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// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module fmt
import math.mathutil
const struct_field_align_threshold = 8
struct AlignInfo {
mut:
line_nr int
max_len int
max_type_len int
}
struct AddInfoConfig {
use_threshold bool
}
fn (mut infos []AlignInfo) add_new_info(len int, type_len int, line int) {
infos << AlignInfo{
line_nr: line
max_len: len
max_type_len: type_len
}
}
[direct_array_access]
fn (mut infos []AlignInfo) add_info(len int, type_len int, line int, cfg AddInfoConfig) {
if infos.len == 0 {
infos.add_new_info(len, type_len, line)
return
}
i := infos.len - 1
if line - infos[i].line_nr > 1 {
infos.add_new_info(len, type_len, line)
return
}
if cfg.use_threshold {
len_diff := mathutil.abs(infos[i].max_len - len) +
mathutil.abs(infos[i].max_type_len - type_len)
if len_diff >= fmt.struct_field_align_threshold {
infos.add_new_info(len, type_len, line)
return
}
}
infos[i].line_nr = line
if len > infos[i].max_len {
infos[i].max_len = len
}
if type_len > infos[i].max_type_len {
infos[i].max_type_len = type_len
}
}
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