SELF']."?select_view=$vval$selects'>$valdisp</a>".((($admlogin=="root" || $IsNevrax) && $var=="service") ? "&nbsp;<a href='commands.php?preselServ=$shard.$server.$serviceAlias'><font size=1>[cmd]</font></a>" : "")."&nbsp;</td>";
}
else
{
$line .= "<td bgcolor=$btcolor nowrap>&nbsp;$valdisp&nbsp;</td>";
}
}
echo "<tr bgcolor=$bgcolor>";
echo $line;
echo "</tr>\n";
}
}
if (!$condensed)
{
echo "<tr height=5><td colspan=".(count($vars)+1)."></td></tr>";
echo "<tr>";
foreach($vars as $var)
{
$len = max(min($maxvarwidth[$var], 16), 4);
if ($var != "shard" && $var != "server" && $var != "service" && $var != "entity" && $privilege[$var] == 'rw')
echo "<td>&nbsp;<input name='override_$var' size=$len maxlength=64>&nbsp;</td>";
else
echo "<td><i>&nbsp;All</i></td>";
}
echo "</tr>\n";
}
echo "</table><br>\n";
if ($dispUpdateButton)
echo "<input type=submit name='upd_values' value='Update Values'>\n";
}
else
{
echo "<b>NeL query returned no answer</b><br>\n";
}
}
function addToNode(&$node, &$address, $step)
{
if ($step >= count($address))
return;
//echo "addToNode:$address[$step]<br>\n";
addToNode($node[$address[$step]], $address, $step+1);
}
function filterPath($path, $filter)
{
$pnodes = explode(".", $path);
$fnodes = explode(".", $filter);
for ($i=0; $i<count($pnodes); ++$i)
{
if ($fnodes[$i][0] == '@')
{
$rnodes[] = substr($fnodes[$i], 1);
}
else if ($fnodes[$i] == "*" || $fnodes[$i] == "#" || $fnodes[$i] == "" || $pnodes[$i] == $fnodes[$i])
{
$rnodes[] = $pnodes[$i];
}
else if ($pnodes[$i] == "*" || $pnodes[$i] == "#")
{
$rnodes[] = $fnodes[$i];
}
else
{
return "";
}
}
//echo "filter($path, $filter)=".join(".", $rnodes)."<br>\n";
return join(".", $rnodes);
}
function partialFilterPath($path, $filter)
{
$pnodes = explode(".", $path);
$fnodes = explode(".", $filter);
for ($i=0; $i<count($pnodes); ++$i)
{
if ($fnodes[$i][0] == '@')
{
$rnodes[] = substr($fnodes[$i], 1);
}
else if ($fnodes[$i] == "*" || $fnodes[$i] == "#" || $fnodes[$i] == "" || (strstr($pnodes[$i], $fnodes[$i]) !== FALSE) && $i==0 || $pnodes[$i] == $fnodes[$i])
{
$rnodes[] = $pnodes[$i];
}
else if ($pnodes[$i] == "*" || $pnodes[$i] == "#")
{
$rnodes[] = $fnodes[$i];
}
else
{
return "";
}
}
//echo "filter($path, $filter)=".join(".", $rnodes)."<br>\n";
return join(".", $rnodes);
}
function splitServiceName($service, &$serviceAlias, &$serviceName, &$serviceId)
{
if (($p1 = strpos($service, "/")) === FALSE || ($p2 = strpos($service, "-")) === FALSE || $p2<$p1)
{
$serviceName = $service;
$serviceAlias = $service;
$serviceId = $service;
}
else
{
$serviceName = substr($service, $p1+1, $p2-$p1-1);
$serviceAlias = substr($service, 0, $p1);
$serviceId = substr($service, $p2);
}
}
function filterPathUsingAliases($path, $filter)
{
$pnodes = explode(".", $path);
$fnodes = explode(".", $filter);
for ($i=0; $i<count($pnodes) || $i<count($fnodes); ++$i)
{
$aliases = split( '[/-]', $pnodes[$i] );
if (count($aliases) == 3)
{
$pmatch = $aliases[1];
$palias = $aliases[0];
}
else
{
$pmatch = $aliases[0];
$palias = $aliases[0];
}
if ($fnodes[$i][0] == '@')
{
$rnodes[] = substr($fnodes[$i], 1);
}
else if ($fnodes[$i] == "*" || $fnodes[$i] == "#" || $fnodes[$i] == "" || $pmatch == $fnodes[$i])
