summaryrefslogtreecommitdiff
path: root/src/mscorlib/src/System/Globalization/TextInfo.cs
diff options
context:
space:
mode:
Diffstat (limited to 'src/mscorlib/src/System/Globalization/TextInfo.cs')
-rw-r--r--src/mscorlib/src/System/Globalization/TextInfo.cs860
1 files changed, 389 insertions, 471 deletions
diff --git a/src/mscorlib/src/System/Globalization/TextInfo.cs b/src/mscorlib/src/System/Globalization/TextInfo.cs
index 9ece275dd3..fecd2b2970 100644
--- a/src/mscorlib/src/System/Globalization/TextInfo.cs
+++ b/src/mscorlib/src/System/Globalization/TextInfo.cs
@@ -12,27 +12,19 @@
//
////////////////////////////////////////////////////////////////////////////
-using System.Security;
-
-namespace System.Globalization {
- using System;
- using System.Text;
- using System.Threading;
- using System.Runtime;
- using System.Runtime.InteropServices;
- using System.Runtime.CompilerServices;
- using System.Runtime.Serialization;
- using System.Runtime.Versioning;
- using System.Diagnostics;
- using System.Diagnostics.Contracts;
-
+using System.Diagnostics;
+using System.Diagnostics.Contracts;
+using System.Runtime.Serialization;
+using System.Text;
+namespace System.Globalization
+{
[Serializable]
public partial class TextInfo : ICloneable, IDeserializationCallback
{
- //--------------------------------------------------------------------//
- // Internal Information //
- //--------------------------------------------------------------------//
+ ////--------------------------------------------------------------------//
+ //// Internal Information //
+ ////--------------------------------------------------------------------//
private enum Tristate : byte
{
@@ -41,49 +33,42 @@ namespace System.Globalization {
False,
}
- //
- // Variables.
- //
+ ////
+ //// Variables.
+ ////
[OptionalField(VersionAdded = 2)]
- private String m_listSeparator;
-
+ private String _listSeparator;
[OptionalField(VersionAdded = 2)]
- private bool m_isReadOnly = false;
-
- //
- // In Whidbey we had several names:
- // m_win32LangID is the name of the culture, but only used for (de)serialization.
- // customCultureName is the name of the creating custom culture (if custom) In combination with m_win32LangID
- // this is authoratative, ie when deserializing.
- // m_cultureTableRecord was the data record of the creating culture. (could have different name if custom)
- // m_textInfoID is the LCID of the textinfo itself (no longer used)
- // m_name is the culture name (from cultureinfo.name)
- //
- // In Silverlight/Arrowhead this is slightly different:
- // m_cultureName is the name of the creating culture. Note that we consider this authoratative,
- // if the culture's textinfo changes when deserializing, then behavior may change.
- // (ala Whidbey behavior). This is the only string Arrowhead needs to serialize.
- // m_cultureData is the data that backs this class.
- // m_textInfoName is the actual name of the textInfo (from cultureData.STEXTINFO)
- // m_textInfoName can be the same as m_cultureName on Silverlight since the OS knows
- // how to do the sorting. However in the desktop, when we call the sorting dll, it doesn't
- // know how to resolve custom locle names to sort ids so we have to have alredy resolved this.
- //
+ private bool _isReadOnly = false;
+
+ //// _cultureName is the name of the creating culture. Note that we consider this authoratative,
+ //// if the culture's textinfo changes when deserializing, then behavior may change.
+ //// (ala Whidbey behavior). This is the only string Arrowhead needs to serialize.
+ //// _cultureData is the data that backs this class.
+ //// _textInfoName is the actual name of the textInfo (from cultureData.STEXTINFO)
+ //// this can be the same as _cultureName on Silverlight since the OS knows
+ //// how to do the sorting. However in the desktop, when we call the sorting dll, it doesn't
+ //// know how to resolve custom locle names to sort ids so we have to have alredy resolved this.
+ ////
[OptionalField(VersionAdded = 3)]
- private String m_cultureName; // Name of the culture that created this text info
- [NonSerialized]private CultureData m_cultureData; // Data record for the culture that made us, not for this textinfo
- [NonSerialized]private String m_textInfoName; // Name of the text info we're using (ie: m_cultureData.STEXTINFO)
- [NonSerialized]private IntPtr m_dataHandle; // Sort handle
- [NonSerialized]private IntPtr m_handleOrigin;
- [NonSerialized]private Tristate m_IsAsciiCasingSameAsInvariant = Tristate.NotInitialized;
-
+ private String _cultureName; // Name of the culture that created this text info
+ [NonSerialized]
+ private CultureData _cultureData; // Data record for the culture that made us, not for this textinfo
+ [NonSerialized]
+ private String _textInfoName; // Name of the text info we're using (ie: _cultureData.STEXTINFO)
+ [NonSerialized]
+ private Tristate _isAsciiCasingSameAsInvariant = Tristate.NotInitialized;
+
+ // _invariantMode is defined for the perf reason as accessing the instance field is faster than access the static property GlobalizationMode.Invariant
+ [NonSerialized]
+ private readonly bool _invariantMode = GlobalizationMode.Invariant;
// Invariant text info
- internal static TextInfo Invariant
+ internal static TextInfo Invariant
{
- get
+ get
{
if (s_Invariant == null)
s_Invariant = new TextInfo(CultureData.Invariant);
@@ -92,88 +77,31 @@ namespace System.Globalization {
}
internal volatile static TextInfo s_Invariant;
- ////////////////////////////////////////////////////////////////////////
- //
- // TextInfo Constructors
- //
- // Implements CultureInfo.TextInfo.
