private void RenderElement(StringBuilder builder, VariableReference variable, object variableValue, bool firstVariable, bool firstElement)
{
if (builder == null)
throw new ArgumentNullException("builder");
if (variableValue == null)
throw new ArgumentNullException("variableValue");
if (firstElement || variable.Composite)
builder.Append('.');
else if (!firstElement)
builder.Append(',');
AppendText(builder, variable, variableValue.ToString(), true);
}
protected override void RenderEnumerable(StringBuilder builder, VariableReference variable, IEnumerable variableValue, bool first)
{
bool firstElement = true;
foreach (object value in variableValue)
{
if (value == null)
continue;
RenderElement(builder, variable, value, first, firstElement);
firstElement = false;
}
}
private static string BuildVariablePattern(VariableReference variable, bool allowReservedSet, string groupName, ICollection<string> requiredVariables, ICollection<string> arrayVariables, ICollection<string> mapVariables)
{
string characterPattern;
if (allowReservedSet)
characterPattern = "(?:" + UnreservedCharacterPattern + "|" + ReservedCharacterPattern + ")";
else
characterPattern = "(?:" + UnreservedCharacterPattern + ")";
string valueStartPattern;
if (!string.IsNullOrEmpty(groupName))
valueStartPattern = "(?<" + groupName + ">";
else
valueStartPattern = "(?:";
string valueEndPattern = ")";
string keyStartPattern;
if (!string.IsNullOrEmpty(groupName))
keyStartPattern = "(?<" + groupName + "key>";
else
keyStartPattern = "(?:";
string keyEndPattern = ")";
string mapValueStartPattern;
if (!string.IsNullOrEmpty(groupName))
mapValueStartPattern = "(?<" + groupName + "value>";
else
mapValueStartPattern = "(?:";
string mapValueEndPattern = ")";
string countPattern;
if (allowReservedSet)
countPattern = "*?";
else
countPattern = "*?";
StringBuilder variablePattern = new StringBuilder();
if (variable.Prefix != null)
{
// by this point we know to match the variable as a simple string
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern);
variablePattern.Append("{0,").Append(variable.Prefix).Append("}");
variablePattern.Append(valueEndPattern);
return variablePattern.ToString();
}
bool treatAsArray = arrayVariables.Contains(variable.Name);
bool treatAsMap = mapVariables.Contains(variable.Name);
bool considerString = !variable.Composite && !treatAsArray && !treatAsMap;
bool considerArray = treatAsArray || !treatAsMap;
bool considerMap = treatAsMap || !treatAsArray;
variablePattern.Append("(?:");
if (considerString)
{
// could be a simple string
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(valueEndPattern);
}
if (considerArray)
{
if (considerString)
variablePattern.Append('|');
// could be an associative array
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
variablePattern.Append("(?:").Append(variable.Composite ? @"\." : ",");
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
variablePattern.Append(")*?");
}
if (considerMap)
{
if (considerString || considerArray)
variablePattern.Append('|');
// could be an associative map
char separator = variable.Composite ? '=' : ',';
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(separator).Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
variablePattern.Append("(?:").Append(variable.Composite ? @"\." : ",");
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(separator).Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
variablePattern.Append(")*?");
}
variablePattern.Append(")");
return variablePattern.ToString();
}
protected override void RenderDictionary(StringBuilder builder, VariableReference variable, IDictionary variableValue, bool first)
{
bool firstElement = true;
foreach (DictionaryEntry entry in variableValue)
{
if (variable.Composite)
{
builder.Append('.');
AppendText(builder, variable, entry.Key.ToString(), true);
builder.Append('=');
AppendText(builder, variable, entry.Value.ToString(), true);
}
else
{
RenderElement(builder, variable, entry.Key, first, firstElement);
RenderElement(builder, variable, entry.Value, first, false);
}
firstElement = false;
}
}
protected override void RenderElement(StringBuilder builder, VariableReference variable, object variableValue, bool first)
{
RenderElement(builder, variable, variableValue, first, true);
}
protected override void RenderElement(StringBuilder builder, VariableReference variable, object variableValue, bool first)
{
if (builder == null)
throw new ArgumentNullException("builder");
if (variableValue == null)
throw new ArgumentNullException("variableValue");
if (first)
builder.Append('#');
if (!first)
builder.Append(',');
AppendText(builder, variable, variableValue.ToString(), false);
}
private void RenderElement(StringBuilder builder, VariableReference variable, object variableValue, bool firstVariable, bool firstElement)
{
if (builder == null)
throw new ArgumentNullException("builder");
if (variableValue == null)
throw new ArgumentNullException("variableValue");
if (firstElement || variable.Composite)
