Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Speech / Src / Internal / Helpers.cs / 1 / Helpers.cs
//------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------- using System; using System.IO; using System.Globalization; #pragma warning disable 1634, 1691 // Allows suppression of certain PreSharp messages. namespace System.Speech.Internal { internal static class Helpers { //******************************************************************* // // Internal Methods // //******************************************************************* #region Internal Methods // Disable parameter validation check #pragma warning disable 56507 // Throws exception if the specified Rule does not have a valid Id. static internal void ThrowIfEmptyOrNull (string s, string paramName) { if (string.IsNullOrEmpty (s)) { if (s == null) { throw new ArgumentNullException (paramName); } else { throw new ArgumentException (SR.Get (SRID.StringCanNotBeEmpty, paramName), paramName); } } } #pragma warning restore 56507 // Throws exception if the specified Rule does not have a valid Id. static internal void ThrowIfNull (object value, string paramName) { if (value == null) { throw new ArgumentNullException (paramName); } } static internal bool CompareInvariantCulture (CultureInfo culture1, CultureInfo culture2) { // If perfect match easy if (culture1.Equals (culture2)) { return true; } // Compare the Neutral culture while (!culture1.IsNeutralCulture) { culture1 = culture1.Parent; } while (!culture2.IsNeutralCulture) { culture2 = culture2.Parent; } return culture1.Equals (culture2); } // Copy the input cfg to the output. // Streams point to the start of the data on entry and to the end on exit static internal void CopyStream (Stream inputStream, Stream outputStream, int bytesToCopy) { // Copy using an intermediate buffer of a reasonable size. int bufferSize = bytesToCopy > 4096 ? 4096 : bytesToCopy; byte [] buffer = new byte [bufferSize]; int bytesRead; while (bytesToCopy > 0) { bytesRead = inputStream.Read (buffer, 0, bufferSize); if (bytesRead <= 0) { throw new EndOfStreamException (SR.Get (SRID.StreamEndedUnexpectedly)); } outputStream.Write (buffer, 0, bytesRead); bytesToCopy -= bytesRead; } } // Copy the input cfg to the output. // inputStream points to the start of the data on entry and to the end on exit static internal byte [] ReadStreamToByteArray (Stream inputStream, int bytesToCopy) { byte [] outputArray = new byte [bytesToCopy]; BlockingRead (inputStream, outputArray, 0, bytesToCopy); return outputArray; } static internal void BlockingRead (Stream stream, byte [] buffer, int offset, int count) { // Stream is not like IStream - it will block until some data is available but not necessarily all of it. while (count > 0) { int read = stream.Read (buffer, offset, count); if (read <= 0) // End of stream { throw new EndOfStreamException (); } count -= read; offset += read; } } ////// Combine 2 cultures into in a composite one and assign a keyboardLayoutId /// Language /// `country /// /// /// static internal void CombineCulture (string language, string location, CultureInfo parentCulture, int layoutId) { CultureInfo ciLanguage = new CultureInfo (language); RegionInfo riLocation = new RegionInfo (location); String strNewCulture = ciLanguage.TwoLetterISOLanguageName + "-" + riLocation.TwoLetterISORegionName; CultureAndRegionInfoBuilder cb = new CultureAndRegionInfoBuilder (strNewCulture, CultureAndRegionModifiers.None); cb.LoadDataFromRegionInfo (riLocation); cb.LoadDataFromCultureInfo (ciLanguage); // Fix stuff cb.IetfLanguageTag = strNewCulture; cb.Parent = parentCulture; // Need to fix the language names cb.ThreeLetterISOLanguageName = ciLanguage.ThreeLetterISOLanguageName; cb.TwoLetterISOLanguageName = ciLanguage.TwoLetterISOLanguageName; cb.ThreeLetterWindowsLanguageName = ciLanguage.ThreeLetterWindowsLanguageName; // Need the Region Name in the current Language cb.RegionNativeName = riLocation.NativeName; // Fix the culture name(s) string strEnglishLanguageName = ciLanguage.EnglishName.Substring (0, ciLanguage.EnglishName.IndexOf ("(", StringComparison.Ordinal) - 1); string strNativeLanguageName = ciLanguage.NativeName.Substring (0, ciLanguage.NativeName.IndexOf ("(", StringComparison.Ordinal) - 1); ; cb.CultureEnglishName = strEnglishLanguageName + " (" + cb.RegionEnglishName + ")"; cb.CultureNativeName = strNativeLanguageName + " (" + cb.RegionNativeName + ")"; // Currency Name cb.CurrencyNativeName = riLocation.CurrencyNativeName; // Numbers cb.NumberFormat.PositiveInfinitySymbol = ciLanguage.NumberFormat.PositiveInfinitySymbol; cb.NumberFormat.NegativeInfinitySymbol = ciLanguage.NumberFormat.NegativeInfinitySymbol; cb.NumberFormat.NaNSymbol = ciLanguage.NumberFormat.NaNSymbol; // Copy Calendar Strings DateTimeFormatInfo dtfi = cb.GregorianDateTimeFormat; DateTimeFormatInfo dtfiLanguage = ciLanguage.DateTimeFormat; dtfiLanguage.Calendar = new GregorianCalendar (); // Set the layoutId cb.KeyboardLayoutId = layoutId; // Copy calendar data from that gregorian localized calendar dtfi.AbbreviatedDayNames = dtfiLanguage.AbbreviatedDayNames; dtfi.AbbreviatedMonthGenitiveNames = dtfiLanguage.AbbreviatedMonthGenitiveNames; dtfi.AbbreviatedMonthNames = dtfiLanguage.AbbreviatedMonthNames; dtfi.DayNames = dtfiLanguage.DayNames; dtfi.MonthGenitiveNames = dtfiLanguage.MonthGenitiveNames; dtfi.MonthNames = dtfiLanguage.MonthNames; dtfi.ShortestDayNames = dtfiLanguage.ShortestDayNames; // Save it cb.Register (); } #endregion //******************************************************************** // // Internal fields // //******************************************************************* #region Internal fields internal static readonly char [] _achTrimChars = new char [] { ' ', '\t', '\n', '\r' }; // Size of a char (avoid to use the marshal class internal const int _sizeOfChar = 2; #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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