/**
* Construct a new in-memory item of an Ini file.
* @param parent the group we belong to
* @param name the name of the item
* @param last the last element of the name of the item
*/
public IniItem(IniGroup parent, string name) //, string last = null)
{
next = null;
value = null;
comment = null;
this.name = name;
//str_validate(this.name, this.name + strlen(this.name));
parent.items.Add(name, this);
}
/**
* Load the Ini file's data from the disk.
* @param filename the file to load.
* @param subdir the sub directory to load the file from.
* @pre nothing has been loaded yet.
*/
public void LoadFromDisk(string filename, Subdirectory subdir)
{
Debug.Assert(groups.Any() == false);
//FILE *in = this.OpenFile(filename, subdir, &end);
//if (in == NULL) return;
var path = filename; //TODO create
IniGroup group = null;
var commentBuilder = new StringBuilder();
var hasComment = false;
/* for each line in the file */
foreach (var l in File.ReadLines(path, Encoding.UTF8))
{
var line = l.Trim();
if (line.Any() == false)
{
continue;
}
var firstChar = line.First();
/* Skip comments and empty lines outside IGT_SEQUENCE groups. */
if ((group == null || group.type != IniGroupType.IGT_SEQUENCE) && (firstChar == '#' || firstChar == ';' || firstChar == '\0'))
{
commentBuilder.AppendLine(line); // comment newline
hasComment = true;
continue;
}
/* it's a group? */
if (firstChar == '[')
{
var lineLength = line.Length;
if (line.Last() != ']')
{
this.ReportFileError("ini: invalid group name '", line, "'");
}
else
{
lineLength--;
}
group = new IniGroup(this, line.Substring(1, lineLength - 1)); // skip [
if (hasComment)
{
group.comment = commentBuilder.ToString();
commentBuilder.Clear();
hasComment = false;
}
}
else if (group != null)
{
if (group.type == IniGroupType.IGT_SEQUENCE)
{
/* A sequence group, use the line as item name without further interpretation. */
var itemInner = new IniItem(group, line);
if (hasComment)
{
itemInner.comment = commentBuilder.ToString();
commentBuilder.Clear();
hasComment = false;
}
continue;
}
var index = 0;
string name = null;
/* find end of keyname */
if (firstChar == '\"')
{
index++;
var length = line.IndexOf("\"", index);
name = line.Substring(index, length);
index += length + 1;
}
else
{
for (var i = 0; i < line.Length; i++)
{
var c = line[i];
if (Char.IsWhiteSpace(c) || c == '=')
{
name = line.Substring(index, i);
index = i + 1;
break;
}
}
if (index == 0)
{
name = line;
}
}
/* it's an item in an existing group */
var item = new IniItem(group, name);
if (hasComment)
{
item.comment = commentBuilder.ToString();
commentBuilder.Clear();
hasComment = false;
}
/* find start of parameter */
for (; index < line.Length; index++)
{
var c = line[index];
if (Char.IsWhiteSpace(c) == false || c == '=')
{
break;
}
}
bool quoted = (line[index] == '\"');
/* remove starting quotation marks */
if (quoted)
{
index++;
}
/* remove ending quotation marks */
var value = (string)null;
if (index < line.Length - 1)
{
value = line.EndsWith("\"")
? line.Substring(index, line.Length - index - 1)
: line.Substring(index);
}
/* If the value was not quoted and empty, it must be NULL */
item.value = value;
//if (item.value != null) str_validate(item.value, item.value + strlen(item.value));
}
else
{
/* it's an orphan item */
this.ReportFileError("ini: '", line, "' outside of group");
}
}
if (hasComment)
{
this.comment = commentBuilder.ToString();
commentBuilder.Clear();
hasComment = false;
}
}
