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Better enforcement of Singleton-ness, by requiring a setup() call after instantiation.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@121 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-07-24 11:35:46 +00:00
parent a55906225a
commit 7a9d39ddcc
2 changed files with 12 additions and 8 deletions
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8
library/HTMLPurifier/Definition.php
View File

@ -37,16 +37,14 @@ class HTMLPurifier_Definition
static $instance = null;
if (!$instance) {
$instance = new HTMLPurifier_Definition();
$instance->setup();
}
return $instance;
}
function HTMLPurifier_Definition() {
$this->generator = new HTMLPurifier_Generator();
$this->loadData();
}
function HTMLPurifier_Definition() {}
function loadData() {
function setup() {
// emulates the structure of the DTD
// entities: prefixed with e_ and _ replaces .

12
library/HTMLPurifier/EntityLookup.php
View File

@ -4,18 +4,24 @@ class HTMLPurifier_EntityLookup {
var $table;
function HTMLPurifier_EntityLookup($file = false) {
function HTMLPurifier_EntityLookup() {}
// to enforce Singleton-ness
function setup($file = false) {
if (!$file) {
$file = dirname(__FILE__) . '/EntityLookup/data.txt';
}
$this->table = unserialize(file_get_contents($file));
}
function instance() {
function instance($prototype = false) {
// no references, since PHP doesn't copy unless modified
static $instance = null;
if (!$instance) {
if ($prototype) {
$instance = $prototype;
} elseif (!$instance) {
$instance = new HTMLPurifier_EntityLookup();
$instance->setup();
}
return $instance;
}