<?php
class Graphite_Resource extends Graphite_Node
{
function __construct(Graphite $g, $uri )
{
$this->g = $g;
$this->uri = Graphite::asString($uri);
}
public function get( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = $this->all( $args );
if( sizeof( $l ) == 0 ) { return new Graphite_Null($this->g); }
return $l[0];
}
public function getLiteral( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = $this->all( $args );
if( sizeof( $l ) == 0 ) { return; }
return Graphite::asString($l[0]);
}
# getString deprecated in favour of getLiteral
public function getString( /* List */ ) { return $this->getLiteral( func_get_args() ); }
public function getDatatype( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = $this->all( $args );
if( sizeof( $l ) == 0 ) { return; }
return $l[0]->datatype();
}
public function getLanguage( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = $this->all( $args );
if( sizeof( $l ) == 0 ) { return; }
return $l[0]->language();
}
public function allString( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = array();
foreach( $this->all( $args ) as $item )
{
$l []= Graphite::asString($item);
}
return new Graphite_ResourceList($this->g,$l);
}
public function has( /* List */ )
{
$args = func_get_args();
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
foreach( $args as $arg )
{
list( $set, $relation_uri ) = $this->parsePropertyArg( $arg );
if( isset($this->g->t[$set][$this->uri])
&& isset($this->g->t[$set][$this->uri][$relation_uri]) )
{
return true;
}
}
return false;
}
public function all( /* List */ )
{
$args = func_get_args();
if (empty($args)) {
return new Graphite_ResourceList($this->g, array());
}
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
$l = array();
$done = array();
foreach( $args as $arg )
{
list( $set, $relation_uri ) = $this->parsePropertyArg( $arg );
if( !isset($this->g->t[$set][$this->uri])
|| !isset($this->g->t[$set][$this->uri][$relation_uri]) )
{
continue;
}
foreach( $this->g->t[$set][$this->uri][$relation_uri] as $v )
{
if( is_array( $v ) )
{
$l []= new Graphite_Literal( $this->g, $v );
}
else if( !isset($done[$v]) )
{
$l []= new Graphite_Resource( $this->g, $v );
$done[$v] = 1;
}
}
}
return new Graphite_ResourceList($this->g,$l);
}
public function relations()
{
$r = array();
if( isset( $this->g->t["sp"][$this->uri] ) )
{
foreach( array_keys( $this->g->t["sp"][$this->uri] ) as $pred )
{
$r []= new Graphite_Relation( $this->g, $pred );
}
}
if( isset( $this->g->t["op"][$this->uri] ) )
{
foreach( array_keys( $this->g->t["op"][$this->uri] ) as $pred )
{
$r []= new Graphite_InverseRelation( $this->g, $pred );
}
}
return new Graphite_ResourceList($this->g,$r);
}
public function toArcTriples( $bnodes = true )
{
$arcTriples = array();
$bnodes_to_add = array();
$s = $this->uri;
$s_type = "uri";
if( preg_match( '/^_:/', $s ) )
{
$s_type = "bnode";
}
if (!empty($this->g->t["sp"][$s])) {
foreach( $this->g->t["sp"][$s] as $p => $os )
{
$p = $this->g->expandURI( $p );
$p_type = "uri";
if( preg_match( '/^_:/', $p ) )
{
$p_type = "bnode";
}
foreach( $os as $o )
{
$o_lang = null;
$o_datatype = null;
if( is_array( $o ))
{
$o_type = "literal";
if( isset( $o["l"] ) && $o["l"] )
{
$o_lang = $o["l"];
}
if( isset( $o["d"] ) )
{
$o_datatype = $this->g->expandURI( $o["d"] );
}
$o = $o["v"];
}
else
{
$o = $this->g->expandURI( $o );
$o_type = "uri";
if( preg_match( '/^_:/', $o ) )
{
$o_type = "bnode";
