mirror of https://github.com/dmarkham/enumer.git
36 lines
985 B
Go
36 lines
985 B
Go
package main
|
|
import "fmt"
|
|
|
|
// Arguments to format are:
|
|
// [1]: type name
|
|
const stringValueToNameMap = `func %[1]sString(s string) (%[1]s, error) {
|
|
if val, ok := _%[1]sNameToValue_map[s]; ok {
|
|
return val, nil
|
|
}
|
|
return 0, fmt.Errorf("%%s does not belong to %[1]s values", s)
|
|
}
|
|
`
|
|
|
|
func (g *Generator) buildValueToNameMap(runs [][]Value, typeName string, runsThreshold int) {
|
|
// At this moment, either "g.declareIndexAndNameVars()" or "g.declareNameVars()" has been called
|
|
g.Printf("\nvar _%sNameToValue_map = map[string]%s{\n", typeName, typeName)
|
|
thereAreRuns := len(runs) > 1 && len(runs) <= runsThreshold
|
|
var n int
|
|
var runID string
|
|
for i, values := range runs {
|
|
if thereAreRuns {
|
|
runID = "_" + fmt.Sprintf("%d",i)
|
|
n = 0
|
|
} else {
|
|
runID = ""
|
|
}
|
|
|
|
for _, value := range values {
|
|
g.Printf("\t_%s_name%s[%d:%d]: %s,\n", typeName, runID, n, n+len(value.name), &value)
|
|
n += len(value.name)
|
|
}
|
|
}
|
|
g.Printf("}\n\n")
|
|
g.Printf(stringValueToNameMap, typeName)
|
|
}
|