Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / XmlUtils / System / Xml / Xsl / Runtime / XmlCollation.cs / 1 / XmlCollation.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.IO;
namespace System.Xml.Xsl.Runtime {
using Res = System.Xml.Utils.Res;
[EditorBrowsable(EditorBrowsableState.Never)]
public sealed class XmlCollation {
// lgid support for sort
private const int deDE = 0x0407;
private const int huHU = 0x040E;
private const int jaJP = 0x0411;
private const int kaGE = 0x0437;
private const int koKR = 0x0412;
private const int zhTW = 0x0404;
private const int zhCN = 0x0804;
private const int zhHK = 0x0C04;
private const int zhSG = 0x1004;
private const int zhMO = 0x1404;
private const int zhTWbopo = 0x030404;
private const int deDEphon = 0x010407;
private const int huHUtech = 0x01040e;
private const int kaGEmode = 0x010437;
// Sort ID
private const int strksort = 0x02; // Stroke
private const int unicsort = 0x01; // Unicode
// Options
private const string ignoreCaseStr = "IGNORECASE";
private const string ignoreKanatypeStr = "IGNOREKANATYPE";
private const string ignoreNonspaceStr = "IGNORENONSPACE";
private const string ignoreSymbolsStr = "IGNORESYMBOLS";
private const string ignoreWidthStr = "IGNOREWIDTH";
private const string upperFirstStr = "UPPERFIRST";
private const string emptyGreatestStr = "EMPTYGREATEST";
private const string descendingOrderStr = "DESCENDINGORDER";
private const string sortStr = "SORT";
private bool upperFirst;
private bool emptyGreatest;
private bool descendingOrder;
private CultureInfo cultinfo;
private CompareOptions compops;
//-----------------------------------------------
// Constructors
//-----------------------------------------------
///
/// By default, create a collation that uses the current thread's culture, and has no compare options set
///
private XmlCollation() : this(null, CompareOptions.None) {
}
///
/// Construct a collation that uses the specified culture and compare options.
///
private XmlCollation(CultureInfo cultureInfo, CompareOptions compareOptions) {
this.cultinfo = cultureInfo;
this.compops = compareOptions;
}
//-----------------------------------------------
// Create
//-----------------------------------------------
///
/// Singleton collation that sorts according to Unicode code points.
///
private static XmlCollation cp = new XmlCollation(CultureInfo.InvariantCulture, CompareOptions.Ordinal);
internal static XmlCollation CodePointCollation {
get { return cp; }
}
///
/// This function is used in both parser and f&o library, so just strictly map valid literals to XmlCollation.
/// Set compare options one by one:
/// 0, false: no effect; 1, true: yes
/// Disregard unrecognized options.
///
internal static XmlCollation Create(string collationLiteral) {
Debug.Assert(collationLiteral != null, "collation literal should not be null");
if (collationLiteral == XmlReservedNs.NsCollCodePoint) {
return CodePointCollation;
}
XmlCollation coll = new XmlCollation();
Uri collationUri = new Uri(collationLiteral);
string authority = collationUri.GetLeftPart(UriPartial.Authority);
if (authority == XmlReservedNs.NsCollationBase) {
// Language
// at least a '/' will be returned for Uri.LocalPath
string lang = collationUri.LocalPath.Substring(1);
if (lang.Length == 0) {
// Use default culture of current thread (cultinfo = null)
} else {
// Create culture from RFC 1766 string
try {
coll.cultinfo = new CultureInfo(lang);
}
catch (ArgumentException) {
throw new XslTransformException(Res.Coll_UnsupportedLanguage, lang);
}
}
} else if (collationUri.IsBaseOf(new Uri(XmlReservedNs.NsCollCodePoint))) {
