mirror of https://github.com/axmolengine/axmol.git
529 lines
15 KiB
C++
529 lines
15 KiB
C++
/**
|
|
* OpenAL cross platform audio library
|
|
* Copyright (C) 1999-2007 by authors.
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
* Or go to http://www.gnu.org/copyleft/lgpl.html
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "alconfig.h"
|
|
|
|
#include <cstdlib>
|
|
#include <cctype>
|
|
#include <cstring>
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#include <shlobj.h>
|
|
#endif
|
|
#ifdef __APPLE__
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
#endif
|
|
|
|
#include <algorithm>
|
|
#include <cstdio>
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include "alfstream.h"
|
|
#include "alstring.h"
|
|
#include "core/helpers.h"
|
|
#include "core/logging.h"
|
|
#include "strutils.h"
|
|
#include "vector.h"
|
|
|
|
|
|
namespace {
|
|
|
|
struct ConfigEntry {
|
|
std::string key;
|
|
std::string value;
|
|
};
|
|
al::vector<ConfigEntry> ConfOpts;
|
|
|
|
|
|
std::string &lstrip(std::string &line)
|
|
{
|
|
size_t pos{0};
|
|
while(pos < line.length() && std::isspace(line[pos]))
|
|
++pos;
|
|
line.erase(0, pos);
|
|
return line;
|
|
}
|
|
|
|
bool readline(std::istream &f, std::string &output)
|
|
{
|
|
while(f.good() && f.peek() == '\n')
|
|
f.ignore();
|
|
|
|
return std::getline(f, output) && !output.empty();
|
|
}
|
|
|
|
std::string expdup(const char *str)
|
|
{
|
|
std::string output;
|
|
|
|
std::string envval;
|
|
while(*str != '\0')
|
|
{
|
|
const char *addstr;
|
|
size_t addstrlen;
|
|
|
|
if(str[0] != '$')
|
|
{
|
|
const char *next = std::strchr(str, '$');
|
|
addstr = str;
|
|
addstrlen = next ? static_cast<size_t>(next-str) : std::strlen(str);
|
|
|
|
str += addstrlen;
|
|
}
|
|
else
|
|
{
|
|
str++;
|
|
if(*str == '$')
|
|
{
|
|
const char *next = std::strchr(str+1, '$');
|
|
addstr = str;
|
|
addstrlen = next ? static_cast<size_t>(next-str) : std::strlen(str);
|
|
|
|
str += addstrlen;
|
|
}
|
|
else
|
|
{
|
|
const bool hasbraces{(*str == '{')};
|
|
|
|
if(hasbraces) str++;
|
|
const char *envstart = str;
|
|
while(std::isalnum(*str) || *str == '_')
|
|
++str;
|
|
if(hasbraces && *str != '}')
|
|
continue;
|
|
const std::string envname{envstart, str};
|
|
if(hasbraces) str++;
|
|
|
|
envval = al::getenv(envname.c_str()).value_or(std::string{});
|
|
addstr = envval.data();
|
|
addstrlen = envval.length();
|
|
}
|
|
}
|
|
if(addstrlen == 0)
|
|
continue;
|
|
|
|
output.append(addstr, addstrlen);
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
void LoadConfigFromFile(std::istream &f)
|
|
{
|
|
std::string curSection;
|
|
std::string buffer;
|
|
|
|
while(readline(f, buffer))
|
|
{
|
|
if(lstrip(buffer).empty())
|
|
continue;
|
|
|
|
if(buffer[0] == '[')
|
|
{
|
|
char *line{&buffer[0]};
|
|
char *section = line+1;
|
|
char *endsection;
|
|
|
|
endsection = std::strchr(section, ']');
|
|
if(!endsection || section == endsection)