$bnodes_to_add[] = $o;
}
}
$triple = array(
"s" => $s,
"s_type" => $s_type,
"p" => $p,
"p_type" => $p_type,
"o" => $o,
"o_type" => $o_type,
);
$triple["o_datatype"] = $o_datatype;
$triple["o_lang"] = $o_lang;
$arcTriples[] = $triple;
}
}
}
if( $bnodes )
{
foreach( array_unique( $bnodes_to_add ) as $bnode )
{
$arcTriples = array_merge( $arcTriples, $this->g->resource( $bnode )->toArcTriples() );
}
}
return $arcTriples;
}
public function serialize( $type = "RDFXML" )
{
$serializer = ARC2::getSer( $type, array( "ns" => $this->g->ns ) );
return $serializer->getSerializedTriples( $this->toArcTriples() );
}
public function load()
{
return $this->g->load( $this->uri );
}
public function loadSameAsOrg( $prefix )
{
if (empty($this->uri)) {
return 0;
}
$sameasorg_uri = "http://sameas.org/rdf?uri=".urlencode( $this->uri );
$n = $this->g->load( $sameasorg_uri );
$n+= $this->loadSameAs( $prefix );
return $n;
}
function loadDataGovUKBackLinks()
{
$backurl = "http://backlinks.psi.enakting.org/resource/rdf/".$this->uri;
return $this->g->load( $backurl, array(), array( $this->uri=>1 ) );
}
public function loadSameAs( $prefix=null )
{
$cnt = 0;
foreach( $this->all( "owl:sameAs" ) as $sameas )
{
if( $prefix && substr( Graphite::asString($sameas), 0, strlen($prefix )) != $prefix )
{
continue;
}
$cnt += $this->g->load( Graphite::asString($sameas), array( Graphite::asString($sameas)=>$this->uri ) );
}
return $cnt;
}
public function type()
{
return $this->get( "rdf:type" );
}
public function types()
{
return $this->all( "rdf:type" );
}
public function isType( /* List */ )
{
$args = func_get_args();
if (empty($args)) {
return false;
}
if( isset($args[0]) && $args[0] instanceof Graphite_ResourceList ) { $args = $args[0]; }
if( isset($args[0]) && is_array( $args[0] ) ) { $args = func_get_arg( 0 ); }
foreach( $this->allString( 'rdf:type' ) as $type )
{
foreach( $args as $arg )
{
$uri = $this->g->expandURI( $arg );
if( $uri == $type ) { return true; }
}
}
return false;
}
public function hasLabel()
{
return $this->has( $this->g->labelRelations() );
}
public function label()
{
return $this->getLiteral( $this->g->labelRelations() );
}
public function link()
{
return "<a title='".$this->uri."' href='".$this->uri."'>".$this->uri."</a>";
}
public function prettyLink()
{
if( substr( $this->uri, 0, 4 ) == "tel:" )
{
$label = substr( $this->uri, 4 );
if( $this->hasLabel() ) { $label = $this->label(); }
$icon = "";
$iconURL = $this->g->telIcon();
if( $iconURL != "" );
{
$icon =
"<a title='".$this->uri."' href='".$this->uri."'><img style='padding-right:0.2em;' src='$iconURL' /></a>";
}
return
"<span style='white-space:nowrap'>$icon<a title='".$this->uri."' href='".$this->uri."'>$label</a></span>";
# icon adapted from cc-by icon at http://pc.de/icons/
}
if( substr( $this->uri, 0, 7 ) == "mailto:" )
{
$label = substr( $this->uri, 7 );
if( $this->hasLabel() ) { $label = $this->label(); }
$icon = "";
$iconURL = $this->g->mailtoIcon();
if( $iconURL != "" );
{
$icon =
"<a title='".$this->uri."' href='".$this->uri."'><img style='padding-right:0.2em;' src='$iconURL' /></a>";
}
return
"<span style='white-space:nowrap'>$icon<a title='".$this->uri."' href='".$this->uri."'>$label</a></span>";
# icon adapted from cc-by icon at http://pc.de/icons/
}
$label = $this->uri;
if( $this->hasLabel() ) { $label = $this->label(); }
return "<a title='".$this->uri."' href='".$this->uri."'>$label</a>";
}
