Apple Newton Utilities Uživatelská příručka Strana 14

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Chapter 11 Data Storage and Retrieval 11-1
About Data Storage on Newton Devices 11-1
Introduction to Data Storage Objects 11-2
Where to Go From Here 11-6
Stores 11-6
Packages 11-7
Soups 11-7
Indexes 11-8
Saving User Preference Data in the System Soup 11-10
Queries 11-10
Querying for Indexed Values 11-10
Begin Keys and End Keys 11-12
Tag-based Queries 11-14
Customized Tests 11-14
Text Queries 11-15
Cursors 11-16
Entries 11-17
Alternatives to Soup-Based Storage 11-18
Dynamic Data 11-18
Static Data 11-19
Compatibility Information 11-20
Obsolete Store Functions and Methods 11-20
Soup Compatibility Information 11-20
Query Compatibility Information 11-23
Obsolete Entry Functions 11-24
Obsolete Data Backup and Restore Functions 11-24
Using Newton Data Storage Objects 11-25
Programmer’s Overview 11-25
Using Stores 11-28
Store Object Size Limits 11-29
Referencing Stores 11-29
Retrieving Packages From Stores 11-29
Testing Stores for Write-Protection 11-30
Getting or Setting the Default Store 11-30
Getting and Setting the Store Name 11-30
Accessing the Store Information Frame 11-31
Using Soups 11-31
Naming Soups 11-31
Registering and Unregistering Soup Denitions 11-32
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