X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/0fd55a38c4873d5916a3553d7510b9308f4eee6d..03c5ba6e50339d7bc470eb6d7f051483eff1e96b:/platforma/static/js/wiki/xslt.js

diff --git a/platforma/static/js/wiki/xslt.js b/platforma/static/js/wiki/xslt.js
new file mode 100644
index 00000000..566b0a80
--- /dev/null
+++ b/platforma/static/js/wiki/xslt.js
@@ -0,0 +1,378 @@
+/*
+ * 
+ * XSLT STUFF
+ * 
+ */
+function createXSLT(xsl) {
+    var p = new XSLTProcessor();
+    p.importStylesheet(xsl);
+    return p;
+}
+
+var xml2htmlStylesheet = null;
+
+// Wykonuje block z załadowanymi arkuszami stylów
+function withStylesheets(code_block, onError) 
+{	
+    if (!xml2htmlStylesheet) {
+    	$.blockUI({message: 'Ładowanie arkuszy stylów...'});
+    	$.ajax({
+        	url: STATIC_URL + 'xsl/wl2html_client.xsl',
+        	dataType: 'xml',
+        	success: function(data) {
+            	xml2htmlStylesheet = createXSLT(data);
+                $.unblockUI();
+				code_block();
+                 
+            },
+			error: onError
+        })
+    }
+	else {
+		code_block();
+	}
+}
+
+
+function xml2html(options) {
+    withStylesheets(function() {
+        var xml = options.xml.replace(/\/\s+/g, '<br />');				
+        var parser = new DOMParser();
+        var serializer = new XMLSerializer();
+        var doc = parser.parseFromString(xml, 'text/xml');		
+        var error = $('parsererror', doc);
+        
+        if (error.length == 0) {
+            doc = xml2htmlStylesheet.transformToFragment(doc, document);
+			console.log(doc.firstChild);
+			
+			if(doc.firstChild === null) {
+				options.error("Błąd w przetwarzaniu XML.");
+				return;
+			}
+				
+            error = $('parsererror', doc);
+        }
+        
+        if (error.length > 0 && options.error) {
+            options.error(error.text());
+        } else {			
+            options.success(doc.firstChild);
+        }
+    }, function() { options.error && options.error('Nie udało się załadować XSLT'); });
+}
+
+/* USEFULL CONSTANTS */
+const ELEMENT_NODE 					 = 1;
+const ATTRIBUTE_NODE                 = 2;
+const TEXT_NODE                      = 3;
+const CDATA_SECTION_NODE             = 4;
+const ENTITY_REFERENCE_NODE          = 5;
+const ENTITY_NODE                    = 6;
+const PROCESSING_INSTRUCTION_NODE    = 7;
+const COMMENT_NODE                   = 8;
+const DOCUMENT_NODE                  = 9;
+const DOCUMENT_TYPE_NODE             = 10;
+const DOCUMENT_FRAGMENT_NODE         = 11;
+const NOTATION_NODE                  = 12;
+const XATTR_RE = /^x-attr-name-(.*)$/;
+
+const ELEM_START = 1;
+const ELEM_END = 2;
+const NS_END = 3;
+
+const NAMESPACES = {
+	// namespaces not listed here will be assigned random names
+	"http://www.w3.org/1999/02/22-rdf-syntax-ns#": "rdf",
+	"http://purl.org/dc/elements/1.1/": "dc",
+	"http://www.w3.org/XML/1998/namespace": "xml"
+};
+
+/*
+ * PADDING for pretty-printing
+ */
+const PADDING = {
+    dramat_wierszowany_l: 4,
+    dramat_wierszowany_lp: 4,
+    dramat_wspolczesny: 4,
+    wywiad: 4,
+    opowiadanie: 4,
+    powiesc: 4,
+    liryka_l: 4,
