mirror of
https://github.com/johnkerl/miller.git
synced 2026-07-27 17:53:57 +00:00
abe061e408
* Tableize flag-parsing for on-line help, doc autogen, etc. * Rename cli,cliutil packages -> climain,cli * stub for new flag-list page * Fix alignment & formatting for webdoc/manpage autogen * per-flag-section info in mlr help * Fix comparison of actual vs expected stderr file in regtest * Replace old flag-parser with new
64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
package cli
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"mlr/src/lib"
|
|
)
|
|
|
|
// For flags with values, e.g. ["-n" "10"], while we're looking at the "-n"
|
|
// this let us see if the "10" slot exists.
|
|
func CheckArgCount(args []string, argi int, argc int, n int) {
|
|
if (argc - argi) < n {
|
|
fmt.Fprintf(os.Stderr, "%s: option \"%s\" missing argument(s).\n", "mlr", args[argi])
|
|
fmt.Fprintf(os.Stderr, "Please run \"%s --help\" for detailed usage information.\n", "mlr")
|
|
os.Exit(1)
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------
|
|
var SEPARATOR_NAMES_TO_VALUES = map[string]string{
|
|
"colon": ":",
|
|
"comma": ",",
|
|
"cr": "\r",
|
|
"crcr": "\r\r",
|
|
"crlf": "\r\n",
|
|
"crlfcrlf": "\r\n\r\n",
|
|
"equals": "=",
|
|
"lf": "\n",
|
|
"lflf": "\n\n",
|
|
"newline": "\n",
|
|
"pipe": "|",
|
|
"semicolon": ";",
|
|
"slash": "/",
|
|
"space": " ",
|
|
"tab": "\t",
|
|
}
|
|
|
|
var SEPARATOR_NAMES_TO_VALUES_FOR_ONLINE_HELP = map[string]string{
|
|
"colon": ":",
|
|
"comma": ",",
|
|
"cr": "\\r",
|
|
"crcr": "\\r\\r",
|
|
"crlf": "\\r\\n",
|
|
"crlfcrlf": "\\r\\n\\r\\n",
|
|
"equals": "=",
|
|
"lf": "\\n",
|
|
"lflf": "\\n\\n",
|
|
"newline": "\\n",
|
|
"pipe": "|",
|
|
"semicolon": ";",
|
|
"slash": "/",
|
|
"space": " ",
|
|
"tab": "\\t",
|
|
}
|
|
|
|
func SeparatorFromArg(name string) string {
|
|
sep, ok := SEPARATOR_NAMES_TO_VALUES[name]
|
|
if !ok {
|
|
// "\001" -> control-A, etc.
|
|
return lib.UnbackslashStringLiteral(name)
|
|
}
|
|
return sep
|
|
}
|