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Add and use custom string types and functions

master
Chris Robinson 2019-09-16 13:45:14 -07:00
parent 650764775f
commit 2c5c5a5397
6 changed files with 123 additions and 38 deletions
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2
CMakeLists.txt
View File

@ -594,6 +594,8 @@ SET(COMMON_OBJS
common/alnumeric.h
common/aloptional.h
common/alspan.h
common/alstring.cpp
common/alstring.h
common/atomic.h
common/dynload.cpp
common/dynload.h

4
al/extension.cpp
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@ -29,6 +29,7 @@
#include "alcontext.h"
#include "alexcpt.h"
#include "alstring.h"
#include "opthelpers.h"
@ -45,8 +46,7 @@ START_API_FUNC
const char *ptr{context->mExtensionList};
while(ptr && *ptr)
{
if(strncasecmp(ptr, extName, len) == 0 &&
(ptr[len] == '\0' || isspace(ptr[len])))
if(al::strncasecmp(ptr, extName, len) == 0 && (ptr[len] == '\0' || isspace(ptr[len])))
return AL_TRUE;
if((ptr=strchr(ptr, ' ')) != nullptr)

78
alc/alc.cpp
View File

@ -67,6 +67,7 @@
#include "alnumeric.h"
#include "aloptional.h"
#include "alspan.h"
#include "alstring.h"
#include "alu.h"
#include "ambidefs.h"
#include "atomic.h"
@ -802,8 +803,8 @@ std::string alcAllDevicesList;
std::string alcCaptureDeviceList;
/* Default is always the first in the list */
std::string alcDefaultAllDevicesSpecifier;
std::string alcCaptureDefaultDeviceSpecifier;
al::string alcDefaultAllDevicesSpecifier;
al::string alcCaptureDefaultDeviceSpecifier;
/* Default context extensions */
constexpr ALchar alExtList[] =
@ -952,7 +953,7 @@ void alc_initconfig(void)
TRACE("Initializing library v%s-%s %s\n", ALSOFT_VERSION, ALSOFT_GIT_COMMIT_HASH,
ALSOFT_GIT_BRANCH);
{
std::string names;
al::string names;
if(std::begin(BackendList) == BackendListEnd)
names += "(none)";
else
@ -971,7 +972,7 @@ void alc_initconfig(void)
if(auto suspendmode = al::getenv("__ALSOFT_SUSPEND_CONTEXT"))
{
if(strcasecmp(suspendmode->c_str(), "ignore") == 0)
if(al::strcasecmp(suspendmode->c_str(), "ignore") == 0)
{
SuspendDefers = false;
TRACE("Selected context suspend behavior, \"ignore\"\n");
@ -996,7 +997,7 @@ void alc_initconfig(void)
if(auto cpuopt = ConfigValueStr(nullptr, nullptr, "disable-cpu-exts"))
{
const char *str{cpuopt->c_str()};
if(strcasecmp(str, "all") == 0)
if(al::strcasecmp(str, "all") == 0)
capfilter = 0;
else
{
@ -1013,15 +1014,15 @@ void alc_initconfig(void)
size_t len{next ? static_cast<size_t>(next-str) : strlen(str)};
while(len > 0 && isspace(str[len-1]))
len--;
if(len == 3 && strncasecmp(str, "sse", len) == 0)
if(len == 3 && al::strncasecmp(str, "sse", len) == 0)
capfilter &= ~CPU_CAP_SSE;
else if(len == 4 && strncasecmp(str, "sse2", len) == 0)
else if(len == 4 && al::strncasecmp(str, "sse2", len) == 0)
capfilter &= ~CPU_CAP_SSE2;
else if(len == 4 && strncasecmp(str, "sse3", len) == 0)
else if(len == 4 && al::strncasecmp(str, "sse3", len) == 0)
capfilter &= ~CPU_CAP_SSE3;
else if(len == 6 && strncasecmp(str, "sse4.1", len) == 0)
else if(len == 6 && al::strncasecmp(str, "sse4.1", len) == 0)
capfilter &= ~CPU_CAP_SSE4_1;
else if(len == 4 && strncasecmp(str, "neon", len) == 0)
else if(len == 4 && al::strncasecmp(str, "neon", len) == 0)
capfilter &= ~CPU_CAP_NEON;
else
WARN("Invalid CPU extension \"%s\"\n", str);
@ -1042,8 +1043,8 @@ void alc_initconfig(void)
aluInitMixer();
auto traperr = al::getenv("ALSOFT_TRAP_ERROR");
if(traperr && (strcasecmp(traperr->c_str(), "true") == 0
|| strtol(traperr->c_str(), nullptr, 0) == 1))
if(traperr && (al::strcasecmp(traperr->c_str(), "true") == 0
|| std::strtol(traperr->c_str(), nullptr, 0) == 1))
{
TrapALError = true;
TrapALCError = true;
@ -1052,14 +1053,14 @@ void alc_initconfig(void)
{
traperr = al::getenv("ALSOFT_TRAP_AL_ERROR");
if(traperr)
TrapALError = strcasecmp(traperr->c_str(), "true") == 0
TrapALError = al::strcasecmp(traperr->c_str(), "true") == 0
|| strtol(traperr->c_str(), nullptr, 0) == 1;
else
TrapALError = !!GetConfigValueBool(nullptr, nullptr, "trap-al-error", false);
traperr = al::getenv("ALSOFT_TRAP_ALC_ERROR");
if(traperr)
