}
/* USEFULL CONSTANTS */
-const ELEMENT_NODE = 1;
+const ELEMENT_NODE = 1;
const ATTRIBUTE_NODE = 2;
const TEXT_NODE = 3;
const CDATA_SECTION_NODE = 4;
NS_PREFIXES[NAMESPACES[prefix]] = prefix
};
-function HTMLSerializer() {
- // empty constructor
-}
-
-
-
-HTMLSerializer.prototype._prepare = function() {
+class HTMLSerializer {
+ _prepare() {
this.stack = [];
// XML namespace is implicit
this.result = "";
this.nsCounter = 1;
-}
+ }
-HTMLSerializer.prototype._pushElement = function(element) {
+ _pushElement(element) {
this.stack.push({
- "type": ELEM_START,
- "node": element
+ "type": ELEM_START,
+ "node": element
});
-}
+ }
-HTMLSerializer.prototype._pushChildren = function(element) {
+ _pushChildren(element) {
for(var i = element.childNodes.length-1; i >= 0; i--)
- this._pushElement(element.childNodes.item(i));
-}
+ this._pushElement(element.childNodes.item(i));
+ }
-HTMLSerializer.prototype._pushTagEnd = function(tagName) {
+ _pushTagEnd(tagName) {
this.stack.push({
- "type": ELEM_END,
- "tagName": tagName
+ "type": ELEM_END,
+ "tagName": tagName
});
-}
+ }
-HTMLSerializer.prototype._verseBefore = function(node) {
- /* true if previous element is a previous verse of a stanza */
- var parent = node.parentNode;
- if (!parent || !parent.hasAttribute('x-node') || parent.getAttribute('x-node') != 'strofa')
- return false;
+ _verseBefore(node) {
+ /* true if previous element is a previous verse of a stanza */
+ var parent = node.parentNode;
+ if (!parent || !parent.hasAttribute('x-node') || parent.getAttribute('x-node') != 'strofa')
+ return false;
var prev = node.previousSibling;
while((prev !== null) && (prev.nodeType != ELEMENT_NODE)) {
- prev = prev.previousSibling;
+ prev = prev.previousSibling;
}
return (prev !== null) && prev.hasAttribute('x-verse');
-}
+ }
-HTMLSerializer.prototype._nodeIgnored = function(node) {
- return node.getAttribute('x-auto-node') == 'true';
-}
+ _nodeIgnored(node) {
+ return node.getAttribute('x-auto-node') == 'true';
+ }
-HTMLSerializer.prototype._ignoredWithWhitespace = function(node) {
- while (node.nodeType == ELEMENT_NODE && this._nodeIgnored(node) && node.childNodes.length > 0)
- node = node.childNodes[0];
- if (node.nodeType == TEXT_NODE)
- return node.nodeValue.match(/^\s/)
- else return false;
-}
+ _ignoredWithWhitespace(node) {
+ while (node.nodeType == ELEMENT_NODE && this._nodeIgnored(node) && node.childNodes.length > 0)
+ node = node.childNodes[0];
+ if (node.nodeType == TEXT_NODE)
+ return node.nodeValue.match(/^\s/)
+ else return false;
+ }
-HTMLSerializer.prototype.serialize = function(rootElement, stripOuter)
-{
+ serialize(rootElement, stripOuter)
+ {
var self = this;
self._prepare();
-
+
if(!stripOuter)
- self._pushElement(rootElement);
+ self._pushElement(rootElement);
else
- self._pushChildren(rootElement);
-
- var text_buffer = '';
+ self._pushChildren(rootElement);
+
+ var text_buffer = '';
while(self.stack.length > 0) {
- var token = self.stack.pop();
-
- if(token.type === ELEM_END) {
- self.result += text_buffer;
- text_buffer = '';
- if (token.tagName != '')
- self.result += "</" + token.tagName + ">";
- 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')
- || token.node.hasAttribute('data-pass-thru')) {
- self._pushChildren(token.node);