// language with codepoint collation is not allowed
coll.compops = CompareOptions.Ordinal;
} else {
// Unrecognized collation
throw new XslTransformException(Res.Coll_Unsupported, collationLiteral);
}
// Sort & Compare option
// at least a '?' will be returned for Uri.Query if not empty
string query = collationUri.Query;
string sort = null;
if (query.Length != 0) {
foreach (string option in query.Substring(1).Split('&')) {
string[] pair = option.Split('=');
if (pair.Length != 2)
throw new XslTransformException(Res.Coll_BadOptFormat, option);
string optionName = pair[0].ToUpper(CultureInfo.InvariantCulture);
string optionValue = pair[1].ToUpper(CultureInfo.InvariantCulture);
if (optionName == sortStr) {
sort = optionValue;
}
else if (optionValue == "1" || optionValue == "TRUE") {
switch (optionName) {
case ignoreCaseStr: coll.compops |= CompareOptions.IgnoreCase; break;
case ignoreKanatypeStr: coll.compops |= CompareOptions.IgnoreKanaType; break;
case ignoreNonspaceStr: coll.compops |= CompareOptions.IgnoreNonSpace; break;
case ignoreSymbolsStr: coll.compops |= CompareOptions.IgnoreSymbols; break;
case ignoreWidthStr: coll.compops |= CompareOptions.IgnoreWidth; break;
case upperFirstStr: coll.upperFirst = true; break;
case emptyGreatestStr: coll.emptyGreatest = true; break;
case descendingOrderStr: coll.descendingOrder = true; break;
default:
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
}
else if (optionValue == "0" || optionValue == "FALSE") {
switch (optionName) {
case ignoreCaseStr: coll.compops &= ~CompareOptions.IgnoreCase; break;
case ignoreKanatypeStr: coll.compops &= ~CompareOptions.IgnoreKanaType; break;
case ignoreNonspaceStr: coll.compops &= ~CompareOptions.IgnoreNonSpace; break;
case ignoreSymbolsStr: coll.compops &= ~CompareOptions.IgnoreSymbols; break;
case ignoreWidthStr: coll.compops &= ~CompareOptions.IgnoreWidth; break;
case upperFirstStr: coll.upperFirst = false; break;
case emptyGreatestStr: coll.emptyGreatest = false; break;
case descendingOrderStr: coll.descendingOrder = false; break;
default:
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
}
else {
throw new XslTransformException(Res.Coll_UnsupportedOptVal, pair[0], pair[1]);
}
}
}
// upperfirst option is only meaningful when not ignore case
if (coll.upperFirst && (coll.compops & CompareOptions.IgnoreCase) != 0)
coll.upperFirst = false;
// other CompareOptions are only meaningful if Ordinal comparison is not being used
if ((coll.compops & CompareOptions.Ordinal) != 0) {
coll.compops = CompareOptions.Ordinal;
coll.upperFirst = false;
}
// new cultureinfo based on alternate sorting option
if (sort != null && coll.cultinfo != null) {
int lgid = GetLangID(coll.cultinfo.LCID);
switch (sort) {
case "bopo":
if (lgid == zhTW) {
coll.cultinfo = new CultureInfo(zhTWbopo);
}
break;
case "strk":
if (lgid == zhCN || lgid == zhHK || lgid == zhSG || lgid == zhMO) {
coll.cultinfo = new CultureInfo(MakeLCID(coll.cultinfo.LCID, strksort));
}
break;
case "uni":
if (lgid == jaJP || lgid == koKR) {
coll.cultinfo = new CultureInfo(MakeLCID(coll.cultinfo.LCID, unicsort));
}
break;
case "phn":
if (lgid == deDE) {
coll.cultinfo = new CultureInfo(deDEphon);
}
break;
case "tech":
if (lgid == huHU) {
coll.cultinfo = new CultureInfo(huHUtech);
}
break;
case "mod":
// ka-GE(Georgian - Georgia) Modern Sort: 0x00010437
if (lgid == kaGE) {
coll.cultinfo = new CultureInfo(kaGEmode);
}
break;
case "pron": case "dict": case "trad":
// es-ES(Spanish - Spain) Traditional: 0x0000040A
// They are removing 0x040a (Spanish Traditional sort) in NLS+.
// So if you create 0x040a, it's just like 0x0c0a (Spanish International sort).