|
|
{
|
|
ERR(" config parse error: bad line \"%s\"\n", line);
|
|
continue;
|
|
}
|
|
if(endsection[1] != 0)
|
|
{
|
|
char *end = endsection+1;
|
|
while(std::isspace(*end))
|
|
++end;
|
|
if(*end != 0 && *end != '#')
|
|
{
|
|
ERR(" config parse error: bad line \"%s\"\n", line);
|
|
continue;
|
|
}
|
|
}
|
|
*endsection = 0;
|
|
|
|
curSection.clear();
|
|
if(al::strcasecmp(section, "general") != 0)
|
|
{
|
|
do {
|
|
char *nextp = std::strchr(section, '%');
|
|
if(!nextp)
|
|
{
|
|
curSection += section;
|
|
break;
|
|
}
|
|
|
|
curSection.append(section, nextp);
|
|
section = nextp;
|
|
|
|
if(((section[1] >= '0' && section[1] <= '9') ||
|
|
(section[1] >= 'a' && section[1] <= 'f') ||
|
|
(section[1] >= 'A' && section[1] <= 'F')) &&
|
|
((section[2] >= '0' && section[2] <= '9') ||
|
|
(section[2] >= 'a' && section[2] <= 'f') ||
|
|
(section[2] >= 'A' && section[2] <= 'F')))
|
|
{
|
|
int b{0};
|
|
if(section[1] >= '0' && section[1] <= '9')
|
|
b = (section[1]-'0') << 4;
|
|
else if(section[1] >= 'a' && section[1] <= 'f')
|
|
b = (section[1]-'a'+0xa) << 4;
|
|
else if(section[1] >= 'A' && section[1] <= 'F')
|
|
b = (section[1]-'A'+0x0a) << 4;
|
|
if(section[2] >= '0' && section[2] <= '9')
|
|
b |= (section[2]-'0');
|
|
else if(section[2] >= 'a' && section[2] <= 'f')
|
|
b |= (section[2]-'a'+0xa);
|
|
else if(section[2] >= 'A' && section[2] <= 'F')
|
|
b |= (section[2]-'A'+0x0a);
|
|
curSection += static_cast<char>(b);
|
|
section += 3;
|
|
}
|
|
else if(section[1] == '%')
|
|
{
|
|
curSection += '%';
|
|
section += 2;
|
|
}
|
|
else
|
|
{
|
|
curSection += '%';
|
|
section += 1;
|
|
}
|
|
} while(*section != 0);
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
auto cmtpos = std::min(buffer.find('#'), buffer.size());
|
|
while(cmtpos > 0 && std::isspace(buffer[cmtpos-1]))
|
|
--cmtpos;
|
|
if(!cmtpos) continue;
|
|
buffer.erase(cmtpos);
|
|
|
|
auto sep = buffer.find('=');
|
|
if(sep == std::string::npos)
|
|
{
|
|
ERR(" config parse error: malformed option line: \"%s\"\n", buffer.c_str());
|
|
continue;
|
|
}
|
|
auto keyend = sep++;
|
|
while(keyend > 0 && std::isspace(buffer[keyend-1]))
|
|
--keyend;
|
|
if(!keyend)
|
|
{
|
|
ERR(" config parse error: malformed option line: \"%s\"\n", buffer.c_str());
|
|
continue;
|
|
}
|
|
while(sep < buffer.size() && std::isspace(buffer[sep]))
|
|
sep++;
|
|
|
|
std::string fullKey;
|
|
if(!curSection.empty())
|
|
{
|
|
fullKey += curSection;
|
|
fullKey += '/';
|
|
}
|
|
fullKey += buffer.substr(0u, keyend);
|
|
|
|
std::string value{(sep < buffer.size()) ? buffer.substr(sep) : std::string{}};
|
|
if(value.size() > 1)
|
|
{
|
|
if((value.front() == '"' && value.back() == '"')
|
|
|| (value.front() == '\'' && value.back() == '\''))
|
|
{
|
|
value.pop_back();
|
|
value.erase(value.begin());
|
|
}
|
|
}
|
|
|
|
TRACE(" found '%s' = '%s'\n", fullKey.c_str(), value.c_str());
|
|
|
|
/* Check if we already have this option set */
