// =========================================
// Types
// =========================================
// 1. string (default)
// 2. bool
// 3. int, uint, intX, uintX (where X is the number of bytes) (int and uint are the default size)
// regex: (u?int)([1-9]+[0-9]*)?
// 4. float, double, decimal?
// 5. enum <enum-name>
// enum (name value1 value2 ...)
public static HmdType ParseHmdType(String hmdType, out String enumReferenceTypeName)
{
if (hmdType.Equals("string", StringComparison.InvariantCulture))
{
enumReferenceTypeName = null;
return(HmdType.String);
}
else if (hmdType.Equals("bool", StringComparison.InvariantCulture))
{
enumReferenceTypeName = null;
return(HmdType.Boolean);
}
else if (hmdType[0] == 'u' || hmdType[0] == 'i')
{
Int32 stringOffset = (hmdType[0] == 'u') ? 1 : 0;
if (hmdType[stringOffset++] != 'i' || hmdType[stringOffset++] != 'n' || hmdType[stringOffset++] != 't')
{
throw new FormatException(String.Format("Unrecognized type \"{0}\"", hmdType));
}
if (hmdType.Length > stringOffset++)
{
Byte byteSize = Byte.Parse(hmdType.Substring(4));
enumReferenceTypeName = null;
return(HmdTypeClass.GetIntegerType(hmdType[0] == 'u', byteSize));
}
else
{
enumReferenceTypeName = null;
return(HmdTypeClass.GetIntegerType(hmdType[0] == 'u', 0));
}
}
else if (hmdType[0] == 'e')
{
if (hmdType.Length < 6)
{
throw new FormatException(String.Format("Unrecognized type \"{0}\"", hmdType));
}
if (hmdType[1] != 'n' || hmdType[2] != 'u' || hmdType[3] != 'm' || hmdType[4] != ' ')
{
throw new FormatException(String.Format("Unrecognized type \"{0}\"", hmdType));
}
enumReferenceTypeName = hmdType.Substring(5);
return(HmdType.Enumeration);
}
else
{
throw new FormatException(String.Format("Unrecognized type \"{0}\"", hmdType));
}
}
//
// Maybe change to pass in the string offset and length?
//
public static HmdValueIDProperties ParseValueProperties(String idString, String props, HmdBlockIDProperties definitionParent, HmdProperties hmdProperties)
{
if (idString == null)
{
throw new ArgumentNullException("idString");
}
Boolean defaultCountPropertyOverriden = false;
Boolean defaultHmdTypeOverriden = false;
ICountProperty countProperty = hmdProperties.defaultCountProperty;
HmdType hmdType = hmdProperties.defaultHmdType;
HmdEnumReference enumReference = null;
HmdParentReference[] parentOverrideList = null;
Int32 offset = 0, saveOffset;
//
// TODO: To save on memory, maybe I'll add some type of hash lookup so I don't have to instantiate multiple HmdType classes?
//
while (true)
{
while (true)
{
if (offset >= props.Length)
{
return(new HmdValueIDProperties(idString, countProperty, hmdType, enumReference,
definitionParent, parentOverrideList));
}
if (!Char.IsWhiteSpace(props[offset]))
{
break;
}
offset++;
}
if (props[offset] >= '0' && props[offset] <= '9')
{
saveOffset = offset;
// keep going while you see 0-9, '-' or '*'
do
{
offset++;
if (offset >= props.Length)
{
break;
}
} while ((props[offset] >= '0' && props[offset] <= '9') || props[offset] == '-' || props[offset] == '*');
//
// Check that the 'count' property has not been specified Twice
//
if (defaultCountPropertyOverriden)
{
throw new FormatException("You've specified the 'count' property twice!");
}
defaultCountPropertyOverriden = true;
countProperty = CountProperty.Parse(props.Substring(saveOffset, offset - saveOffset));
}
else if (props[offset] == 's')
{
if (offset + 6 > props.Length) // 6 = "string".Length
{
throw new FormatException(String.Format("Found character '{0}', expected to become \"{1}\", but there are some characters missing",
HmdTypeClass.String[0], HmdTypeClass.String));
}
if (props[offset + 1] != 't' ||
props[offset + 2] != 'r' ||
props[offset + 3] != 'i' ||
props[offset + 4] != 'n' ||
props[offset + 5] != 'g')
{
throw new FormatException(String.Format("Expected 'string', but got '{0}'", props.Substring(offset, 6)));
}
offset += 6;
//
// Check that the 'type' property has not been specified Twice
//
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdType.String;
}
else if (props[offset] == HmdTypeClass.Boolean[0])
{
if (offset + HmdTypeClass.Boolean.Length > props.Length)
{
throw new FormatException(
String.Format("Found character '{0}', expected to become \"{1}\", but there are some characters missing",
HmdTypeClass.Boolean[0], HmdTypeClass.Boolean));
}
offset++;
for (int i = 1; i < HmdTypeClass.Boolean.Length; i++)
{
if (props[offset] != HmdTypeClass.Boolean[i])
{
throw new FormatException(String.Format("Expected \"{0}\", but got \"{1}\"", HmdTypeClass.Boolean, props.Substring(offset - i, HmdTypeClass.Boolean.Length)));
}
offset++;
}
//
// Check that the 'type' property has not been specified Twice
//
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdType.Boolean;
}
else if (props[offset] == 'i' || props[offset] == 'u')
{
Byte byteSize;
Boolean isUnsigned = false;
if (props[offset] == 'u')
{
isUnsigned = true;
offset++;
if (props[offset] != 'i')
