void ParseHeader(POSingularEntry entry)
{
if (!_flags.HasFlag(Flags.SkipInfoHeaders))
{
_catalog.Headers = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
}
_catalog.HeaderComments = entry.Comments;
if (string.IsNullOrEmpty(entry.Translation))
{
return;
}
foreach (var line in entry
.Translation.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries)
.Select(s => s.Trim()))
{
var index = line.IndexOf(':');
if (index <= 0)
{
AddWarning(DiagnosticCodes.MalformedHeaderItem, line);
continue;
}
var key = line.Substring(0, index).TrimEnd();
var value = line.Remove(0, index + 1).TrimStart();
if (_flags.HasFlag(Flags.ReadContentTypeHeaderOnly) &&
!string.Equals(key, "content-type", StringComparison.OrdinalIgnoreCase))
{
continue;
}
switch (key.ToLowerInvariant())
{
case "content-type":
ParseEncoding(line, value);
break;
case "language":
ParseLanguage(line, value);
break;
case "plural-forms":
ParsePluralForms(line, value);
break;
}
if (!_flags.HasFlag(Flags.SkipInfoHeaders))
{
if (_catalog.Headers.TryGetValue(key, out string existingValue))
{
AddWarning(DiagnosticCodes.DuplicateHeaderKey, key);
}
_catalog.Headers[key] = value;
}
}
}
public DebugView(POSingularEntry entry)
{
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
_entry = entry;
}
private bool TryReadEntry(bool allowEmptyId, out IPOEntry result)
{
if (_line == null)
{
result = null;
return(false);
}
var entryLocation = new TextLocation(_lineIndex, _columnIndex);
List <POComment> comments = _commentBuffer != null?ParseComments() : null;
Dictionary <int, string> translations = null;
string id = null, pluralId = null, contextId = null;
IPOEntry entry = null;
EntryTokens expectedTokens = EntryTokens.Id | EntryTokens.PluralId | EntryTokens.ContextId;
do
{
EntryTokens token = DetectEntryToken(out int tokenLength) & expectedTokens;
if (token == EntryTokens.None)
{
if (!(expectedTokens == EntryTokens.Translation && entry is POPluralEntry))
{
AddError(DiagnosticCodes.UnexpectedToken, new TextLocation(_lineIndex, _columnIndex));
result = null;
return(false);
}
else
{
break;
}
}
_columnIndex += tokenLength;
switch (token)
{
case EntryTokens.Id:
_columnIndex = FindNextTokenInLine(requireWhiteSpace: true);
if (_columnIndex < 0 || !TryReadString(out id))
{
result = null;
return(false);
}
expectedTokens &= ~EntryTokens.Id;
expectedTokens |= EntryTokens.Translation;
break;
case EntryTokens.PluralId:
_columnIndex = FindNextTokenInLine(requireWhiteSpace: true);
if (_columnIndex < 0 || !TryReadString(out pluralId))
{
result = null;
return(false);
}
expectedTokens &= ~EntryTokens.PluralId;
break;
case EntryTokens.ContextId:
_columnIndex = FindNextTokenInLine(requireWhiteSpace: true);
if (_columnIndex < 0 || !TryReadString(out contextId))
{
result = null;
return(false);
}
expectedTokens &= ~EntryTokens.ContextId;
break;
case EntryTokens.Translation:
var originalColumnIndex = _columnIndex;
TryReadPluralIndex(out int?pluralIndex);
_columnIndex = FindNextTokenInLine(requireWhiteSpace: true);
if (_columnIndex < 0 || !TryReadString(out string value))
{
result = null;
return(false);
}
if (!allowEmptyId && entry == null && id == string.Empty)
{
AddError(Resources.InvalidEntryKey, entryLocation);
result = null;
return(false);
}
// plural
if (pluralId != null)
{
if (pluralIndex != null)
{
if (pluralIndex < 0 || pluralIndex >= _catalog.PluralFormCount)
{
AddWarning(DiagnosticCodes.InvalidPluralIndex, new TextLocation(_lineIndex, originalColumnIndex));
break;
}
}
else
{
AddWarning(DiagnosticCodes.MissingPluralIndex, new TextLocation(_lineIndex, originalColumnIndex));
pluralIndex = 0;
}
if (entry == null)
{
entry = new POPluralEntry(new POKey(id, pluralId, contextId))
{
Comments = comments,
};
translations = new Dictionary <int, string>();
}
if (translations.ContainsKey(pluralIndex.Value))
{
AddWarning(DiagnosticCodes.DuplicatePluralForm, entryLocation, pluralIndex.Value);
}
translations[pluralIndex.Value] = value;
expectedTokens = EntryTokens.Translation;
}
// singular
else
{
if (pluralIndex != null)
{
if (pluralIndex != 0)
{
AddError(DiagnosticCodes.InvalidPluralIndex, new TextLocation(_lineIndex, originalColumnIndex));
break;
}
else
{
AddWarning(DiagnosticCodes.UnnecessaryPluralIndex, new TextLocation(_lineIndex, originalColumnIndex));
}
}
entry = new POSingularEntry(new POKey(id, null, contextId))
{
Comments = comments,
Translation = value
};
expectedTokens = EntryTokens.None;
}
break;
}
SeekNextToken();
}while (_line != null && expectedTokens != EntryTokens.None);
if (entry is POPluralEntry pluralEntry)
{
var n = _catalog.PluralFormCount;
for (var i = 0; i < n; i++)
{
if (translations.TryGetValue(i, out string value))
{
pluralEntry.Add(value);
}
else
{
pluralEntry.Add(null);
AddWarning(DiagnosticCodes.MissingPluralForm, entryLocation, i);
}
}
}
if (entry == null)
{
AddError(DiagnosticCodes.IncompleteEntry, entryLocation);
result = null;
return(false);
}
result = entry;
return(true);
}