Implement proper error handling, add godoc comments, and implement expressions
This commit is contained in:
parent
43c226257b
commit
5fed3e3ce4
77
ast.go
77
ast.go
@ -1,66 +1,105 @@
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package scpt
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import (
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"reflect"
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"strings"
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"fmt"
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"github.com/alecthomas/participle/lexer"
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)
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// AST stores the root of the Abstract Syntax Tree for scpt
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type AST struct {
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Pos lexer.Position
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Commands []*Command `@@*`
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}
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func (ast *AST) Execute() {
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// Execute traverses the AST and executes any commands, it returns an error
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// containing the position at which the error was encountered and the error
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// itself
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func (ast *AST) Execute() error {
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for _, cmd := range ast.Commands {
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if cmd.Vars != nil {
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for _, Var := range cmd.Vars {
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val := ParseValue(Var.Value)
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if strings.Contains(reflect.TypeOf(val).String(), ".FuncCall") {
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val, err := ParseValue(Var.Value)
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if err != nil {
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return fmt.Errorf("%s: %s", Var.Value.Pos, err)
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}
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if IsFuncCall(val) {
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Call := val.(*FuncCall)
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Vars[Var.Key], _ = CallFunction(Call)
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Vars[Var.Key], err = CallFunction(Call)
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if err != nil {
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return fmt.Errorf("%s: %s", Var.Value.Pos, err)
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}
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} else {
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Vars[Var.Key] = val
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}
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}
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} else if cmd.Calls != nil {
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for _, Call := range cmd.Calls {
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_, _ = CallFunction(Call)
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_, err := CallFunction(Call)
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if err != nil {
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return fmt.Errorf("%s: %s", Call.Pos, err)
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}
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}
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}
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}
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return nil
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}
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// Command stores any commands encountered while parsing a script
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type Command struct {
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Pos lexer.Position
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Vars []*Var `( @@`
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Calls []*FuncCall `| @@ )`
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}
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// FuncCall stores any function calls encountered while parsing a script
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type FuncCall struct {
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Name string `@Ident`
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Args []*Arg `@@*`
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Pos lexer.Position
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Name string `@Ident @("-" Ident)*`
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Args []*Arg `@@*`
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}
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// Arg stores arguments for function calls
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type Arg struct {
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Key string `"with" @Ident`
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Value *Value `@@`
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Pos lexer.Position
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Key string `("with" @Ident)?`
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Value *Value `@@`
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}
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// Var stores any variables encountered while parsing a script
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type Var struct {
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Key string `"set" @Ident "to"`
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Value *Value `@@`
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Pos lexer.Position
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Key string `"set" @Ident "to"`
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Value *Value `@@`
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}
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// Value stores any literal values encountered while parsing a script
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type Value struct {
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String *string ` @String`
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Float *float64 `| @Float`
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Integer *int64 `| @Int`
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Bool *Bool `| @("true" | "false")`
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SubCmd *FuncCall `| "(" @@ ")"`
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VarVal *string `| "$" @Ident`
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Pos lexer.Position
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String *string ` @String`
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Float *float64 `| @Float`
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Integer *int64 `| @Int`
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Bool *Bool `| @("true" | "false")`
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SubCmd *FuncCall `| "(" @@ ")"`
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VarVal *string `| "$" @Ident`
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Expr *Expression `| "{" @@ "}"`
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}
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// Bool stores boolean values encountered while parsing a script.
