FlareJson.cs 29 KB

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  1. using System;
  2. using System.Collections;
  3. using System.Text;
  4. using System.Collections.Generic;
  5. using UnityEngine;
  6. // Source: UIToolkit -- https://github.com/prime31/UIToolkit/blob/master/Assets/Plugins/MiniJSON.cs
  7. // Based on the JSON parser from
  8. // http://techblog.procurios.nl/k/618/news/view/14605/14863/How-do-I-write-my-own-parser-for-JSON.html
  9. /// <summary>
  10. /// This class encodes and decodes JSON strings.
  11. /// Spec. details, see http://www.json.org/
  12. ///
  13. /// JSON uses Arrays and Objects. These correspond here to the datatypes ArrayList and Hashtable.
  14. /// All numbers are parsed to doubles.
  15. /// </summary>
  16. public class FlareJson
  17. {
  18. private const int TOKEN_NONE = 0;
  19. private const int TOKEN_CURLY_OPEN = 1;
  20. private const int TOKEN_CURLY_CLOSE = 2;
  21. private const int TOKEN_SQUARED_OPEN = 3;
  22. private const int TOKEN_SQUARED_CLOSE = 4;
  23. private const int TOKEN_COLON = 5;
  24. private const int TOKEN_COMMA = 6;
  25. private const int TOKEN_STRING = 7;
  26. private const int TOKEN_NUMBER = 8;
  27. private const int TOKEN_TRUE = 9;
  28. private const int TOKEN_FALSE = 10;
  29. private const int TOKEN_NULL = 11;
  30. private const int BUILDER_CAPACITY = 2000;
  31. /// <summary>
  32. /// On decoding, this value holds the position at which the parse failed (-1 = no error).
  33. /// </summary>
  34. protected static int lastErrorIndex = -1;
  35. protected static string lastDecode = "";
  36. public static Color decodeColor(Hashtable table){
  37. float r = float.Parse(table["r"].ToString());
  38. float g = float.Parse(table["g"].ToString());
  39. float b = float.Parse(table["b"].ToString());
  40. float a = float.Parse(table["a"].ToString());
  41. return new Color(r,g,b,a);
  42. }
  43. public static Vector4 decodeVector4(Hashtable table){
  44. float r = float.Parse(table["r"].ToString());
  45. float g = float.Parse(table["g"].ToString());
  46. float b = float.Parse(table["b"].ToString());
  47. float a = float.Parse(table["a"].ToString());
  48. return new Vector4(r,g,b,a);
  49. }
  50. public static Vector3 decodeVector3(Hashtable table){
  51. float r = float.Parse(table["r"].ToString());
  52. float g = float.Parse(table["g"].ToString());
  53. float b = float.Parse(table["b"].ToString());
  54. return new Vector4(r,g,b);
  55. }
  56. public static Vector2 decodeVector2(Hashtable table){
  57. float x = float.Parse(table["x"].ToString());
  58. float y = float.Parse(table["y"].ToString());
  59. return new Vector2(x,y);
  60. }
  61. public static AnimationCurve decodeAnimCurve(Hashtable table){
  62. AnimationCurve curve = new AnimationCurve ();
  63. foreach (System.Collections.DictionaryEntry key in table) {
  64. Hashtable keyTable = (Hashtable)table [key.Key];
  65. float time = float.Parse(keyTable["time"].ToString());
  66. float value = float.Parse(keyTable["value"].ToString());
  67. float _in = float.Parse(keyTable["in"].ToString());
  68. float _out = float.Parse(keyTable["out"].ToString());
  69. // float tangentMode = float.Parse(keyTable["tangentMode"].ToString());
  70. Keyframe newKey = new Keyframe(time,value,_in,_out);
  71. // newKey.tangentMode = tangentMode;
  72. curve.AddKey(newKey);
  73. }
  74. return curve;
  75. }
  76. public static bool decodeBool(string str){
  77. int num = int.Parse(str);
  78. if(num == 1)
  79. return true;
  80. else
  81. return false;
  82. }
  83. public static void LoadFlareData (ProFlare flare, TextAsset asset)
  84. {
  85. string jsonString = asset.text;
  86. // Debug.Log ("LoadFlareData");
  87. Hashtable decodedHash = jsonDecode (jsonString) as Hashtable;
  88. if (decodedHash == null) {
  89. Debug.LogWarning ("Unable to parse Json file: " + asset.name);
  90. return;
  91. }
  92. Hashtable meta = (Hashtable)decodedHash["meta"];
  93. flare.GlobalScale = float.Parse(meta["GlobalScale"].ToString());
  94. flare.GlobalBrightness = float.Parse(meta["GlobalBrightness"].ToString());
  95. flare.GlobalTintColor = FlareJson.decodeColor((Hashtable)meta["GlobalTintColor"]);
  96. flare.MultiplyScaleByTransformScale = FlareJson.decodeBool(meta["MultiplyScaleByTransformScale"].ToString());
  97. //Distance Fall off
