From c2a1af049e9deca890e9923abe64fe6c59060348 Mon Sep 17 00:00:00 2001
From: nga <nga@yandex-team.ru>
Date: Thu, 10 Feb 2022 16:48:09 +0300
Subject: Restoring authorship annotation for <nga@yandex-team.ru>. Commit 2 of
2.
---
library/cpp/getopt/small/opt.h | 170 ++++++++++++++++++++---------------------
1 file changed, 85 insertions(+), 85 deletions(-)
(limited to 'library/cpp/getopt/small/opt.h')
diff --git a/library/cpp/getopt/small/opt.h b/library/cpp/getopt/small/opt.h
index 80701aa7e9..ecb57439bc 100644
--- a/library/cpp/getopt/small/opt.h
+++ b/library/cpp/getopt/small/opt.h
@@ -1,118 +1,118 @@
#pragma once
-
+
#include "last_getopt.h"
#include <util/generic/ptr.h>
-#include <util/generic/noncopyable.h>
-
-// implementation of Opt class using last getopt
-
-/*
- short-options syntax:
-
- opt-letter ::=
- [^: ]
-
- opt-string ::=
- '+'|'-'?({opt-letter}':'{0,2})*
-
- example: "AbCx:y:z::"
- {A,b,C} options without argument
- {x,y} options with argument
- {z} option with optional argument
-
- 1. shortopts begins with '-' :=> RETURN_IN_ORDER
- == non-option forces getopt to return 1 and to place non-option into optarg
-
- 2. shortopts begins with '+' :=> REQUIRE_ORDER
+#include <util/generic/noncopyable.h>
+
+// implementation of Opt class using last getopt
+
+/*
+ short-options syntax:
+
+ opt-letter ::=
+ [^: ]
+
+ opt-string ::=
+ '+'|'-'?({opt-letter}':'{0,2})*
+
+ example: "AbCx:y:z::"
+ {A,b,C} options without argument
+ {x,y} options with argument
+ {z} option with optional argument
+
+ 1. shortopts begins with '-' :=> RETURN_IN_ORDER
+ == non-option forces getopt to return 1 and to place non-option into optarg
+
+ 2. shortopts begins with '+' :=> REQUIRE_ORDER
GetEnv(_POSIX_OPTION_ORDER) :=> REQUIRE_ORDER
- == 1st non-option forces getopt to return EOF
-
- 3. default :=> PERMUTE
- == exchange options with non-options and place all options first
-
- 4. '--' command line argument forces getopt to stop parsing and to return EOF
- in any case
-
- long options should begin by '+' sign
- or when (_getopt_long_only = 1) by '-' sign
-
- struct option {
- char *name : option name
- int has_arg: 0 | 1 | 2 = without | with | optional argument
- int *flag : if (flag != 0) then getopt returns 0 and stores val into *flag
- int val : if (flag == 0) then getopt returns val
- }
-
- Example:
-
- struct option my_opts[] = {
- { "delete", 0, &deletion_flag, DEL }, -- returns 0, deletion_flag := DEL
- { "add", 1, NULL, 'a' }, -- returns 'a', argument in optarg
- { NULL }
- }
-*/
-
-#define OPT_RETURN_IN_ORDER "-"
+ == 1st non-option forces getopt to return EOF
+
+ 3. default :=> PERMUTE
+ == exchange options with non-options and place all options first
+
+ 4. '--' command line argument forces getopt to stop parsing and to return EOF
+ in any case
+
+ long options should begin by '+' sign
+ or when (_getopt_long_only = 1) by '-' sign
+
+ struct option {
+ char *name : option name
+ int has_arg: 0 | 1 | 2 = without | with | optional argument
+ int *flag : if (flag != 0) then getopt returns 0 and stores val into *flag
+ int val : if (flag == 0) then getopt returns val
+ }
+
+ Example:
+
+ struct option my_opts[] = {
+ { "delete", 0, &deletion_flag, DEL }, -- returns 0, deletion_flag := DEL
+ { "add", 1, NULL, 'a' }, -- returns 'a', argument in optarg
+ { NULL }
+ }
+*/
+
+#define OPT_RETURN_IN_ORDER "-"
#define OPT_REQUIRE_ORDER "+"
#define OPT_DONT_STORE_ARG ((void*)0)
-
+
class Opt : TNonCopyable {
-public:
+public:
enum HasArg { WithoutArg,
WithArg,
PossibleArg };
-
- struct Ion {
+
+ struct Ion {
const char* name;
HasArg has_arg;
int* flag;
int val;
- };
-
-private:
- THolder<NLastGetopt::TOpts> Opts_;
- THolder<NLastGetopt::TOptsParser> OptsParser_;
- const Ion* Ions_;
- bool GotError_;
+ };
+
+private:
+ THolder<NLastGetopt::TOpts> Opts_;
+ THolder<NLastGetopt::TOptsParser> OptsParser_;
+ const Ion* Ions_;
+ bool GotError_;
void Init(int argc, char* argv[], const char* optString, const Ion* longOptions = nullptr, bool longOnly = false, bool isOpen = false);
-
-public:
+
+public:
Opt(int argc, char* argv[], const char* optString, const Ion* longOptions = nullptr, bool longOnly = false, bool isOpen = false);
Opt(int argc, const char* argv[], const char* optString, const Ion* longOptions = nullptr, bool longOnly = false, bool isOpen = false);
-
- // Get() means next
- int Get();
- int Get(int* longOptionIndex);
+
+ // Get() means next
+ int Get();
+ int Get(int* longOptionIndex);
int operator()() {
- return Get();
- }
-
+ return Get();
+ }
+
const char* GetArg() const {
return Arg;
}
-
+
TVector<TString> GetFreeArgs() const {
return NLastGetopt::TOptsParseResult(&*Opts_, GetArgC(), GetArgV()).GetFreeArgs();
}
- // obsolete, use GetArg() instead
+ // obsolete, use GetArg() instead
char* Arg; /* option argument if any or NULL */
-
+
int Ind; /* command line index */
bool Err; /* flag to print error messages */
-
- int GetArgC() const;
- const char** GetArgV() const;
-
+
+ int GetArgC() const;
+ const char** GetArgV() const;
+
void DummyHelp(IOutputStream& os = Cerr);
-};
-
-// call before getopt. returns non-negative int, removing it from arguments (not found: -1)
-// Example: returns 11 for "progname -11abc", -1 for "progname -a11"
+};
+
+// call before getopt. returns non-negative int, removing it from arguments (not found: -1)
+// Example: returns 11 for "progname -11abc", -1 for "progname -a11"
int opt_get_number(int& argc, char* argv[]);
-
+
#define OPTION_HANDLING_PROLOG \
{ \
int optlet; \
@@ -128,12 +128,12 @@ int opt_get_number(int& argc, char* argv[]);
#define OPTION_HANDLE_END \
} \
break;
-
+
#define OPTION_HANDLE(opt, handle) \
OPTION_HANDLE_BEGIN(opt) \
handle; \
OPTION_HANDLE_END
-
+
#define OPTION_HANDLING_EPILOG \
default: \
ythrow yexception() << "unknown optlet"; \
--
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