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strconv: vfmt everything

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This commit is contained in:
Delyan Angelov
2021-06-18 17:59:56 +03:00
parent 5dff8dc097
commit de384f1cc8
17 changed files with 1544 additions and 1252 deletions
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29
vlib/strconv/format.v
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@@ -1,7 +1,6 @@
module strconv
/*
printf/sprintf V implementation
Copyright (c) 2020 Dario Deledda. All rights reserved.
@@ -9,9 +8,7 @@ Use of this source code is governed by an MIT license
that can be found in the LICENSE file.
This file contains the printf/sprintf functions
*/
import strings
pub enum Align_text {
@@ -21,11 +18,9 @@ pub enum Align_text {
}
/*
Float conversion utility
*/
const(
const (
// rounding value
dec_round = [
f64(0.5),
@@ -81,19 +76,17 @@ const(
// max float 1.797693134862315708145274237317043567981e+308
/*
Single format functions
Single format functions
*/
pub struct BF_param {
pub mut:
pad_ch byte = byte(` `) // padding char
len0 int = -1 // default len for whole the number or string
len1 int = 6 // number of decimal digits, if needed
positive bool = true // mandatory: the sign of the number passed
sign_flag bool // flag for print sign as prefix in padding
allign Align_text = .right // alignment of the string
rm_tail_zero bool // remove the tail zeros from floats
pad_ch byte = byte(` `) // padding char
len0 int = -1 // default len for whole the number or string
len1 int = 6 // number of decimal digits, if needed
positive bool = true // mandatory: the sign of the number passed
sign_flag bool // flag for print sign as prefix in padding
allign Align_text = .right // alignment of the string
rm_tail_zero bool // remove the tail zeros from floats
}
pub fn format_str(s string, p BF_param) string {
@@ -106,13 +99,13 @@ pub fn format_str(s string, p BF_param) string {
}
mut res := strings.new_builder(s.len + dif)
if p.allign == .right {
for i1 :=0; i1 < dif; i1++ {
for i1 := 0; i1 < dif; i1++ {
res.write_b(p.pad_ch)
}
}
res.write_string(s)
if p.allign == .left {
for i1 :=0; i1 < dif; i1++ {
for i1 := 0; i1 < dif; i1++ {
res.write_b(p.pad_ch)
}
}