+    liryka_lp: 4,
+    naglowek_czesc: 4,
+    naglowek_akt: 4,
+    naglowek_rozdzial: 4,
+    naglowek_osoba: 4,
+    lista_osob: 4,
+    
+    akap: 3,
+    akap_cd: 3,
+    akap_dialog: 3,
+    strofa: 3,
+    motto: 3, 
+    miejsce_czas: 3,
+        
+    autor_utworu: 2,
+    nazwa_utworu: 2,
+    dzielo_nadrzedne: 2,
+	
+    didaskalia: 2,
+    motto_podpis: 2,
+    naglowek_listy: 2,
+    kwestia: 1,
+    lista_osoba: 1,
+	
+	"podpis": 1,	
+	"wers": 0,
+	"wers_cd": 0,
+	"wers_akap": 0,
+	"wers_wciety": 0,	
+	
+	"rdf:RDF": 3,
+	"rdf:Description": 1,	
+};
+
+function getPadding(name) {
+	
+	if(name.match(/^dc:.*$/))
+		return -1;
+	
+	if(PADDING[name])
+		return PADDING[name];
+		
+	return 0;
+}
+
+function HTMLSerializer() {	
+	// empty constructor
+}
+
+
+
+HTMLSerializer.prototype._prepare = function() {
+	this.stack = [];
+	
+	// XML namespace is implicit
+	this.nsMap = {"http://www.w3.org/XML/1998/namespace": "xml"};
+		
+	this.result = "";
+	this.nsCounter = 1;	
+}
+
+HTMLSerializer.prototype._pushElement = function(element) {
+	this.stack.push({
+		"type": ELEM_START,
+		"node": element
+	});	
+}
+
+HTMLSerializer.prototype._pushChildren = function(element) {
+	for(var i = element.childNodes.length-1; i >= 0; i--)
+		this._pushElement(element.childNodes.item(i));					
+}
+
+HTMLSerializer.prototype._pushTagEnd = function(tagName) {
+	this.stack.push({
+		"type": ELEM_END,
+		"tagName": tagName
+	});	
+}
+
+HTMLSerializer.prototype._verseBefore = function(node) {
+	var prev = node.previousSibling;
+	
+	while((prev !== null) && (prev.nodeType != ELEMENT_NODE)) {
+		prev = prev.previousSibling;
+	}	
+		
+	return (prev !== null) && prev.hasAttribute('x-verse');
+}
+
+HTMLSerializer.prototype.serialize = function(rootElement, stripOuter) 
+{
+	var self = this;
+	self._prepare();
+	
+	if(!stripOuter)
+		self._pushElement(rootElement);
+	else	
+		self._pushChildren(rootElement);
+	
+	while(self.stack.length > 0) {
+		var token = self.stack.pop();
+						
+		if(token.type === ELEM_END) {
+			self.result += "</" + token.tagName + ">";			 		
+			for(var padding = getPadding(token.tagName); padding > 0; padding--) {			
+				self.result += "\n";			
+			}
+			continue;
+		};
+		
+		if(token.type === NS_END) {
+			self._unassignNamespace(token.namespace);
+			continue;
+		} 
+		
+		
+		switch(token.node.nodeType) {
+			case ELEMENT_NODE:
+				if(token.node.hasAttribute('x-pass-thru')) {
+					self._pushChildren(token.node);
+					break;
+				}
+				
+				if(!token.node.hasAttribute('x-node'))
+					break;
+					
+				var xnode = token.node.getAttribute('x-node');
+				
+				if(xnode === 'wers') {
+					/* push children */
+					if(self._verseBefore(token.node))
+						self.result += '/\n';
+					self._pushChildren(token.node);
+					break;					
+				};					
+				
+				if(xnode === 'out-of-flow-text') {
+					self._pushChildren(token.node);
+					break;										
+				}
+				
+				if(token.node.hasAttribute('x-verse') && self._verseBefore(token.node)) {
+					self.result += '/\n';					
+				};
+					
+				self._serializeElement(token.node);
