94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"fmt"
|
|
"go/format"
|
|
"io/ioutil"
|
|
"log"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
const (
|
|
inputPath = "elements.txt"
|
|
outputPath = "elements.go"
|
|
packageName = "hatmill"
|
|
|
|
parentType = "parent"
|
|
emptyType = "empty"
|
|
|
|
parentTemplate = `func %s(attribs ...Attrib) func(children ...Term) *ParentElement {
|
|
return func(children ...Term) *ParentElement {
|
|
return &ParentElement{
|
|
EmptyElement: EmptyElement{
|
|
TagName: "%s",
|
|
Attribs: attribs,
|
|
},
|
|
Children: children,
|
|
}
|
|
}
|
|
}
|
|
`
|
|
emptyTemplate = `func %s(attribs ...Attrib) EmptyElement {
|
|
return EmptyElement{
|
|
TagName: "%s",
|
|
Attribs: attribs,
|
|
}
|
|
}
|
|
`
|
|
)
|
|
|
|
func main() {
|
|
inputFile, err := os.Open(inputPath)
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
defer inputFile.Close()
|
|
|
|
var output bytes.Buffer
|
|
|
|
fmt.Fprintln(&output, "// GENERATED BY gitlab.codemonkeysoftware.net/b/hatmill/internal/elementgen")
|
|
fmt.Fprintln(&output, "// DO NOT EDIT!\n")
|
|
fmt.Fprintln(&output, "package ", packageName, "\n")
|
|
|
|
scanner := bufio.NewScanner(inputFile)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
if line == "" {
|
|
continue
|
|
}
|
|
|
|
var tagName, elemType string
|
|
_, err = fmt.Sscanf(line, "%s %s", &tagName, &elemType)
|
|
if err != nil {
|
|
log.Fatalf("error parsing input line: %s", err)
|
|
}
|
|
|
|
var template string
|
|
switch elemType {
|
|
case parentType:
|
|
template = parentTemplate
|
|
case emptyType:
|
|
template = emptyTemplate
|
|
default:
|
|
log.Fatal("unknown element type: ", elemType)
|
|
}
|
|
fmt.Fprintf(&output, template, strings.Title(tagName), tagName)
|
|
}
|
|
if err := scanner.Err(); err != nil {
|
|
log.Fatalf("error scanning input: %s", err)
|
|
}
|
|
|
|
formatted, err := format.Source(output.Bytes())
|
|
if err != nil {
|
|
log.Fatalf("error formatting output: %s", err)
|
|
}
|
|
|
|
err = ioutil.WriteFile(outputPath, formatted, 0644)
|
|
if err != nil {
|
|
log.Fatalf("error writing output: %s", err)
|
|
}
|
|
}
|