Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / Runtime / XmlCollation.cs / 1305376 / XmlCollation.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// [....]
//-----------------------------------------------------------------------------
using System.Collections;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
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;
// Invariant: compops == (options & Options.mask)
private CultureInfo cultInfo;
private Options options;
private CompareOptions compops;
///
/// Extends System.Globalization.CompareOptions with additional flags.
///
private struct Options {
public const int FlagUpperFirst = 0x1000;
public const int FlagEmptyGreatest = 0x2000;
public const int FlagDescendingOrder = 0x4000;
private const int Mask = FlagUpperFirst | FlagEmptyGreatest | FlagDescendingOrder;
private int value;
public Options(int value) {
this.value = value;
}
public bool GetFlag(int flag) {
return (this.value & flag) != 0;
}
public void SetFlag(int flag, bool value) {
if (value)
this.value |= flag;
else
this.value &= ~flag;
}
public bool UpperFirst {
get { return GetFlag(FlagUpperFirst); }
set { SetFlag(FlagUpperFirst, value); }
}
public bool EmptyGreatest {
get { return GetFlag(FlagEmptyGreatest); }
}
public bool DescendingOrder {
get { return GetFlag(FlagDescendingOrder); }
}
public bool IgnoreCase {
get { return GetFlag((int)CompareOptions.IgnoreCase); }
}
public bool Ordinal {
get { return GetFlag((int)CompareOptions.Ordinal); }
}
public CompareOptions CompareOptions {
get {
return (CompareOptions)(value & ~Mask);
}
set {
Debug.Assert(((int)value & Mask) == 0);
this.value = (this.value & Mask) | (int)value;
}
}
public static implicit operator int(Options options) {
return options.value;
}
}
//-----------------------------------------------
// Constructors
//-----------------------------------------------
///
/// Construct a collation that uses the specified culture and compare options.
///
private XmlCollation(CultureInfo cultureInfo, Options options) {
this.cultInfo = cultureInfo;
this.options = options;
this.compops = options.CompareOptions;
}
//-----------------------------------------------
// Create
//-----------------------------------------------
///
/// Singleton collation that sorts according to Unicode code points.
///
private static XmlCollation cp = new XmlCollation(CultureInfo.InvariantCulture, new Options((int)CompareOptions.Ordinal));
internal static XmlCollation CodePointCollation {
get { return cp; }
}
internal static XmlCollation Create(string collationLiteral) {
return Create(collationLiteral, /*throw:*/true);
}
// 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, bool throwOnError) {
Debug.Assert(collationLiteral != null, "collation literal should not be null");
if (collationLiteral == XmlReservedNs.NsCollCodePoint) {
return CodePointCollation;
}
Uri collationUri;
CultureInfo cultInfo = null;
Options options = new Options();
if (throwOnError) {
collationUri = new Uri(collationLiteral);
} else {
if (!Uri.TryCreate(collationLiteral, UriKind.Absolute, out collationUri)) {
return null;
}
}
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 {
cultInfo = new CultureInfo(lang);
}
catch (ArgumentException) {
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedLanguage, lang);
}
}
} else if (collationUri.IsBaseOf(new Uri(XmlReservedNs.NsCollCodePoint))) {
// language with codepoint collation is not allowed
options.CompareOptions = CompareOptions.Ordinal;
} else {
// Unrecognized collation
if (!throwOnError) return null;
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) {
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_BadOptFormat, option);
}
string optionName = pair[0].ToUpper(CultureInfo.InvariantCulture);
string optionValue = pair[1].ToUpper(CultureInfo.InvariantCulture);
if (optionName == "SORT") {
sort = optionValue;
}
else {
int flag;
switch (optionName) {
case "IGNORECASE": flag = (int)CompareOptions.IgnoreCase; break;
case "IGNORENONSPACE": flag = (int)CompareOptions.IgnoreNonSpace; break;
case "IGNORESYMBOLS": flag = (int)CompareOptions.IgnoreSymbols; break;
case "IGNOREKANATYPE": flag = (int)CompareOptions.IgnoreKanaType; break;
case "IGNOREWIDTH": flag = (int)CompareOptions.IgnoreWidth; break;
case "UPPERFIRST": flag = Options.FlagUpperFirst; break;
case "EMPTYGREATEST": flag = Options.FlagEmptyGreatest; break;
case "DESCENDINGORDER": flag = Options.FlagDescendingOrder; break;
default:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
switch (optionValue) {
case "0": case "FALSE": options.SetFlag(flag, false); break;
case "1": case "TRUE" : options.SetFlag(flag, true ); break;
default:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedOptVal, pair[0], pair[1]);
