66 lines
2.3 KiB
Odin
66 lines
2.3 KiB
Odin
// This package contains all data that is saved on disc. So everything in the .ezs folder
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package store
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// .ezs directory structure
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// .ezs/
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// backups/ -- Contains backups of old files
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// [a-zA-Z0-9\-_]{2}/ -- Custom Base64 encoded XXH3_128 prefix for the backups
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// [HASH] -- The backed up file, the hash is used to identify it. What about collisions? We mention that in the data file next to it
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// [HASH].ini -- The data file for file [HASH], contains things like filename and also collision data
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// superpositions/ -- Contains data about superpositions TODO: Define
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// config.ini -- Contains general config data
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import "core:mem"
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import "core:time"
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import "core:encoding/base64"
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Config_Backups :: struct {
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enabled: bool `ini:"default=true"`,
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interval: time.Duration `ini:"default=10m"`,
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}
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Config :: struct {
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backups: Config_Backups,
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}
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// Custom base64 tables
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ENC_TABLE := [64]byte {
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'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
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'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
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'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
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'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
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'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
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'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
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'w', 'x', 'y', 'z', '0', '1', '2', '3',
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'4', '5', '6', '7', '8', '9', '-', '_',
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}
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DEC_TABLE := [128]int {
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, -1, -1, -1,
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-1, -1, -1, -1, -1, 62, -1, -1,
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52, 53, 54, 55, 56, 57, 58, 59,
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60, 61, -1, -1, -1, -1, -1, -1,
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-1, 0, 1, 2, 3, 4, 5, 6,
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7, 8, 9, 10, 11, 12, 13, 14,
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15, 16, 17, 18, 19, 20, 21, 22,
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23, 24, 25, -1, -1, -1, -1, 63,
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-1, 26, 27, 28, 29, 30, 31, 32,
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33, 34, 35, 36, 37, 38, 39, 40,
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41, 42, 43, 44, 45, 46, 47, 48,
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49, 50, 51, -1, -1, -1, -1, -1,
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}
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base64_encode :: proc(data: []byte, allocator := context.allocator) -> (encoded: string, err: mem.Allocator_Error) #optional_allocator_error {
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return base64.encode(data, ENC_TABLE, allocator)
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}
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base64_decode :: proc(data: string, allocator := context.allocator) -> (decoded: []byte, err: mem.Allocator_Error) #optional_allocator_error {
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return base64.decode(data, DEC_TABLE, allocator)
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}
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