-var MARGIN = {
+/*
+ *
+ * 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,
autor_utworu: 2,
nazwa_utworu: 2,
dzielo_nadrzedne: 2,
+
didaskalia: 2,
motto_podpis: 2,
naglowek_listy: 2,
-
kwestia: 1,
- lista_osoba: 1
-}
-
-MARGIN['rdf:RDF'] = 3;
-MARGIN['rdf:Description'] = 2;
+ lista_osoba: 1,
+
+ "podpis": 1,
+ "wers": 0,
+ "wers_cd": 0,
+ "wers_akap": 0,
+ "wers_wciety": 0,
+
+ "rdf:RDF": 3,
+ "rdf:Description": 1,
+};
-function elementType(element) {
- if ($.inArray(element.tagName, ['akap', 'akap_cd', 'akap_dialog', 'strofa', 'didaskalia', 'wers', 'wers_cd', 'wers_akap', 'wers_wciety', 'autor_utworu', 'nazwa_utworu', 'dzielo_nadrzedne', 'podpis'])) {
- return 'inline';
- } else {
- return 'block';
- }
+function getPadding(name) {
+
+ if(name.match(/^dc:.*$/))
+ return -1;
+
+ if(PADDING[name])
+ return PADDING[name];
+
+ return 0;
}
-// Serializuje XML, wstawiając odpowiednie ilości białych znaków między elementami
-function serialize(element, mode) {
- if (!mode) {
- mode = 'block';
- }
-
- if (element.nodeType == 3) { // tekst
- if (mode == 'block') {
- return [$.trim(element.nodeValue)];
- } else {
- return [element.nodeValue];
- }
- } else if (element.nodeType != 1) { // pomijamy węzły nie będące elementami XML ani tekstem
- return [];
- }
-
- var result = [];
- var hasContent = false;
-
- if (MARGIN[element.tagName]) {
- for (var i=0; i < MARGIN[element.tagName]; i++) {
- result.push('\n');
- };
- } else if (element.tagName.indexOf('dc:') != -1) {
- result.push('\n');
- }
-
- result.push('<');
- result.push(element.tagName);
-
- // Mozilla nie uważa deklaracji namespace za atrybuty
- var ns = element.tagName.indexOf(':');
- if (ns != -1 && $.browser.mozilla) {
- result.push(' xmlns:');
- result.push(element.tagName.substring(0, ns));
- result.push('="');
- result.push(element.namespaceURI);
- result.push('"');
- }
-
- if (element.attributes) {
- for (var i=0; i < element.attributes.length; i++) {
- var attr = element.attributes[i];
- result.push(' ');
- result.push(attr.name);
- result.push('="');
- result.push(attr.value);
- result.push('"');
- hasContent = true;
- }
- }
-
- if (element.childNodes.length == 0) {
- result.push(' />');
- } else {
- result.push('>');
-
- for (var i=0; i < element.childNodes.length; i++) {
- result = result.concat(serialize(element.childNodes[i],
- mode == 'inline' ? 'inline' : elementType(element.childNodes[i])));
- }
+function HTMLSerializer() {
+ // empty constructor
+}
- result.push('</');
- result.push(element.tagName);
- result.push('>');
- }
-
- return result;
-};
-function createXSLT(xsl) {
- var p = new XSLTProcessor();
- p.importStylesheet(xsl);
- return p;
+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
+ });
+}
-var xml2htmlStylesheet = null;
-var html2xmlStylesheet = null;
-
+HTMLSerializer.prototype._pushChildren = function(element) {
+ for(var i = element.childNodes.length-1; i >= 0; i--)
+ this._pushElement(element.childNodes.item(i));
+}
-// Wykonuje block z załadowanymi arkuszami stylów
-function withStylesheets(block, onError) {
- if (xml2htmlStylesheet && html2xmlStylesheet) {
- block();
- return;
- }
- $.blockUI({message: 'Ładowanie arkuszy stylów...'});
- $.ajax({
- url: '/static/xsl/wl2html_client.xsl',
- dataType: 'xml',
- success: function(data) {
- xml2htmlStylesheet = createXSLT(data);
- $.ajax({
- url: '/static/xsl/html2wl_client.xsl',
- dataType: 'xml',
- success: function(data) {
- html2xmlStylesheet = createXSLT(data);
- $.unblockUI();
- block();
- },
- error: onError
- })
- },
- error: onError
- })
+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');
+}
-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);
- error = $('parsererror', doc);
- }
-
- if (error.length > 0 && options.error) {
- options.error(error.text());
- } else {
- options.success(doc.firstChild);
- }
- }, function() { options.error && options.success('Nie udało się załadować XSLT'); });
+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(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});
+};
-function html2xml(options) {
- withStylesheets(function() {
- var xml = options.xml;
- var parser = new DOMParser();
- var serializer = new XMLSerializer();
- var doc = parser.parseFromString(xml, 'text/xml');
- var error = $('parsererror', doc.documentElement);
-
- if (error.length == 0) {
- doc = html2xmlStylesheet.transformToDocument(doc, document);
- error = $('parsererror', doc.documentElement);
- }
-
- if (error.length > 0 && options.error) {
- options.error(error.text());
- console.log(error);
- $('#source-editor').html('<p>Wystąpił błąd:</p>' + error.text());
- } else {
- options.success(serialize(doc.documentElement).join(''));
- }
- }, function() { options.error && options.success('Nie udało się załadować XSLT'); });
+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
fnp / redakcja.git / blobdiff