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move: log parsers

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This commit is contained in:
Inanc Gumus
2019-08-28 20:23:38 +03:00
parent 0a121cd911
commit 9afbe8f350
123 changed files with 1018 additions and 1515 deletions
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32
x-tba/project-pricings/main.go
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@@ -1,32 +0,0 @@
// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
package main
// Remember: This should point to the directory exactly after GOPATH
// Use / not \ even on Windows
import (
"fmt"
)
func main() {
// TODO: funcs can call other funcs
const data = `New York,100,2,1,100000
Hong Kong,150,3,2,300000
Paris,200,4,3,250000
Istanbul,500,10,5,four hundred thousand`
props, err := parse(data)
if err != nil {
fmt.Printf("> err: %s\n\n", err)
}
show(props)
// fmt.Printf("%#v\n", props.list)
}

84
x-tba/project-pricings/parse.go
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@@ -1,84 +0,0 @@
// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
package main
import (
"strconv"
"strings"
)
const separator = ","
// Parse parses the given data and returns a slice of Properties
func parse(data string) (props []property, err error) {
rows := strings.Split(data, "\n")
for _, row := range rows {
cols := strings.Split(row, separator)
loc := cols[0]
// size, err := strconv.Atoi(cols[1])
// if err != nil {
// return props, err
// }
// beds, err := strconv.Atoi(cols[2])
// if err != nil {
// return props, err
// }
// baths, err := strconv.Atoi(cols[3])
// if err != nil {
// return props, err
// }
// price, err := strconv.Atoi(cols[4])
// if err != nil {
// return props, err
// }
size, err := atoi(cols[1], err)
beds, err := atoi(cols[2], err)
baths, err := atoi(cols[3], err)
price, err := atoi(cols[4], err)
if err != nil {
return props, err
}
prop := property{
location: loc,
size: size,
beds: beds,
baths: baths,
price: price,
}
props = append(props, prop)
}
return
}
// atoi is a helper for strconv.Atoi
// it saves the previous error to simplify the error handling.
// usage:
// n, err := atoi(p, err)
// m, err := atoi(q, err)
func atoi(s string, err error) (int, error) {
// if there was an error return it instead: skip the Atoi
if err != nil {
return 0, err
}
n, lerr := strconv.Atoi(s)
if lerr != nil {
return 0, lerr
}
return n, nil
}

65
x-tba/project-pricings/parse_test.go
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@@ -1,65 +0,0 @@
package main
import (
"reflect"
"testing"
)
func TestParse(t *testing.T) {
const data = `New York,100,2,1,100000
Istanbul,150,3,2,200000`
props := parse(data)
if l := len(props); l != 2 {
t.Fatalf(`got: %d; want: 2`, l)
}
want := Property{
Location: "New York",
Size: 100, Beds: 2, Baths: 1, Price: 100000,
}
p := props[0]
if !reflect.DeepEqual(want, p) {
t.Errorf(`got: %#v; want: %#v`, p, want)
}
want = Property{
Location: "Istanbul",
Size: 150, Beds: 3, Baths: 2, Price: 200000,
}
p = props[1]
if !reflect.DeepEqual(want, p) {
t.Errorf(`got: %#v; want: %#v`, p, want)
}
}
func TestParseBetter(t *testing.T) {
const data = `New York,100,2,1,100000
Istanbul,150,3,2,200000`
tests := []Property{
{
Location: "New York",
Size: 100, Beds: 2, Baths: 1, Price: 100000,
},
{
Location: "Istanbul",
Size: 150, Beds: 3, Baths: 2, Price: 200000,
},
}
props := parse(data)
if l := len(props); l != 2 {
t.Fatalf(`got: %d; want: 2`, l)
}
for i, p := range tests {
if !reflect.DeepEqual(p, props[i]) {
t.Errorf(`got: %#v; want: %#v`, props[i], p)
}
}
}

37
x-tba/project-pricings/print.go
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@@ -1,37 +0,0 @@
// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
package main
import (
"fmt"
"strings"
)
// show shows the given properties
func show(props []property) {
showHeader()
for _, p := range props {
fmt.Printf("%-15s", p.location)
fmt.Printf("%-15d", p.size)
fmt.Printf("%-15d", p.beds)
fmt.Printf("%-15d", p.baths)
fmt.Printf("%-15d", p.price)
fmt.Println()
}
}
// showHeader prints the header
func showHeader() {
const header = "Location,Size,Beds,Baths,Price"
for _, h := range strings.Split(header, separator) {
fmt.Printf("%-15s", h)
}
fmt.Printf("\n%s\n", strings.Repeat("=", 75))
}

14
x-tba/project-pricings/property.go
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@@ -1,14 +0,0 @@
// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
package main
// property stores data about a property
type property struct {
location string
size, beds, baths, price int
}

2
x-tba/tictactoe-experiments/01-without-funcs/main.go
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@@ -145,6 +145,6 @@ func main() {
}
if err := ioutil.WriteFile("replay.log", inputs, 0644); err != nil {
fmt.Fprintf(os.Stderr, "Cannot save replay: ", err)
fmt.Fprintf(os.Stderr, "Cannot save replay: %v", err)
}
}