/// <summary>
/// Returns a StandardCodeSequence from a recursively collapsed or flatted StandardValidTerm.
/// </summary>
/// <param name="standardValidTerm"></param>
/// <returns></returns>
public static StandardCodeSequence ToStandardCodeSequence(StandardValidTerm standardValidTerm)
{
const int codeValueLength = 16;
const int codeMeaningLength = 64;
var standardCodeSequence = CollapseStandardValidTerm(standardValidTerm);
var codeValue = standardCodeSequence.CodeValue;
var codeMeaning = standardCodeSequence.CodeMeaning;
var codingSchemeDesignator = standardCodeSequence.CodingSchemeDesignator;
var codingSchemeVersion = standardCodeSequence.CodingSchemeVersion;
if (standardValidTerm.StandardValidTerms.Count > 0)
{
codeValue = ToHex(codeValue);
if (codeValue.Length > codeValueLength)
{
codeValue = codeValue.Substring(0, codeValueLength);
}
if (codeMeaning.Length > codeMeaningLength)
{
codeMeaning = codeMeaning.Substring(0, codeMeaningLength);
}
}
return(new StandardCodeSequence(
codeValue,
codeMeaning,
codingSchemeDesignator,
codingSchemeVersion));
}
/// <summary>
/// Recursively flattens a hierarchy of valid terms into a single StandardCodeSequence
/// by concatenating the codeValue and codeMeaning fields.
/// </summary>
/// <param name="standardValidTerm"></param>
/// <returns></returns>
private static StandardCodeSequence CollapseStandardValidTerm(StandardValidTerm standardValidTerm)
{
var codeValue = standardValidTerm.StandardCodeSequence.CodeValue;
var codingSchemeDesignator = standardValidTerm.StandardCodeSequence.CodingSchemeDesignator;
var codingSchemeVersion = standardValidTerm.StandardCodeSequence.CodingSchemeVersion;
var codeMeaning = standardValidTerm.StandardCodeSequence.CodeMeaning;
const string delimiter = ", ";
if (standardValidTerm.StandardValidTerms.Count > 0)
{
codingSchemeDesignator = COLLAPSED_VALID_TERM_CODING_SCHEME_DESIGNATOR;
}
foreach (var childStandardValidTerm in standardValidTerm.StandardValidTerms)
{
var standardCodeSequence = CollapseStandardValidTerm(childStandardValidTerm);
if (!string.IsNullOrEmpty(standardCodeSequence.CodeValue))
{
codeValue += delimiter + standardCodeSequence.CodeValue;
}
if (!string.IsNullOrEmpty(standardCodeSequence.CodeMeaning))
{
codeMeaning += delimiter + standardCodeSequence.CodeMeaning;
}
}
return(new StandardCodeSequence(codeValue, codeMeaning, codingSchemeDesignator, codingSchemeVersion));
}
public override bool Equals(object obj)
{
if (obj == null || !(obj is StandardValidTerm))
{
return(false);
}
StandardValidTerm validTerm = (StandardValidTerm)obj;
return((_standardCodeSequence == null
? validTerm._standardCodeSequence == null
: _standardCodeSequence.Equals(validTerm._standardCodeSequence)) &&
(_standardValidTerms == null
? validTerm._standardValidTerms == null
: CollectionUtils.Equal <StandardValidTerm>(_standardValidTerms, validTerm._standardValidTerms, true)));
}
/// <summary>
/// Recursevely traverses given <paramref name="validTerm"/> and appends Code Meanings to the given <paramref name="sb"/>.
/// This effectively flattens <paramref name="validTerm"/> to a string.
