mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-12-18 08:26:45 +02:00
473 lines
9.0 KiB
Go
473 lines
9.0 KiB
Go
// Copyright 2014 Oleku Konko All rights reserved.
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// Use of this source code is governed by a MIT
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// license that can be found in the LICENSE file.
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// This module is a Table Writer API for the Go Programming Language.
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// The protocols were written in pure Go and works on windows and unix systems
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// Create & Generate text based table
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package tablewriter
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import (
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"fmt"
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"io"
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"regexp"
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"strings"
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)
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const (
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MAX_ROW_WIDTH = 30
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)
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const (
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CENTRE = "+"
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ROW = "-"
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COLUMN = "|"
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SPACE = " "
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)
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const (
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ALIGN_DEFAULT = iota
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ALIGN_CENTRE
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ALIGN_RIGHT
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ALIGN_LEFT
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)
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var (
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decimal = regexp.MustCompile(`^[0-9]+(.[0-9]+?)$`)
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percent = regexp.MustCompile(`^[0-9]+(.[0-9]+?)%$`)
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)
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type Table struct {
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out io.Writer
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rows [][]string
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lines [][][]string
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cs map[int]int
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rs map[int]int
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headers []string
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footers []string
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autoFmt bool
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autoWrap bool
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mW int
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pCenter string
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pRow string
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pColumn string
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tColumn int
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tRow int
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align int
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rowLine bool
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border bool
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colSize int
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}
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// Start New Table
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// Take io.Writer Directly
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func NewWriter(writer io.Writer) *Table {
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t := &Table{
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out: writer,
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rows: [][]string{},
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lines: [][][]string{},
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cs: make(map[int]int),
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rs: make(map[int]int),
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headers: []string{},
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footers: []string{},
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autoFmt: true,
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autoWrap: true,
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mW: MAX_ROW_WIDTH,
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pCenter: CENTRE,
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pRow: ROW,
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pColumn: COLUMN,
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tColumn: -1,
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tRow: -1,
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align: ALIGN_DEFAULT,
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rowLine: false,
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border: true,
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colSize: -1}
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return t
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}
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// Render table output
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func (t Table) Render() {
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if t.border {
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t.printLine(true)
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}
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t.printHeading()
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t.printRows()
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if !t.rowLine && t.border {
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t.printLine(true)
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}
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t.printFooter()
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}
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// Set table header
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func (t *Table) SetHeader(keys []string) {
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t.colSize = len(keys)
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for i, v := range keys {
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t.parseDimension(v, i, -1)
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t.headers = append(t.headers, v)
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}
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}
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// Set table Footer
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func (t *Table) SetFooter(keys []string) {
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//t.colSize = len(keys)
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for i, v := range keys {
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t.parseDimension(v, i, -1)
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t.footers = append(t.footers, v)
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}
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}
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// Turn header autoformatting on/off. Default is on (true).
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func (t *Table) SetAutoFormatHeaders(auto bool) {
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t.autoFmt = auto
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}
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// Turn automatic multiline text adjustment on/off. Default is on (true).
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func (t *Table) SetAutoWrapText(auto bool) {
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t.autoWrap = auto
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}
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// Set the Default column width
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func (t *Table) SetColWidth(width int) {
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t.mW = width
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}
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// Set the Column Separator
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func (t *Table) SetColumnSeparator(sep string) {
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t.pColumn = sep
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}
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// Set the Row Separator
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func (t *Table) SetRowSeparator(sep string) {
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t.pRow = sep
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}
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// Set the center Separator
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func (t *Table) SetCenterSeparator(sep string) {
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t.pCenter = sep
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}
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// Set Table Alignment
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func (t *Table) SetAlignment(align int) {
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t.align = align
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}
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// Set Row Line
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// This would enable / disable a line on each row of the table
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func (t *Table) SetRowLine(line bool) {
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t.rowLine = line
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}
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// Set Table Border
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// This would enable / disable line around the table
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func (t *Table) SetBorder(border bool) {
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t.border = border
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}
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// Append row to table
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func (t *Table) Append(row []string) error {
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rowSize := len(t.headers)
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if rowSize > t.colSize {
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t.colSize = rowSize
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}
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n := len(t.lines)
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line := [][]string{}
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for i, v := range row {
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// Detect string width
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// Detect String height
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// Break strings into words
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out := t.parseDimension(v, i, n)
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// Append broken words
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line = append(line, out)
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}
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t.lines = append(t.lines, line)
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return nil
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}
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// Allow Support for Bulk Append
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// Eliminates repeated for loops
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func (t *Table) AppendBulk(rows [][]string) (err error) {
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for _, row := range rows {
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err = t.Append(row)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// Print line based on row width
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func (t Table) printLine(nl bool) {
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fmt.Fprint(t.out, t.pCenter)
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for i := 0; i < len(t.cs); i++ {
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v := t.cs[i]
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fmt.Fprintf(t.out, "%s%s%s%s",
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t.pRow,
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strings.Repeat(string(t.pRow), v),
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t.pRow,
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t.pCenter)
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}
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if nl {
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fmt.Fprintln(t.out)
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}
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}
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// Print heading information
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func (t Table) printHeading() {
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// Check if headers is available
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if len(t.headers) < 1 {
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return
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}
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// Check if border is set
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// Replace with space if not set
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fmt.Fprint(t.out, ConditionString(t.border, t.pColumn, SPACE))
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// Identify last column
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end := len(t.cs) - 1
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// Print Heading column
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for i := 0; i <= end; i++ {
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v := t.cs[i]
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h := t.headers[i]
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if t.autoFmt {