}
}
}
}
// upperfirst option is only meaningful when not ignore case
if (options.UpperFirst && options.IgnoreCase)
options.UpperFirst = false;
// other CompareOptions are only meaningful if Ordinal comparison is not being used
if (options.Ordinal) {
options.CompareOptions = CompareOptions.Ordinal;
options.UpperFirst = false;
}
// new cultureinfo based on alternate sorting option
if (sort != null && cultInfo != null) {
int lgid = GetLangID(cultInfo.LCID);
switch (sort) {
case "bopo":
if (lgid == zhTW) {
cultInfo = new CultureInfo(zhTWbopo);
}
break;
case "strk":
if (lgid == zhCN || lgid == zhHK || lgid == zhSG || lgid == zhMO) {
cultInfo = new CultureInfo(MakeLCID(cultInfo.LCID, /*Stroke*/ 0x02));
}
break;
case "uni":
if (lgid == jaJP || lgid == koKR) {
cultInfo = new CultureInfo(MakeLCID(cultInfo.LCID, /*Unicode*/ 0x01));
}
break;
case "phn":
if (lgid == deDE) {
cultInfo = new CultureInfo(deDEphon);
}
break;
case "tech":
if (lgid == huHU) {
cultInfo = new CultureInfo(huHUtech);
}
break;
case "mod":
// ka-GE(Georgian - Georgia) Modern Sort: 0x00010437
if (lgid == kaGE) {
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:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedSortOpt, sort);
}
}
return new XmlCollation(cultInfo, options);
}
//-----------------------------------------------
// 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.options == that.options &&
object.Equals(this.cultInfo, that.cultInfo);
}
public override int GetHashCode() {
int hashCode = this.options;
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.options);
}
internal XmlCollation(BinaryReader reader) {
int lcid = reader.ReadInt32();
this.cultInfo = (lcid != LOCALE_CURRENT) ? new CultureInfo(lcid) : null;
this.options = new Options(reader.ReadInt32());
this.compops = options.CompareOptions;
}
//-----------------------------------------------
// Compare Properties
//-----------------------------------------------
internal bool UpperFirst {
get { return this.options.UpperFirst; }
}
internal bool EmptyGreatest {
get { return this.options.EmptyGreatest; }
}
internal bool DescendingOrder {
get { return this.options.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 (!UpperFirst && DescendingOrder)
return new XmlStringSortKey(sortKey, DescendingOrder);
#else
if (!UpperFirst)
return new XmlStringSortKey(sortKey, DescendingOrder);
#endif
// Get byte buffer from SortKey and modify it
bytesKey = sortKey.KeyData;
if (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, 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 (this.options.Ordinal) {
result = string.CompareOrdinal(str1, str2);
if (result < 0) result = -1;
else if (result > 0) result = 1;
}
else if (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 (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 (this.options.Ordinal){
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 (this.options.Ordinal) {
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);
}
#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.Collections;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
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;
// Invariant: compops == (options & Options.mask)
private CultureInfo cultInfo;
private Options options;
private CompareOptions compops;
///
/// Extends System.Globalization.CompareOptions with additional flags.
///
private struct Options {
public const int FlagUpperFirst = 0x1000;
public const int FlagEmptyGreatest = 0x2000;
public const int FlagDescendingOrder = 0x4000;
private const int Mask = FlagUpperFirst | FlagEmptyGreatest | FlagDescendingOrder;
private int value;
public Options(int value) {
this.value = value;
}
public bool GetFlag(int flag) {
return (this.value & flag) != 0;
}
public void SetFlag(int flag, bool value) {
if (value)
this.value |= flag;
else
this.value &= ~flag;
}
public bool UpperFirst {
get { return GetFlag(FlagUpperFirst); }
set { SetFlag(FlagUpperFirst, value); }
}
public bool EmptyGreatest {
get { return GetFlag(FlagEmptyGreatest); }
}
public bool DescendingOrder {
get { return GetFlag(FlagDescendingOrder); }
}
public bool IgnoreCase {
get { return GetFlag((int)CompareOptions.IgnoreCase); }
}
public bool Ordinal {
get { return GetFlag((int)CompareOptions.Ordinal); }
}
public CompareOptions CompareOptions {
get {
return (CompareOptions)(value & ~Mask);
}
set {
Debug.Assert(((int)value & Mask) == 0);
this.value = (this.value & Mask) | (int)value;
}
}
public static implicit operator int(Options options) {
return options.value;
}
}
//-----------------------------------------------
// Constructors
//-----------------------------------------------
///
/// Construct a collation that uses the specified culture and compare options.
