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API-Less INI File Wrapper

, 5 Nov 2008 CPOL
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Read, Write, Save INI files without using Windows APIs.


Using Windows APIs to read and write (WritePrivateProfileString, GetPrivateProfileString ) INI files is easy, but if you have to get or write data on your app many times, it could cause performance issues because the functions load the INI files on each call.

So, this class will help you managing ini data on memory.


This class does not use the classical INI get or put methods. It loads an INI file on initialize, uses Regular Expressions to parse data, and uses a dictionary for managing section names and data.

Regular Expressions:

static readonly Regex regRemoveEmptyLines =
    new Regex
        RegexOptions.Multiline | RegexOptions.Compiled

static readonly Regex regParseIniData =
    new Regex
        RegexOptions.Compiled | 
        RegexOptions.IgnoreCase | 

Dictionary type:

Dictionary<string, NameValueCollection> data = 
    new Dictionary<string,NameValueCollection>();

Actually, I did not search much to see if there is something like this already. I needed it and I wrote it. And, I thought that someone might find this useful.

Using the code


//Creates an empty ini document, you can add sections,
//keys and values dynamically. And you can save it anytime.
TA_INIDocument ini = new TA_INIDocument();

//Initializes an ini file, you can change its data and save
//it anytime
TA_INIDocument ini = new TA_INIDocument("C:\\sample.ini");

//Initializes an ini file with encoding. Sometimes ini files
//could have unicode data
TA_INIDocument ini = 
    new TA_INIDocument("C:\\sample.ini", Encoding.Unicode);

//Initializes ini data from stream
Stream iniStream;
TA_INIDocument ini = new TA_INIDocument(iniStream);

//Initializes ini data from stream with encoding
Stream iniStream;
TA_INIDocument ini =
    new TA_INIDocument(iniStream, Encoding.Unicode);

Getting and setting values:

TA_INIDocument iniDoc;

//Getting key_value collection of defined section
NameValueCollection keysAndValues = iniDoc["sectionName"];
//Getting string value of defined key and section
string value = iniDoc["sectionName"]["keyName"];
string value = iniDoc["sectionName", "keyName"];
//Setting string value of defined key
iniDoc["sectionName"]["keyName"] = "newValue";
iniDoc["sectionName", "keyName"] = "newValue";
//Getting and Setting object value of defined key and section
object value = iniDoc["sectionName", "keyName", typeof(Int32)];
iniDoc["sectionName", "keyName", typeof(Rectangle)] =
    new Rectangle(0, 0, 200, 300);
//Getting and setting specific type values excepts string
//Primitive Types (included Decimal and DateTime)
//TA_INIDocument.Get{PrimitiveTypeName}(sectionName, keyName, [defaultValue])

bool bValue = 
    iniDoc.GetBoolean("sectionName", "keyName");

bool bValue = 
    iniDoc.GetBoolean("sectionName", "keyName", true);

iniDoc.SetValue("sectionName", "keyName", bValue);

DateTime dtValue = 
    iniDoc.GetDateTime("sectionName", "keyName");

DateTime dtValue = 
    iniDoc.GetDateTime("sectionName", "keyName", DateTime.MaxValue);

iniDoc.SetValue("sectionName", "keyName", dtValue);
//Other types (required that the type has TypeConverterAttribute)
//TA_INIDocument.GetValue<T>(sectionName, keyName, [T:defaultValue])

Rectangle rtValue =
    iniDoc.GetValue<Rectangle>("sectionName", "keyName");

Rectangle rtValue =
    iniDoc.GetValue<Rectangle>("sectionName", "keyName", Rectangle.Empty);

iniDoc.SetValue("sectionName", "keyName", rtValue);

Helper functions:

//Helper Properties and Functions
TA_INIDocument iniDoc;
//Getting All Section Names
string[] sectionNames = iniDoc.SectionNames;
//Getting All Key Names of a Section
string[] keyNames = iniDoc.KeyNames("sectionName");
//Getting All Values of a Section
string[] allValues = iniDoc.SectionValues("sectionName");
//Check if section name exits
if (iniDoc.HasSection("sectionName"))
//Check if key name exits of specified section
if (iniDoc.HasKey("sectionName", "keyName"))

Saving all:

//Saving all data
TA_INIDocument iniDoc;
Stream iniStream;

iniDoc.Save(iniStream, Encoding.Unicode);
iniDoc.Save("C:\\sample.ini", Encoding.Unicode);


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

Questiongreat code !!! But.... PinmemberChristianGeiger13-Nov-13 3:03 
GeneralMy vote of 5 PinmemberChristianGeiger7-Nov-13 4:12 
BugCan not load a key that its value contain '=' PinmemberBehzad Ebrahimi17-Apr-12 6:22 
GeneralMinor changes to get it work PinmemberMember 46632441-Jun-09 23:13 
GeneralSection Name Casing Bug PinmemberPaul E. Bible1-Dec-08 8:39 
There is a bug in your class. Given the following INI file:
The following code will always return the default value:
int minValue = ini.GetValue("Limits", "Min", 0);
The value of minValue will always be 0 because you're loading the INI file using the ToLowerInvariant, but you're not taking the ToLowerInvariant when comparing the section names in GetValue(). The GetValue() is looking for "limits", not "Limits".
GeneralRe: Section Name Casing Bug PinmemberTolgahan ALBAYRAK1-Dec-08 11:56 
GeneralSuperb !!! Pinmemberashu fouzdar12-Nov-08 20:37 
GeneralVery Nice PinmemberPaul Conrad12-Nov-08 12:11 
GeneralRe: Very Nice PinmemberTolgahan ALBAYRAK12-Nov-08 23:44 
Generalcong.!! PinmemberMember 413265010-Nov-08 13:04 
GeneralRe: cong.!! PinmemberTolgahan ALBAYRAK10-Nov-08 13:21 
GeneralTerminal Services and Performance PinmemberMember 214447310-Nov-08 11:37 
GeneralRe: Terminal Services and Performance PinmemberTolgahan ALBAYRAK10-Nov-08 12:18 
QuestionPurpose? PinmemberDenis Vuyka10-Nov-08 9:43 
AnswerRe: Purpose? PinmemberTolgahan ALBAYRAK10-Nov-08 11:22 
GeneralRe: Purpose? PinmemberDenis Vuyka10-Nov-08 22:06 
GeneralRe: Purpose? PinmemberTolgahan ALBAYRAK10-Nov-08 22:56 
Generalregular expressions PinmemberE. del Ayre9-Nov-08 21:31 
GeneralRe: regular expressions PinmemberTolgahan ALBAYRAK10-Nov-08 10:31 
QuestionPerformance comparison -- benchmark app? Pinmemberbolivar1237-Nov-08 5:00 
AnswerRe: Performance comparison -- benchmark app? PinmemberTolgahan ALBAYRAK7-Nov-08 7:54 
GeneralRe: Performance comparison -- benchmark app? PinmvpJohn Simmons / outlaw programmer8-Nov-08 2:52 
GeneralRe: Performance comparison -- benchmark app? PinmemberTolgahan ALBAYRAK8-Nov-08 3:47 
GeneralRe: Performance comparison -- benchmark app? Pinmember Randor 14-Nov-08 9:22 

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