- break;
- }
-
- if(!token.node.hasAttribute('x-node'))
- break;
-
- var xnode = token.node.getAttribute('x-node');
-
- if(xnode === 'out-of-flow-text') {
- self._pushChildren(token.node);
- break;
- }
+ var token = self.stack.pop();
+ if(token.type === ELEM_END) {
+ self.result += text_buffer;
+ text_buffer = '';
+ if (token.tagName != '')
+ self.result += "</" + token.tagName + ">";
+ 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')
+ || token.node.hasAttribute('data-pass-thru')) {
+ self._pushChildren(token.node);
+ break;
+ }
+
+ if(!token.node.hasAttribute('x-node'))
+ break;
+
+ var xnode = token.node.getAttribute('x-node');
+
+ if(xnode === 'out-of-flow-text') {
+ self._pushChildren(token.node);
+ break;
+ }
+
if(token.node.hasAttribute('x-verse') && self._verseBefore(token.node)) {
self.result += '/';
// add whitespace if there's none
if (!(text_buffer.match(/^\s/) || self._ignoredWithWhitespace(token.node)))
self.result += ' ';
}
-
+
self.result += text_buffer;
text_buffer = '';
- self._serializeElement(token.node);
- break;
- case TEXT_NODE:
- self.result += text_buffer;
- text_buffer = token.node.nodeValue.replace(/&/g, '&').replace(/</g, '<');
- break;
+ self._serializeElement(token.node);
+ break;
+ case TEXT_NODE:
+ self.result += text_buffer;
+ text_buffer = token.node.nodeValue.replace(/&/g, '&').replace(/</g, '<');
+ break;
case COMMENT_NODE:
self.result += text_buffer;
text_buffer = '';
self.result += '<!--' + token.node.nodeValue + '-->';
break;
- };
+ };
};
- self.result += text_buffer;
+ self.result += text_buffer;
return this.result;
-}
+ }
-/*
- * TODO: this doesn't support prefix redefinitions
- */
-HTMLSerializer.prototype._unassignNamespace = function(nsData) {
+ /*
+ * TODO: this doesn't support prefix redefinitions
+ */
+ _unassignNamespace(nsData) {
this.nsMap[nsData.uri] = undefined;
-};
+ }
-HTMLSerializer.prototype._assignNamespace = function(uri) {
+ _assignNamespace(uri) {
if(uri === null) {
- // default namespace
- return ({"prefix": "", "uri": "", "fresh": false});
+ // 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
- });
+ // 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) {
+ }
+
+ _join(prefix, name) {
if(!!prefix)
- return prefix + ":" + name;
+ return prefix + ":" + name;
return name;
-};
+ }
-HTMLSerializer.prototype._rjoin = function(prefix, name) {
+ _rjoin(prefix, name) {
if(!!name)
- return prefix + ":" + name;
+ return prefix + ":" + name;
return prefix;
-};
+ }
-HTMLSerializer.prototype._serializeElement = function(node) {
- var self = this;
+ _serializeElement(node) {
+ var self = this;
- if (self._nodeIgnored(node)) {
- self._pushTagEnd('');
- self._pushChildren(node);
- }
- else {
- var ns = node.getAttribute('x-ns');
- var nsPrefix = null;
- var newNamespaces = [];
+ if (self._nodeIgnored(node)) {
+ self._pushTagEnd('');
+ self._pushChildren(node);
+ }
+ else {
+ var ns = node.getAttribute('x-ns');
+ var nsPrefix = null;
+ var newNamespaces = [];
- var nsData = self._assignNamespace(node.getAttribute('x-ns'));
+ var nsData = self._assignNamespace(node.getAttribute('x-ns'));
- if(nsData.fresh) {
+ if(nsData.fresh) {
newNamespaces.push(nsData);
self.stack.push({
- "type": NS_END,
- "namespace": nsData
