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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Format/WKT.js')
| -rw-r--r-- | misc/openlayers/lib/OpenLayers/Format/WKT.js | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Format/WKT.js b/misc/openlayers/lib/OpenLayers/Format/WKT.js deleted file mode 100644 index a7a7b2e..0000000 --- a/misc/openlayers/lib/OpenLayers/Format/WKT.js +++ /dev/null @@ -1,392 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - -/** - * @requires OpenLayers/Format.js - * @requires OpenLayers/Feature/Vector.js - * @requires OpenLayers/Geometry/Point.js - * @requires OpenLayers/Geometry/MultiPoint.js - * @requires OpenLayers/Geometry/LineString.js - * @requires OpenLayers/Geometry/MultiLineString.js - * @requires OpenLayers/Geometry/Polygon.js - * @requires OpenLayers/Geometry/MultiPolygon.js - */ - -/** - * Class: OpenLayers.Format.WKT - * Class for reading and writing Well-Known Text. Create a new instance - * with the <OpenLayers.Format.WKT> constructor. - * - * Inherits from: - * - <OpenLayers.Format> - */ -OpenLayers.Format.WKT = OpenLayers.Class(OpenLayers.Format, { - - /** - * Constructor: OpenLayers.Format.WKT - * Create a new parser for WKT - * - * Parameters: - * options - {Object} An optional object whose properties will be set on - * this instance - * - * Returns: - * {<OpenLayers.Format.WKT>} A new WKT parser. - */ - initialize: function(options) { - this.regExes = { - 'typeStr': /^\s*(\w+)\s*\(\s*(.*)\s*\)\s*$/, - 'spaces': /\s+/, - 'parenComma': /\)\s*,\s*\(/, - 'doubleParenComma': /\)\s*\)\s*,\s*\(\s*\(/, // can't use {2} here - 'trimParens': /^\s*\(?(.*?)\)?\s*$/ - }; - OpenLayers.Format.prototype.initialize.apply(this, [options]); - }, - - /** - * APIMethod: read - * Deserialize a WKT string and return a vector feature or an - * array of vector features. Supports WKT for POINT, MULTIPOINT, - * LINESTRING, MULTILINESTRING, POLYGON, MULTIPOLYGON, and - * GEOMETRYCOLLECTION. - * - * Parameters: - * wkt - {String} A WKT string - * - * Returns: - * {<OpenLayers.Feature.Vector>|Array} A feature or array of features for - * GEOMETRYCOLLECTION WKT. - */ - read: function(wkt) { - var features, type, str; - wkt = wkt.replace(/[\n\r]/g, " "); - var matches = this.regExes.typeStr.exec(wkt); - if(matches) { - type = matches[1].toLowerCase(); - str = matches[2]; - if(this.parse[type]) { - features = this.parse[type].apply(this, [str]); - } - if (this.internalProjection && this.externalProjection) { - if (features && - features.CLASS_NAME == "OpenLayers.Feature.Vector") { - features.geometry.transform(this.externalProjection, - this.internalProjection); - } else if (features && - type != "geometrycollection" && - typeof features == "object") { - for (var i=0, len=features.length; i<len; i++) { - var component = features[i]; - component.geometry.transform(this.externalProjection, - this.internalProjection); - } - } - } - } - return features; - }, - - /** - * APIMethod: write - * Serialize a feature or array of features into a WKT string. - * - * Parameters: - * features - {<OpenLayers.Feature.Vector>|Array} A feature or array of - * features - * - * Returns: - * {String} The WKT string representation of the input geometries - */ - write: function(features) { - var collection, geometry, isCollection; - if (features.constructor == Array) { - collection = features; - isCollection = true; - } else { - collection = [features]; - isCollection = false; - } - var pieces = []; - if (isCollection) { - pieces.push('GEOMETRYCOLLECTION('); - } - for (var i=0, len=collection.length; i<len; ++i) { - if (isCollection && i>0) { - pieces.push(','); - } - geometry = collection[i].geometry; - pieces.push(this.extractGeometry(geometry)); - } - if (isCollection) { - pieces.push(')'); - } - return pieces.join(''); - }, - - /** - * Method: extractGeometry - * Entry point to construct the WKT for a single Geometry object. - * - * Parameters: - * geometry - {<OpenLayers.Geometry.Geometry>} - * - * Returns: - * {String} A WKT string of representing the geometry - */ - extractGeometry: function(geometry) { - var type = geometry.CLASS_NAME.split('.')