58 lines
1.2 KiB
V
58 lines
1.2 KiB
V
// Copyright (c) 2019-2022 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module fmt
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import v.mathutil
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const struct_field_align_threshold = 8
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struct AlignInfo {
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mut:
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line_nr int
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max_len int
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max_type_len int
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}
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[params]
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struct AddInfoConfig {
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use_threshold bool
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}
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fn (mut infos []AlignInfo) add_new_info(len int, type_len int, line int) {
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infos << AlignInfo{
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line_nr: line
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max_len: len
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max_type_len: type_len
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}
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}
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[direct_array_access]
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fn (mut infos []AlignInfo) add_info(len int, type_len int, line int, cfg AddInfoConfig) {
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if infos.len == 0 {
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infos.add_new_info(len, type_len, line)
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return
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}
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i := infos.len - 1
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if line - infos[i].line_nr > 1 {
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infos.add_new_info(len, type_len, line)
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return
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}
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if cfg.use_threshold {
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len_diff := mathutil.abs(infos[i].max_len - len) +
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mathutil.abs(infos[i].max_type_len - type_len)
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if len_diff >= fmt.struct_field_align_threshold {
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infos.add_new_info(len, type_len, line)
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return
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}
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}
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infos[i].line_nr = line
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if len > infos[i].max_len {
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infos[i].max_len = len
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}
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if type_len > infos[i].max_type_len {
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infos[i].max_type_len = type_len
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}
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}
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