Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / MS / Internal / Globalization / LocalizationComments.cs / 1 / LocalizationComments.cs
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Localization comments related class
//
// History:
// 12/4/2004: Garyyang Created the file
//
//---------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.IO;
using System.Xml;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
#if !PBTCOMPILER
using System.Windows;
#endif
using MS.Utility;
// Disabling 1634 and 1691:
// In order to avoid generating warnings about unknown message numbers and
// unknown pragmas when compiling C# source code with the C# compiler,
// you need to disable warnings 1634 and 1691. (Presharp Documentation)
#pragma warning disable 1634, 1691
namespace MS.Internal.Globalization
{
///
/// Note: the class name and property name must be kept in [....]'ed with
/// Framework\System\Windows\Localization.cs file.
/// Compiler checks for them by literal string comparisons.
///
internal static class LocComments
{
///
/// Helper function to determine whether this is the Localization.Attribute attached proeprty
///
/// type name
/// property name
internal static bool IsLocLocalizabilityProperty(string type, string property)
{
return "Attributes" == property
&& "System.Windows.Localization" == type;
}
///
/// Helper function to determind whether this is the Localization.Comments attached proeprty
///
/// type name
/// property name
internal static bool IsLocCommentsProperty(string type, string property)
{
return "Comments" == property
&& "System.Windows.Localization" == type;
}
///
/// Helper function to parse the Localization.Attributes value into multiple pairs
///
/// content of Localization.Attributes
internal static PropertyComment[] ParsePropertyLocalizabilityAttributes(string input)
{
PropertyComment[] pairs = ParsePropertyComments(input);
if (pairs != null)
{
for (int i = 0; i < pairs.Length; i++)
{
pairs[i].Value = LookupAndSetLocalizabilityAttribute((string) pairs[i].Value);
}
}
return pairs;
}
///
/// Helper function to parse the Localization.Comments value into multiple pairs
///
/// content of Localization.Comments
internal static PropertyComment[] ParsePropertyComments(string input)
{
//
// Localization comments consist of repeating "[PropertyName]([Value])"
// e.g. $Content (abc) FontSize(def)
//
if (input == null) return null;
List tokens = new List(8);
StringBuilder tokenBuffer = new StringBuilder();
PropertyComment currentPair = new PropertyComment();
bool escaped = false;
for (int i = 0; i < input.Length; i++)
{
if (currentPair.PropertyName == null)
{
// parsing "PropertyName" section
if (Char.IsWhiteSpace(input[i]) && !escaped)
{
if (tokenBuffer.Length > 0)
{
// terminate the PropertyName by an unesacped whitespace
currentPair.PropertyName = tokenBuffer.ToString();
tokenBuffer = new StringBuilder();
}
// else ignore whitespace at the beginning of the PropertyName name
}
else
{
if (input[i] == CommentStart && !escaped)
{
if (i > 0)
{
// terminate the PropertyName by an unescaped CommentStart char
currentPair.PropertyName = tokenBuffer.ToString();
tokenBuffer = new StringBuilder();
i--; // put back this char and continue
}
else
{
// can't begin with unescaped comment start char.
