public string ToString(int fieldCount) => fieldCount == 0 ? string.Empty : fieldCount == 1 ? _Major.ToString() : StringBuilderCache.GetStringAndRelease(ToCachedStringBuilder(fieldCount));
public static void Log(String switchName, LogLevel level, params Object[] messages)
{
if (AppDomain.CurrentDomain.IsUnloadingForcedFinalize())
{
return;
}
//Add code to check if logging is enabled in the registry.
LogSwitch logSwitch;
if (!m_registryChecked)
{
CheckRegistry();
}
if (!CheckEnabled(switchName, level, out logSwitch))
{
return;
}
StringBuilder sb = StringBuilderCache.Acquire();
for (int i = 0; i < messages.Length; i++)
{
String s;
try {
if (messages[i] == null)
{
s = "<null>";
}
else
{
s = messages[i].ToString();
}
} catch {
s = "<unable to convert>";
}
sb.Append(s);
}
System.Diagnostics.Log.LogMessage((LoggingLevels)((int)level), logSwitch, StringBuilderCache.GetStringAndRelease(sb));
}
/// <summary>
/// Helper function that reads a string token from the serialized text. The function
/// updates <see cref="_currentTokenStartIndex"/> to point to the next token on exit.
/// Also <see cref="_state"/> is set to either <see cref="State.StartOfToken"/> or
/// <see cref="State.EndOfLine"/> on exit.
/// </summary>
private string GetNextStringValue()
{
// first verify the internal state of the object
if (_state == State.EndOfLine)
{
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
}
if (_currentTokenStartIndex < 0 || _currentTokenStartIndex >= _serializedText.Length)
{
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
}
State tokenState = State.NotEscaped;
StringBuilder token = StringBuilderCache.Acquire(InitialCapacityForString);
// walk the serialized text, building up the token as we go...
for (int i = _currentTokenStartIndex; i < _serializedText.Length; i++)
{
if (tokenState == State.Escaped)
{
VerifyIsEscapableCharacter(_serializedText[i]);
token.Append(_serializedText[i]);
tokenState = State.NotEscaped;
}
else if (tokenState == State.NotEscaped)
{
switch (_serializedText[i])
{
case Esc:
tokenState = State.Escaped;
break;
case Lhs:
// '[' is an unexpected character
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
case Rhs:
// ']' is an unexpected character
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
case Sep:
_currentTokenStartIndex = i + 1;
if (_currentTokenStartIndex >= _serializedText.Length)
{
_state = State.EndOfLine;
}
else
{
_state = State.StartOfToken;
}
return(StringBuilderCache.GetStringAndRelease(token));
case '\0':
// invalid character
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
default:
token.Append(_serializedText[i]);
break;
}
}
}
//
// we are at the end of the line
//
if (tokenState == State.Escaped)
{
// we are at the end of the serialized text but we are in an escaped state
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidEscapeSequence", string.Empty));
}
throw new SerializationException(Environment.GetResourceString("Serialization_InvalidData"));
}
private static String InternalFlagsFormat(RuntimeType eT, TypeValuesAndNames entry, ulong result)
{
Contract.Requires(eT != null);
String[] names = entry.Names;
ulong[] values = entry.Values;
Debug.Assert(names.Length == values.Length);
int index = values.Length - 1;
StringBuilder sb = StringBuilderCache.Acquire();
bool firstTime = true;
ulong saveResult = result;
// We will not optimize this code further to keep it maintainable. There are some boundary checks that can be applied
// to minimize the comparsions required. This code works the same for the best/worst case. In general the number of
// items in an enum are sufficiently small and not worth the optimization.
while (index >= 0)
{
if ((index == 0) && (values[index] == 0))
{
break;
}
if ((result & values[index]) == values[index])
{
result -= values[index];
if (!firstTime)
{
sb.Insert(0, enumSeparatorString);
}
sb.Insert(0, names[index]);
firstTime = false;
}
index--;
}
string returnString;
if (result != 0)
{
// We were unable to represent this number as a bitwise or of valid flags
returnString = null; // return null so the caller knows to .ToString() the input
}
else if (saveResult == 0)
{
// For the cases when we have zero
if (values.Length > 0 && values[0] == 0)
{
returnString = names[0]; // Zero was one of the enum values.
