/// <summary>
/// Parses the specified text for configuration entries.
/// </summary>
/// <param name="text">The text.</param>
/// <returns></returns>
public IList <ConfigLine> Parse(string text)
{
var results = new List <ConfigLine>();
var lines = text.Split(Environment.NewLine);
var section = string.Empty;
foreach (var line in lines)
{
// only process lines if content
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
// section header?
if (line.StartsWith("["))
{
section = line.SubstringAfterChar("[").SubstringBeforeLastChar("]");
continue;
}
ConfigLine result;
if (ConfigLine.TryParse(line, out result, section: section))
{
results.Add(result);
}
}
return(results);
}
public void TestParseConfigLineWhenAComnentWithInvalidIndicator()
{
const string input = @"//comment";
ConfigLine line;
Assert.Throws <ArgumentException>(() => ConfigLine.TryParse(input, out line, ""));
}
public void TestParseConfigLineWithEqualsInValue()
{
const string input = "test=value=something";
ConfigLine line;
ConfigLine.TryParse(input, out line);
Assert.AreEqual("value=something", line.Value);
}
public void TestParseConfigLineSetSectionName()
{
const string input = "test=value";
ConfigLine line;
ConfigLine.TryParse(input, out line, section: "Main");
Assert.AreEqual("Main", line.Section);
}
/// <summary>
/// Tries to parse the given value into a <see cref="ConfigLine"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="line">The line.</param>
/// <param name="commentIndicator">The comment indicator.</param>
/// <param name="section">The section.</param>
/// <returns></returns>
public static bool TryParse(string value, out ConfigLine line, string commentIndicator = "#", string section = "")
{
var result = false;
line = null;
// indicator valid?
if (string.IsNullOrWhiteSpace(commentIndicator))
{
throw new ArgumentException("Comment indicator can't be null: " + commentIndicator);
}
// only process valid lines
if (!string.IsNullOrWhiteSpace(value))
{
// comment?
if (value.StartsWith(commentIndicator))
{
line = new ConfigLine
{
IsComment = true,
Key = string.Empty,
Value = value.Substring(commentIndicator.Length),
Section = section
};
result = true;
}
else if (value.Contains("="))
{
line = new ConfigLine
{
Key = value.SubstringBeforeChar("="),
Value = value.SubstringAfterChar("="),
Section = section
};
result = true;
}
else
{
line = new ConfigLine
{
Key = value,
Value = string.Empty,
Section = section
};
result = true;
}
}
return result;
}
/// <summary>
/// Tries to parse the given value into a <see cref="ConfigLine"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="line">The line.</param>
/// <param name="commentIndicator">The comment indicator.</param>
/// <param name="section">The section.</param>
/// <returns></returns>
public static bool TryParse(string value, out ConfigLine line, string commentIndicator = "#", string section = "")
{
var result = false;
line = null;
// indicator valid?
if (string.IsNullOrWhiteSpace(commentIndicator))
{
throw new ArgumentException("Comment indicator can't be null: " + commentIndicator);
}
// only process valid lines
if (!string.IsNullOrWhiteSpace(value))
{
// comment?
if (value.StartsWith(commentIndicator))
{
line = new ConfigLine
{
IsComment = true,
Key = string.Empty,
Value = value.Substring(commentIndicator.Length),
Section = section
};
result = true;
}
else if (value.Contains("="))
{
line = new ConfigLine
{
Key = value.SubstringBeforeChar("="),
Value = value.SubstringAfterChar("="),
Section = section
};
result = true;
}
else
{
line = new ConfigLine
{
Key = value,
Value = string.Empty,
Section = section
};
result = true;
}
}
return(result);
}
public void TestParseConfigLineWithNoEqualsInValue()
{
const string input = "test value is here";
ConfigLine line;
ConfigLine.TryParse(input, out line);
Assert.AreEqual("test value is here", line.Key);
Assert.AreEqual("", line.Value);
}
/// <summary>
/// Sets the value.
/// </summary>
/// <param name="section">The section.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
public void SetValue(string section, string key, string value)
{
var line = new ConfigLine
{
Section = section,
Key = key,
Value = value
};
Remove(line);
Lines.Add(line);
}
/// <summary>
/// Removes the specified line.
/// </summary>
/// <param name="line">The line.</param>
private void Remove(ConfigLine line)
{
for (var i = Lines.Count - 1; i >= 0; i--)
{
var candidate = Lines[i];
if (string.Compare(line.Section, candidate.Section, true) == 0 &&
string.Compare(line.Key, candidate.Key, true) == 0)
{
Lines.RemoveAt(i);
}
}
}
public void TestParseConfigLine()
{
const string input = "test=value";
ConfigLine line;
var result = ConfigLine.TryParse(input, out line);
Assert.IsTrue(result);
Assert.AreEqual("test", line.Key);
Assert.AreEqual("value", line.Value);
Assert.IsFalse(line.IsComment);
}
public void TestParseConfigLineWhenAComnentWithDifferentIndicator()
{
const string input = @"//comment";
ConfigLine line;
var result = ConfigLine.TryParse(input, out line, @"//");
Assert.IsTrue(result);
Assert.AreEqual(string.Empty, line.Key);
Assert.AreEqual("comment", line.Value);
Assert.IsTrue(line.IsComment);
}
public void TestParseConfigLineWhenAComnent()
{
const string input = "#comment";
ConfigLine line;
var result = ConfigLine.TryParse(input, out line);
Assert.IsTrue(result);
Assert.AreEqual(string.Empty, line.Key);
Assert.AreEqual("comment", line.Value);
Assert.IsTrue(line.IsComment);
}
/// <summary>
/// Removes the specified line.
/// </summary>
/// <param name="line">The line.</param>
private void Remove(ConfigLine line)
{
for (var i = Lines.Count - 1; i >= 0; i--)
{
var candidate = Lines[i];
if (string.Compare(line.Section, candidate.Section, true) == 0 &&
string.Compare(line.Key, candidate.Key, true) == 0)
{
Lines.RemoveAt(i);
}
}
}
/// <summary>
/// Sets the value.
/// </summary>
/// <param name="section">The section.</param>
/// <param name="key">The key.</param>
/// <param name="value">The value.</param>
public void SetValue(string section, string key, string value)
{
var line = new ConfigLine
{
Section = section,
Key = key,
Value = value
};
Remove(line);
Lines.Add(line);
}
