Apple Newton Utilities Guia do Utilizador Página 503

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CHAPTER 11
Data Storage and Retrieval
Summary of Data Storage 11-71
// optional tags query spec frame; see page 11-71
tagSpec: {equal:[t1, t2, …tN], all:[t1, t2, …tN],
any:[t1, t2, …tN],none:[t1, t2, …tN]},
// when non-nil, match entire string in 'words slot
entireWords: Boolean, // optional
// string(s) to match w/ word beginnings in entries
words: string|[str1, str2, … , strN], // optional
// string to match w/ any substring in entries
text: string, // optional
}
Tags Query Specication Frame 11
// this frame resides in tagSpec slot of query spec frame
// at least one of these slots must appear
// select only entries having identical set of tags
{equal:[t1, t2, …tN],
// select only entries having identical tags or superset
all:[t1, t2, …tN],
// select entries having any of these tags
any:[t1, t2, …tN],
// select entries having none of these tags
none:[t1, t2, …tN]}
Callback Functions for Soup Change Notication 11
func(soupNameString,appSymbol,changeTypeSymbol,changeData);
Data Storage Functions and Methods 11
Stores 11
store:AtomicAction(function)
store:BusyAction(appSymbol, appName, action)
store:CheckWriteProtect()
GetDefaultStore()
store:GetInfo(slotSymbol)
store:GetName()
store:GetSoup(soupNameString)
store:GetSoupNames()
GetStores()
store:HasSoup(soupName)
store:IsReadOnly()
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