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Add ol.format.KML#readName

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This commit is contained in:
Tom Payne
2013-12-19 13:06:18 +01:00
parent fd5924dd13
commit 33bf2b746f
2 changed files with 109 additions and 0 deletions
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50
src/ol/format/kmlformat.js
View File

@@ -14,6 +14,7 @@ goog.require('goog.Uri');
goog.require('goog.array');
goog.require('goog.asserts');
goog.require('goog.dom.NodeType');
goog.require('goog.dom.xml');
goog.require('goog.math');
goog.require('goog.object');
goog.require('goog.string');
@@ -1343,6 +1344,55 @@ ol.format.KML.prototype.readFeaturesFromNode = function(node) {
};
/**
* @param {Document|Node|string} source Souce.
* @return {string|undefined} Name.
*/
ol.format.KML.prototype.readName = function(source) {
if (source instanceof Node) {
return this.readNameFromNode(source);
} else if (goog.isString(source)) {
var doc = goog.dom.xml.loadXml(source);
return this.readNameFromNode(doc);
} else {
goog.asserts.fail();
return undefined;
}
};
/**
* @param {Node} node Node.
* @return {string|undefined} Name.
*/
ol.format.KML.prototype.readNameFromNode = function(node) {
var n;
for (n = node.firstChild; !goog.isNull(n); n = n.nextSibling) {
if (n.nodeType == goog.dom.NodeType.ELEMENT &&
goog.array.indexOf(
ol.format.KML.NAMESPACE_URIS_, n.namespaceURI) != -1 &&
n.localName == 'name') {
return ol.format.KML.readString_(n);
}
}
for (n = node.firstChild; !goog.isNull(n); n = n.nextSibling) {
if (n.nodeType == goog.dom.NodeType.ELEMENT &&
goog.array.indexOf(
ol.format.KML.NAMESPACE_URIS_, n.namespaceURI) != -1 &&
(n.localName == 'Document' ||
n.localName == 'Folder' ||
n.localName == 'Placemark' ||
n.localName == 'kml')) {
var name = this.readNameFromNode(n);
if (goog.isDef(name)) {
return name;
}
}
}
return undefined;
};
/**
* @inheritDoc
*/

59
test/spec/ol/format/kmlformat.test.js
View File

@@ -1292,6 +1292,65 @@ describe('ol.format.KML', function() {
});
describe('#readName', function() {
it('returns undefined if there is no name', function() {
var kml =
'<kml xmlns="http://www.opengis.net/kml/2.2">' +
' <Document>' +
' <Folder>' +
' <Placemark/>' +
' </Folder>' +
' <Document>' +
'</kml>';
expect(format.readName(kml)).to.be(undefined);
});
it('returns the name of the first Document', function() {
var kml =
'<kml xmlns="http://www.opengis.net/kml/2.2">' +
' <Document>' +
' <name>Document name</name>' +
' </Document>' +
'</kml>';
expect(format.readName(kml)).to.be('Document name');
});
it('returns the name of the first Folder', function() {
var kml =
'<kml xmlns="http://www.opengis.net/kml/2.2">' +
' <Folder>' +
' <name>Folder name</name>' +
' </Folder>' +
'</kml>';
expect(format.readName(kml)).to.be('Folder name');
});
it('returns the name of the first Placemark', function() {
var kml =
'<kml xmlns="http://www.opengis.net/kml/2.2">' +
' <Placemark>' +
' <name>Placemark name</name>' +
' </Placemark>' +
'</kml>';
expect(format.readName(kml)).to.be('Placemark name');
});
it('searches breadth-first', function() {
var kml =
'<kml xmlns="http://www.opengis.net/kml/2.2">' +
' <Document>' +
' <Placemark>' +
' <name>Placemark name</name>' +
' </Placemark>' +
' <name>Document name</name>' +
' </Document>' +
'</kml>';
expect(format.readName(kml)).to.be('Document name');
});
});
});