- //
- ////////////////////////////////////////////////////////////////////////
- internal TextInfo(CultureData cultureData)
+ //////////////////////////////////////////////////////////////////////////
+ ////
+ //// TextInfo Constructors
+ ////
+ //// Implements CultureInfo.TextInfo.
+ ////
+ //////////////////////////////////////////////////////////////////////////
+ internal unsafe TextInfo(CultureData cultureData)
{
// This is our primary data source, we don't need most of the rest of this
- this.m_cultureData = cultureData;
- this.m_cultureName = this.m_cultureData.CultureName;
- this.m_textInfoName = this.m_cultureData.STEXTINFO;
+ _cultureData = cultureData;
+ _cultureName = _cultureData.CultureName;
+ _textInfoName = _cultureData.STEXTINFO;
+ FinishInitialization(_textInfoName);
}
- ////////////////////////////////////////////////////////////////////////
- //
- // Serialization / Deserialization
- //
- // Note that we have to respect the Whidbey behavior for serialization compatibility
- //
- ////////////////////////////////////////////////////////////////////////
-
-#region Serialization
- // the following fields are defined to keep the compatibility with Whidbey.
- // don't change/remove the names/types of these fields.
- [OptionalField(VersionAdded = 2)]
- private string customCultureName;
-
- // the following fields are defined to keep compatibility with Everett.
- // don't change/remove the names/types of these fields.
- [OptionalField(VersionAdded = 1)]
- internal int m_nDataItem;
- [OptionalField(VersionAdded = 1)]
- internal bool m_useUserOverride;
- [OptionalField(VersionAdded = 1)]
- internal int m_win32LangID;
-
-
- [OnDeserializing]
- private void OnDeserializing(StreamingContext ctx)
- {
- // Clear these so we can check if we've fixed them yet
- this.m_cultureData = null;
- this.m_cultureName = null;
- }
+ [OnSerializing]
+ private void OnSerializing(StreamingContext ctx) { }
- private void OnDeserialized()
+ [OnDeserializing]
+ private void OnDeserializing(StreamingContext ctx)
{
- // this method will be called twice because of the support of IDeserializationCallback
- if (this.m_cultureData == null)
- {
- if (this.m_cultureName == null)
- {
- // This is whidbey data, get it from customCultureName/win32langid
- if (this.customCultureName != null)
- {
- // They gave a custom cultuer name, so use that
- this.m_cultureName = this.customCultureName;
- }
-#if FEATURE_USE_LCID
- else
- {
- if (m_win32LangID == 0)
- {
- // m_cultureName and m_win32LangID are nulls which means we got uninitialized textinfo serialization stream.
- // To be compatible with v2/3/3.5 we need to return ar-SA TextInfo in this case.
- m_cultureName = "ar-SA";
- }
- else
- {
- // No custom culture, use the name from the LCID
- m_cultureName = CultureInfo.GetCultureInfo(m_win32LangID).m_cultureData.CultureName;
- }
- }
-#endif
- }
-
- // Get the text info name belonging to that culture
- this.m_cultureData = CultureInfo.GetCultureInfo(m_cultureName).m_cultureData;
- this.m_textInfoName = this.m_cultureData.STEXTINFO;
- }
+ // Clear these so we can check if we've fixed them yet
+ _cultureData = null;
+ _cultureName = null;
}
[OnDeserialized]
@@ -182,142 +110,56 @@ namespace System.Globalization {
OnDeserialized();
}
- [OnSerializing]
- private void OnSerializing(StreamingContext ctx)
+ void IDeserializationCallback.OnDeserialization(Object sender)
{
- // Relabel our name since Whidbey expects it to be called customCultureName
- this.customCultureName = this.m_cultureName;
+ OnDeserialized();
+ }
-#if FEATURE_USE_LCID
- // Ignore the m_win32LangId because whidbey'll just get it by name if we make it the LOCALE_CUSTOM_UNSPECIFIED.
- this.m_win32LangID = (CultureInfo.GetCultureInfo(m_cultureName)).LCID;
-#endif
- }
-
-#endregion Serialization
+ private void OnDeserialized()
+ {
+ // this method will be called twice because of the support of IDeserializationCallback
+ if (_cultureData == null)
+ {
+ // Get the text info name belonging to that culture
+ _cultureData = CultureInfo.GetCultureInfo(_cultureName)._cultureData;
+ _textInfoName = _cultureData.STEXTINFO;
+ FinishInitialization(_textInfoName);
+ }
+ }
//
// Internal ordinal comparison functions
//
- internal static int GetHashCodeOrdinalIgnoreCase(String s)
- {
- return GetHashCodeOrdinalIgnoreCase(s, false, 0);
- }
- internal static int GetHashCodeOrdinalIgnoreCase(String s, bool forceRandomizedHashing, long additionalEntropy)
+ internal static int GetHashCodeOrdinalIgnoreCase(String s)
{
// This is the same as an case insensitive hash for Invariant
// (not necessarily true for sorting, but OK for casing & then we apply normal hash code rules)
- return (Invariant.GetCaseInsensitiveHashCode(s, forceRandomizedHashing, additionalEntropy));
- }
-
- internal static unsafe bool TryFastFindStringOrdinalIgnoreCase(int searchFlags, String source, int startIndex, String value, int count, ref int foundIndex)
- {
- return InternalTryFindStringOrdinalIgnoreCase(searchFlags, source, count, startIndex, value, value.Length, ref foundIndex);
- }
-
- // This function doesn't check arguments. Please do check in the caller.
