mirror of https://github.com/perkeep/perkeep.git
83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
/*
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Copyright 2011 Google Inc.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package main
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import (
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"flag"
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"fmt"
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"os"
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"strings"
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"camlistore.org/pkg/cmdmain"
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)
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var debugSubModes = map[string]*debugSubMode{
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"splits": &debugSubMode{
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doc: "Show splits of provided file.",
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fun: showSplits,
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},
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"mime": &debugSubMode{
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doc: "Show MIME type of provided file.",
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fun: showMIME,
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},
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"exif": &debugSubMode{
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doc: "Show EXIF dump of provided file.",
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fun: showEXIF,
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},
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}
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type debugSubMode struct {
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doc string
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fun func(string)
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}
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type debugCmd struct{}
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func init() {
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cmdmain.RegisterCommand("debug", func(flags *flag.FlagSet) cmdmain.CommandRunner {
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return new(debugCmd)
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})
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}
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func (c *debugCmd) Describe() string {
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return "Show misc meta-info from the given file."
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}
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func (c *debugCmd) Usage() {
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var subModes, docs string
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for k, v := range debugSubModes {
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subModes += k + "|"
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docs += fmt.Sprintf(" %s: %s\n", k, v.doc)
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}
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subModes = strings.TrimRight(subModes, "|")
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fmt.Fprintf(os.Stderr,
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"Usage: camtool [globalopts] debug %s file\n%s",
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subModes, docs)
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}
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func (c *debugCmd) RunCommand(args []string) error {
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if args == nil || len(args) != 2 {
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return cmdmain.UsageError("Incorrect number of arguments.")
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}
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subMode, ok := debugSubModes[args[0]]
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if !ok {
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return cmdmain.UsageError(fmt.Sprintf("Invalid submode: %v", args[0]))
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}
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subMode.fun(args[1])
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return nil
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}
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