// Thus I don't handle it differently.
break;
default:
throw new XslTransformException(Res.Coll_UnsupportedSortOpt, sort);
}
}
return coll;
}
//-----------------------------------------------
// Convert options to and from an integer
//-----------------------------------------------
private const int FlagUpperFirst = 0x1000;
private const int FlagEmptyGreatest = 0x2000;
private const int FlagDescendingOrder = 0x4000;
private const int CollationFlagsMask = FlagUpperFirst | FlagEmptyGreatest | FlagDescendingOrder;
private int GetOptions() {
int result = (int)this.compops;
Debug.Assert((result & CollationFlagsMask) == 0, "CompareOptions and collation flags overlap");
if (upperFirst)
result |= FlagUpperFirst;
if (emptyGreatest)
result |= FlagEmptyGreatest;
if (descendingOrder)
result |= FlagDescendingOrder;
return result;
}
private void SetOptions(int options) {
this.upperFirst = (options & FlagUpperFirst ) != 0;
this.emptyGreatest = (options & FlagEmptyGreatest ) != 0;
this.descendingOrder = (options & FlagDescendingOrder) != 0;
this.compops = (CompareOptions)(options & ~CollationFlagsMask);
}
//-----------------------------------------------
// Collection Support
//-----------------------------------------------
// Redefine Equals and GetHashCode methods, they are needed for UniqueList
public override bool Equals(object obj) {
if (this == obj) {
return true;
}
XmlCollation that = obj as XmlCollation;
return that != null &&
this.GetOptions() == that.GetOptions() &&
object.Equals(this.cultinfo, that.cultinfo);
}
public override int GetHashCode() {
int hashCode = this.GetOptions();
if (this.cultinfo != null) {
hashCode ^= this.cultinfo.GetHashCode();
}
return hashCode;
}
//-----------------------------------------------
// Serialization Support
//-----------------------------------------------
// Denotes the current thread locale
private const int LOCALE_CURRENT = -1;
internal void GetObjectData(BinaryWriter writer) {
// NOTE: For CultureInfo we serialize only LCID. It seems to suffice for our purposes.
Debug.Assert(this.cultinfo == null || this.cultinfo.Equals(new CultureInfo(this.cultinfo.LCID)),
"Cannot serialize CultureInfo correctly");
writer.Write(this.cultinfo != null ? this.cultinfo.LCID : LOCALE_CURRENT);
writer.Write(this.GetOptions());
}
internal XmlCollation(BinaryReader reader) {
int lcid = reader.ReadInt32();
this.cultinfo = (lcid != LOCALE_CURRENT) ? new CultureInfo(lcid) : null;
this.SetOptions(reader.ReadInt32());
}
//-----------------------------------------------
// Compare Properties
//-----------------------------------------------
internal bool EmptyGreatest {
get { return this.emptyGreatest; }
}
internal bool DescendingOrder {
get { return this.descendingOrder; }
}
internal CultureInfo Culture {
get {
// Use default thread culture if this.cultinfo = null
if (this.cultinfo == null)
return CultureInfo.CurrentCulture;
return this.cultinfo;
}
}
//-----------------------------------------------
//
//-----------------------------------------------
///
/// Create a sort key that can be compared quickly with other keys.
///
internal XmlSortKey CreateSortKey(string s) {
SortKey sortKey;
byte[] bytesKey;
int idx;
//
sortKey = Culture.CompareInfo.GetSortKey(s, this.compops);
// Create an XmlStringSortKey using the SortKey if possible
#if DEBUG
// In debug-only code, test other code path more frequently
if (!this.upperFirst && this.descendingOrder)
return new XmlStringSortKey(sortKey, this.descendingOrder);
#else
if (!this.upperFirst)
return new XmlStringSortKey(sortKey, this.descendingOrder);
#endif
// Get byte buffer from SortKey and modify it
bytesKey = sortKey.KeyData;
if (this.upperFirst && bytesKey.Length != 0) {
// By default lower-case is always sorted first for any locale (verified by empirical testing).
// In order to place upper-case first, invert the case weights in the generated sort key.
