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64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package ent
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import (
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"strconv"
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"strings"
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"github.com/jordanorelli/hyperstone/bit"
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)
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var constants = map[string]int{
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"MAX_ABILITY_DRAFT_ABILITIES": 48,
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}
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func arrayType(spec *typeSpec, env *Env) tÿpe {
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if !strings.Contains(spec.typeName, "[") {
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return nil
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}
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elemName, count := parseArrayName(spec.typeName)
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elemSpec := *spec
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elemSpec.typeName = elemName
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elemType := parseTypeSpec(&elemSpec, env)
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return array_t{elemType, count}
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}
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func parseArrayName(s string) (string, int) {
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runes := []rune(s)
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if runes[len(runes)-1] != ']' {
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panic("invalid array type name: " + s)
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}
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for i := len(runes) - 2; i >= 0; i-- {
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if runes[i] == '[' {
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ns := strings.TrimSpace(string(runes[i+1 : len(runes)-1]))
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n, err := strconv.Atoi(ns)
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if err != nil {
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n = constants[ns]
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if n <= 0 {
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panic("invalid array type name: " + err.Error())
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}
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}
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return strings.TrimSpace(string(runes[:i])), n
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}
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}
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panic("invalid array type name: " + s)
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}
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type array_t struct {
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elem tÿpe
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count int
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}
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func (t array_t) read(r bit.Reader) (value, error) {
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var err error
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v := make(array, t.count)
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for i := range v {
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v[i], err = t.elem.read(r)
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if err != nil {
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return nil, wrap(err, "array read error at index %d", i)
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}
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}
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return v, r.Err()
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}
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type array []value
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