add Delete()v0.0.47

1 files changed, 80 insertions, 0 deletions

diff --git a/generateDelete.go b/generateDelete.go
new file mode 100644
index 0000000..96378eb
--- /dev/null
+++ b/generateDelete.go
@@ -0,0 +1,80 @@
+package main
+
+import (
+	"fmt"
+	"io"
+)
+
+// generate Delete() functions
+
+func (msg *MsgName) addDeleteFunc(w io.Writer, FRUIT, APPLES, APPLE string) string {
+	LOCK := msg.getLockname("x")
+	funcdef := "func (x *" + FRUIT + ") Delete(y *" + APPLE + ") bool"
+
+	fmt.Fprintln(w, funcdef, "{")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for i, _ := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if x."+APPLES+"[i] == y {")
+	fmt.Fprintln(w, "			x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			return true")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "	return false")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+
+	return funcdef
+}
+
+func (msg *MsgName) deleteBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
+	LOCK := msg.getLockname("x")
+	funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) bool"
+
+	fmt.Fprintln(w, funcdef, "{")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for i, _ := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if x."+APPLES+"[i]."+VARNAME+" == s {")
+	fmt.Fprintln(w, "			x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			return true")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "	return false")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+
+	return funcdef
+}
+
+// this tries to return the deleted one but is wrong/gives warning if mutex lock is in struct
+func (msg *MsgName) deleteByWithCopy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
+	LOCK := msg.getLockname("x")
+
+	funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) *" + APPLE
+
+	fmt.Fprintln(w, "// TESTING fails with 'go vet' warning")
+	fmt.Fprintln(w, funcdef, "{")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	var newr "+APPLE)
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for i, _ := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if x."+APPLES+"[i]."+VARNAME+" == s {")
+	fmt.Fprintln(w, "			newr = *x."+APPLES+"[i]")
+	fmt.Fprintln(w, "			x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
+	fmt.Fprintln(w, "			return &newr")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "	return nil")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+
+	return funcdef
+}