private void FormatAttribute(System.Xml.XmlWriter writer, IStream <Token <MarkupTokenType> > stream)
{
Token <MarkupTokenType> token = stream.Peek();
writer.WriteStartAttribute(token.Name.Prefix, token.Name.LocalName, token.Name.NamespaceUri);
stream.Pop();
token = stream.Peek();
switch (token.TokenType)
{
case MarkupTokenType.Primitive:
{
ITextFormattable <MarkupTokenType> formattable = token.Value as ITextFormattable <MarkupTokenType>;
if (formattable != null)
{
formattable.Format(this, new XmlWriterAdapter(writer));
}
else
{
writer.WriteString(token.ValueAsString());
}
break;
}
default:
{
throw new TokenException <MarkupTokenType>(
token,
String.Format(ErrorUnexpectedToken, token));
}
}
stream.Pop();
writer.WriteEndAttribute();
}
private void WriteAttribute(TextWriter writer, string prefix, string localName, Token <MarkupTokenType> value)
{
// " "
writer.Write(MarkupGrammar.OperatorValueDelim);
if (!String.IsNullOrEmpty(prefix))
{
// "prefix:"
this.WriteLocalName(writer, prefix);
writer.Write(MarkupGrammar.OperatorPrefixDelim);
}
// local-name
this.WriteLocalName(writer, localName);
ITextFormattable <MarkupTokenType> formattable = value.Value as ITextFormattable <MarkupTokenType>;
string attrValue = (formattable == null) ? value.ValueAsString() : null;
if ((formattable == null) &&
String.IsNullOrEmpty(attrValue))
{
switch (this.EmptyAttributes)
{
case EmptyAttributeType.Html:
{
return;
}
case EmptyAttributeType.Xhtml:
{
attrValue = localName;
break;
}
case EmptyAttributeType.Xml:
{
break;
}
}
}
// ="value"
writer.Write(MarkupGrammar.OperatorPairDelim);
writer.Write(MarkupGrammar.OperatorStringDelim);
switch (value.TokenType)
{
case MarkupTokenType.Primitive:
{
if (formattable != null)
{
formattable.Format(this, writer);
}
else
{
HtmlFormatter.HtmlAttributeEncode(writer, attrValue, this.encodeNonAscii, this.canonicalForm);
}
break;
}
default:
{
throw new TokenException <MarkupTokenType>(
value,
String.Format(HtmlFormatter.ErrorUnexpectedToken, value));
}
}
writer.Write(MarkupGrammar.OperatorStringDelim);
}
/// <summary>
/// Formats the token sequence to the writer
/// </summary>
/// <param name="writer"></param>
/// <param name="tokens"></param>
public void Format(IEnumerable <Token <MarkupTokenType> > tokens, TextWriter writer)
{
if (tokens == null)
{
throw new ArgumentNullException("tokens");
}
IStream <Token <MarkupTokenType> > stream = Stream <Token <MarkupTokenType> > .Create(tokens);
PrefixScopeChain.Scope scope = null;
while (!stream.IsCompleted)
{
Token <MarkupTokenType> token = stream.Peek();
switch (token.TokenType)
{
case MarkupTokenType.ElementBegin:
case MarkupTokenType.ElementVoid:
{
DataName tagName = token.Name;
MarkupTokenType tagType = token.TokenType;
stream.Pop();
token = stream.Peek();
scope = new PrefixScopeChain.Scope();
if (this.ScopeChain.ContainsNamespace(tagName.NamespaceUri) ||
(String.IsNullOrEmpty(tagName.NamespaceUri) && !this.ScopeChain.ContainsPrefix(String.Empty)))
{
string prefix = this.ScopeChain.GetPrefix(tagName.NamespaceUri, false);
scope.TagName = new DataName(tagName.LocalName, prefix, tagName.NamespaceUri);
}
else
{
scope[tagName.Prefix] = tagName.NamespaceUri;
scope.TagName = tagName;
}
this.ScopeChain.Push(scope);
IDictionary <DataName, Token <MarkupTokenType> > attributes = null;
while (!stream.IsCompleted && token.TokenType == MarkupTokenType.Attribute)
{
if (attributes == null)
{
attributes = this.canonicalForm ?