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// It is required for the Capture method
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type Bool bool
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// Capture parses a boolean literal encountered in the script into
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// a Go boolean value
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func (b *Bool) Capture(values []string) error {
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*b = values[0] == "true"
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return nil
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}
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// Expression stores any expressions encountered while parsing a
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// script for later evaluation
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type Expression struct {
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Pos lexer.Position
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Left *Value `@@`
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Op string `@( ">" | ">" "=" | "<" | "<" "=" | "!" "=" | "=" "=" | "+" | "-" | "*" | "/" | "^" | "%")`
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Right *Value `@@`
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}
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@ -23,5 +23,8 @@ func main() {
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if err != nil {
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log.Fatalln("Error parsing file:", err)
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}
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ast.Execute()
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err = ast.Execute()
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if err != nil {
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log.Fatalln("Error executing script:", err)
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}
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}
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54
defaults.go
Normal file
54
defaults.go
Normal file
@ -0,0 +1,54 @@
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package scpt
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import (
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"errors"
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"fmt"
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"github.com/gen2brain/dlgs"
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"os"
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"os/exec"
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)
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func displayDialog(args map[string]interface{}) (interface{}, error) {
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title, ok := args["title"]
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if !ok {
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return nil, errors.New("title not provided")
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}
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text, ok := args[""]
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if !ok {
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return nil, errors.New("text not provided")
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}
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switch args["type"] {
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case "yesno":
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return dlgs.Question(fmt.Sprint(title), fmt.Sprint(text), true)
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case "info":
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return dlgs.Info(fmt.Sprint(title), fmt.Sprint(text))
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case "error":
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return dlgs.Error(fmt.Sprint(title), fmt.Sprint(text))
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case "entry":
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defaultText, ok := args["default"]
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if !ok {
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defaultText = ""
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}
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input, _, err := dlgs.Entry(fmt.Sprint(title), fmt.Sprint(text), fmt.Sprint(defaultText))
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return input, err
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default:
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return nil, fmt.Errorf("unknown dialog type: %v", args["type"])
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}
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}
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func doShellScript(args map[string]interface{}) (interface{}, error) {
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script, ok := args[""].(string)
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if ok {
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cmd := exec.Command("sh", "-c", script)
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cmd.Stdout = os.Stdout
