src/feature/commandline.c (view raw)
1/* Copyright (c) 2013-2015 Jeffrey Pfau
2 *
3 * This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6#include "commandline.h"
7
8#include "core/config.h"
9#include "core/version.h"
10#include "util/string.h"
11
12#include <fcntl.h>
13#ifdef _MSC_VER
14#include "platform/windows/getopt.h"
15#else
16#include <getopt.h>
17#endif
18
19#define GRAPHICS_OPTIONS "123456f"
20#define GRAPHICS_USAGE \
21 "\nGraphics options:\n" \
22 " -1 1x viewport\n" \
23 " -2 2x viewport\n" \
24 " -3 3x viewport\n" \
25 " -4 4x viewport\n" \
26 " -5 5x viewport\n" \
27 " -6 6x viewport\n" \
28 " -f Start full-screen"
29
30static const struct option _options[] = {
31 { "bios", required_argument, 0, 'b' },
32 { "cheats", required_argument, 0, 'c' },
33 { "frameskip", required_argument, 0, 's' },
34#ifdef USE_EDITLINE
35 { "debug", no_argument, 0, 'd' },
36#endif
37#ifdef USE_GDB_STUB
38 { "gdb", no_argument, 0, 'g' },
39#endif
40 { "help", no_argument, 0, 'h' },
41 { "movie", required_argument, 0, 'v' },
42 { "patch", required_argument, 0, 'p' },
43 { "version", no_argument, 0, '\0' },
44 { 0, 0, 0, 0 }
45};
46
47static bool _parseGraphicsArg(struct mSubParser* parser, int option, const char* arg);
48static void _applyGraphicsArgs(struct mSubParser* parser, struct mCoreConfig* config);
49
50bool parseArguments(struct mArguments* args, int argc, char* const* argv, struct mSubParser* subparser) {
51 int ch;
52 char options[64] =
53 "b:c:hl:p:s:v:"
54#ifdef USE_EDITLINE
55 "d"
56#endif
57#ifdef USE_GDB_STUB
58 "g"
59#endif
60 ;
61 memset(args, 0, sizeof(*args));
62 args->frameskip = -1;
63 args->logLevel = INT_MIN;
64 if (subparser && subparser->extraOptions) {
65 // TODO: modularize options to subparsers
66 strncat(options, subparser->extraOptions, sizeof(options) - strlen(options) - 1);
67 }
68 int index = 0;
69 while ((ch = getopt_long(argc, argv, options, _options, &index)) != -1) {
70 const struct option* opt = &_options[index];
71 switch (ch) {
72 case '\0':
73 if (strcmp(opt->name, "version") == 0) {
74 args->showVersion = true;
75 } else {
76 return false;
77 }
78 break;
79 case 'b':
80 args->bios = strdup(optarg);
81 break;
82 case 'c':
83 args->cheatsFile = strdup(optarg);
84 break;
85#ifdef USE_EDITLINE
86 case 'd':
87 if (args->debuggerType != DEBUGGER_NONE) {
88 return false;
89 }
90 args->debuggerType = DEBUGGER_CLI;
91 break;
92#endif
93#ifdef USE_GDB_STUB
94 case 'g':
95 if (args->debuggerType != DEBUGGER_NONE) {
96 return false;
97 }
98 args->debuggerType = DEBUGGER_GDB;
99 break;
100#endif
101 case 'h':
102 args->showHelp = true;
103 break;
104 case 'l':
105 args->logLevel = atoi(optarg);
106 break;
107 case 'p':
108 args->patch = strdup(optarg);
109 break;
110 case 's':
111 args->frameskip = atoi(optarg);
112 break;
113 case 'v':
114 args->movie = strdup(optarg);
115 break;
116 default:
117 if (subparser) {
118 if (!subparser->parse(subparser, ch, optarg)) {
119 return false;
120 }
121 }
122 break;
123 }
124 }
125 argc -= optind;
126 argv += optind;
127 if (argc > 1) {
128 return false;
129 } else if (argc == 1) {
130 args->fname = strdup(argv[0]);
131 } else {
132 args->fname = NULL;
133 }
134 return true;
135}
136
137void applyArguments(const struct mArguments* args, struct mSubParser* subparser, struct mCoreConfig* config) {
138 if (args->frameskip >= 0) {
139 mCoreConfigSetOverrideIntValue(config, "frameskip", args->frameskip);
140 }
141 if (args->logLevel > INT_MIN) {
142 mCoreConfigSetOverrideIntValue(config, "logLevel", args->logLevel);
143 }
144 if (args->bios) {
145 mCoreConfigSetOverrideValue(config, "bios", args->bios);
146 }
147 if (subparser) {
148 subparser->apply(subparser, config);
149 }
150}
151
152void freeArguments(struct mArguments* args) {
153 free(args->fname);
154 args->fname = 0;
155
156 free(args->patch);
157 args->patch = 0;
158
159 free(args->movie);
160 args->movie = 0;
161
162 free(args->cheatsFile);
163 args->cheatsFile = 0;
164
165 free(args->bios);
166 args->bios = 0;
167}
168
169void initParserForGraphics(struct mSubParser* parser, struct mGraphicsOpts* opts) {
170 parser->usage = GRAPHICS_USAGE;
171 parser->opts = opts;
172 parser->parse = _parseGraphicsArg;
173 parser->apply = _applyGraphicsArgs;
174 parser->extraOptions = GRAPHICS_OPTIONS;
175 opts->multiplier = 0;
176 opts->fullscreen = false;
177}
178
179bool _parseGraphicsArg(struct mSubParser* parser, int option, const char* arg) {
180 UNUSED(arg);
181 struct mGraphicsOpts* graphicsOpts = parser->opts;
182 switch (option) {
183 case 'f':
184 graphicsOpts->fullscreen = true;
185 return true;
186 case '1':
187 case '2':
188 case '3':
189 case '4':
190 case '5':
191 case '6':
192 if (graphicsOpts->multiplier) {
193 return false;
194 }
195 graphicsOpts->multiplier = option - '0';
196 return true;
197 default:
198 return false;
199 }
200}
201
202void _applyGraphicsArgs(struct mSubParser* parser, struct mCoreConfig* config) {
203 struct mGraphicsOpts* graphicsOpts = parser->opts;
204 if (graphicsOpts->fullscreen) {
205 mCoreConfigSetOverrideIntValue(config, "fullscreen", graphicsOpts->fullscreen);
206 }
207}
208
209void usage(const char* arg0, const char* extraOptions) {
210 printf("usage: %s [option ...] file\n", arg0);
211 puts("\nGeneric options:");
212 puts(" -b, --bios FILE GBA BIOS file to use");
213 puts(" -c, --cheats FILE Apply cheat codes from a file");
214#ifdef USE_EDITLINE
215 puts(" -d, --debug Use command-line debugger");
216#endif
217#ifdef USE_GDB_STUB
218 puts(" -g, --gdb Start GDB session (default port 2345)");
219#endif
220 puts(" -v, --movie FILE Play back a movie of recorded input");
221 puts(" -p, --patch FILE Apply a specified patch file when running");
222 puts(" -s, --frameskip N Skip every N frames");
223 puts(" --version Print version and exit");
224 if (extraOptions) {
225 puts(extraOptions);
226 }
227}
228
229void version(const char* arg0) {
230 printf("%s %s (%s)\n", arg0, projectVersion, gitCommit);
231}