- // The underlying unmanaged code will assert the sanity of arguments.
- internal static unsafe int CompareOrdinalIgnoreCase(String str1, String str2)
- {
- // Compare the whole string and ignore case.
- return InternalCompareStringOrdinalIgnoreCase(str1, 0, str2, 0, str1.Length, str2.Length);
- }
-
- // This function doesn't check arguments. Please do check in the caller.
- // The underlying unmanaged code will assert the sanity of arguments.
- internal static unsafe int CompareOrdinalIgnoreCaseEx(String strA, int indexA, String strB, int indexB, int lengthA, int lengthB )
- {
- Debug.Assert(strA.Length >= indexA + lengthA, "[TextInfo.CompareOrdinalIgnoreCaseEx] Caller should've validated strA.Length >= indexA + lengthA");
- Debug.Assert(strB.Length >= indexB + lengthB, "[TextInfo.CompareOrdinalIgnoreCaseEx] Caller should've validated strB.Length >= indexB + lengthB");
- return InternalCompareStringOrdinalIgnoreCase(strA, indexA, strB, indexB, lengthA, lengthB);
+ return (Invariant.GetCaseInsensitiveHashCode(s));
}
+ // Currently we don't have native functions to do this, so we do it the hard way
internal static int IndexOfStringOrdinalIgnoreCase(String source, String value, int startIndex, int count)
{
- Debug.Assert(source != null, "[TextInfo.IndexOfStringOrdinalIgnoreCase] Caller should've validated source != null");
- Debug.Assert(value != null, "[TextInfo.IndexOfStringOrdinalIgnoreCase] Caller should've validated value != null");
- Debug.Assert(startIndex + count <= source.Length, "[TextInfo.IndexOfStringOrdinalIgnoreCase] Caller should've validated startIndex + count <= source.Length");
-
- // We return 0 if both inputs are empty strings
- if (source.Length == 0 && value.Length == 0)
+ if (count > source.Length || count < 0 || startIndex < 0 || startIndex >= source.Length || startIndex + count > source.Length)
{
- return 0;
+ return -1;
}
- // fast path
- int ret = -1;
- if (TryFastFindStringOrdinalIgnoreCase(Microsoft.Win32.Win32Native.FIND_FROMSTART, source, startIndex, value, count, ref ret))
- return ret;
-
- // the search space within [source] starts at offset [startIndex] inclusive and includes
- // [count] characters (thus the last included character is at index [startIndex + count -1]
- // [end] is the index of the next character after the search space
- // (it points past the end of the search space)
- int end = startIndex + count;
-
- // maxStartIndex is the index beyond which we never *start* searching, inclusive; in other words;
- // a search could include characters beyond maxStartIndex, but we'd never begin a search at an
- // index strictly greater than maxStartIndex.
- int maxStartIndex = end - value.Length;
-
- for (; startIndex <= maxStartIndex; startIndex++)
- {
- // We should always have the same or more characters left to search than our actual pattern
- Debug.Assert(end - startIndex >= value.Length);
- // since this is an ordinal comparison, we can assume that the lengths must match
- if (CompareOrdinalIgnoreCaseEx(source, startIndex, value, 0, value.Length, value.Length) == 0)
- {
- return startIndex;
- }
- }
-
- // Not found
- return -1;
+ return CultureInfo.InvariantCulture.CompareInfo.IndexOfOrdinal(source, value, startIndex, count, ignoreCase: true);
}
+ // Currently we don't have native functions to do this, so we do it the hard way
internal static int LastIndexOfStringOrdinalIgnoreCase(String source, String value, int startIndex, int count)
{
- Debug.Assert(source != null, "[TextInfo.LastIndexOfStringOrdinalIgnoreCase] Caller should've validated source != null");
- Debug.Assert(value != null, "[TextInfo.LastIndexOfStringOrdinalIgnoreCase] Caller should've validated value != null");
- Debug.Assert(startIndex - count+1 >= 0, "[TextInfo.LastIndexOfStringOrdinalIgnoreCase] Caller should've validated startIndex - count+1 >= 0");
- Debug.Assert(startIndex <= source.Length, "[TextInfo.LastIndexOfStringOrdinalIgnoreCase] Caller should've validated startIndex <= source.Length");
-
- // If value is Empty, the return value is startIndex
- if (value.Length == 0)
- {
- return startIndex;
- }
-
- // fast path
- int ret = -1;
- if (TryFastFindStringOrdinalIgnoreCase(Microsoft.Win32.Win32Native.FIND_FROMEND, source, startIndex, value, count, ref ret))
- return ret;
-
- // the search space within [source] ends at offset [startIndex] inclusive
- // and includes [count] characters
- // minIndex is the first included character and is at index [startIndex - count + 1]
- int minIndex = startIndex - count + 1;
-
- // First place we can find it is start index - (value.length -1)
- if (value.Length > 0)
+ if (count > source.Length || count < 0 || startIndex < 0 || startIndex > source.Length - 1 || (startIndex - count + 1 < 0))
{
- startIndex -= (value.Length - 1);
+ return -1;
}
- for (; startIndex >= minIndex; startIndex--)
- {
- if (CompareOrdinalIgnoreCaseEx(source, startIndex, value, 0, value.Length, value.Length) == 0)
- {
- return startIndex;
- }
- }
-
- // Not found
- return -1;
+ return CultureInfo.InvariantCulture.CompareInfo.LastIndexOfOrdinal(source, value, startIndex, count, ignoreCase: true);
}
-
////////////////////////////////////////////////////////////////////////
//
// CodePage
@@ -331,72 +173,62 @@ namespace System.Globalization {
////////////////////////////////////////////////////////////////////////
- public virtual int ANSICodePage
+ public virtual int ANSICodePage
{
- get
+ get
{
- return (this.m_cultureData.IDEFAULTANSICODEPAGE);
+ return (_cultureData.IDEFAULTANSICODEPAGE);
}
}
-
- public virtual int OEMCodePage
+
+ public virtual int OEMCodePage
{
- get
+ get
{
- return (this.m_cultureData.IDEFAULTOEMCODEPAGE);
+ return (_cultureData.IDEFAULTOEMCODEPAGE);
}
}
- public virtual int MacCodePage
+ public virtual int MacCodePage
{
- get
+ get
{
- return (this.m_cultureData.IDEFAULTMACCODEPAGE);
+ return (_cultureData.IDEFAULTMACCODEPAGE);
}
}
- public virtual int EBCDICCodePage
+ public virtual int EBCDICCodePage
{
- get
+ get
{
- return (this.m_cultureData.IDEFAULTEBCDICCODEPAGE);
+ return (_cultureData.IDEFAULTEBCDICCODEPAGE);
}
}
- ////////////////////////////////////////////////////////////////////////
- //
- // LCID
- //
- // We need a way to get an LCID from outside of the BCL. This prop is the way.
