Ruby Developers Guide

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ISBN: 9781928994640 | 1928994644
Cover: Paperback
Copyright: 3/8/2002

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An expert guide to Ruby, a popular new Object-Oriented Programming Language Ruby is quickly becoming a favourite among developers who need a simple, straight forward, portable programming language. Ruby is ideal for quick and easy object-oriented programming such as processing text files or performing system management. Having been compared with other programming languages such as Perl, Python, PCL, Java, Eiffel, and C++; Ruby is popular because of its straight forward syntax and transparent semantics. Using step-by-step examples and real world applications, the Ruby Developer's Guide is designed for programmers and developer's looking to embrace the object-oriented features and functionality of this robust programming language. Readers will learn how to develop, implement, organize and deploy applications using Ruby. Ruby is currently experiencing a rapid rise in popularity in the object-oriented programming community Readers receive up-to-the minute links, white papers, and analysis for two years at solutions@syngress.com Comes with a wallet-sized CD containing a printable HTML version of the book, all of the source code examples and demos of popular Ruby third-party programming tools and applications

Foreword

xxiii

Booting Ruby

(42)

Introduction

(1)

An Overview of Ruby

(1)

Installing Ruby and its Tools

(19)

Installing Ruby on Unix

(1)

Installing Ruby from Source Code

(2)

Installing from Packages

(1)

Installing Ruby on a Windows System

(1)

Installing Application and Libraries from RAA

(2)

IDE and Editor Support in Ruby

(1)

Emacs

(1)

VIM

(1)

Other Editors

(1)

Ruby Win

(1)

Ruby Development Environment (RDE)

(1)

Additional Tools a Rubyist Must Have

(1)

Ruby Interactive (Ri)

(1)

Interactive Ruby (IRb)

(2)

Debugging Ruby Applications with debug.rb

(5)

A Short Syntax Style Guide

(3)

Using Comments

(1)

Naming

(1)

Iterators

(1)

Indentation, Spacing, Parentheses

(1)

Dangerous Ruby

(1)

Local Variables versus Methods

(1)

More Whitespace Issues

(1)

Block Local Variables

(1)

Comparing Ruby

(11)

Java

(6)

Perl

(1)

Language Constructs

(1)

Object-Oriented Programming

(1)

Access Control

(1)

Arrays and Hashes

(1)

Hashes

(1)

Iterators

(1)

Convincing Management to Use Ruby

(2)

Summary

(1)

Solutions Fast Track

(2)

Frequently Asked Questions

(2)

GUI Toolkits for Ruby

(92)

Introduction

(2)

Using this Book's Sample Applications

(1)

Using the Standard Ruby GUI: Tk

(22)

Obtaining Tk

(1)

Ruby/Tk Basics

(1)

Creating Responses to Tk's Callbacks and Events

(2)

Working with Ruby/Tk's Layout Managers

(4)

Ruby/Tk Sample Application

(13)

Using the SpecTcl GUI Builder

(1)

Obtaining Tk Extensions: Tix and BLT

(1)

Using the GTK+ Toolkit

(22)

Obtaining Ruby/GTK

(1)

Ruby/GTK Basics

(1)

Programming Signals and Signal Handlers

(1)

Working with Ruby/GTK's Layout Managers

(4)

Ruby/GTK Sample Application

(11)

Using the Glade GUI Builder

(3)

Using the FOX Toolkit

(21)

Obtaining FOX and FXRuby

(1)

FXRuby Basics

(2)

Targets and Messages

(2)

Working with FOX's Layout Managers

(4)

Fox Sample Application

(12)

Using the SWin/VRuby Extensions

111

(16)

Obtaining SWin and VRuby

112

(1)

VRuby Library Basics

112

(4)

Layout Managers

116

(2)

Event Handling

118

(2)

VRuby Sample Application

120

(7)

Other GUI Toolkits

127

(1)

Choosing a GUI Toolkit

128

(1)

Summary

129

(1)

Solutions Fast Track

130

(2)