}
else
{
returnString = "0";
}
}
else
{
returnString = sb.ToString(); // Return the string representation
}
StringBuilderCache.Release(sb);
return(returnString);
}
private static string FormatCustomized(DateTime dateTime, string format, DateTimeFormatInfo dtfi, TimeSpan offset)
{
Calendar calendar = dtfi.Calendar;
StringBuilder stringBuilder1 = StringBuilderCache.Acquire(16);
bool flag = calendar.ID == 8;
bool timeOnly = true;
int index1 = 0;
while (index1 < format.Length)
{
char patternChar = format[index1];
int num1;
if ((uint)patternChar <= 75U)
{
if ((uint)patternChar <= 47U)
{
if ((uint)patternChar <= 37U)
{
if ((int)patternChar != 34)
{
if ((int)patternChar == 37)
{
int nextChar = DateTimeFormat.ParseNextChar(format, index1);
if (nextChar < 0 || nextChar == 37)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
stringBuilder1.Append(DateTimeFormat.FormatCustomized(dateTime, ((char)nextChar).ToString(), dtfi, offset));
num1 = 2;
goto label_85;
}
else
{
goto label_84;
}
}
}
else if ((int)patternChar != 39)
{
if ((int)patternChar == 47)
{
stringBuilder1.Append(dtfi.DateSeparator);
num1 = 1;
goto label_85;
}
else
{
goto label_84;
}
}
StringBuilder result = new StringBuilder();
num1 = DateTimeFormat.ParseQuoteString(format, index1, result);
stringBuilder1.Append((object)result);
goto label_85;
}
else if ((uint)patternChar <= 70U)
{
if ((int)patternChar != 58)
{
if ((int)patternChar != 70)
{
goto label_84;
}
}
else
{
stringBuilder1.Append(dtfi.TimeSeparator);
num1 = 1;
goto label_85;
}
}
else if ((int)patternChar != 72)
{
if ((int)patternChar == 75)
{
num1 = 1;
DateTimeFormat.FormatCustomizedRoundripTimeZone(dateTime, offset, stringBuilder1);
goto label_85;
}
else
{
goto label_84;
}
}
else
{
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
DateTimeFormat.FormatDigits(stringBuilder1, dateTime.Hour, num1);
goto label_85;
}
}
else if ((uint)patternChar <= 109U)
{
if ((uint)patternChar <= 92U)
{
if ((int)patternChar != 77)
{
if ((int)patternChar == 92)
{
int nextChar = DateTimeFormat.ParseNextChar(format, index1);
if (nextChar < 0)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
stringBuilder1.Append((char)nextChar);
num1 = 2;
goto label_85;
}
else
{
goto label_84;
}
}
else
{
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
int month = calendar.GetMonth(dateTime);
if (num1 <= 2)
{
if (flag)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder1, month);
}
else
{
DateTimeFormat.FormatDigits(stringBuilder1, month, num1);
}
}
else if (flag)
{
stringBuilder1.Append(DateTimeFormat.FormatHebrewMonthName(dateTime, month, num1, dtfi));
}
else if ((dtfi.FormatFlags & DateTimeFormatFlags.UseGenitiveMonth) != DateTimeFormatFlags.None && num1 >= 4)
{
stringBuilder1.Append(dtfi.internalGetMonthName(month, DateTimeFormat.IsUseGenitiveForm(format, index1, num1, 'd') ? MonthNameStyles.Genitive : MonthNameStyles.Regular, false));
}
else
{
stringBuilder1.Append(DateTimeFormat.FormatMonth(month, num1, dtfi));
}
timeOnly = false;
goto label_85;
}
}
else
{
switch (patternChar)
{
case 'd':
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
if (num1 <= 2)
{
int dayOfMonth = calendar.GetDayOfMonth(dateTime);
if (flag)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder1, dayOfMonth);
}
else
{
DateTimeFormat.FormatDigits(stringBuilder1, dayOfMonth, num1);
}
}
else
{