// Skip to case weight section (3rd weight section)
idx = 0;
while (bytesKey[idx] != 1)
idx++;
do {
idx++;
}
while (bytesKey[idx] != 1);
// Invert all case weights (including terminating 0x1)
do {
idx++;
bytesKey[idx] ^= 0xff;
}
while (bytesKey[idx] != 0xfe);
}
return new XmlStringSortKey(bytesKey, this.descendingOrder);
}
#if not_used
///
/// Compare two strings with each other. Return <0 if str1 sorts before str2, 0 if they're equal, and >0
/// if str1 sorts after str2.
///
internal int Compare(string str1, string str2) {
CultureInfo cultinfo = Culture;
int result;
if (UseOrdinalCompare) {
result = string.CompareOrdinal(str1, str2);
if (result < 0) result = -1;
else if (result > 0) result = 1;
}
else if (this.upperFirst) {
// First compare case-insensitive, then break ties by considering case
result = cultinfo.CompareInfo.Compare(str1, str2, this.compops | CompareOptions.IgnoreCase);
if (result == 0)
result = -cultinfo.CompareInfo.Compare(str1, str2, this.compops);
}
else {
result = cultinfo.CompareInfo.Compare(str1, str2, this.compops);
}
if (this.descendingOrder)
result = -result;
return result;
}
///
/// Return the index of str1 in str2, or -1 if str1 is not a substring of str2.
///
internal int IndexOf(string str1, string str2) {
return Culture.CompareInfo.IndexOf(str1, str2, this.compops);
}
///
/// Return true if str1 ends with str2.
///
internal bool IsSuffix(string str1, string str2) {
if (UseOrdinalCompare){
if (str1.Length < str2.Length) {
return false;
} else {
return String.CompareOrdinal(str1, str1.Length - str2.Length, str2, 0, str2.Length) == 0;
}
}
return Culture.CompareInfo.IsSuffix (str1, str2, this.compops);
}
///
/// Return true if str1 starts with str2.
///
internal bool IsPrefix(string str1, string str2) {
if (UseOrdinalCompare) {
if (str1.Length < str2.Length) {
return false;
} else {
return String.CompareOrdinal(str1, 0, str2, 0, str2.Length) == 0;
}
}
return Culture.CompareInfo.IsPrefix (str1, str2, this.compops);
}
private bool UseOrdinalCompare {
get { return (this.compops & CompareOptions.Ordinal) != 0; }
}
#endif
//-----------------------------------------------
// Helper Functions
//-----------------------------------------------
private static int MakeLCID(int langid, int sortid) {
return (langid & 0xffff) | ((sortid & 0xf) << 16);
}
private static int GetLangID(int lcid) {
return (lcid & 0xffff);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.IO;
namespace System.Xml.Xsl.Runtime {
using Res = System.Xml.Utils.Res;
[EditorBrowsable(EditorBrowsableState.Never)]
public sealed class XmlCollation {
// lgid support for sort
private const int deDE = 0x0407;
private const int huHU = 0x040E;
private const int jaJP = 0x0411;
private const int kaGE = 0x0437;
private const int koKR = 0x0412;
private const int zhTW = 0x0404;
private const int zhCN = 0x0804;
private const int zhHK = 0x0C04;
private const int zhSG = 0x1004;
private const int zhMO = 0x1404;
private const int zhTWbopo = 0x030404;
private const int deDEphon = 0x010407;
private const int huHUtech = 0x01040e;
private const int kaGEmode = 0x010437;
// Sort ID
private const int strksort = 0x02; // Stroke
private const int unicsort = 0x01; // Unicode
// Options
private const string ignoreCaseStr = "IGNORECASE";
private const string ignoreKanatypeStr = "IGNOREKANATYPE";
private const string ignoreNonspaceStr = "IGNORENONSPACE";
private const string ignoreSymbolsStr = "IGNORESYMBOLS";
private const string ignoreWidthStr = "IGNOREWIDTH";
private const string upperFirstStr = "UPPERFIRST";
private const string emptyGreatestStr = "EMPTYGREATEST";
private const string descendingOrderStr = "DESCENDINGORDER";
private const string sortStr = "SORT";
private bool upperFirst;
private bool emptyGreatest;
private bool descendingOrder;
private CultureInfo cultinfo;
private CompareOptions compops;
//-----------------------------------------------
// Constructors
//-----------------------------------------------
///
/// By default, create a collation that uses the current thread's culture, and has no compare options set
///
private XmlCollation() : this(null, CompareOptions.None) {
}
///
/// Construct a collation that uses the specified culture and compare options.