Frequently Asked Questions

132

(3)

Accessing Databases with Ruby

135

(76)

Introduction

136

(1)

Accessing Databases with Ruby/DBI

136

(54)

Obtaining and Installing Ruby/DBI

140

(1)

Programming with Ruby/DBI

141

(2)

Understanding Ruby/DBI Architecture and Terminology

143

(1)

Connecting to Databases

144

(2)

Using Driver URLs and Datasource Names

146

(2)

Preparing and Executing SQL Statements

148

(8)

Fetching the Result

156

(6)

Performing Transactions

162

(2)

Handling Errors

164

(2)

Tracing the Execution of DBI Applications

166

(3)

Accessing Metadata

169

(2)

Using Driver-specific Functions and Attributes

171

(3)

Accessing Databases Remotely Using DBD::Proxy

174

(1)

Copying Table Data between Different Databases

175

(1)

Getting Binary Objects Out of a Database

176

(3)

Transforming SQL-query Results to XML

179

(11)

Accessing Databases with Ruby/ODBC

190

(5)

Accessing LDAP Directories with Ruby/LDAP

195

(4)

Using Ruby/LDAP

195

(1)

Adding an LDAP Entry

196

(1)

Modifying an LDAP Entry

196

(1)

Deleting an LDAP Entry

197

(1)

Modifying the Distinguished Name

197

(1)

Performing a Search

197

(2)

Handling Errors

199

(1)

Utilizing Other Storage Solutions

199

(9)

Reading and Writing Comma-Separated Value Files

199

(1)

Using Berkeley DBM-file Databases

200

(1)

Using the Berkeley DB Interface BDB

201

(4)

Storing Ruby Objects in a Relational Database

205

(3)

Summary

208

(1)

Solutions Fast Track

208

(1)

Frequently Asked Questions

209

(2)

XML and Ruby

211

(50)

Introduction

212

(1)

Why XML?

212

(6)

Making XML Manageable

214

(1)

Validation though DTD

214

(2)

Validating With XML-Schemas

216

(2)

XPath

218

(1)

XML Parser Architectures and APIs

218

(3)

Parsing and Creating XML in Ruby

221

(33)

Shared Code for Examples

228

(1)

Defining and Implementing Classes Host and Port

229

(1)

Defining and Implementing the Report Class

230

(4)

Using XMLParser

234

(1)

Installing XMLParser on Unix

234

(6)

Using NQXML

240

(1)

Installing NQXML

241

(10)

Using REXML

251

(3)

Using XSLT in Ruby

254

(2)

Ruby-Sablotron

254

(1)

XSLT4R

254

(2)

Summary

256

(1)

Solutions Fast Track

257

(1)

Frequently Asked Questions

258

(3)

Web Services and Distributed Ruby

261

(78)

Introduction

262

(1)

Using XML-RPC for Ruby

262

(22)

Obtaining and Installing xmlrpc4r

263

(1)

Configuring xmlrpc4r

263

(1)

Writing XML-RPC Clients

264

(4)

Using the MultiCall Extension

268

(1)

Introspecting XML-RPC Servers

268

(2)

Writing XML-RPC Servers

270

(4)

Project: A File Upload Service

274

(2)

XML-RPC Datatypes

276

(2)

User-defined Datatypes

278

(1)

Dumping and Loading XML-RPC Messages

278

(1)

Communicating with Python's xmlrpclib

279

(1)

Securing XML-RPC Services

280

(1)

Client-side Support

280

(1)

Server-side Support

281

(1)

Performance Comparisons

281

(3)

Using SOAP for Ruby

284

(37)

Obtaining and Installing SOAP4R

286

(1)

Writing SOAP4R Client and Server Applications

286

(2)

Choosing an XML Parser

288

(1)

Writing SOAP4R Clients

289

(9)

Writing SOAP4R Services

298

(5)

SOAP Datatypes and Type-Conversion

303

(3)