TrapALCError = strcasecmp(traperr->c_str(), "true") == 0
TrapALCError = al::strcasecmp(traperr->c_str(), "true") == 0
|| strtol(traperr->c_str(), nullptr, 0) == 1;
else
TrapALCError = !!GetConfigValueBool(nullptr, nullptr, "trap-alc-error", false);
@ -1870,11 +1871,11 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
if(auto hrtfopt = ConfigValueStr(device->DeviceName.c_str(), nullptr, "hrtf"))
{
const char *hrtf{hrtfopt->c_str()};
if(strcasecmp(hrtf, "true") == 0)
if(al::strcasecmp(hrtf, "true") == 0)
hrtf_userreq = Hrtf_Enable;
else if(strcasecmp(hrtf, "false") == 0)
else if(al::strcasecmp(hrtf, "false") == 0)
hrtf_userreq = Hrtf_Disable;
else if(strcasecmp(hrtf, "auto") != 0)
else if(al::strcasecmp(hrtf, "auto") != 0)
ERR("Unexpected hrtf value: %s\n", hrtf);
}
@ -3194,8 +3195,7 @@ START_API_FUNC
const char *ptr = (dev ? alcExtensionList : alcNoDeviceExtList);
while(ptr && *ptr)
{
if(strncasecmp(ptr, extName, len) == 0 &&
(ptr[len] == '\0' || isspace(ptr[len])))
if(al::strncasecmp(ptr, extName, len) == 0 && (ptr[len] == '\0' || isspace(ptr[len])))
return ALC_TRUE;
if((ptr=strchr(ptr, ' ')) != nullptr)
@ -3513,17 +3513,21 @@ START_API_FUNC
return nullptr;
}
if(deviceName && (!deviceName[0] || strcasecmp(deviceName, alcDefaultName) == 0 || strcasecmp(deviceName, "openal-soft") == 0
if(deviceName)
{
if(!deviceName[0] || al::strcasecmp(deviceName, alcDefaultName) == 0
#ifdef _WIN32
/* Some old Windows apps hardcode these expecting OpenAL to use a
* specific audio API, even when they're not enumerated. Creative's
* router effectively ignores them too.
*/
|| strcasecmp(deviceName, "DirectSound3D") == 0 || strcasecmp(deviceName, "DirectSound") == 0
|| strcasecmp(deviceName, "MMSYSTEM") == 0
/* Some old Windows apps hardcode these expecting OpenAL to use a
* specific audio API, even when they're not enumerated. Creative's
* router effectively ignores them too.
*/
|| al::strcasecmp(deviceName, "DirectSound3D") == 0
|| al::strcasecmp(deviceName, "DirectSound") == 0
|| al::strcasecmp(deviceName, "MMSYSTEM") == 0
#endif
))
deviceName = nullptr;
|| al::strcasecmp(deviceName, "openal-soft") == 0)
deviceName = nullptr;
}
DeviceRef device{new ALCdevice{Playback}};
@ -3579,7 +3583,7 @@ START_API_FUNC
const ALCchar *fmt{chanopt->c_str()};
auto iter = std::find_if(std::begin(chanlist), std::end(chanlist),
[fmt](const ChannelMap &entry) -> bool
{ return strcasecmp(entry.name, fmt) == 0; }
{ return al::strcasecmp(entry.name, fmt) == 0; }
);
if(iter == std::end(chanlist))
ERR("Unsupported channels: %s\n", fmt);
@ -3608,7 +3612,7 @@ START_API_FUNC
const ALCchar *fmt{typeopt->c_str()};
auto iter = std::find_if(std::begin(typelist), std::end(typelist),
[fmt](const TypeMap &entry) -> bool
{ return strcasecmp(entry.name, fmt) == 0; }
{ return al::strcasecmp(entry.name, fmt) == 0; }
);
if(iter == std::end(typelist))
ERR("Unsupported sample-type: %s\n", fmt);
@ -3661,7 +3665,7 @@ START_API_FUNC
if(auto ambiopt = ConfigValueStr(deviceName, nullptr, "ambi-format"))
{
const ALCchar *fmt{ambiopt->c_str()};
if(strcasecmp(fmt, "fuma") == 0)
if(al::strcasecmp(fmt, "fuma") == 0)
{
if(device->mAmbiOrder > 3)
ERR("FuMa is incompatible with %d%s order ambisonics (up to third-order only)\n",
@ -3676,12 +3680,12 @@ START_API_FUNC
device->mAmbiScale = AmbiNorm::FuMa;
}
}
else if(strcasecmp(fmt, "ambix") == 0 || strcasecmp(fmt, "acn+sn3d") == 0)
else if(al::strcasecmp(fmt, "ambix") == 0 || al::strcasecmp(fmt, "acn+sn3d") == 0)
{
device->mAmbiLayout = AmbiLayout::ACN;
device->mAmbiScale = AmbiNorm::SN3D;
}
else if(strcasecmp(fmt, "acn+n3d") == 0)
else if(al::strcasecmp(fmt, "acn+n3d") == 0)
{
device->mAmbiLayout = AmbiLayout::ACN;
device->mAmbiScale = AmbiNorm::N3D;
@ -3776,8 +3780,12 @@ START_API_FUNC
return nullptr;
}
if(deviceName && (!deviceName[0] || strcasecmp(deviceName, alcDefaultName) == 0 || strcasecmp(deviceName, "openal-soft") == 0))
deviceName = nullptr;
if(deviceName)
{
if(!deviceName[0] || al::strcasecmp(deviceName, alcDefaultName) == 0
|| al::strcasecmp(deviceName, "openal-soft") == 0)
deviceName = nullptr;
}
DeviceRef device{new ALCdevice{Capture}};

