mark/main.go
2017-09-20 18:04:39 -05:00

144 lines
3.3 KiB
Go

package main
import (
"fmt"
"os"
userConfig "github.com/br0xen/user-config"
)
const AppName = "mark"
const DefDBName = AppName + ".db"
var mdb *MarkDB
var cfg *userConfig.Config
// Valid command line options
var validFlags []cliFlag
const (
OpSearch = iota
OpAdd
OpUpdate
OpDelete
OpError
)
var performOp = OpSearch
func main() {
err := initialize()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
parms := os.Args
if len(parms) > 1 {
parms = parms[1:]
for _, v := range parms {
switch v {
case "-h":
printUsage()
os.Exit(0)
case "-a":
// Adding a new bookmark
setOperation(OpAdd)
case "-u":
// Updating an existing bookmark
setOperation(OpUpdate)
case "-d":
// Delete an existing bookmark
setOperation(OpDelete)
}
}
} else {
// Enter cui mode
fmt.Println("Entering CUI Mode")
}
}
func setOperation(which int) {
if performOp != OpSearch || which >= OpError {
// We've already tried to set the operation
fmt.Println("Error parsing command. For help use '-h'.")
os.Exit(1)
}
performOp = which
}
// initialize sets up the application for general use
func initialize() error {
var err error
// Build the list of valid command line options
addValidFlag("-h", "help", []string{"Print the usage (this message)"})
addValidFlag("-a", "add", []string{"Add a new bookmark"})
addValidFlag("-u", "update", []string{"Update an existing bookmark"})
addValidFlag("-d", "delete", []string{"Delete an existing bookmark"})
addValidFlag("-s", "search", []string{"Search for a bookmark"})
addValidFlag("-n", "name (optional)", []string{
"When adding/updating, specify the name you wish to give a bookmark.",
"When searching, specifiy the name of the bookmark(s) you're searching for.",
})
addValidFlag("-t", "tag", []string{
"Comma delimited tags",
"When adding/updating, specify the tags you wish to give a bookmark.",
"When searching, specifiy the name of the tags you're searching for.",
})
// Load the config
cfg, err = userConfig.NewConfig(AppName)
if err != nil {
fmt.Println(err.Error())
fmt.Println("Creating new config")
cfg.Save()
}
// if dbdir isn't set, set it to the config directory
if cfg.Get("dbdir") == "" {
cfg.Set("dbdir", cfg.GetConfigPath()+"/")
}
// if dbname isn't set, set it to the default db name
if cfg.Get("dbname") == "" {
cfg.Set("dbname", DefDBName)
}
// Get a reference to the database
if mdb, err = NewDatabase(cfg.Get("dbdir"), cfg.Get("dbname")); err != nil {
fmt.Println("Error loading the database")
os.Exit(1)
}
return nil
}
// Adds an option to the "validFlags" slice
func addValidFlag(flag, name string, desc []string) {
validFlags = append(validFlags, cliFlag{
Flag: flag,
Name: name,
Description: desc,
})
}
func printUsage() {
help := []string{
"mark is a tool for keeping your bookmarks organized",
"",
"Usage: ",
"\tmark [operation] [optional flags]",
"",
"If no arguments are given, we enter gui mode",
"If no 'operation' arguments are given (-a, -u, -d, -s) search is assumed",
"",
"Valid arguments are:",
"",
}
for _, ln := range help {
fmt.Println(ln)
}
for _, v := range validFlags {
fmt.Println("\t", v.Flag, "\t", v.Name)
for _, hv := range v.Description {
fmt.Println("\t\t\t", hv)
}
}
}