Creating Multi-dimensional or Typed SOAP Arrays

306

(1)

Creating User-defined Datatypes

306

(2)

Changing the Default Type-Mapping

308

(2)

Using SOAP as Marshalling Format

310

(3)

Project: A SOAP Authentification Server

313

(8)

Using Distributed Ruby

321

(15)

A Name Server for DRb

324

(1)

Using DRb to Speed Up CGI Scripts

325

(3)

Using Rinda and Distributed TupleSpaces

328

(3)

Load-Balancing

331

(2)

Security Considerations

333

(3)

Summary

336

(1)

Solutions Fast Track

336

(1)

Frequently Asked Questions

337

(2)

WWW and Networking with Ruby

339

(84)

Introduction

340

(1)

Connecting to the Web with Ruby

340

(15)

Low-Level Functions: The Socket Class

340

(1)

High-Level Functions: The Net Class

341

(1)

POP/SMTP

341

(1)

HTTP

342

(1)

FTP

342

(2)

Telnet

344

(1)

Writing a Server in Ruby

345

(1)

Models of Server Architectures

345

(2)

Basic Web Servers Using Ruby

347

(8)

Using Ruby on the Web

355

(6)

Generating HTML with Ruby

356

(1)

Ruby HTML Code Generation

356

(1)

Ruby CGI HTML Generation

357

(1)

Scripting With Ruby Using eruby and ERb

358

(1)

Templating With Ruby

359

(1)

Using the HTML/Template Extension

359

(2)

Using Ruby-tmpl

361

(1)

Putting It All Together

361

(1)

Implementing an Online Shopping Application

361

(22)

Designing the Data Model

362

(4)

The Database Access Layer

366

(3)

Initializing the Database

369

(3)

Developing the Web Interface

372

(7)

Improving the Online Shop

379

(4)

Using mod ruby and eruby

383

(17)

Installing and Configuring mod_ruby

384

(2)

Using mod ruby and eruby in the Online Shop Example

386

(9)

Dynamically Generating XML with eruby

395

(1)

Displaying RSS News Channels

396

(4)

Installing and Configuring IOWA

400

(20)

Using IOWA for the Online Shop Example

404

(6)

Implementing a TreeView Component

410

(10)

Summary

420

(1)

Solutions Fast Track

420

(2)

Frequently Asked Questions

422

(1)

Miscellaneous Libraries and Tools

423

(92)

Introduction

424

(1)

Graphics Programming in Ruby

424

(18)

Using OpenGL in Ruby

425

(1)

Defining the Goal and the Strategy

425

(1)

Starting with a Sample Program

425

(9)

Creating Multiple Curves

434

(7)

Generating Diagrams with GD::Graph

441

(1)

Mathematical Programming in Ruby

442

(18)

Using the NArray Library

442

(5)

Using the BigFloat Library

447

(1)

Using the Polynomial Library

448

(6)

Using the Algebra Extension

454

(1)

Working with Polynomials

454

(1)

Working with Matrices

455

(5)

Exploring C/S Data-Structure Tools

460

(7)

Using the BinaryTree Extension

460

(4)

Using the BitVector Extension

464

(3)

Using Random Numbers, Genetic Algorithms, and Neural Nets

467

(15)

Working with a Random-Number Generator

467

(1)

Genetic Programming in Ruby

468

(7)

Neural Nets

475

(7)

Working with Ruby and Windows

482

(6)

Using ActiveScript in Ruby

482

(2)

Using WinOLE in Ruby

484

(4)

Using OOP-Related Tools

488

(5)

Using the EachDelegator Library

488

(1)

Using the Preserved, Forwardable, and Finalize Modules

489

(4)

Using Text-Processing, Date, and Calendar Tools

493

(5)

Using the Soundex Extension

493

(1)

Using the Date2 and Date3 Extensions

494

(2)

Using the Calendar Extension

496

(2)

Using Language Bindings

498

(13)

Using JRuby

498

(1)

Ruby Calling Java

499

(4)