45
common/alstring.cpp Normal file
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@ -0,0 +1,45 @@
#include "config.h"
#include "alstring.h"
#include <cctype>
#include <string>
namespace {
int to_upper(const char ch)
{
using char8_traits = std::char_traits<char>;
return std::toupper(char8_traits::to_int_type(ch));
}
} // namespace
namespace al {
int strcasecmp(const char *str0, const char *str1) noexcept
{
do {
const int diff{to_upper(*str0) - to_upper(*str1)};
if(diff < 0) return -1;
if(diff > 0) return 1;
} while(*(str0++) && *(str1++));
return 0;
}
int strncasecmp(const char *str0, const char *str1, std::size_t len) noexcept
{
if(len > 0)
{
do {
const int diff{to_upper(*str0) - to_upper(*str1)};
if(diff < 0) return -1;
if(diff > 0) return 1;
} while(--len && *(str0++) && *(str1++));
}
return 0;
}
} // namespace al

29
common/alstring.h Normal file
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@ -0,0 +1,29 @@
#ifndef AL_STRING_H
#define AL_STRING_H
#include <cstddef>
#include <string>
#include "almalloc.h"
namespace al {
template<typename T, typename Tr=std::char_traits<T>>
using basic_string = std::basic_string<T, Tr, al::allocator<T>>;
using string = basic_string<char>;
using wstring = basic_string<wchar_t>;
using u16string = basic_string<char16_t>;
using u32string = basic_string<char32_t>;
/* These would be better served by using a string_view-like span/view with
* case-insensitive char traits.
*/
int strcasecmp(const char *str0, const char *str1) noexcept;
int strncasecmp(const char *str0, const char *str1, std::size_t len) noexcept;
} // namespace al
#endif /* AL_STRING_H */

3
router/alc.cpp
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@ -11,6 +11,7 @@
#include <array>
#include "AL/alc.h"
#include "alstring.h"
#include "router.h"
@ -539,7 +540,7 @@ ALC_API ALCboolean ALC_APIENTRY alcIsExtensionPresent(ALCdevice *device, const A
ptr = alcExtensionList;
while(ptr && *ptr)
{
if(strncasecmp(ptr, extname, len) == 0 && (ptr[len] == '\0' || isspace(ptr[len])))
if(al::strncasecmp(ptr, extname, len) == 0 && (ptr[len] == '\0' || isspace(ptr[len])))
return ALC_TRUE;
if((ptr=strchr(ptr, ' ')) != nullptr)
{