public static QualityRules Parse(string contents)
{
QualityRules rules = new QualityRules();
var lines = contents.Replace("\r", "").Split('\n');
foreach (var line in lines)
{
if (line.StartsWith("* "))
{
// Attempt to interpret as a rule
string key = line.Substring(2);
string value = null;
if (key.Contains(":"))
{
value = key.Substring(key.IndexOf(":") + 1).Trim().ToLower();
key = key.Remove(key.IndexOf(":"));
}
key = key.Trim().ToLower();
switch (key)
{
case "line endings":
if (value == null) break;
if (value == "crlf") rules.LineEndings = LineEndingStyle.CRLF;
if (value == "lf") rules.LineEndings = LineEndingStyle.LF;
break;
case "indentation":
if (value == null) break;
if (value == "tabs") rules.Indentation = IndentationStyle.Tabs;
int spaces;
if (value.EndsWith("spaces") && int.TryParse(
value.Remove(value.IndexOf(' ')), out spaces))
{
rules.Indentation = IndentationStyle.Spaces;
rules.NumberOfSpaces = spaces;
}
break;
case "trim trailing lines":
rules.TrimTrailingLines = true;
break;
case "trim trailing whitespace":
rules.TrimTrailingWhitespace = true;
break;
}
}
}
return rules;
}
public static QualityRules Parse(string contents)
{
QualityRules rules = new QualityRules();
var lines = contents.Replace("\r", "").Split('\n');
foreach (var line in lines)
{
if (line.StartsWith("* "))
{
// Attempt to interpret as a rule
string key = line.Substring(2);
string value = null;
if (key.Contains(":"))
{
value = key.Substring(key.IndexOf(":") + 1).Trim().ToLower();
key = key.Remove(key.IndexOf(":"));
}
key = key.Trim().ToLower();
switch (key)
{
case "line endings":
if (value == null)
{
break;
}
if (value == "crlf")
{
rules.LineEndings = LineEndingStyle.CRLF;
}
if (value == "lf")
{
rules.LineEndings = LineEndingStyle.LF;
}
break;
case "indentation":
if (value == null)
{
break;
}
if (value == "tabs")
{
rules.Indentation = IndentationStyle.Tabs;
}
int spaces;
if (value.EndsWith("spaces") && int.TryParse(
value.Remove(value.IndexOf(' ')), out spaces))
{
rules.Indentation = IndentationStyle.Spaces;
rules.NumberOfSpaces = spaces;
}
break;
case "trim trailing lines":
rules.TrimTrailingLines = true;
break;
case "trim trailing whitespace":
rules.TrimTrailingWhitespace = true;
break;
}
}
}
return(rules);
}
public static QualityRules FromFile(string file)
{
var text = File.ReadAllText(file);
return(QualityRules.Parse(text));
}
public static void Main(string[] args)
{
string directory = null;
string analysis = null;
string summary = null;
string rules = null;
for (int i = 0; i < args.Length; i++)
{
string arg = args[i];
if (arg.StartsWith("-"))
{
switch (arg)
{
case "--analysis":
analysis = args[++i];
break;
case "--summary":
summary = args[++i];
break;
case "--rules":
rules = args[++i];
break;
default:
Console.WriteLine("Invalid parameters. Use QualityEnforcer.exe --help for more information.");
return;
}
}
else
{
if (directory == null)
{
directory = arg;
}
else
{
Console.WriteLine("Invalid parameters. Use QualityEnforcer.exe --help for more information.");
return;
}
}
}
if (directory == null)
{
Console.WriteLine("Invalid parameters. Use QualityEnforcer.exe --help for more information.");
return;
}
var project = Enforcer.AnalyzeDirectory(directory);
if (analysis != null)
{
File.WriteAllText(analysis, GenerateAnalysis(project));
return;
}
else
{
// Enforce style
QualityRules qualityRules = new QualityRules();
if (rules != null)
{
qualityRules = QualityRules.FromFile(rules);
}
else if (File.Exists(Path.Combine(directory, "CONTRIBUTING.md")))
{
qualityRules = QualityRules.FromFile(Path.Combine(directory, "CONTRIBUTING.md"));
}
var changes = Enforcer.EnforceQuality(project, qualityRules);
if (summary != null)
{
File.WriteAllText(summary, GenerateSummary(project, changes));
}
}
}
public static ChangeSummary EnforceQuality(Project project, QualityRules rules)
{
ChangeSummary summary = new ChangeSummary();
string indent, lineEnding;
// Set up indent and line ending stles
if (rules.Indentation == IndentationStyle.Detect)
{
if (project.Indentation == IndentationStyle.Spaces)
{
indent = "";
int spaces = project.NumberOfSpaces;
if (rules.NumberOfSpaces != null)
{
spaces = rules.NumberOfSpaces.Value;
}
for (int i = 0; i < spaces; i++)
{
indent += " ";
}
}
else
{
indent = "\t";
}
}
else if (rules.Indentation == IndentationStyle.Spaces)
{
indent = "";
for (int i = 0; i < rules.NumberOfSpaces; i++)
{
indent += " ";
}
project.Indentation = IndentationStyle.Spaces;
}
else
{
indent = "\t";
project.Indentation = IndentationStyle.Tabs;
}
if (rules.LineEndings == LineEndingStyle.Detect)
{
if (project.LineEndings == LineEndingStyle.CRLF)
{
lineEnding = "\r\n";
}
else
{
lineEnding = "\n";
}
}
else if (rules.LineEndings == LineEndingStyle.CRLF)
{
lineEnding = "\r\n";
project.LineEndings = LineEndingStyle.CRLF;
}
else
{
lineEnding = "\n";
project.LineEndings = LineEndingStyle.LF;
}
// Apply changes
foreach (var file in project.CodeFiles)
{
var map = FileMap.GenerateMap(file);
// Detect changes
if (map.LFUsed != map.CRLFUsed && summary.LineEndingStyleChange == LineEndingStyleChange.None)
{
if (project.LineEndings == LineEndingStyle.CRLF)
{
summary.LineEndingStyleChange = LineEndingStyleChange.ToCRLF;
}
else
{
summary.LineEndingStyleChange = LineEndingStyleChange.ToLF;
}
}
if (map.TabsUsed != map.SpacesUsed && summary.IndentationStyleChange == IndentationStyleChange.None)
{
if (project.Indentation == IndentationStyle.Spaces)
{
summary.IndentationStyleChange = IndentationStyleChange.ToSpaces;
}
else
{
summary.IndentationStyleChange = IndentationStyleChange.ToTabs;
}
}
// Create new file based on old
File.Delete(file);
var writer = new StreamWriter(file);
int end = map.Lines.Length;
if (rules.TrimTrailingLines)
{
if (map.TrailingLines != 0)
{
summary.TrimTrailingLines = true;
end -= map.TrailingLines;
}
}
for (int i = 0; i < end; i++)
{
// Reconstruct file
var line = map.Lines[i];
if (rules.TrimTrailingWhitespace)
{
if (summary.TrimTrailingWhitespace == false)
{
summary.TrimTrailingWhitespace = line.EndsWith(" ") || line.EndsWith("\t");
}
line = line.TrimEnd(' ', '\t');
}
line = line.TrimStart(' ', '\t');
for (int j = 0; j < map.Indentation[i]; j++)
{
line = indent + line;
}
if (i != end - 1)
{
writer.Write(line + lineEnding);
}
else
{
writer.Write(line);
}
}
writer.Close();
}
return(summary);
}