- // NOTE: neutral cultures will cause GPS incorrect LCIDS from this
- //
- ////////////////////////////////////////////////////////////////////////
-
-#if FEATURE_USE_LCID
public int LCID
{
- get
+ get
{
// Just use the LCID from our text info name
- return CultureInfo.GetCultureInfo(this.m_textInfoName).LCID;
+ return CultureInfo.GetCultureInfo(_textInfoName).LCID;
}
}
-#endif
- ////////////////////////////////////////////////////////////////////////
- //
- // CultureName
- //
- // The name of the culture associated with the current TextInfo.
- //
- ////////////////////////////////////////////////////////////////////////
- public string CultureName
+
+ //////////////////////////////////////////////////////////////////////////
+ ////
+ //// CultureName
+ ////
+ //// The name of the culture associated with the current TextInfo.
+ ////
+ //////////////////////////////////////////////////////////////////////////
+ public string CultureName
{
- get
+ get
{
- return(this.m_textInfoName);
+ return _textInfoName;
}
}
@@ -407,25 +239,25 @@ namespace System.Globalization {
// Detect if the object is readonly.
//
////////////////////////////////////////////////////////////////////////
- public bool IsReadOnly
+ public bool IsReadOnly
{
- get { return (m_isReadOnly); }
+ get { return (_isReadOnly); }
}
- ////////////////////////////////////////////////////////////////////////
- //
- // Clone
- //
- // Is the implementation of ICloneable.
- //
- ////////////////////////////////////////////////////////////////////////
- public virtual Object Clone()
+ //////////////////////////////////////////////////////////////////////////
+ ////
+ //// Clone
+ ////
+ //// Is the implementation of ICloneable.
+ ////
+ //////////////////////////////////////////////////////////////////////////
+ public virtual object Clone()
{
object o = MemberwiseClone();
- ((TextInfo) o).SetReadOnlyState(false);
+ ((TextInfo)o).SetReadOnlyState(false);
return (o);
}
-
+
////////////////////////////////////////////////////////////////////////
//
// ReadOnly
@@ -434,30 +266,29 @@ namespace System.Globalization {
// readonly.
//
////////////////////////////////////////////////////////////////////////
- public static TextInfo ReadOnly(TextInfo textInfo)
+ public static TextInfo ReadOnly(TextInfo textInfo)
{
- if (textInfo == null) { throw new ArgumentNullException(nameof(textInfo)); }
+ if (textInfo == null) { throw new ArgumentNullException(nameof(textInfo)); }
Contract.EndContractBlock();
- if (textInfo.IsReadOnly) { return (textInfo); }
-
+ if (textInfo.IsReadOnly) { return (textInfo); }
+
TextInfo clonedTextInfo = (TextInfo)(textInfo.MemberwiseClone());
clonedTextInfo.SetReadOnlyState(true);
-
+
return (clonedTextInfo);
}
private void VerifyWritable()
{
- if (m_isReadOnly)
+ if (_isReadOnly)
{
- throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_ReadOnly"));
+ throw new InvalidOperationException(SR.InvalidOperation_ReadOnly);
}
- Contract.EndContractBlock();
}
internal void SetReadOnlyState(bool readOnly)
{
- m_isReadOnly = readOnly;
+ _isReadOnly = readOnly;
}
@@ -468,27 +299,25 @@ namespace System.Globalization {
// Returns the string used to separate items in a list.
//
////////////////////////////////////////////////////////////////////////
-
-
- public virtual String ListSeparator
+ public virtual String ListSeparator
{
- get
+ get
{
- if (m_listSeparator == null) {
- m_listSeparator = this.m_cultureData.SLIST;
+ if (_listSeparator == null)
+ {
+ _listSeparator = _cultureData.SLIST;
}
- return (m_listSeparator);
+ return (_listSeparator);
}
- set
+ set
{
- if (value == null)
+ if (value == null)
{
- throw new ArgumentNullException(nameof(value), Environment.GetResourceString("ArgumentNull_String"));
+ throw new ArgumentNullException(nameof(value), SR.ArgumentNull_String);
}
- Contract.EndContractBlock();
VerifyWritable();
- m_listSeparator = value;
+ _listSeparator = value;
}
}
@@ -500,28 +329,123 @@ namespace System.Globalization {
// have different casing semantics from the file systems in Win32.
