wehub-resource-sync
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// Copyright 2019 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cli
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import (
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"errors"
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"os"
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"github.com/dolthub/dolt/go/libraries/utils/argparser"
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)
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var ErrEmptyDefTuple = errors.New("empty definition tuple")
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type UsagePrinter func()
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// ParseArgs is used for Dolt SQL functions that are run on the server and should not exit
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func ParseArgs(ap *argparser.ArgParser, args []string, usagePrinter UsagePrinter) (*argparser.ArgParseResults, error) {
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apr, err := ap.Parse(args)
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if err != nil {
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// --help param
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if usagePrinter != nil {
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usagePrinter()
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}
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return nil, err
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}
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return apr, nil
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}
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// ParseArgsOrDie is used for CLI command that should exit after erroring.
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func ParseArgsOrDie(ap *argparser.ArgParser, args []string, usagePrinter UsagePrinter) *argparser.ArgParseResults {
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apr, err := ap.Parse(args)
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if err != nil {
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if err != argparser.ErrHelp {
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PrintErrln(err.Error())
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if usagePrinter != nil {
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usagePrinter()
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}
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os.Exit(1)
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}
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// --help param
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if usagePrinter != nil {
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usagePrinter()
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}
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os.Exit(0)
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}
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return apr
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}
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func HelpAndUsagePrinters(cmdDoc *CommandDocumentation) (UsagePrinter, UsagePrinter) {
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// TODO handle error states
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longDesc, _ := cmdDoc.GetLongDesc(CliFormat)
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synopsis, _ := cmdDoc.GetSynopsis(CliFormat)
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return func() {
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PrintHelpText(cmdDoc.CommandStr, cmdDoc.GetShortDesc(), longDesc, synopsis, cmdDoc.ArgParser)
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}, func() {
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PrintUsage(cmdDoc.CommandStr, synopsis, cmdDoc.ArgParser)
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}
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}
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