private IsFormatApplicable ( |
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dataType | Data type agianst which this format provider is tested. | |
리턴 | bool |
/// <summary> /// Converts the value of a specified object to an equivalent string representation using /// specified format and culture-specific formatting information. /// </summary> /// <param name="sb">String builder to which formatted string should be appended.</param> /// <param name="format">A format string containing formatting specifications.</param> /// <param name="arg">An object to format.</param> /// <param name="formatProvider">An object that supplies format information about the current instance.</param> /// <param name="maxLength"> /// Maximum number of characters allowed to the formatter. Formatting should fail (and return false) /// if this number of characters is breached. Multi-lined formatters should ignore this parameter. /// Negative value indicates that formatter has unlimited space available. On output contains remaining number of characters available. /// </param> /// <returns> /// true if representation of <paramref name="arg" /> has been successfully appended to <paramref name="sb" /> /// within given number of allowed characters; otherwise false. /// </returns> internal override bool Format(StringBuilder sb, string format, object arg, IFormatProvider formatProvider, ref int maxLength) { var success = true; var originalLength = sb.Length; var formatters = new List <VerboseFormatInfoBase>(); var singleLinedFormat = SingleLinedFormat; if (arg != null || InstanceDataType != null) { var type = GetInstanceType(arg); var sfi = new ScalarFormatInfo(this); sfi.MaximumFormattedLength = maxLength; if (sfi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedSfi = new ScalarFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedSfi); singleLinedSfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedSfi); } formatters.Add(sfi); } if (formatters.Count == 0) { var dfi = new DictionaryFormatInfo(this); dfi.MaximumFormattedLength = maxLength; if (dfi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedDfi = new DictionaryFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedDfi); singleLinedDfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedDfi); } formatters.Add(dfi); } } if (formatters.Count == 0) { var cmfi = new CompactMatrixFormatInfo(this); cmfi.MaximumFormattedLength = maxLength; if (cmfi.IsFormatApplicable(type)) { //if (IsMultiLinedFormat) // Uncomment these lines to enable inlining compactly presented matrices; that operation is not suggested //{ // CompactMatrixFormatInfo singleLinedCmfi = new CompactMatrixFormatInfo(this); // FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCmfi); // singleLinedCmfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); // formatters.Add(singleLinedCmfi); //} formatters.Add(cmfi); } } if (formatters.Count == 0) { var cafi = new CompactArrayFormatInfo(this); cafi.MaximumFormattedLength = maxLength; if (cafi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedCafi = new CompactArrayFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCafi); singleLinedCafi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedCafi); } formatters.Add(cafi); } } if (formatters.Count == 0) { var afi = new ArrayFormatInfo(this); afi.MaximumFormattedLength = maxLength; if (afi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedAfi = new ArrayFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedAfi); singleLinedAfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedAfi); } formatters.Add(afi); } } if (formatters.Count == 0) { var efi = new EnumerableFormatInfo(this); efi.MaximumFormattedLength = maxLength; if (efi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedEfi = new EnumerableFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedEfi); singleLinedEfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedEfi); } formatters.Add(efi); } } if (formatters.Count == 0) { if (IsMultiLinedFormat) { var singleLinedGfi = new GeneralFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedGfi); singleLinedGfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedGfi); } var gfi = new GeneralFormatInfo(this); gfi.MaximumFormattedLength = maxLength; formatters.Add(gfi); } } if (formatters.Count > 0) { success = success && FormatInfoUtils.BestTryFormat(sb, format, arg, formatters, ref maxLength); } if (!success) { sb.Length = originalLength; } return(success); }
/// <summary> /// Converts the value of a specified object to an equivalent string representation using /// specified format and culture-specific formatting information. /// </summary> /// <param name="sb">String builder to which formatted string should be appended.</param> /// <param name="format">A format string containing formatting specifications.</param> /// <param name="arg">An object to format.</param> /// <param name="formatProvider">An object that supplies format information about the current instance.</param> /// <param name="maxLength"> /// Maximum number of characters allowed to the formatter. Formatting should fail (and return false) /// if this number of characters is breached. Multi-lined formatters should ignore this parameter. /// Negative value indicates that formatter has unlimited space available. On output contains remaining number of characters available. /// </param> /// <returns> /// true if representation of <paramref name="arg" /> has been successfully appended to <paramref name="sb" /> /// within given number of allowed characters; otherwise false. /// </returns> internal override bool Format(StringBuilder sb, string format, object arg, IFormatProvider formatProvider, ref int maxLength) { var success = true; var originalLength = sb.Length; var formatters = new List<VerboseFormatInfoBase>(); var singleLinedFormat = SingleLinedFormat; if (arg != null || InstanceDataType != null) { var type = GetInstanceType(arg); var sfi = new ScalarFormatInfo(this); sfi.MaximumFormattedLength = maxLength; if (sfi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedSfi = new ScalarFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedSfi); singleLinedSfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedSfi); } formatters.Add(sfi); } if (formatters.Count == 0) { var dfi = new DictionaryFormatInfo(this); dfi.MaximumFormattedLength = maxLength; if (dfi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedDfi = new DictionaryFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedDfi); singleLinedDfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedDfi); } formatters.Add(dfi); } } if (formatters.Count == 0) { var cmfi = new CompactMatrixFormatInfo(this); cmfi.MaximumFormattedLength = maxLength; if (cmfi.IsFormatApplicable(type)) { //if (IsMultiLinedFormat) // Uncomment these lines to enable inlining compactly presented matrices; that operation is not suggested //{ // CompactMatrixFormatInfo singleLinedCmfi = new CompactMatrixFormatInfo(this); // FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCmfi); // singleLinedCmfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); // formatters.Add(singleLinedCmfi); //} formatters.Add(cmfi); } } if (formatters.Count == 0) { var cafi = new CompactArrayFormatInfo(this); cafi.MaximumFormattedLength = maxLength; if (cafi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedCafi = new CompactArrayFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedCafi); singleLinedCafi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedCafi); } formatters.Add(cafi); } } if (formatters.Count == 0) { var afi = new ArrayFormatInfo(this); afi.MaximumFormattedLength = maxLength; if (afi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedAfi = new ArrayFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedAfi); singleLinedAfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedAfi); } formatters.Add(afi); } } if (formatters.Count == 0) { var efi = new EnumerableFormatInfo(this); efi.MaximumFormattedLength = maxLength; if (efi.IsFormatApplicable(type)) { if (IsMultiLinedFormat) { var singleLinedEfi = new EnumerableFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedEfi); singleLinedEfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedEfi); } formatters.Add(efi); } } if (formatters.Count == 0) { if (IsMultiLinedFormat) { var singleLinedGfi = new GeneralFormatInfo(this); FormatInfoUtils.CopyFormatting(singleLinedFormat, singleLinedGfi); singleLinedGfi.CombineMaximumFormattedLength(FormatInfoUtils.DefaultMaxFormattedLength); formatters.Add(singleLinedGfi); } var gfi = new GeneralFormatInfo(this); gfi.MaximumFormattedLength = maxLength; formatters.Add(gfi); } } if (formatters.Count > 0) { success = success && FormatInfoUtils.BestTryFormat(sb, format, arg, formatters, ref maxLength); } if (!success) { sb.Length = originalLength; } return success; }