1 package org.robolectric.res; 2 3 import java.util.regex.Pattern; 4 import javax.annotation.Nullable; 5 6 public enum ResType { 7 DRAWABLE, 8 ATTR_DATA, 9 BOOLEAN, 10 COLOR, 11 COLOR_STATE_LIST, 12 DIMEN, 13 FILE, 14 FLOAT, 15 FRACTION, 16 INTEGER, 17 LAYOUT, 18 STYLE, 19 CHAR_SEQUENCE, 20 CHAR_SEQUENCE_ARRAY, 21 INTEGER_ARRAY, 22 TYPED_ARRAY, 23 NULL; 24 25 private static final Pattern DIMEN_RE = Pattern.compile("^\\d+(dp|dip|sp|pt|px|mm|in)$"); 26 27 @Nullable 28 public static ResType inferType(String itemString) { 29 ResType itemResType = ResType.inferFromValue(itemString); 30 if (itemResType == ResType.CHAR_SEQUENCE) { 31 if (AttributeResource.isStyleReference(itemString)) { 32 itemResType = ResType.STYLE; 33 } else if (itemString.equals("@null")) { 34 itemResType = ResType.NULL; 35 } else if (AttributeResource.isResourceReference(itemString)) { 36 // This is a reference; no type info needed. 37 itemResType = null; 38 } 39 } 40 return itemResType; 41 } 42 43 /** 44 * Parses a resource value to infer the type 45 */ 46 public static ResType inferFromValue(String value) { 47 if (value.startsWith("#")) { 48 return COLOR; 49 } else if ("true".equals(value) || "false".equals(value)) { 50 return BOOLEAN; 51 } else if (DIMEN_RE.matcher(value).find()) { 52 return DIMEN; 53 } else { 54 try { 55 Integer.parseInt(value); 56 return INTEGER; 57 } catch (NumberFormatException nfe) {} 58 59 try { 60 Float.parseFloat(value); 61 return FRACTION; 62 } catch (NumberFormatException nfe) {} 63 64 65 return CHAR_SEQUENCE; 66 } 67 } 68 } 69
