private bool TestForParagraph()
{
// both paragraphs and footer are separated from previous paragraphs and the header using a blank line.
// If there is at least 1 blank line followed by a non-blank line,
// the line could be either the first line of the next paragraph of the first footer.
// To determine if we reached the end of the body, test if the next line is
// When 'IgnoreDuplicateBlankLines' is set, skip all consecutive blank lines
// otherwise, expect only a single blank line
if (m_Mode.HasFlag(ParserMode.IgnoreDuplicateBlankLines))
{
return
(TestTokens(LineTokenKind.Blank, out var blanklineCount) && // check for at least one blank line
TestToken(LineTokenKind.Line, blanklineCount) && // check if blank lines are followed by a non-blank line(look ahead the number of blank lines matched)
!FooterParser.IsFooter(Peek(blanklineCount))); // check if the line is the start of a footer
}
else
{
return
(TestToken(LineTokenKind.Blank) &&
TestToken(LineTokenKind.Line, 1) &&
!FooterParser.IsFooter(Peek(1)));
}
}
private IReadOnlyList <CommitMessageFooter> ParseFooters()
{
// Footers are separated by the message body using a blank line.
// There must be at least one blank line,
// if the 'IgnoreDuplicateBlankLines' option is set,
// multiple consecutive blank lines are treated the same as a single blank line.
if (m_Mode.HasFlag(ParserMode.IgnoreDuplicateBlankLines))
{
MatchTokens(LineTokenKind.Blank, 1);
}
else
{
MatchToken(LineTokenKind.Blank);
}
var footers = new List <CommitMessageFooter>();
// 'IgnoreTrailingBlankLines' is set, there might not be a parse-able footer present in the message
// an we will only encounter blank lines, so it is not an error, if no non-blank line is found.
// However if 'IgnoreTrailingBlankLines' is *not* set, there must be a at lease one footer after the blank line
if (m_Mode.HasFlag(ParserMode.IgnoreTrailingBlankLines))
{
while (TestAndMatchToken(LineTokenKind.Line, out var currentLine))
{
footers.Add(FooterParser.Parse(currentLine));
// ignore blank lines between footers when option is set
if (m_Mode.HasFlag(ParserMode.AllowBlankLinesBetweenFooters))
{
MatchTokens(LineTokenKind.Blank, 0);
}
}
}
else if (!TestToken(LineTokenKind.Eof))
{
do
{
var currentLine = MatchToken(LineTokenKind.Line);
footers.Add(FooterParser.Parse(currentLine));
// ignore blank lines between footers when option is set
if (m_Mode.HasFlag(ParserMode.AllowBlankLinesBetweenFooters))
{
MatchTokens(LineTokenKind.Blank, 0);
}
} while (TestToken(LineTokenKind.Line));
}
return(footers);
}