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在这个漫天都是XML配置文件飞的年代很难在找我们这些还喜欢用INI/INF/CFG配置文件的人了
有时候真觉得让人感伤XML的性能是无法比拟INI配置文件的 但XML的树形结构直观可析 不过其
实INI配置文件同样可以建立为树形结构本身它便是树形结构 有人可能说INI不安全 那么我请问你
XML又安全在哪里了呢 还不是一个鬼样 XML除结构清晰层次分明 但在性能上它与INI比不占优势
推崇它可以 但别把它和INI结构配置文件进行比较 它们本身就是不一样的东西
下面的代码按照.Net的风格编写的一套INI配置文件类 想必大家应该可以轻松上手 函数名你会发
现会有些XmlDocument的命名然而它们的用法本质都一样 Load加载 / Save 保存
转自：http://blog.csdn.net/u012395622/article/details/46388709
using System;
using System.Collections;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
namespace Configuration
{
internal class Win32Native
{
[DllImport("Kernel32.dll", EntryPoint = "GetPrivateProfileSectionNamesA")]
public static extern int GetPrivateProfileSectionNames([Out, MarshalAs(UnmanagedType.LPArray)] char[] lpszReturnBuffer, int nSize, [In, MarshalAs(UnmanagedType.LPStr)] string lpFileName);
[DllImport("Kernel32.dll", EntryPoint = "GetPrivateProfileSectionA")]
public static extern int GetPrivateProfileSection(string lpAppName, [MarshalAs(UnmanagedType.VBByRefStr)]ref string lpReturnedString, int nSize, string lpFileName);
[DllImport("Kernel32.dll", EntryPoint = "WritePrivateProfileStringA")]
public static extern int WritePrivateProfileString(string section, string key, string value, string files);
}
public class Profile // ini
{
public string FileName
{
get;
set;
}
public Profile()
{
this.Sections = new SectionCollection(this);
}
public Profile(string filename) : this()
{
this.FileName = filename;
}
public void Load()
{
int len; char[] buffer;
if ((len = this.Length) > 0)
{
buffer = new char[len];
if ((len = Win32Native.GetPrivateProfileSectionNames(buffer, len, this.FileName)) > 0)
{
unsafe
{
fixed (char* str = buffer)
{
char* ptr = str; int index = 0, last = 0;
while (index < len)
{
if (*ptr++ == '\0')
{
int size = index - last;
char[] name = new char[size];
Array.Copy(buffer, last, name, 0, size);
this.Sections.Add(name);
last = index + 1;
}
index++;
}
}
}
}
}
}
public bool Create()
{
try
{
Stream stream = null;
try
{
stream = File.Create(this.FileName);
}
finally
{
if (stream != null)
stream.Dispose();
}
return true;
}
catch
{
return false;
}
}
public void Save()
{
this.Delete(); this.Create(); int[] len = new int[2];
if ((len[0] = Sections.Count) > 0)
for (int i = 0; i < len[0]; i++)
{
Section section = this.Sections[i];
if (section != null && (len[1] = section.Keys.Count) > 0)
{
for (int j = 0; j < len[1]; j++)
{
Key key = section.Keys[j];
if (section != null)
Win32Native.WritePrivateProfileString(section.Name, key.Name, key.Value, this.FileName);
}
}
}
}
public bool Delete()
{
try
{
if (File.Exists(this.FileName))
File.Delete(this.FileName);
return true;
}
catch
{
return false;
}
}
public SectionCollection Sections // app name.