int dayOfWeek = (int)calendar.GetDayOfWeek(dateTime);
stringBuilder1.Append(DateTimeFormat.FormatDayOfWeek(dayOfWeek, num1, dtfi));
}
timeOnly = false;
goto label_85;
case 'f':
break;
case 'g':
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
stringBuilder1.Append(dtfi.GetEraName(calendar.GetEra(dateTime)));
goto label_85;
case 'h':
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
int num2 = dateTime.Hour % 12;
if (num2 == 0)
{
num2 = 12;
}
DateTimeFormat.FormatDigits(stringBuilder1, num2, num1);
goto label_85;
case 'm':
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
DateTimeFormat.FormatDigits(stringBuilder1, dateTime.Minute, num1);
goto label_85;
default:
goto label_84;
}
}
}
else if ((uint)patternChar <= 116U)
{
if ((int)patternChar != 115)
{
if ((int)patternChar == 116)
{
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
if (num1 == 1)
{
if (dateTime.Hour < 12)
{
if (dtfi.AMDesignator.Length >= 1)
{
stringBuilder1.Append(dtfi.AMDesignator[0]);
goto label_85;
}
else
{
goto label_85;
}
}
else if (dtfi.PMDesignator.Length >= 1)
{
stringBuilder1.Append(dtfi.PMDesignator[0]);
goto label_85;
}
else
{
goto label_85;
}
}
else
{
stringBuilder1.Append(dateTime.Hour < 12 ? dtfi.AMDesignator : dtfi.PMDesignator);
goto label_85;
}
}
else
{
goto label_84;
}
}
else
{
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
DateTimeFormat.FormatDigits(stringBuilder1, dateTime.Second, num1);
goto label_85;
}
}
else if ((int)patternChar != 121)
{
if ((int)patternChar == 122)
{
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
DateTimeFormat.FormatCustomizedTimeZone(dateTime, offset, format, num1, timeOnly, stringBuilder1);
goto label_85;
}
else
{
goto label_84;
}
}
else
{
int year = calendar.GetYear(dateTime);
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
if (dtfi.HasForceTwoDigitYears)
{
DateTimeFormat.FormatDigits(stringBuilder1, year, num1 <= 2 ? num1 : 2);
}
else if (calendar.ID == 8)
{
DateTimeFormat.HebrewFormatDigits(stringBuilder1, year);
}
else if (num1 <= 2)
{
DateTimeFormat.FormatDigits(stringBuilder1, year % 100, num1);
}
else
{
string format1 = "D" + (object)num1;
stringBuilder1.Append(year.ToString(format1, (IFormatProvider)CultureInfo.InvariantCulture));
}
timeOnly = false;
goto label_85;
}
num1 = DateTimeFormat.ParseRepeatPattern(format, index1, patternChar);
if (num1 > 7)
{
throw new FormatException(Environment.GetResourceString("Format_InvalidString"));
}
long num3 = dateTime.Ticks % 10000000L / (long)Math.Pow(10.0, (double)(7 - num1));
if ((int)patternChar == 102)
{
stringBuilder1.Append(((int)num3).ToString(DateTimeFormat.fixedNumberFormats[num1 - 1], (IFormatProvider)CultureInfo.InvariantCulture));
goto label_85;
}
else
{
int num4;
for (num4 = num1; num4 > 0 && num3 % 10L == 0L; --num4)
{
num3 /= 10L;
}
if (num4 > 0)
{
stringBuilder1.Append(((int)num3).ToString(DateTimeFormat.fixedNumberFormats[num4 - 1], (IFormatProvider)CultureInfo.InvariantCulture));
goto label_85;
}
else if (stringBuilder1.Length > 0)
{
StringBuilder stringBuilder2 = stringBuilder1;
int index2 = stringBuilder2.Length - 1;
if ((int)stringBuilder2[index2] == 46)
{
StringBuilder stringBuilder3 = stringBuilder1;
int startIndex = stringBuilder3.Length - 1;
int length = 1;
stringBuilder3.Remove(startIndex, length);
goto label_85;
}
else
{
goto label_85;
}
}
else
{
goto label_85;
}
}
label_84:
