" + this.xtitle + "

//--------------------- about this script ------------------------- DCMeta.prototype.meta = { "@prefix": "", "@about": "", a: ":Javascript", title: "Medatada generator", shortdesc: "Generates Dublin Core metadata with HTML form .", created: "2004-10-06", release: {revision: "1.0.2", created: "2005-07-15"}, author: {name: "KANZAKI, Masahide", homepage: ""}, license: "", dependencies: "/parts/std.js for ge.* object"}; //----------------------------------------------------------------- // instanciate dc class var dc = new DCMeta(); // constants var TAB = String.fromCharCode(9), SEP = String.fromCharCode(17); /** * DCMeta class (object) constructor. */ function DCMeta(){ this.pfxCount = []; this.nsUris = []; this.msg = {}; this.vocab = {}; this.xtitle, this.nodeElt, this.escEnt; this.lang = ge.docLang; this.aBuri, this.lenBuriArray; this.i = {'rdf': 0, 'xhtml': 1, 'pfx': 0, 'lname': 1, 'uriref': 1}; this.dcdef = {Language:"ja", Format:"text/html", Type:"dct:Text"}; } /** * Initializes input form and some variables. Also restores fields * which were deleted on leaving the form document. */ DCMeta.prototype.initForm = function(){ this.fmeta = document.getElementById("metadata"); this.savef = document.getElementById("save-form").saver; var uritds, q; var uritr = document.getElementById('nsuri-tb').getElementsByTagName('tr'); for(var i=0;i\n" + " <" + this.nodeElt + " rdf:about='" + this.checkValue(this.fmeta.fMuri.value) +"'>\n" + metadata[this.i.rdf] + " \n" + ""; document.getElementById("meta-xhtml").xmeta.value = "\n" + "\n" + " " + this.xtitle + "\n" + " \n" + this.genSchemaLink() + metadata[this.i.xhtml] + "\n" + "\n\n" + "\n"; this.saveFlds(); location = "#rdf-form"; } /** * Parses input fields and returns metadata array (rdf, xhtml). * To be called from genRDF(). */ DCMeta.prototype.genMetadata = function(f){ var i, rdfres='', metares='', eltname, val; var qn = new Array(2); for(i=1;i1){ if(eltname == 'rdf:type'){ rdfres = this.procType(f.elements[i].value) + rdfres; }else{ val = this.checkValue(f.elements[i].value); if(eltname == 'dc:creator' && f.fMmbox.value != ''){ var rm = new Array(2); rm = this.genStructCreator(val,f.fMmbox.value); rdfres += rm[this.i.rdf]; metares += rm[this.i.xhtml]; }else if(val){ this.pfxCount[qn[this.i.pfx]]++; if(eltname == 'dc:title') this.xtitle = val; // for XHTML else if(eltname == 'dc:language') this.lang = val; rdfres += this.genPropElt(eltname, val); metares += this.genXhtmlTags(qn[this.i.pfx], qn[this.i.lname], val); } } } } return [rdfres, metares]; } /** * test for typed node element * to be called from genMetadata() */ DCMeta.prototype.procType = function(val){ if(val == '') return ''; if(this.nodeElt != 'rdf:Description') // if already has typed element return this.genPropElt('rdf:type', this.checkValue(val)); var nsar = this.getNsPair(val); if(nsar[this.i.pfx]){ // if the first rdf:type and has pfx map this.nodeElt = val; this.pfxCount[nsar[this.i.pfx]]++; return ''; // no property element } return this.genPropElt('rdf:type', val); // if no pfx map } /** * Generates structured dc:creator */ DCMeta.prototype.genStructCreator = function(uname,mbox){ var foafname = '', metaname = ''; mbox = (mbox.substr(0,7) == 'mailto:') ? mbox : 'mailto:' + mbox; this.pfxCount['foaf']++; this.pfxCount['dc']++; if(uname){ foafname = " " + uname + "\n"; metaname = " \n"; } return [ " \n" + " \n" + foafname + " \n" + " \n" + " \n" , metaname + " \n" ]; } /** * Generates RDF/XML property element. If val begins with * (http|urn|mailto|tag):, then assume rdf:resource, othewise * literal value. */ DCMeta.prototype.genPropElt = function(elt, val){ if(val.match(/^(http|urn|mailto|tag):/) && elt != 'dc:identifier'){ return " <" + elt + " rdf:resource='" + val + "'/>\n"; }else{ return " <" + elt + ">" + val + "\n"; } } /** Generates XHTML meta tag */ DCMeta.prototype.genXhtmlTags = function(pfx,lname,val){ return " \n"; } /** Generates XHTML link tag for schema declaration */ DCMeta.prototype.genSchemaLink = function(){ var pfx, link = ""; for(pfx in this.nsUris){ if(this.pfxCount[pfx]) link += " \n"; } return link; } // namespace related functions /** * Expnds QNames to abs uri, and escapes &<>... * Uri can be input as qname in form field for easy typing. */ DCMeta.prototype.checkValue = function(val){ if(val == '') return ''; var nsar = this.getNsPair(val); if(nsar[1] == 'http') return nsar[1] + ':' + this.escEntVal(nsar[2]); else if(nsar[this.i.pfx]) return val.replace(nsar[this.i.pfx] + ':',nsar[this.i.uriref]); else return this.escEntVal(val); } /** * Find pair of nsuri and local name from qname-style (aaa:bbb) input. * If input val begins with http:, then returns special array, * if pfx is registered as standard, then returns [nsuri, localname], * otherwise returns empty string. */ DCMeta.prototype.getNsPair = function(val){ var nsuri, uriar; if(val.substr(0,5) == 'http:') return ['','http', val.substr(5)]; //pfx = String(val.match(/^[a-z]+:/)); //Safari doesn't work ? uriar = (val.substr(0,8)).split(':'); if(uriar.length > 1 && (nsuri = this.nsUris[uriar[this.i.pfx]])) return new Array(uriar[this.i.pfx],nsuri); return ''; } /** generates xmlns attributes */ DCMeta.prototype.genNSdecl = function(){ //var ns = " xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'\n"; var pfx, ns = ''; for(pfx in this.nsUris){ if(this.pfxCount[pfx]) ns += " xmlns:" + pfx + "='" + this.nsUris[pfx] + "'\n"; } return ns; } /** Escapes &, <, > */ DCMeta.prototype.escEntVal = function(val){ if(this.escEnt) return ((val.replace(/&/g,'&')).replace(//g,'>'); else return val; } /** * Checks date format, and suggest if necessary. msg should be * defined in calling XHTML document according to its language. */ DCMeta.prototype.dateCheck = function(d){ if(! d.value.match(/^\d{4}-\d{2}-\d{2}/)){ alert(this.msg['dateAlert']); d.focus(); d.select(); } } //--------------- input form generation on XHTML page DCMeta.prototype.addFlds = function(type){ if(type =='auto') if(! this.fmeta.autoAddFld.checked) return; var val = this.fmeta.dcflds.value; if(val=='') return; if(val.charAt(0) == '@'){ var pfx = val.substr(1); var i, vocab = this.vocab[pfx]; var varray = vocab.split(':'); for(i=0;i0){ infld.setAttribute("name",elt); }else if(elt.charCodeAt(0) > 96){ infld.setAttribute("name","dcq:" + elt); }else{ infld.setAttribute("name","dc:" + elt.toLowerCase()); } infld.setAttribute("size","40"); if(defval){ infld.setAttribute("value",defval); }else if(elt == 'Identifier' && this.fmeta.fMuri.value){ infld.setAttribute("value",this.fmeta.fMuri.value); }else if(this.dcdef[elt]){ infld.setAttribute("value",this.dcdef[elt]); }else if(fldar[iDefval]){ infld.setAttribute("value",fldar[iDefval]); }else if(fldar[iRange]){ infld.setAttribute("value","http://"); } var td2 = document.createElement("td"); td2.appendChild(infld); var td3 = document.createElement("td"); td3.className = "expl"; td3.appendChild(document.createTextNode(desc)); tr.appendChild(td1); tr.appendChild(td2); tr.appendChild(td3); tbl.appendChild(tr); infld.focus(); infld.select(); return false; } DCMeta.prototype.saveFlds = function(){ var tbs = new Array('tb1', 'tb2'), mdata; var x, tgname, saveres = ''; for(i=0;i 0) ? tmp.item(0).getAttribute('href') : document.getElementById('fMuri').value; baseUri = prompt(this.msg['baseUri'],baseUri); } this.setBaseUri(baseUri); //clean up form if(! ge.isOpera && ! ge.isMacIE) this.fmeta.resetFMeta.click(); //Opera behaves odd this.removeChilds('tb1');this.removeChilds('tb2'); location = '#metadata'; // parse data and fill input form document.getElementById('fMuri').value = baseUri; tmp = tmpHtmlDiv.getElementsByTagName(aEltnm['title']); if(tmp.length > 0) document.getElementById('fMtitle').value = tmp.item(0).firstChild.data; tmp = tmpHtmlDiv.getElementsByTagName(aEltnm['head']).item(0); var link = tmp.getElementsByTagName(aEltnm['link']); var meta = tmp.getElementsByTagName(aEltnm['meta']); var addr = tmpHtmlDiv.getElementsByTagName('address'); // proc address patMod = new RegExp("(modified" + this.msg['modDate'] + "):?\\s*(\\\$Date: )?([\\d\\/:\\w -]+)","i"); patCopy = new RegExp("(Copyright|©|\\xA9|\\(c\\)):?\s?(.*)","i"); for(i=0;i 0) this.addOne('tb1','Subject',aTemp[j]); else document.getElementById('fMsubject').value = aTemp[j]; } break; case 'description' : case 'abstract' : document.getElementById('fMdescr').value = propVal; break; case 'content-type' : this.addOne('tb2','Format',propVal); break; case 'content-language' : this.addOne('tb2','Language',propVal); break; case 'date': document.getElementById('fMdate').value = propVal; break; case 'last-modified': case 'wwwc': document.getElementById('fMmodified').value = propVal; break; case 'copyright': case 'rights': this.addOne('tb2','Rights',propVal); break; case 'format': case 'contributor': case 'language': case 'coverage': case 'relation': case 'source': case 'type': this.addOne('tb2',this.ucFirst(propName),propVal); break; } } tmpHtmlDiv.innerHTML = ''; this.disableDemo(); } DCMeta.prototype.removeChilds = function(target){ //IE doesn't allow innerHTML for table constructs var tg = document.getElementById(target); while(tg.childNodes.length > 0){ tg.removeChild(tg.lastChild); } } DCMeta.prototype.setBaseUri = function(bUri){ bUri = bUri.substr(7); this.aBuri = bUri.split('/'); this.lenBuriArray = this.aBuri.length; } DCMeta.prototype.resolveRelUri = function(relUri){ if(relUri.substr(0,5) == 'http:') return relUri; if(relUri.charAt(0)=='/') return 'http://' + this.aBuri[0] + relUri; var aRelUri = relUri.split('/'); var len = this.lenBuriArray; var st=0;//st = (relUri.charAt(relUri.length-1)=='/') ? 0 : 1; var absUri = 'http://'; for(var i=0;i