Dan Anglin
3c8633ff04
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Minimise the main package by moving all flag parsing to the Execute function.
133 lines
2.9 KiB
Go Template
133 lines
2.9 KiB
Go Template
{{- /* vim: set noexpandtab : */ -}}
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{{- /* vim: set tabstop=8 : */ -}}
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{{- /* vim: set shiftwidth=8 : */ -}}
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{{- /* vim: set softtabstop=8 : */ -}}
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/*
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This file is generated by the enbas-codegen
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DO NOT EDIT.
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*/
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{{ print "" }}
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package executor
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{{ print "" }}
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{{ print "" }}
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import "fmt"
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import "flag"
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import "os"
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import "codeflow.dananglin.me.uk/apollo/enbas/internal/config"
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import internalFlag "codeflow.dananglin.me.uk/apollo/enbas/internal/flag"
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import "codeflow.dananglin.me.uk/apollo/enbas/internal/printer"
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import "codeflow.dananglin.me.uk/apollo/enbas/internal/usage"
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{{ print "" }}
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{{ print "" }}
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func Execute() error {
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var (
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configDir string
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noColorFlag internalFlag.BoolPtrValue
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noColor bool
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enbasConfig *config.Config
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enbasPrinter *printer.Printer
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err error
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)
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flag.StringVar(&configDir, "config-dir", "", "The path to your configuration directory")
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flag.Var(&noColorFlag, "no-color", "Set to true to disable ANSI colour output when displaying text on screen")
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flag.Usage = usage.AppUsageFunc()
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flag.Parse()
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if flag.NArg() < 1 {
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flag.Usage()
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return nil
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}
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if noColorFlag.Value != nil {
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noColor = *noColorFlag.Value
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} else if os.Getenv("NO_COLOR") != "" {
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noColor = true
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}
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command := flag.Arg(0)
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args := flag.Args()[1:]
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switch command {
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case "init", "version":
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enbasPrinter = printer.NewPrinter(noColor, "", 0)
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default:
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enbasConfig, err = config.NewConfigFromFile(configDir)
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if err != nil {
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enbasPrinter = printer.NewPrinter(noColor, "", 0)
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enbasPrinter.PrintFailure("unable to load the configuration: " + err.Error() + ".")
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return err
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}
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enbasPrinter = printer.NewPrinter(
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noColor,
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enbasConfig.Integrations.Pager,
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enbasConfig.LineWrapMaxWidth,
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)
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}
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if err = execute(
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command,
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args,
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enbasPrinter,
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enbasConfig,
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configDir,
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); err != nil {
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enbasPrinter.PrintFailure("(" + command + ") " + err.Error() + ".")
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return err
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}
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return nil
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}
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{{ print "" }}
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{{ print "" }}
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func execute(
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command string,
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args []string,
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enbasPrinter *printer.Printer,
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enbasConfig *config.Config,
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configDir string,
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) error {
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executorMap := map[string]Executor{
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{{- range $name, $command := . -}}
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{{- $new_executor_function_name := capitalise $name | printf "New%sExecutor" -}}
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{{ print "" }}
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{{ printf "%q" $name }}: {{ $new_executor_function_name }}(
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{{- if $command.UsePrinter -}}
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{{ print "" }}
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enbasPrinter,
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{{- end -}}
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{{- if $command.UseConfig -}}
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{{ print "" }}
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enbasConfig,
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{{- end -}}
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{{- range $field := $command.AdditionalFields -}}
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{{ print "" }}
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{{ $field.Name }},
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{{- end -}}
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{{ print "" }}
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),
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{{- end -}}
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{{ print "" }}
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}
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exe, ok := executorMap[command]
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if !ok {
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return UnknownCommandError{command: command}
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}
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if err := exe.Parse(args); err != nil {
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return fmt.Errorf("flag parsing error: %w", err)
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}
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if err := exe.Execute(); err != nil {
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return fmt.Errorf("execution error: %w", err)
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}
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return nil
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}
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