throw new FormatException(SR.Get(SRID.InvalidLocCommentTarget, input));
}
}
else if (input[i] == EscapeChar && !escaped)
{
escaped = true;
}
else
{
tokenBuffer.Append(input[i]);
escaped = false;
}
}
}
else
{
// parsing the "Value" part
if (tokenBuffer.Length == 0)
{
if (input[i] == CommentStart && !escaped)
{
// comment must begin with unescaped CommentStart
tokenBuffer.Append(input[i]);
escaped = false;
}
else if (!Char.IsWhiteSpace(input[i]))
{
// else, only white space is allows before an unescaped comment start char
throw new FormatException(SR.Get(SRID.InvalidLocCommentValue, currentPair.PropertyName, input));
}
}
else
{
// inside the comment
if (input[i] == CommentEnd)
{
if (!escaped)
{
// terminated by unescaped Comment
currentPair.Value = tokenBuffer.ToString().Substring(1);
tokens.Add(currentPair);
tokenBuffer = new StringBuilder();
currentPair = new PropertyComment();
}
else
{
// continue on escaped end char
tokenBuffer.Append(input[i]);
escaped = false;
}
}
else if (input[i] == CommentStart && !escaped)
{
// throw if there is unescape start in comment
throw new FormatException(SR.Get(SRID.InvalidLocCommentValue, currentPair.PropertyName, input));
}
else
{
// comment
if (input[i] == EscapeChar && !escaped)
{
escaped = true;
}
else
{
tokenBuffer.Append(input[i]);
escaped = false;
}
}
}
}
}
if (currentPair.PropertyName != null || tokenBuffer.Length != 0)
{
// unmatched PropertyName and Value pair
throw new FormatException(SR.Get(SRID.UnmatchedLocComment, input));
}
return tokens.ToArray();
}
//------------------------------
// Private methods
//------------------------------
private static LocalizabilityGroup LookupAndSetLocalizabilityAttribute(string input)
{
//
// For Localization.Attributes, values are seperated by spaces, e.g.
// $Content (Modifiable Readable)
// We are breaking the content and convert it to corresponding enum values.
//
LocalizabilityGroup attributeGroup = new LocalizabilityGroup();
StringBuilder builder = new StringBuilder();
for (int i = 0; i < input.Length; i ++)
{
if (Char.IsWhiteSpace(input[i]))
{
if (builder.Length > 0)
{
ParseLocalizabilityString(
builder.ToString(),
attributeGroup
);
builder = new StringBuilder();
}
}
else
{
builder.Append(input[i]);
}
}
if (builder.Length > 0)
{
ParseLocalizabilityString(
builder.ToString(),
attributeGroup
);
}
return attributeGroup;
}
private static void ParseLocalizabilityString(
string value,
LocalizabilityGroup attributeGroup
)
{
int enumValue;
if (ReadabilityIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Readability = (Readability) enumValue;
return;
}
if (ModifiabilityIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Modifiability = (Modifiability) enumValue;
return;
}
if (LocalizationCategoryIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Category = (LocalizationCategory) enumValue;
return;
}
throw new FormatException(SR.Get(SRID.InvalidLocalizabilityValue, value));
}
private const char CommentStart = '(';
private const char CommentEnd = ')';
private const char EscapeChar = '\\';
// loc comments file recognized element
internal const string LocDocumentRoot = "LocalizableAssembly";
internal const string LocResourcesElement = "LocalizableFile";
internal const string LocCommentsElement = "LocalizationDirectives";
internal const string LocFileNameAttribute = "Name";
internal const string LocCommentIDAttribute = "Uid";
internal const string LocCommentsAttribute = "Comments";
internal const string LocLocalizabilityAttribute = "Attributes";
//
// Tables that map the enum string names into their enum indices.
// Each index table contains the list of enum names in the exact
// order of their enum indices. They must be consistent with the enum
// declarations in core.
//
private static EnumNameIndexTable ReadabilityIndexTable = new EnumNameIndexTable(
"Readability.",
new string[] {
"Unreadable",
"Readable",
"Inherit"
}
);
private static EnumNameIndexTable ModifiabilityIndexTable = new EnumNameIndexTable(
"Modifiability.",
new string[] {
"Unmodifiable",
"Modifiable",
"Inherit"
}
);
private static EnumNameIndexTable LocalizationCategoryIndexTable = new EnumNameIndexTable(
"LocalizationCategory.",
new string[] {
"None",
"Text",
"Title",
"Label",
"Button",
"CheckBox",
"ComboBox",
"ListBox",
"Menu",
"RadioButton",
"ToolTip",
"Hyperlink",
"TextFlow",
"XmlData",
"Font",
"Inherit",
"Ignore",
"NeverLocalize"
}
);
///
/// A simple table that maps a enum name into its enum index. The string can be
/// the enum value's name by itself or preceeded by the enum's prefix to reduce
/// ambiguity.
