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Diffstat (limited to 'cmd/translator.tmpl')
| -rw-r--r-- | cmd/translator.tmpl | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/cmd/translator.tmpl b/cmd/translator.tmpl index 96a75bea..623adb5d 100644 --- a/cmd/translator.tmpl +++ b/cmd/translator.tmpl @@ -175,4 +175,136 @@ func({{ .BaseLocale }} *{{ .Locale }}) FmtNumber(num float64, v uint64) []byte { {{ end -}} } +// FmtPercent returns 'num' with digits/precision of 'v' for '{{ .Locale }}' and handles both Whole and Real numbers based on 'v' +// returned as a []byte just in case the caller wishes to add more and can help +// avoid allocations; otherwise just cast as string. +// NOTE: 'num' passed into FmtPercent is assumed to be in percent already +func({{ .BaseLocale }} *{{ .Locale }}) FmtPercent(num float64, v uint64) []byte { + + s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64) + {{- if eq .FmtPercentExists true }} + {{- if gt .FmtPercentGroupLen 0 }} + l := len(s) + len({{ .BaseLocale }}.decimal) + len({{ .BaseLocale }}.group) * len(s[:len(s)-int(v)-1]) / {{ .FmtPercentGroupLen }} + count := 0 + inWhole := v == 0 + {{- if gt .FmtPercentSecondaryGroupLen 0}} + inSecondary := false + groupThreshold := {{ .FmtPercentGroupLen }} + {{ end -}} + {{ else }} + l := len(s) + len({{ .BaseLocale }}.decimal) + {{ end }} + b := make([]byte, 0, l) + + for i := len(s) - 1; i >= 0; i-- { + + if s[i] == '.' { + + {{- if eq .DecimalLen 1 }} + b = append(b, {{ .BaseLocale }}.decimal[0]) + {{- else }} + for j := len({{ .BaseLocale }}.decimal) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.decimal[j]) + } + {{ end -}} + {{- if gt .FmtPercentGroupLen 0 }} + inWhole = true + {{ end }} + continue + } + + {{ if gt .FmtPercentGroupLen 0 }} + if inWhole { + + {{- if gt .FmtPercentSecondaryGroupLen 0}} + + if count == groupThreshold { + {{- if eq .GroupLen 1 }} + b = append(b, {{ .BaseLocale }}.group[0]) + {{- else }} + for j := len({{ .BaseLocale }}.group) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.group[j]) + } + {{ end }} + count = 1 + + if !inSecondary { + inSecondary = true + groupThreshold = {{ .FmtPercentSecondaryGroupLen }} + } + {{ else }} + if count == {{ .FmtPercentGroupLen }} { + {{- if eq .GroupLen 1 }} + b = append(b, {{ .BaseLocale }}.group[0]) + {{- else }} + for j := len({{ .BaseLocale }}.group) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.group[j]) + } + {{ end }} + count = 1 + {{ end -}} + } else { + count++ + } + } + + {{ end }} + + b = append(b, s[i]) + } + + if num < 0 { + {{- if eq .MinusLen 1 }} + b = append(b, {{ .BaseLocale }}.minus[0]) + {{ else }} + for j := len({{ .BaseLocale }}.minus) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.minus[j]) + } + {{ end -}} + } + + {{ if eq .FmtPercentLeft true }} + {{- if eq .PercentLen 1 }} + b = append(b, {{ .BaseLocale }}.Percent[0]) + {{ else }} + for j := len({{ .BaseLocale }}.percent) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.percent[j]) + } + {{ end }} + {{ end }} + + // reverse + for i, j := 0, len(b)-1; i < j; i, j = i+1, j-1 { + b[i], b[j] = b[j], b[i] + } + + {{ if gt .FmtPercentMinDecimalLen 0 }} + if int(v) < {{ .FmtPercentMinDecimalLen }} { + + if v == 0 { + b = append(b, {{ .BaseLocale }}.decimal...) + } + + for i := 0; i < {{ .FmtPercentMinDecimalLen }}-int(v); i++ { + b = append(b, '0') + } + } + {{ end }} + + {{ if eq .FmtPercentLeft false }} + {{- if eq .PercentLen 1 }} + b = append(b, {{ .BaseLocale }}.Percent[0]) + {{ else }} + for j := len({{ .BaseLocale }}.percent) - 1; j >= 0; j-- { + b = append(b, {{ .BaseLocale }}.percent[j]) + } + {{ end }} + {{ end }} + + return b + {{ else }} + return []byte(s) + {{ end -}} +} + {{ end }}
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