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node_modules/json-edm-parser/parser.js

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+// The MIT License (MIT)
+//
+// Copyright (c) 2016 Yang Xia
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+'use strict';
+
+var util = require('util');
+var JsonParser = require('jsonparse');
+
+exports = module.exports;
+util.inherits(Parser, JsonParser);
+
+/**
+* Parser Instructor
+*/
+function Parser() {
+  this.internalParser = new JsonParser();
+  this.originalOnToken = this.internalParser.onToken;
+  this.internalParser.onToken = onToken.bind(this);
+  return this.internalParser;
+}
+
+/**
+* Handles the EDM types in the JSON object
+*   1. Number will be treated as Edm.Int32 by default
+*   2. Literal value 1.0 will be treated as Edm.Double
+*   3. Others will be handled according to the literal value
+*/
+var onToken = function (token, value) {
+  var self = this;
+  var emitString = false;
+  function additionalEmit(additionalKey, additionalValue) {
+    var oldKey = self.internalParser.key;
+    self.internalParser.key = additionalKey;
+    self.internalParser.onValue(additionalValue);
+    self.internalParser.key = oldKey;
+  }
+
+  if (token === JsonParser.C.STRING ||
+  token === JsonParser.C.NUMBER ||
+  token === JsonParser.C.TRUE ||
+  token === JsonParser.C.FALSE ||
+  token === JsonParser.C.NULL) {
+    // Parser will emit value in these cases
+    if (typeof value === 'number' && 
+    this.internalParser.string.indexOf('.') != -1 && 
+    parseInt(this.internalParser.string) === value &&
+    this.internalParser.mode !== JsonParser.C.ARRAY) {
+      var typeKey = this.internalParser.key + '@odata.type';
+      if (this.internalParser.value) {
+        this.internalParser.value[typeKey] = 'Edm.Double';
+      }
+      additionalEmit(typeKey, 'Edm.Double');
+      
+      // Determine whether return raw string to avoid losing precision
+      emitString = this.internalParser.string !== value.toString();
+    }
+  }
+  if (emitString) {
+    this.originalOnToken.call(this.internalParser, token, this.internalParser.string);
+  } else {
+    this.originalOnToken.call(this.internalParser, token, value);
+  }
+};
+
+Parser.C = JsonParser.C;
+module.exports = Parser;