{
throw new FormatException(
String.Format("Found character 'u', expected to become \"uint\", but the next character was '{0}'", props[offset]));
}
}
if (offset + 3 > props.Length)
{
throw new FormatException(
String.Format("Found character '{0}', expected to become \"{1}\", but there are some characters missing",
isUnsigned ? 'u' : 'i', isUnsigned ? "uint" : "int"));
}
if (props[offset + 1] != 'n' || props[offset + 2] != 't')
{
throw new FormatException(String.Format("Expected \"{0}\", but got \"{1}\"",
isUnsigned ? "uint" : "int", isUnsigned ? props.Substring(offset - 1, 4) : props.Substring(offset, 3)));
}
offset += 3;
if (offset < props.Length && props[offset] >= '0' && props[offset] <= '9')
{
saveOffset = offset;
do
{
offset++;
} while (offset < props.Length && props[offset] >= '0' && props[offset] <= '9');
byteSize = Byte.Parse(props.Substring(saveOffset, offset - saveOffset));
}
else
{
byteSize = 0;
}
//
// Check that the 'type' property has not been specified Twice
//
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdTypeClass.GetIntegerType(isUnsigned, byteSize);
}
else if (props[offset] == 'e')
{
offset++;
if (offset >= props.Length)
{
throw new FormatException("Found character 'e', expected to become \"enum\" or \"empty\" but the string abrubtly ended");
}
if (props[offset] == HmdTypeClass.Empty[1])
{
if (offset + HmdTypeClass.Empty.Length - 1 > props.Length)
{
throw new FormatException("Found \"em\", expected to become \"empty\", but there are some characters missing");
}
offset++;
for (int i = 2; i < HmdTypeClass.Empty.Length; i++)
{
if (props[offset] != HmdTypeClass.Empty[i])
{
throw new FormatException(String.Format("Expected \"{0}\", but got \"{1}\"", HmdTypeClass.Empty, props.Substring(offset - i, HmdTypeClass.Empty.Length)));
}
offset++;
}
//
// Check that the 'type' property has not been specified Twice
//
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdType.Empty;
}
else if (props[offset] == HmdTypeClass.Enumeration[1])
{
if (offset + HmdTypeClass.Enumeration.Length + 1 > props.Length)
{
throw new FormatException(
String.Format("Found \"en\", expected to become \"{0}\", but there are some characters missing",
HmdTypeClass.Enumeration));
}
offset++;
for (int i = 2; i < HmdTypeClass.Enumeration.Length; i++)
{
if (props[offset] != HmdTypeClass.Enumeration[i])
{
throw new FormatException(String.Format("Expected \"{0}\", but got \"{1}\"", HmdTypeClass.Enumeration, props.Substring(offset - i, HmdTypeClass.Enumeration.Length)));
}
offset++;
}
// skip whitespace
while (true)
{
if (offset >= props.Length)
{
throw new FormatException("Expected '(' or 'a-zA-Z', but got EOF");
}
if (!Char.IsWhiteSpace(props[offset]))
{
break;
}
offset++;
}
if (props[offset] == '(')
{
saveOffset = offset + 1;
// skip to the next whitespace or ';'
while (true)
{
offset++;
if (offset >= props.Length)
{
throw new FormatException("Expected ')' but reached end of string");
}
if (props[offset] == ')')
{
break;
}
}
String enumReferenceName = (definitionParent == null || definitionParent.definitionContext == null) ?
idString.ToLower() : HmdIDProperties.CombineIDContext(definitionParent.idWithContext, idString.ToLower());
HmdEnum newInlineEnum = new HmdEnum(enumReferenceName, props.Substring(saveOffset, offset - saveOffset));
enumReference = newInlineEnum;
if (hmdProperties != null)
{
hmdProperties.AddEnum(newInlineEnum);
}
offset++;
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdType.Enumeration;
}
else if ((props[offset] >= 'a' && props[offset] <= 'z') || (props[offset] >= 'A' && props[offset] <= 'Z'))
{
saveOffset = offset;
// skip to the next whitespace or ';'
while (true)
{
offset++;
if (offset >= props.Length)
{
break;
}
if (Char.IsWhiteSpace(props[offset]))
{
break;
}
}
if (offset - saveOffset <= 0)
{
throw new FormatException("Unable to parse enum type, the \"enum\" keyword must be either \"enum <type>\" (with only one space before <type>) or \"enum(<value> <value> ...)\"");
}
enumReference = new HmdEnumReferenceByString(props.Substring(saveOffset, offset - saveOffset));
if (defaultHmdTypeOverriden)
{
throw new FormatException("You've specified the 'type' property twice!");
}
defaultHmdTypeOverriden = true;
hmdType = HmdType.Enumeration;
}
else
{
throw new FormatException(String.Format("Expected '(' or 'a-zA-Z' after \"enum\", but got '{0}'", props[offset]));
}
}
else
{
throw new FormatException(String.Format(
"Found character 'e', expected to become \"enum\" or \"empty\" but the second character is '{0}'", props[offset]));
}
}
else if (props[offset] == '(')
{
if (parentOverrideList != null)
{
throw new FormatException("You've specified the 'parents' property twice!");
}
parentOverrideList = ParseParentList(props, ref offset);
}
else
{
throw new FormatException(
String.Format("Could not recognize first character of property '{0}', of the props string \"{1}\"", props[offset], props));
}
}
}