|
|
auto find_key = [&fullKey](const ConfigEntry &entry) -> bool
|
|
{ return entry.key == fullKey; };
|
|
auto ent = std::find_if(ConfOpts.begin(), ConfOpts.end(), find_key);
|
|
if(ent != ConfOpts.end())
|
|
{
|
|
if(!value.empty())
|
|
ent->value = expdup(value.c_str());
|
|
else
|
|
ConfOpts.erase(ent);
|
|
}
|
|
else if(!value.empty())
|
|
ConfOpts.emplace_back(ConfigEntry{std::move(fullKey), expdup(value.c_str())});
|
|
}
|
|
ConfOpts.shrink_to_fit();
|
|
}
|
|
|
|
const char *GetConfigValue(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(!keyName)
|
|
return nullptr;
|
|
|
|
std::string key;
|
|
if(blockName && al::strcasecmp(blockName, "general") != 0)
|
|
{
|
|
key = blockName;
|
|
if(devName)
|
|
{
|
|
key += '/';
|
|
key += devName;
|
|
}
|
|
key += '/';
|
|
key += keyName;
|
|
}
|
|
else
|
|
{
|
|
if(devName)
|
|
{
|
|
key = devName;
|
|
key += '/';
|
|
}
|
|
key += keyName;
|
|
}
|
|
|
|
auto iter = std::find_if(ConfOpts.cbegin(), ConfOpts.cend(),
|
|
[&key](const ConfigEntry &entry) -> bool
|
|
{ return entry.key == key; });
|
|
if(iter != ConfOpts.cend())
|
|
{
|
|
TRACE("Found %s = \"%s\"\n", key.c_str(), iter->value.c_str());
|
|
if(!iter->value.empty())
|
|
return iter->value.c_str();
|
|
return nullptr;
|
|
}
|
|
|
|
if(!devName)
|
|
{
|
|
TRACE("Key %s not found\n", key.c_str());
|
|
return nullptr;
|
|
}
|
|
return GetConfigValue(nullptr, blockName, keyName);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
#ifdef _WIN32
|
|
void ReadALConfig()
|
|
{
|
|
WCHAR buffer[MAX_PATH];
|
|
if(SHGetSpecialFolderPathW(nullptr, buffer, CSIDL_APPDATA, FALSE) != FALSE)
|
|
{
|
|
std::string filepath{wstr_to_utf8(buffer)};
|
|
filepath += "\\alsoft.ini";
|
|
|
|
TRACE("Loading config %s...\n", filepath.c_str());
|
|
al::ifstream f{filepath};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
|
|
std::string ppath{GetProcBinary().path};
|
|
if(!ppath.empty())
|
|
{
|
|
ppath += "\\alsoft.ini";
|
|
TRACE("Loading config %s...\n", ppath.c_str());
|
|
al::ifstream f{ppath};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
|
|
if(auto confpath = al::getenv(L"ALSOFT_CONF"))
|
|
{
|
|
TRACE("Loading config %s...\n", wstr_to_utf8(confpath->c_str()).c_str());
|
|
al::ifstream f{*confpath};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
}
|
|
|
|
#else
|
|
|
|
void ReadALConfig()
|
|
{
|
|
const char *str{"/etc/openal/alsoft.conf"};
|
|
|
|
TRACE("Loading config %s...\n", str);
|
|
al::ifstream f{str};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
f.close();
|
|
|
|
std::string confpaths{al::getenv("XDG_CONFIG_DIRS").value_or("/etc/xdg")};
|
|
/* Go through the list in reverse, since "the order of base directories
|
|
* denotes their importance; the first directory listed is the most
|
|
* important". Ergo, we need to load the settings from the later dirs
|
|
* first so that the settings in the earlier dirs override them.