  98. flare.useMaxDistance = FlareJson.decodeBool(meta["useMaxDistance"].ToString());
  99. flare.useDistanceScale = FlareJson.decodeBool(meta["useDistanceScale"].ToString());
  100. flare.useDistanceFade = FlareJson.decodeBool(meta["useDistanceFade"].ToString());
  101. flare.GlobalMaxDistance = float.Parse(meta["GlobalMaxDistance"].ToString());
  102. //Angle Culling Properties
  103. flare.UseAngleLimit = FlareJson.decodeBool(meta["UseAngleLimit"].ToString());
  104. flare.maxAngle = float.Parse(meta["maxAngle"].ToString());
  105. flare.UseAngleScale = FlareJson.decodeBool(meta["UseAngleScale"].ToString());
  106. flare.UseAngleBrightness = FlareJson.decodeBool(meta["UseAngleBrightness"].ToString());
  107. flare.UseAngleCurve = FlareJson.decodeBool(meta["UseAngleCurve"].ToString());
  108. flare.AngleCurve = FlareJson.decodeAnimCurve ((Hashtable)meta ["AngleCurve"]);
  109. // public LayerMask mask = 1;
  110. flare.RaycastPhysics = FlareJson.decodeBool(meta["RaycastPhysics"].ToString());
  111. flare.OffScreenFadeDist = float.Parse(meta["OffScreenFadeDist"].ToString());
  112. flare.useDynamicEdgeBoost = FlareJson.decodeBool(meta["useDynamicEdgeBoost"].ToString());
  113. flare.DynamicEdgeBoost = float.Parse(meta["DynamicEdgeBoost"].ToString());
  114. flare.DynamicEdgeBrightness = float.Parse(meta["DynamicEdgeBrightness"].ToString());
  115. flare.DynamicEdgeRange = float.Parse(meta["DynamicEdgeRange"].ToString());
  116. flare.DynamicEdgeBias = float.Parse(meta["DynamicEdgeBias"].ToString());
  117. flare.DynamicEdgeCurve = FlareJson.decodeAnimCurve ((Hashtable)meta ["DynamicEdgeCurve"]);
  118. flare.useDynamicCenterBoost = FlareJson.decodeBool(meta["useDynamicCenterBoost"].ToString());
  119. flare.DynamicCenterBoost = float.Parse(meta["DynamicCenterBoost"].ToString());
  120. flare.DynamicCenterBrightness = float.Parse(meta["DynamicCenterBrightness"].ToString());
  121. flare.DynamicCenterRange = float.Parse(meta["DynamicCenterRange"].ToString());
  122. flare.DynamicCenterBias = float.Parse(meta["DynamicCenterBias"].ToString());
  123. flare.neverCull = FlareJson.decodeBool(meta["neverCull"].ToString());
  124. flare.Elements.Clear ();
  125. Hashtable elements = (Hashtable)meta["Elements"];
  126. foreach (System.Collections.DictionaryEntry item in elements) {
  127. Hashtable element = (Hashtable)elements[item.Key];
  128. ProFlareElement elementNew = new ProFlareElement();
  129. elementNew.Editing = FlareJson.decodeBool(element["Editing"].ToString());
  130. elementNew.Visible = FlareJson.decodeBool(element["Visible"].ToString());
  131. elementNew.SpriteName = element["SpriteName"].ToString();
  132. elementNew.flare = flare;
  133. elementNew.flareAtlas = flare._Atlas;
  134. elementNew.Brightness = float.Parse(element["Brightness"].ToString());
  135. elementNew.Scale = float.Parse(element["Scale"].ToString());
  136. elementNew.ScaleRandom = float.Parse(element["ScaleRandom"].ToString());
  137. elementNew.ScaleFinal = float.Parse(element["ScaleFinal"].ToString());
  138. elementNew.RandomColorAmount = FlareJson.decodeVector4((Hashtable)element["RandomColorAmount"]);
  139. // //Element OffSet Properties
  140. elementNew.position = float.Parse(element["position"].ToString());
  141. elementNew.useRangeOffset = FlareJson.decodeBool(element["useRangeOffset"].ToString());
  142. elementNew.SubElementPositionRange_Min = float.Parse(element["SubElementPositionRange_Min"].ToString());
  143. elementNew.SubElementPositionRange_Max = float.Parse(element["SubElementPositionRange_Max"].ToString());
  144. elementNew.SubElementAngleRange_Min = float.Parse(element["SubElementAngleRange_Min"].ToString());
  145. elementNew.SubElementAngleRange_Max = float.Parse(element["SubElementAngleRange_Max"].ToString());
  146. elementNew.OffsetPosition = FlareJson.decodeVector3((Hashtable)element["OffsetPosition"]);
  147. elementNew.Anamorphic = FlareJson.decodeVector3((Hashtable)element["Anamorphic"]);
  148. elementNew.OffsetPostion = FlareJson.decodeVector3((Hashtable)element["OffsetPostion"]);
  149. // //Element Rotation Properties
  150. elementNew.angle = float.Parse(element["angle"].ToString());
  151. elementNew.useRandomAngle = FlareJson.decodeBool(element["useRandomAngle"].ToString());
  152. elementNew.useStarRotation = FlareJson.decodeBool(element["useStarRotation"].ToString());
  153. elementNew.AngleRandom_Min = float.Parse(element["AngleRandom_Min"].ToString());