//
////////////////////////////////////////////////////////////////////////
-
- public unsafe virtual char ToLower(char c)
+ public unsafe virtual char ToLower(char c)
{
- if(IsAscii(c) && IsAsciiCasingSameAsInvariant)
+ if (_invariantMode || (IsAscii(c) && IsAsciiCasingSameAsInvariant))
{
return ToLowerAsciiInvariant(c);
}
- return (InternalChangeCaseChar(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, c, false));
+
+ return (ChangeCase(c, toUpper: false));
}
- public unsafe virtual String ToLower(String str)
+ public unsafe virtual String ToLower(String str)
{
if (str == null) { throw new ArgumentNullException(nameof(str)); }
- Contract.EndContractBlock();
- return InternalChangeCaseString(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, str, false);
+ if (_invariantMode)
+ {
+ return ToLowerAsciiInvariant(str);
+ }
+ return ChangeCase(str, toUpper: false);
}
- static private Char ToLowerAsciiInvariant(Char c)
+ private unsafe string ToLowerAsciiInvariant(string s)
{
- if ('A' <= c && c <= 'Z')
+ if (s.Length == 0)
+ {
+ return string.Empty;
+ }
+
+ fixed (char* pSource = s)
+ {
+ int i = 0;
+ while (i < s.Length)
+ {
+ if ((uint)(pSource[i] - 'A') <= (uint)('Z' - 'A'))
+ {
+ break;
+ }
+ i++;
+ }
+
+ if (i >= s.Length)
+ {
+ return s;
+ }
+
+ string result = string.FastAllocateString(s.Length);
+ fixed (char* pResult = result)
+ {
+ for (int j = 0; j < i; j++)
+ {
+ pResult[j] = pSource[j];
+ }
+
+ pResult[i] = (Char)(pSource[i] | 0x20);
+ i++;
+
+ while (i < s.Length)
+ {
+ pResult[i] = ToLowerAsciiInvariant(pSource[i]);
+ i++;
+ }
+ }
+
+ return result;
+ }
+ }
+
+ private unsafe string ToUpperAsciiInvariant(string s)
+ {
+ if (s.Length == 0)
+ {
+ return string.Empty;
+ }
+
+ fixed (char* pSource = s)
+ {
+ int i = 0;
+ while (i < s.Length)
+ {
+ if ((uint)(pSource[i] - 'a') <= (uint)('z' - 'a'))
+ {
+ break;
+ }
+ i++;
+ }
+
+ if (i >= s.Length)
+ {
+ return s;
+ }
+
+ string result = string.FastAllocateString(s.Length);
+ fixed (char* pResult = result)
+ {
+ for (int j = 0; j < i; j++)
+ {
+ pResult[j] = pSource[j];
+ }
+
+ pResult[i] = (char)(pSource[i] & ~0x20);
+ i++;
+
+ while (i < s.Length)
+ {
+ pResult[i] = ToUpperAsciiInvariant(pSource[i]);
+ i++;
+ }
+ }
+
+ return result;
+ }
+ }
+
+ private static Char ToLowerAsciiInvariant(Char c)
+ {
+ if ((uint)(c - 'A') <= (uint)('Z' - 'A'))
{
c = (Char)(c | 0x20);
}
@@ -536,34 +460,38 @@ namespace System.Globalization {
// have different casing semantics from the file systems in Win32.
//
////////////////////////////////////////////////////////////////////////
-
- public unsafe virtual char ToUpper(char c)
+ public unsafe virtual char ToUpper(char c)
{
- if (IsAscii(c) && IsAsciiCasingSameAsInvariant)
+ if (_invariantMode || (IsAscii(c) && IsAsciiCasingSameAsInvariant))
{
return ToUpperAsciiInvariant(c);
}
- return (InternalChangeCaseChar(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, c, true));
+
+ return (ChangeCase(c, toUpper: true));
}
-
- public unsafe virtual String ToUpper(String str)
+ public unsafe virtual String ToUpper(String str)
{
if (str == null) { throw new ArgumentNullException(nameof(str)); }
- Contract.EndContractBlock();
- return InternalChangeCaseString(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, str, true);
+
+ if (_invariantMode)
+ {
+ return ToUpperAsciiInvariant(str);
+ }
+
+ return ChangeCase(str, toUpper: true);
}
- static private Char ToUpperAsciiInvariant(Char c)
+ private static Char ToUpperAsciiInvariant(Char c)
{
- if ('a' <= c && c <= 'z')
+ if ((uint)(c - 'a') <= (uint)('z' - 'a'))
{
c = (Char)(c & ~0x20);
}
return c;
}
- static private bool IsAscii(Char c)
+ private static bool IsAscii(Char c)
{
return c < 0x80;
}
@@ -572,14 +500,25 @@ namespace System.Globalization {
{
get
{
- if (m_IsAsciiCasingSameAsInvariant == Tristate.NotInitialized)
+ if (_isAsciiCasingSameAsInvariant == Tristate.NotInitialized)
{
- m_IsAsciiCasingSameAsInvariant =
- CultureInfo.GetCultureInfo(m_textInfoName).CompareInfo.Compare("abcdefghijklmnopqrstuvwxyz",
+ _isAsciiCasingSameAsInvariant = CultureInfo.GetCultureInfo(_textInfoName).CompareInfo.Compare("abcdefghijklmnopqrstuvwxyz",
"ABCDEFGHIJKLMNOPQRSTUVWXYZ",
CompareOptions.IgnoreCase) == 0 ? Tristate.True : Tristate.False;
}
- return m_IsAsciiCasingSameAsInvariant == Tristate.True;
+ return _isAsciiCasingSameAsInvariant == Tristate.True;
+ }
+ }
+
+ // IsRightToLeft
+ //
+ // Returns true if the dominant direction of text and UI such as the relative position of buttons and scroll bars
+ //
+ public bool IsRightToLeft
+ {
+ get
+ {
+ return _cultureData.IsRightToLeft;
}
}
@@ -591,21 +530,18 @@ namespace System.Globalization {
// or not object refers to the same CultureInfo as the current instance.
