Early Adopter Curl

by Gordon, Michael; Ullman, Chris; Joly, James; Kranz, David; Maharry, Dan; Metzger, Paul J.

• ISBN13: 9781861005977
• ISBN10: 1861005970
• Edition: 1st
• Format: Trade Paper
• Copyright: 2001-09-01
• Publisher: Springer-Verlag New York Inc

Summary

Curl is a brand new language for the Web. It is a simple, easy to learn and effective object oriented programming language for creating client-side web programs. This is the first book on the market to explain the advantages of using Curl and give programmers a chance to evaluate this new technology.

Table of Contents

Foreword	p. 1
Introduction to Curl Technology	p. 3
The Development of the Client-Side Web	p. 3
The Curl Content Language	p. 5
Presentation Level	p. 5
Scripting Level	p. 5
Object-Oriented Programming	p. 5
Packaging and Security of Curl Content	p. 6
Creating and Running Your First Curl Applet	p. 6
Curl and Other Languages	p. 7
Curl and HTML/CSS	p. 7
Curl and JavaScript/VBScript/JScript	p. 7
Curl and Java/C++	p. 8
Curl and Server-Side Languages (ASP, PHP, JSP)	p. 9
What makes Curl Different?	p. 10
What Can I do with Curl?	p. 10
Applets - Full-Page and Embedded	p. 11
Pre-Processed Curl	p. 11
Future Plans	p. 11
Licensing Curl Technology	p. 12
Curl Logging	p. 12
A Tour of Surge Lab v1.0	p. 15
Is It Working?	p. 16
Logging Commercial Applets	p. 16
Surge Lab	p. 17
Documentation	p. 17
The Developer's Guide	p. 17
The Developer's Reference	p. 18
Writing and Debugging Code	p. 18
The Project Pane - Creating a Project File	p. 19
The Editor Pane - Using the Editor	p. 19
Debugging Code	p. 21
The Output Pane	p. 23
The Inspector	p. 23
Deploying Your Project	p. 24
The Curl Control Panel	p. 24
Privileged Locations	p. 24
Preferences	p. 25
Debugging Options	p. 25
Summary	p. 25
Curl as HTML/CSS	p. 27
Curl Expressions	p. 27
Displaying Text	p. 28
Core Formats	p. 29
Reserved Characters	p. 30
Comments	p. 30
Verbatim Strings	p. 31
Text Formatting	p. 32
Character Options	p. 32
Character Formats	p. 33
Special Characters	p. 35
Line Breaks	p. 35
Paragraph Formatting	p. 36
Paragraph Options	p. 36
Paragraph Formats	p. 37
Table Text Formats	p. 45
Table Text Options	p. 47
Special Text Formats	p. 48
Title	p. 48
Image	p. 49
Link and Destination	p. 50
The H-rule Format	p. 52
HTML-Like Layout Items	p. 53
Frames	p. 53
The Frame Object	p. 53
Forms	p. 55
List Controls	p. 55
ListBox	p. 55
Button Controls	p. 57
Text Controls	p. 57
Defining Your Own Styles	p. 57
Defining Text Formats	p. 57
Separating Code from Content	p. 59
Defining Text Procedures	p. 60
Summary	p. 61
Curl Syntax	p. 63
What We Know So Far	p. 63
Types	p. 65
Primitive Types	p. 65
Operators	p. 65
Variable Creation and Initialization	p. 67
The any Type	p. 68
Assigning New Values to Variables	p. 69
Quantities	p. 71
Quantities and Operators	p. 72
Characters are in Unicode	p. 73
Constants	p. 74
Is Everything an Object Really?	p. 75
Memory Management	p. 75
Top-level Expressions vs. Code Blocks	p. 75
Program Control	p. 77
The if Expression	p. 77
The unless Expression	p. 78
The switch Expression	p. 79
The type-switch Expression	p. 80
The for Expression	p. 80
Iterating Over Ranges	p. 80
Iterating Over Collections	p. 81
The while Expression	p. 82
The until Expression	p. 82
The break and continue Expressions	p. 82
Using Tagged Loops	p. 83
Calling Procedures	p. 84
Top-Level Procedures	p. 84
Anonymous Procedures	p. 86
Packages	p. 87
Subsidiary Files	p. 89
Super Packages	p. 89
Using Packages	p. 89
Summary	p. 91
Object-Oriented Programming	p. 93
Enumerations	p. 93
Classes	p. 94
Accessors	p. 96
The self Reference	p. 97
Options	p. 97
Constructors	p. 98
Class Variables and Procedures	p. 99
Factories	p. 101
Inheritance	p. 102
Multiple Inheritance and Shared Classes	p. 103
Secondary Constructors	p. 103
Using Superclass References	p. 104
Accessing Superclass Members	p. 104
Calling Superclass Constructors	p. 105
Protected Access	p. 106
Casting	p. 106
Overriding Superclass Methods	p. 107
Abstract Classes and Methods	p. 108
Preventing Derivation	p. 109
Parameterized Classes	p. 109
The Object Class	p. 110
Collections	p. 110
Sets	p. 111
Hash Tables	p. 112
Arrays	p. 113
Fast Arrays	p. 115