(IDictionary <DataName, Token <MarkupTokenType> >) new CanonicalList() :
(IDictionary <DataName, Token <MarkupTokenType> >) new Dictionary <DataName, Token <MarkupTokenType> >();
}
DataName attrName = token.Name;
string prefix = this.ScopeChain.EnsurePrefix(attrName.Prefix, attrName.NamespaceUri);
if (prefix != null)
{
if (prefix != attrName.Prefix)
{
attrName = new DataName(attrName.LocalName, prefix, attrName.NamespaceUri, true);
}
if (!this.ScopeChain.ContainsNamespace(attrName.NamespaceUri) &&
(!String.IsNullOrEmpty(attrName.NamespaceUri) || this.ScopeChain.ContainsPrefix(String.Empty)))
{
scope[prefix] = attrName.NamespaceUri;
}
}
stream.Pop();
token = stream.Peek();
attributes[attrName] = token ?? MarkupGrammar.TokenNone;
stream.Pop();
token = stream.Peek();
}
this.WriteTag(writer, tagType, tagName, attributes, scope);
scope = null;
break;
}
case MarkupTokenType.ElementEnd:
{
if (this.ScopeChain.HasScope)
{
this.WriteTag(writer, MarkupTokenType.ElementEnd, this.ScopeChain.Peek().TagName, null, null);
this.ScopeChain.Pop();
}
else
{
// TODO: decide if this is should throw an exception
}
stream.Pop();
token = stream.Peek();
break;
}
case MarkupTokenType.Primitive:
{
ITextFormattable <MarkupTokenType> formattable = token.Value as ITextFormattable <MarkupTokenType>;
if (formattable != null)
{
formattable.Format(this, writer);
}
else
{
HtmlFormatter.HtmlEncode(writer, token.ValueAsString(), this.encodeNonAscii, this.canonicalForm);
}
stream.Pop();
token = stream.Peek();
break;
}
default:
{
throw new TokenException <MarkupTokenType>(
token,
String.Format(ErrorUnexpectedToken, token.TokenType));
}
}
}
}
/// <summary>
/// Formats the token sequence to the writer
/// </summary>
/// <param name="writer"></param>
/// <param name="tokens"></param>
public void Format(IEnumerable <Token <ModelTokenType> > tokens, TextWriter writer)
{
if (tokens == null)
{
throw new ArgumentNullException("tokens");
}
bool prettyPrint = this.Settings.PrettyPrint;
// allows us to keep basic context without resorting to a push-down automata
bool pendingNewLine = false;
bool needsValueDelim = false;
int depth = 0;
foreach (Token <ModelTokenType> token in tokens)
{
switch (token.TokenType)
{
case ModelTokenType.ArrayBegin:
{
if (needsValueDelim)
{
writer.Write(JsonGrammar.OperatorValueDelim);
if (prettyPrint)
{
this.WriteLine(writer, depth);
}
}
if (pendingNewLine)
{
if (prettyPrint)
{
this.WriteLine(writer, ++depth);
}
pendingNewLine = false;
}
writer.Write(JsonGrammar.OperatorArrayBegin);
pendingNewLine = true;
needsValueDelim = false;
continue;
}
case ModelTokenType.ArrayEnd:
{
if (pendingNewLine)
{
pendingNewLine = false;
}
else if (prettyPrint)
{
this.WriteLine(writer, --depth);
}
writer.Write(JsonGrammar.OperatorArrayEnd);
needsValueDelim = true;
continue;
}
case ModelTokenType.Primitive:
{
if (needsValueDelim)
{
writer.Write(JsonGrammar.OperatorValueDelim);
if (prettyPrint)
{
this.WriteLine(writer, depth);
}
}
if (pendingNewLine)
{
if (prettyPrint)
{
this.WriteLine(writer, ++depth);
}
pendingNewLine = false;
}
Type valueType =
(token.Value == null) ? null :
token.Value.GetType();
TypeCode typeCode = Type.GetTypeCode(valueType);
switch (typeCode)
{
case TypeCode.Boolean:
{
writer.Write(true.Equals(token.Value) ? JsonGrammar.KeywordTrue : JsonGrammar.KeywordFalse);
break;
}
case TypeCode.Byte:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.Single:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
{
if (valueType.IsEnum)
{
goto default;
}
this.WriteNumber(writer, token.Value, typeCode);
break;
}