  154. elementNew.AngleRandom_Max = float.Parse(element["AngleRandom_Max"].ToString());
  155. elementNew.OrientToSource = FlareJson.decodeBool(element["OrientToSource"].ToString());
  156. elementNew.rotateToFlare = FlareJson.decodeBool(element["rotateToFlare"].ToString());
  157. elementNew.rotationSpeed = float.Parse(element["rotationSpeed"].ToString());
  158. elementNew.rotationOverTime = float.Parse(element["rotationOverTime"].ToString());
  159. // //Colour Properties,
  160. elementNew.useColorRange = FlareJson.decodeBool(element["useColorRange"].ToString());
  161. elementNew.OffsetPosition = FlareJson.decodeVector3((Hashtable)element["OffsetPosition"]);
  162. elementNew.ElementTint = FlareJson.decodeColor((Hashtable)element["ElementTint"]);
  163. elementNew.SubElementColor_Start = FlareJson.decodeColor((Hashtable)element["SubElementColor_Start"]);
  164. elementNew.SubElementColor_End = FlareJson.decodeColor((Hashtable)element["SubElementColor_End"]);
  165. // //Scale Curve
  166. elementNew.useScaleCurve = FlareJson.decodeBool(element["useScaleCurve"].ToString());
  167. elementNew.ScaleCurve = FlareJson.decodeAnimCurve ((Hashtable)element ["ScaleCurve"]);
  168. // //Override Properties
  169. elementNew.OverrideDynamicEdgeBoost = FlareJson.decodeBool(element["OverrideDynamicEdgeBoost"].ToString());
  170. elementNew.DynamicEdgeBoostOverride = float.Parse(element["DynamicEdgeBoostOverride"].ToString());
  171. elementNew.OverrideDynamicCenterBoost = FlareJson.decodeBool(element["OverrideDynamicCenterBoost"].ToString());
  172. elementNew.DynamicCenterBoostOverride = float.Parse(element["DynamicCenterBoostOverride"].ToString());
  173. elementNew.OverrideDynamicEdgeBrightness = FlareJson.decodeBool(element["OverrideDynamicEdgeBrightness"].ToString());
  174. elementNew.DynamicEdgeBrightnessOverride = float.Parse(element["DynamicEdgeBrightnessOverride"].ToString());
  175. elementNew.OverrideDynamicCenterBrightness = FlareJson.decodeBool(element["OverrideDynamicCenterBrightness"].ToString());
  176. elementNew.DynamicCenterBrightnessOverride = float.Parse(element["DynamicCenterBrightnessOverride"].ToString());
  177. elementNew.type = (ProFlareElement.Type)(int.Parse(element["type"].ToString()));
  178. elementNew.size = FlareJson.decodeVector2((Hashtable)element["size"]);
  179. Hashtable subElements = (Hashtable)element["subElements"];
  180. if(subElements != null)
  181. foreach (System.Collections.DictionaryEntry subItem in subElements) {
  182. Hashtable subElement = (Hashtable)subElements[subItem.Key];
  183. SubElement subElementNew = new SubElement();
  184. subElementNew.color = FlareJson.decodeColor((Hashtable)subElement["color"]);
  185. subElementNew.position = float.Parse(subElement["position"].ToString());
  186. subElementNew.offset = FlareJson.decodeVector3((Hashtable)subElement["offset"]);
  187. subElementNew.angle = float.Parse(subElement["angle"].ToString());
  188. subElementNew.scale = float.Parse(subElement["scale"].ToString());
  189. subElementNew.random = float.Parse(subElement["random"].ToString());
  190. subElementNew.random2 = float.Parse(subElement["random2"].ToString());
  191. subElementNew.RandomScaleSeed = float.Parse(subElement["RandomScaleSeed"].ToString());
  192. subElementNew.RandomColorSeedR = float.Parse(subElement["RandomColorSeedR"].ToString());
  193. subElementNew.RandomColorSeedG = float.Parse(subElement["RandomColorSeedG"].ToString());
  194. subElementNew.RandomColorSeedB = float.Parse(subElement["RandomColorSeedB"].ToString());
  195. subElementNew.RandomColorSeedA = float.Parse(subElement["RandomColorSeedA"].ToString());
  196. elementNew.subElements.Add(subElementNew);
  197. }
  198. bool Found = false;
  199. for(int i2 = 0; i2 < flare._Atlas.elementsList.Count; i2++){
  200. if(elementNew.SpriteName == flare._Atlas.elementsList[i2].name){
  201. Found = true;
  202. elementNew.elementTextureID = i2;
  203. }
  204. }
  205. if(Found)
  206. flare.Elements.Add(elementNew);
  207. else
  208. Debug.LogWarning("ProFlares - Flare Element Missing From Atlas Not Adding - "+elementNew.SpriteName);
  209. }
  210. foreach (ProFlareBatch batch in flare.FlareBatches) {
  211. batch.dirty = true;
  212. }
  213. }
  214. /// <summary>
  215. /// Parse the specified JSon file, loading sprite information for the specified atlas.
