improve table package

README.md

@@ -56,9 +56,11 @@ each new build gets tested in multiple steps:
 * [re](https://github.com/SimonWaldherr/golibs#re-----) helps you whenever you have to do something multiple times
 * [regex](https://github.com/SimonWaldherr/golibs#regex-----) is a layer to speed up your regular expression development
 * [rss](https://github.com/SimonWaldherr/golibs#rss-----) is a rss feed parser based on Golangs std xml package
+* [semver](https://github.com/SimonWaldherr/golibs#semver-----) is a semantic version parsing/checking package
 * [ssl](https://github.com/SimonWaldherr/golibs#ssl-----) generates ssl certificates for https
 * [stack](https://github.com/SimonWaldherr/golibs#stack-----) can store your values in stacks and rings
 * [structs](https://github.com/SimonWaldherr/golibs#structs-----) use structs like maps
+* [table](https://github.com/SimonWaldherr/golibs#table-----) prints structs like ASCII or Markdown tables
 * [xmath](https://github.com/SimonWaldherr/golibs#xmath-----) provides a few mathematical functions like Sum, Median, Harmonic-mean, …
 * [xtime](https://github.com/SimonWaldherr/golibs#xtime-----) xtime implements a subset of strftime
 

table/example_test.go

@@ -2,6 +2,10 @@ package table
 
 import (
 	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"time"
 )
 
 // Beispiel-Datenstrukturen
@@ -26,12 +30,13 @@ func ExampleRenderASCII_noRotation() {
 
 	asciiTable, _ := RenderASCII(people, TableOption{Rotate: false})
 	fmt.Println(asciiTable)
+
 	// Output:
 	// +------+-----+------------------+
 	// | Name | Age | Email            |
 	// +------+-----+------------------+
-	// | John | 42  | [email protected] |
-	// | Jane | 32  | [email protected] |
+	// | John |  42 | [email protected] |
+	// | Jane |  32 | [email protected] |
 	// +------+-----+------------------+
 }
 
@@ -44,12 +49,13 @@ func ExampleRenderASCII_withRotation() {
 
 	rotatedASCIITable, _ := RenderASCII(people, TableOption{Rotate: true})
 	fmt.Println(rotatedASCIITable)
+
 	// Output:
 	// +-------+------------------+------------------+
 	// |       | Row 1            | Row 2            |
 	// +-------+------------------+------------------+
 	// | Name  | John             | Jane             |
-	// | Age   | 42               | 32               |
+	// | Age   |               42 |               32 |
 	// | Email | [email protected] | [email protected] |
 	// +-------+------------------+------------------+
 }
@@ -63,9 +69,87 @@ func ExampleRenderMarkdown_noRotation() {
 
 	markdownTable, _ := RenderMarkdown(people, TableOption{Rotate: false})
 	fmt.Println(markdownTable)
+
 	// Output:
 	// | Name | Age | Email            |
 	// |------|-----|------------------|
-	// | John | 42  | [email protected] |
-	// | Jane | 32  | [email protected] |
+	// | John |  42 | [email protected] |
+	// | Jane |  32 | [email protected] |
+}
+
+type TestStruct struct {
+	Name      string
+	Age       int
+	Salary    float64
+	StartDate time.Time
+}
+
+func ExampleParseCSVInput() {
+	csvData := `Name,Age,Salary,StartDate
+Alice,30,70000.50,2021-05-01T00:00:00Z
+Bob,22,48000.00,2022-07-15T00:00:00Z`
+	var data []TestStruct
+	err := ParseCSVInput(strings.NewReader(csvData), &data)
+	if err != nil {
+		fmt.Println(err)
+	}
+	markdownTable, _ := RenderMarkdown(data, TableOption{Rotate: false})
+	fmt.Println(markdownTable)
+
+	// Output:
+	// | Name  | Age | Salary  | StartDate            |
+	// |-------|-----|---------|----------------------|
+	// | Alice |  30 | 70000.5 | 2021-05-01T00:00:00Z |
+	// | Bob   |  22 |   48000 | 2022-07-15T00:00:00Z |
+}
+
+// Header represents a single HTTP header key-value pair
+type Header struct {
+	Key   string
+	Value string
+}
+
+func firstN(s string, n int) string {
+	i := 0
+	for j := range s {
+		if i == n {
+			return s[:j]
+		}
+		i++
+	}
+	return s
+}
+
+func handler(w http.ResponseWriter, r *http.Request) {
+	w.Write([]byte("Hello, Worldn"))
+}
+
+// ExampleRenderHTTPResponse demonstrates how to render HTTP response headers
+func ExampleRenderHTTPResponse() {
+	req := httptest.NewRequest("GET", "https://github.com", nil)
+	w := httptest.NewRecorder()
+	handler(w, req)
+	resp := w.Result()
+
+	defer resp.Body.Close()
+
+	// Convert headers to a slice of Header structs
+	var headers []Header
+	for key, values := range resp.Header {
+		for _, value := range values {
+			headers = append(headers, Header{Key: key, Value: firstN(value, 30)})
+		}
+	}
+
+	// Render the headers as a Markdown table
+	markdownTable, err := RenderMarkdown(headers, TableOption{Rotate: false})
+	if err != nil {
+		fmt.Println("Error:", err)
+		return
+	}
+	fmt.Println(markdownTable)
+	// Output:
+	// | Key          | Value                     |
+	// |--------------|---------------------------|
+	// | Content-Type | text/plain; charset=utf-8 |
 }