public int ParseFrom(String str, FieldsSet inheritFrom)
{
int goodFields = 0;
String[] fields = IBM.ICU.Impl.Utility.Split(str, ',');
for (int i = 0; i < fields.Length; i++)
{
String fieldStr = fields[i];
String[] kv = IBM.ICU.Impl.Utility.Split(fieldStr, '=');
if (kv.Length < 1 || kv.Length > 2)
{
throw new Exception("split around '=' failed: " + fieldStr);
}
String key = kv[0];
String value_ren = "";
if (kv.Length > 1)
{
value_ren = kv[1];
}
int field = HandleParseName(inheritFrom, key, value_ren);
if (field != -1)
{
HandleParseValue(inheritFrom, field, value_ren);
goodFields++;
}
}
return(goodFields);
}
/// <summary>
/// convenience implementation for handleParseValue attempt to load a value
/// from an enum value using udbg_enumByString() if fails, will call
/// parseValueDefault()
/// </summary>
///
/// <seealso cref="null"/>
protected internal void ParseValueEnum(int type, FieldsSet inheritFrom, int field,
String substr)
{
int value_ren = IBM.ICU.Charset.DebugUtilities.EnumByString(type, substr);
if (value_ren >= 0)
{
Set(field, value_ren);
return;
}
ParseValueDefault(inheritFrom, field, substr);
}
protected internal override void HandleParseValue(FieldsSet inheritFrom, int field,
String substr)
{
if (field == IBM.ICU.Util.Calendar.MONTH)
{
ParseValueEnum(IBM.ICU.Charset.DebugUtilitiesData.UCalendarMonths, inheritFrom,
field, substr);
// will fallback to default.
}
else
{
ParseValueDefault(inheritFrom, field, substr);
}
}
/// <summary>
/// Callback interface for subclass. This function is called when parsing a
/// field name, such as "MONTH" in "MONTH=4". Base implementation is to
/// lookup the enum value using udbg_/// utilities, or else as an integer if
/// enum is not available.
/// If there is a special directive, the implementer can catch it here and
/// return -1 after special processing completes.
/// </summary>
///
/// <param name="inheritFrom">the set inheriting from - may be null.</param>
/// <param name="name">the field name (key side)</param>
/// <param name="substr">the string in question (value side)</param>
/// <param name="status">error status - set to error for failure.</param>
/// <returns>field number, or negative if field should be skipped.</returns>
protected internal virtual int HandleParseName(FieldsSet inheritFrom, String name,
String substr)
{
int field = -1;
if (fEnum != NO_ENUM)
{
field = IBM.ICU.Charset.DebugUtilities.EnumByString(fEnum, name);
}
if (field < 0)
{
field = Int32.Parse(name);
}
return(field);
}
protected internal override int HandleParseName(FieldsSet inheritFrom, String name,
String substr)
{
if (name.Equals(kDATE))
{
return(DTS_DATE);
}
else if (name.Equals(kTIME))
{
return(DTS_TIME);
}
else
{
throw new ArgumentException("Bad field: " + name);
}
}
protected internal override void HandleParseValue(FieldsSet inheritFrom, int field,
String substr)
{
if (substr.StartsWith(kRELATIVE_))
{
ParseValueEnum(IBM.ICU.Charset.DebugUtilitiesData.UDateFormatStyle, inheritFrom,
field, substr.Substring(kRELATIVE_.Length));
if (IsSet(field))
{
Set(field, Get(field) | IBM.ICU.Text.DateFormat.RELATIVE);
}
}
else
{
ParseValueEnum(IBM.ICU.Charset.DebugUtilitiesData.UDateFormatStyle, inheritFrom,
field, substr);
}
}
/// <param name="other">"expected" set to match against</param>
/// <returns>a formatted string listing which fields are set in this, with the
/// comparison made agaainst those fields in other, or, 'null' if
/// there is no difference.</returns>
public String DiffFrom(FieldsSet other)
{
StringBuilder str = new StringBuilder();
if (!IsSameType(other))
{
throw new ArgumentException(
"U_ILLEGAL_ARGUMENT_ERROR: FieldsSet of a different type!");
}
for (int i = 0; i < FieldCount(); i++)
{
if (IsSet(i))
{
int myVal = Get(i);
int theirVal = other.Get(i);
if (fEnum != NO_ENUM)
{
String fieldName = IBM.ICU.Charset.DebugUtilities.EnumString(fEnum, i);
String aval = ILOG.J2CsMapping.Util.IlNumber.ToString(myVal);
String bval = ILOG.J2CsMapping.Util.IlNumber.ToString(theirVal);
str.Append(fieldName + "=" + aval + " not " + bval + ", ");
}
else
{
str.Append(ILOG.J2CsMapping.Util.IlNumber.ToString(i) + "=" + myVal + " not "
+ theirVal + ", ");
}
}
}
if (str.Length == 0)
{
return(null);
}
return(str.ToString());
}
/// <summary>
/// the default implementation for handleParseValue. Base implementation is
/// to parse a decimal integer value, or inherit from inheritFrom if the
/// string is 0-length. Implementations of this function should call
/// set(field,...) on successful parse.
/// </summary>
///
/// <seealso cref="null"/>
protected internal void ParseValueDefault(FieldsSet inheritFrom, int field,
String substr)
{
if (substr.Length == 0)
{
if (inheritFrom == null)
{
throw new Exception("Trying to inherit from field " + field
+ " but inheritFrom is null");
}
if (!inheritFrom.IsSet(field))
{
throw new Exception("Trying to inherit from field " + field
+ " but inheritFrom[" + field + "] is not set");
}
Set(field, inheritFrom.Get(field));
}
else
{
int value_ren = Int32.Parse(substr);
Set(field, value_ren);
}
}
public bool IsSameType(FieldsSet other)
{
return((other.fEnum == fEnum) && (other.fFieldsCount == fFieldsCount));
}
/// <summary>
/// Callback interface for subclass. Base implementation is to call
/// parseValueDefault(...)
/// </summary>
///
/// <param name="inheritFrom">the set inheriting from - may be null.</param>
/// <param name="field">which field is being parsed</param>
/// <param name="substr">the string in question (value side)</param>
/// <param name="status">error status - set to error for failure.</param>
/// <seealso cref="null"/>
protected internal virtual void HandleParseValue(FieldsSet inheritFrom, int field,
String substr)
{
ParseValueDefault(inheritFrom, field, substr);
}