  216. /// </summary>
  217. public static void LoadSpriteData (ProFlareAtlas atlas, TextAsset asset)
  218. {
  219. if (asset == null || atlas == null) return;
  220. string jsonString = asset.text;
  221. Hashtable decodedHash = jsonDecode(jsonString) as Hashtable;
  222. if (decodedHash == null)
  223. {
  224. Debug.LogWarning("Unable to parse Json file: " + asset.name);
  225. return;
  226. }
  227. List<ProFlareAtlas.Element> oldElements = atlas.elementsList;
  228. atlas.elementsList = new List<ProFlareAtlas.Element>();
  229. Vector2 TextureScale = Vector2.one;
  230. //Find Texture Size
  231. Hashtable meta = (Hashtable)decodedHash["meta"];
  232. foreach (System.Collections.DictionaryEntry item in meta)
  233. {
  234. if(item.Key.ToString() == "size"){
  235. Hashtable sizeTable = (Hashtable)item.Value;
  236. TextureScale.x = int.Parse(sizeTable["w"].ToString());
  237. TextureScale.y = int.Parse(sizeTable["h"].ToString());
  238. }
  239. }
  240. //Debug.LogError(TextureScale);
  241. Hashtable frames = (Hashtable)decodedHash["frames"];
  242. foreach (System.Collections.DictionaryEntry item in frames)
  243. {
  244. ProFlareAtlas.Element newElement = new ProFlareAtlas.Element();
  245. newElement.name = item.Key.ToString();
  246. bool exists = false;
  247. // Check to see if this sprite exists
  248. foreach (ProFlareAtlas.Element oldSprite in oldElements)
  249. {
  250. if (oldSprite.name.Equals(newElement.name, StringComparison.OrdinalIgnoreCase))
  251. {
  252. exists = true;
  253. break;
  254. }
  255. }
  256. if (!exists)
  257. {
  258. newElement.name = newElement.name.Replace(".png", "");
  259. newElement.name = newElement.name.Replace(".tga", "");
  260. newElement.name = newElement.name.Replace(".psd", "");
  261. newElement.name = newElement.name.Replace(".PSD", "");
  262. }
  263. Hashtable table = (Hashtable)item.Value;
  264. Hashtable frame = (Hashtable)table["frame"];
  265. int frameX = int.Parse(frame["x"].ToString());
  266. int frameY = int.Parse(frame["y"].ToString());
  267. int frameW = int.Parse(frame["w"].ToString());
  268. int frameH = int.Parse(frame["h"].ToString());
  269. Rect finalUVs = new Rect(frameX, frameY, frameW, frameH);
  270. Rect rect = new Rect(frameX, frameY, frameW, frameH);
  271. float width = TextureScale.x;
  272. float height = TextureScale.y;
  273. if (width != 0f && height != 0f)
  274. {
  275. finalUVs.xMin = rect.xMin / width;
  276. finalUVs.xMax = rect.xMax / width;
  277. finalUVs.yMin = 1f - rect.yMax / height;
  278. finalUVs.yMax = 1f - rect.yMin / height;
  279. }
  280. newElement.UV = finalUVs;
  281. newElement.Imported = true;
  282. atlas.elementsList.Add(newElement);
  283. }
  284. foreach (ProFlareAtlas.Element oldSprite in oldElements)
  285. {
  286. if (!oldSprite.Imported)
  287. {
  288. atlas.elementsList.Add(oldSprite);
  289. }
  290. }
  291. // Sort imported sprites alphabetically
  292. atlas.elementsList.Sort(CompareSprites);
  293. Debug.Log("PROFLARES - Imported " + atlas.elementsList.Count + " Elements");
  294. // Unload the asset
  295. asset = null;
  296. Resources.UnloadUnusedAssets();
  297. }
  298. /// <summary>
  299. /// Sprite comparison function for sorting.