builder.Append(Type == UriTemplatePartType.Query && firstVariable && firstElement ? '?' : '&').Append(variable.Name).Append('=');
else if (!firstElement)
builder.Append(',');
AppendText(builder, variable, variableValue.ToString(), true);
}
private static string BuildVariablePattern(VariableReference variable, bool allowReservedSet, string groupName, ICollection<string> requiredVariables, ICollection<string> arrayVariables, ICollection<string> mapVariables)
{
string characterPattern;
if (allowReservedSet)
characterPattern = "(?:" + UnreservedCharacterPattern + "|" + ReservedCharacterPattern + ")";
else
characterPattern = "(?:" + UnreservedCharacterPattern + ")";
string valueStartPattern;
if (!string.IsNullOrEmpty(groupName))
valueStartPattern = "(?<" + groupName + ">";
else
valueStartPattern = "(?:";
string valueEndPattern = ")";
string nameStartPattern;
if (!string.IsNullOrEmpty(groupName))
nameStartPattern = "(?<" + groupName + "name>";
else
nameStartPattern = "(?:";
string nameEndPattern = ")";
string keyStartPattern;
if (!string.IsNullOrEmpty(groupName))
keyStartPattern = "(?<" + groupName + "key>";
else
keyStartPattern = "(?:";
string keyEndPattern = ")";
string mapValueStartPattern;
if (!string.IsNullOrEmpty(groupName))
mapValueStartPattern = "(?<" + groupName + "value>";
else
mapValueStartPattern = "(?:";
string mapValueEndPattern = ")";
string countPattern;
if (allowReservedSet)
countPattern = "*?";
else
countPattern = "*";
StringBuilder variablePattern = new StringBuilder();
if (variable.Prefix != null)
{
// by this point we know to match the variable as a simple string
variablePattern.Append("(?:");
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern).Append('=');
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern);
variablePattern.Append("{0,").Append(variable.Prefix).Append("}");
variablePattern.Append(valueEndPattern);
variablePattern.Append(")");
return variablePattern.ToString();
}
bool treatAsArray = arrayVariables.Contains(variable.Name);
bool treatAsMap = mapVariables.Contains(variable.Name);
bool considerString = !variable.Composite && !treatAsArray && !treatAsMap;
bool considerArray = treatAsArray || !treatAsMap;
bool considerMap = treatAsMap || !treatAsArray;
variablePattern.Append("(?:");
if (considerString)
{
// could be a simple string
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern).Append('=');
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(valueEndPattern);
}
if (considerArray)
{
if (considerString)
variablePattern.Append('|');
// could be an associative array
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern).Append('=');
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
if (!variable.Composite)
{
/* Composite variables appear as separate query parameters that are aggregated by the Match method.
* This expression only needs to handle the non-composite case.
*/
variablePattern.Append("(?:,");
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
variablePattern.Append(")*?");
}
}
if (considerMap)
{
if (considerString || considerArray)
variablePattern.Append('|');
if (!variable.Composite)
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern).Append('=');
// could be an associative map
char separator = variable.Composite ? '=' : ',';
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(separator).Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
if (!variable.Composite)
{
/* Composite variables appear as separate query parameters that are aggregated by the Match method.
* This expression only needs to handle the non-composite case.
*/
variablePattern.Append("(?:,");
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(separator).Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
variablePattern.Append(")*?");
}
}
variablePattern.Append(")");
return variablePattern.ToString();
}
private void RenderElement(StringBuilder builder, VariableReference variable, object variableValue, bool firstVariable, bool firstElement)
{
if (builder == null)
throw new ArgumentNullException("builder");
if (variableValue == null)
throw new ArgumentNullException("variableValue");
if (firstElement || variable.Composite)
builder.Append(";").Append(variable.Name);
else if (!firstElement)
builder.Append(',');
string text = variableValue.ToString();
if ((firstElement || variable.Composite) && !string.IsNullOrEmpty(text))
builder.Append('=');
AppendText(builder, variable, text, true);
}
private static string BuildVariablePattern(VariableReference variable, bool allowReservedSet, string groupName, ICollection<string> requiredVariables, ICollection<string> arrayVariables, ICollection<string> mapVariables)
{
string characterPattern;
if (allowReservedSet)
characterPattern = "(?:" + UnreservedCharacterPattern + "|" + ReservedCharacterPattern + ")";
else
characterPattern = "(?:" + UnreservedCharacterPattern + ")";
string valueStartPattern;
if (!string.IsNullOrEmpty(groupName))
valueStartPattern = "(?<" + groupName + ">";
else
valueStartPattern = "(?:";
string valueEndPattern = ")";
string nameStartPattern;
if (!string.IsNullOrEmpty(groupName))
