+def ParseDevPathValue (Value):\r
+ if '\\' in Value:\r
+ Value.replace('\\', '/').replace(' ', '')\r
+\r
+ Cmd = 'DevicePath ' + '"' + Value + '"'\r
+ try:\r
+ p = subprocess.Popen(Cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)\r
+ out, err = p.communicate()\r
+ except Exception, X:\r
+ raise BadExpression("DevicePath: %s" % (str(X)) )\r
+ finally:\r
+ subprocess._cleanup()\r
+ p.stdout.close()\r
+ p.stderr.close()\r
+ if err:\r
+ raise BadExpression("DevicePath: %s" % str(err))\r
+ Size = len(out.split())\r
+ out = ','.join(out.split())\r
+ return '{' + out + '}', Size\r
+\r
+def ParseFieldValue (Value):\r
+ if type(Value) == type(0):\r
+ return Value, (Value.bit_length() + 7) / 8\r
+ if type(Value) <> type(''):\r
+ raise BadExpression('Type %s is %s' %(Value, type(Value)))\r
+ Value = Value.strip()\r
+ if Value.startswith('UINT8') and Value.endswith(')'):\r
+ Value, Size = ParseFieldValue(Value.split('(', 1)[1][:-1])\r
+ if Size > 1:\r
+ raise BadExpression('Value (%s) Size larger than %d' %(Value, Size))\r
+ return Value, 1\r
+ if Value.startswith('UINT16') and Value.endswith(')'):\r
+ Value, Size = ParseFieldValue(Value.split('(', 1)[1][:-1])\r
+ if Size > 2:\r
+ raise BadExpression('Value (%s) Size larger than %d' %(Value, Size))\r
+ return Value, 2\r
+ if Value.startswith('UINT32') and Value.endswith(')'):\r
+ Value, Size = ParseFieldValue(Value.split('(', 1)[1][:-1])\r
+ if Size > 4:\r
+ raise BadExpression('Value (%s) Size larger than %d' %(Value, Size))\r
+ return Value, 4\r
+ if Value.startswith('UINT64') and Value.endswith(')'):\r
+ Value, Size = ParseFieldValue(Value.split('(', 1)[1][:-1])\r
+ if Size > 8:\r
+ raise BadExpression('Value (%s) Size larger than %d' % (Value, Size))\r
+ return Value, 8\r
+ if Value.startswith('GUID') and Value.endswith(')'):\r
+ Value = Value.split('(', 1)[1][:-1].strip()\r
+ if Value[0] == '{' and Value[-1] == '}':\r
+ TmpValue = GuidStructureStringToGuidString(Value)\r
+ if len(TmpValue) == 0:\r
+ raise BadExpression("Invalid GUID value string %s" % Value)\r
+ Value = TmpValue\r
+ if Value[0] == '"' and Value[-1] == '"':\r
+ Value = Value[1:-1]\r
+ try:\r
+ Value = "'" + uuid.UUID(Value).get_bytes_le() + "'"\r
+ except ValueError, Message:\r
+ raise BadExpression('%s' % Message)\r
+ Value, Size = ParseFieldValue(Value)\r
+ return Value, 16\r
+ if Value.startswith('L"') and Value.endswith('"'):\r
+ # Unicode String\r
+ # translate escape character\r
+ Value = Value[1:]\r
+ try:\r
+ Value = eval(Value)\r
+ except:\r
+ Value = Value[1:-1]\r
+ List = list(Value)\r
+ List.reverse()\r
+ Value = 0\r
+ for Char in List:\r
+ Value = (Value << 16) | ord(Char)\r
+ return Value, (len(List) + 1) * 2\r
+ if Value.startswith('"') and Value.endswith('"'):\r
+ # ASCII String\r
+ # translate escape character\r
+ try:\r
+ Value = eval(Value)\r
+ except:\r
+ Value = Value[1:-1]\r
+ List = list(Value)\r
+ List.reverse()\r
+ Value = 0\r
+ for Char in List:\r
+ Value = (Value << 8) | ord(Char)\r
+ return Value, len(List) + 1\r
+ if Value.startswith("L'") and Value.endswith("'"):\r
+ # Unicode Character Constant\r
+ # translate escape character\r
+ Value = Value[1:]\r
+ try:\r
+ Value = eval(Value)\r
+ except:\r
+ Value = Value[1:-1]\r
+ List = list(Value)\r
+ if len(List) == 0:\r
+ raise BadExpression('Length %s is %s' % (Value, len(List)))\r
+ List.reverse()\r
+ Value = 0\r
+ for Char in List:\r
+ Value = (Value << 16) | ord(Char)\r
+ return Value, len(List) * 2\r
+ if Value.startswith("'") and Value.endswith("'"):\r
+ # Character constant\r
+ # translate escape character\r
+ try:\r
+ Value = eval(Value)\r
+ except:\r
+ Value = Value[1:-1]\r
+ List = list(Value)\r
+ if len(List) == 0:\r
+ raise BadExpression('Length %s is %s' % (Value, len(List)))\r
+ List.reverse()\r
+ Value = 0\r
+ for Char in List:\r
+ Value = (Value << 8) | ord(Char)\r
+ return Value, len(List)\r
+ if Value.startswith('{') and Value.endswith('}'):\r
+ # Byte array\r
+ Value = Value[1:-1]\r
+ List = [Item.strip() for Item in Value.split(',')]\r
+ List.reverse()\r
+ Value = 0\r
+ RetSize = 0\r
+ for Item in List:\r
+ ItemValue, Size = ParseFieldValue(Item)\r
+ RetSize += Size\r
+ for I in range(Size):\r
+ Value = (Value << 8) | ((ItemValue >> 8 * I) & 0xff)\r
+ return Value, RetSize\r
+ if Value.startswith('DEVICE_PATH(') and Value.endswith(')'):\r
+ Value = Value.replace("DEVICE_PATH(", '').rstrip(')')\r
+ Value = Value.strip().strip('"')\r
+ return ParseDevPathValue(Value)\r
+ if Value.lower().startswith('0x'):\r
+ Value = int(Value, 16)\r
+ if Value == 0:\r
+ return 0, 1\r
+ return Value, (Value.bit_length() + 7) / 8\r
+ if Value[0].isdigit():\r
+ Value = int(Value, 10)\r
+ if Value == 0:\r
+ return 0, 1\r
+ return Value, (Value.bit_length() + 7) / 8\r
+ if Value.lower() == 'true':\r
+ return 1, 1\r
+ if Value.lower() == 'false':\r
+ return 0, 1\r
+ return Value, 1\r
+\r
projects / mirror_edk2.git / blobdiff