/// <summary>
/// Writes the string representation of a specific <see cref="IniDocument"/>
/// object to the specified destination stream.
/// </summary>
/// <param name="source">
/// The <see cref="IniDocument"/> object to write.
/// </param>
/// <param name="destStream">
/// The destination stream to be written.
/// </param>
/// <exception cref="ArgumentNullException">
/// source or destStream is null.
/// </exception>
public static void WriteTo(this IniDocument source, Stream destStream)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
if (destStream == null)
{
throw new ArgumentNullException(nameof(destStream));
}
var fileFormat = source.FileFormat;
using var sw = new StreamWriter(destStream, fileFormat == IniFileFormat.Regedit4 ? EncodingEx.Ansi : EncodingEx.Utf8NoBom, 8192, true);
switch (fileFormat)
{
case IniFileFormat.Regedit4:
sw.WriteLine("REGEDIT4");
sw.WriteLine();
break;
case IniFileFormat.Regedit5:
sw.WriteLine("Windows Registry Editor Version 5.00");
sw.WriteLine();
break;
}
foreach (var section in source.Sections)
{
if (IniHelper.SectionIsInvalid(section))
{
continue;
}
var keyValueDict = source[section];
var hasNoValue = !keyValueDict?.Any() ?? true;
if (hasNoValue && !IniHelper.IsImportantSection(section))
{
continue;
}
if (!string.IsNullOrEmpty(section))
{
sw.Write('[');
sw.Write(section.Trim());
sw.WriteLine(']');
}
if (hasNoValue)
{
sw.WriteLine();
continue;
}
foreach (var pair in keyValueDict)
{
if (IniHelper.KeyIsInvalid(pair.Key) || !pair.Value.Any())
{
continue;
}
foreach (var value in pair.Value)
{
if (string.IsNullOrEmpty(value) || value.Any(TextEx.IsLineSeparator))
{
continue;
}
sw.Write(pair.Key.Trim());
sw.Write('=');
if (!IniHelper.IsHex(value) || value.Length < 76)
{
sw.WriteLine(value);
}
else
{
for (var i = 0; i < value.Length; i++)
{
sw.Write(value[i]);
if (i == 0 || i % 75 != 0)
{
continue;
}
sw.WriteLine('\\');
}
sw.WriteLine();
}
}
}
sw.WriteLine();
}
}
internal static IDictionary <string, IDictionary <string, IList <string> > > Parse(string fileOrContent, bool ignoreCase, out IniFileFormat fileFormat)
{
fileFormat = IniFileFormat.Default;
var source = fileOrContent;
if (string.IsNullOrEmpty(source))
{
throw new ArgumentNullException(nameof(fileOrContent));
}
var path = PathEx.Combine(source);
if (File.Exists(path))
{
source = File.ReadAllText(path, EncodingEx.Utf8NoBom);
}
var lines = source.Split(TextSeparatorChar.AllNewLineChars, StringSplitOptions.RemoveEmptyEntries);
var comparer = ignoreCase ? StringComparer.OrdinalIgnoreCase : StringComparer.Ordinal;
var content = new Dictionary <string, IDictionary <string, IList <string> > >(comparer);
var section = string.Empty;
var key = string.Empty;
var index = 0;
var isHex = false;
for (var i = 0; i < lines.Length; i++)
{
var line = lines[i];
if (i == 0)
{
if (line.Equals("Windows Registry Editor Version 5.00", StringComparison.Ordinal))
{
fileFormat = IniFileFormat.Regedit5;
}
else if (line.Equals("REGEDIT4", StringComparison.Ordinal))
{
fileFormat = IniFileFormat.Regedit4;
}
}
if (isHex && (isHex = IniHelper.IsHex(line)))
{
content[section][key][index] += line.TrimEnd('\\');
continue;
}
var item = line.Trim();
if (item.Length < 3 || item[0] == ';' || item[0] == '#')
{
continue;
}
int length;
if (item[0] == '[' && (length = item.LastIndexOf(']') - 1) > 0)
{
section = item.Substring(1, length);
if (IniHelper.IsImportantSection(section) && !content.ContainsKey(section))
{
content.Add(section, default);
}
continue;
}
if ((length = item.IndexOf('=')) < 1 || length > item.Length - 2)
{
continue;
}
key = item.Substring(0, length);
var value = item.Substring(length + 1);
if (IniHelper.HasHexPrefix(value) && IniHelper.IsHex(value) && value.EndsWith("\\", StringComparison.Ordinal))
{
isHex = true;
value = value.TrimEnd('\\');
}
if (!content.ContainsKey(section))
{
content.Add(section, new Dictionary <string, IList <string> >(comparer));
}
if (!content[section].ContainsKey(key))
{
content[section].Add(key, new List <string>());
}
content[section][key].Add(value);
if (isHex)
{
index = content[section][key].Count - 1;
}
}
return(content);
}
