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Diffstat (limited to '')
| -rw-r--r-- | src/ConfigData.cxx | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/ConfigData.cxx b/src/ConfigData.cxx new file mode 100644 index 000000000..8228940e5 --- /dev/null +++ b/src/ConfigData.cxx @@ -0,0 +1,186 @@ +/* + * Copyright (C) 2003-2013 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 "ConfigData.hxx" +#include "ConfigParser.hxx" +#include "mpd_error.h" + +extern "C" { +#include "utils.h" +} + +#include <glib.h> + +#include <assert.h> +#include <string.h> +#include <stdlib.h> + +struct config_param * +config_new_param(const char *value, int line) +{ + struct config_param *ret = g_new(struct config_param, 1); + + if (!value) + ret->value = NULL; + else + ret->value = g_strdup(value); + + ret->line = line; + + ret->num_block_params = 0; + ret->block_params = NULL; + ret->used = false; + + return ret; +} + +void +config_param_free(struct config_param *param) +{ + g_free(param->value); + + for (unsigned i = 0; i < param->num_block_params; i++) { + g_free(param->block_params[i].name); + g_free(param->block_params[i].value); + } + + if (param->num_block_params) + g_free(param->block_params); + + g_free(param); +} + +void +config_add_block_param(struct config_param * param, const char *name, + const char *value, int line) +{ + struct block_param *bp; + + assert(config_get_block_param(param, name) == NULL); + + param->num_block_params++; + + param->block_params = (struct block_param *) + g_realloc(param->block_params, + param->num_block_params * + sizeof(param->block_params[0])); + + bp = ¶m->block_params[param->num_block_params - 1]; + + bp->name = g_strdup(name); + bp->value = g_strdup(value); + bp->line = line; + bp->used = false; +} + +const struct block_param * +config_get_block_param(const struct config_param * param, const char *name) +{ + if (param == NULL) + return NULL; + + for (unsigned i = 0; i < param->num_block_params; i++) { + if (0 == strcmp(name, param->block_params[i].name)) { + struct block_param *bp = ¶m->block_params[i]; + bp->used = true; + return bp; + } + } + + return NULL; +} + +const char * +config_get_block_string(const struct config_param *param, const char *name, + const char *default_value) +{ + const struct block_param *bp = config_get_block_param(param, name); + + if (bp == NULL) + return default_value; + + return bp->value; +} + +char * +config_dup_block_string(const struct config_param *param, const char *name, + const char *default_value) +{ + return g_strdup(config_get_block_string(param, name, default_value)); +} + +char * +config_dup_block_path(const struct config_param *param, const char *name, + GError **error_r) +{ + assert(error_r != NULL); + assert(*error_r == NULL); + + const struct block_param *bp = config_get_block_param(param, name); + if (bp == NULL) + return NULL; + + char *path = parsePath(bp->value, error_r); + if (G_UNLIKELY(path == NULL)) + g_prefix_error(error_r, + "Invalid path in \"%s\" at line %i: ", + name, bp->line); + + return path; +} + +unsigned +config_get_block_unsigned(const struct config_param *param, const char *name, + unsigned default_value) +{ + const struct block_param *bp = config_get_block_param(param, name); + long value; + char *endptr; + + if (bp == NULL) + return default_value; + + value = strtol(bp->value, &endptr, 0); + if (*endptr != 0) + MPD_ERROR("Not a valid number in line %i", bp->line); + + if (value < 0) + MPD_ERROR("Not a positive number in line %i", bp->line); + + return (unsigned)value; +} + +bool +config_get_block_bool(const struct config_param *param, const char *name, + bool default_value) +{ + const struct block_param *bp = config_get_block_param(param, name); + bool success, value; + + if (bp == NULL) + return default_value; + + success = get_bool(bp->value, &value); + if (!success) + MPD_ERROR("%s is not a boolean value (yes, true, 1) or " + "(no, false, 0) on line %i\n", + name, bp->line); + + return value; +} |