[2].toLowerCase(); - if (!this.extract[type]) { - return null; - } - if (this.internalProjection && this.externalProjection) { - geometry = geometry.clone(); - geometry.transform(this.internalProjection, this.externalProjection); - } - var wktType = type == 'collection' ? 'GEOMETRYCOLLECTION' : type.toUpperCase(); - var data = wktType + '(' + this.extract[type].apply(this, [geometry]) + ')'; - return data; - }, - - /** - * Object with properties corresponding to the geometry types. - * Property values are functions that do the actual data extraction. - */ - extract: { - /** - * Return a space delimited string of point coordinates. - * @param {OpenLayers.Geometry.Point} point - * @returns {String} A string of coordinates representing the point - */ - 'point': function(point) { - return point.x + ' ' + point.y; - }, - - /** - * Return a comma delimited string of point coordinates from a multipoint. - * @param {OpenLayers.Geometry.MultiPoint} multipoint - * @returns {String} A string of point coordinate strings representing - * the multipoint - */ - 'multipoint': function(multipoint) { - var array = []; - for(var i=0, len=multipoint.components.length; i<len; ++i) { - array.push('(' + - this.extract.point.apply(this, [multipoint.components[i]]) + - ')'); - } - return array.join(','); - }, - - /** - * Return a comma delimited string of point coordinates from a line. - * @param {OpenLayers.Geometry.LineString} linestring - * @returns {String} A string of point coordinate strings representing - * the linestring - */ - 'linestring': function(linestring) { - var array = []; - for(var i=0, len=linestring.components.length; i<len; ++i) { - array.push(this.extract.point.apply(this, [linestring.components[i]])); - } - return array.join(','); - }, - - /** - * Return a comma delimited string of linestring strings from a multilinestring. - * @param {OpenLayers.Geometry.MultiLineString} multilinestring - * @returns {String} A string of of linestring strings representing - * the multilinestring - */ - 'multilinestring': function(multilinestring) { - var array = []; - for(var i=0, len=multilinestring.components.length; i<len; ++i) { - array.push('(' + - this.extract.linestring.apply(this, [multilinestring.components[i]]) + - ')'); - } - return array.join(','); - }, - - /** - * Return a comma delimited string of linear ring arrays from a polygon. - * @param {OpenLayers.Geometry.Polygon} polygon - * @returns {String} An array of linear ring arrays representing the polygon - */ - 'polygon': function(polygon) { - var array = []; - for(var i=0, len=polygon.components.length; i<len; ++i) { - array.push('(' + - this.extract.linestring.apply(this, [polygon.components[i]]) + - ')'); - } - return array.join(','); - }, - - /** - * Return an array of polygon arrays from a multipolygon. - * @param {OpenLayers.Geometry.MultiPolygon} multipolygon - * @returns {String} An array of polygon arrays representing - * the multipolygon - */ - 'multipolygon': function(multipolygon) { - var array = []; - for(var i=0, len=multipolygon.components.length; i<len; ++i) { - array.push('(' + - this.extract.polygon.apply(this, [multipolygon.components[i]]) + - ')'); - } - return array.join(','); - }, - - /** - * Return the WKT portion between 'GEOMETRYCOLLECTION(' and ')' for an <OpenLayers.Geometry.Collection> - * @param {OpenLayers.Geometry.Collection} collection - * @returns {String} internal WKT representation of the collection - */ - 'collection': function(collection) { - var array = []; - for(var i=0, len=collection.components.length; i<len; ++i) { - array.push(this.extractGeometry.apply(this, [collection.components[i]])); - } - return array.join(','); - } - - }, - - /** - * Object with properties corresponding to the geometry types. - * Property values are functions that do the actual parsing. - */ - parse: { - /** - * Return point feature given a point WKT fragment. - * @param {String} str A WKT fragment representing the point - * @returns {OpenLayers.Feature.Vector} A point feature - * @private - */ - 'point': function(str) { - var coords = OpenLayers.String.trim(str).split(this.regExes.spaces); - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.Point(coords[0], coords[1]) - ); - }, - - /** - * Return a multipoint feature given a multipoint WKT fragment. - * @param {String} str A WKT fragment representing the multipoint - * @returns {OpenLayers.Feature.Vector} A multipoint feature - * @private - */ - 'multipoint': function(str) { - var point; - var points = OpenLayers.String.trim(str).split(','); - var components = []; - for(var i=0, len=points.length; i<len; ++i) { - point = points[i].replace(this.regExes.trimParens, '$1'); - components.push(this.parse.point.apply(this, [point]).geometry); - } - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.MultiPoint(components) - ); - }, - - /** - * Return a linestring feature given a linestring WKT fragment. - * @param {String} str A WKT fragment representing the linestring - * @returns {OpenLayers.Feature.Vector} A linestring feature - * @private - */ - 'linestring': function(str) { - var points = OpenLayers.String.trim(str).split(','); - var components = []; - for(var i=0, len=points.length; i<len; ++i) { - components.push(this.parse.point.apply(this, [points[i]]).geometry); - } - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.LineString(components) - ); - }, - - /** - * Return a multilinestring feature given a multilinestring WKT fragment. - * @param {String} str A WKT fragment representing the multilinestring - * @returns {OpenLayers.Feature.Vector} A multilinestring feature - * @private - */ - 'multilinestring': function(str) { - var line; - var lines = OpenLayers.String.trim(str).split(this.regExes.parenComma); - var components = []; - for(var i=0, len=lines.length; i<len; ++i) { - line = lines[i].replace(this.regExes.trimParens, '$1'); - components.push(this.parse.linestring.apply(this, [line]).geometry); - } - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.MultiLineString(components) - ); - }, - - /** - * Return a polygon feature given a polygon WKT fragment. - * @param {String} str A WKT fragment representing the polygon - * @returns {OpenLayers.Feature.Vector} A polygon feature - * @private - */ - 'polygon': function(str) { - var ring, linestring, linearring; - var rings = OpenLayers.String.trim(str).split(this.regExes.parenComma); - var components = []; - for(var i=0, len=rings.length; i<len; ++i) { - ring = rings[i].replace(this.regExes.trimParens, '$1'); - linestring = this.parse.linestring.apply(this, [ring]).geometry; - linearring = new OpenLayers.Geometry.LinearRing(linestring.components); - components.push(linearring); - } - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.Polygon(components) - ); - }, - - /** - * Return a multipolygon feature given a multipolygon WKT fragment. - * @param {String} str A WKT fragment representing the multipolygon - * @returns {OpenLayers.Feature.Vector} A multipolygon feature - * @private - */ - 'multipolygon': function(str) { - var polygon; - var polygons = OpenLayers.String.trim(str).split(this.regExes.doubleParenComma); - var components = []; - for(var i=0, len=polygons.length; i<len; ++i) { - polygon = polygons[i].replace(this.regExes.trimParens, '$1'); - components.push(this.parse.polygon.apply(this, [polygon]).geometry); - } - return new OpenLayers.Feature.Vector( - new OpenLayers.Geometry.MultiPolygon(components) - ); - }, - - /** - * Return an array of features given a geometrycollection WKT fragment. - * @param {String} str A WKT fragment representing the geometrycollection - * @returns {Array} An array of OpenLayers.Feature.Vector - * @private - */ - 'geometrycollection': function(str) { - // separate components of the collection with | - str = str.replace(/,\s*([A-Za-z])/g, '|$1'); - var wktArray = OpenLayers.String.trim(str).split('|'); - var components = []; - for(var i=0, len=wktArray.length; i<len; ++i) { - components.push(OpenLayers.Format.WKT.prototype.read.apply(this,[wktArray[i]])); - } - return components; - } - - }, - - CLASS_NAME: "OpenLayers.Format.WKT" -}); |