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package tblfmt
import (
"fmt"
"io"
)
// LineStyle is a table line style.
//
// See the ASCII, OldASCII, and Unicode styles below for predefined table
// styles.
//
// Tables generally look like the following:
//
// +-----------+---------------------------+---+
// | author_id | name | z |
// +-----------+---------------------------+---+
// | 14 | a b c d | |
// | 15 | aoeu +| |
// | | test +| |
// | | | |
// +-----------+---------------------------+---+
//
// When border is 0, then no surrounding borders will be shown:
//
// author_id name z
// --------- ------------------------- -
// 14 a b c d
// 15 aoeu +
// test +
//
// When border is 1, then a border between columns will be shown:
//
// author_id | name | z
// -----------+---------------------------+---
// 14 | a b c d |
// 15 | aoeu +|
// | test +|
// | |
type LineStyle struct {
Top [4]rune
Mid [4]rune
Row [4]rune
Wrap [4]rune
End [4]rune
}
// ASCIILineStyle is the ASCII line style for tables.
//
// Tables using this style will look like the following:
//
// +-----------+---------------------------+---+
// | author_id | name | z |
// +-----------+---------------------------+---+
// | 14 | a b c d | |
// | 15 | aoeu +| |
// | | test +| |
// | | | |
// +-----------+---------------------------+---+
func ASCIILineStyle() LineStyle {
return LineStyle{
// left char sep right
Top: [4]rune{'+', '-', '+', '+'},
Mid: [4]rune{'+', '-', '+', '+'},
Row: [4]rune{'|', ' ', '|', '|'},
Wrap: [4]rune{'|', '+', '|', '|'},
End: [4]rune{'+', '-', '+', '+'},
}
}
// OldASCIILineStyle is the old ASCII line style for tables.
//
// Tables using this style will look like the following:
//
// +-----------+---------------------------+---+
// | author_id | name | z |
// +-----------+---------------------------+---+
// | 14 | a b c d | |
// | 15 | aoeu | |
// | : test |
// | : |
// +-----------+---------------------------+---+
func OldASCIILineStyle() LineStyle {
s := ASCIILineStyle()
s.Wrap[1], s.Wrap[2] = ' ', ':'
return s
}
// UnicodeLineStyle is the Unicode line style for tables.
//
// Tables using this style will look like the following:
//
// ┌───────────┬───────────────────────────┬───┐
// │ author_id │ name │ z │
// ├───────────┼───────────────────────────┼───┤
// │ 14 │ a b c d │ │
// │ 15 │ aoeu ↵│ │
// │ │ test ↵│ │
// │ │ │ │
// └───────────┴───────────────────────────┴───┘
func UnicodeLineStyle() LineStyle {
return LineStyle{
// left char sep right
Top: [4]rune{'┌', '─', '┬', '┐'},
Mid: [4]rune{'├', '─', '┼', '┤'},
Row: [4]rune{'│', ' ', '│', '│'},
Wrap: [4]rune{'│', '↵', '│', '│'},
End: [4]rune{'└', '─', '┴', '┘'},
}
}
// UnicodeDoubleLineStyle is the Unicode double line style for tables.
//
// Tables using this style will look like the following:
//
// ╔═══════════╦═══════════════════════════╦═══╗
// ║ author_id ║ name ║ z ║
// ╠═══════════╬═══════════════════════════╬═══╣
// ║ 14 ║ a b c d ║ ║
// ║ 15 ║ aoeu ↵║ ║
// ║ ║ test ↵║ ║
// ║ ║ ║ ║
// ╚═══════════╩═══════════════════════════╩═══╝
func UnicodeDoubleLineStyle() LineStyle {
return LineStyle{
// left char sep right
Top: [4]rune{'╔', '═', '╦', '╗'},
Mid: [4]rune{'╠', '═', '╬', '╣'},
Row: [4]rune{'║', ' ', '║', '║'},
Wrap: [4]rune{'║', '↵', '║', '║'},
End: [4]rune{'╚', '═', '╩', '╝'},
}
}
// DefaultTableSummary is the default table summary.
//
// Default table summaries look like the following:
//
// (3 rows)
func DefaultTableSummary() Summary {
return map[int]func(io.Writer, int) (int, error){
1: func(w io.Writer, count int) (int, error) {
return fmt.Fprintf(w, "(%d row)", count)
},
-1: func(w io.Writer, count int) (int, error) {
return fmt.Fprintf(w, "(%d rows)", count)
},
}
}
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