From 1f9e4a682d3acf36aa7ee1279f1f9cc928bcd5fd Mon Sep 17 00:00:00 2001 From: Jeff Carr Date: Sat, 11 Jan 2025 04:03:41 -0600 Subject: rename files --- generateFind.go | 169 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 generateFind.go (limited to 'generateFind.go') 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, "") +} -- cgit v1.2.3