{
$rnodes[] = $palias;
}
else if ($pnodes[$i] == "*" || $pnodes[$i] == "#" || $pnodes[$i] == "")
{
$rnodes[] = $fnodes[$i];
}
else
{
return "";
}
}
//echo "filter($path, $filter)=".join(".", $rnodes)."<br>\n";
return join(".", $rnodes);
}
function addToSelectNode(&$node, &$address, $step)
{
//echo "--addToSelectNode(step=$step,count(address)=".count($address).")<br>\n";
if ($node == NULL)
{
return true;
}
else if ($step >= count($address))
{
$nodes = array_keys($node);
foreach($nodes as $nod)
{
if ($nod == "___flag")
continue;
$subnode = &$node[$nod];
addToSelectNode($subnode, $address, $step+1);
$subnode["___flag"] = true;
}
return true;
}
$sel = $address[$step];
$sel_reg = "^".str_replace("*", ".*", $sel)."$";
$sel_cut = str_replace("*", "&&&&&", $sel);
//echo "----addToSelectNode: sel=$sel sel_reg=$sel_reg sel_cut=$sel_cut<br>\n";
$nodes = array_keys($node);
$flag = false;
foreach($nodes as $nod)
{
if ($nod == "___flag")
continue;
$subnode = &$node[$nod];
$nod_reg = "^".str_replace("#", ".*", str_replace("*", ".*", $nod))."$";
//$nod_reg = "^".str_replace("*", ".*", $nod)."$";
$nod_cut = str_replace("*", "&&&&&", $nod);
//echo "addToSelectNode: nod=$nod nod_reg=$nod_reg nod_cut=$nod_cut<br>\n";
// if subnode matches selection, subnode is more restrictive and then flag subnode and keep subnode
if (eregi($sel_reg, $nod_cut))
{
//echo "node $nod matches select $sel<br>\n";
if (addToSelectNode($subnode, $address, $step+1))
{
$subnode["___flag"] = true;
$flag = true;
}
}
// if selection matches subnode, selection is more restrictive and then copy subnode as selection, flag new subnode and keep it
else if (eregi($nod_reg, $sel_cut))
{
//echo "selection $sel matches node $nod, adding node $sel<br>\n";
addNode($node[$sel], $subnode);
$subnode = &$node[$sel];
if (addToSelectNode($subnode, $address, $step+1))
{
$subnode["___flag"] = true;
$flag = true;
}
}
}
return $flag;
}
function clearupNode(&$node)
{
if (!is_array($node))
return;
$nodes = array_keys($node);
foreach ($nodes as $key)
{
$subnode = &$node[$key];
if ($subnode["___flag"])
{
unset($subnode["___flag"]);
clearupNode($subnode);
}
else
{
unset($node[$key]);
}
}
}
function dispNode(&$node, $indent)
{
if (count($node) < 1)
return;
foreach ($node as $key => $subnode)
{
if ($key != "___flag")
{
for ($i=0;$i<$indent; ++$i)
echo "-";
echo $key.($subnode["___flag"] ? " flag":"")."<br>\n";
dispNode($subnode, $indent+1);
}
}
}
function addNode(&$dest, &$src)
{
if (!is_array($src) || count($src) < 1)
return;
foreach ($src as $key => $subnode)
if ($key != "___flag")
addNode($dest[$key], $subnode);
}
function buildQuery(&$node)
{
if (!is_array($node) || count($node) < 1)
return;
$hasChild = count($node)>1;
if ($hasChild)
$sub .= "[";
$i = 0;
foreach ($node as $key => $subnode)
{
$sub .= "$key";
if (is_array($subnode) && count($subnode)>=1)
{
$sub .= ".";
$sub .= buildQuery($subnode);
}
if ($i < count($node)-1)
$sub .= ",";
++$i;
}
if ($hasChild)
$sub .= "]";
return $sub;
}
//
function factorizeQuery($query)
{
global $factorizeForward;
$factorizeForward = true;
$ret = factorizeQueryInternal($query);
/* $factorizeForward = false;
$ret = factorizeQueryInternal($ret)
