rename files

1 files changed, 169 insertions, 0 deletions

diff --git a/generateFind.go b/generateFind.go
new file mode 100644
index 0000000..c731fec
--- /dev/null
+++ b/generateFind.go
@@ -0,0 +1,169 @@
+package main
+
+import (
+	"fmt"
+	"io"
+
+	"go.wit.com/log"
+)
+
+// generates Find()
+
+// but really it has Append(), Delete() and some other stuff
+
+func (msg *MsgName) getLockname(s string) string {
+	// leave this function stubbed in for development of autogenpb
+	//	if argv.Mutex {
+	//		// use the mutex lock from the modified protoc.pb.go file
+	//		return s + ".Lock"
+	//		// return s // causes Marshal() to panic? always use the variable name 'Lock'?
+	//	}
+	// a single global lock by struct name
+	return msg.Lockname
+}
+
+func (msg *MsgName) findBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "// find a dependancy by the go path")
+	fmt.Fprintln(w, "func (x *"+FRUIT+") FindBy"+COLOR+"(s string) *"+APPLE+" {")
+	fmt.Fprintln(w, "	if x == nil {")
+	fmt.Fprintln(w, "		return nil")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	"+LOCK+".RLock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".RUnlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for i, _ := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if x."+APPLES+"[i]."+COLOR+" == s {")
+	fmt.Fprintln(w, "			return x."+APPLES+"[i]")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "	return nil")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+}
+
+// I like these functions the best.
+func (msg *MsgName) simpleAppend(w io.Writer, FRUIT, APPLES, APPLE string) {
+	LOCK := msg.getLockname("x")
+
+	log.Printf("\t\t(x %s) APPEND(%s)\n", FRUIT, APPLE)
+	// append -- no check at all
+	fmt.Fprintln(w, "// just a simple Append() shortcut (but still uses the mutex lock)")
+	fmt.Fprintln(w, "func (x *"+FRUIT+") Append(y *"+APPLE+") {")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	x."+APPLES+" = append(x."+APPLES+", y)")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+}
+
+func (msg *MsgName) appendUnique(w io.Writer, FRUIT, APPLES, APPLE string, COLORS []string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "// enforces "+APPLE+" is unique in "+FRUIT+"."+APPLES)
+	fmt.Fprintln(w, "func (x *"+FRUIT+") AppendUnique(newP *"+APPLE+") bool {")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for _, p := range x."+APPLES+" {")
+	for _, COLOR := range COLORS {
+		fmt.Fprintln(w, "		if p."+COLOR+" == newP."+COLOR+" {")
+		fmt.Fprintln(w, "			return false")
+		fmt.Fprintln(w, "		}")
+	}
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	x."+APPLES+" = append(x."+APPLES+", newP)")
+	fmt.Fprintln(w, "	return true")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+}
+
+func (msg *MsgName) appendUniqueBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "// enforces "+APPLE+"."+COLOR+" is unique in "+FRUIT+"."+APPLES)
+	fmt.Fprintln(w, "func (x *"+FRUIT+") AppendUniqueBy"+COLOR+"(newP *"+APPLE+") bool {")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for _, p := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if p."+COLOR+" == newP."+COLOR+" {")
+	fmt.Fprintln(w, "			return false")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	x."+APPLES+" = append(x."+APPLES+", newP)")
+	fmt.Fprintln(w, "	return true")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+}
+
+func (msg *MsgName) deleteBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "func (x *"+FRUIT+") DeleteBy"+COLOR+"(s string) bool {")
+	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]."+COLOR+" == 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, "")
+}
+
+// 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 string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "// TESTING fails with 'go vet' warning")
+	fmt.Fprintln(w, "func (x *"+FRUIT+") DeleteBy"+COLOR+"(s string) *"+APPLE+" {")
+	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]."+COLOR+" == 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, "")
+}
+
+func (msg *MsgName) insertBy(w io.Writer, FRUIT, APPLES, APPLE string, COLOR string) {
+	LOCK := msg.getLockname("x")
+
+	fmt.Fprintln(w, "// useful? remindme:1y")
+	fmt.Fprintln(w, "// returns an "+APPLE+" if "+COLOR+" matches, otherwise create")
+	fmt.Fprintln(w, "func (x *"+FRUIT+") InsertBy"+COLOR+" (y string) *"+APPLE+" {")
+	fmt.Fprintln(w, "	"+LOCK+".Lock()")
+	fmt.Fprintln(w, "	defer "+LOCK+".Unlock()")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	for _, p := range x."+APPLES+" {")
+	fmt.Fprintln(w, "		if p."+COLOR+" == y {")
+	fmt.Fprintln(w, "			return p")
+	fmt.Fprintln(w, "		}")
+	fmt.Fprintln(w, "	}")
+	fmt.Fprintln(w, "")
+	fmt.Fprintln(w, "	z := new("+APPLE+")")
+	fmt.Fprintln(w, "	z."+COLOR+" = y")
+	fmt.Fprintln(w, "	x."+APPLES+" = append(x."+APPLES+", z)")
+	fmt.Fprintln(w, "	return z")
+	fmt.Fprintln(w, "}")
+	fmt.Fprintln(w, "")
+}