/// <summary>
/// Note: you can call this more than once, in order to change the search language id
/// </summary>
public virtual void LoadIndex(string searchLanguageId)
{
if (_imageIndexReader == null)
{
LoadLanguageChoices();
}
_indexOfWordsToRelativePath = new Dictionary <string, List <string> >();
_indexOfRelativeFilePathToKeywordsCsv = new Dictionary <string, string>();
using (var f = File.OpenText(FindIndexFileInFolder(FolderPath)))
{
//skip header line, which was already read to make the index layout above
f.ReadLine();
while (!f.EndOfStream)
{
var line = f.ReadLine();
var fields = line.Split(new char[] { '\t' });
var relativePath = _imageIndexReader.GetImageRelativePath(fields);
var csvOfKeywords = _imageIndexReader.GetCSVOfKeywordsOrEmpty(searchLanguageId, fields);
if (String.IsNullOrWhiteSpace(csvOfKeywords))
{
continue;
}
lock (_padlock)
_indexOfRelativeFilePathToKeywordsCsv.Add(relativePath, csvOfKeywords.Replace(",", ", "));
var keys = csvOfKeywords.SplitTrimmed(',');
foreach (var key in keys)
{
lock (_padlock)
_indexOfWordsToRelativePath.GetOrCreate(key.ToLowerInvariant()).Add(relativePath);
}
}
}
}
/// <summary>
/// Note: you can call this more than once, in order to change the search language id
/// </summary>
public virtual void LoadIndex(string searchLanguageId)
{
if (_imageIndexReader == null)
{
LoadLanguageChoices();
}
_indexOfWordsToRelativePath = new Dictionary <string, List <string> >();
_indexOfRelativeFilePathToKeywordsCsv = new Dictionary <string, string>();
var indexPath = FindIndexFileInFolder(FolderPath);
using (var f = File.OpenText(indexPath))
{
//skip header line, which was already read to make the index layout above
f.ReadLine();
while (!f.EndOfStream)
{
var line = f.ReadLine();
var fields = line.Split(new char[] { '\t' });
var relativePath = _imageIndexReader.GetImageRelativePath(fields);
var csvOfKeywords = _imageIndexReader.GetCSVOfKeywordsOrEmpty(searchLanguageId, fields);
if (String.IsNullOrWhiteSpace(csvOfKeywords))
{
continue;
}
lock (_padlock)
{
try
{
_indexOfRelativeFilePathToKeywordsCsv.Add(relativePath, csvOfKeywords.Replace(",", ", "));
}
catch (System.ArgumentException)
{
if (_indexOfRelativeFilePathToKeywordsCsv.ContainsKey(relativePath))
{
throw new ApplicationException(
$"{indexPath} has more than one row describing a file name '{relativePath}'. This is not allowed. You can use 'conditional formatting' with the condition 'duplicate' in a spreadsheet program to find duplicates.");
}
else
{
throw;
}
}
}
var keys = csvOfKeywords.SplitTrimmed(',');
foreach (var key in keys)
{
lock (_padlock)
_indexOfWordsToRelativePath.GetOrCreate(key.ToLowerInvariant()).Add(relativePath);
}
}
}
}