/// <summary>
/// Parses the standard output from executing a 'hg summary' command
/// and returns a <see cref="RepositorySummary"/>.
/// </summary>
/// <param name="standardOutput">
/// The standard output from a 'hg summary' command that is to be parsed.
/// </param>
/// <returns>
/// The resulting <see cref="RepositorySummary"/> from parsing <paramref name="standardOutput"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="standardOutput"/> is <c>null</c>.</para>
/// </exception>
public static RepositorySummary Parse(string standardOutput)
{
if (standardOutput == null)
throw new ArgumentNullException("standardOutput");
var parsers = new List<KeyValuePair<Regex, Action<RepositorySummary, string, Match>>>
{
new KeyValuePair<Regex, Action<RepositorySummary, string, Match>>(
new Regex(@"^parent:\s(?<revnum>-?\d+):[a-f0-9]+\s+.*$", RegexOptions.IgnoreCase),
ParseParents),
new KeyValuePair<Regex, Action<RepositorySummary, string, Match>>(
new Regex(@"^branch:\s(?<name>.*)$", RegexOptions.IgnoreCase),
ParseBranch),
new KeyValuePair<Regex, Action<RepositorySummary, string, Match>>(
new Regex(@"^update:\s((?<new>\d+)\snew changesets? \(update\))$", RegexOptions.IgnoreCase),
ParseUpdate),
new KeyValuePair<Regex, Action<RepositorySummary, string, Match>>(
new Regex(@"^commit:\s((?<modified>\d+) modified(, )?)?((?<unknown>\d+) unknown(, )?)?((?<unresolved>\d+) unresolved(, )?)?(?<inmerge> \(merge\))?( ?\(clean\))?$", RegexOptions.IgnoreCase),
ParseCommit)
};
var summary = new RepositorySummary { RawOutput = standardOutput };
foreach (string line in OutputParsingUtilities.SplitIntoLines(standardOutput))
{
foreach (var parser in parsers)
{
Match ma = parser.Key.Match(line);
if (!ma.Success)
continue;
parser.Value(summary, line, ma);
}
}
return summary;
}
/// <summary>
/// Parses the <c>commit: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseCommit(RepositorySummary summary, string line, Match match)
{
if (match.Groups["modified"].Success)
{
summary.NumberOfModifiedFiles = int.Parse(match.Groups["modified"].Value, CultureInfo.InvariantCulture);
}
if (match.Groups["unknown"].Success)
{
summary.NumberOfUnknownFiles = int.Parse(match.Groups["unknown"].Value, CultureInfo.InvariantCulture);
}
if (match.Groups["unresolved"].Success)
{
summary.NumberOfUnresolvedFiles = int.Parse(match.Groups["unresolved"].Value, CultureInfo.InvariantCulture);
}
summary.IsInMerge = match.Groups["inmerge"].Success;
}
/// <summary>
/// Parses the standard output from executing a 'hg summary' command
/// and returns a <see cref="RepositorySummary"/>.
/// </summary>
/// <param name="standardOutput">
/// The standard output from a 'hg summary' command that is to be parsed.
/// </param>
/// <returns>
/// The resulting <see cref="RepositorySummary"/> from parsing <paramref name="standardOutput"/>.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="standardOutput"/> is <c>null</c>.</para>
/// </exception>
public static RepositorySummary Parse(string standardOutput)
{
if (standardOutput == null)
{
throw new ArgumentNullException("standardOutput");
}
var parsers = new List <KeyValuePair <Regex, Action <RepositorySummary, string, Match> > >
{
new KeyValuePair <Regex, Action <RepositorySummary, string, Match> >(
new Regex(@"^parent:\s(?<revnum>-?\d+):[a-f0-9]+\s+.*$", RegexOptions.IgnoreCase),
ParseParents),
new KeyValuePair <Regex, Action <RepositorySummary, string, Match> >(
new Regex(@"^branch:\s(?<name>.*)$", RegexOptions.IgnoreCase),
ParseBranch),
new KeyValuePair <Regex, Action <RepositorySummary, string, Match> >(
new Regex(@"^update:\s((?<new>\d+)\snew changesets? \(update\))$", RegexOptions.IgnoreCase),
ParseUpdate),
new KeyValuePair <Regex, Action <RepositorySummary, string, Match> >(
new Regex(@"^commit:\s((?<modified>\d+) modified(, )?)?((?<unknown>\d+) unknown(, )?)?((?<unresolved>\d+) unresolved(, )?)?(?<inmerge> \(merge\))?( ?\(clean\))?$", RegexOptions.IgnoreCase),
ParseCommit)
};
var summary = new RepositorySummary {
RawOutput = standardOutput
};
foreach (string line in OutputParsingUtilities.SplitIntoLines(standardOutput))
{
foreach (var parser in parsers)
{
Match ma = parser.Key.Match(line);
if (!ma.Success)
{
continue;
}
parser.Value(summary, line, ma);
}
}
return(summary);
}
/// <summary>
/// Parses the <c>parent: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseParents(RepositorySummary summary, string line, Match match)
{
int revisionNumber = int.Parse(match.Groups["revnum"].Value, CultureInfo.InvariantCulture);
summary._ParentRevisionNumbers.Add(revisionNumber);
}
/// <summary>
/// Parses the <c>branch: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseBranch(RepositorySummary summary, string line, Match match)
{
summary.Branch = match.Groups["name"].Value;
}
/// <summary>
/// Parses the <c>commit: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseCommit(RepositorySummary summary, string line, Match match)
{
if (match.Groups["modified"].Success)
summary.NumberOfModifiedFiles = int.Parse(match.Groups["modified"].Value, CultureInfo.InvariantCulture);
if (match.Groups["unknown"].Success)
summary.NumberOfUnknownFiles = int.Parse(match.Groups["unknown"].Value, CultureInfo.InvariantCulture);
if (match.Groups["unresolved"].Success)
summary.NumberOfUnresolvedFiles = int.Parse(match.Groups["unresolved"].Value, CultureInfo.InvariantCulture);
summary.IsInMerge = match.Groups["inmerge"].Success;
}
/// <summary>
/// Parses the <c>update: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseUpdate(RepositorySummary summary, string line, Match match)
{
if (match.Groups["current"].Success)
summary.NumberOfNewChangesets = 0;
else if (match.Groups["new"].Success)
summary.NumberOfNewChangesets = int.Parse(match.Groups["new"].Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Parses the <c>branch: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseBranch(RepositorySummary summary, string line, Match match)
{
summary.Branch = match.Groups["name"].Value;
}
/// <summary>
/// Parses the <c>parent: </c> line from the summary command.
/// </summary>
/// <param name="summary">
/// The <see cref="RepositorySummary"/> instance to write the parsed information into.
/// </param>
/// <param name="line">
/// The line for which the parse method was called.
/// </param>
/// <param name="match">
/// The <see cref="Match"/> object resulting in matching up a regular expression with the line.
/// </param>
private static void ParseParents(RepositorySummary summary, string line, Match match)
{
int revisionNumber = int.Parse(match.Groups["revnum"].Value, CultureInfo.InvariantCulture);
summary._ParentRevisionNumbers.Add(revisionNumber);
}
