mpd/src/ConfigData.cxx
2013-04-09 01:17:47 +02:00

140 lines
3.3 KiB
C++

/*
* 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 "ConfigPath.hxx"
#include "mpd_error.h"
#include <glib.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
config_param::config_param(const char *_value, int _line)
:next(nullptr), value(g_strdup(_value)), line(_line) {}
config_param::~config_param()
{
delete next;
g_free(value);
}
const block_param *
config_param::GetBlockParam(const char *name) const
{
for (const auto &i : block_params) {
if (i.name == name) {
i.used = true;
return &i;
}
}
return NULL;
}
const char *
config_get_block_string(const struct config_param *param, const char *name,
const char *default_value)
{
if (param == nullptr)
return default_value;
const block_param *bp = param->GetBlockParam(name);
if (bp == NULL)
return default_value;
return bp->value.c_str();
}
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);
if (param == nullptr)
return nullptr;
const block_param *bp = param->GetBlockParam(name);
if (bp == NULL)
return NULL;
char *path = parsePath(bp->value.c_str(), 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)
{
if (param == nullptr)
return default_value;
const block_param *bp = param->GetBlockParam(name);
if (bp == NULL)
return default_value;
char *endptr;
long value = strtol(bp->value.c_str(), &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)
{
if (param == nullptr)
return default_value;
const block_param *bp = param->GetBlockParam(name);
bool success, value;
if (bp == NULL)
return default_value;
success = get_bool(bp->value.c_str(), &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;
}