stringBuilder1.Append(patternChar);
num1 = 1;
label_85:
index1 += num1;
}
return(StringBuilderCache.GetStringAndRelease(stringBuilder1));
}
/// <summary>Evaluates a terminfo formatting string, using the supplied arguments and processing data structures.</summary>
/// <param name="format">The format string.</param>
/// <param name="pos">The position in <paramref name="format"/> to start processing.</param>
/// <param name="args">The arguments to the format string.</param>
/// <param name="stack">The stack to use as the format string is evaluated.</param>
/// <param name="dynamicVars">A lazily-initialized collection of variables.</param>
/// <param name="staticVars">A lazily-initialized collection of variables.</param>
/// <returns>
/// The formatted string; this may be empty if the evaluation didn't yield any output.
/// The evaluation stack will have a 1 at the top if all processing was completed at invoked level
/// of recursion, and a 0 at the top if we're still inside of a conditional that requires more processing.
/// </returns>
private static string EvaluateInternal(
string format, ref int pos, FormatParam[] args, LowLevelStack <FormatParam> stack,
ref FormatParam[] dynamicVars, ref FormatParam[] staticVars)
{
// Create a StringBuilder to store the output of this processing. We use the format's length as an
// approximation of an upper-bound for how large the output will be, though with parameter processing,
// this is just an estimate, sometimes way over, sometimes under.
StringBuilder output = StringBuilderCache.Acquire(format.Length);
// Format strings support conditionals, including the equivalent of "if ... then ..." and
// "if ... then ... else ...", as well as "if ... then ... else ... then ..."
// and so on, where an else clause can not only be evaluated for string output but also
// as a conditional used to determine whether to evaluate a subsequent then clause.
// We use recursion to process these subsequent parts, and we track whether we're processing
// at the same level of the initial if clause (or whether we're nested).
bool sawIfConditional = false;
// Process each character in the format string, starting from the position passed in.
for (; pos < format.Length; pos++)
{
// '%' is the escape character for a special sequence to be evaluated.
// Anything else just gets pushed to output.
if (format[pos] != '%')
{
output.Append(format[pos]);
continue;
}
// We have a special parameter sequence to process. Now we need
// to look at what comes after the '%'.
++pos;
switch (format[pos])
{
// Output appending operations
case '%': // Output the escaped '%'
output.Append('%');
break;
case 'c': // Pop the stack and output it as a char
output.Append((char)stack.Pop().Int32);
break;
case 's': // Pop the stack and output it as a string
output.Append(stack.Pop().String);
break;
case 'd': // Pop the stack and output it as an integer
output.Append(stack.Pop().Int32);
break;
case 'o':
case 'X':
case 'x':
case ':':
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
// printf strings of the format "%[[:]flags][width[.precision]][doxXs]" are allowed
// (with a ':' used in front of flags to help differentiate from binary operations, as flags can
// include '-' and '+'). While above we've special-cased common usage (e.g. %d, %s),
// for more complicated expressions we delegate to printf.
