/// <summary>
/// Copies formatting-related property values from one verbose formatter to another one.
/// Use this method to change active formatter so that it formats string in the way
/// in which other formatter would do, but preserving other settings, like indentation details,
/// maximum depth when recursively iterating through contents of the object etc.
/// </summary>
/// <param name="src">Formatter from which formatting property values are copied.</param>
/// <param name="dest">Formatter into which formatting property values are copied.</param>
/// <returns>Reference to <paramref name="dest" /> which is the updated verbose formatter.</returns>
public static VerboseFormatInfoBase CopyFormatting(VerboseFormatInfoBase src, VerboseFormatInfoBase dest)
{
dest.IsMultiLinedFormat = src.IsMultiLinedFormat;
dest.FieldDelimiter = src.FieldDelimiter;
dest.LinePrefix = src.LinePrefix;
dest.IndentationString = src.IndentationString;
dest.RightMostIndentationString = src.RightMostIndentationString;
dest.LastIndentationString = src.LastIndentationString;
dest.LastRightMostIndentationString = src.LastRightMostIndentationString;
return(dest);
}
/// <summary>
/// Tries to append character to the string builder within given amount of characters allowed. Always succeeds in multi-lined formatters.
/// </summary>
/// <param name="formatter">Formatter which has requested character to be appended.</param>
/// <param name="sb">String builder to which string should be appended.</param>
/// <param name="c">Character which should be appended.</param>
/// <param name="success">
/// Indicates whether appending operations this far have been successful (true)
/// or some of the previous append operations has already failed (false). If false, appending will not be attempted.
/// </param>
/// <param name="maxLength">
/// On input contains maximum number of characters that are allowed to be appended to the string builder.
/// On output indicates remaining character positions allowed before appending will fail.
/// </param>
/// <returns>true if appending operation was successful within given number of allowed characters; otherwise false.</returns>
public static bool TryAppendChar(VerboseFormatInfoBase formatter, StringBuilder sb, char c, bool success, ref int maxLength)
{
if (success && (formatter.IsMultiLinedFormat || maxLength < 0 || maxLength > 0))
{
sb.Append(c);
if (maxLength > 0)
{
maxLength--;
}
}
else
{
success = false;
}
return(success);
}
/// <summary>
/// Copy constructor. Used to build format providers that share common property values with some existing instance.
/// </summary>
/// <param name="other">Instance from which common property values will be copied.</param>
public VerboseFormatInfoBase(VerboseFormatInfoBase other)
: this()
{
_instanceDataType = other._instanceDataType;
_instanceName = other._instanceName;
_fieldDelimiter = other._fieldDelimiter;
_firstContainedValuePrefix = other._firstContainedValuePrefix;
_lastContainedValueSuffix = other._lastContainedValueSuffix;
_isMultiLinedFormat = other._isMultiLinedFormat;
_linePrefix = other._linePrefix;
_indentationString = other._indentationString;
_rightMostIndentationString = other._rightMostIndentationString;
_lastIndentationString = other._lastIndentationString;
_lastRightMostIndentationString = other._lastRightMostIndentationString;
_maximumDepth = other._maximumDepth;
_maximumFormattedLength = other._maximumFormattedLength;
_showDataType = other._showDataType;
_showInstanceName = other._showInstanceName;
while (_indentationLevel < other.IndentationLevel)
{
IncIndentationLevel(other.IsIndentationLevelOccupied(_indentationLevel + 1));
}
if (other._visitedInstances != null && other._visitedInstances.Count > 0)
{
var tempStack = new Stack <object>();
foreach (var obj in other._visitedInstances)
{
tempStack.Push(obj);
}
_visitedInstances = new Stack <object>();
while (tempStack.Count > 0)
{
_visitedInstances.Push(tempStack.Pop());
}
}
}
/// <summary>
/// Tries to append single white space if string builder doesn't end with space or new line character.
/// Use this method to separate successive items appended to string builder.
