Script Library: rnv.r

Script Library: 1247 scripts
rnv.r

REBOL [
    Title: "Rebol Name Value"
    Date: 5-Dec-2002
    Name: 'RNV
    Version: 1.2.0
    File: %rnv.r
    Author: "Andrew Martin"
    Purpose: "Common RNV manipulation functions."
    eMail: %Al--Bri--xtra--co--nz
    Web: http://valley.150m.com
    library: [
        level: 'beginner 
        platform: none 
        type: 'tool 
        domain: none 
        tested-under: none 
        support: none 
        license: none 
        see-also: none
    ]
]

RNV: make object! [
    Directory: %./
    Data: make block! 20
    Value: function [Name [word!]] [Value] [
        any [
            Value: select Data Name
            repend Data [
                Name Value: load/all rejoin [Directory join to-file Name %.rnv]
                ]
            ]
        Value
        ]
    Name: function [NameValues [block!] Name [word!]] [Block Values] [
        any [
            select NameValues Name
            (
                Block: make block! 10
                foreach [Name Value] NameValues [
                    if all [
                        word? Name
                        integer? Value
                        ] [
                        Values: RNV/Value Name
                        append Block select pick Values Value Name
                        ]
                    ]
                either empty? Block [none] [Block]
                )
            ]
        ]
    NameValue: func [Name [word!] Index [integer!]] [
        RNV/Name pick RNV/Value Name Index Name
        ]
    Columns: func [Name [word!] Columns [block!]] [
        map/only RNV/Value Name func [NameValue [block!]] [
            map/full Columns function [Column [string! word!]] [Value] [
                Value: select NameValue Column
                if all [
                    word? Column
                    integer? Value
                    Column != Name
                    ] [
                    Value: RNV/NameValue Column Value
                    ]
                Value
                ]
            ]
        ]
    Store: does [
        foreach [Name Value] Data [
            save/all join to-file Name %.rnv Value
            ]
        ]
    Index: function [RNV [block!] Name [word!]] [Table] [
        Table: make block! 2 * length? RNV
        repeat Item length? RNV [
            repend Table [RNV/:Item/:Name Item]
            ]
        sort/skip Table 2
        ]
    ]
Notes
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(Al:Bri:xtra:co:nz)