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_ = cmd.Run()
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return "", nil
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} else {
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return nil, errors.New("script not provided")
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}
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}
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func print(args map[string]interface{}) (interface{}, error) {
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fmt.Println(args)
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return nil, nil
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}
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3
go.mod
3
go.mod
@ -4,5 +4,8 @@ go 1.16
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require (
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github.com/alecthomas/participle v0.7.1
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github.com/antonmedv/expr v1.8.9
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github.com/gen2brain/dlgs v0.0.0-20210222160047-2f436553172f
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github.com/gopherjs/gopherjs v0.0.0-20210202160940-bed99a852dfe // indirect
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github.com/rs/zerolog v1.20.0
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)
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54
go.sum
54
go.sum
@ -1,18 +1,70 @@
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github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
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github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
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github.com/alecthomas/participle v0.7.1 h1:2bN7reTw//5f0cugJcTOnY/NYZcWQOaajW+BwZB5xWs=
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github.com/alecthomas/participle v0.7.1/go.mod h1:HfdmEuwvr12HXQN44HPWXR0lHmVolVYe4dyL6lQ3duY=
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github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1 h1:GDQdwm/gAcJcLAKQQZGOJ4knlw+7rfEQQcmwTbt4p5E=
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github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
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github.com/antonmedv/expr v1.8.9 h1:O9stiHmHHww9b4ozhPx7T6BK7fXfOCHJ8ybxf0833zw=
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github.com/antonmedv/expr v1.8.9/go.mod h1:5qsM3oLGDND7sDmQGDXHkYfkjYMUX14qsgqmHhwGEk8=
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github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
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github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
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github.com/davecgh/go-spew v0.0.0-20161028175848-04cdfd42973b/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
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github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
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github.com/gdamore/tcell v1.3.0 h1:r35w0JBADPZCVQijYebl6YMWWtHRqVEGt7kL2eBADRM=
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github.com/gdamore/tcell v1.3.0/go.mod h1:Hjvr+Ofd+gLglo7RYKxxnzCBmev3BzsS67MebKS4zMM=
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github.com/gen2brain/dlgs v0.0.0-20210222160047-2f436553172f h1:HPKrg4xeWLWOGAJGVJIYXWhVSdy2kaihuoSy7kBP7S4=
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github.com/gen2brain/dlgs v0.0.0-20210222160047-2f436553172f/go.mod h1:/eFcjDXaU2THSOOqLxOPETIbHETnamk8FA/hMjhg/gU=
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github.com/gopherjs/gopherjs v0.0.0-20210202160940-bed99a852dfe h1:rcf1P0fm+1l0EjG16p06mYLj9gW9X36KgdHJ/88hS4g=
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github.com/gopherjs/gopherjs v0.0.0-20210202160940-bed99a852dfe/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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github.com/lucasb-eyer/go-colorful v1.0.2/go.mod h1:0MS4r+7BZKSJ5mw4/S5MPN+qHFF1fYclkSPilDOKW0s=
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github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
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github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
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github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
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github.com/mattn/go-runewidth v0.0.8 h1:3tS41NlGYSmhhe/8fhGRzc+z3AYCw1Fe1WAyLuujKs0=
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github.com/mattn/go-runewidth v0.0.8/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
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github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
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github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
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github.com/pmezard/go-difflib v0.0.0-20151028094244-d8ed2627bdf0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rivo/tview v0.0.0-20200219210816-cd38d7432498 h1:4CFNy7/q7P06AsIONZzuWy7jcdqEmYQvOZ9FAFZdbls=