Multidimensional Arrays	p. 115
Handling Errors	p. 115
Built-in Exceptions Classes	p. 117
Creating Your Own Exception Classes	p. 118
Errors	p. 118
Summary	p. 118
Curl's "Scripting Objects"	p. 121
Security Issues	p. 121
Privileged Applets	p. 122
URIs and Resources	p. 122
Granting Privileged Applets Permission	p. 123
Unprivileged Applets	p. 124
The Curl Access File	p. 125
Applet Restrictions	p. 126
System Restrictions	p. 127
Network Access Restrictions	p. 127
File Access Restrictions	p. 127
User Interface Restrictions	p. 127
Persisting Data on the Client	p. 128
Private Persistent Data	p. 129
Storing Private Persistent Data	p. 129
Retrieving Persistent Data	p. 130
Shared Persistent Data	p. 131
PDI Files	p. 131
Repositories	p. 132
Applet Suspension	p. 134
Working with the Local File System	p. 134
The TextInputStream and TextOutputStream Objects	p. 135
Reading from a File	p. 135
Writing to a File	p. 138
Files and Directories	p. 141
The File Class	p. 142
The Directory Class	p. 146
Streams	p. 150
Stream Buffering	p. 151
Seekable Streams	p. 151
Summary	p. 151
Dynamic Layout and Interaction	p. 155
Overview	p. 155
Document Style	p. 156
Applet Content	p. 157
The Visual Class and its Subclasses	p. 158
Graphical Containers	p. 159
Properties = Fields + Options	p. 161
Commonly Used Options	p. 162
Colors, FillPattern, and Background	p. 164
Putting It All Together: A Simple Applet	p. 166
A Different User Interface	p. 169
Types of Box	p. 171
Layout	p. 172
How Elastic Compression Works	p. 173
How Elastic Stretch Works	p. 175
Using Elastic	p. 176
Proportional Sizing	p. 178
Events	p. 179
Event Delivery	p. 180
Types of Events	p. 180
Pointer Events	p. 180
Keyboard and Focus Events	p. 181
Controls	p. 181
Buttons	p. 182
CheckButtons, RadioButtons, and RadioFrames	p. 183
Text Fields	p. 184
List Controls	p. 184
Dialogs	p. 185
Menus	p. 187
Conclusion and Further Reading	p. 189
Dynamic 2D Graphics	p. 191
Architectural Overview of Curl Graphics	p. 191
Immediate Mode verses Retained Mode	p. 192
Immediate Mode 2D Graphics	p. 192
Procedural Images	p. 193
Renderer2d Methods	p. 197
Manipulating Renderer2d Properties	p. 198
Creating Custom Widgets	p. 201
Graphical Shapes	p. 204
Creating Custom Graphical Shapes	p. 204
Image Filters	p. 208
Accessing Pixels	p. 209
Mutating Images	p. 213
The DisplacementMesh Class	p. 215
Summary	p. 217
Dynamic 3D Graphics	p. 219
3D Graphics	p. 219
Retained-Mode 3D Graphics	p. 220
Interactive 3D Graphics	p. 223
Lighting Effects	p. 224
Extensibility	p. 229
Immediate-Mode 3D Graphics	p. 229
Texture Mapping	p. 233
Obtaining a Drawing Surface	p. 235
Animation	p. 237
Advanced Topics	p. 238
Antialiasing	p. 239
Summary	p. 241
Audio and Input Devices	p. 243
Audio	p. 243
Basic Sound Playback	p. 244
Programmatic Control	p. 244
Asynchronous Playback	p. 246
Generating Sound with Curl	p. 248
Audio Filters	p. 251
Input Devices	p. 252
Joystick	p. 252
Raw Keyboard Access	p. 254
Summary	p. 254
Beyond This Book	p. 257
Additional Features of Curl Technology	p. 257
Networking and Client-Server Support	p. 257
Integrated XML and SOAP Connectivity	p. 258
Memory Management	p. 261
Applying Curl Technology to Real-World Problems	p. 263
Interactive Content and Premium Services	p. 263
Distributed User Interface for Enterprise Systems	p. 263
Data Visualization and Analysis	p. 264
Future Enhancements to Curl Technology	p. 264
Dynamic Component Retrieval	p. 264
Enhanced 2D Rendering and SVG Support	p. 265
Customizing the GUI Toolkit	p. 265
Additional GUI Components Encapsulating Complex Graphics Capabilities	p. 266
Third-Party Tools Support	p. 266
Internationalization	p. 266
Multi-Platform and Handheld Computing	p. 267
Curl Technology and the Software Industry	p. 267
Web Services	p. 267
Pervasive Computing	p. 268
Pay-for-Use Billing	p. 268
Summary	p. 269
A Tour of Surge Lab Beta 5	p. 271
The Surge Lab IDE	p. 271
The Windows List	p. 272
The Source Editor	p. 272
Surge Console	p. 274
Summary	p. 274
Useful Online Resources	p. 277
Wrox Sites	p. 277
Curl Corporation Sites	p. 277
Independent Curl Sites	p. 278
Curl Mailing Lists	p. 278
Table of Contents provided by Syndetics. All Rights Reserved.