working parse

.gitignore

@@ -1 +1,2 @@
 mapserver
+world.mt

main.go

@@ -2,12 +2,16 @@ package main
 
 import (
 	"mapserver/params"
+	"mapserver/worldconfig"
+	"fmt"
 )
 
 func main() {
-	params.Parse()
-	p := params.Params()
+	p := params.Parse()
 	if p.Help {
 		return
 	}
+
+	worldcfg := worldconfig.Parse(p.Worlddir + "world.mt")
+	fmt.Println("Backend: ", worldcfg.Backend)
 }

params/params.go

@@ -10,13 +10,7 @@ type ParamsType struct {
 	Help     bool
 }
 
-var params ParamsType
-
-func Params() ParamsType {
-	return params
-}
-
-func Parse() {
+func Parse() ParamsType {
 	params := ParamsType{}
 
 	flag.StringVar(&(params.Worlddir), "worlddir", "./", "world directory")
@@ -27,4 +21,6 @@ func Parse() {
 	if params.Help {
 		flag.PrintDefaults()
 	}
+
+	return params
 }

worldconfig/parse.go

@@ -1,8 +1,53 @@
-package workdconfig
+package worldconfig
+
+import (
+	"bufio"
+	"os"
+	"strings"
+)
+
+const (
+	BACKEND_SQLITE3 string = "sqlite3"
+	BACKEND_FILES string = "files"
+	BACKEND_POSTGRES string = "postgresql"
+)
+
+const (
+	CONFIG_BACKEND string = "backend"
+	CONFIG_PLAYER_BACKEND string = "player_backend"
+)
 
 type WorldConfig struct {
+	Backend       string
+	PlayerBackend string
 }
 
-func Parse(data []byte) WorldConfig {
+func Parse(filename string) WorldConfig {
+	file, err := os.Open(filename)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
 
+	cfg := WorldConfig{}
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		sc := bufio.NewScanner(strings.NewReader(scanner.Text()))
+		sc.Split(bufio.ScanWords)
+		lastPart := ""
+		for sc.Scan() {
+			switch (lastPart) {
+			case CONFIG_BACKEND:
+				cfg.Backend = sc.Text()
+			case CONFIG_PLAYER_BACKEND:
+				cfg.PlayerBackend = sc.Text()
+			}
+
+			if sc.Text() != "=" {
+				lastPart = sc.Text()
+			}
+		}
+	}
+
+	return cfg
 }

worldconfig/parse_test.go

@@ -0,0 +1,26 @@
+package worldconfig_test
+
+import (
+	"testing"
+	worldconfig "mapserver/worldconfig"
+)
+
+func TestParseSqlite(t *testing.T) {
+	cfg := worldconfig.Parse("./testdata/world.mt.sqlite")
+	if cfg.Backend != worldconfig.BACKEND_SQLITE3 {
+		t.Fatal("not sqlite3")
+	}
+	if cfg.PlayerBackend != worldconfig.BACKEND_FILES {
+		t.Fatal("not files")
+	}
+}
+
+func TestParsePostgres(t *testing.T) {
+	cfg := worldconfig.Parse("./testdata/world.mt.postgres")
+	if cfg.Backend != worldconfig.BACKEND_POSTGRES {
+		t.Fatal("not postgres")
+	}
+	if cfg.PlayerBackend != worldconfig.BACKEND_POSTGRES {
+		t.Fatal("not postgres")
+	}
+}