public override int AddFoldingRegion(RefactorerContext ctx, IType cls, string regionName)
{
IEditableTextFile buffer = ctx.GetFile(cls.CompilationUnit.FileName);
int pos = GetNewMethodPosition(buffer, cls);
string eolMarker = Environment.NewLine;
if (cls.SourceProject != null)
{
TextStylePolicy policy = cls.SourceProject.Policies.Get <TextStylePolicy> ();
if (policy != null)
{
eolMarker = policy.GetEolMarker();
}
}
int line, col;
buffer.GetLineColumnFromPosition(pos, out line, out col);
string indent = buffer.GetText(buffer.GetPositionFromLineColumn(line, 1), pos);
string pre = "#region " + regionName + eolMarker;
string post = indent + "#endregion" + eolMarker;
buffer.InsertText(pos, pre + post);
return(pos + pre.Length);
}
protected override int GetVariableNamePosition(IEditableTextFile file, LocalVariable var)
{
int begin = file.GetPositionFromLineColumn(var.Region.Start.Line, var.Region.Start.Column);
int end = file.GetPositionFromLineColumn(var.Region.Start.Line, var.Region.End.Column);
if (begin == -1 || end == -1)
{
return(-1);
}
string txt = file.GetText(begin, end);
int i = 0; /* = txt.IndexOf ('=');
* if (i == -1)
* i = txt.Length;*/
int pos = -1;
do
{
i = pos = txt.IndexOf(var.Name, i);
} while ((pos > 0 && !Char.IsLetter(file.GetCharAt(pos - 1))) &&
(pos + txt.Length + 1 < file.Length) && !Char.IsLetterOrDigit(file.GetCharAt(pos + txt.Length + 1))
);
if (pos == -1)
{
return(-1);
}
return(begin + pos);
}
public override IClass RenameClass(RefactorerContext ctx, IClass cls, string newName)
{
IEditableTextFile file = ctx.GetFile(cls.Region.FileName);
if (file == null)
{
return(null);
}
int pos1 = file.GetPositionFromLineColumn(cls.Region.BeginLine, cls.Region.BeginColumn);
int pos2 = file.GetPositionFromLineColumn(cls.Region.EndLine, cls.Region.EndColumn);
string txt = file.GetText(pos1, pos2);
Regex targetExp = new Regex(@"\sclass\s*(" + cls.Name + @")\s", RegexOptions.Multiline);
Match match = targetExp.Match(" " + txt + " ");
if (!match.Success)
{
return(null);
}
int pos = pos1 + match.Groups [1].Index - 1;
file.DeleteText(pos, cls.Name.Length);
file.InsertText(pos, newName);
return(GetGeneratedClass(ctx, file, cls));
}
protected override int GetMemberNamePosition (IEditableTextFile file, IMember member)
{
int begin = file.GetPositionFromLineColumn (member.BodyRegion.Start.Line, member.BodyRegion.Start.Column);
int end = file.GetPositionFromLineColumn (member.BodyRegion.End.Line, member.BodyRegion.End.Column);
if (begin == -1 || end == -1)
return -1;
string txt = file.GetText (begin, end);
string name = member.Name;
int len = txt.Length;
int pos = -1;
if (member is IField) {
// Fields are different because multiple fields can be declared
// in the same region and might even reference each other
// e.g. "public int fu, bar = 1, baz = bar;"
do {
if ((pos = txt.IndexOf (member.Name, pos + 1)) == -1)
return -1;
} while (!IsMatchedField (txt, member.Name, pos));
return begin + pos;
} else if (member is IMethod) {
if ((len = txt.IndexOf ('(')) == -1)
return -1;
if (((IMethod) member).IsConstructor)
name = member.DeclaringType.Name;
} else if (member is IEvent) {
// no variables to change
} else if (member is IProperty) {
if (((IProperty)member).IsIndexer && (len = txt.IndexOf ('[')) == -1)
return -1;
} else {
return -1;
}
if ((pos = txt.LastIndexOf (name, len)) == -1)
return -1;
return begin + pos;
}
protected override int GetParameterNamePosition (IEditableTextFile file, IParameter param)
{
IMember member = param.DeclaringMember;
int begin = file.GetPositionFromLineColumn (member.BodyRegion.Start.Line, member.BodyRegion.Start.Column);
int end = file.GetPositionFromLineColumn (member.BodyRegion.End.Line, member.BodyRegion.End.Column);
if (begin == -1 || end == -1)
return -1;
string txt = file.GetText (begin, end);
int open, close, i, j;
char obrace, cbrace;
if (member is IProperty) { // indexer
obrace = '[';
cbrace = ']';
} else {
obrace = '(';
cbrace = ')';
}
if ((open = txt.IndexOf (obrace)) == -1)
return -1;
if ((close = txt.LastIndexOf (cbrace)) == -1)
return -1;
open++;
while (open < close) {
if ((i = txt.IndexOf (param.Name, open)) == -1)
return -1;
if (!Char.IsWhiteSpace (txt[i - 1]))
return -1;
j = i + param.Name.Length;
if (j == close || Char.IsWhiteSpace (txt[j]) || txt[j] == ',')
return begin + i;
if ((open = txt.IndexOf (',', i)) == -1)
return -1;
open++;
}
return -1;
}
protected override int GetVariableNamePosition (IEditableTextFile file, LocalVariable var)
{
