private void Parse(GitCmdTokens tokens)
{
m_exe = tokens.Dequeue(GitCmdTokenType.Literal).Value;
var token = tokens.Dequeue();
if (token.Type == GitCmdTokenType.EndOfStram)
{
return;
}
if (token.Type != GitCmdTokenType.Literal)
{
tokens.ParseError();
}
m_name = token.Value;
while (tokens.Any())
{
token = tokens.Dequeue();
if (token.Type == GitCmdTokenType.Dash)
{
ParseShortSwitch(tokens);
}
else if (token.Type == GitCmdTokenType.DoubleDash)
{
ParseLongSwitch(tokens);
}
else if (token.Type == GitCmdTokenType.Literal)
{
m_arguments.Add(token.Value);
}
else if (token.Type == GitCmdTokenType.EndOfStram)
{
break;
}
else
{
tokens.ParseError();
}
}
}
private static IEnumerable <GitCmdToken> GenerateTokens(string commandLine)
{
var match = Regex.Match(commandLine, TokenPattern);
if (!match.Success)
{
throw new GitCmdException(
$"Failed to parse command line '{commandLine}' into tokens using pattern: {TokenPattern}");
}
var tokens = new GitCmdTokens(
from pair in TokenPatterns
let token = pair.Key
from Capture capture in match.Groups[$"{token}"].Captures
orderby capture.Index
select new GitCmdToken(token, capture.Value, capture.Index)
);
// unescape quoted string into literal
while (tokens.Any())
{
var token = tokens.Dequeue();
var type = token.Type;
if (type == GitCmdTokenType.WhiteSpace)
{
continue;
}
if (type == GitCmdTokenType.Quote ||
type == GitCmdTokenType.Backslash ||
type == GitCmdTokenType.Literal)
{
yield return(ParseLiteral(tokens));
}
else
{
yield return(token);
}
}
}