  300. /// </summary>
  301. static int CompareSprites (ProFlareAtlas.Element a, ProFlareAtlas.Element b) { return a.name.CompareTo(b.name); }
  302. /// <summary>
  303. /// Copy the inner rectangle from one sprite to another.
  304. /// </summary>
  305. /*
  306. static void CopyInnerRect (ProFlareAtlas.Element oldSprite, ProFlareAtlas.Element newElement)
  307. {
  308. float offsetX = oldSprite.inner.xMin - oldSprite.outer.xMin;
  309. float offsetY = oldSprite.inner.yMin - oldSprite.outer.yMin;
  310. float sizeX = oldSprite.inner.width;
  311. float sizeY = oldSprite.inner.height;
  312. if (Mathf.Approximately(newElement.outer.width, oldSprite.outer.width))
  313. {
  314. // The sprite has not been rotated or it's a square
  315. newElement.inner = new Rect(newElement.outer.xMin + offsetX, newElement.outer.yMin + offsetY, sizeX, sizeY);
  316. }
  317. else if (Mathf.Approximately(newElement.outer.width, oldSprite.outer.height))
  318. {
  319. // The sprite was rotated since the last time it was imported
  320. newElement.inner = new Rect(newElement.outer.xMin + offsetY, newElement.outer.yMin + offsetX, sizeY, sizeX);
  321. }
  322. }
  323. */
  324. /// <summary>
  325. /// Parses the string json into a value
  326. /// </summary>
  327. /// <param name="json">A JSON string.</param>
  328. /// <returns>An ArrayList, a Hashtable, a double, a string, null, true, or false</returns>
  329. public static object jsonDecode( string json )
  330. {
  331. // save the string for debug information
  332. FlareJson.lastDecode = json;
  333. if( json != null )
  334. {
  335. char[] charArray = json.ToCharArray();
  336. int index = 0;
  337. bool success = true;
  338. object value = FlareJson.parseValue( charArray, ref index, ref success );
  339. if( success ){
  340. Debug.Log("jsonDecode success");
  341. FlareJson.lastErrorIndex = -1;
  342. }
  343. else{
  344. FlareJson.lastErrorIndex = index;
  345. }
  346. return value;
  347. }
  348. else
  349. {
  350. return null;
  351. }
  352. }
  353. /// <summary>
  354. /// Converts a Hashtable / ArrayList / Dictionary(string,string) object into a JSON string
  355. /// </summary>
  356. /// <param name="json">A Hashtable / ArrayList</param>
  357. /// <returns>A JSON encoded string, or null if object 'json' is not serializable</returns>
  358. public static string jsonEncode( object json )
  359. {
  360. var builder = new StringBuilder( BUILDER_CAPACITY );
  361. var success = FlareJson.serializeValue( json, builder );
  362. return ( success ? builder.ToString() : null );
  363. }
  364. /// <summary>
  365. /// On decoding, this function returns the position at which the parse failed (-1 = no error).
  366. /// </summary>
  367. /// <returns></returns>
  368. public static bool lastDecodeSuccessful()
  369. {
  370. return ( FlareJson.lastErrorIndex == -1 );
  371. }
  372. /// <summary>
  373. /// On decoding, this function returns the position at which the parse failed (-1 = no error).
  374. /// </summary>
  375. /// <returns></returns>
  376. public static int getLastErrorIndex()
  377. {
  378. return FlareJson.lastErrorIndex;
  379. }
  380. /// <summary>
  381. /// If a decoding error occurred, this function returns a piece of the JSON string
  382. /// at which the error took place. To ease debugging.