//
////////////////////////////////////////////////////////////////////////
-
-
public override bool Equals(Object obj)
{
TextInfo that = obj as TextInfo;
-
+
if (that != null)
{
return this.CultureName.Equals(that.CultureName);
}
-
+
return (false);
}
-
////////////////////////////////////////////////////////////////////////
//
// GetHashCode
@@ -615,14 +551,11 @@ namespace System.Globalization {
// and B where A.Equals(B) is true.
//
////////////////////////////////////////////////////////////////////////
-
-
public override int GetHashCode()
{
return (this.CultureName.GetHashCode());
}
-
////////////////////////////////////////////////////////////////////////
//
// ToString
@@ -631,14 +564,11 @@ namespace System.Globalization {
// TextInfo.
//
////////////////////////////////////////////////////////////////////////
-
-
public override String ToString()
{
- return ("TextInfo - " + this.m_cultureData.CultureName);
+ return ("TextInfo - " + _cultureData.CultureName);
}
-
//
// Titlecasing:
// -----------
@@ -653,41 +583,44 @@ namespace System.Globalization {
// influence which letter or letters of a "word" are uppercased when titlecasing strings. For example
// "l'arbre" is considered two words in French, whereas "can't" is considered one word in English.
//
- //
- // Differences between UNICODE 5.0 and the .NET Framework:
- // -------------------------------------------------------------------------------------
- // The .NET Framework previously shipped a naive titlecasing implementation. Every word is titlecased
- // regardless of language or orthographic practice. Furthermore, apostrophe is always considered to be
- // a word joiner as used in English. The longterm vision is to depend on the operating system for
- // titlecasing. Windows 7 is expected to be the first release with this feature. On the Macintosh side,
- // titlecasing is not available as of version 10.5 of the operating system.
- //
- public unsafe String ToTitleCase(String str)
+ public unsafe String ToTitleCase(String str)
{
- if (str == null)
+ if (str == null)
{
throw new ArgumentNullException(nameof(str));
}
Contract.EndContractBlock();
- if (str.Length == 0)
+ if (str.Length == 0)
{
return (str);
}
StringBuilder result = new StringBuilder();
- String lowercaseData = null;
+ string lowercaseData = null;
+ // Store if the current culture is Dutch (special case)
+ bool isDutchCulture = CultureName.StartsWith("nl-", StringComparison.OrdinalIgnoreCase);
- for (int i = 0; i < str.Length; i++)
+ for (int i = 0; i < str.Length; i++)
{
UnicodeCategory charType;
int charLen;
charType = CharUnicodeInfo.InternalGetUnicodeCategory(str, i, out charLen);
- if (Char.CheckLetter(charType))
+ if (Char.CheckLetter(charType))
{
- // Do the titlecasing for the first character of the word.
- i = AddTitlecaseLetter(ref result, ref str, i, charLen) + 1;
-
+ // Special case to check for Dutch specific titlecasing with "IJ" characters
+ // at the beginning of a word
+ if (isDutchCulture && i < str.Length - 1 && (str[i] == 'i' || str[i] == 'I') && (str[i+1] == 'j' || str[i+1] == 'J'))
+ {
+ result.Append("IJ");
+ i += 2;
+ }
+ else
+ {
+ // Do the titlecasing for the first character of the word.
+ i = AddTitlecaseLetter(ref result, ref str, i, charLen) + 1;
+ }
+
//
// Convert the characters until the end of the this word
// to lowercase.
@@ -700,42 +633,42 @@ namespace System.Globalization {
//
bool hasLowerCase = (charType == UnicodeCategory.LowercaseLetter);
// Use a loop to find all of the other letters following this letter.
- while (i < str.Length)
+ while (i < str.Length)
{
charType = CharUnicodeInfo.InternalGetUnicodeCategory(str, i, out charLen);
- if (IsLetterCategory(charType))
+ if (IsLetterCategory(charType))
{
- if (charType == UnicodeCategory.LowercaseLetter)
+ if (charType == UnicodeCategory.LowercaseLetter)
{
hasLowerCase = true;
}
i += charLen;
- }
- else if (str[i] == '\'')
+ }
+ else if (str[i] == '\'')
{
i++;
- if (hasLowerCase)
+ if (hasLowerCase)
{
- if (lowercaseData == null)
+ if (lowercaseData == null)
{
lowercaseData = this.ToLower(str);
}
result.Append(lowercaseData, lowercaseStart, i - lowercaseStart);
- }
- else
+ }
+ else
{
result.Append(str, lowercaseStart, i - lowercaseStart);
}
lowercaseStart = i;
hasLowerCase = true;
- }
- else if (!IsWordSeparator(charType))
+ }
+ else if (!IsWordSeparator(charType))
{
// This category is considered to be part of the word.
