The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
103 lines
4.0 KiB
103 lines
4.0 KiB
/* |
|
* |
|
* Copyright 2015, Google Inc. |
|
* All rights reserved. |
|
* |
|
* Redistribution and use in source and binary forms, with or without |
|
* modification, are permitted provided that the following conditions are |
|
* met: |
|
* |
|
* * Redistributions of source code must retain the above copyright |
|
* notice, this list of conditions and the following disclaimer. |
|
* * Redistributions in binary form must reproduce the above |
|
* copyright notice, this list of conditions and the following disclaimer |
|
* in the documentation and/or other materials provided with the |
|
* distribution. |
|
* * Neither the name of Google Inc. nor the names of its |
|
* contributors may be used to endorse or promote products derived from |
|
* this software without specific prior written permission. |
|
* |
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
|
* |
|
*/ |
|
|
|
#ifndef GRPC_SUPPORT_CMDLINE_H |
|
#define GRPC_SUPPORT_CMDLINE_H |
|
|
|
#include <grpc/support/port_platform.h> |
|
|
|
#ifdef __cplusplus |
|
extern "C" { |
|
#endif |
|
|
|
/** Simple command line parser. |
|
|
|
Supports flags that can be specified as -foo, --foo, --no-foo, -no-foo, etc |
|
And integers, strings that can be specified as -foo=4, -foo blah, etc |
|
|
|
No support for short command line options (but we may get that in the |
|
future.) |
|
|
|
Usage (for a program with a single flag argument 'foo'): |
|
|
|
int main(int argc, char **argv) { |
|
gpr_cmdline *cl; |
|
int verbose = 0; |
|
|
|
cl = gpr_cmdline_create("My cool tool"); |
|
gpr_cmdline_add_int(cl, "verbose", "Produce verbose output?", &verbose); |
|
gpr_cmdline_parse(cl, argc, argv); |
|
gpr_cmdline_destroy(cl); |
|
|
|
if (verbose) { |
|
gpr_log(GPR_INFO, "Goodbye cruel world!"); |
|
} |
|
|
|
return 0; |
|
} */ |
|
|
|
typedef struct gpr_cmdline gpr_cmdline; |
|
|
|
/** Construct a command line parser: takes a short description of the tool |
|
doing the parsing */ |
|
GPRAPI gpr_cmdline *gpr_cmdline_create(const char *description); |
|
/** Add an integer parameter, with a name (used on the command line) and some |
|
helpful text (used in the command usage) */ |
|
GPRAPI void gpr_cmdline_add_int(gpr_cmdline *cl, const char *name, |
|
const char *help, int *value); |
|
/** The same, for a boolean flag */ |
|
GPRAPI void gpr_cmdline_add_flag(gpr_cmdline *cl, const char *name, |
|
const char *help, int *value); |
|
/** And for a string */ |
|
GPRAPI void gpr_cmdline_add_string(gpr_cmdline *cl, const char *name, |
|
const char *help, char **value); |
|
/** Set a callback for non-named arguments */ |
|
GPRAPI void gpr_cmdline_on_extra_arg( |
|
gpr_cmdline *cl, const char *name, const char *help, |
|
void (*on_extra_arg)(void *user_data, const char *arg), void *user_data); |
|
/** Enable surviving failure: default behavior is to exit the process */ |
|
GPRAPI void gpr_cmdline_set_survive_failure(gpr_cmdline *cl); |
|
/** Parse the command line; returns 1 on success, on failure either dies |
|
(by default) or returns 0 if gpr_cmdline_set_survive_failure() has been |
|
called */ |
|
GPRAPI int gpr_cmdline_parse(gpr_cmdline *cl, int argc, char **argv); |
|
/** Destroy the parser */ |
|
GPRAPI void gpr_cmdline_destroy(gpr_cmdline *cl); |
|
/** Get a string describing usage */ |
|
GPRAPI char *gpr_cmdline_usage_string(gpr_cmdline *cl, const char *argv0); |
|
|
|
#ifdef __cplusplus |
|
} |
|
#endif |
|
|
|
#endif /* GRPC_SUPPORT_CMDLINE_H */
|
|
|