149 lines
3.6 KiB
Go
149 lines
3.6 KiB
Go
package cli
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
// readStdin reads all of stdin, printing a hint if the input is a terminal.
|
|
func readStdin() (string, error) {
|
|
if isTerminal(os.Stdin) {
|
|
fmt.Fprintln(os.Stderr, "Reading from stdin, press Ctrl-D when done.")
|
|
}
|
|
data, err := io.ReadAll(os.Stdin)
|
|
if err != nil {
|
|
return "", fmt.Errorf("reading stdin: %w", err)
|
|
}
|
|
return string(data), nil
|
|
}
|
|
|
|
// evalAndFormat runs a Lua script via conn and formats the output.
|
|
func evalAndFormat(cmd *cobra.Command, conn *SpaceConnection, script string) error {
|
|
result, err := conn.EvalLuaScript(script)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return FormatOutput(os.Stdout, result, OutputModeFromCmd(cmd))
|
|
}
|
|
|
|
func EvalCommand() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "eval <expression>",
|
|
Short: "Evaluate a Lua expression",
|
|
Args: cobra.ExactArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
conn, err := connFromFlags(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
result, err := conn.EvalLua(args[0])
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return FormatOutput(os.Stdout, result, OutputModeFromCmd(cmd))
|
|
},
|
|
}
|
|
return cmd
|
|
}
|
|
|
|
// LuaCommand returns a hidden alias for EvalCommand (backward compat).
|
|
func LuaCommand() *cobra.Command {
|
|
cmd := EvalCommand()
|
|
cmd.Use = "lua <expression>"
|
|
cmd.Hidden = true
|
|
return cmd
|
|
}
|
|
|
|
func ScriptCommand() *cobra.Command {
|
|
var filePath string
|
|
cmd := &cobra.Command{
|
|
Use: "script [code]",
|
|
Short: "Execute a Lua script from inline code, file, or stdin",
|
|
Args: cobra.MaximumNArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
conn, err := connFromFlags(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var script string
|
|
if filePath != "" {
|
|
data, err := os.ReadFile(filePath)
|
|
if err != nil {
|
|
return fmt.Errorf("reading %s: %w", filePath, err)
|
|
}
|
|
script = string(data)
|
|
} else if len(args) > 0 {
|
|
script = args[0]
|
|
} else {
|
|
script, err = readStdin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return evalAndFormat(cmd, conn, script)
|
|
},
|
|
}
|
|
cmd.Flags().StringVarP(&filePath, "file", "f", "", "Read script from file")
|
|
return cmd
|
|
}
|
|
|
|
// LuaScriptCommand returns a hidden alias preserving old behavior:
|
|
// positional arg is a file path (not inline code).
|
|
func LuaScriptCommand() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "lua-script [file]",
|
|
Short: "Execute a Lua script from file or stdin",
|
|
Args: cobra.MaximumNArgs(1),
|
|
Hidden: true,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
conn, err := connFromFlags(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var script string
|
|
if len(args) > 0 {
|
|
data, err := os.ReadFile(args[0])
|
|
if err != nil {
|
|
return fmt.Errorf("reading %s: %w", args[0], err)
|
|
}
|
|
script = string(data)
|
|
} else {
|
|
script, err = readStdin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return evalAndFormat(cmd, conn, script)
|
|
},
|
|
}
|
|
return cmd
|
|
}
|
|
|
|
func QueryCommand() *cobra.Command {
|
|
cmd := &cobra.Command{
|
|
Use: "query <sliq-expression>",
|
|
Short: "Run a query (wraps in query[[...]])",
|
|
Long: "Evaluate a Space Lua Integrated Query. The argument is the query body.\nExample: silverbullet-cli query 'from t = index.tag \"task\" where not t.done'",
|
|
Args: cobra.ExactArgs(1),
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
conn, err := connFromFlags(cmd)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return evalAndFormat(cmd, conn, "return query[["+args[0]+"]]")
|
|
},
|
|
}
|
|
return cmd
|
|
}
|
|
|
|
func isTerminal(f *os.File) bool {
|
|
fi, err := f.Stat()
|
|
if err != nil {
|
|
return false
|
|
}
|
|
return (fi.Mode() & os.ModeCharDevice) != 0
|
|
}
|