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github.com/rivo/tview v0.0.0-20200219210816-cd38d7432498/go.mod h1:6lkG1x+13OShEf0EaOCaTQYyB7d5nSbb181KtjlS+84=
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github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
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github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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github.com/rs/xid v1.2.1 h1:mhH9Nq+C1fY2l1XIpgxIiUOfNpRBYH1kKcr+qfKgjRc=
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github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
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github.com/rs/zerolog v1.20.0 h1:38k9hgtUBdxFwE34yS8rTHmHBa4eN16E4DJlv177LNs=
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github.com/rs/zerolog v1.20.0/go.mod h1:IzD0RJ65iWH0w97OQQebJEvTZYvsCUm9WVLWBQrJRjo=
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github.com/sanity-io/litter v1.2.0 h1:DGJO0bxH/+C2EukzOSBmAlxmkhVMGqzvcx/rvySYw9M=
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github.com/sanity-io/litter v1.2.0/go.mod h1:JF6pZUFgu2Q0sBZ+HSV35P8TVPI1TTzEwyu9FXAw2W4=
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github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
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github.com/stretchr/testify v0.0.0-20161117074351-18a02ba4a312/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
|
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
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github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
|
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github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
|
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
|
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
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golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
|
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golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
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golang.org/x/sync v0.0.0-20190423024810-112230192c58 h1:8gQV6CLnAEikrhgkHFbMAEhagSSnXWGV915qUMm9mrU=
|
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golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
|
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
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golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
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golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4 h1:sfkvUWPNGwSV+8/fNqctR5lS2AqCSqYwXdrjCxp/dXo=
|
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golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
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golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
|
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golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
|
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
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golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74 h1:4cFkmztxtMslUX2SctSl+blCyXfpzhGOy9LhKAqSMA4=
|
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golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
|
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golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7 h1:9zdDQZ7Thm29KFXgAX/+yaf3eVbP7djjWp/dXAppNCc=
|
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golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
|
||||
|
||||
161
scpt.go
161
scpt.go
@ -4,34 +4,42 @@ import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"github.com/alecthomas/participle"
|
||||
"github.com/gen2brain/dlgs"
|
||||
"github.com/antonmedv/expr"
|
||||
"io"
|
||||
"os"
|
||||
"os/exec"
|
||||
"reflect"
|
||||
"strings"
|
||||
)
|
||||
|
||||
// Vars stores any variables set during script runtime
|
||||
var Vars = map[string]interface{}{}
|
||||
|
||||
// FuncMap is a map of strings mapped to suitable script functions
|
||||
type FuncMap map[string]func(map[string]interface{}) (interface{}, error)
|
||||
|
||||
// Funcs stores the functions allowed for use in a script
|
||||
var Funcs = FuncMap{
|
||||
"displaydialog": displayDialog,
|
||||
"doshellscript": doShellScript,
|
||||
"display-dialog": displayDialog,
|
||||
"do-shell-script": doShellScript,
|
||||
"print": print,
|
||||
}
|
||||
|
||||
// AddFuncs adds all functions from the provided FuncMap into
|
||||
// the Funcs variable
|
||||
func AddFuncs(fnMap FuncMap) {
|
||||
for name, fn := range fnMap {
|
||||
Funcs[name] = fn
|
||||
}
|
||||
}
|
||||
|
||||
// AddVars adds all functions from the provided map into
|
||||
// the Vars variable
|
||||
func AddVars(varMap map[string]interface{}) {
|
||||
for name, val := range varMap {
|
||||
Vars[name] = val
|
||||
}
|
||||
}
|
||||
|
||||
// Parse uses participle to parse a script from r into a new AST
|
||||
func Parse(r io.Reader) (*AST, error) {
|
||||
parser, err := participle.Build(&AST{})
|
||||
if err != nil {
|
||||
@ -45,71 +53,102 @@ func Parse(r io.Reader) (*AST, error) {
|
||||
return ast, nil
|
||||
}
|
||||
|
||||
func ParseValue(val *Value) interface{} {
|
||||
// ParseValue parses a Value struct into a go value