int begin = file.GetPositionFromLineColumn (var.Region.Start.Line, var.Region.Start.Column);
int end = file.GetPositionFromLineColumn (var.Region.Start.Line, var.Region.End.Column);
if (begin == -1 || end == -1)
return -1;
string txt = file.GetText (begin, end);
int i = 0; /* = txt.IndexOf ('=');
if (i == -1)
i = txt.Length;*/
int pos = -1;
do {
i = pos = txt.IndexOf (var.Name, i);
} while ( (pos > 0 && !Char.IsLetter (file.GetCharAt (pos - 1))) &&
(pos + txt.Length + 1 < file.Length )&& !Char.IsLetterOrDigit (file.GetCharAt (pos + txt.Length + 1))
);
if (pos == -1)
return -1;
return begin + pos;
}
protected override int GetMemberNamePosition(IEditableTextFile file, IMember member)
{
int begin = file.GetPositionFromLineColumn(member.BodyRegion.Start.Line, member.BodyRegion.Start.Column);
int end = file.GetPositionFromLineColumn(member.BodyRegion.End.Line, member.BodyRegion.End.Column);
if (begin == -1 || end == -1)
{
return(-1);
}
string txt = file.GetText(begin, end);
string name = member.Name;
int len = txt.Length;
int pos = -1;
if (member is IField)
{
// Fields are different because multiple fields can be declared
// in the same region and might even reference each other
// e.g. "public int fu, bar = 1, baz = bar;"
do
{
if ((pos = txt.IndexOf(member.Name, pos + 1)) == -1)
{
return(-1);
}
} while (!IsMatchedField(txt, member.Name, pos));
return(begin + pos);
}
else if (member is IMethod)
{
if ((len = txt.IndexOf('(')) == -1)
{
return(-1);
}
if (((IMethod)member).IsConstructor)
{
name = member.DeclaringType.Name;
}
}
else if (member is IEvent)
{
// no variables to change
}
else if (member is IProperty)
{
if (((IProperty)member).IsIndexer && (len = txt.IndexOf('[')) == -1)
{
return(-1);
}
}
else
{
return(-1);
}
if ((pos = txt.LastIndexOf(name, len)) == -1)
{
return(-1);
}
return(begin + pos);
}
protected override int GetParameterNamePosition(IEditableTextFile file, IParameter param)
{
IMember member = param.DeclaringMember;
int begin = file.GetPositionFromLineColumn(member.BodyRegion.Start.Line, member.BodyRegion.Start.Column);
int end = file.GetPositionFromLineColumn(member.BodyRegion.End.Line, member.BodyRegion.End.Column);
if (begin == -1 || end == -1)
{
return(-1);
}
string txt = file.GetText(begin, end);
int open, close, i, j;
char obrace, cbrace;
if (member is IProperty) // indexer
{
obrace = '[';
cbrace = ']';
}
else
{
obrace = '(';
cbrace = ')';
}
if ((open = txt.IndexOf(obrace)) == -1)
{
return(-1);
}
if ((close = txt.LastIndexOf(cbrace)) == -1)
{
return(-1);
}
open++;
while (open < close)
{
if ((i = txt.IndexOf(param.Name, open)) == -1)
{
return(-1);
}
if (!Char.IsWhiteSpace(txt[i - 1]))
{
return(-1);
}
j = i + param.Name.Length;
if (j == close || Char.IsWhiteSpace(txt[j]) || txt[j] == ',')
{
return(begin + i);
}
if ((open = txt.IndexOf(',', i)) == -1)
{
return(-1);
}
open++;
}
return(-1);
}
protected virtual int GetNewFieldPosition (IEditableTextFile buffer, IType cls)
{
cls = GetMainPart (cls);
if (cls.FieldCount == 0) {
int sp = buffer.GetPositionFromLineColumn (cls.BodyRegion.Start.Line, cls.BodyRegion.Start.Column);
int ep = buffer.GetPositionFromLineColumn (cls.BodyRegion.End.Line, cls.BodyRegion.End.Column);
string s = buffer.GetText (sp, ep);
int i = s.IndexOf ('{');
if (i == -1) return -1;
string ind = GetLineIndent (buffer, cls.BodyRegion.Start.Line) ;
int pos;
if (cls.BodyRegion.Start.Line == cls.BodyRegion.End.Line) {
buffer.InsertText (sp + i + 1, "\n" + ind);
pos = sp + i + 2;
} else {
pos = GetNextLine (buffer, sp + i + 1);
// buffer.InsertText (pos, ind + "\n");
// pos += ind.Length + 1;
}
return EnsurePositionIsNotInRegionsAndIndented (cls.SourceProject as Project, buffer, ind + "\t", pos);
} else {
IField f = cls.Fields.Last ();
int pos = buffer.GetPositionFromLineColumn (f.Location.Line, f.Location.Column);
string ind = GetLineIndent (buffer, f.Location.Line);
if (cls.BodyRegion.Start.Line == cls.BodyRegion.End.Line) {
int sp = buffer.GetPositionFromLineColumn (cls.BodyRegion.Start.Line, cls.BodyRegion.Start.Column);
int ep = buffer.GetPositionFromLineColumn (cls.BodyRegion.End.Line, cls.BodyRegion.End.Column);
string s = buffer.GetText (sp, ep);
int i = s.IndexOf ('}');
if (i == -1) return -1;
// buffer.InsertText (sp + i, "\n" + ind + "\t\n" + ind);
pos = sp + i + ind.Length + 2;
} else {
pos = GetNextLine (buffer, pos);
}
// buffer.InsertText (pos, ind);
return EnsurePositionIsNotInRegionsAndIndented (cls.SourceProject as Project, buffer, ind, pos);
}
}