public function dumpText()
{
$r = "";
$plist = array();
foreach( $this->relations() as $prop )
{
$olist = array();
foreach( $this->all( $prop ) as $obj )
{
$olist []= $obj->dumpValueText();
}
$arr = "->";
if( is_a( $prop, "Graphite_InverseRelation" ) ) { $arr = "<-"; }
$plist []= "$arr ".$this->g->shrinkURI($prop)." $arr ".join( ", ",$olist );
}
return $this->g->shrinkURI($this->uri)."\n ".join( ";\n ", $plist )." .\n";
}
public function dump( $options = array() )
{
$r = "";
$plist = array();
foreach( $this->relations() as $prop )
{
$olist = array();
$all = $this->all( $prop );
foreach( $all as $obj )
{
$olist []= $obj->dumpValue($options);
}
if( is_a( $prop, "Graphite_InverseRelation" ) )
{
$pattern = "<span style='font-size:130%%'>←</span> is <a title='%s' href='%s' style='text-decoration:none;color: green'>%s</a> of <span style='font-size:130%%'>←</span> %s";
}
else
{
$pattern = "<span style='font-size:130%%'>→</span> <a title='%s' href='%s' style='text-decoration:none;color: green'>%s</a> <span style='font-size:130%%'>→</span> %s";
}
$prop = $prop->toString();
$plist []= sprintf( $pattern, htmlentities($prop), htmlentities($prop), htmlentities($this->g->shrinkURI($prop)), htmlentities(join( ", ",$olist )));
}
$r.= "\n<a name='".htmlentities($this->uri)."'></a><div style='text-align:left;font-family: arial;padding:0.5em; background-color:lightgrey;border:dashed 1px grey;margin-bottom:2px;'>\n";
if( isset($options["label"] ) )
{
$label = $this->label();
if( $label == "[NULL]" ) { $label = ""; } else { $label = "<strong>".htmlentities($label)."</strong>"; }
if( $this->has( "rdf:type" ) )
{
if( $this->get( "rdf:type" )->hasLabel() )
{
$typename = $this->get( "rdf:type" )->label();
}
else
{
$bits = preg_split( "/[\/#]/", @$this->get( "rdf:type" )->uri );
$typename = array_pop( $bits );
$typename = preg_replace( "/([a-z])([A-Z])/","$1 $2",$typename );
}
$r .= preg_replace( "/>a ([AEIOU])/i", ">an $1", "<div style='float:right'>a ".htmlentities($typename)."</div>" );
}
if( $label != "" ) { $r.="<div>$label</div>"; }
}
$r.= "<div><a title='".htmlentities($this->uri)."' href='".htmlentities($this->uri)."' style='text-decoration:none'>".htmlentities($this->g->shrinkURI($this->uri))."</a></div>\n";
$r.=" <div style='padding-left: 3em'>\n <div>".join( "</div>\n <div>", $plist )."</div></div><div style='clear:both;height:1px; overflow:hidden'> </div></div>";
return $r;
}
function __toString() {
return !empty($this->uri) ? Graphite::asString($this->uri) : "";
}
function dumpValue($options=array())
{
$label = $this->dumpValueText();
if( $this->hasLabel() && @$options["labeluris"] )
{
$label = $this->label();
}
$href = $this->uri;
if( @$options["internallinks"] )
{
$href = "#".htmlentities($this->uri);
}
return "<a href='".$href."' title='".$this->uri."' style='text-decoration:none;color:red'>".$label."</a>";
}
function dumpValueText() { return $this->g->shrinkURI( $this->uri ); }
function nodeType() { return "#resource"; }
function prepareDescription()
{
return new Graphite_Description( $this );
}
protected function parsePropertyArg( $arg )
{
if( is_a( $arg, "Graphite_Resource" ) )
{
if( is_a( $arg, "Graphite_InverseRelation" ) )
{
return array( "op", Graphite::asString($arg) );
}
return array( "sp", Graphite::asString($arg) );
}
$set = "sp";
if( substr( $arg,0,1) == "-" )
{
$set = "op";
$arg = substr($arg,1);
}
return array( $set, $this->g->expandURI( "$arg" ) );
}
}