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TMongoWire

A Delphi driver to access a mongoDB server.
It maps variables onto Delphi variables of type OleVariant, which resembles the loose typing of JavaScript a lot.
There are two main units and three main object to enable access to a mongo DB server:

bsonDoc.pas
TBSONDocument = class(TInterfacedObject, IBSONDocument, IPersistStream)

Holds the data of a 'document', the basic unit mongoDB works with.
Implements an IBSONDocument interface which allows it to be referenced by an OeVariant variable, and this embedded documents.
Implements the IPersistStream to enable loading from and saving to BSON, the internal binary storage specification used by mongoDB.

function BSON:IBSONDocument; overload;
function BSON(x:array of OleVariant):IBSONDocument; overload;

Creates a BSON document object ready for use.
Optionally pass a sequence of key-value pairs, e.g.: BSON(['x',5,'y',7]);
Use '[' and ']' to created embedded documents, e.g.: BSON(['x','[','$gt',7,']']);

mongoWire.pas
TMongoWire=class(TObject)

A connection to a mongoDB server. Supports getting single items, performing inserts, updates and deletes.

TMongoWireQuery=class(TBSONDocumentsEnumerator)

A query to a mongoDB server, handles the cursor and subsequent requests to the server to get more data when needed.

Additional tools

bsonUtils.pas
function BsonToJson(Doc:IBSONDocument):WideString;
    Converts a BSON document into a JSON string.
function JsonToBson(jsonData:WideString):IBSONDocument;
    Converts a JSON string into a BSON document.
procedure JsonIntoBson(jsonData:WideString;doc:IBSONDocument); overload;
    Parses a JSON string and adds any keys to an existing BSON document, overwriting the value if a key already exists.
procedure JsonIntoBson(jsonData:WideString;doc:IBSONDocument;var EndIndex:integer); overload;
    Parses only the first JSON object from a string into an existing BSON document, and returns the index into the string where the JSON object ends.
    Use this method to iterate over a list of JSON strings. (See also IBSONDocument.Clear)

location: freeware
url: https://github.com/stijnsanders/TMongoWire
created: 2/12/2010 10:05:35 « modified: 24/06/2012 21:39:02 (diff) weight: 0

children, tokens, references comments (5)

up down edit del created: 2/12/2010 10:06:20 « modified: 2/12/2010 10:06:20 weight: 0
(friendly-url) up down edit del created: 14/12/2010 15:23:21 « modified: 14/12/2010 15:23:21 weight: 0
(TMongoWire)

see also -- JSON edit del created: 24/06/2012 21:40:28 « modified: 24/06/2012 21:40:28 weight: 0
see also -- BSON edit del created: 24/06/2012 21:40:40 « modified: 24/06/2012 21:40:40 weight: 0
see also -- mongoDB edit del created: 24/06/2012 21:42:15 « modified: 24/06/2012 21:42:15 weight: 0

>=, <= operators created: 2/02/2012 14:02:01 « modified: 2/02/2012 21:31:28 weight: -100
BSON and arrays created: 8/07/2012 7:50:12 « modified: 8/07/2012 7:50:12 weight: -100