/// <summary>
/// Initializes a new instance of the <see cref="Ini"/> class and loads the data from
/// the specified <see cref="TextReader"/>.
/// </summary>
/// <param name="reader">The <see cref="TextReader"/> to load from.</param>
/// <param name="settings">Optional Ini file settings.</param>
/// <exception cref="ArgumentNullException">Thrown if the specified text reader is null.</exception>
public Ini(TextReader reader, IniLoadSettings settings = null) : base(GetEqualityComparer(settings))
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
ParseIniFile(reader, settings);
}
/// <summary>
/// Transforms the INI content into an in-memory object model.
/// </summary>
/// <param name="reader">The INI content.</param>
/// <param name="settings">Optional Ini file settings.</param>
private void ParseIniFile(TextReader reader, IniLoadSettings settings)
{
settings = settings ?? IniLoadSettings.Default;
// Go through all the lines and build a flat collection of INI objects.
IList <IniItem> lineItems = ParseLines(reader).ToList();
// Go through the line objects and construct an object model.
CreateObjectModel(settings, lineItems);
}
/// <summary>
/// Initializes a new instance of the <see cref="Ini"/> class and loads the data from
/// the specified stream.
/// </summary>
/// <param name="stream">The stream to load from.</param>
/// <param name="settings">Optional Ini file settings.</param>
/// <exception cref="ArgumentNullException">Thrown if the specified stream is null.</exception>
/// <exception cref="ArgumentException">Thrown if the stream cannot be read.</exception>
public Ini(Stream stream, IniLoadSettings settings = null) : base(GetEqualityComparer(settings))
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanRead)
{
throw new ArgumentException(ErrorMessages.StreamNotReadable, nameof(stream));
}
using (var reader = new StreamReader(stream, settings.Encoding ?? Encoding.UTF8, settings.DetectEncoding))
ParseIniFile(reader, settings);
}
/// <summary>
/// Initializes a new instance of the <see cref="Ini"/> class and loads the data from
/// the specified file.
/// </summary>
/// <param name="iniFilePath">The path to the .ini file.</param>
/// <param name="settings">Optional Ini file settings.</param>
/// <exception cref="ArgumentNullException">Thrown if the <c>iniFilePath</c> is <c>null</c>.</exception>
/// <exception cref="FileNotFoundException">Thrown if the specified file does not exist.</exception>
public Ini(string iniFilePath, IniLoadSettings settings = null) : base(GetEqualityComparer(settings))
{
if (iniFilePath == null)
{
throw new ArgumentNullException(nameof(iniFilePath));
}
if (!File.Exists(iniFilePath))
{
throw new FileNotFoundException(string.Format(ErrorMessages.IniFileDoesNotExist, iniFilePath), iniFilePath);
}
using (var stream = new FileStream(iniFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var reader = new StreamReader(stream, settings.Encoding ?? Encoding.UTF8, settings.DetectEncoding))
ParseIniFile(reader, settings);
}
/// <summary>
/// Go through each line object and construct a hierarchical object model, with properties
/// under sections and comments/blank lines under respective sections and properties.
/// </summary>
/// <param name="settings">The INI load settings that control the load behavior.</param>
/// <param name="lineItems"></param>
private void CreateObjectModel(IniLoadSettings settings, IList <IniItem> lineItems)
{
Section currentSection = null;
var minorItems = new List <MinorIniItem>();
foreach (IniItem item in lineItems)
{
switch (item)
{
case BlankLine blankLine when !settings.IgnoreBlankLines:
minorItems.Add(blankLine);
break;
case Comment comment when !settings.IgnoreComments:
minorItems.Add(comment);
break;
case Section section:
currentSection = section;
AddRangeAndClear(currentSection.Items, minorItems);
Add(currentSection);
break;
case Property property when currentSection == null:
throw new FormatException(string.Format(CultureInfo.CurrentCulture, ErrorMessages.PropertyWithoutSection, property.Name));
case Property property:
AddRangeAndClear(property.Items, minorItems);
if (currentSection == null)
{
throw new InvalidOperationException(ErrorMessages.CreateObjectModelInvalidCurrentSection);
}
currentSection.Add(property);
break;
}
}
// If there are comments or blank lines at the end of the INI, which cannot be assigned
// to any section or property, assign them to the TrailingItems collection.
if (minorItems.Count > 0)
{
AddRangeAndClear(TrailingItems, minorItems);
}
}
public Ini(FileInfo iniFile, IniLoadSettings settings = null) : base(GetEqualityComparer(settings))
{
if (iniFile == null)
{
throw new ArgumentNullException(nameof(iniFile));
}
if (!iniFile.Exists)
{
throw new FileNotFoundException(string.Format(CultureInfo.CurrentCulture, ErrorMessages.IniFileDoesNotExist, iniFile.FullName), iniFile.FullName);
}
_settings = settings ?? IniLoadSettings.Default;
using (var stream = new FileStream(iniFile.FullName, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var reader = new StreamReader(stream, _settings.Encoding ?? Encoding.UTF8, _settings.DetectEncoding))
ParseIniFile(reader);
}
}
/// <summary>
/// Initializes a new empty instance of the <see cref="Ini"/> class with the specified
/// settings.
/// </summary>
/// <param name="settings">The Ini file settings.</param>
public Ini(IniLoadSettings settings) : base(GetEqualityComparer(settings))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Ini"/> class and loads the data from
/// the specified string.
/// </summary>
/// <param name="content">The string representing the Ini content.</param>
/// <param name="settings">Optional Ini file settings.</param>
/// <returns>An instance of the <see cref="Ini"/> class.</returns>
public static Ini Load(string content, IniLoadSettings settings = null)
{
using (var reader = new StringReader(content))
return(new Ini(reader, settings));
}