nameStartPattern = "(?<" + groupName + "name>";
else
nameStartPattern = "(?:";
string nameEndPattern = ")";
string keyStartPattern;
if (!string.IsNullOrEmpty(groupName))
keyStartPattern = "(?<" + groupName + "key>";
else
keyStartPattern = "(?:";
string keyEndPattern = ")";
string mapValueStartPattern;
if (!string.IsNullOrEmpty(groupName))
mapValueStartPattern = "(?<" + groupName + "value>";
else
mapValueStartPattern = "(?:";
string mapValueEndPattern = ")";
string countPattern;
if (allowReservedSet)
countPattern = "*?";
else
countPattern = "*";
string positiveCountPattern;
if (allowReservedSet)
positiveCountPattern = "+?";
else
positiveCountPattern = "+";
StringBuilder variablePattern = new StringBuilder();
if (variable.Prefix != null)
{
// by this point we know to match the variable as a simple string
variablePattern.Append("(?:");
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern);
// the '=' is only included for non-empty values
variablePattern.Append("(?:=");
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern);
variablePattern.Append("{1,").Append(variable.Prefix).Append("}");
variablePattern.Append(valueEndPattern);
variablePattern.Append("|").Append(valueStartPattern).Append(valueEndPattern);
variablePattern.Append(")");
variablePattern.Append(")");
return variablePattern.ToString();
}
bool treatAsArray = arrayVariables.Contains(variable.Name);
bool treatAsMap = mapVariables.Contains(variable.Name);
bool considerString = !variable.Composite && !treatAsArray && !treatAsMap;
bool considerArray = treatAsArray || !treatAsMap;
bool considerMap = treatAsMap || !treatAsArray;
variablePattern.Append("(?:");
if (considerString)
{
// could be a simple string
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern);
// the '=' is only included for non-empty values
variablePattern.Append("(?:=");
variablePattern.Append(valueStartPattern);
variablePattern.Append(characterPattern).Append(positiveCountPattern);
variablePattern.Append(valueEndPattern);
variablePattern.Append("|").Append(valueStartPattern).Append(valueEndPattern);
variablePattern.Append(")");
}
if (considerArray)
{
if (considerString)
variablePattern.Append('|');
// could be an associative array
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern);
if (variable.Composite)
{
// the '=' is only included for non-empty values
variablePattern.Append("(?:=");
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(positiveCountPattern).Append(valueEndPattern);
variablePattern.Append("|").Append(valueStartPattern).Append(valueEndPattern);
variablePattern.Append(")");
}
else
{
// the '=' is only included for non-empty values
variablePattern.Append("(?:");
// positiveCountPattern if only one item
variablePattern.Append('=');
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(positiveCountPattern).Append(valueEndPattern);
// countPattern for multiple items (the ',' will make the value non-empty)
variablePattern.Append("|=");
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
variablePattern.Append("(?:,");
variablePattern.Append(valueStartPattern).Append(characterPattern).Append(countPattern).Append(valueEndPattern);
variablePattern.Append(")+?");
// zero items
variablePattern.Append("|").Append(valueStartPattern).Append(valueEndPattern);
variablePattern.Append(")");
}
}
if (considerMap)
{
if (considerString || considerArray)
variablePattern.Append('|');
// could be an associative map
if (variable.Composite)
{
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
// the '=' is only included for non-empty values
variablePattern.Append("(?:=");
variablePattern.Append(mapValueStartPattern).Append(characterPattern).Append(positiveCountPattern).Append(mapValueEndPattern);
variablePattern.Append("|").Append(mapValueStartPattern).Append(mapValueEndPattern);
variablePattern.Append(")");
variablePattern.Append(valueEndPattern);
}
else
{
variablePattern.Append(nameStartPattern).Append(Regex.Escape(variable.Name)).Append(nameEndPattern);
// the '=' is only included for non-empty values
variablePattern.Append("(?:=");
// the ',' between the key and value allows countPattern and still never empty
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(',').Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
/* Composite variables appear as separate path parameters that are aggregated by the Match method.
* This expression only needs to handle the non-composite case.
*/
variablePattern.Append("(?:,");
variablePattern.Append(valueStartPattern);
variablePattern.Append(keyStartPattern);
variablePattern.Append(characterPattern).Append(countPattern);
variablePattern.Append(keyEndPattern);
variablePattern.Append(',').Append(mapValueStartPattern).Append(characterPattern).Append(countPattern).Append(mapValueEndPattern);
variablePattern.Append(valueEndPattern);
variablePattern.Append(")*?");
// zero items
variablePattern.Append("|").Append(valueStartPattern).Append(valueEndPattern);
variablePattern.Append(")");
}
}
variablePattern.Append(")");
return variablePattern.ToString();
}