int printfEnd = pos;
for (; printfEnd < format.Length; printfEnd++) // find the end of the printf format string
{
char ec = format[printfEnd];
if (ec == 'd' || ec == 'o' || ec == 'x' || ec == 'X' || ec == 's')
{
break;
}
}
if (printfEnd >= format.Length)
{
throw new InvalidOperationException(SR.IO_TermInfoInvalid);
}
string printfFormat = format.Substring(pos - 1, printfEnd - pos + 2); // extract the format string
if (printfFormat.Length > 1 && printfFormat[1] == ':')
{
printfFormat = printfFormat.Remove(1, 1);
}
output.Append(FormatPrintF(printfFormat, stack.Pop().Object)); // do the printf formatting and append its output
break;
// Stack pushing operations
case 'p': // Push the specified parameter (1-based) onto the stack
pos++;
Debug.Assert(format[pos] >= '0' && format[pos] <= '9');
stack.Push(args[format[pos] - '1']);
break;
case 'l': // Pop a string and push its length
stack.Push(stack.Pop().String.Length);
break;
case '{': // Push integer literal, enclosed between braces
pos++;
int intLit = 0;
while (format[pos] != '}')
{
Debug.Assert(format[pos] >= '0' && format[pos] <= '9');
intLit = (intLit * 10) + (format[pos] - '0');
pos++;
}
stack.Push(intLit);
break;
case '\'': // Push literal character, enclosed between single quotes
stack.Push((int)format[pos + 1]);
Debug.Assert(format[pos + 2] == '\'');
pos += 2;
break;
// Storing and retrieving "static" and "dynamic" variables
case 'P': // Pop a value and store it into either static or dynamic variables based on whether the a-z variable is capitalized
pos++;
int setIndex;
FormatParam[] targetVars = GetDynamicOrStaticVariables(format[pos], ref dynamicVars, ref staticVars, out setIndex);
targetVars[setIndex] = stack.Pop();
break;
case 'g': // Push a static or dynamic variable; which is based on whether the a-z variable is capitalized
pos++;
int getIndex;
FormatParam[] sourceVars = GetDynamicOrStaticVariables(format[pos], ref dynamicVars, ref staticVars, out getIndex);
stack.Push(sourceVars[getIndex]);
break;
// Binary operations
case '+':
case '-':
case '*':
case '/':
case 'm':
case '^': // arithmetic
case '&':
case '|': // bitwise
case '=':
case '>':
case '<': // comparison
case 'A':
case 'O': // logical
int second = stack.Pop().Int32; // it's a stack... the second value was pushed last
int first = stack.Pop().Int32;
char c = format[pos];
stack.Push(
c == '+' ? (first + second) :
c == '-' ? (first - second) :
c == '*' ? (first * second) :
c == '/' ? (first / second) :
c == 'm' ? (first % second) :
c == '^' ? (first ^ second) :
c == '&' ? (first & second) :
c == '|' ? (first | second) :
c == '=' ? AsInt(first == second) :
c == '>' ? AsInt(first > second) :
c == '<' ? AsInt(first < second) :
c == 'A' ? AsInt(AsBool(first) && AsBool(second)) :
c == 'O' ? AsInt(AsBool(first) || AsBool(second)) :
0); // not possible; we just validated above
break;
// Unary operations
case '!':
case '~':
int value = stack.Pop().Int32;
stack.Push(
format[pos] == '!' ? AsInt(!AsBool(value)) :
~value);
break;
// Some terminfo files appear to have a fairly liberal interpretation of %i. The spec states that %i increments the first two arguments,
// but some uses occur when there's only a single argument. To make sure we accomodate these files, we increment the values
// of up to (but not requiring) two arguments.
case 'i':
if (args.Length > 0)
{
args[0] = 1 + args[0].Int32;
if (args.Length > 1)
{
args[1] = 1 + args[1].Int32;
}
}
break;
// Conditional of the form %? if-part %t then-part %e else-part %;
// The "%e else-part" is optional.
case '?':
sawIfConditional = true;
break;
case 't':
// We hit the end of the if-part and are about to start the then-part.
// The if-part left its result on the stack; pop and evaluate.
bool conditionalResult = AsBool(stack.Pop().Int32);
// Regardless of whether it's true, run the then-part to get past it.