///
private XmlCollation(CultureInfo cultureInfo, CompareOptions compareOptions) {
this.cultinfo = cultureInfo;
this.compops = compareOptions;
}
//-----------------------------------------------
// Create
//-----------------------------------------------
///
/// Singleton collation that sorts according to Unicode code points.
///
private static XmlCollation cp = new XmlCollation(CultureInfo.InvariantCulture, CompareOptions.Ordinal);
internal static XmlCollation CodePointCollation {
get { return cp; }
}
///
/// This function is used in both parser and f&o library, so just strictly map valid literals to XmlCollation.
/// Set compare options one by one:
/// 0, false: no effect; 1, true: yes
/// Disregard unrecognized options.
///
internal static XmlCollation Create(string collationLiteral) {
Debug.Assert(collationLiteral != null, "collation literal should not be null");
if (collationLiteral == XmlReservedNs.NsCollCodePoint) {
return CodePointCollation;
}
XmlCollation coll = new XmlCollation();
Uri collationUri = new Uri(collationLiteral);
string authority = collationUri.GetLeftPart(UriPartial.Authority);
if (authority == XmlReservedNs.NsCollationBase) {
// Language
// at least a '/' will be returned for Uri.LocalPath
string lang = collationUri.LocalPath.Substring(1);
if (lang.Length == 0) {
// Use default culture of current thread (cultinfo = null)
} else {
// Create culture from RFC 1766 string
try {
coll.cultinfo = new CultureInfo(lang);
}
catch (ArgumentException) {
throw new XslTransformException(Res.Coll_UnsupportedLanguage, lang);
}
}
} else if (collationUri.IsBaseOf(new Uri(XmlReservedNs.NsCollCodePoint))) {
// language with codepoint collation is not allowed
coll.compops = CompareOptions.Ordinal;
} else {
// Unrecognized collation
throw new XslTransformException(Res.Coll_Unsupported, collationLiteral);
}
// Sort & Compare option
// at least a '?' will be returned for Uri.Query if not empty
string query = collationUri.Query;
string sort = null;
if (query.Length != 0) {
foreach (string option in query.Substring(1).Split('&')) {
string[] pair = option.Split('=');
if (pair.Length != 2)
throw new XslTransformException(Res.Coll_BadOptFormat, option);
string optionName = pair[0].ToUpper(CultureInfo.InvariantCulture);
string optionValue = pair[1].ToUpper(CultureInfo.InvariantCulture);
if (optionName == sortStr) {
sort = optionValue;
}
else if (optionValue == "1" || optionValue == "TRUE") {
switch (optionName) {
case ignoreCaseStr: coll.compops |= CompareOptions.IgnoreCase; break;
case ignoreKanatypeStr: coll.compops |= CompareOptions.IgnoreKanaType; break;
case ignoreNonspaceStr: coll.compops |= CompareOptions.IgnoreNonSpace; break;
case ignoreSymbolsStr: coll.compops |= CompareOptions.IgnoreSymbols; break;
case ignoreWidthStr: coll.compops |= CompareOptions.IgnoreWidth; break;
case upperFirstStr: coll.upperFirst = true; break;
case emptyGreatestStr: coll.emptyGreatest = true; break;
case descendingOrderStr: coll.descendingOrder = true; break;
default:
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
}
else if (optionValue == "0" || optionValue == "FALSE") {
switch (optionName) {
case ignoreCaseStr: coll.compops &= ~CompareOptions.IgnoreCase; break;
case ignoreKanatypeStr: coll.compops &= ~CompareOptions.IgnoreKanaType; break;
case ignoreNonspaceStr: coll.compops &= ~CompareOptions.IgnoreNonSpace; break;
case ignoreSymbolsStr: coll.compops &= ~CompareOptions.IgnoreSymbols; break;
case ignoreWidthStr: coll.compops &= ~CompareOptions.IgnoreWidth; break;
case upperFirstStr: coll.upperFirst = false; break;
case emptyGreatestStr: coll.emptyGreatest = false; break;
