/// <summary>
/// Return the section with the given name, creating it if necessary.
/// </summary>
/// <param name="name">The name of the section.</param>
/// <returns></returns>
public IniFileSection FindOrCreateSection(string name)
{
IniFileSection section;
if (!SectionsByName.TryGetValue(name, out section))
{
section = new IniFileSection(this, name);
}
return(section);
}
/// <summary>Initialise the setting.</summary>
/// <param name="section"></param>
/// <param name="name"></param>
/// <param name="value"></param>
public IniFileSetting(IniFileSection section, string name, string value)
{
if (section == null)
throw new ArgumentNullException("section");
if (name == null)
throw new ArgumentNullException("name");
if (value == null)
throw new ArgumentNullException("value");
Section = section;
Name = name;
Value = value;
IniFileSetting first;
// Insert this into section.SettingsByName using the duplicate behavior setting.
if (!section.SettingsByName.TryGetValue(name, out first))
section.SettingsByName[name] = this;
else {
switch (File.Behavior.Duplicates) {
case IniFileDuplicateBehavior.AllowAll:
case IniFileDuplicateBehavior.AllowChooseFirst:
for (var last = first; ; last = last.NextSettingWithSameName)
if (last.NextSettingWithSameName == null) {
last.NextSettingWithSameName = this;
break;
}
break;
case IniFileDuplicateBehavior.Abort:
throw new InvalidOperationException("This IniFile may not have duplicate keys within a section.");
case IniFileDuplicateBehavior.AllowChooseLast:
NextSettingWithSameName = first;
section.SettingsByName[name] = this;
break;
case IniFileDuplicateBehavior.IgnoreChooseFirst:
return;
case IniFileDuplicateBehavior.IgnoreChooseLast:
first.Remove();
section.SettingsByName[name] = this;
break;
default:
throw new Exception();
}
}
Section.Settings.Add(this);
}
/// <summary>
/// Return the section with the given name, creating it if necessary.
/// </summary>
/// <param name="name">The name of the section.</param>
/// <returns></returns>
public IniFileSection FindOrCreateSection(string name)
{
IniFileSection section;
if (!SectionsByName.TryGetValue(name, out section))
section = new IniFileSection(this, name);
return section;
}
/// <summary>Initialise the setting.</summary>
/// <param name="section"></param>
/// <param name="name"></param>
/// <param name="value"></param>
public IniFileSetting(IniFileSection section, string name, string value)
{
if (section == null)
{
throw new ArgumentNullException("section");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
Section = section;
Name = name;
Value = value;
IniFileSetting first;
// Insert this into section.SettingsByName using the duplicate behavior setting.
if (!section.SettingsByName.TryGetValue(name, out first))
{
section.SettingsByName[name] = this;
}
else
{
switch (File.Behavior.Duplicates)
{
case IniFileDuplicateBehavior.AllowAll:
case IniFileDuplicateBehavior.AllowChooseFirst:
for (var last = first; ; last = last.NextSettingWithSameName)
{
if (last.NextSettingWithSameName == null)
{
last.NextSettingWithSameName = this;
break;
}
}
break;
case IniFileDuplicateBehavior.Abort:
throw new InvalidOperationException("This IniFile may not have duplicate keys within a section.");
case IniFileDuplicateBehavior.AllowChooseLast:
NextSettingWithSameName = first;
section.SettingsByName[name] = this;
break;
case IniFileDuplicateBehavior.IgnoreChooseFirst:
return;
case IniFileDuplicateBehavior.IgnoreChooseLast:
first.Remove();
section.SettingsByName[name] = this;
break;
default:
throw new Exception();
}
}
Section.Settings.Add(this);
}
/// <summary>Initialise the file, loading it from the system.</summary>
/// <param name="path"></param>
/// <param name="behavior"></param>
public IniFile(string path, IniFileBehavior behavior)
: this(behavior) {
var lines = File.ReadAllLines(path, Encoding.ASCII);
IniFileSection section = null;
for (var index = 0; index < lines.Length; index++)
{
var line = lines[index].Trim();
if (line.Length == 0 || line[0] == Behavior.CommentDelimiter)
{
continue;
}
if (line[0] == '[')
{
int end = line.IndexOf(']');
if (end < 0)
{
throw new Exception("Expected ']' to terminate a section name.");
}
section = FindOrCreateSection(line.Substring(1, end - 1));
}
else
{
var comment = -1;
var split = line.IndexOf(behavior.SettingValueDelimiter);
string name, value;
if (Behavior.CommentInValue)
{
comment = line.IndexOf(behavior.CommentDelimiter);
if (behavior.CommentDelimiter2 != null)
{
comment = Extensions.GetSmallerIndex(comment, line.IndexOf(behavior.CommentDelimiter2));
}
}
if (split < 0 && comment >= 0)
{
for (int chIndex = 0; chIndex < comment; chIndex++)
{
if (!char.IsWhiteSpace(line[chIndex]))
{
throw new Exception("This line has non-whitespace before a comment, but is not a setting.");
}
}
continue;
}
if (split < 0 || (comment >= 0 && comment < split))
{
throw new Exception("This line cannot be parsed as a setting, but it's the only thing it could be.");
}
name = line.Substring(0, split).TrimEnd();
if (comment >= 0)
{
value = line.Substring(split + 1, comment - split - 1).Trim();
}
else
{
value = line.Substring(split + 1).Trim();
}
new IniFileSetting(section, name, value);
}
}
}