  383. /// </summary>
  384. /// <returns></returns>
  385. public static string getLastErrorSnippet()
  386. {
  387. if( FlareJson.lastErrorIndex == -1 )
  388. {
  389. return "";
  390. }
  391. else
  392. {
  393. int startIndex = FlareJson.lastErrorIndex - 5;
  394. int endIndex = FlareJson.lastErrorIndex + 15;
  395. if( startIndex < 0 )
  396. startIndex = 0;
  397. if( endIndex >= FlareJson.lastDecode.Length )
  398. endIndex = FlareJson.lastDecode.Length - 1;
  399. return FlareJson.lastDecode.Substring( startIndex, endIndex - startIndex + 1 );
  400. }
  401. }
  402. #region Parsing
  403. protected static Hashtable parseObject( char[] json, ref int index )
  404. {
  405. Hashtable table = new Hashtable();
  406. int token;
  407. // {
  408. nextToken( json, ref index );
  409. bool done = false;
  410. while( !done )
  411. {
  412. token = lookAhead( json, index );
  413. if( token == FlareJson.TOKEN_NONE )
  414. {
  415. return null;
  416. }
  417. else if( token == FlareJson.TOKEN_COMMA )
  418. {
  419. nextToken( json, ref index );
  420. }
  421. else if( token == FlareJson.TOKEN_CURLY_CLOSE )
  422. {
  423. nextToken( json, ref index );
  424. return table;
  425. }
  426. else
  427. {
  428. // name
  429. string name = parseString( json, ref index );
  430. if( name == null )
  431. {
  432. return null;
  433. }
  434. // :
  435. token = nextToken( json, ref index );
  436. if( token != FlareJson.TOKEN_COLON )
  437. return null;
  438. // value
  439. bool success = true;
  440. object value = parseValue( json, ref index, ref success );
  441. if( !success )
  442. return null;
  443. table[name] = value;
  444. }
  445. }
  446. return table;
  447. }
  448. protected static ArrayList parseArray( char[] json, ref int index )
  449. {
  450. ArrayList array = new ArrayList();
  451. // [
  452. nextToken( json, ref index );
  453. bool done = false;
  454. while( !done )
  455. {
  456. int token = lookAhead( json, index );
  457. if( token == FlareJson.TOKEN_NONE )
  458. {
  459. return null;
  460. }
  461. else if( token == FlareJson.TOKEN_COMMA )
  462. {
  463. nextToken( json, ref index );
  464. }
  465. else if( token == FlareJson.TOKEN_SQUARED_CLOSE )
  466. {
  467. nextToken( json, ref index );
  468. break;
  469. }
  470. else
  471. {
  472. bool success = true;
  473. object value = parseValue( json, ref index, ref success );
  474. if( !success )
  475. return null;
  476. array.Add( value );
  477. }
  478. }
  479. return array;
  480. }
  481. protected static object parseValue( char[] json, ref int index, ref bool success )
  482. {
  483. switch( lookAhead( json, index ) )
  484. {
  485. case FlareJson.TOKEN_STRING:
  486. return parseString( json, ref index );
  487. case FlareJson.TOKEN_NUMBER:
  488. return parseNumber( json, ref index );
  489. case FlareJson.TOKEN_CURLY_OPEN:
  490. return parseObject( json, ref index );
  491. case FlareJson.TOKEN_SQUARED_OPEN:
  492. return parseArray( json, ref index );
  493. case FlareJson.TOKEN_TRUE:
  494. nextToken( json, ref index );
  495. return Boolean.Parse( "TRUE" );
  496. case FlareJson.TOKEN_FALSE:
  497. nextToken( json, ref index );
  498. return Boolean.Parse( "FALSE" );
  499. case FlareJson.TOKEN_NULL:
  500. nextToken( json, ref index );
  501. return null;
  502. case FlareJson.TOKEN_NONE:
  503. break;
  504. }
  505. success = false;
  506. return null;
  507. }
  508. protected static string parseString( char[] json, ref int index )
  509. {
  510. string s = "";
  511. char c;
  512. eatWhitespace( json, ref index );
  513. // "
  514. c = json[index++];
  515. bool complete = false;
  516. while( !complete )
  517. {
  518. if( index == json.Length )
  519. break;
  520. c = json[index++];
  521. if( c == '"' )
  522. {
  523. complete = true;
  524. break;
  525. }
  526. else if( c == '\\' )
  527. {
  528. if( index == json.Length )
  529. break;
  530. c = json[index++];
  531. if( c == '"' )
  532. {
  533. s += '"';
  534. }
  535. else if( c == '\\' )
  536. {
  537. s += '\\';
  538. }
  539. else if( c == '/' )
  540. {
  541. s += '/';
  542. }
  543. else if( c == 'b' )
  544. {
  545. s += '\b';
  546. }
  547. else if( c == 'f' )
  548. {
  549. s += '\f';
  550. }
  551. else if( c == 'n' )
  552. {
  553. s += '\n';
  554. }
  555. else if( c == 'r' )
  556. {
  557. s += '\r';
  558. }