{
get;
set;
}
public int Length
{
get
{
if (File.Exists(this.FileName))
{
FileInfo f_info = new FileInfo(this.FileName);
return (int)f_info.Length;
}
return 0;
}
}
}
public class SectionCollection
{
private ArrayList m_items = new ArrayList();
public Profile Profile
{
get;
set;
}
public Section Add(string name)
{
Section section = new Section(this.Profile);
section.Name = name;
section.Load();
return this.Add(section);
}
public Section Add(Section section)
{
this.m_items.Add(section);
return section;
}
public Section Add(char[] name)
{
return this.Add(new string(name));
}
public SectionCollection(Profile profile)
{
this.Profile = profile;
}
public int IndexOf(Section section, int startIndex)
{
return this.m_items.IndexOf(section, startIndex);
}
public int IndexOf(Section section)
{
return this.m_items.IndexOf(section);
}
public int LastIndexOf(Section section, int startIndex)
{
return this.m_items.LastIndexOf(section, startIndex);
}
public int LastIndexOf(Section section)
{
return this.m_items.LastIndexOf(section);
}
public void Remove(Section section)
{
this.m_items.Remove(section);
}
public void RemoveAt(int index)
{
this.m_items.Remove(index);
}
public void RemoveRange(int index, int count)
{
this.m_items.RemoveRange(index, count);
}
public void RemoveAll()
{
while (this.Count > 0)
this.RemoveAt(0);
}
public void Insert(int index, Section section)
{
this.m_items.Insert(index, section);
}
public void InsertRange(int index, ICollection c)
{
this.m_items.InsertRange(index, c);
}
public int Count
{
get
{
return this.m_items.Count;
}
}
public Section this[int index]
{
get
{
if (index < this.Count && index > -1)
return this.m_items[index] as Section;
return null;
}
}
}
public class Section // 节
{
public string Name
{
get;
set;
}
public Section()
{
this.Keys = new KeyCollection();
}
public Profile Profile
{
get;
set;
}
public Section(Profile profile) : this()
{
this.Profile = profile;
}
public void Load()
{
if (File.Exists(this.Profile.FileName))
{
int i, len;
if ((len = this.Profile.Length) > 0)
{
string buffer = new string('\0', len);
if (Win32Native.GetPrivateProfileSection(this.Name, ref buffer, len, this.Profile.FileName) > 0)
{
string[] items = buffer.Split('\0');
foreach (string str in items)
if (str.Length > 0 && (i = str.IndexOf('=')) > -1)
this.Keys.Add(str.Substring(0, i), str.Substring(i + 1));
}
}
}
}
public KeyCollection Keys
{
get;
set;
}
}
public class KeyCollection
{
private ArrayList m_items = new ArrayList();
public Key Add(string key, string value)
{
return this.Add(new Key() { Name = key, Value = value });
}
public Key Add(Key key)
{
this.m_items.Add(key);
return key;
}
public Key Add(char[] key, char[] value)
{
return this.Add(new string(key), new string(value));
}
public int IndexOf(Key key, int startIndex)
{
return this.m_items.IndexOf(key, startIndex);
}
public int IndexOf(Key key)
{
return this.m_items.IndexOf(key);
}
public int LastIndexOf(Key key, int startIndex)
{
return this.m_items.LastIndexOf(key, startIndex);
}
public int LastIndexOf(Key key)
{
return this.m_items.LastIndexOf(key);
}
public void Remove(Key key)
{
this.m_items.Remove(key);
}
public void RemoveAt(int index)
{
this.m_items.Remove(index);
}
public void RemoveRange(int index, int count)
{
this.m_items.RemoveRange(index, count);
}
public void RemoveAll()
{
while (this.Count > 0)
this.RemoveAt(0);
}
public void Insert(int index, Key section)
{
this.m_items.Insert(index, section);
}
public void InsertRange(int index, ICollection c)
{
this.m_items.InsertRange(index, c);
}
public int Count
{
get
{
return this.m_items.Count;
}
}
public Key this[int index]
{
get
{
if (index < this.Count && index > -1)
return this.m_items[index] as Key;
return null;
}
}
}
public class Key
{
public string Name
{
get;
set;
}
public string Value
{
get;
set;
}
}
}
转自：http://blog.csdn.net/u012395622/article/details/46388709