mirror of
https://github.com/ezyang/htmlpurifier.git
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cb92a57e4e
- Fix debugger so that tokens can be printed without an index - Fix some broken PEAR unit tests git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1383 48356398-32a2-884e-a903-53898d9a118a
161 lines
4.2 KiB
PHP
161 lines
4.2 KiB
PHP
<?php
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/**
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* Debugging tools.
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*
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* This file gives a developer a set of tools useful for performing code
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* consistency checks. This includes scoping code blocks to ensure that
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* only the interesting iteration of a loop gets outputted, a paint()
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* function that acts like var_dump() with pre tags, and conditional
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* printing.
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*/
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/*
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TODO
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* Integrate into SimpleTest so it tells us whether or not there were any
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not cleaned up debug calls.
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* Custom var_dump() that ignores blacklisted properties
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*/
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/**#@+
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* Convenience global functions. Corresponds to method on Debugger.
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*/
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function paint($mixed) {
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$Debugger =& Debugger::instance();
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return $Debugger->paint($mixed);
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}
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function paintIf($mixed, $conditional) {
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$Debugger =& Debugger::instance();
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return $Debugger->paintIf($mixed, $conditional);
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}
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function paintWhen($mixed, $scopes = array()) {
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$Debugger =& Debugger::instance();
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return $Debugger->paintWhen($mixed, $scopes);
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}
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function paintIfWhen($mixed, $conditional, $scopes = array()) {
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$Debugger =& Debugger::instance();
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return $Debugger->paintIfWhen($mixed, $conditional, $scopes);
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}
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function addScope($id = false) {
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$Debugger =& Debugger::instance();
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return $Debugger->addScope($id);
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}
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function removeScope($id) {
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$Debugger =& Debugger::instance();
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return $Debugger->removeScope($id);
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}
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function resetScopes() {
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$Debugger =& Debugger::instance();
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return $Debugger->resetScopes();
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}
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function isInScopes($array = array()) {
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$Debugger =& Debugger::instance();
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return $Debugger->isInScopes($array);
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}
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/**#@-*/
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function printTokens($tokens, $index = null) {
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$string = '<pre>';
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$generator = new HTMLPurifier_Generator();
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foreach ($tokens as $i => $token) {
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if ($index === $i) $string .= '[<strong>';
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$string .= "<sup>$i</sup>";
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$string .= $generator->escape($generator->generateFromToken($token));
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if ($index === $i) $string .= '</strong>]';
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}
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$string .= '</pre>';
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echo $string;
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}
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/**
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* The debugging singleton. Most interesting stuff happens here.
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*/
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class Debugger
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{
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var $shouldPaint = false;
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var $paints = 0;
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var $current_scopes = array();
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var $scope_nextID = 1;
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var $add_pre = true;
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function Debugger() {
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$this->add_pre = !extension_loaded('xdebug');
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}
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/**
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* @static
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*/
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function &instance() {
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static $soleInstance = false;
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if (!$soleInstance) $soleInstance = new Debugger();
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return $soleInstance;
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}
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function paintIf($mixed, $conditional) {
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if (!$conditional) return;
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$this->paint($mixed);
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}
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function paintWhen($mixed, $scopes = array()) {
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if (!$this->isInScopes($scopes)) return;
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$this->paint($mixed);
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}
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function paintIfWhen($mixed, $conditional, $scopes = array()) {
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if (!$conditional) return;
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if (!$this->isInScopes($scopes)) return;
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$this->paint($mixed);
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}
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function paint($mixed) {
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$this->paints++;
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if($this->add_pre) echo '<pre>';
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var_dump($mixed);
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if($this->add_pre) echo '</pre>';
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}
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function addScope($id = false) {
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if ($id == false) {
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$id = $this->scope_nextID++;
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}
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$this->current_scopes[$id] = true;
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}
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function removeScope($id) {
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if (isset($this->current_scopes[$id])) unset($this->current_scopes[$id]);
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}
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function resetScopes() {
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$this->current_scopes = array();
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$this->scope_nextID = 1;
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}
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function isInScopes($scopes = array()) {
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if (empty($this->current_scopes)) {
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return false;
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}
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if (!is_array($scopes)) {
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$scopes = array($scopes);
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}
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foreach ($scopes as $scope_id) {
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if (empty($this->current_scopes[$scope_id])) {
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return false;
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}
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}
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if (empty($scopes)) {
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if ($this->scope_nextID == 1) {
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return false;
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}
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for($i = 1; $i < $this->scope_nextID; $i++) {
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if (empty($this->current_scopes[$i])) {
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return false;
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}
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}
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}
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return true;
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}
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}
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