// This is any category that is marked as false in wordSeprator array.
i+= charLen;
- }
- else
+ }
+ else
{
// A word separator. Break out of the loop.
break;
@@ -744,29 +677,29 @@ namespace System.Globalization {
int count = i - lowercaseStart;
- if (count>0)
+ if (count > 0)
{
- if (hasLowerCase)
+ if (hasLowerCase)
{
- if (lowercaseData == null)
+ if (lowercaseData == null)
{
lowercaseData = this.ToLower(str);
}
result.Append(lowercaseData, lowercaseStart, count);
- }
- else
+ }
+ else
{
result.Append(str, lowercaseStart, count);
}
}
- if (i < str.Length)
+ if (i < str.Length)
{
// not a letter, just append it
i = AddNonLetter(ref result, ref str, i, charLen);
}
}
- else
+ else
{
// not a letter, just append it
i = AddNonLetter(ref result, ref str, i, charLen);
@@ -775,75 +708,73 @@ namespace System.Globalization {
return (result.ToString());
}
- private static int AddNonLetter(ref StringBuilder result, ref String input, int inputIndex, int charLen)
+ private static int AddNonLetter(ref StringBuilder result, ref String input, int inputIndex, int charLen)
{
Debug.Assert(charLen == 1 || charLen == 2, "[TextInfo.AddNonLetter] CharUnicodeInfo.InternalGetUnicodeCategory returned an unexpected charLen!");
- if (charLen == 2)
+ if (charLen == 2)
{
// Surrogate pair
result.Append(input[inputIndex++]);
result.Append(input[inputIndex]);
}
- else
+ else
{
result.Append(input[inputIndex]);
- }
+ }
return inputIndex;
}
-
- private int AddTitlecaseLetter(ref StringBuilder result, ref String input, int inputIndex, int charLen)
+ private int AddTitlecaseLetter(ref StringBuilder result, ref String input, int inputIndex, int charLen)
{
Debug.Assert(charLen == 1 || charLen == 2, "[TextInfo.AddTitlecaseLetter] CharUnicodeInfo.InternalGetUnicodeCategory returned an unexpected charLen!");
// for surrogate pairs do a simple ToUpper operation on the substring
- if (charLen == 2)
+ if (charLen == 2)
{
// Surrogate pair
- result.Append( this.ToUpper(input.Substring(inputIndex, charLen)) );
+ result.Append(ToUpper(input.Substring(inputIndex, charLen)));
inputIndex++;
}
- else
+ else
{
- switch (input[inputIndex])
+ switch (input[inputIndex])
{
//
// For AppCompat, the Titlecase Case Mapping data from NDP 2.0 is used below.
- case (char)0x01C4: // DZ with Caron -> Dz with Caron
- case (char)0x01C5: // Dz with Caron -> Dz with Caron
- case (char)0x01C6: // dz with Caron -> Dz with Caron
- result.Append( (char)0x01C5 );
+ case (char) 0x01C4: // DZ with Caron -> Dz with Caron
+ case (char) 0x01C5: // Dz with Caron -> Dz with Caron
+ case (char) 0x01C6: // dz with Caron -> Dz with Caron
+ result.Append((char) 0x01C5);
break;
- case (char)0x01C7: // LJ -> Lj
- case (char)0x01C8: // Lj -> Lj
- case (char)0x01C9: // lj -> Lj
- result.Append( (char)0x01C8 );
+ case (char) 0x01C7: // LJ -> Lj
+ case (char) 0x01C8: // Lj -> Lj
+ case (char) 0x01C9: // lj -> Lj
+ result.Append((char) 0x01C8);
break;
- case (char)0x01CA: // NJ -> Nj
- case (char)0x01CB: // Nj -> Nj
- case (char)0x01CC: // nj -> Nj
- result.Append( (char)0x01CB );
+ case (char) 0x01CA: // NJ -> Nj
+ case (char) 0x01CB: // Nj -> Nj
+ case (char) 0x01CC: // nj -> Nj
+ result.Append((char) 0x01CB);
break;
- case (char)0x01F1: // DZ -> Dz
- case (char)0x01F2: // Dz -> Dz
- case (char)0x01F3: // dz -> Dz
- result.Append( (char)0x01F2 );
+ case (char) 0x01F1: // DZ -> Dz
+ case (char) 0x01F2: // Dz -> Dz
+ case (char) 0x01F3: // dz -> Dz
+ result.Append((char) 0x01F2);
break;
default:
- result.Append( this.ToUpper(input[inputIndex]) );
+ result.Append(ToUpper(input[inputIndex]));
break;
}
- }
+ }
return inputIndex;
}
-
//
// Used in ToTitleCase():
// When we find a starting letter, the following array decides if a category should be
// considered as word seprator or not.