///
private XmlCollation(CultureInfo cultureInfo, Options options) {
this.cultInfo = cultureInfo;
this.options = options;
this.compops = options.CompareOptions;
}
//-----------------------------------------------
// Create
//-----------------------------------------------
///
/// Singleton collation that sorts according to Unicode code points.
///
private static XmlCollation cp = new XmlCollation(CultureInfo.InvariantCulture, new Options((int)CompareOptions.Ordinal));
internal static XmlCollation CodePointCollation {
get { return cp; }
}
internal static XmlCollation Create(string collationLiteral) {
return Create(collationLiteral, /*throw:*/true);
}
// 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, bool throwOnError) {
Debug.Assert(collationLiteral != null, "collation literal should not be null");
if (collationLiteral == XmlReservedNs.NsCollCodePoint) {
return CodePointCollation;
}
Uri collationUri;
CultureInfo cultInfo = null;
Options options = new Options();
if (throwOnError) {
collationUri = new Uri(collationLiteral);
} else {
if (!Uri.TryCreate(collationLiteral, UriKind.Absolute, out collationUri)) {
return null;
}
}
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 {
cultInfo = new CultureInfo(lang);
}
catch (ArgumentException) {
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedLanguage, lang);
}
}
} else if (collationUri.IsBaseOf(new Uri(XmlReservedNs.NsCollCodePoint))) {
// language with codepoint collation is not allowed
options.CompareOptions = CompareOptions.Ordinal;
} else {
// Unrecognized collation
if (!throwOnError) return null;
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) {
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_BadOptFormat, option);
}
string optionName = pair[0].ToUpper(CultureInfo.InvariantCulture);
string optionValue = pair[1].ToUpper(CultureInfo.InvariantCulture);
if (optionName == "SORT") {
sort = optionValue;
}
else {
int flag;
switch (optionName) {
case "IGNORECASE": flag = (int)CompareOptions.IgnoreCase; break;
case "IGNORENONSPACE": flag = (int)CompareOptions.IgnoreNonSpace; break;
case "IGNORESYMBOLS": flag = (int)CompareOptions.IgnoreSymbols; break;
case "IGNOREKANATYPE": flag = (int)CompareOptions.IgnoreKanaType; break;
case "IGNOREWIDTH": flag = (int)CompareOptions.IgnoreWidth; break;
case "UPPERFIRST": flag = Options.FlagUpperFirst; break;
case "EMPTYGREATEST": flag = Options.FlagEmptyGreatest; break;
case "DESCENDINGORDER": flag = Options.FlagDescendingOrder; break;
default:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedOpt, pair[0]);
}
switch (optionValue) {
case "0": case "FALSE": options.SetFlag(flag, false); break;
case "1": case "TRUE" : options.SetFlag(flag, true ); break;
default:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedOptVal, pair[0], pair[1]);
}
}
}
}
// upperfirst option is only meaningful when not ignore case
if (options.UpperFirst && options.IgnoreCase)
options.UpperFirst = false;
// other CompareOptions are only meaningful if Ordinal comparison is not being used
if (options.Ordinal) {
options.CompareOptions = CompareOptions.Ordinal;
options.UpperFirst = false;
}
// new cultureinfo based on alternate sorting option
if (sort != null && cultInfo != null) {
int lgid = GetLangID(cultInfo.LCID);
switch (sort) {
case "bopo":
if (lgid == zhTW) {
cultInfo = new CultureInfo(zhTWbopo);
}
break;
case "strk":
if (lgid == zhCN || lgid == zhHK || lgid == zhSG || lgid == zhMO) {
cultInfo = new CultureInfo(MakeLCID(cultInfo.LCID, /*Stroke*/ 0x02));
}
break;
case "uni":
if (lgid == jaJP || lgid == koKR) {
cultInfo = new CultureInfo(MakeLCID(cultInfo.LCID, /*Unicode*/ 0x01));
}
break;
case "phn":
if (lgid == deDE) {
cultInfo = new CultureInfo(deDEphon);
}
break;
case "tech":
if (lgid == huHU) {
cultInfo = new CultureInfo(huHUtech);
}
break;
case "mod":
// ka-GE(Georgian - Georgia) Modern Sort: 0x00010437
if (lgid == kaGE) {
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:
if (!throwOnError) return null;
throw new XslTransformException(Res.Coll_UnsupportedSortOpt, sort);
}
}
return new XmlCollation(cultInfo, options);
}
//-----------------------------------------------