|
|
*/
|
|
std::string fname;
|
|
while(!confpaths.empty())
|
|
{
|
|
auto next = confpaths.find_last_of(':');
|
|
if(next < confpaths.length())
|
|
{
|
|
fname = confpaths.substr(next+1);
|
|
confpaths.erase(next);
|
|
}
|
|
else
|
|
{
|
|
fname = confpaths;
|
|
confpaths.clear();
|
|
}
|
|
|
|
if(fname.empty() || fname.front() != '/')
|
|
WARN("Ignoring XDG config dir: %s\n", fname.c_str());
|
|
else
|
|
{
|
|
if(fname.back() != '/') fname += "/alsoft.conf";
|
|
else fname += "alsoft.conf";
|
|
|
|
TRACE("Loading config %s...\n", fname.c_str());
|
|
f = al::ifstream{fname};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
fname.clear();
|
|
}
|
|
|
|
#ifdef __APPLE__
|
|
CFBundleRef mainBundle = CFBundleGetMainBundle();
|
|
if(mainBundle)
|
|
{
|
|
unsigned char fileName[PATH_MAX];
|
|
CFURLRef configURL;
|
|
|
|
if((configURL=CFBundleCopyResourceURL(mainBundle, CFSTR(".alsoftrc"), CFSTR(""), nullptr)) &&
|
|
CFURLGetFileSystemRepresentation(configURL, true, fileName, sizeof(fileName)))
|
|
{
|
|
f = al::ifstream{reinterpret_cast<char*>(fileName)};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if(auto homedir = al::getenv("HOME"))
|
|
{
|
|
fname = *homedir;
|
|
if(fname.back() != '/') fname += "/.alsoftrc";
|
|
else fname += ".alsoftrc";
|
|
|
|
TRACE("Loading config %s...\n", fname.c_str());
|
|
f = al::ifstream{fname};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
|
|
if(auto configdir = al::getenv("XDG_CONFIG_HOME"))
|
|
{
|
|
fname = *configdir;
|
|
if(fname.back() != '/') fname += "/alsoft.conf";
|
|
else fname += "alsoft.conf";
|
|
}
|
|
else
|
|
{
|
|
fname.clear();
|
|
if(auto homedir = al::getenv("HOME"))
|
|
{
|
|
fname = *homedir;
|
|
if(fname.back() != '/') fname += "/.config/alsoft.conf";
|
|
else fname += ".config/alsoft.conf";
|
|
}
|
|
}
|
|
if(!fname.empty())
|
|
{
|
|
TRACE("Loading config %s...\n", fname.c_str());
|
|
f = al::ifstream{fname};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
|
|
std::string ppath{GetProcBinary().path};
|
|
if(!ppath.empty())
|
|
{
|
|
if(ppath.back() != '/') ppath += "/alsoft.conf";
|
|
else ppath += "alsoft.conf";
|
|
|
|
TRACE("Loading config %s...\n", ppath.c_str());
|
|
f = al::ifstream{ppath};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
|
|
if(auto confname = al::getenv("ALSOFT_CONF"))
|
|
{
|
|
TRACE("Loading config %s...\n", confname->c_str());
|
|
f = al::ifstream{*confname};
|
|
if(f.is_open())
|
|
LoadConfigFromFile(f);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
al::optional<std::string> ConfigValueStr(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return al::make_optional<std::string>(val);
|
|
return al::nullopt;
|
|
}
|
|
|
|
al::optional<int> ConfigValueInt(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return al::make_optional(static_cast<int>(std::strtol(val, nullptr, 0)));
|
|
return al::nullopt;
|
|
}
|
|
|
|
al::optional<unsigned int> ConfigValueUInt(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return al::make_optional(static_cast<unsigned int>(std::strtoul(val, nullptr, 0)));
|
|
return al::nullopt;
|
|
}
|
|
|
|
al::optional<float> ConfigValueFloat(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return al::make_optional(std::strtof(val, nullptr));
|
|
return al::nullopt;
|
|
}
|
|
|
|
al::optional<bool> ConfigValueBool(const char *devName, const char *blockName, const char *keyName)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return al::make_optional(al::strcasecmp(val, "on") == 0 || al::strcasecmp(val, "yes") == 0
|
|
|| al::strcasecmp(val, "true")==0 || atoi(val) != 0);
|
|
return al::nullopt;
|
|
}
|
|
|
|
bool GetConfigValueBool(const char *devName, const char *blockName, const char *keyName, bool def)
|
|
{
|
|
if(const char *val{GetConfigValue(devName, blockName, keyName)})
|
|
return (al::strcasecmp(val, "on") == 0 || al::strcasecmp(val, "yes") == 0
|
|
|| al::strcasecmp(val, "true") == 0 || atoi(val) != 0);
|
|
return def;
|
|
}
|