forked from buckhx/diglet
/
util.go
91 lines (74 loc) · 1.66 KB
/
util.go
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package burrow
import (
"encoding/binary"
"fmt"
"github.com/cbroglie/mustache"
"log"
"strconv"
"strings"
)
func RenderTemplate(template string, vars ...interface{}) (string, error) {
return mustache.Render(template, vars...)
}
func info(format string, vals ...interface{}) {
log.Printf("Burrow info: "+format, vals...)
}
func warn(err error, extra string) {
if err != nil {
log.Printf("Burrow warning: %s - %s", err, extra)
}
}
func errorlog(err ...error) {
log.Printf("Burrow error: %s", err)
}
func check(err error) {
if err != nil {
log.Fatal("Fatal Burrow error: %s", err)
}
}
func checks(errs ...error) {
for _, err := range errs {
check(err)
}
}
func sprintSizeOf(v interface{}) string {
return strconv.Itoa(binary.Size(v))
}
func sprintf(format string, vals ...interface{}) string {
return fmt.Sprintf(format, vals...)
}
func errorf(format string, vals ...interface{}) error {
return fmt.Errorf(format, vals...)
}
func itoa(v int) string {
return strconv.Itoa(v)
}
func atoi(v string) (int, error) {
return strconv.Atoi(v)
}
func atof(v string) (float64, error) {
return strconv.ParseFloat(v, 64)
}
func toLower(v string) string {
return strings.ToLower(v)
}
func assertString(v interface{}) (err error) {
if _, ok := v.(string); !ok {
err = fmt.Errorf("Cannot assert string %q", v)
}
return
}
func assertNumber(v interface{}) (err error) {
if _, ok := v.(float64); !ok {
err = fmt.Errorf("Cannot assert number %q", v)
}
return
}
func validateParams(params map[string]interface{}, keys []string) (err error) {
for _, key := range keys {
if _, ok := params[key]; !ok {
err = fmt.Errorf("Missing param: %q", key)
}
}
return
}