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/*
* Copyright (C) 2003-2015 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 "Data.hxx"
#include "Param.hxx"
#include "Block.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)
{
config_data.Clear();
}
void config_global_init(void)
{
}
bool
ReadConfigFile(Path path, Error &error)
{
return ReadConfigFile(config_data, path, error);
}
static void
Check(const ConfigBlock &block)
{
if (!block.used)
/* this whole block was not queried at all -
the feature might be disabled at compile time?
Silently ignore it here. */
return;
for (const auto &i : block.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.blocks)
for (const auto *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 ConfigBlock *
config_get_block(ConfigBlockOption option)
{
ConfigBlock *block = config_data.blocks[unsigned(option)];
if (block != nullptr)
block->used = true;
return block;
}
const ConfigBlock *
config_find_block(ConfigBlockOption option, const char *key, const char *value)
{
for (const auto *block = config_get_block(option);
block != nullptr; block = block->next) {
const char *value2 = block->GetBlockValue(key);
if (value2 == nullptr)
FormatFatalError("block without '%s' name in line %d",
key, block->line);
if (strcmp(value2, value) == 0)
return block;
}
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;
}
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