// 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.options == that.options &&
object.Equals(this.cultInfo, that.cultInfo);
}
public override int GetHashCode() {
int hashCode = this.options;
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.options);
}
internal XmlCollation(BinaryReader reader) {
int lcid = reader.ReadInt32();
this.cultInfo = (lcid != LOCALE_CURRENT) ? new CultureInfo(lcid) : null;
this.options = new Options(reader.ReadInt32());
this.compops = options.CompareOptions;
}
//-----------------------------------------------
// Compare Properties
//-----------------------------------------------
internal bool UpperFirst {
get { return this.options.UpperFirst; }
}
internal bool EmptyGreatest {
get { return this.options.EmptyGreatest; }
}
internal bool DescendingOrder {
get { return this.options.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 (!UpperFirst && DescendingOrder)
return new XmlStringSortKey(sortKey, DescendingOrder);
#else
if (!UpperFirst)
return new XmlStringSortKey(sortKey, DescendingOrder);
#endif
// Get byte buffer from SortKey and modify it
bytesKey = sortKey.KeyData;
if (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, 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 (this.options.Ordinal) {
result = string.CompareOrdinal(str1, str2);
if (result < 0) result = -1;
else if (result > 0) result = 1;
}
else if (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 (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 (this.options.Ordinal){
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 (this.options.Ordinal) {
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);
}
#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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- ZoneIdentityPermission.cs
- ProcessInputEventArgs.cs
- BasicHttpBindingElement.cs
- FeatureSupport.cs
- PointLight.cs
- AssemblyCacheEntry.cs
- ToolStripItemEventArgs.cs
- ItemsPresenter.cs
- ResolvePPIDRequest.cs
- ReceiveActivityValidator.cs
- ContainsRowNumberChecker.cs
- BitmapMetadataBlob.cs
- filewebresponse.cs
- ProfileModule.cs
- QilDataSource.cs
- DataGridViewCell.cs
- _ConnectOverlappedAsyncResult.cs
- StylusShape.cs
- XmlDataSourceView.cs
- ConstrainedDataObject.cs
- StrongNameMembershipCondition.cs
- SizeF.cs
- ConnectionStringsExpressionBuilder.cs
- RuleProcessor.cs
- DBCommand.cs
- DetailsViewModeEventArgs.cs
- ColorConvertedBitmap.cs
- StorageEntitySetMapping.cs
- XmlEnumAttribute.cs
- TextServicesContext.cs
- LockCookie.cs
- UpdateTracker.cs
- ChangeConflicts.cs
- HijriCalendar.cs
- SystemColors.cs
- SqlMethodAttribute.cs
- DesignerVerb.cs
- EpmHelper.cs
- ListViewGroupConverter.cs
- shaperfactoryquerycachekey.cs
- Cursors.cs
- ElementNotEnabledException.cs
- MouseEventArgs.cs
- StreamReader.cs
- BulletedListEventArgs.cs
- TraceXPathNavigator.cs
- Range.cs
- mactripleDES.cs
- LogAppendAsyncResult.cs
- ChannelBinding.cs
- AspProxy.cs
- wmiprovider.cs
- XmlDataSourceNodeDescriptor.cs
- OuterGlowBitmapEffect.cs
- MachineKeyConverter.cs
- ObjectDataSourceSelectingEventArgs.cs
- ExpressionBuilder.cs
- KnownTypeHelper.cs
- UrlUtility.cs
- LineSegment.cs
- BaseValidator.cs
- HyperLinkStyle.cs
- NodeInfo.cs
- mediaeventargs.cs
- XmlSchemaValidationException.cs
- DispatcherSynchronizationContext.cs
- CallbackTimeoutsBehavior.cs
- PreservationFileWriter.cs
- GenericsInstances.cs
- FontConverter.cs
- WindowsServiceElement.cs
- ToolTipService.cs
- EncryptedPackage.cs
- counter.cs
- XXXOnTypeBuilderInstantiation.cs
- RegistrationServices.cs
- ResXFileRef.cs
- SmiContext.cs
- StaticFileHandler.cs
- SpellerHighlightLayer.cs
- XmlObjectSerializerReadContextComplexJson.cs
- propertytag.cs
- unsafenativemethodstextservices.cs
- ToolBar.cs
- NotifyParentPropertyAttribute.cs
- OdbcStatementHandle.cs
- AssemblyCache.cs
- CompareValidator.cs
- CompilationUnit.cs
- PlatformNotSupportedException.cs
- AdapterUtil.cs
- FileIOPermission.cs
- OdbcEnvironmentHandle.cs
- StringFormat.cs
- HostedTransportConfigurationManager.cs
- TranslateTransform.cs
- ImmutableObjectAttribute.cs
- UnicastIPAddressInformationCollection.cs
- SafeFileMappingHandle.cs
- PointCollectionValueSerializer.cs