/// <summary>
/// IniFileSectionCollection オブジェクトへセクションを追加する。
/// </summary>
/// <param name="dest">IniFileSectionCollection オブジェクト。</param>
/// <param name="lineNumber">行番号。</param>
/// <param name="sectionName">セクション名。</param>
private static void AddSection(
IniSectionCollection dest,
int lineNumber,
string sectionName)
{
Debug.Assert(dest != null);
IniSection section = null;
try
{
section = new IniSection(sectionName);
}
catch (Exception ex)
{
throw new IniFormatException(lineNumber, @"Invalid section name.", ex);
}
try
{
dest.Add(section);
}
catch (Exception ex)
{
throw new IniFormatException(
lineNumber,
@"The section name (""" + section.Name + @""") is duplicated.",
ex);
}
}
/// <summary>
/// IniFileSectionCollection オブジェクトの末尾セクションへアイテムを追加する。
/// </summary>
/// <param name="dest">IniFileSectionCollection オブジェクト。</param>
/// <param name="lineNumber">行番号。</param>
/// <param name="name">名前。</param>
/// <param name="value">値。</param>
private static void AddItemToLastSection(
IniSectionCollection dest,
int lineNumber,
string name,
string value)
{
Debug.Assert(dest != null && dest.Count > 0);
var section = dest[dest.Count - 1];
IniItem item = null;
try
{
item = new IniItem(name);
}
catch (Exception ex)
{
throw new IniFormatException(
lineNumber,
@"The name of the item (in the section """ +
section.Name +
@""") is invalid.",
ex);
}
try
{
item.Value = value;
}
catch (Exception ex)
{
throw new IniFormatException(
lineNumber,
@"The value of the item (""" +
item.Name +
@""" in the section """ +
section.Name +
@""") is invalid.",
ex);
}
try
{
section.Items.Add(item);
}
catch (Exception ex)
{
throw new IniFormatException(
lineNumber,
@"The item name (""" +
item.Name +
@""" in the section """ +
section.Name +
@""") is duplicated.",
ex);
}
}
/// <summary>
/// INIファイル形式文字列を IniFileSectionCollection オブジェクトへパースする。
/// </summary>
/// <param name="iniString">INIファイル形式文字列。</param>
/// <param name="strict">厳格な形式チェックを行うならば true 。</param>
/// <returns>IniFileSectionCollection オブジェクト。</returns>
public static IniSectionCollection Parse(
string iniString,
bool strict = false)
{
ArgumentValidation.IsNotNull(iniString, nameof(iniString));
var ini = new IniSectionCollection();
int lineNumber = 0;
foreach (var line in ReadLines(iniString))
{
++lineNumber;
var trimmedLine = line.Trim();
if (trimmedLine.Length == 0 || trimmedLine[0] == ';')
{
continue;
}
if (trimmedLine[0] == '[')
{
if (trimmedLine[trimmedLine.Length - 1] == ']')
{
var sectionName = trimmedLine.Substring(1, trimmedLine.Length - 2);
AddSection(ini, lineNumber, sectionName);
}
else if (strict)
{
throw new IniFormatException(lineNumber, @"Invalid section format.");
}
continue;
}
var eqIndex = line.IndexOf('=');
if (eqIndex < 0)
{
if (strict)
{
throw new IniFormatException(lineNumber, @"Invalid line.");
}
continue;
}
if (ini.Count <= 0)
{
if (strict)
{
throw new IniFormatException(
lineNumber,
@"The item is found before a section.");
}
continue;
}
var name = line.Substring(0, eqIndex);
var value = line.Substring(eqIndex + 1);
AddItemToLastSection(ini, lineNumber, name, value);
}
return(ini);
}