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Using single argument for callback and string for projection

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This makes the asynchronous and synchronous versions of
readFeatures work with the same data structures, and leaves
projection handling outside the parsers.
This commit is contained in:
ahocevar
2013-07-24 22:19:21 +02:00
parent a4ceb41938
commit 109ec71877
6 changed files with 48 additions and 55 deletions
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36
src/ol/parser/featureparser.js
View File

@@ -8,19 +8,6 @@ goog.provide('ol.parser.StringFeatureParser');
goog.require('ol.Feature');
/**
* @typedef {{projection: ol.Projection}}
*/
ol.parser.ReadFeaturesMetadata;
/**
* @typedef {{features: Array.<ol.Feature>,
* metadata: ol.parser.ReadFeaturesMetadata}}
*/
ol.parser.ReadFeaturesResult;
/**
* @interface
@@ -78,9 +65,8 @@ ol.parser.AsyncStringFeatureParser = function() {};
/**
* @param {string} data String data.
* @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
* callback Callback which is called
* after parsing.
* @param {function(ol.parser.ReadFeaturesResult)} callback Callback which is
* called after parsing.
* @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
*/
ol.parser.AsyncStringFeatureParser.prototype.readFeaturesFromStringAsync =
@@ -96,9 +82,8 @@ ol.parser.AsyncObjectFeatureParser = function() {};
/**
* @param {Object} obj Object representing features.
* @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
* callback Callback which is called
* after parsing.
* @param {function(ol.parser.ReadFeaturesResult)} callback Callback which is
* called after parsing.
* @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
*/
ol.parser.AsyncObjectFeatureParser.prototype.readFeaturesFromObjectAsync =
@@ -111,7 +96,20 @@ ol.parser.AsyncObjectFeatureParser.prototype.readFeaturesFromObjectAsync =
ol.parser.ReadFeaturesCallback;
/**
* @typedef {{projection: ol.ProjectionLike}}
*/
ol.parser.ReadFeaturesMetadata;
/**
* @typedef {{callback: ol.parser.ReadFeaturesCallback}}
*/
ol.parser.ReadFeaturesOptions;
/**
* @typedef {{features: Array.<ol.Feature>,
* metadata: ol.parser.ReadFeaturesMetadata}}
*/
ol.parser.ReadFeaturesResult;

5
src/ol/parser/geojson.js
View File

@@ -16,7 +16,6 @@ goog.require('ol.geom.SharedVertices');
goog.require('ol.parser.Parser');
goog.require('ol.parser.ReadFeaturesOptions');
goog.require('ol.parser.StringFeatureParser');
goog.require('ol.proj');
@@ -65,7 +64,7 @@ ol.parser.GeoJSON.prototype.readFeaturesWithMetadataFromString =
function(str, opt_options) {
var json = /** @type {GeoJSONFeatureCollection} */ (JSON.parse(str));
return {features: this.parseFeatureCollection_(json, opt_options),
metadata: {projection: ol.proj.get('EPSG:4326')}};
metadata: {projection: 'EPSG:4326'}};
};
@@ -79,7 +78,7 @@ ol.parser.GeoJSON.prototype.readFeaturesWithMetadataFromString =
ol.parser.GeoJSON.prototype.readFeaturesWithMetadataFromObject =
function(object, opt_options) {
return {features: this.parseFeatureCollection_(object, opt_options),
metadata: {projection: ol.proj.get('EPSG:4326')}};
metadata: {projection: 'EPSG:4326'}};
};

5
src/ol/parser/gpx.js
View File

@@ -12,7 +12,6 @@ goog.require('ol.parser.ObjectFeatureParser');
goog.require('ol.parser.ReadFeaturesOptions');
goog.require('ol.parser.StringFeatureParser');
goog.require('ol.parser.XML');
goog.require('ol.proj');
@@ -47,7 +46,6 @@ ol.parser.GPX = function(opt_options) {
'gpx': function(node, obj) {
if (!goog.isDef(obj.features)) {
obj.features = [];
obj.metadata = {projection: ol.proj.get('EPSG:4326')};
}
this.readChildNodes(node, obj);
},
@@ -245,7 +243,8 @@ ol.parser.GPX.prototype.read = function(data) {
if (data && data.nodeType == 9) {
data = data.documentElement;
}
var obj = {features: [], metadata: {projection: ol.proj.get('EPSG:4326')}};
var obj = /** @type {ol.parser.ReadFeaturesResult} */
({metadata: {projection: 'EPSG:4326'}});
this.readNode(data, obj);
return obj;
};