///
private class EnumNameIndexTable
{
private string _enumPrefix;
private string[] _enumNames;
internal EnumNameIndexTable(
string enumPrefix,
string[] enumNames
)
{
Debug.Assert(enumPrefix != null && enumNames != null);
_enumPrefix = enumPrefix;
_enumNames = enumNames;
}
internal bool TryGet(string enumName, out int enumIndex)
{
enumIndex = 0;
if (enumName.StartsWith(_enumPrefix , StringComparison.Ordinal))
{
// get the real enum name after the prefix.
enumName = enumName.Substring(_enumPrefix.Length);
}
for (int i = 0; i < _enumNames.Length; i++)
{
if (string.Compare(enumName, _enumNames[i], StringComparison.Ordinal) == 0)
{
enumIndex = i;
return true;
}
}
return false;
}
}
}
internal class PropertyComment
{
string _target;
object _value;
internal PropertyComment() {}
internal string PropertyName
{
get { return _target; }
set { _target = value; }
}
internal object Value
{
get { return _value;}
set { _value = value;}
}
}
internal class LocalizabilityGroup
{
private const int InvalidValue = -1;
internal Modifiability Modifiability;
internal Readability Readability;
internal LocalizationCategory Category;
internal LocalizabilityGroup()
{
Modifiability = (Modifiability) InvalidValue;
Readability = (Readability) InvalidValue;
Category = (LocalizationCategory) InvalidValue;
}
#if !PBTCOMPILER
// Helper to override a localizability attribute. Not needed for compiler
internal LocalizabilityAttribute Override(LocalizabilityAttribute attribute)
{
Modifiability modifiability = attribute.Modifiability;
Readability readability = attribute.Readability;
LocalizationCategory category = attribute.Category;
bool overridden = false;
if (((int) Modifiability)!= InvalidValue)
{
modifiability = Modifiability;
overridden = true;
}
if (((int) Readability) != InvalidValue)
{
readability = Readability;
overridden = true;
}
if (((int) Category) != InvalidValue)
{
category = Category;
overridden = true;
}
if (overridden)
{
attribute = new LocalizabilityAttribute(category);
attribute.Modifiability = modifiability;
attribute.Readability = readability;
}
return attribute;
}
#endif
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
//
// Description: Localization comments related class
//
// History:
// 12/4/2004: Garyyang Created the file
//
//---------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.IO;
using System.Xml;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
#if !PBTCOMPILER
using System.Windows;
#endif
using MS.Utility;
// Disabling 1634 and 1691:
// In order to avoid generating warnings about unknown message numbers and
// unknown pragmas when compiling C# source code with the C# compiler,
// you need to disable warnings 1634 and 1691. (Presharp Documentation)
#pragma warning disable 1634, 1691
namespace MS.Internal.Globalization
{
///
/// Note: the class name and property name must be kept in [....]'ed with
/// Framework\System\Windows\Localization.cs file.
/// Compiler checks for them by literal string comparisons.
///
internal static class LocComments
{
///
/// Helper function to determine whether this is the Localization.Attribute attached proeprty
///
/// type name
/// property name
internal static bool IsLocLocalizabilityProperty(string type, string property)
{
return "Attributes" == property
&& "System.Windows.Localization" == type;
}
///
/// Helper function to determind whether this is the Localization.Comments attached proeprty
///
/// type name
/// property name
internal static bool IsLocCommentsProperty(string type, string property)
{
return "Comments" == property
&& "System.Windows.Localization" == type;
}
///
/// Helper function to parse the Localization.Attributes value into multiple pairs
///
/// content of Localization.Attributes
internal static PropertyComment[] ParsePropertyLocalizabilityAttributes(string input)
{
PropertyComment[] pairs = ParsePropertyComments(input);
if (pairs != null)
{
for (int i = 0; i < pairs.Length; i++)
{
pairs[i].Value = LookupAndSetLocalizabilityAttribute((string) pairs[i].Value);
}
}
return pairs;
}
///
/// Helper function to parse the Localization.Comments value into multiple pairs
///
/// content of Localization.Comments
internal static PropertyComment[] ParsePropertyComments(string input)
{
//
// Localization comments consist of repeating "[PropertyName]([Value])"
// e.g. $Content (abc) FontSize(def)
//
if (input == null) return null;
List tokens = new List(8);
StringBuilder tokenBuffer = new StringBuilder();
PropertyComment currentPair = new PropertyComment();
bool escaped = false;
for (int i = 0; i < input.Length; i++)
{
if (currentPair.PropertyName == null)
{
// parsing "PropertyName" section
if (Char.IsWhiteSpace(input[i]) && !escaped)
{
if (tokenBuffer.Length > 0)
{
// terminate the PropertyName by an unesacped whitespace
currentPair.PropertyName = tokenBuffer.ToString();
tokenBuffer = new StringBuilder();
}
// else ignore whitespace at the beginning of the PropertyName name
}
else
{
if (input[i] == CommentStart && !escaped)
{
if (i > 0)
{
// terminate the PropertyName by an unescaped CommentStart char
currentPair.PropertyName = tokenBuffer.ToString();
tokenBuffer = new StringBuilder();
i--; // put back this char and continue
}
else
{
// can't begin with unescaped comment start char.