*/ return $ret;
}
function factorizeQueryInternal($query)
{
global $alev;
++$alev;
if ($query == "")
return $query;
//echo "$alev factorizeQuery($query)<br>\n";
$blocs = splitQuery($query);
unset($newQuery);
$first = true;
foreach ($blocs as $bloc)
{
$newBloc = factorizeBloc($bloc);
if (!$first)
$newQuery .= '.';
$newQuery .= $newBloc;
$first = false;
}
//echo "$alev factorizeQuery($query) = $newQuery<br>\n";
--$alev;
return $newQuery;
}
function splitQuery($query)
{
$i=0;
while ($i<strlen($query))
{
$bloc = "";
$level = 0;
while ($i<strlen($query) && (($char=$query{$i})!='.' || $level!=0))
{
if ($char == '[') ++$level;
else if ($char == ']') --$level;
$bloc .= $char;
++$i;
}
++$i;
if ($level != 0)
echo "Error on query '$query', badly formed (missing end bracket?)<br>\n";
$arr[] = $bloc;
}
return $arr;
}
function separateLastQueryBloc($query, &$lead, &$last)
{
$i=strlen($query)-1;
$level = 0;
while ($i>=0 && (($char=$query{$i})!='.' || $level!=0))
{
if ($char == '[') ++$level;
else if ($char == ']') --$level;
--$i;
}
if ($level != 0)
echo "Error on query '$query', badly formed (missing end bracket?)<br>\n";
if ($i == -1)
{
$lead = "";
$last = $query;
}
else
{
$lead = substr($query, 0, $i);
$last = substr($query, $i+1);
}
}
function separateFirstQueryBloc($query, &$first, &$follow)
{
$i=0;
$level = 0;
while ($i<strlen($query) && (($char=$query{$i})!='.' || $level!=0))
{
if ($char == '[') ++$level;
else if ($char == ']') --$level;
++$i;
}
if ($level != 0)
echo "Error on query '$query', badly formed (missing end bracket?)<br>\n";
if ($i == strlen($query))
{
$follow = "";
$first = $query;
}
else
{
$first = substr($query, 0, $i);
$follow = substr($query, $i+1);
}
}
function factorizeBloc($bloc)
{
global $factorizeForward;
return $factorizeForward ? factorizeForwardBloc($bloc) : factorizeBackwardBloc($bloc);
}
function factorizeForwardBloc($bloc)
{
if ($bloc{0} != '[')
return $bloc;
$queries = splitBloc($bloc);
if (count($queries) == 0)
return;
if (count($queries) == 1)
return $queries[0];
global $alev;
++$alev;
//echo "$alev factorizeForwardBloc($bloc)<br>\n";
unset($factors);
foreach ($queries as $query)
{
$newQuery = factorizeQueryInternal($query);
separateFirstQueryBloc($query, $first, $follow);
//echo "$alev found factor $first - $follow<br>\n";
$factors[$first][] = $follow;
}
if (count($factors) == 1)
{
reset($factors);
$a = array_keys($factors);
$factor = $a[0];
$follows = $factors[$factor];
if (count($follows) == 1)
{
$factorized = $factor.($follows[0] != "" ? '.'.$follows[0] : "");
}
else
{
$fbloc = joinArray($follows, ",");
$factorized = ($fbloc == "") ? $factor : $factor.'.'.factorizeBloc('['.$fbloc.']');
}
}
else
{
unset($subblocs);
foreach ($factors as $factor => $follows)
{
//echo "$alev factor $factor, ".count($follows)." leads<br>\n";
if (count($follows) == 1)
{
$subblocs[] = $factor.($follows[0] != "" ? '.'.$follows[0] : "");
}
else
{
$fbloc = joinArray($follows, ",");
$subblocs[] = ($fbloc == "") ? $factor : $factor.'.'.factorizeBloc('['.$fbloc.']');
}
}
$factorized = '['.joinArray($subblocs, ",").']';
}
//echo "$alev factorizeForwardBloc($bloc) = $factorized<br>\n";
--$alev;
return $factorized;
}
