mirror of
https://codeberg.org/scip/gfn.git
synced 2025-12-16 18:30:57 +01:00
Thomas von Dein
186c95076e
- fixed issue#1: break endless loop for non-codes - added config file support - added logo - added unit tests - added ci test pipeline - added issue templates - added binary release builder - enhanced documentation - made the number of columns flexible based on word size
104 lines
2.3 KiB
Go
104 lines
2.3 KiB
Go
/*
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Copyright © 2024 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"io"
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"log/slog"
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"sort"
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)
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// Output a list of hardcoded FN code templates
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func ListTemplates(conf *Config, output io.Writer) {
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slog.Debug("Listing configured templates", "templates", conf.Templates)
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names := []string{}
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for name := range conf.Templates {
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names = append(names, name)
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}
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sort.Strings(names)
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for _, name := range names {
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fmt.Fprintln(output, name)
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}
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}
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// Columnar output
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func PrintColumns(conf *Config, names []string, output io.Writer) error {
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count := len(names)
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// no need for the hassle to calculate columns
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if count <= conf.Columns {
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for _, name := range names {
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fmt.Fprintln(output, name)
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}
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return nil
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}
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// get a transposed list of columns
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padlist, max := Getcolumns(names, conf.Columns)
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// make sure there's enough spacing between the columns
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format := fmt.Sprintf("%%-%ds", max+1)
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for _, row := range padlist {
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for _, word := range row {
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fmt.Fprintf(output, format, word)
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}
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fmt.Fprintln(output)
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}
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return nil
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}
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func Getcolumns(names []string, columns int) ([][]string, int) {
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words := len(names)
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max := 0
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// we'll have a list of $columns columns
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padlist := make([][]string, columns)
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// initialize'em
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for col := 0; col < columns; col++ {
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padlist[col] = []string{}
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}
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// fill from input
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for idx := 0; idx < words; idx += columns {
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for col := 0; col < columns; col++ {
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if idx+col >= words {
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padlist[col] = append(padlist[col], "")
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} else {
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padlist[col] = append(padlist[col], names[idx+col])
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length := len(names[idx+col])
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if length > max {
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max = length
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}
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}
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}
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}
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// turn columns to rows
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return Transpose(padlist), max
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}
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