+				break;
+			case TEXT_NODE:
+				self.result += token.node.nodeValue;
+				break;
+		};
+	};
+	
+	return this.result;
+}
+
+/*
+ * TODO: this doesn't support prefix redefinitions
+ */
+HTMLSerializer.prototype._unassignNamespace = function(nsData) {
+	this.nsMap[nsData.uri] = undefined;
+};
+	
+HTMLSerializer.prototype._assignNamespace = function(uri) {
+	if(uri === null) {
+		// default namespace
+		return ({"prefix": "", "uri": "", "fresh": false});
+	}
+	
+	if(this.nsMap[uri] === undefined) {
+		// this prefix hasn't been defined yet in current context	
+		var prefix = NAMESPACES[uri];
+		
+		if (prefix === undefined) { // not predefined
+			prefix = "ns" + this.nsCounter;
+			this.nsCounter += 1;
+		}
+		
+		this.nsMap[uri] = prefix;		
+		return ({
+			"prefix": prefix,
+			"uri": uri,
+			"fresh": true
+		});			
+	}	
+		
+	return ({"prefix": this.nsMap[uri], "uri": uri, "fresh": false});		
+};
+
+HTMLSerializer.prototype._join = function(prefix, name) {
+	if(!!prefix) 
+		return prefix + ":" + name;
+	return name;	
+};
+
+HTMLSerializer.prototype._rjoin = function(prefix, name) {
+	if(!!name) 
+		return prefix + ":" + name;
+	return prefix;	
+};
+ 					
+HTMLSerializer.prototype._serializeElement = function(node) {
+	var self = this;
+		
+	var ns = node.getAttribute('x-ns');
+	var nsPrefix = null;
+	var newNamespaces = [];
+	
+	var nsData = self._assignNamespace(node.getAttribute('x-ns'));
+	
+	if(nsData.fresh) {
+		newNamespaces.push(nsData);
+		self.stack.push({
+			"type": NS_END,
+			"namespace": nsData
+		});
+	} 					
+	
+	var tagName = self._join(nsData.prefix, node.getAttribute('x-node'));
+				
+	/* retrieve attributes */
+	var attributeIDs = [];
+	for (var i = 0; i < node.attributes.length; i++) {
+		var attr = node.attributes.item(i);
+		
+		// check if name starts with "x-attr-name"
+		var m = attr.name.match(XATTR_RE);
+		if (m !== null) 
+			attributeIDs.push(m[1]);				
+	};
+				
+	/* print out */
+	if (getPadding(tagName))
+		self.result += '\n';
+		
+	self.result += '<' + tagName;	
+					
+	$.each(attributeIDs, function() {
+		var nsData = self._assignNamespace(node.getAttribute('x-attr-ns-'+this));
+	
+		if(nsData.fresh) {
+			newNamespaces.push(nsData);
+			self.stack.push({
+				"type": NS_END,
+				"namespace": nsData
+			});
+		};
+															
+		self.result += ' ' + self._join(nsData.prefix, node.getAttribute('x-attr-name-'+this));
+		self.result += '="'+node.getAttribute('x-attr-value-'+this) +'"';
+	});
+	
+	/* print new namespace declarations */
+	$.each(newNamespaces, function() {
+		self.result += " " + self._rjoin("xmlns", this.prefix);
+		self.result += '="' + this.uri + '"';		
+	});					
+	
+	if (node.childNodes.length > 0) {
+		self.result += ">";
+		self._pushTagEnd(tagName);
+		self._pushChildren(node);
+	}
+	else {
+		self.result += "/>";
+	};
+};
+
+function html2text(params) {	
+	try {
+		var s = new HTMLSerializer();
+		params.success( s.serialize(params.element, params.stripOuter) );
+	} catch(e) {
+		params.error("Nie udało się zserializować tekstu:" + e)
+	}    	
+}
\ No newline at end of file