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Diffstat (limited to 'src/config/ConfigGlobal.cxx')
| -rw-r--r-- | src/config/ConfigGlobal.cxx | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/config/ConfigGlobal.cxx b/src/config/ConfigGlobal.cxx new file mode 100644 index 000000000..9bc83398c --- /dev/null +++ b/src/config/ConfigGlobal.cxx @@ -0,0 +1,190 @@ +/* + * Copyright (C) 2003-2014 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 "ConfigGlobal.hxx" +#include "ConfigParser.hxx" +#include "ConfigData.hxx" +#include "ConfigFile.hxx" +#include "ConfigPath.hxx" +#include "ConfigError.hxx" +#include "fs/Path.hxx" +#include "fs/AllocatedPath.hxx" +#include "util/Error.hxx" +#include "system/FatalError.hxx" +#include "Log.hxx" + +#include <stdlib.h> + +static ConfigData config_data; + +void config_global_finish(void) +{ + for (auto i : config_data.params) + delete i; +} + +void config_global_init(void) +{ +} + +bool +ReadConfigFile(Path path, Error &error) +{ + return ReadConfigFile(config_data, path, error); +} + +static void +Check(const config_param *param) +{ + if (!param->used) + /* this whole config_param was not queried at all - + the feature might be disabled at compile time? + Silently ignore it here. */ + return; + + for (const auto &i : param->block_params) { + if (!i.used) + FormatWarning(config_domain, + "option '%s' on line %i was not recognized", + i.name.c_str(), i.line); + } +} + +void config_global_check(void) +{ + for (auto i : config_data.params) + for (const config_param *p = i; p != nullptr; p = p->next) + Check(p); +} + +const config_param * +config_get_param(ConfigOption option) +{ + config_param *param = config_data.params[unsigned(option)]; + if (param != nullptr) + param->used = true; + return param; +} + +const config_param * +config_find_block(ConfigOption option, const char *key, const char *value) +{ + for (const config_param *param = config_get_param(option); + param != nullptr; param = param->next) { + const char *value2 = param->GetBlockValue(key); + if (value2 == nullptr) + FormatFatalError("block without '%s' name in line %d", + key, param->line); + + if (strcmp(value2, value) == 0) + return param; + } + + return nullptr; +} + +const char * +config_get_string(ConfigOption option, const char *default_value) +{ + const struct config_param *param = config_get_param(option); + + if (param == nullptr) + return default_value; + + return param->value.c_str(); +} + +AllocatedPath +config_get_path(ConfigOption option, Error &error) +{ + const struct config_param *param = config_get_param(option); + if (param == nullptr) + return AllocatedPath::Null(); + + return config_parse_path(param, error); +} + +AllocatedPath +config_parse_path(const struct config_param *param, Error & error) +{ + AllocatedPath path = ParsePath(param->value.c_str(), error); + if (gcc_unlikely(path.IsNull())) + error.FormatPrefix("Invalid path at line %i: ", + param->line); + + return path; +} + +unsigned +config_get_unsigned(ConfigOption option, unsigned default_value) +{ + const struct config_param *param = config_get_param(option); + long value; + char *endptr; + + if (param == nullptr) + return default_value; + + value = strtol(param->value.c_str(), &endptr, 0); + if (*endptr != 0 || value < 0) + FormatFatalError("Not a valid non-negative number in line %i", + param->line); + + return (unsigned)value; +} + +unsigned +config_get_positive(ConfigOption option, unsigned default_value) +{ + const struct config_param *param = config_get_param(option); + long value; + char *endptr; + + if (param == nullptr) + return default_value; + + value = strtol(param->value.c_str(), &endptr, 0); + if (*endptr != 0) + FormatFatalError("Not a valid number in line %i", param->line); + + if (value <= 0) + FormatFatalError("Not a positive number in line %i", + param->line); + + return (unsigned)value; +} + +bool +config_get_bool(ConfigOption option, bool default_value) +{ + const struct config_param *param = config_get_param(option); + bool success, value; + + if (param == nullptr) + return default_value; + + success = get_bool(param->value.c_str(), &value); + if (!success) + FormatFatalError("Expected boolean value (yes, true, 1) or " + "(no, false, 0) on line %i\n", + param->line); + + return value; +} |