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Add support for a custom path root separator using a trait. (#3678)

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* - Add support for a custom path root separator using a trait.
- Ensure to set both FilePathKey_ProjectUserPath and FilePathKey_ProjectLogPath to a writeable storage location on non-host platforms.

Signed-off-by: bosnichd <bosnichd@amazon.com>

* Remove az_trait_validator.py, as our PAL guidance no longer dictates that all traits must be defined for all platforms.

Signed-off-by: bosnichd <bosnichd@amazon.com>

* Updated based on review feedback.

Signed-off-by: bosnichd <bosnichd@amazon.com>
This commit is contained in:
bosnichd
2021-09-01 10:24:29 -06:00
committed by GitHub
parent b9c0b2a5f7
commit 82659f24e9
4 changed files with 32 additions and 159 deletions
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Code/Framework/AzCore/AzCore/IO/Path/Path.inl
+25 -6
View File
@@ -11,6 +11,7 @@
#include <AzCore/std/containers/array.h>
#include <AzCore/std/string/wildcard.h>
#include <AzCore/Casting/numeric_cast.h>
#include <AzCore/AzCore_Traits_Platform.h>
// extern instantiations of Path templates to prevent implicit instantiations
namespace AZ::IO
@@ -92,11 +93,23 @@ namespace AZ::IO::Internal
constexpr auto ConsumeRootName(InputIt entryBeginIter, InputIt entryEndIter, const char preferredSeparator)
-> AZStd::enable_if_t<AZStd::Internal::is_forward_iterator_v<InputIt>, InputIt>
{
if (preferredSeparator == '/')
if (preferredSeparator == PosixPathSeparator)
{
// If the preferred separator is forward slash the parser is in posix path
// parsing mode, which doesn't have a root name
// parsing mode, which doesn't have a root name,
// unless we're on a posix platform that uses a custom path root separator
#if defined(AZ_TRAIT_CUSTOM_PATH_ROOT_SEPARATOR)
const AZStd::string_view path{ entryBeginIter, entryEndIter };
const auto positionOfPathSeparator = path.find(AZ_TRAIT_CUSTOM_PATH_ROOT_SEPARATOR);
if (positionOfPathSeparator == AZStd::string_view::npos)
{
return entryBeginIter;
}
const AZStd::string_view rootName{ path.substr(0, positionOfPathSeparator + 1) };
return AZStd::next(entryBeginIter, rootName.size());
#else
return entryBeginIter;
#endif
}
else
{
@@ -185,13 +198,18 @@ namespace AZ::IO::Internal
template <typename InputIt, typename EndIt, typename = AZStd::enable_if_t<AZStd::Internal::is_input_iterator_v<InputIt>>>
static constexpr bool IsAbsolute(InputIt first, EndIt last, const char preferredSeparator)
{
size_t pathSize = AZStd::distance(first, last);
// If the preferred separator is a forward slash
// than an absolute path is simply one that starts with a forward slash
if (preferredSeparator == '/')
// than an absolute path is simply one that starts with a forward slash,
// unless we're on a posix platform that uses a custom path root separator
if (preferredSeparator == PosixPathSeparator)
{
#if defined(AZ_TRAIT_CUSTOM_PATH_ROOT_SEPARATOR)
const AZStd::string_view path{ first, last };
return path.find(AZ_TRAIT_CUSTOM_PATH_ROOT_SEPARATOR) != AZStd::string_view::npos;
#else
const size_t pathSize = AZStd::distance(first, last);
return pathSize > 0 && IsSeparator(*first);
#endif
}
else
{
@@ -199,6 +217,7 @@ namespace AZ::IO::Internal
{
// If a windows path ends starts with C:foo it is a root relative path
// A path is absolute root absolute on windows if it starts with <drive_letter><colon><path_separator>
const size_t pathSize = AZStd::distance(first, last);
return pathSize > 2 && Internal::IsSeparator(*AZStd::next(first, 2));
}
Code/Framework/AzCore/AzCore/Settings/SettingsRegistryMergeUtils.cpp
+7 -4
View File
@@ -550,7 +550,7 @@ namespace AZ::SettingsRegistryMergeUtils
}
registry.Set(FilePathKey_ProjectUserPath, projectUserPath.Native());
// Set the user directory with the provided path or using project/user as default
// Set the log directory with the provided path or using project/user/log as default
auto projectLogPathKey = FixedValueString::format("%s/project_log_path", BootstrapSettingsRootKey);
AZ::IO::FixedMaxPath projectLogPath;
if (!registry.Get(projectLogPath.Native(), projectLogPathKey))
@@ -640,7 +640,7 @@ namespace AZ::SettingsRegistryMergeUtils
}
#if !AZ_TRAIT_OS_IS_HOST_OS_PLATFORM
// Setup the cache and user paths when to platform specific locations when running on non-host platforms
// Setup the cache, user, and log paths to platform specific locations when running on non-host platforms
path = engineRoot;
if (AZStd::optional<AZ::IO::FixedMaxPathString> nonHostCacheRoot = Utils::GetDefaultAppRootPath();
nonHostCacheRoot)
@@ -656,13 +656,16 @@ namespace AZ::SettingsRegistryMergeUtils
if (AZStd::optional<AZ::IO::FixedMaxPathString> devWriteStorage = Utils::GetDevWriteStoragePath();
devWriteStorage)
{
registry.Set(FilePathKey_DevWriteStorage, *devWriteStorage);
registry.Set(FilePathKey_ProjectUserPath, *devWriteStorage);
const AZ::IO::FixedMaxPath devWriteStoragePath(*devWriteStorage);
registry.Set(FilePathKey_DevWriteStorage, devWriteStoragePath.LexicallyNormal().Native());
registry.Set(FilePathKey_ProjectUserPath, (devWriteStoragePath / "user").LexicallyNormal().Native());
registry.Set(FilePathKey_ProjectLogPath, (devWriteStoragePath / "user/log").LexicallyNormal().Native());
}
else
{
registry.Set(FilePathKey_DevWriteStorage, path.LexicallyNormal().Native());
registry.Set(FilePathKey_ProjectUserPath, (path / "user").LexicallyNormal().Native());
registry.Set(FilePathKey_ProjectLogPath, (path / "user/log").LexicallyNormal().Native());
}
#endif // AZ_TRAIT_OS_IS_HOST_OS_PLATFORM
}