throw new FormatException(SR.Get(SRID.InvalidLocCommentTarget, input));
}
}
else if (input[i] == EscapeChar && !escaped)
{
escaped = true;
}
else
{
tokenBuffer.Append(input[i]);
escaped = false;
}
}
}
else
{
// parsing the "Value" part
if (tokenBuffer.Length == 0)
{
if (input[i] == CommentStart && !escaped)
{
// comment must begin with unescaped CommentStart
tokenBuffer.Append(input[i]);
escaped = false;
}
else if (!Char.IsWhiteSpace(input[i]))
{
// else, only white space is allows before an unescaped comment start char
throw new FormatException(SR.Get(SRID.InvalidLocCommentValue, currentPair.PropertyName, input));
}
}
else
{
// inside the comment
if (input[i] == CommentEnd)
{
if (!escaped)
{
// terminated by unescaped Comment
currentPair.Value = tokenBuffer.ToString().Substring(1);
tokens.Add(currentPair);
tokenBuffer = new StringBuilder();
currentPair = new PropertyComment();
}
else
{
// continue on escaped end char
tokenBuffer.Append(input[i]);
escaped = false;
}
}
else if (input[i] == CommentStart && !escaped)
{
// throw if there is unescape start in comment
throw new FormatException(SR.Get(SRID.InvalidLocCommentValue, currentPair.PropertyName, input));
}
else
{
// comment
if (input[i] == EscapeChar && !escaped)
{
escaped = true;
}
else
{
tokenBuffer.Append(input[i]);
escaped = false;
}
}
}
}
}
if (currentPair.PropertyName != null || tokenBuffer.Length != 0)
{
// unmatched PropertyName and Value pair
throw new FormatException(SR.Get(SRID.UnmatchedLocComment, input));
}
return tokens.ToArray();
}
//------------------------------
// Private methods
//------------------------------
private static LocalizabilityGroup LookupAndSetLocalizabilityAttribute(string input)
{
//
// For Localization.Attributes, values are seperated by spaces, e.g.
// $Content (Modifiable Readable)
// We are breaking the content and convert it to corresponding enum values.
//
LocalizabilityGroup attributeGroup = new LocalizabilityGroup();
StringBuilder builder = new StringBuilder();
for (int i = 0; i < input.Length; i ++)
{
if (Char.IsWhiteSpace(input[i]))
{
if (builder.Length > 0)
{
ParseLocalizabilityString(
builder.ToString(),
attributeGroup
);
builder = new StringBuilder();
}
}
else
{
builder.Append(input[i]);
}
}
if (builder.Length > 0)
{
ParseLocalizabilityString(
builder.ToString(),
attributeGroup
);
}
return attributeGroup;
}
private static void ParseLocalizabilityString(
string value,
LocalizabilityGroup attributeGroup
)
{
int enumValue;
if (ReadabilityIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Readability = (Readability) enumValue;
return;
}
if (ModifiabilityIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Modifiability = (Modifiability) enumValue;
return;
}
if (LocalizationCategoryIndexTable.TryGet(value, out enumValue))
{
attributeGroup.Category = (LocalizationCategory) enumValue;
return;
}
throw new FormatException(SR.Get(SRID.InvalidLocalizabilityValue, value));
}
private const char CommentStart = '(';
private const char CommentEnd = ')';
private const char EscapeChar = '\\';
// loc comments file recognized element
internal const string LocDocumentRoot = "LocalizableAssembly";
internal const string LocResourcesElement = "LocalizableFile";
internal const string LocCommentsElement = "LocalizationDirectives";
internal const string LocFileNameAttribute = "Name";
internal const string LocCommentIDAttribute = "Uid";
internal const string LocCommentsAttribute = "Comments";
internal const string LocLocalizabilityAttribute = "Attributes";
//
// Tables that map the enum string names into their enum indices.