  559. else if( c == 't' )
  560. {
  561. s += '\t';
  562. }
  563. else if( c == 'u' )
  564. {
  565. int remainingLength = json.Length - index;
  566. if( remainingLength >= 4 )
  567. {
  568. char[] unicodeCharArray = new char[4];
  569. Array.Copy( json, index, unicodeCharArray, 0, 4 );
  570. // Drop in the HTML markup for the unicode character
  571. s += "&#x" + new string( unicodeCharArray ) + ";";
  572. /*
  573. uint codePoint = UInt32.Parse(new string(unicodeCharArray), NumberStyles.HexNumber);
  574. // convert the integer codepoint to a unicode char and add to string
  575. s += Char.ConvertFromUtf32((int)codePoint);
  576. */
  577. // skip 4 chars
  578. index += 4;
  579. }
  580. else
  581. {
  582. break;
  583. }
  584. }
  585. }
  586. else
  587. {
  588. s += c;
  589. }
  590. }
  591. if( !complete )
  592. return null;
  593. return s;
  594. }
  595. protected static double parseNumber( char[] json, ref int index )
  596. {
  597. eatWhitespace( json, ref index );
  598. int lastIndex = getLastIndexOfNumber( json, index );
  599. int charLength = ( lastIndex - index ) + 1;
  600. char[] numberCharArray = new char[charLength];
  601. Array.Copy( json, index, numberCharArray, 0, charLength );
  602. index = lastIndex + 1;
  603. return Double.Parse( new string( numberCharArray ) ); // , CultureInfo.InvariantCulture);
  604. }
  605. protected static int getLastIndexOfNumber( char[] json, int index )
  606. {
  607. int lastIndex;
  608. for( lastIndex = index; lastIndex < json.Length; lastIndex++ )
  609. if( "0123456789+-.eE".IndexOf( json[lastIndex] ) == -1 )
  610. {
  611. break;
  612. }
  613. return lastIndex - 1;
  614. }
  615. protected static void eatWhitespace( char[] json, ref int index )
  616. {
  617. for( ; index < json.Length; index++ )
  618. if( " \t\n\r".IndexOf( json[index] ) == -1 )
  619. {
  620. break;
  621. }
  622. }
  623. protected static int lookAhead( char[] json, int index )
  624. {
  625. int saveIndex = index;
  626. return nextToken( json, ref saveIndex );
  627. }
  628. protected static int nextToken( char[] json, ref int index )
  629. {
  630. eatWhitespace( json, ref index );
  631. if( index == json.Length )
  632. {
  633. return FlareJson.TOKEN_NONE;
  634. }
  635. char c = json[index];
  636. index++;
  637. switch( c )
  638. {
  639. case '{':
  640. return FlareJson.TOKEN_CURLY_OPEN;
  641. case '}':
  642. return FlareJson.TOKEN_CURLY_CLOSE;
  643. case '[':
  644. return FlareJson.TOKEN_SQUARED_OPEN;
  645. case ']':
  646. return FlareJson.TOKEN_SQUARED_CLOSE;
  647. case ',':
  648. return FlareJson.TOKEN_COMMA;
  649. case '"':
  650. return FlareJson.TOKEN_STRING;
  651. case '0':
  652. case '1':
  653. case '2':
  654. case '3':
  655. case '4':
  656. case '5':
  657. case '6':
  658. case '7':
  659. case '8':
  660. case '9':
  661. case '-':
  662. return FlareJson.TOKEN_NUMBER;
  663. case ':':
  664. return FlareJson.TOKEN_COLON;
  665. }
  666. index--;
  667. int remainingLength = json.Length - index;
  668. // false
  669. if( remainingLength >= 5 )
  670. {
  671. if( json[index] == 'f' &&
  672. json[index + 1] == 'a' &&
  673. json[index + 2] == 'l' &&
  674. json[index + 3] == 's' &&
  675. json[index + 4] == 'e' )
  676. {
  677. index += 5;
  678. return FlareJson.TOKEN_FALSE;
  679. }
  680. }
  681. // true
  682. if( remainingLength >= 4 )
  683. {
  684. if( json[index] == 't' &&
  685. json[index + 1] == 'r' &&
  686. json[index + 2] == 'u' &&
  687. json[index + 3] == 'e' )
  688. {
  689. index += 4;
  690. return FlareJson.TOKEN_TRUE;
  691. }
  692. }
  693. // null
  694. if( remainingLength >= 4 )
  695. {
  696. if( json[index] == 'n' &&
  697. json[index + 1] == 'u' &&
  698. json[index + 2] == 'l' &&
  699. json[index + 3] == 'l' )
  700. {
  701. index += 4;
  702. return FlareJson.TOKEN_NULL;
  703. }
  704. }
  705. return FlareJson.TOKEN_NONE;
  706. }
  707. #endregion
  708. #region Serialization
  709. protected static bool serializeObjectOrArray( object objectOrArray, StringBuilder builder )
  710. {
  711. if( objectOrArray is Hashtable )
  712. {
  713. return serializeObject( (Hashtable)objectOrArray, builder );
  714. }
  715. else if( objectOrArray is ArrayList )
  716. {
  717. return serializeArray( (ArrayList)objectOrArray, builder );
  718. }
  719. else
  720. {
  721. return false;
  722. }