//
- private const int wordSeparatorMask =
+ private const int c_wordSeparatorMask =
/* false */ (0 << 0) | // UppercaseLetter = 0,
/* false */ (0 << 1) | // LowercaseLetter = 1,
/* false */ (0 << 2) | // TitlecaseLetter = 2,
@@ -874,13 +805,13 @@ namespace System.Globalization {
/* true */ (1 << 27) | // ModifierSymbol = 27,
/* true */ (1 << 28) | // OtherSymbol = 28,
/* false */ (0 << 29); // OtherNotAssigned = 29;
-
+
private static bool IsWordSeparator(UnicodeCategory category)
{
- return (wordSeparatorMask & (1 << (int)category)) != 0;
+ return (c_wordSeparatorMask & (1 << (int) category)) != 0;
}
- private static bool IsLetterCategory(UnicodeCategory uc)
+ private static bool IsLetterCategory(UnicodeCategory uc)
{
return (uc == UnicodeCategory.UppercaseLetter
|| uc == UnicodeCategory.LowercaseLetter
@@ -889,76 +820,63 @@ namespace System.Globalization {
|| uc == UnicodeCategory.OtherLetter);
}
- // IsRightToLeft
//
- // Returns true if the dominant direction of text and UI such as the relative position of buttons and scroll bars
+ // Get case-insensitive hash code for the specified string.
//
- public bool IsRightToLeft
+ internal unsafe int GetCaseInsensitiveHashCode(String str)
{
- get
+ // Validate inputs
+ if (str == null)
{
- return this.m_cultureData.IsRightToLeft;
+ throw new ArgumentNullException(nameof(str));
}
- }
- /// <internalonly/>
- void IDeserializationCallback.OnDeserialization(Object sender)
- {
- OnDeserialized();
- }
+ // This code assumes that ASCII casing is safe for whatever context is passed in.
+ // this is true today, because we only ever call these methods on Invariant. It would be ideal to refactor
+ // these methods so they were correct by construction and we could only ever use Invariant.
- //
- // Get case-insensitive hash code for the specified string.
- //
- // NOTENOTE: this is an internal function. The caller should verify the string
- // is not null before calling this. Currenlty, CaseInsensitiveHashCodeProvider
- // does that.
- //
- internal unsafe int GetCaseInsensitiveHashCode(String str)
- {
- return GetCaseInsensitiveHashCode(str, false, 0);
- }
+ uint hash = 5381;
+ uint c;
- internal unsafe int GetCaseInsensitiveHashCode(String str, bool forceRandomizedHashing, long additionalEntropy)
- {
- // Validate inputs
- if (str==null)
+ // Note: We assume that str contains only ASCII characters until
+ // we hit a non-ASCII character to optimize the common case.
+ for (int i = 0; i < str.Length; i++)
{
- throw new ArgumentNullException(nameof(str));
+ c = str[i];
+ if (c >= 0x80)
+ {
+ return GetCaseInsensitiveHashCodeSlow(str);
+ }
+
+ // If we have a lowercase character, ANDing off 0x20
+ // will make it an uppercase character.
+ if ((c - 'a') <= ('z' - 'a'))
+ {
+ c = (uint)((int)c & ~0x20);
+ }
+
+ hash = ((hash << 5) + hash) ^ c;
}
- Contract.EndContractBlock();
- // Return our result
- return (InternalGetCaseInsHash(this.m_dataHandle, this.m_handleOrigin, this.m_textInfoName, str, forceRandomizedHashing, additionalEntropy));
+ return (int)hash;
}
- // Change case (ToUpper/ToLower) -- COMNlsInfo::InternalChangeCaseChar
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private static unsafe extern char InternalChangeCaseChar(IntPtr handle, IntPtr handleOrigin, String localeName, char ch, bool isToUpper);
-
- // Change case (ToUpper/ToLower) -- COMNlsInfo::InternalChangeCaseString
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private static unsafe extern String InternalChangeCaseString(IntPtr handle, IntPtr handleOrigin, String localeName, String str, bool isToUpper);
-
- // Get case insensitive hash -- ComNlsInfo::InternalGetCaseInsHash
- [MethodImplAttribute(MethodImplOptions.InternalCall)]
- private static unsafe extern int InternalGetCaseInsHash(IntPtr handle, IntPtr handleOrigin, String localeName, String str, bool forceRandomizedHashing, long additionalEntropy);
-
- // Call ::CompareStringOrdinal -- ComNlsInfo::InternalCompareStringOrdinalIgnoreCase
- // Start at indexes and compare for length characters (or remainder of string if length == -1)
- [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
- [SuppressUnmanagedCodeSecurity]
- private static unsafe extern int InternalCompareStringOrdinalIgnoreCase(String string1, int index1, String string2, int index2, int length1, int length2);
-
- // ComNlsInfo::InternalTryFindStringOrdinalIgnoreCase attempts a faster IndexOf/LastIndexOf OrdinalIgnoreCase using a kernel function.
- // Returns true if FindStringOrdinal was handled, with foundIndex set to the target's index into the source
- // Returns false when FindStringOrdinal wasn't handled
- [DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
- [SuppressUnmanagedCodeSecurity]
- [return: MarshalAs(UnmanagedType.Bool)]
- private static unsafe extern bool InternalTryFindStringOrdinalIgnoreCase(int searchFlags, String source, int sourceCount, int startIndex, String target, int targetCount, ref int foundIndex);
- }
+ private unsafe int GetCaseInsensitiveHashCodeSlow(String str)
+ {
+ Debug.Assert(str != null);
-}
+ string upper = ToUpper(str);
+ uint hash = 5381;
+ uint c;
+
+ for (int i = 0; i < upper.Length; i++)
+ {
+ c = upper[i];
+ hash = ((hash << 5) + hash) ^ c;
+ }
+ return (int)hash;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2022-05-21 03:31:48 +0000