split the parser up, and have read methods like write emethods

1 files changed, 65 insertions, 0 deletions

diff --git a/ez.go b/ez.go
new file mode 100644
index 0000000..4c220b5
--- /dev/null
+++ b/ez.go
@@ -0,0 +1,65 @@
+package libfastimport
+
+import (
+	"strconv"
+
+	"git.lukeshu.com/go/libfastimport/textproto"
+)
+
+type ezfiw struct {
+	fiw *textproto.FIWriter
+	err error
+}
+
+func (e *ezfiw) WriteLine(a ...interface{}) {
+	if e.err == nil {
+		e.err = e.fiw.WriteLine(a...)
+	}
+}
+
+func (e *ezfiw) WriteData(data string) {
+	if e.err == nil {
+		e.err = e.fiw.WriteData(data)
+	}
+}
+
+func (e *ezfiw) WriteMark(idnum int) {
+	if e.err == nil {
+		e.err = e.fiw.WriteLine("mark", ":"+strconv.Itoa(idnum))
+	}
+}
+
+type ezfir struct {
+	fir fiReader
+	err error
+}
+
+func (e *ezfir) Defer() error {
+	if r := recover(); r != nil {
+		if e.err != nil {
+			return e.err
+		}
+		panic(r)
+	}
+	return nil
+}
+
+func (e *ezfir) Errcheck(err error) {
+	if err == nil {
+		return
+	}
+	e.err = err
+	panic("everything is fine")
+}
+
+func (e *ezfir) PeekLine() string {
+	line, err := e.fir.PeekLine()
+	e.Errcheck(err)
+	return line
+}
+
+func (e *ezfir) ReadLine() string {
+	line, err := e.fir.ReadLine()
+	e.Errcheck(err)
+	return line
+}