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example_test.go
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//
// Copyright (c) 2020-2021 Markku Rossi
//
// All rights reserved.
//
package tabulate
import (
"encoding/json"
"fmt"
"log"
"os"
"strings"
)
func tabulateStyle(style Style) *Tabulate {
tab := New(style)
tab.Header("Year").SetAlign(MR)
tab.Header("Income").SetAlign(MR)
row := tab.Row()
row.Column("2018")
row.Column("100")
row = tab.Row()
row.Column("2019")
row.Column("110")
row = tab.Row()
row.Column("2020")
row.Column("200")
return tab
}
func ExampleStyle_csv() {
tabulateStyle(CSV).Print(os.Stdout)
}
func ExampleTabulate_Row() {
tab := New(Unicode)
tab.Header("Year").SetAlign(MR)
tab.Header("Income").SetAlign(MR)
row := tab.Row()
row.Column("2018")
row.Column("100")
row = tab.Row()
row.Column("2019")
row.Column("110")
row = tab.Row()
row.Column("2020")
row.Column("200")
tab.Print(os.Stdout)
// Output: ┏━━━━━━┳━━━━━━━━┓
// ┃ Year ┃ Income ┃
// ┡━━━━━━╇━━━━━━━━┩
// │ 2018 │ 100 │
// │ 2019 │ 110 │
// │ 2020 │ 200 │
// └──────┴────────┘
}
func ExampleTabulate_Header() {
tab := New(Unicode)
tab.Header("Year").SetAlign(MR)
tab.Header("Income").SetAlign(MR)
tab.Print(os.Stdout)
// Output: ┏━━━━━━┳━━━━━━━━┓
// ┃ Year ┃ Income ┃
// ┗━━━━━━┻━━━━━━━━┛
}
func ExampleNew() {
tab := New(Unicode)
lines := strings.Split(`Year,Income,Source
2018,100,Salary
2019,110,Consultation
2020,200,Lottery`, "\n")
// Table headers.
for _, hdr := range strings.Split(lines[0], ",") {
tab.Header(hdr)
}
// Table data rows.
for _, line := range lines[1:] {
row := tab.Row()
for _, col := range strings.Split(line, ",") {
row.Column(col)
}
}
tab.Print(os.Stdout)
// Output: ┏━━━━━━┳━━━━━━━━┳━━━━━━━━━━━━━━┓
// ┃ Year ┃ Income ┃ Source ┃
// ┡━━━━━━╇━━━━━━━━╇━━━━━━━━━━━━━━┩
// │ 2018 │ 100 │ Salary │
// │ 2019 │ 110 │ Consultation │
// │ 2020 │ 200 │ Lottery │
// └──────┴────────┴──────────────┘
}
func ExampleReflect() {
type Person struct {
Name string
}
type Book struct {
Title string
Author []Person
Publisher string
Published int
}
tab := New(ASCII)
tab.Header("Key").SetAlign(ML)
tab.Header("Value")
err := Reflect(tab, InheritHeaders, nil, &Book{
Title: "Structure and Interpretation of Computer Programs",
Author: []Person{
{
Name: "Harold Abelson",
},
{
Name: "Gerald Jay Sussman",
},
{
Name: "Julie Sussman",
},
},
Publisher: "MIT Press",
Published: 1985,
})
if err != nil {
log.Fatal(err)
}
tab.Print(os.Stdout)
// Output: +-----------+---------------------------------------------------+
// | Key | Value |
// +-----------+---------------------------------------------------+
// | Title | Structure and Interpretation of Computer Programs |
// | | +------+----------------+ |
// | | | Key | Value | |
// | | +------+----------------+ |
// | | | Name | Harold Abelson | |
// | | +------+----------------+ |
// | | +------+--------------------+ |
// | | | Key | Value | |
// | Author | +------+--------------------+ |
// | | | Name | Gerald Jay Sussman | |
// | | +------+--------------------+ |
// | | +------+---------------+ |
// | | | Key | Value | |
// | | +------+---------------+ |
// | | | Name | Julie Sussman | |
// | | +------+---------------+ |
// | Publisher | MIT Press |
// | Published | 1985 |
// +-----------+---------------------------------------------------+
}
func ExampleArray() {
tab, err := Array(New(ASCII), [][]interface{}{
{"a", "b", "c"},
{"1", "2", "3"},
})
if err != nil {
log.Fatal(err)
}
tab.Print(os.Stdout)
// Output: +---+---+---+
// | a | b | c |
// +---+---+---+
// | 1 | 2 | 3 |
// +---+---+---+
}
func ExampleArray_second() {
tab, err := Array(New(Unicode), [][]interface{}{
{"int", "float", "struct"},
{42, 3.14, struct {
ival int
strval string
}{
ival: 42,
strval: "Hello, world!",
}},
})
if err != nil {
log.Fatal(err)
}
tab.Print(os.Stdout)
// Output: ┏━━━━━┳━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
// ┃ int ┃ float ┃ struct ┃
// ┡━━━━━╇━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
// │ 42 │ 3.14 │ ┌────────┬───────────────┐ │
// │ │ │ │ ival │ 42 │ │
// │ │ │ │ strval │ Hello, world! │ │
// │ │ │ └────────┴───────────────┘ │
// └─────┴───────┴────────────────────────────┘
}
func ExampleTabulate_MarshalJSON() {
tab := New(Unicode)
tab.Header("Key").SetAlign(MR)
tab.Header("Value").SetAlign(ML)
row := tab.Row()
row.Column("Boolean")
row.ColumnData(NewValue(false))
row = tab.Row()
row.Column("Integer")
row.ColumnData(NewValue(42))
data, err := json.Marshal(tab)
if err != nil {
log.Fatalf("JSON marshal failed: %s", err)
}
fmt.Println(string(data))
// Output: {"Boolean":false,"Integer":42}
}