diff options
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | src/command.c | 167 | ||||
| -rw-r--r-- | src/protocol/argparser.c | 191 | ||||
| -rw-r--r-- | src/protocol/argparser.h | 49 |
4 files changed, 242 insertions, 166 deletions
diff --git a/Makefile.am b/Makefile.am index 915aa18cb..a78d1b4bc 100644 --- a/Makefile.am +++ b/Makefile.am @@ -233,6 +233,7 @@ src_mpd_SOURCES = \ src/audio_check.c \ src/audio_format.c \ src/audio_parser.c \ + src/protocol/argparser.c src/protocol/argparser.h \ src/protocol/result.c src/protocol/result.h \ src/command.c \ src/idle.c \ diff --git a/src/command.c b/src/command.c index ea6348953..2d6966509 100644 --- a/src/command.c +++ b/src/command.c @@ -19,6 +19,7 @@ #include "config.h" #include "command.h" +#include "protocol/argparser.h" #include "protocol/result.h" #include "player_control.h" #include "playlist.h" @@ -107,172 +108,6 @@ struct command { enum command_return (*handler)(struct client *client, int argc, char **argv); }; -static bool -check_uint32(struct client *client, uint32_t *dst, const char *s) -{ - char *test; - - *dst = strtoul(s, &test, 10); - if (test == s || *test != '\0') { - command_error(client, ACK_ERROR_ARG, - "Integer expected: %s", s); - return false; - } - return true; -} - -static bool -check_int(struct client *client, int *value_r, const char *s) -{ - char *test; - long value; - - value = strtol(s, &test, 10); - if (test == s || *test != '\0') { - command_error(client, ACK_ERROR_ARG, - "Integer expected: %s", s); - return false; - } - -#if G_MAXLONG > G_MAXINT - if (value < G_MININT || value > G_MAXINT) { - command_error(client, ACK_ERROR_ARG, - "Number too large: %s", s); - return false; - } -#endif - - *value_r = (int)value; - return true; -} - -static bool -check_range(struct client *client, unsigned *value_r1, unsigned *value_r2, - const char *s) -{ - char *test, *test2; - long value; - - value = strtol(s, &test, 10); - if (test == s || (*test != '\0' && *test != ':')) { - command_error(client, ACK_ERROR_ARG, - "Integer or range expected: %s", s); - return false; - } - - if (value == -1 && *test == 0) { - /* compatibility with older MPD versions: specifying - "-1" makes MPD display the whole list */ - *value_r1 = 0; - *value_r2 = G_MAXUINT; - return true; - } - - if (value < 0) { - command_error(client, ACK_ERROR_ARG, - "Number is negative: %s", s); - return false; - } - -#if G_MAXLONG > G_MAXUINT - if (value > G_MAXUINT) { - command_error(client, ACK_ERROR_ARG, - "Number too large: %s", s); - return false; - } -#endif - - *value_r1 = (unsigned)value; - - if (*test == ':') { - value = strtol(++test, &test2, 10); - if (test2 == test || *test2 != '\0') { - command_error(client, ACK_ERROR_ARG, - "Integer or range expected: %s", s); - return false; - } - - if (test == test2) - value = G_MAXUINT; - - if (value < 0) { - command_error(client, ACK_ERROR_ARG, - "Number is negative: %s", s); - return false; - } - -#if G_MAXLONG > G_MAXUINT - if (value > G_MAXUINT) { - command_error(client, ACK_ERROR_ARG, - "Number too large: %s", s); - return false; - } -#endif - *value_r2 = (unsigned)value; - } else { - *value_r2 = (unsigned)value + 1; - } - - return true; -} - -static bool -check_unsigned(struct client *client, unsigned *value_r, const char *s) -{ - unsigned long value; - char *endptr; - - value = strtoul(s, &endptr, 10); - if (endptr == s || *endptr != 0) { - command_error(client, ACK_ERROR_ARG, - "Integer expected: %s", s); - return false; - } - - if (value > G_MAXUINT) { - command_error(client, ACK_ERROR_ARG, - "Number too large: %s", s); - return false; - } - - *value_r = (unsigned)value; - return true; -} - -static bool -check_bool(struct client *client, bool *value_r, const char *s) -{ - long value; - char *endptr; - - value = strtol(s, &endptr, 10); - if (endptr == s || *endptr != 0 || (value != 0 && value != 1)) { - command_error(client, ACK_ERROR_ARG, - "Boolean (0/1) expected: %s", s); - return false; - } - - *value_r = !!value; - return true; -} - -static bool -check_float(struct client *client, float *value_r, const char *s) -{ - float value; - char *endptr; - - value = strtof(s, &endptr); - if (endptr == s || *endptr != 0) { - command_error(client, ACK_ERROR_ARG, - "Float expected: %s", s); - return false; - } - - *value_r = value; - return true; -} - static enum command_return print_playlist_result(struct client *client, enum playlist_result result) diff --git a/src/protocol/argparser.c b/src/protocol/argparser.c new file mode 100644 