91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
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// Command toml-test-decoder satisfies the toml-test interface for testing
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// TOML decoders. Namely, it accepts TOML on stdin and outputs JSON on stdout.
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package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"os"
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"path"
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"time"
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"github.com/BurntSushi/toml"
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)
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func init() {
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log.SetFlags(0)
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flag.Usage = usage
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flag.Parse()
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}
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func usage() {
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log.Printf("Usage: %s < toml-file\n", path.Base(os.Args[0]))
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flag.PrintDefaults()
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os.Exit(1)
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}
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func main() {
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if flag.NArg() != 0 {
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flag.Usage()
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}
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var tmp interface{}
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if _, err := toml.DecodeReader(os.Stdin, &tmp); err != nil {
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log.Fatalf("Error decoding TOML: %s", err)
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}
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typedTmp := translate(tmp)
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if err := json.NewEncoder(os.Stdout).Encode(typedTmp); err != nil {
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log.Fatalf("Error encoding JSON: %s", err)
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}
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}
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func translate(tomlData interface{}) interface{} {
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switch orig := tomlData.(type) {
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case map[string]interface{}:
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typed := make(map[string]interface{}, len(orig))
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for k, v := range orig {
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typed[k] = translate(v)
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}
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return typed
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case []map[string]interface{}:
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typed := make([]map[string]interface{}, len(orig))
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for i, v := range orig {
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typed[i] = translate(v).(map[string]interface{})
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}
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return typed
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case []interface{}:
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typed := make([]interface{}, len(orig))
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for i, v := range orig {
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typed[i] = translate(v)
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}
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// We don't really need to tag arrays, but let's be future proof.
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// (If TOML ever supports tuples, we'll need this.)
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return tag("array", typed)
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case time.Time:
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return tag("datetime", orig.Format("2006-01-02T15:04:05Z"))
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case bool:
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return tag("bool", fmt.Sprintf("%v", orig))
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case int64:
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return tag("integer", fmt.Sprintf("%d", orig))
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case float64:
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return tag("float", fmt.Sprintf("%v", orig))
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case string:
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return tag("string", orig)
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}
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panic(fmt.Sprintf("Unknown type: %T", tomlData))
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}
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func tag(typeName string, data interface{}) map[string]interface{} {
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return map[string]interface{}{
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"type": typeName,
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"value": data,
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}
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}
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