|
||||
func ParseValue(val *Value) (interface{}, error) {
|
||||
if val.String != nil {
|
||||
return strings.Trim(*val.String, `"`)
|
||||
return strings.Trim(*val.String, `"`), nil
|
||||
} else if val.Bool != nil {
|
||||
return *val.Bool
|
||||
return *val.Bool, nil
|
||||
} else if val.Float != nil {
|
||||
return *val.Float
|
||||
return *val.Float, nil
|
||||
} else if val.Integer != nil {
|
||||
return *val.Integer
|
||||
return *val.Integer, nil
|
||||
} else if val.SubCmd != nil {
|
||||
return val.SubCmd
|
||||
return val.SubCmd, nil
|
||||
} else if val.VarVal != nil {
|
||||
return Vars[*val.VarVal]
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func UnwrapArgs(args []*Arg) map[string]interface{} {
|
||||
argMap := map[string]interface{}{}
|
||||
for _, arg := range args {
|
||||
argMap[arg.Key] = ParseValue(arg.Value)
|
||||
}
|
||||
return argMap
|
||||
}
|
||||
|
||||
func CallFunction(call *FuncCall) (interface{}, error) {
|
||||
argMap := UnwrapArgs(call.Args)
|
||||
return Funcs[call.Name](argMap)
|
||||
}
|
||||
|
||||
func displayDialog(args map[string]interface{}) (interface{}, error) {
|
||||
title, ok := args["title"]
|
||||
if !ok {
|
||||
return nil, errors.New("title not provided")
|
||||
}
|
||||
text, ok := args["text"]
|
||||
if !ok {
|
||||
return nil, errors.New("text not provided")
|
||||
}
|
||||
switch args["type"] {
|
||||
case "yesno":
|
||||
return dlgs.Question(fmt.Sprint(title), fmt.Sprint(text), true)
|
||||
case "info":
|
||||
return dlgs.Info(fmt.Sprint(title), fmt.Sprint(text))
|
||||
case "error":
|
||||
return dlgs.Error(fmt.Sprint(title), fmt.Sprint(text))
|
||||
case "entry":
|
||||
defaultText, ok := args["default"]
|
||||
if !ok {
|
||||
defaultText = ""
|
||||
return Vars[*val.VarVal], nil
|
||||
} else if val.Expr != nil {
|
||||
left, _ := ParseValue(val.Expr.Left)
|
||||
if isStr(left) {
|
||||
left = requoteStr(left.(string))
|
||||
}
|
||||
input, _, err := dlgs.Entry(fmt.Sprint(title), fmt.Sprint(text), fmt.Sprint(defaultText))
|
||||
return input, err
|
||||
right, _ := ParseValue(val.Expr.Right)
|
||||
if isStr(right) {
|
||||
right = requoteStr(right.(string))
|
||||
}
|
||||
exp := fmt.Sprintf(
|
||||
"%v %s %v",
|
||||
left,
|
||||
val.Expr.Op,
|
||||
right,
|
||||
)
|
||||
fmt.Println(exp)
|
||||
program, err := expr.Compile(strings.ReplaceAll(exp, "^", "**"))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
out, err := expr.Run(program, Vars)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return out, nil
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
func doShellScript(args map[string]interface{}) (interface{}, error) {
|
||||
script, ok := args["content"].(string)
|
||||
if ok {
|
||||
cmd := exec.Command("sh", "-c", script)
|
||||
cmd.Stdout = os.Stdout
|
||||
_ = cmd.Run()
|
||||
return "", nil
|
||||
} else {
|
||||
return nil, errors.New("script not provided")
|
||||
}
|
||||
// Add quotes to an unquoted string
|
||||
func requoteStr(s string) string {
|
||||
return `"` + s + `"`
|
||||
}
|
||||
|
||||
// Check if i is a string
|
||||
func isStr(i interface{}) bool {
|
||||
if reflect.TypeOf(i).String() == "string" {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// UnwrapArgs takes a slice of Arg structs and returns a map
|
||||
// storing the argument name and its value. If the argument has
|
||||
// no name, its key will be an empty string
|
||||
func UnwrapArgs(args []*Arg) (map[string]interface{}, error) {
|
||||
argMap := map[string]interface{}{}
|
||||
for _, arg := range args {
|
||||
val, err := ParseValue(arg.Value)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if IsFuncCall(val) {
|
||||
argMap[arg.Key], err = CallFunction(val.(*FuncCall))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
continue
|
||||
}
|
||||
argMap[arg.Key] = val
|
||||
}
|
||||
return argMap, nil
|
||||
}
|
||||
|
||||
// IsFuncCall checks if val is a FuncCall struct
|
||||
func IsFuncCall(val interface{}) bool {
|
||||
if strings.Contains(reflect.TypeOf(val).String(), ".FuncCall") {
|
||||
return true
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// CallFunction executes a given function call in the form of
|
||||
// a FuncCall struct
|
||||
func CallFunction(call *FuncCall) (interface{}, error) {
|
||||
argMap, err := UnwrapArgs(call.Args)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
fn, ok := Funcs[call.Name]
|
||||
if !ok {
|
||||
return nil, errors.New("no such function: " + call.Name)
|
||||
}
|
||||
return fn(argMap)
|
||||
}
|
||||
11
test.scpt
11
test.scpt
@ -1,5 +1,6 @@
|
||||
set y to (displaydialog with text "Hello" with title 12 with type "yesno")
|
||||
displaydialog with text "Goodbye" with title 21 with type "error"
|
||||
doshellscript with content "notify-send Test Notification"
|
||||
set g to (displaydialog with text "Test 2" with title 30 with type "entry" with default "text")
|
||||
set x to $g
|
||||
set y to (display-dialog "Hello" with title 12 with type "yesno")
|
||||
display-dialog "Goodbye" with title 21 with type "error"
|
||||
do-shell-script "notify-send Test Notification"
|
||||
print (display-dialog {"Test " + "2"} with title 30 with type "entry" with default "text")
|
||||
set x to $y
|
||||
print { 3+4 }
|
||||
Loading…
Reference in New Issue
Block a user