// Each index table contains the list of enum names in the exact
// order of their enum indices. They must be consistent with the enum
// declarations in core.
//
private static EnumNameIndexTable ReadabilityIndexTable = new EnumNameIndexTable(
"Readability.",
new string[] {
"Unreadable",
"Readable",
"Inherit"
}
);
private static EnumNameIndexTable ModifiabilityIndexTable = new EnumNameIndexTable(
"Modifiability.",
new string[] {
"Unmodifiable",
"Modifiable",
"Inherit"
}
);
private static EnumNameIndexTable LocalizationCategoryIndexTable = new EnumNameIndexTable(
"LocalizationCategory.",
new string[] {
"None",
"Text",
"Title",
"Label",
"Button",
"CheckBox",
"ComboBox",
"ListBox",
"Menu",
"RadioButton",
"ToolTip",
"Hyperlink",
"TextFlow",
"XmlData",
"Font",
"Inherit",
"Ignore",
"NeverLocalize"
}
);
///
/// A simple table that maps a enum name into its enum index. The string can be
/// the enum value's name by itself or preceeded by the enum's prefix to reduce
/// ambiguity.
///
private class EnumNameIndexTable
{
private string _enumPrefix;
private string[] _enumNames;
internal EnumNameIndexTable(
string enumPrefix,
string[] enumNames
)
{
Debug.Assert(enumPrefix != null && enumNames != null);
_enumPrefix = enumPrefix;
_enumNames = enumNames;
}
internal bool TryGet(string enumName, out int enumIndex)
{
enumIndex = 0;
if (enumName.StartsWith(_enumPrefix , StringComparison.Ordinal))
{
// get the real enum name after the prefix.
enumName = enumName.Substring(_enumPrefix.Length);
}
for (int i = 0; i < _enumNames.Length; i++)
{
if (string.Compare(enumName, _enumNames[i], StringComparison.Ordinal) == 0)
{
enumIndex = i;
return true;
}
}
return false;
}
}
}
internal class PropertyComment
{
string _target;
object _value;
internal PropertyComment() {}
internal string PropertyName
{
get { return _target; }
set { _target = value; }
}
internal object Value
{
get { return _value;}
set { _value = value;}
}
}
internal class LocalizabilityGroup
{
private const int InvalidValue = -1;
internal Modifiability Modifiability;
internal Readability Readability;
internal LocalizationCategory Category;
internal LocalizabilityGroup()
{
Modifiability = (Modifiability) InvalidValue;
Readability = (Readability) InvalidValue;
Category = (LocalizationCategory) InvalidValue;
}
#if !PBTCOMPILER
// Helper to override a localizability attribute. Not needed for compiler
internal LocalizabilityAttribute Override(LocalizabilityAttribute attribute)
{
Modifiability modifiability = attribute.Modifiability;
Readability readability = attribute.Readability;
LocalizationCategory category = attribute.Category;
bool overridden = false;
if (((int) Modifiability)!= InvalidValue)
{
modifiability = Modifiability;
overridden = true;
}
if (((int) Readability) != InvalidValue)
{
readability = Readability;
overridden = true;
}
if (((int) Category) != InvalidValue)
{
category = Category;
overridden = true;
}
if (overridden)
{
attribute = new LocalizabilityAttribute(category);
attribute.Modifiability = modifiability;
attribute.Readability = readability;
}
return attribute;
}
#endif
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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