mirror of
https://github.com/johnkerl/miller.git
synced 2026-01-23 02:14:13 +00:00
a977617797
* address some staticcheck issues * address some staticcheck issues * address some staticcheck issues * address some staticcheck issues
94 lines
2.6 KiB
Go
94 lines
2.6 KiB
Go
package mlrval
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strconv"
|
|
)
|
|
|
|
// Must have non-pointer receiver in order to implement the fmt.Stringer
|
|
// interface to make this printable via fmt.Println et al. However, that
|
|
// results in a needless copy of the Mlrval. So, we intentionally use pointer
|
|
// receiver, and if we need to print to stdout, we can fmt.Printf with "%s" and
|
|
// mv.String().
|
|
func (mv *Mlrval) String() string {
|
|
// TODO: comment re deferral -- important perf effect!
|
|
// if mv.IsFloat() && floatOutputFormatter != nil
|
|
// if mv.mvtype == MT_FLOAT && floatOutputFormatter != nil {
|
|
//if floatOutputFormatter != nil && (mv.mvtype == MT_FLOAT || mv.mvtype == MT_PENDING) {
|
|
if floatOutputFormatter != nil && mv.Type() == MT_FLOAT {
|
|
// Use the format string from global --ofmt, if supplied
|
|
return floatOutputFormatter.FormatFloat(mv.floatval)
|
|
}
|
|
|
|
// TODO: track dirty-flag checking / somesuch.
|
|
// At present it's cumbersome to check if an array or map has been modified
|
|
// and it's safest to always recompute the string-rep.
|
|
if mv.IsArrayOrMap() {
|
|
mv.printrepValid = false
|
|
}
|
|
|
|
mv.setPrintRep()
|
|
return mv.printrep
|
|
}
|
|
|
|
// See mlrval.go for more about JIT-formatting of string backings
|
|
func (mv *Mlrval) setPrintRep() {
|
|
if !mv.printrepValid {
|
|
switch mv.mvtype {
|
|
|
|
case MT_PENDING:
|
|
// Should not have gotten outside of the JSON decoder, so flag this
|
|
// clearly visually if it should (buggily) slip through to
|
|
// user-level visibility.
|
|
mv.printrep = "(bug-if-you-see-this:case=3)" // xxx constdef at top of file
|
|
|
|
case MT_ERROR:
|
|
mv.printrep = "(error)" // xxx constdef at top of file
|
|
|
|
case MT_ABSENT:
|
|
// Callsites should be using absence to do non-assigns, so flag
|
|
// this clearly visually if it should (buggily) slip through to
|
|
// user-level visibility.
|
|
mv.printrep = "(bug-if-you-see-this:case=4)" // xxx constdef at top of file
|
|
|
|
case MT_VOID:
|
|
mv.printrep = "" // xxx constdef at top of file
|
|
|
|
case MT_STRING:
|
|
break
|
|
|
|
case MT_INT:
|
|
mv.printrep = strconv.Itoa(mv.intval)
|
|
|
|
case MT_FLOAT:
|
|
mv.printrep = strconv.FormatFloat(mv.floatval, 'f', -1, 64)
|
|
|
|
case MT_BOOL:
|
|
if mv.boolval == true {
|
|
mv.printrep = "true"
|
|
} else {
|
|
mv.printrep = "false"
|
|
}
|
|
|
|
case MT_ARRAY:
|
|
bytes, err := mv.MarshalJSON(JSON_MULTILINE, false)
|
|
// maybe just InternalCodingErrorIf(err != nil)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
mv.printrep = string(bytes)
|
|
|
|
case MT_MAP:
|
|
bytes, err := mv.MarshalJSON(JSON_MULTILINE, false)
|
|
// maybe just InternalCodingErrorIf(err != nil)
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
mv.printrep = string(bytes)
|
|
}
|
|
mv.printrepValid = true
|
|
}
|
|
}
|