Basic functionality that inspects a dir for go files, extracting todos

main.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"io/ioutil"
+	"regexp"
+
+	"github.com/davecgh/go-spew/spew"
+)
+
+const (
+	statusDir = "../status-go"
+	ignore = statusDir + "/vendor"
+)
+
+var (
+	found = map[string][]string{}
+)
+
+func main() {
+	err := processFilesInDir(statusDir)
+	if err != nil {
+		panic(err)
+	}
+
+	spew.Dump(found)
+}
+
+func processFilesInDir(dir string) error {
+	r, err := regexp.Compile("//.*([t,T][o,O][d,D][o,O]|[f,F][i,I][x,X][m,M][e,E])(.*)[\n,\r,\n\r,\r\n]")
+	if err != nil {
+		return err
+	}
+
+	files, err := ioutil.ReadDir(dir)
+	if err != nil {
+		return err
+	}
+
+	for _, f := range files {
+		filepath := dir + "/" + f.Name()
+
+		if filepath == ignore {
+			continue
+		}
+
+		if f.IsDir() {
+			err = processFilesInDir(filepath)
+			if err != nil {
+				return err
+			}
+		}
+
+		if !isGoFile(f.Name()){
+			continue
+		}
+
+		file, err := ioutil.ReadFile(filepath)
+		if err != nil {
+			return err
+		}
+
+		results := r.FindAllSubmatch(file, -1)
+		if results == nil {
+			continue
+		}
+
+		found[filepath] = []string{}
+
+		//spew.Dump(filepath, results)
+		for _, rst := range results {
+			spew.Dump(rst)
+			found[filepath] = append(found[filepath], string(rst[2]))
+		}
+
+	}
+
+	return nil
+}
+
+func isGoFile(name string) bool {
+	if len(name) < 3 {
+		return false
+	}
+	last := name[len(name)-3:]
+	return last == ".go"
+}