case descendingOrderStr: coll.descendingOrder = false; break;
default:
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
}
else {
throw new XslTransformException(Res.Coll_UnsupportedOptVal, pair[0], pair[1]);
}
}
}
// upperfirst option is only meaningful when not ignore case
if (coll.upperFirst && (coll.compops & CompareOptions.IgnoreCase) != 0)
coll.upperFirst = false;
// other CompareOptions are only meaningful if Ordinal comparison is not being used
if ((coll.compops & CompareOptions.Ordinal) != 0) {
coll.compops = CompareOptions.Ordinal;
coll.upperFirst = false;
}
// new cultureinfo based on alternate sorting option
if (sort != null && coll.cultinfo != null) {
int lgid = GetLangID(coll.cultinfo.LCID);
switch (sort) {
case "bopo":
if (lgid == zhTW) {
coll.cultinfo = new CultureInfo(zhTWbopo);
}
break;
case "strk":
if (lgid == zhCN || lgid == zhHK || lgid == zhSG || lgid == zhMO) {
coll.cultinfo = new CultureInfo(MakeLCID(coll.cultinfo.LCID, strksort));
}
break;
case "uni":
if (lgid == jaJP || lgid == koKR) {
coll.cultinfo = new CultureInfo(MakeLCID(coll.cultinfo.LCID, unicsort));
}
break;
case "phn":
if (lgid == deDE) {
coll.cultinfo = new CultureInfo(deDEphon);
}
break;
case "tech":
if (lgid == huHU) {
coll.cultinfo = new CultureInfo(huHUtech);
}
break;
case "mod":
// ka-GE(Georgian - Georgia) Modern Sort: 0x00010437
if (lgid == kaGE) {
coll.cultinfo = new CultureInfo(kaGEmode);
}
break;
case "pron": case "dict": case "trad":
// es-ES(Spanish - Spain) Traditional: 0x0000040A
// They are removing 0x040a (Spanish Traditional sort) in NLS+.
// So if you create 0x040a, it's just like 0x0c0a (Spanish International sort).
// Thus I don't handle it differently.
break;
default:
throw new XslTransformException(Res.Coll_UnsupportedSortOpt, sort);
}
}
return coll;
}
//-----------------------------------------------
// Convert options to and from an integer
//-----------------------------------------------
private const int FlagUpperFirst = 0x1000;
private const int FlagEmptyGreatest = 0x2000;
private const int FlagDescendingOrder = 0x4000;
private const int CollationFlagsMask = FlagUpperFirst | FlagEmptyGreatest | FlagDescendingOrder;
private int GetOptions() {
int result = (int)this.compops;
Debug.Assert((result & CollationFlagsMask) == 0, "CompareOptions and collation flags overlap");
if (upperFirst)
result |= FlagUpperFirst;
if (emptyGreatest)
result |= FlagEmptyGreatest;
if (descendingOrder)
result |= FlagDescendingOrder;
return result;
}
private void SetOptions(int options) {
this.upperFirst = (options & FlagUpperFirst ) != 0;
this.emptyGreatest = (options & FlagEmptyGreatest ) != 0;
this.descendingOrder = (options & FlagDescendingOrder) != 0;
this.compops = (CompareOptions)(options & ~CollationFlagsMask);
}
//-----------------------------------------------
// Collection Support
//-----------------------------------------------
// Redefine Equals and GetHashCode methods, they are needed for UniqueList
public override bool Equals(object obj) {
if (this == obj) {
return true;
}
XmlCollation that = obj as XmlCollation;
return that != null &&
this.GetOptions() == that.GetOptions() &&
object.Equals(this.cultinfo, that.cultinfo);
}
public override int GetHashCode() {
int hashCode = this.GetOptions();
if (this.cultinfo != null) {
hashCode ^= this.cultinfo.GetHashCode();
}
return hashCode;
}
//-----------------------------------------------
// Serialization Support
//-----------------------------------------------
// Denotes the current thread locale
private const int LOCALE_CURRENT = -1;
internal void GetObjectData(BinaryWriter writer) {
// NOTE: For CultureInfo we serialize only LCID. It seems to suffice for our purposes.