/// </summary>
/// <param name="formatter">Formatter which has requested character to be appended.</param>
/// <param name="sb">String builder to which whitespace is appended.</param>
/// <param name="success">
/// Indicates whether appending operations this far have been successful (true)
/// or some of the previous append operations has already failed (false). If false, appending will not be attempted.
/// </param>
/// <param name="maxLength">
/// Maximum number of characters allowed to the formatter. Formatting will fail (and return false)
/// if this number of characters is breached. Multi-lined formatters will ignore this parameter.
/// Negative value indicates that formatter has unlimited space available. On output contains remaining number of characters available.
/// </param>
/// <returns>
/// true if space has been successfully appended to <paramref name="sb" /> within given number of allowed characters
/// or there was no need to append space; otherwise false.
/// </returns>
public static bool TryAppendSpaceIfNeeded(VerboseFormatInfoBase formatter, StringBuilder sb, bool success, ref int maxLength)
{
if (success)
{
var originalLength = sb.Length;
var c = (sb.Length > 0 ? sb[sb.Length - 1] : '\0');
if (c != '\r' && c != '\n' && c != ' ' && c != '\t')
{
success = TryAppendChar(formatter, sb, ' ', success, ref maxLength);
}
if (!success)
{
sb.Length = originalLength;
}
}
return(success);
}
/// <summary>
/// Tries to append string to the string builder within given amount of characters allowed. Always succeeds in multi-lined formatters.
/// </summary>
/// <param name="formatter">Formatter which has requested character to be appended.</param>
/// <param name="sb">String builder to which string should be appended.</param>
/// <param name="s">String which should be appended.</param>
/// <param name="success">
/// Indicates whether appending operations this far have been successful (true)
/// or some of the previous append operations has already failed (false). If false, appending will not be attempted.
/// </param>
/// <param name="maxLength">
/// On input contains maximum number of characters that are allowed to be appended to the string builder.
/// On output indicates remaining character positions allowed before appending will fail.
/// </param>
/// <returns>
/// true if appending operation was successful, i.e. allowed number of characters
/// has not been breached; otherwise false.
/// </returns>
public static bool TryAppendString(VerboseFormatInfoBase formatter, StringBuilder sb, string s, bool success, ref int maxLength)
{
if (s == null)
{
s = string.Empty;
}
if (success && (formatter.IsMultiLinedFormat || maxLength < 0 || maxLength >= s.Length))
{
sb.Append(s);
if (maxLength > 0)
{
maxLength -= s.Length;
}
}
else
{
success = false;
}
return(success);
}
/// <summary>
/// Copy constructor which uses other instance to copy values that are common to all verbose format providers.
/// </summary>
/// <param name="other">Object from which common values will be copied.</param>
public CompactMatrixFormatInfo(VerboseFormatInfoBase other)
: base(other)
{
}
/// <summary>
/// Copy constructor. Used to copy only those property values that are common to all classes derived from VerboseFormatInfoBase.
/// </summary>
/// <param name="other">Instance from which contents is copied to new instance of this class.</param>
public VerboseFormatInfo(VerboseFormatInfoBase other)
: base(other)
{
}
/// <summary>
/// Copy constructor which uses other instance to copy internal values which are common to all verbose formatters.
/// </summary>
/// <param name="other">Instance from which values are copied that are common to all verbose formatters.</param>
public EnumerableFormatInfo(VerboseFormatInfoBase other)
: base(other)
{
}
/// <summary>
/// Copy constructor which creates new instance having same values of common properties as other instance.
/// </summary>
/// <param name="other">Instance from which values are taken for common properties.</param>
public DictionaryFormatInfo(VerboseFormatInfoBase other)
: base(other)
{
}
/// <summary>
/// Copy constructor which copies values common to all verbose format providers.
/// </summary>
/// <param name="other">Instance from which common values are copied.</param>
public GeneralFormatInfo(VerboseFormatInfoBase other)
: base(other)
{
}
