protected ProfileItem(ProfileSection 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)
{
if (!sections.TryGet(part, out section))
{
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);
}
private static void WriteSection(TextWriter writer, ProfileSection section)
{
if(section == null)
return;
var sections = new List<ProfileSection>();
if(section.Entries.Count > 0 || section.Comments.Count > 0)
{
writer.WriteLine();
writer.WriteLine("[{0}]", section.FullName);
}
foreach(var item in section.Items)
{
switch(item.ItemType)
{
case ProfileItemType.Section:
sections.Add((ProfileSection)item);
break;
case ProfileItemType.Entry:
var entry = (ProfileEntry)item;
if(string.IsNullOrWhiteSpace(entry.Value))
writer.WriteLine(entry.Name);
else
writer.WriteLine(entry.Name + "=" + entry.Value);
break;
case ProfileItemType.Comment:
foreach(var line in ((ProfileComment)item).Lines)
{
writer.WriteLine("#" + line);
}
break;
}
}
if(sections.Count > 0)
{
foreach(var child in sections)
WriteSection(writer, child);
}
}
private void UpdateEntries(ProfileSection section, object value)
{
if(section == null || value == null)
return;
var entries = value as IEnumerable<ProfileEntry>;
if(entries != null)
{
foreach(var entry in entries)
{
section.SetEntryValue(entry.Name, entry.Value);
}
return;
}
var dictionary = value as IDictionary;
if(dictionary != null)
{
foreach(DictionaryEntry entry in dictionary)
{
section.SetEntryValue(
Zongsoft.Common.Convert.ConvertValue<string>(entry.Key),
Zongsoft.Common.Convert.ConvertValue<string>(entry.Value));
}
return;
}
if(Zongsoft.Common.TypeExtension.IsAssignableFrom(typeof(IDictionary<,>), value.GetType()))
{
foreach(var entry in (IEnumerable)value)
{
var entryKey = entry.GetType().GetProperty("Key", BindingFlags.Public | BindingFlags.Instance).GetValue(entry);
var entryValue = entry.GetType().GetProperty("Value", BindingFlags.Public | BindingFlags.Instance).GetValue(entry);
section.SetEntryValue(
Zongsoft.Common.Convert.ConvertValue<string>(entryKey),
Zongsoft.Common.Convert.ConvertValue<string>(entryValue));
}
}
}
private bool ParsePath(string path, bool createSectionOnNotExists, out ProfileSection section, out string name, out bool isSectionPath)
{
section = null;
name = null;
isSectionPath = false;
if(string.IsNullOrWhiteSpace(path))
throw new ArgumentNullException("path");
var parts = path.Split('/');
int index = -1;
for(int i = parts.Length - 1; i >= 0; i--)
{
if(!string.IsNullOrWhiteSpace(parts[i]))
{
index = i;
break;
}
}
if(index < 0)
return false;
name = parts[index];
isSectionPath = string.IsNullOrWhiteSpace(parts[parts.Length - 1]);
var sections = this.Sections;
for(int i = 0; i < index; i++)
{
if(string.IsNullOrWhiteSpace(parts[i]))
continue;
section = sections[parts[i]];
if(section == null)
{
if(!createSectionOnNotExists)
return false;
section = sections.Add(parts[i]);
}
sections = section.Sections;
}
return true;
}