Debug.Assert(this.cultinfo == null || this.cultinfo.Equals(new CultureInfo(this.cultinfo.LCID)),
"Cannot serialize CultureInfo correctly");
writer.Write(this.cultinfo != null ? this.cultinfo.LCID : LOCALE_CURRENT);
writer.Write(this.GetOptions());
}
internal XmlCollation(BinaryReader reader) {
int lcid = reader.ReadInt32();
this.cultinfo = (lcid != LOCALE_CURRENT) ? new CultureInfo(lcid) : null;
this.SetOptions(reader.ReadInt32());
}
//-----------------------------------------------
// Compare Properties
//-----------------------------------------------
internal bool EmptyGreatest {
get { return this.emptyGreatest; }
}
internal bool DescendingOrder {
get { return this.descendingOrder; }
}
internal CultureInfo Culture {
get {
// Use default thread culture if this.cultinfo = null
if (this.cultinfo == null)
return CultureInfo.CurrentCulture;
return this.cultinfo;
}
}
//-----------------------------------------------
//
//-----------------------------------------------
///
/// Create a sort key that can be compared quickly with other keys.
///
internal XmlSortKey CreateSortKey(string s) {
SortKey sortKey;
byte[] bytesKey;
int idx;
//
sortKey = Culture.CompareInfo.GetSortKey(s, this.compops);
// Create an XmlStringSortKey using the SortKey if possible
#if DEBUG
// In debug-only code, test other code path more frequently
if (!this.upperFirst && this.descendingOrder)
return new XmlStringSortKey(sortKey, this.descendingOrder);
#else
if (!this.upperFirst)
return new XmlStringSortKey(sortKey, this.descendingOrder);
#endif
// Get byte buffer from SortKey and modify it
bytesKey = sortKey.KeyData;
if (this.upperFirst && bytesKey.Length != 0) {
// By default lower-case is always sorted first for any locale (verified by empirical testing).
// In order to place upper-case first, invert the case weights in the generated sort key.
// Skip to case weight section (3rd weight section)
idx = 0;
while (bytesKey[idx] != 1)
idx++;
do {
idx++;
}
while (bytesKey[idx] != 1);
// Invert all case weights (including terminating 0x1)
do {
idx++;
bytesKey[idx] ^= 0xff;
}
while (bytesKey[idx] != 0xfe);
}
return new XmlStringSortKey(bytesKey, this.descendingOrder);
}
#if not_used
///
/// Compare two strings with each other. Return <0 if str1 sorts before str2, 0 if they're equal, and >0
/// if str1 sorts after str2.
///
internal int Compare(string str1, string str2) {
CultureInfo cultinfo = Culture;
int result;
if (UseOrdinalCompare) {
result = string.CompareOrdinal(str1, str2);
if (result < 0) result = -1;
else if (result > 0) result = 1;
}
else if (this.upperFirst) {
// First compare case-insensitive, then break ties by considering case
result = cultinfo.CompareInfo.Compare(str1, str2, this.compops | CompareOptions.IgnoreCase);
if (result == 0)
result = -cultinfo.CompareInfo.Compare(str1, str2, this.compops);
}
else {
result = cultinfo.CompareInfo.Compare(str1, str2, this.compops);
}
if (this.descendingOrder)
result = -result;
return result;
}
///
/// Return the index of str1 in str2, or -1 if str1 is not a substring of str2.
///
internal int IndexOf(string str1, string str2) {
return Culture.CompareInfo.IndexOf(str1, str2, this.compops);
}
///
/// Return true if str1 ends with str2.
///
internal bool IsSuffix(string str1, string str2) {
if (UseOrdinalCompare){
if (str1.Length < str2.Length) {
return false;
} else {
return String.CompareOrdinal(str1, str1.Length - str2.Length, str2, 0, str2.Length) == 0;
}
}
return Culture.CompareInfo.IsSuffix (str1, str2, this.compops);
}
///
/// Return true if str1 starts with str2.