+ "type": NS_END,
+ "namespace": nsData
});
- }
-
- var tagName = self._join(nsData.prefix, node.getAttribute('x-node'));
-
- /* retrieve attributes */
- var attributeIDs = [];
- var attributes = [];
- for (var i = 0; i < node.attributes.length; i++) {
- var attr = node.attributes.item(i);
-
- m = attr.name.match(XATTR_KNOWN_RE);
- if (m !== null) {
- prefix = m[1];
- tag = m[2];
- attributes.push([
- NS_PREFIXES[prefix],
- tag,
- attr.value
- ]);
- } else {
- // check if name starts with "x-attr-name"
- var m = attr.name.match(XATTR_RE);
- if (m !== null) {
- attributeIDs.push(m[1]);
+ }
+
+ var tagName = self._join(nsData.prefix, node.getAttribute('x-node'));
+
+ /* retrieve attributes */
+ var attributeIDs = [];
+ var attributes = [];
+ for (var i = 0; i < node.attributes.length; i++) {
+ var attr = node.attributes.item(i);
+
+ m = attr.name.match(XATTR_KNOWN_RE);
+ if (m !== null) {
+ prefix = m[1];
+ let tag = m[2];
+ attributes.push([
+ NS_PREFIXES[prefix],
+ tag,
+ attr.value
+ ]);
+ } else {
+ // check if name starts with "x-attr-name"
+ var m = attr.name.match(XATTR_RE);
+ if (m !== null) {
+ attributeIDs.push(m[1]);
+ }
}
+ }
+
+ /* print out */
+
+ self.result += '<' + tagName;
+
+ function writeAttr(ns, tag, value) {
+ if (ns) {
+ var nsData = self._assignNamespace(ns);
+ if(nsData.fresh) {
+ newNamespaces.push(nsData);
+ self.stack.push({
+ "type": NS_END,
+ "namespace": nsData
+ });
+ };
+ tag = self._join(nsData.prefix, tag);
+ }
+
+ self.result += ' ' + tag;
+ self.result += '="' + value.replace(/&/g, '&').replace(/"/g, '"') + '"';
}
- };
-
- /* print out */
-
- self.result += '<' + tagName;
-
- function writeAttr(ns, tag, value) {
- if (ns) {
- var nsData = self._assignNamespace(ns);
- if(nsData.fresh) {
- newNamespaces.push(nsData);
- self.stack.push({
- "type": NS_END,
- "namespace": nsData
- });
- };
- tag = self._join(nsData.prefix, tag);
- }
-
- self.result += ' ' + tag;
- self.result += '="' + value.replace(/&/g, '&').replace(/"/g, '"') + '"';
- }
- $.each(attributes, function() {
- writeAttr(
- this[0], this[1], this[2]
- );
- });
+ $.each(attributes, function() {
+ writeAttr(
+ this[0], this[1], this[2]
+ );
+ });
- $.each(attributeIDs, function() {
- writeAttr(
- node.getAttribute('x-attr-ns-'+this),
- node.getAttribute('x-attr-name-'+this),
- node.getAttribute('x-attr-value-'+this)
- );
- });
+ $.each(attributeIDs, function() {
+ writeAttr(
+ node.getAttribute('x-attr-ns-'+this),
+ node.getAttribute('x-attr-name-'+this),
+ node.getAttribute('x-attr-value-'+this)
+ );
+ });
- /* print new namespace declarations */
- $.each(newNamespaces, function() {
+ /* print new namespace declarations */
+ $.each(newNamespaces, function() {
self.result += " " + self._rjoin("xmlns", this.prefix);
self.result += '="' + this.uri + '"';
- });
+ });
- if (node.childNodes.length > 0) {
+ if (node.childNodes.length > 0) {
self.result += ">";
self._pushTagEnd(tagName);
self._pushChildren(node);
- }
- else {
+ }
+ 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)
- }
+ try {
+ var s = new HTMLSerializer();
+ params.success( s.serialize(params.element, params.stripOuter) );
+ } catch(e) {
+ params.error("Nie udało się zserializować tekstu:" + e)
+ }
}
fnp / redakcja.git / blobdiff