// If the conditional was true, output the then results.
pos++;
string thenResult = EvaluateInternal(format, ref pos, args, stack, ref dynamicVars, ref staticVars);
if (conditionalResult)
{
output.Append(thenResult);
}
Debug.Assert(format[pos] == 'e' || format[pos] == ';');
// We're past the then; the top of the stack should now be a Boolean
// indicating whether this conditional has more to be processed (an else clause).
if (!AsBool(stack.Pop().Int32))
{
// Process the else clause, and if the conditional was false, output the else results.
pos++;
string elseResult = EvaluateInternal(format, ref pos, args, stack, ref dynamicVars, ref staticVars);
if (!conditionalResult)
{
output.Append(elseResult);
}
// Now we should be done (any subsequent elseif logic will have been handled in the recursive call).
if (!AsBool(stack.Pop().Int32))
{
throw new InvalidOperationException(SR.IO_TermInfoInvalid);
}
}
// If we're in a nested processing, return to our parent.
if (!sawIfConditional)
{
stack.Push(1);
return(StringBuilderCache.GetStringAndRelease(output));
}
// Otherwise, we're done processing the conditional in its entirety.
sawIfConditional = false;
break;
case 'e':
case ';':
// Let our caller know why we're exiting, whether due to the end of the conditional or an else branch.
stack.Push(AsInt(format[pos] == ';'));
return(StringBuilderCache.GetStringAndRelease(output));
// Anything else is an error
default:
throw new InvalidOperationException(SR.IO_TermInfoInvalid);
}
}
stack.Push(1);
return(StringBuilderCache.GetStringAndRelease(output));
}
/// <summary>
/// Helper function for retrieving a localized string resource via MUI.
/// The function expects a string in the form: "@resource.dll, -123"
///
/// "resource.dll" is a language-neutral portable executable (LNPE) file in
/// the %windir%\system32 directory. The OS is queried to find the best-fit
/// localized resource file for this LNPE (ex: %windir%\system32\en-us\resource.dll.mui).
/// If a localized resource file exists, we LoadString resource ID "123" and
/// return it to our caller.
/// </summary>
private static string TryGetLocalizedNameByMuiNativeResource(string resource)
{
if (string.IsNullOrEmpty(resource))
{
return(string.Empty);
}
// parse "@tzres.dll, -100"
//
// filePath = "C:\Windows\System32\tzres.dll"
// resourceId = -100
//
string[] resources = resource.Split(',');
if (resources.Length != 2)
{
return(string.Empty);
}
string filePath;
int resourceId;
// get the path to Windows\System32
string system32 = Environment.SystemDirectory;
// trim the string "@tzres.dll" => "tzres.dll"
string tzresDll = resources[0].TrimStart('@');
try
{
filePath = Path.Combine(system32, tzresDll);
}
catch (ArgumentException)
{
// there were probably illegal characters in the path
return(string.Empty);
}
if (!int.TryParse(resources[1], NumberStyles.Integer, CultureInfo.InvariantCulture, out resourceId))
{
return(string.Empty);
}
resourceId = -resourceId;
try
{
StringBuilder fileMuiPath = StringBuilderCache.Acquire(Path.MaxPath);
fileMuiPath.Length = Path.MaxPath;
int fileMuiPathLength = Path.MaxPath;
int languageLength = 0;
long enumerator = 0;
bool succeeded = UnsafeNativeMethods.GetFileMUIPath(
Win32Native.MUI_PREFERRED_UI_LANGUAGES,
filePath, null /* language */, ref languageLength,
fileMuiPath, ref fileMuiPathLength, ref enumerator);
if (!succeeded)
{
StringBuilderCache.Release(fileMuiPath);
return(string.Empty);
}
return(TryGetLocalizedNameByNativeResource(StringBuilderCache.GetStringAndRelease(fileMuiPath), resourceId));
}
catch (EntryPointNotFoundException)
{
return(string.Empty);
}
}
