diff options
author | joeybloggs <Dean.Karn@gmail.com> | 2016-08-16 04:59:49 +0300 |
---|---|---|
committer | joeybloggs <Dean.Karn@gmail.com> | 2016-08-16 04:59:49 +0300 |
commit | aaa28727a7fc0cc7add5d60b31abfe62b983bedd (patch) | |
tree | 032798ba24e7ab36f7532d5ae66df80805029538 /sah_RU | |
parent | 5e30685010ab9c6da8cc729a3e7eab0b1ae964ae (diff) |
add accounting currency formatting logic + function
Diffstat (limited to 'sah_RU')
-rw-r--r-- | sah_RU/sah_RU.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sah_RU/sah_RU.go b/sah_RU/sah_RU.go index d18e5dad..aae7875e 100644 --- a/sah_RU/sah_RU.go +++ b/sah_RU/sah_RU.go @@ -141,3 +141,68 @@ func (sah *sah_RU) FmtCurrency(num float64, v uint64, currency currency.Type) [] return b } + +// FmtAccounting returns the currency representation of 'num' with digits/precision of 'v' for 'sah_RU' +// in accounting notation. returned as a []byte just in case the caller wishes to add more and can help +// avoid allocations; otherwise just cast as string. +func (sah *sah_RU) FmtAccounting(num float64, v uint64, currency currency.Type) []byte { + + s := strconv.FormatFloat(math.Abs(num), 'f', int(v), 64) + symbol := sah.currencies[currency] + l := len(s) + len(sah.decimal) + + b := make([]byte, 0, l) + + for i := len(s) - 1; i >= 0; i-- { + + if s[i] == '.' { + b = append(b, sah.decimal[0]) + continue + } + + b = append(b, s[i]) + } + + if num < 0 { + + for j := len(symbol) - 1; j >= 0; j-- { + b = append(b, symbol[j]) + } + + for j := len(sah.currencyNegativePrefix) - 1; j >= 0; j-- { + b = append(b, sah.currencyNegativePrefix[j]) + } + + for j := len(sah.minus) - 1; j >= 0; j-- { + b = append(b, sah.minus[j]) + } + + } else { + + for j := len(symbol) - 1; j >= 0; j-- { + b = append(b, symbol[j]) + } + + for j := len(sah.currencyPositivePrefix) - 1; j >= 0; j-- { + b = append(b, sah.currencyPositivePrefix[j]) + } + + } + + // 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 num < 0 { + + b = append(b, sah.currencyNegativeSuffix...) + + } else { + + b = append(b, sah.currencyPositiveSuffix...) + + } + + return b +} |