39
src/ol/parser/kml.js
View File

@@ -27,7 +27,6 @@ goog.require('ol.parser.DomFeatureParser');
goog.require('ol.parser.ReadFeaturesOptions');
goog.require('ol.parser.StringFeatureParser');
goog.require('ol.parser.XML');
goog.require('ol.proj');
goog.require('ol.style.Icon');
goog.require('ol.style.Line');
goog.require('ol.style.LineLiteral');
@@ -66,7 +65,6 @@ ol.parser.KML = function(opt_options) {
'kml': function(node, obj) {
if (!goog.isDef(obj.features)) {
obj.features = [];
obj.metadata = {projection: ol.proj.get('EPSG:4326')};
}
if (!goog.isDef(obj.links)) {
obj.links = [];
@@ -823,9 +821,8 @@ goog.inherits(ol.parser.KML, ol.parser.XML);
/**
* @param {Object} obj Object representing features.
* @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
* callback Callback which is called
* after parsing.
* @param {function(ol.parser.ReadFeaturesResult)} callback Callback which is
* called after parsing.
* @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
*/
ol.parser.KML.prototype.readFeaturesFromObjectAsync =
@@ -836,16 +833,15 @@ ol.parser.KML.prototype.readFeaturesFromObjectAsync =
/**
* @param {string} data String data.
* @param {function(Array.<ol.Feature>, ol.parser.ReadFeaturesMetadata)}
* callback Callback which is called
* after parsing.
* @param {string} str String data.
* @param {function(ol.parser.ReadFeaturesResult)}
* callback Callback which is called after parsing.
* @param {ol.parser.ReadFeaturesOptions=} opt_options Feature reading options.
*/
ol.parser.KML.prototype.readFeaturesFromStringAsync =
function(data, callback, opt_options) {
function(str, callback, opt_options) {
this.readFeaturesOptions_ = opt_options;
this.read(data, callback);
this.read(str, callback);
};
@@ -858,7 +854,7 @@ ol.parser.KML.prototype.readFeaturesFromStringAsync =
ol.parser.KML.prototype.readFeaturesWithMetadataFromString =
function(str, opt_options) {
this.readFeaturesOptions_ = opt_options;
return this.read(str);
return /** @type {ol.parser.ReadFeaturesResult} */ (this.read(str));
};
@@ -871,7 +867,7 @@ ol.parser.KML.prototype.readFeaturesWithMetadataFromString =
ol.parser.KML.prototype.readFeaturesWithMetadataFromNode =
function(node, opt_options) {
this.readFeaturesOptions_ = opt_options;
return this.read(node);
return /** @type {ol.parser.ReadFeaturesResult} */ (this.read(node));
};
@@ -883,7 +879,7 @@ ol.parser.KML.prototype.readFeaturesWithMetadataFromNode =
ol.parser.KML.prototype.readFeaturesWithMetadataFromObject =
function(obj, opt_options) {
this.readFeaturesOptions_ = opt_options;
return this.read(obj);
return /** @type {ol.parser.ReadFeaturesResult} */ (this.read(obj));
};
@@ -934,10 +930,11 @@ ol.parser.KML.prototype.parseLinks = function(deferreds, obj, done) {
/**
* @param {string|Document|Element|Object} data Data to read.
* @param {Function=} opt_callback Optional callback to call when reading
* is done.
* @return {ol.parser.ReadFeaturesResult} An object representing the
* document.
* @param {function(ol.parser.ReadFeaturesResult)=} opt_callback Optional
* callback to call when reading is done. If provided, this method will
* return undefined.
* @return {ol.parser.ReadFeaturesResult|undefined} An object representing the
* document if `opt_callback` was not provided.
*/
ol.parser.KML.prototype.read = function(data, opt_callback) {
if (goog.isString(data)) {
@@ -946,7 +943,8 @@ ol.parser.KML.prototype.read = function(data, opt_callback) {
if (data && data.nodeType == 9) {
data = data.documentElement;
}
var obj = {features: [], metadata: {projection: ol.proj.get('EPSG:4326')}};
var obj = /** @type {ol.parser.ReadFeaturesResult} */
({metadata: {projection: 'EPSG:4326'}});
this.readNode(data, obj);
if (goog.isDef(opt_callback)) {
var deferreds = [];
@@ -966,9 +964,8 @@ ol.parser.KML.prototype.read = function(data, opt_callback) {
}, this);
});
} else {
return /* ol.parser.ReadFeaturesResult */(obj);
return obj;
}
return {features: null, metadata: {projection: ol.proj.get('EPSG:4326')}};
};