/// <summary>
/// Given a collection of strings from a raw NVP file, organizes them into a collection of NVP Records.
/// This function empties the list supplied to it.
/// </summary>
public static List <NvpRecord> CreateNvpRecords(List <String> dataTextLines)
{
List <NvpRecord> nvpRecords = new List <NvpRecord>();
Int32 currentLineIndex = 1;
while (dataTextLines.Count > 0)
{
Int32 endLineIndex;
List <String> currentBundle;
CreateLineBundle(dataTextLines, currentLineIndex, out endLineIndex, out currentBundle);
if (currentBundle.Count > 0) // If the bundle length is 0, the file probably contained only blank lines and comments.
{
NvpRecord record = CreateNvpRecordFromBundle(currentBundle, currentLineIndex, endLineIndex);
nvpRecords.Add(record);
currentLineIndex = record.LineRangeEnd + 1;
}
}
return(nvpRecords);
}
private static NvpRecord CreateNvpRecordFromBundle(List <String> bundle, Int32 startLine, Int32 endLine)
{
NvpRecord record = new NvpRecord();
record.LineRangeStart = startLine;
record.LineRangeEnd = endLine;
if (bundle.Count > 0)
{
// First, get the record type.
Int32 recordTypeIndex = bundle[0].IndexOf(NvpRecordStartSymbol);
record.RecordType = bundle[0].Substring(0, recordTypeIndex);
bundle[0] = bundle[0].Substring(recordTypeIndex); // Strip away the record type part of the record.
while (bundle.Count > 0)
{
// At this point, every line either starts with "|" or ">" (for record start, or continuation)
String currentLine = bundle[0].Substring(1); // Grab all but the first character.
String[] nvpSet = currentLine.Split(NvpPairSeparator);
foreach (String nvp in nvpSet)
{
if (nvp.Length > 0) // Blank lines after a | or > are allowed, but basically ignored.
{
String[] nvpSplit = nvp.Split(NameValueDividerSymbol);
String nvpKey = nvpSplit[0];
String nvpValue = nvpSplit[1];
if (record.NameValuePairs.ContainsKey(nvpKey))
{
String currentValue = record.NameValuePairs[nvpKey];
record.NameValuePairs[nvpKey] = String.Concat(currentValue, NvpDupeKeyValueSeparator, nvpValue);
}
else
{
record.NameValuePairs.Add(nvpKey, nvpValue);
}
}
}
bundle.RemoveAt(0); // Remove the first line of the bundle.
}
}
return(record);
}