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h = Title(h)
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}
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pad := ConditionString((i == end && !t.border), SPACE, t.pColumn)
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fmt.Fprintf(t.out, " %s %s",
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Pad(h, SPACE, v),
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pad)
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}
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// Next line
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fmt.Fprintln(t.out)
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t.printLine(true)
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}
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// Print heading information
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func (t Table) printFooter() {
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// Check if headers is available
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if len(t.footers) < 1 {
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return
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}
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// Only print line if border is not set
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if !t.border {
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t.printLine(true)
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}
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// Check if border is set
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// Replace with space if not set
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fmt.Fprint(t.out, ConditionString(t.border, t.pColumn, SPACE))
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// Identify last column
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end := len(t.cs) - 1
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// Print Heading column
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for i := 0; i <= end; i++ {
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v := t.cs[i]
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f := t.footers[i]
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if t.autoFmt {
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f = Title(f)
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}
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pad := ConditionString((i == end && !t.border), SPACE, t.pColumn)
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if len(t.footers[i]) == 0 {
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pad = SPACE
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}
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fmt.Fprintf(t.out, " %s %s",
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Pad(f, SPACE, v),
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pad)
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}
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// Next line
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fmt.Fprintln(t.out)
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//t.printLine(true)
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hasPrinted := false
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for i := 0; i <= end; i++ {
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v := t.cs[i]
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pad := t.pRow
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center := t.pCenter
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length := len(t.footers[i])
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if length > 0 {
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hasPrinted = true
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}
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// Set center to be space if length is 0
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if length == 0 && !t.border {
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center = SPACE
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}
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// Print first junction
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if i == 0 {
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fmt.Fprint(t.out, center)
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}
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// Pad With space of length is 0
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if length == 0 {
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pad = SPACE
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}
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// Ignore left space of it has printed before
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if hasPrinted || t.border {
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pad = t.pRow
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center = t.pCenter
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}
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// Change Center start position
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if center == SPACE {
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if i < end && len(t.footers[i+1]) != 0 {
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center = t.pCenter
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}
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}
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// Print the footer
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fmt.Fprintf(t.out, "%s%s%s%s",
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pad,
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strings.Repeat(string(pad), v),
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pad,
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center)
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}
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fmt.Fprintln(t.out)
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}
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func (t Table) printRows() {
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for i, lines := range t.lines {
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t.printRow(lines, i)
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}
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}
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// Print Row Information
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// Adjust column alignment based on type
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func (t Table) printRow(columns [][]string, colKey int) {
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// Get Maximum Height
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max := t.rs[colKey]
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total := len(columns)
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// TODO Fix uneven col size
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// if total < t.colSize {
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// for n := t.colSize - total; n < t.colSize ; n++ {
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// columns = append(columns, []string{SPACE})
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// t.cs[n] = t.mW
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// }
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//}
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// Pad Each Height
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// pads := []int{}
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pads := []int{}
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for i, line := range columns {
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length := len(line)
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pad := max - length
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pads = append(pads, pad)
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for n := 0; n < pad; n++ {
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columns[i] = append(columns[i], " ")
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}
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}
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//fmt.Println(max, "\n")
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for x := 0; x < max; x++ {
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for y := 0; y < total; y++ {
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// Check if border is set
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fmt.Fprint(t.out, ConditionString((!t.border && y == 0), SPACE, t.pColumn))
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fmt.Fprintf(t.out, SPACE)
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str := columns[y][x]
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// This would print alignment
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// Default alignment would use multiple configuration
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switch t.align {
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case ALIGN_CENTRE: //
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fmt.Fprintf(t.out, "%s", Pad(str, SPACE, t.cs[y]))
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case ALIGN_RIGHT:
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fmt.Fprintf(t.out, "%s", PadLeft(str, SPACE, t.cs[y]))
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case ALIGN_LEFT:
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fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y]))
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default:
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if decimal.MatchString(strings.TrimSpace(str)) || percent.MatchString(strings.TrimSpace(str)) {
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fmt.Fprintf(t.out, "%s", PadLeft(str, SPACE, t.cs[y]))
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} else {
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fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y]))
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// TODO Custom alignment per column
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//if max == 1 || pads[y] > 0 {
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// fmt.Fprintf(t.out, "%s", Pad(str, SPACE, t.cs[y]))
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//} else {
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// fmt.Fprintf(t.out, "%s", PadRight(str, SPACE, t.cs[y]))
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//}
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}
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}
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fmt.Fprintf(t.out, SPACE)
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}
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// Check if border is set
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// Replace with space if not set
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fmt.Fprint(t.out, ConditionString(t.border, t.pColumn, SPACE))
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fmt.Fprintln(t.out)
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}
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if t.rowLine {
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t.printLine(true)
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}
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}
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func (t *Table) parseDimension(str string, colKey, rowKey int) []string {
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var (
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raw []string
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max int
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)
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w := DisplayWidth(str)
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// Calculate Width
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// Check if with is grater than maximum width
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if w > t.mW {
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w = t.mW
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}
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// Check if width exists
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v, ok := t.cs[colKey]
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if !ok || v < w || v == 0 {
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t.cs[colKey] = w
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}
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if rowKey == -1 {
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return raw
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}
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// Calculate Height
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if t.autoWrap {
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raw, _ = WrapString(str, t.cs[colKey])
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} else {
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raw = getLines(str)
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}
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for _, line := range raw {
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if w := DisplayWidth(line); w > max {
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max = w
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}
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}
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// Make sure the with is the same length as maximum word
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// Important for cases where the width is smaller than maxu word
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if max > t.cs[colKey] {
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t.cs[colKey] = max
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}
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h := len(raw)
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v, ok = t.rs[rowKey]
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if !ok || v < h || v == 0 {
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t.rs[rowKey] = h
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}
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//fmt.Printf("Raw %+v %d\n", raw, len(raw))
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return raw
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}
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