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);
}
public static FileMap GenerateMap(string path)
{
var map = new FileMap();
var text = File.ReadAllText(path);
map.LFUsed = text.Count(c => c == '\n');
map.CRLFUsed = text.Count(c => c == '\r');
map.LFUsed -= map.CRLFUsed;
map.Lines = text.Replace("\r", "").Split('\n');
map.Indentation = new int[map.Lines.Length];
map.AverageSpaces = 0;
int previousIndent = 0, currentIndent = 0;
for (int i = 0; i < map.Lines.Length; i++)
{
string line = map.Lines[i];
int indent;
if (string.IsNullOrWhiteSpace(line))
{
map.Indentation[i] = -1;
continue;
}
int spaces = 0;
if (line.StartsWith(" "))
{
map.SpacesUsed++;
indent = CountStart(line, ' ');
if (map.SpacesUsed != 0 &&
Math.Abs(indent - previousIndent) <
(map.AverageSpaces / map.SpacesUsed) * 0.5)
{
// If it's less than half of the average away from the last indent, assume it's a mistake
indent = previousIndent;
}
spaces = indent;
}
else if (line.StartsWith("\t"))
{
map.TabsUsed++;
indent = CountStart(line, '\t') * GuessedTabSize;
}
else
{
previousIndent = currentIndent = 0;
map.Indentation[i] = 0;
continue;
}
if (previousIndent < indent && indent - previousIndent < IndentationThreshold) // Ignore indentation too far out there
{
currentIndent++;
}
else if (previousIndent > indent)
{
currentIndent--;
}
map.Indentation[i] = currentIndent;
if (spaces != 0 && currentIndent != 0)
{
map.AverageSpaces += spaces / currentIndent;
}
previousIndent = indent;
}
for (int i = text.Length - 1; i >= 0; i--)
{
if (text[i] == '\n')
{
map.TrailingLines++;
}
else if (text[i] == '\r')
{
;
}
else
{
break;
}
}
return(map);
}
public static Project AnalyzeDirectory(string path)
{
var project = new Project(path);
// Get a file list
project.CodeFiles = new List <string>();
foreach (var ext in FileFilters)
{
project.CodeFiles.AddRange(Directory.GetFiles(project.Path, ext, SearchOption.AllDirectories));
}
// Omit version control
project.CodeFiles = new List <string>(project.CodeFiles.Where(f =>
{
foreach (var vcs in VersionControlFolders)
{
if (f.StartsWith(vcs))
{
return(false);
}
}
return(true);
}));
int lfCount = 0, crlfCount = 0, spaceCount = 0, tabCount = 0;
double averageSpaces = 0;
foreach (var file in project.CodeFiles)
{
var ext = Path.GetExtension(file);
var lang = LanguageMap.GetLanguageForExtension(ext);
if (!project.LanguageDistribution.ContainsKey(lang))
{
project.LanguageDistribution[lang] = 1;
}
else
{
project.LanguageDistribution[lang]++;
}
var map = FileMap.GenerateMap(file);
lfCount += map.LFUsed;
crlfCount += map.CRLFUsed;
spaceCount += map.SpacesUsed;
tabCount += map.TabsUsed;
averageSpaces += map.AverageSpaces;
}
if (lfCount < crlfCount)
{
project.LineEndings = LineEndingStyle.CRLF;
}
else
{
project.LineEndings = LineEndingStyle.LF;
}
if (spaceCount < tabCount)
{
project.Indentation = IndentationStyle.Tabs;
}
else
{
project.Indentation = IndentationStyle.Spaces;
}
project.NumberOfSpaces = (int)(averageSpaces / spaceCount);
return(project);
}