///
internal bool IsPrefix(string str1, string str2) {
if (UseOrdinalCompare) {
if (str1.Length < str2.Length) {
return false;
} else {
return String.CompareOrdinal(str1, 0, str2, 0, str2.Length) == 0;
}
}
return Culture.CompareInfo.IsPrefix (str1, str2, this.compops);
}
private bool UseOrdinalCompare {
get { return (this.compops & CompareOptions.Ordinal) != 0; }
}
#endif
//-----------------------------------------------
// Helper Functions
//-----------------------------------------------
private static int MakeLCID(int langid, int sortid) {
return (langid & 0xffff) | ((sortid & 0xf) << 16);
}
private static int GetLangID(int lcid) {
return (lcid & 0xffff);
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- BitmapSource.cs
- DesignerRegionCollection.cs
- MruCache.cs
- CatalogPartChrome.cs
- COM2IPerPropertyBrowsingHandler.cs
- DesignTimeParseData.cs
- ExpressionVisitor.cs
- MenuCommands.cs
- Point.cs
- HwndSubclass.cs
- NumericUpDown.cs
- Size3D.cs
- MissingMethodException.cs
- SystemTcpConnection.cs
- AmbientProperties.cs
- SqlError.cs
- XmlILStorageConverter.cs
- EventLogPermissionAttribute.cs
- ComNativeDescriptor.cs
- WorkflowQueueInfo.cs
- StyleTypedPropertyAttribute.cs
- EditingCoordinator.cs
- ToolStripProfessionalLowResolutionRenderer.cs
- SystemWebSectionGroup.cs
- DataContext.cs
- PointCollectionConverter.cs
- XmlSchemaSimpleContentExtension.cs
- TypeConverter.cs
- SiteMapNode.cs
- AllMembershipCondition.cs
- RuleSetDialog.cs
- ScriptBehaviorDescriptor.cs
- Exception.cs
- ActivityDesignerLayoutSerializers.cs
- BaseCollection.cs
- PartialCachingAttribute.cs
- StylusCaptureWithinProperty.cs
- CfgParser.cs
- PeerNearMe.cs
- ManagementQuery.cs
- GroupDescription.cs
- SelfSignedCertificate.cs
- RowUpdatedEventArgs.cs
- UTF7Encoding.cs
- TabPageDesigner.cs
- SecurityAttributeGenerationHelper.cs
- CustomPopupPlacement.cs
- DefaultParameterValueAttribute.cs
- CatalogPart.cs
- ControlValuePropertyAttribute.cs
- InkPresenterAutomationPeer.cs
- WinInet.cs
- BindingBase.cs
- SqlInfoMessageEvent.cs
- ImpersonationOption.cs
- Rfc2898DeriveBytes.cs
- MappingSource.cs
- OleDbParameter.cs
- NavigationEventArgs.cs
- GridErrorDlg.cs
- DynamicDataExtensions.cs
- WebPartAddingEventArgs.cs
- RegexTree.cs
- StrongNameUtility.cs
- HtmlLink.cs
- SelectedDatesCollection.cs
- CheckBoxField.cs
- WebPartManager.cs
- ObjectNavigationPropertyMapping.cs
- TaiwanCalendar.cs
- GeometryCollection.cs
- TextServicesLoader.cs
- SByteConverter.cs
- ForceCopyBuildProvider.cs
- AuthenticationServiceManager.cs
- EnumerableCollectionView.cs
- FilterableData.cs
- XmlCodeExporter.cs
- Viewport3DVisual.cs
- DbQueryCommandTree.cs
- RuleSettingsCollection.cs
- ColumnClickEvent.cs
- HtmlDocument.cs
- FileEnumerator.cs
- DataGridViewUtilities.cs
- XmlNamedNodeMap.cs
- HelpInfo.cs
- TaskFormBase.cs
- GeneralEndpointIdentity.cs
- MulticastDelegate.cs
- DbConnectionOptions.cs
- AnimationException.cs
- TagElement.cs
- PageTheme.cs
- SingleAnimationBase.cs
- ListViewDataItem.cs
- SafeHandles.cs
- latinshape.cs
- Hex.cs
- CheckBox.cs