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Restructure the way that we handle namespaces. This will move to XMLElement

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in due course.
This commit is contained in:
Andrew McMillan 2007-11-16 08:50:24 +13:00
parent 60383ef3c2
commit ec949297c3
1 changed files with 86 additions and 6 deletions
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92
inc/caldav-PROPFIND.php
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@ -22,18 +22,98 @@ $attribute_list = array();
$unsupported = array();
$arbitrary = array();
$namespaces = array( "xmlns" => "DAV:" );
$namespaces = array( "DAV:" => "" );
$prefixes = array();
function add_namespace( $prefix, $namespace ) {
global $namespaces;
global $prefixes;
$prefix = 'xmlns:'.$prefix;
if ( !isset($namespaces[$prefix]) || $namespaces[$prefix] != $namespace ) {
$namespaces[$prefix] = $namespace;
if ( !isset($namespaces[$namespace]) ) {
if ( $prefix == "" || isset($prefixes[$prefix]) ) {
dbg_error_log("ERROR", "Cannot assign the same prefix to two different namespaces");
exit;
}
else {
$prefixes[$prefix] = $prefix;
$namespaces[$namespace] = $prefix;
}
}
else {
if ( $namespaces[$namespace] != $prefix ) {
dbg_error_log("ERROR", "Cannot use the same namespace with two different prefixes");
exit;
}
}
}
function ns_tag( $in_tag, $namespace=null, $prefix=null ) {
global $namespaces;
if ( $namespace == null ) {
// Attempt to split out from namespace:tag
if ( preg_match('/^(.*):([^:]+)$/', $in_tag, $matches) ) {
$namespace = $matches[1];
$tag = $matches[2];
}
else {
// There is nothing we can do here
return $in_tag;
}
}
else {
$tag = $in_tag;
}
if ( $prefix == null ) {
// Attempt to assign one
if ( isset($namespaces[$namespace]) ) {
$prefix = $namespaces[$namespace];
}
else {
// Try and build a prefix based on the first character of the last element of the namespace
if ( preg_match('/^(.*):([^:]+)$/', $namespace, $matches) ) {
$prefix = substr($matches[2],0,1);
}
else {
$prefix = 'x';
}
$i = "";
if ( isset($prefixes[$prefix]) ) {
for ( $i=1; $i<20 && isset($prefixes["$prefix$i"]); $i++ ) {
}
}
if ( isset($prefixes["$prefix$i"]) ) {
dbg_error_log("ERROR", "Cannot find a free prefix for this namespace");
exit;
}
$prefix = "$prefix$i";
$namespaces[$namespace] = $prefix;
$prefixes[$prefix] = 1;
}
}
if ( !isset($namespaces[$namespace]) ) {
add_namespace( $prefix, $namespace );
}
return $prefix . ":" . $tag;
}
function namespace_array() {
global $namespaces;
$ns = array();
foreach( $namespaces AS $n => $p ) {
if ( $p == "" ) $ns["xmlns"] = $n; else $ns["xmlns:$p"] = $n;
}
return $ns;
}
foreach( $request->xml_tags AS $k => $v ) {
$ns_tag = $v['tag'];
@ -667,7 +747,7 @@ else {
$request->DoResponse( 403, translate("You do not have appropriate rights to view that resource.") );
}
$multistatus = new XMLElement( "multistatus", $responses, $namespaces );
$multistatus = new XMLElement( "multistatus", $responses, namespace_array() );
// dbg_log_array( "PROPFIND", "XML", $multistatus, true );
$xmldoc = $multistatus->Render(0,'<?xml version="1.0" encoding="utf-8" ?>');