/// <summary>Parses a single line.</summary>
/// <param name="line">Text to parse.</param>
private static IniFileElement ParseLine(string line)
{
if (line == null)
{
return(null);
}
if (line.Contains("\n"))
{
throw new ArgumentException("String passed to the ParseLine method cannot contain more than one line.");
}
string trim = line.Trim();
IniFileElement elem = null;
if (IniFileBlankLine.IsLineValid(trim))
{
elem = new IniFileBlankLine(1);
}
else if (IniFileCommentary.IsLineValid(line))
{
elem = new IniFileCommentary(line);
}
else if (IniFileSectionStart.IsLineValid(trim))
{
elem = new IniFileSectionStart(line);
}
else if (IniFileValue.IsLineValid(trim))
{
elem = new IniFileValue(line);
}
return(elem ?? new IniFileElement(line));
}
/// <summary>Joins sections which are definied more than one time.</summary>
public void UnifySections()
{
var dict = new Dictionary <string, int>();
for (int i = 0; i < sections.Count; i++)
{
IniFileSection sect = sections[i];
if (dict.ContainsKey(sect.Name))
{
int index = dict[sect.Name] + 1;
elements.Remove(sect.sectionStart);
sections.Remove(sect);
for (int j = sect.elements.Count - 1; j >= 0; j--)
{
IniFileElement el = sect.elements[j];
if (!(j == sect.elements.Count - 1 && el is IniFileCommentary))
{
elements.Remove(el);
}
if (!(el is IniFileBlankLine))
{
elements.Insert(index, el);
IniFileValue val = this[sect.Name].FirstValue();
el.Intendation = (val != null) ? val.Intendation : this[sect.Name].sectionStart.Intendation;
}
}
}
else
{
dict.Add(sect.Name, elements.IndexOf(sect.sectionStart));
}
}
}
private void setComment(IniFileElement el, string comment)
{
int index = parent.elements.IndexOf(el);
if (IniFileEx.CommentChars.Length == 0)
{
throw new NotSupportedException("Comments are currently disabled. Setup ConfigFileSettings.CommentChars property to enable them.");
}
IniFileCommentary com;
if (index > 0 && parent.elements[index - 1] is IniFileCommentary)
{
com = ((IniFileCommentary)parent.elements[index - 1]);
if (comment == "")
{
parent.elements.Remove(com);
}
else
{
com.Comment = comment;
com.Intendation = el.Intendation;
}
}
else if (comment != "")
{
com = IniFileCommentary.FromComment(comment);
com.Intendation = el.Intendation;
parent.elements.Insert(index, com);
}
}
private string getComment(IniFileElement el)
{
int index = parent.elements.IndexOf(el);
if (index != 0 && parent.elements[index - 1] is IniFileCommentary)
{
return(((IniFileCommentary)parent.elements[index - 1]).Comment);
}
return("");
}
/// <summary>Formats whole section.</summary>
/// <param name="preserveIntendation">Determines whether intendation should be preserved.</param>
public void Format(bool preserveIntendation)
{
for (int i = 0; i < elements.Count; i++)
{
IniFileElement el = elements[i];
string lastIntend = el.Intendation;
el.FormatDefault();
if (preserveIntendation)
{
el.Intendation = lastIntend;
}
}
}
/// <summary>Writes INI file element to the file.</summary>
/// <param name="element">Element to write.</param>
private static void WriteElement(StreamWriter writer, IniFileElement element)
{
if (!PreserveFormatting)
{
element.FormatDefault();
}
// do not write if:
if (!( // 1) element is a blank line AND blank lines are not allowed
(element is IniFileBlankLine && !AllowBlankLines)
// 2) element is an empty value AND empty values are not allowed
|| (!AllowEmptyValues && element is IniFileValue && ((IniFileValue)element).Value == "")))
{
writer.WriteLine(element.Line);
}
}
/// <summary>Reads a INI file from a stream.</summary>
public static IniFileEx FromStream(StreamReader reader)
{
IEnumerable <IniFileElement> elemes = ParseText(reader);
IniFileEx ret = new IniFileEx();
ret.elements.AddRange(elemes);
if (ret.elements.Count > 0)
{
IniFileSection section = null;
if (ret.elements[ret.elements.Count - 1] is IniFileBlankLine)
{
ret.elements.RemoveAt(ret.elements.Count - 1);
}
for (int i = 0; i < ret.elements.Count; i++)
{
IniFileElement el = ret.elements[i];
if (el is IniFileSectionStart)
{
section = new IniFileSection(ret, (IniFileSectionStart)el);
ret.sections.Add(section);
}
else if (section != null)
{
section.elements.Add(el);
}
else if (ret.sections.Exists(delegate(IniFileSection a) { return(a.Name == ""); }))
{
ret.sections[0].elements.Add(el);
}
else if (el is IniFileValue)
{
section = new IniFileSection(ret, IniFileSectionStart.FromName(""));
section.elements.Add(el);
ret.sections.Add(section);
}
}
}
return(ret);
}
/// <summary>Parses given text.</summary>
private static List <IniFileElement> ParseText(StreamReader reader)
{
var ret = new List <IniFileElement>();
if (reader == null)
{
return(ret);
}
IniFileElement lastEl = null;
while (reader.Peek() != -1)
{
IniFileElement currEl = ParseLine(reader.ReadLine());
if (GroupElements)
{
if (lastEl != null)
{
if (currEl is IniFileBlankLine && lastEl is IniFileBlankLine)
{
((IniFileBlankLine)lastEl).Amount++;
continue;
}
if (currEl is IniFileCommentary && lastEl is IniFileCommentary)
{
((IniFileCommentary)lastEl).Comment += Environment.NewLine + ((IniFileCommentary)currEl).Comment;
continue;
}
}
else
{
lastEl = currEl;
}
}
lastEl = currEl;
ret.Add(currEl);
}
return(ret);
}
/// <summary>Formats whole INI file.</summary>
/// <param name="preserveIntendation">If true, old intendation will be standarized but not removed.</param>
public void Format(bool preserveIntendation)
{
string lastSectIntend = "";
string lastValIntend = "";
for (int i = 0; i < elements.Count; i++)
{
IniFileElement el = elements[i];
if (preserveIntendation)
{
if (el is IniFileSectionStart)
{
lastValIntend = lastSectIntend = el.Intendation;
}
else if (el is IniFileValue)
{
lastValIntend = el.Intendation;
}
}
el.FormatDefault();
if (preserveIntendation)
{
if (el is IniFileSectionStart)
{
el.Intendation = lastSectIntend;
}
else if (el is IniFileCommentary && i != elements.Count - 1 && !(elements[i + 1] is IniFileBlankLine))
{
el.Intendation = elements[i + 1].Intendation;
}
else
{
el.Intendation = lastValIntend;
}
}
}
}
