cam: Extract option parser to separate file

And turn it into an OptionsParser object.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

1 files changed, 0 insertions, 144 deletions

diff --git a/src/cam/cam.cpp b/src/cam/cam.cpp
deleted file mode 100644
index 0f795be7..00000000
--- a/src/cam/cam.cpp
+++ /dev/null
@@ -1,144 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2019, Google Inc.
- *
- * main.cpp - cam-ctl a tool to interact with the library
- */
-
-#include <getopt.h>
-#include <iomanip>
-#include <iostream>
-#include <map>
-#include <string.h>
-
-#include <libcamera/libcamera.h>
-
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
-
-using namespace std;
-using namespace libcamera;
-
-enum Option {
-	OptCamera = 'c',
-	OptHelp = 'h',
-	OptList = 'l',
-	OptLast = 0,
-};
-
-struct OptionInfo {
-	Option id;
-	const char *name;
-	const char *arguments;
-	const char *description;
-};
-
-static struct OptionInfo option_info[] = {
-	{ OptCamera, "camera", "<camera>", "Specify which camera to operate on" },
-	{ OptHelp, "help", nullptr, "Display this help message" },
-	{ OptList, "list", nullptr, "List all cameras" },
-	{ OptLast, nullptr, nullptr, nullptr },
-};
-
-std::map<Option, std::string> options;
-
-void usage()
-{
-	struct OptionInfo *info;
-
-	cout << "Options:" << endl;
-	for (info = option_info; info->id != OptLast; info++) {
-		string arg(info->name);
-
-		if (info->arguments)
-			arg += string(" ") + info->arguments;
-
-		cout << "  -" << static_cast<char>(info->id) << " --" <<
-			setw(20) << left << arg << " - " <<
-			info->description << endl;
-	}
-}
-
-int parseOptions(int argc, char **argv)
-{
-	char short_options[ARRAY_SIZE(option_info) * 2 + 1];
-	struct option long_options[ARRAY_SIZE(option_info)];
-	struct OptionInfo *info;
-	unsigned ids = 0, idl = 0;
-
-	memset(short_options, 0, sizeof(short_options));
-	memset(long_options, 0, sizeof(long_options));
-
-	for (info = option_info; info->id != OptLast; info++) {
-		short_options[ids++] = info->id;
-		if (info->arguments)
-			short_options[ids++] = ':';
-
-		long_options[idl].name = info->name;
-		long_options[idl].has_arg =
-			info->arguments ? required_argument : no_argument;
-		long_options[idl].flag = 0;
-		long_options[idl].val = info->id;
-		idl++;
-	}
-
-	while (true) {
-		int c = getopt_long(argc, argv, short_options, long_options, nullptr);
-
-		if (c == -1)
-			break;
-
-		if (!isalpha(c))
-			return EXIT_FAILURE;
-
-		options[static_cast<Option>(c)] = optarg ? string(optarg) : "";
-	}
-
-	return 0;
-}
-
-bool optSet(Option opt)
-{
-	return options.count(opt) != 0;
-}
-
-int main(int argc, char **argv)
-{
-	int ret;
-
-	ret = parseOptions(argc, argv);
-	if (ret == EXIT_FAILURE)
-		return ret;
-
-	if (argc == 1 || optSet(OptHelp)) {
-		usage();
-		return 0;
-	}
-
-	CameraManager *cm = CameraManager::instance();
-
-	ret = cm->start();
-	if (ret) {
-		cout << "Failed to start camera manager: " << strerror(-ret) << endl;
-		return EXIT_FAILURE;
-	}
-
-	if (optSet(OptList)) {
-		cout << "Available cameras:" << endl;
-		for (const std::shared_ptr<Camera> &camera : cm->cameras())
-			cout << "- " << camera->name() << endl;
-	}
-
-	if (optSet(OptCamera)) {
-		std::shared_ptr<Camera> cam = cm->get(options[OptCamera]);
-
-		if (cam) {
-			cout << "Using camera " << cam->name() << endl;
-		} else {
-			cout << "Camera " << options[OptCamera] << " not found" << endl;
-		}
-	}
-
-	cm->stop();
-
-	return 0;
-}