build.bash: changed the resourse creation message

.build_register

@@ -1 +1 @@
-1.12.0 53
+1.14.0 35

build.bash

@@ -14,7 +14,7 @@ function usage() {
 	msgln "USAGE:"
 	#msgln "      ${prog} <program-name> <program-version> <os>/<platform>..."
 	msgln "      ${prog} <os>/<platform>..."
-	msgln "      ${prog} --dev           Build the local exec"
+	msgln "      ${prog} --local           Build the local exec"
 	msgln "      ${prog} --init          Create the resource file in the current directory"
 	msgln
 	if [ -r "${RESOURCE_FILE}" ]; then
@@ -64,8 +64,8 @@ platform=("linux/amd64" "darwin/arm64")
 #--- end of file ---
 
 eot
-	msgln "Resource file '${RESOURCE_FILE}' create"
-	${EDITOR-vi} "${RESOURCE_FILE}"
+	msgln "Resource file '${RESOURCE_FILE}' create. Edit it to set valid values."
+	#${EDITOR-vi} "${RESOURCE_FILE}"
 	exit
 fi
 
@@ -148,11 +148,34 @@ function gitTag() {
 	echo ${tag}
 }
 
+function gitTagDate() {
+	local tag_name=${1}
+	local expr_path gopath gopkg mod
+	local tag_date
+
+	expr_path=$(exprPath)
+	if [[ "${expr_path}" ]]; then
+		tag_date=$(git -C "${expr_path}" show --no-patch --format=%ci "${tag_name}")
+	else
+		tag_date="n/a"
+		# gopath=$(go env GOPATH)
+		# gopkg="${gopath}/pkg/mod/git.portale-stac.it/go-pkg"
+		# if cd "${gopkg}" 2>/dev/null; then
+		# 	mod=$(ls -1v |grep expr@|tail -1)
+		# 	tag=${mod##*@}
+		# 	cd - >/dev/null
+		# fi
+	fi
+	echo ${tag_date}
+}
+
 function createVersionSource() {
-	local tag
+	local tag tag_date
 	tag=$(gitTag)
 	if [ -z "${tag}" ]; then
 		tag="n/a"
+	else
+		tag_date=$(gitTagDate "${tag}")
 	fi
 
 	cat >version.go <<eot
@@ -166,6 +189,7 @@ const (
 	PROGNAME     = "${PROGRAM_NAME}"
 	VERSION      = "v${PROGRAM_VERSION}(build $(getBuildCount)),$(date +"%Y/%m/%d") (celestino.amoroso@portale-stac.it)"
 	EXPR_VERSION = "${tag}"
+	EXPR_DATE    = "${tag_date}"
 )
 eot
 }
@@ -173,7 +197,7 @@ eot
 ## -- MAIN -- ##
 createVersionSource
 
-if [ "${1}" == "--dev" ]; then
+if [ "${1}" == "--local" ]; then
 	buildLocal
 	exit
 fi

container_setup.bash

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+GO_SRC="/go/src"
+PKG_PATTERN="git\.portale-stac\.it/[^ ]*"
+PKG_BRANCH=main
+
+#cd "${GO_SRC}"
+#git clone -b main https://git.portale-stac.it/go/dev-expr.git
+#cd "dev-expr"
+for pkg in $(grep -o "${PKG_PATTERN}" go.mod); do
+        go get "${pkg}@${PKG_BRANCH}"
+done
+./build.bash --local

main.go

@@ -20,7 +20,7 @@ import (
 
 const (
 	intro = PROGNAME + ` -- Expressions calculator ` + VERSION + `
-	Based on the Expr package ` + EXPR_VERSION + `
+	Based on the Expr package ` + EXPR_VERSION + ` (` + EXPR_DATE + `) 
 	Type help to get the list of available commands
 	See also https://git.portale-stac.it/go-pkg/expr/src/branch/main/README.adoc
 `
@@ -243,7 +243,8 @@ func isReaderTerminal(r io.Reader) bool {
 
 func registerLocalFunctions(ctx expr.ExprContext) {
 	const (
-		devParamProp = "prop"
+		devParamProp   = "prop"
+		devParamDigits = "digits"
 	)
 
 	aboutFunc := func(ctx expr.ExprContext, name string, args map[string]any) (result any, err error) {
@@ -300,6 +301,46 @@ func registerLocalFunctions(ctx expr.ExprContext) {
 		return
 	}
 
+	binFunc := func(ctx expr.ExprContext, name string, args map[string]any) (result any, err error) {
+		var value, digits int64
+		var ok bool
+		var sb strings.Builder
+
+		if value, ok = args[expr.ParamValue].(int64); !ok {
+			err = expr.ErrExpectedGot(name, expr.TypeInt, args[expr.ParamValue])
+			return
+		}
+		if digits, ok = args[devParamDigits].(int64); !ok {
+			err = expr.ErrExpectedGot(name, expr.TypeInt, args[devParamDigits])
+			return
+		}
+		if digits != 64 && digits != 32 && digits != 16 && digits != 8 {
+			err = fmt.Errorf("%s param allows 8, 16, 32, or 64 values only", devParamDigits)
+			return
+		}
+
+		mask := uint64(0)
+		for i := 0; i < int(digits); i++ {
+			mask |= (1 << i)
+		}
+		maskedValue := uint64(value) & mask
+		// if maskedValue != uint64(value) {
+		// 	err = fmt.Errorf("%s param (%d) is not compatible with the value (%d) of %s param", expr.ParamValue, value, digits, devParamDigits)
+		// 	return
+		// }
+
+		for i := int(digits) - 1; i >= 0; i-- {
+			if maskedValue&(1<<i) == 0 {
+				sb.WriteByte('0')
+			} else {
+				sb.WriteByte('1')
+			}
+		}
+
+		result = sb.String()
+		return
+	}
+
 	ctx.RegisterFunc("about", expr.NewGolangFunctor(aboutFunc), expr.TypeString, []expr.ExprFuncParam{})
 	ctx.RegisterFunc("ctrlList", expr.NewGolangFunctor(ctrlListFunc), expr.TypeListOfStrings, []expr.ExprFuncParam{})
 	ctx.RegisterFunc("ctrl", expr.NewGolangFunctor(ctrlFunc), expr.TypeAny, []expr.ExprFuncParam{
@@ -314,6 +355,10 @@ func registerLocalFunctions(ctx expr.ExprContext) {
 		expr.NewFuncParam(expr.ParamName),
 	})
 
+	ctx.RegisterFunc("bin", expr.NewGolangFunctor(binFunc), expr.TypeInt, []expr.ExprFuncParam{
+		expr.NewFuncParam(expr.ParamValue),
+		expr.NewFuncParamFlagDef(devParamDigits, expr.PfOptional|expr.PfDefault, int64(8)),
+	})
 }
 
 func main() {

version.txt

@@ -1 +1 @@
-1.12.0
+1.14.0