/// </summary>
/// <param name="validTerm">Standard Valid Term to traverse</param>
/// <param name="sb">String Builder taht receives the values</param>
public static StringBuilder ToStringBuilder(StandardValidTerm validTerm, StringBuilder sb)
{
if (validTerm == null || sb == null)
{
return(sb);
}
if (sb.Length > 0)
{
sb.Append(" ");
}
sb.Append(validTerm.StandardCodeSequence.CodeMeaning);
foreach (var standardValidTerm in validTerm.StandardValidTerms)
{
ToStringBuilder(standardValidTerm, sb);
}
return(sb);
}
/// <summary>
/// Recursively flattens a hierarchy of valid terms into a single StandardCodeSequence
/// by concatenating the codeValue and codeMeaning fields.
/// </summary>
/// <param name="standardValidTerm"></param>
/// <returns></returns>
private static StandardCodeSequence CollapseStandardValidTerm(StandardValidTerm standardValidTerm)
{
var codeValue = standardValidTerm.StandardCodeSequence.CodeValue;
var codingSchemeDesignator = standardValidTerm.StandardCodeSequence.CodingSchemeDesignator;
var codingSchemeVersion = standardValidTerm.StandardCodeSequence.CodingSchemeVersion;
var codeMeaning = standardValidTerm.StandardCodeSequence.CodeMeaning;
const string delimiter = ", ";
if (standardValidTerm.StandardValidTerms.Count > 0)
codingSchemeDesignator = COLLAPSED_VALID_TERM_CODING_SCHEME_DESIGNATOR;
foreach (var childStandardValidTerm in standardValidTerm.StandardValidTerms)
{
var standardCodeSequence = CollapseStandardValidTerm(childStandardValidTerm);
if (!string.IsNullOrEmpty(standardCodeSequence.CodeValue))
codeValue += delimiter + standardCodeSequence.CodeValue;
if (!string.IsNullOrEmpty(standardCodeSequence.CodeMeaning))
codeMeaning += delimiter + standardCodeSequence.CodeMeaning;
}
return new StandardCodeSequence(codeValue, codeMeaning, codingSchemeDesignator, codingSchemeVersion);
}
/// <summary>
/// Recursevely traverses given <paramref name="validTerm"/> and appends Code Meanings to the given <paramref name="sb"/>.
/// This effectively flattens <paramref name="validTerm"/> to a string.
/// </summary>
/// <param name="validTerm">Standard Valid Term to traverse</param>
/// <param name="sb">String Builder taht receives the values</param>
public static StringBuilder ToStringBuilder(StandardValidTerm validTerm, StringBuilder sb)
{
if (validTerm == null || sb == null)
return sb;
if (sb.Length > 0)
sb.Append(" ");
sb.Append(validTerm.StandardCodeSequence.CodeMeaning);
foreach (var standardValidTerm in validTerm.StandardValidTerms)
ToStringBuilder(standardValidTerm, sb);
return sb;
}
/// <summary>
/// Returns a StandardCodeSequence from a recursively collapsed or flatted StandardValidTerm.
/// </summary>
/// <param name="standardValidTerm"></param>
/// <returns></returns>
public static StandardCodeSequence ToStandardCodeSequence(StandardValidTerm standardValidTerm)
{
const int codeValueLength = 16;
const int codeMeaningLength = 64;
var standardCodeSequence = CollapseStandardValidTerm(standardValidTerm);
var codeValue = standardCodeSequence.CodeValue;
var codeMeaning = standardCodeSequence.CodeMeaning;
var codingSchemeDesignator = standardCodeSequence.CodingSchemeDesignator;
var codingSchemeVersion = standardCodeSequence.CodingSchemeVersion;
if (standardValidTerm.StandardValidTerms.Count > 0)
{
codeValue = ToHex(codeValue);
if (codeValue.Length > codeValueLength)
codeValue = codeValue.Substring(0, codeValueLength);
if (codeMeaning.Length > codeMeaningLength)
codeMeaning = codeMeaning.Substring(0, codeMeaningLength);
}
return new StandardCodeSequence(
codeValue,
codeMeaning,
codingSchemeDesignator,
codingSchemeVersion);
}