Java Calling Ruby

503

(4)

Using the Ruby/Python Extension

507

(4)

Summary

511

(1)

Solutions Fast Track

511

(2)

Frequently Asked Questions

513

(2)

Profiling and Performance Tuning

515

(54)

Introduction

516

(1)

Analyzing the Complexity of Algorithms

517

(8)

Comparing Algorithms

520

(2)

The Different ``Ordos''

522

(1)

Average and Worst-case Complexity

523

(2)

Improving Performance by Profiling

525

(19)

Profiling Using profile.rb

529

(2)

How the Standard Profiler Works

531

(2)

Drawbacks with the Standard Profiler

533

(1)

Profiling Using RbProf in AspectR

533

(6)

Understanding AOP and AspectR

539

(1)

Using AspectR

540

(2)

How AspectR Works

542

(1)

Comparing AspectR and AspectJ

543

(1)

Comparing the Speed of Ruby Constructs

544

(14)

Adding Elements to Arrays

546

(3)

Concatenating Strings

549

(2)

Predeclaring Variables

551

(1)

Iterating Over Array Elements

552

(1)

Iterating Over Array Elements with an Index

553

(1)

Destructive versus Non-destructive Methods

554

(1)

Accessing the First Array Element

555

(1)

Creating Arrays and Hashes

556

(1)

Calling Methods and Proc Objects

557

(1)

Further Performance Enhancements

558

(7)

Caching Results

558

(2)

When Not To Use Result Caching

560

(1)

How Memoize Works

561

(1)

Disabling the Garbage Collector

561

(2)

Writing a C Extension

563

(2)

Summary

565

(1)

Solutions Fast Track

566

(1)

Frequently Asked Questions

567

(2)

Parser Generators

569

(44)

Introduction

570

(1)

Creating the Parsing Library of your Dreams

571

(10)

Why Not Use Regexps?

576

(1)

Representing Recovered Structures with Abstract Syntax Trees

577

(4)

Parsing in Ruby with Rockit

581

(29)

Deviations from Parsing Library of Our Dreams

582

(5)

Using Rockit as a Parser Generator

587

(2)

Case-Insensitive Parsing

589

(1)

Customizing Your Parser

589

(1)

Parser Generators

590

(1)

Parser Combinators

591

(2)

Parser Transformers

593

(2)

Error-related Building Blocks

595

(1)

Parsing in Ruby with Racc

596

(3)

Writing the Grammar Rules

599

(1)

Writing a Lexical Analyzer for Use with Racc

600

(5)

Invoking the Racc Command Line Tool

605

(1)

Building Abstract Syntax Trees with Racc-generated Parsers

606

(3)

Comparing Racc and Rockit

609

(1)

Summary

610

(1)

Solutions Fast Track

610

(1)

Frequently Asked Questions

611

(2)

Extending and Embedding Ruby

613

(64)

Introduction

614

(1)

Writing C/C++ Extensions

615

(43)

Working with Datatype Conversions

618

(1)

Working with Objects

618

(1)

Working with Numbers

619

(1)

Working with Strings

620

(3)

Working with Arrays

623

(4)

Working with Hashes

627

(1)

Working with C/C++ Data Wrappers

627

(5)

Implementing Methods

632

(3)

An Example: K-D Trees

635

(1)

Ruby Implementation of the K-D Tree

636

(20)

Compiling the C Implementation of the K-D Tree

656

(1)

Comparing the Results

657

(1)

Using SWIG

658

(8)

A Simple SWIG Example in C

658

(3)

Using SWIG With C++

661

(5)

Choosing SWIG

666

(1)

Embedding Ruby

666

(5)

Configuring Extensions with Mkmf

671

(3)

Summary

674

(1)

Solutions Fast Track

674

(2)

Frequently Asked Questions

676

(1)

Index

677

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Ruby Developers Guide

Summary

Table of Contents

Supplemental Materials

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Ruby Developers Guide

Summary

Table of Contents

Supplemental Materials

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