function factorizeBackwardBloc($bloc)
{
if ($bloc{0} != '[')
return $bloc;
$queries = splitBloc($bloc);
if (count($queries) == 0)
return;
if (count($queries) == 1)
return $queries[0];
global $alev;
++$alev;
//echo "$alev factorizeBloc($bloc)<br>\n";
unset($factors);
foreach ($queries as $query)
{
$newQuery = factorizeQueryInternal($query);
separateLastQueryBloc($query, $lead, $last);
//echo "$alev found factor $lead - $last<br>\n";
$factors[$last][] = $lead;
}
if (count($factors) == 1)
{
reset($factors);
$a = array_keys($factors);
$factor = $a[0];
$leads = $factors[$factor];
if (count($leads) == 1)
{
$factorized = ($leads[0] != "" ? $leads[0].'.' : "").$factor;
}
else
{
$fbloc = joinArray($leads, ",");
$factorized = ($fbloc == "") ? $factor : factorizeBloc('['.$fbloc.']').'.'.$factor;
}
}
else
{
unset($subblocs);
foreach ($factors as $factor => $leads)
{
//echo "$alev factor $factor, ".count($leads)." leads<br>\n";
if (count($leads) == 1)
{
$subblocs[] = ($leads[0] != "" ? $leads[0].'.' : "").$factor;
}
else
{
$fbloc = joinArray($leads, ",");
$subblocs[] = ($fbloc == "") ? $factor : factorizeBloc('['.$fbloc.']').'.'.$factor;
}
}
$factorized = '['.joinArray($subblocs, ",").']';
}
//echo "$alev factorizeBloc($bloc) = $factorized<br>\n";
--$alev;
return $factorized;
}
function splitBloc($bloc)
{
if ($bloc{0} != '[')
{
$arr[] = $bloc;
}
else
{
if ($bloc{strlen($bloc)-1}!=']')
echo "Error on bloc '$bloc', unexpected character after ']'<br>\n";
$i=1;
while ($i<strlen($bloc)-1)
{
$alt = "";
$level = 0;
while ( $i<strlen($bloc)-1 && ( ($char=$bloc{$i}) != ',' || $level!=0 ) )
{
if ($char == '[') ++$level;
else if ($char == ']') --$level;
$alt .= $char;
++$i;
}
++$i;
if ($level != 0)
echo "Error on bloc '$bloc', badly formed (missing end bracket?)<br>\n";
$arr[] = $alt;
}
}
return $arr;
}
function joinArray(&$array, $sep)
{
if (count($array) == 0)
return "";
$first = true;
foreach ($array as $val)
{
$result .= ($first ? "" : $sep).$val;
$first = false;
}
return $result;
}
function getVarName($path)
{
$arr = explode(".", $path);
return $arr[count($arr)-1];
}
function isAtom($atom)
{
for ($i=0; $i<strlen($atom); ++$i)
if ($atom{$i} == '.' || $atom{$i} == '[')
return false;
return true;
}
// takes a factorized query, and expands it in a list a simple paths
function expandQuery($query)
{
if (isAtom($query))
return array($query);
//echo "expand query: $query<br>";
$blocs = splitQuery($query);
//echo "splitted query: blocs=";
//print_r($blocs);
//echo "<br>-------------------<br>";
for ($i=0; $i<count($blocs); ++$i)
{
$subblocs = splitBloc($blocs[$i]);
//echo "splitted blocs: subblocs=";
//print_r($subblocs);
//echo "<br>-------------------<br>";
unset($nodes);
$nodes = array();
for ($ii=0; $ii<count($subblocs); ++$ii)
{
$nodes = array_merge($nodes, expandQuery($subblocs[$ii]));
}
if (count($current_nodes) >= 1)
{
$num_nodes = count($current_nodes);
for ($j=0; $j<$num_nodes; ++$j)
{
for ($k=0; $k<count($nodes)-1; ++$k)
$current_nodes[] = $current_nodes[$j].".".$nodes[$k];
$current_nodes[$j] .= ".".$nodes[$k];
}
}
else
{
$current_nodes = $nodes;
}
}
return $current_nodes;
}
?>
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