  723. }
  724. protected static bool serializeObject( Hashtable anObject, StringBuilder builder )
  725. {
  726. builder.Append( "{" );
  727. IDictionaryEnumerator e = anObject.GetEnumerator();
  728. bool first = true;
  729. while( e.MoveNext() )
  730. {
  731. string key = e.Key.ToString();
  732. object value = e.Value;
  733. if( !first )
  734. {
  735. builder.Append( ", " );
  736. }
  737. serializeString( key, builder );
  738. builder.Append( ":" );
  739. if( !serializeValue( value, builder ) )
  740. {
  741. return false;
  742. }
  743. first = false;
  744. }
  745. builder.Append( "}" );
  746. return true;
  747. }
  748. protected static bool serializeDictionary( Dictionary<string,string> dict, StringBuilder builder )
  749. {
  750. builder.Append( "{" );
  751. bool first = true;
  752. foreach( var kv in dict )
  753. {
  754. if( !first )
  755. builder.Append( ", " );
  756. serializeString( kv.Key, builder );
  757. builder.Append( ":" );
  758. serializeString( kv.Value, builder );
  759. first = false;
  760. }
  761. builder.Append( "}" );
  762. return true;
  763. }
  764. protected static bool serializeArray( ArrayList anArray, StringBuilder builder )
  765. {
  766. builder.Append( "[" );
  767. bool first = true;
  768. for( int i = 0; i < anArray.Count; i++ )
  769. {
  770. object value = anArray[i];
  771. if( !first )
  772. {
  773. builder.Append( ", " );
  774. }
  775. if( !serializeValue( value, builder ) )
  776. {
  777. return false;
  778. }
  779. first = false;
  780. }
  781. builder.Append( "]" );
  782. return true;
  783. }
  784. protected static bool serializeValue( object value, StringBuilder builder )
  785. {
  786. // Type t = value.GetType();
  787. // Debug.Log("type: " + t.ToString() + " isArray: " + t.IsArray);
  788. if( value == null )
  789. {
  790. builder.Append( "null" );
  791. }
  792. else if( value.GetType().IsArray )
  793. {
  794. serializeArray( new ArrayList( (ICollection)value ), builder );
  795. }
  796. else if( value is string )
  797. {
  798. serializeString( (string)value, builder );
  799. }
  800. else if( value is Char )
  801. {
  802. serializeString( Convert.ToString( (char)value ), builder );
  803. }
  804. else if( value is Hashtable )
  805. {
  806. serializeObject( (Hashtable)value, builder );
  807. }
  808. else if( value is Dictionary<string,string> )
  809. {
  810. serializeDictionary( (Dictionary<string,string>)value, builder );
  811. }
  812. else if( value is ArrayList )
  813. {
  814. serializeArray( (ArrayList)value, builder );
  815. }
  816. else if( ( value is Boolean ) && ( (Boolean)value == true ) )
  817. {
  818. builder.Append( "true" );
  819. }
  820. else if( ( value is Boolean ) && ( (Boolean)value == false ) )
  821. {
  822. builder.Append( "false" );
  823. }
  824. else if( value.GetType().IsPrimitive )
  825. {
  826. serializeNumber( Convert.ToDouble( value ), builder );
  827. }
  828. else
  829. {
  830. return false;
  831. }
  832. return true;
  833. }
  834. protected static void serializeString( string aString, StringBuilder builder )
  835. {
  836. builder.Append( "\"" );
  837. char[] charArray = aString.ToCharArray();
  838. for( int i = 0; i < charArray.Length; i++ )
  839. {
  840. char c = charArray[i];
  841. if( c == '"' )
  842. {
  843. builder.Append( "\\\"" );
  844. }
  845. else if( c == '\\' )
  846. {
  847. builder.Append( "\\\\" );
  848. }
  849. else if( c == '\b' )
  850. {
  851. builder.Append( "\\b" );
  852. }
  853. else if( c == '\f' )
  854. {
  855. builder.Append( "\\f" );
  856. }
  857. else if( c == '\n' )
  858. {
  859. builder.Append( "\\n" );
  860. }
  861. else if( c == '\r' )
  862. {
  863. builder.Append( "\\r" );
  864. }
  865. else if( c == '\t' )
  866. {
  867. builder.Append( "\\t" );
  868. }
  869. else
  870. {
  871. int codepoint = Convert.ToInt32( c );
  872. if( ( codepoint >= 32 ) && ( codepoint <= 126 ) )
  873. {
  874. builder.Append( c );
  875. }
  876. else
  877. {
  878. builder.Append( "\\u" + Convert.ToString( codepoint, 16 ).PadLeft( 4, '0' ) );
  879. }
  880. }
  881. }
  882. builder.Append( "\"" );
  883. }
  884. protected static void serializeNumber( double number, StringBuilder builder )
  885. {
  886. builder.Append( Convert.ToString( number ) ); // , CultureInfo.InvariantCulture));
  887. }
  888. #endregion
  889. }