case TypeCode.DBNull:
case TypeCode.Empty:
{
writer.Write(JsonGrammar.KeywordNull);
break;
}
default:
{
ITextFormattable <ModelTokenType> formattable = token.Value as ITextFormattable <ModelTokenType>;
if (formattable != null)
{
formattable.Format(this, writer);
break;
}
this.WritePrimitive(writer, token.Value);
break;
}
}
needsValueDelim = true;
continue;
}
case ModelTokenType.ObjectBegin:
{
if (needsValueDelim)
{
writer.Write(JsonGrammar.OperatorValueDelim);
if (prettyPrint)
{
this.WriteLine(writer, depth);
}
}
if (pendingNewLine)
{
if (prettyPrint)
{
this.WriteLine(writer, ++depth);
}
pendingNewLine = false;
}
writer.Write(JsonGrammar.OperatorObjectBegin);
pendingNewLine = true;
needsValueDelim = false;
continue;
}
case ModelTokenType.ObjectEnd:
{
if (pendingNewLine)
{
pendingNewLine = false;
}
else if (prettyPrint)
{
this.WriteLine(writer, --depth);
}
writer.Write(JsonGrammar.OperatorObjectEnd);
needsValueDelim = true;
continue;
}
case ModelTokenType.Property:
{
if (needsValueDelim)
{
writer.Write(JsonGrammar.OperatorValueDelim);
if (prettyPrint)
{
this.WriteLine(writer, depth);
}
}
if (pendingNewLine)
{
if (prettyPrint)
{
this.WriteLine(writer, ++depth);
}
pendingNewLine = false;
}
this.WritePropertyName(writer, token.Name.LocalName);
if (prettyPrint)
{
writer.Write(" ");
writer.Write(JsonGrammar.OperatorPairDelim);
writer.Write(" ");
}
else
{
writer.Write(JsonGrammar.OperatorPairDelim);
}
needsValueDelim = false;
continue;
}
case ModelTokenType.None:
default:
{
throw new TokenException <ModelTokenType>(
token,
String.Format(ErrorUnexpectedToken, token.TokenType));
}
}
}
}
/// <summary>
/// Formats the token sequence to the writer
/// </summary>
/// <param name="writer"></param>
/// <param name="tokens"></param>
public void Format(System.Xml.XmlWriter writer, IEnumerable <Token <MarkupTokenType> > tokens)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (tokens == null)
{
throw new ArgumentNullException("tokens");
}
int depth = 0;
IStream <Token <MarkupTokenType> > stream = Stream <Token <MarkupTokenType> > .Create(tokens);
Token <MarkupTokenType> token = stream.Peek();
try
{
while (!stream.IsCompleted)
{
switch (token.TokenType)
{
case MarkupTokenType.ElementBegin:
{
depth++;
writer.WriteStartElement(token.Name.Prefix, token.Name.LocalName, token.Name.NamespaceUri);
stream.Pop();
token = stream.Peek();
break;
}
case MarkupTokenType.ElementVoid:
{
writer.WriteStartElement(token.Name.Prefix, token.Name.LocalName, token.Name.NamespaceUri);
stream.Pop();
token = stream.Peek();
while (!stream.IsCompleted && token.TokenType == MarkupTokenType.Attribute)
{
this.FormatAttribute(writer, stream);
token = stream.Peek();
}
writer.WriteEndElement();
break;
}
case MarkupTokenType.ElementEnd:
{
depth--;
writer.WriteEndElement();
stream.Pop();
token = stream.Peek();
break;
}
case MarkupTokenType.Attribute:
{
this.FormatAttribute(writer, stream);
token = stream.Peek();
break;
}
case MarkupTokenType.Primitive:
{
ITextFormattable <MarkupTokenType> formattable = token.Value as ITextFormattable <MarkupTokenType>;
if (formattable != null)
{
formattable.Format(this, new XmlWriterAdapter(writer));
}
else
{
writer.WriteString(token.ValueAsString());
}
stream.Pop();
token = stream.Peek();
break;
}
default:
{
throw new TokenException <MarkupTokenType>(
token,
String.Format(ErrorUnexpectedToken, token.TokenType));
}
}
}
while (depth-- > 0)
{
// auto close otherwise XmlWriter will choke
writer.WriteEndElement();
}
}
catch (Exception ex)
{
throw new TokenException <MarkupTokenType>(token, ex.Message, ex);
}
}
