protected ProfileItem(Profile owner, int lineNumber)
{
if(owner == null)
throw new ArgumentNullException("owner");
_owner = owner;
_lineNumber = Math.Max(lineNumber, -1);
}
public static Profile Load(Stream stream, Encoding encoding = null)
{
if(stream == null)
throw new ArgumentNullException("stream");
Profile profile = new Profile(stream is FileStream ? ((FileStream)stream).Name : string.Empty);
string text, content;
ProfileSection section = null;
using(var reader = new StreamReader(stream, encoding ?? Encoding.UTF8))
{
int lineNumber = 0;
while((text = reader.ReadLine()) != null)
{
//解析读取到的行文本
switch(ParseLine(text, out content))
{
case LineType.Section:
var parts = content.Split(' ', '\t');
var sections = profile.Sections;
foreach(string part in parts)
{
section = sections[part];
if(section == null)
section = sections.Add(part, lineNumber);
sections = section.Sections;
}
break;
case LineType.Entry:
//if(section == null)
// throw new ProfileException("Invalid format of the profile.");
var index = content.IndexOf('=');
if(section == null)
{
if(index < 0)
profile.Items.Add(new ProfileEntry(lineNumber, content));
else
profile.Items.Add(new ProfileEntry(lineNumber, content.Substring(0, index), content.Substring(index + 1)));
}
else
{
if(index < 0)
section.Entries.Add(lineNumber, content);
else
section.Entries.Add(lineNumber, content.Substring(0, index), content.Substring(index + 1));
}
break;
case LineType.Comment:
if(section == null)
profile._items.Add(new ProfileComment(content, lineNumber));
else
section.Items.Add(new ProfileComment(content, lineNumber));
break;
}
//递增行号
lineNumber++;
}
}
return profile;
}