index 000000000..b21d4c53c --- /dev/null +++ b/src/protocol/argparser.c @@ -0,0 +1,191 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "config.h" +#include "argparser.h" +#include "result.h" + +#include <glib.h> +#include <stdlib.h> + +bool +check_uint32(struct client *client, uint32_t *dst, const char *s) +{ + char *test; + + *dst = strtoul(s, &test, 10); + if (test == s || *test != '\0') { + command_error(client, ACK_ERROR_ARG, + "Integer expected: %s", s); + return false; + } + return true; +} + +bool +check_int(struct client *client, int *value_r, const char *s) +{ + char *test; + long value; + + value = strtol(s, &test, 10); + if (test == s || *test != '\0') { + command_error(client, ACK_ERROR_ARG, + "Integer expected: %s", s); + return false; + } + +#if G_MAXLONG > G_MAXINT + if (value < G_MININT || value > G_MAXINT) { + command_error(client, ACK_ERROR_ARG, + "Number too large: %s", s); + return false; + } +#endif + + *value_r = (int)value; + return true; +} + +bool +check_range(struct client *client, unsigned *value_r1, unsigned *value_r2, + const char *s) +{ + char *test, *test2; + long value; + + value = strtol(s, &test, 10); + if (test == s || (*test != '\0' && *test != ':')) { + command_error(client, ACK_ERROR_ARG, + "Integer or range expected: %s", s); + return false; + } + + if (value == -1 && *test == 0) { + /* compatibility with older MPD versions: specifying + "-1" makes MPD display the whole list */ + *value_r1 = 0; + *value_r2 = G_MAXUINT; + return true; + } + + if (value < 0) { + command_error(client, ACK_ERROR_ARG, + "Number is negative: %s", s); + return false; + } + +#if G_MAXLONG > G_MAXUINT + if (value > G_MAXUINT) { + command_error(client, ACK_ERROR_ARG, + "Number too large: %s", s); + return false; + } +#endif + + *value_r1 = (unsigned)value; + + if (*test == ':') { + value = strtol(++test, &test2, 10); + if (test2 == test || *test2 != '\0') { + command_error(client, ACK_ERROR_ARG, + "Integer or range expected: %s", s); + return false; + } + + if (test == test2) + value = G_MAXUINT; + + if (value < 0) { + command_error(client, ACK_ERROR_ARG, + "Number is negative: %s", s); + return false; + } + +#if G_MAXLONG > G_MAXUINT + if (value > G_MAXUINT) { + command_error(client, ACK_ERROR_ARG, + "Number too large: %s", s); + return false; + } +#endif + *value_r2 = (unsigned)value; + } else { + *value_r2 = (unsigned)value + 1; + } + + return true; +} + +bool +check_unsigned(struct client *client, unsigned *value_r, const char *s) +{ + unsigned long value; + char *endptr; + + value = strtoul(s, &endptr, 10); + if (endptr == s || *endptr != 0) { + command_error(client, ACK_ERROR_ARG, + "Integer expected: %s", s); + return false; + } + + if (value > G_MAXUINT) { + command_error(client, ACK_ERROR_ARG, + "Number too large: %s", s); + return false; + } + + *value_r = (unsigned)value; + return true; +} + +bool +check_bool(struct client *client, bool *value_r, const char *s) +{ + long value; + char *endptr; + + value = strtol(s, &endptr, 10); + if (endptr == s || *endptr != 0 || (value != 0 && value != 1)) { + command_error(client, ACK_ERROR_ARG, + "Boolean (0/1) expected: %s", s); + return false; + } + + *value_r = !!value; + return true; +} + +bool +check_float(struct client *client, float *value_r, const char *s) +{ + float value; + char *endptr; + + value = strtof(s, &endptr); + if (endptr == s || *endptr != 0) { + command_error(client, ACK_ERROR_ARG, + "Float expected: %s", s); + return false; + } + + *value_r = value; + return true; +} diff --git a/src/protocol/argparser.h b/src/protocol/argparser.h new file mode 100644 index 000000000..e88aea478 --- /dev/null +++ b/src/protocol/argparser.h @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2003-2012 The Music Player Daemon Project + * http://www.musicpd.org + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef MPD_PROTOCOL_ARGPARSER_H +#define MPD_PROTOCOL_ARGPARSER_H + +#include "check.h" + +#include <stdbool.h> +#include <stdint.h> + +struct client; + +bool +check_uint32(struct client *client, uint32_t *dst, const char *s); + +bool +check_int(struct client *client, int *value_r, const char *s); + +bool +check_range(struct client *client, unsigned *value_r1, unsigned *value_r2, + const char *s); + +bool +check_unsigned(struct client *client, unsigned *value_r, const char *s); + +bool +check_bool(struct client *client, bool *value_r, const char *s); + +bool +check_float(struct client *client, float *value_r, const char *s); + +#endif |