From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../service/openvr/src/vrpathregistry_public.cpp | 442 +++++++++++++++++++++ 1 file changed, 442 insertions(+) create mode 100644 gfx/vr/service/openvr/src/vrpathregistry_public.cpp (limited to 'gfx/vr/service/openvr/src/vrpathregistry_public.cpp') diff --git a/gfx/vr/service/openvr/src/vrpathregistry_public.cpp b/gfx/vr/service/openvr/src/vrpathregistry_public.cpp new file mode 100644 index 0000000000..f40fc1cda1 --- /dev/null +++ b/gfx/vr/service/openvr/src/vrpathregistry_public.cpp @@ -0,0 +1,442 @@ +//========= Copyright Valve Corporation ============// + +#include "vrpathregistry_public.h" +#include "json/json.h" +#include "pathtools_public.h" +#include "envvartools_public.h" +#include "strtools_public.h" +#include "dirtools_public.h" + +#if defined( WIN32 ) +#include +#include + +#undef GetEnvironmentVariable +#elif defined OSX +#include +#include +#elif defined(LINUX) +#include +#include +#endif + +#include + +#ifndef VRLog + #if defined( __MINGW32__ ) + #define VRLog(args...) fprintf(stderr, args) + #elif defined( WIN32 ) + #define VRLog(fmt, ...) fprintf(stderr, fmt, __VA_ARGS__) + #else + #define VRLog(args...) fprintf(stderr, args) + #endif +#endif + +/** Returns the root of the directory the system wants us to store user config data in */ +static std::string GetAppSettingsPath() +{ +#if defined( WIN32 ) + WCHAR rwchPath[MAX_PATH]; + + if( !SUCCEEDED( SHGetFolderPathW( NULL, CSIDL_LOCAL_APPDATA | CSIDL_FLAG_CREATE, NULL, 0, rwchPath ) ) ) + { + return ""; + } + + // Convert the path to UTF-8 and store in the output + std::string sUserPath = UTF16to8( rwchPath ); + + return sUserPath; +#elif defined( OSX ) + std::string sSettingsDir; + @autoreleasepool { + // Search for the path + NSArray *paths = NSSearchPathForDirectoriesInDomains( NSApplicationSupportDirectory, NSUserDomainMask, YES ); + if ( [paths count] == 0 ) + { + return ""; + } + + NSString *resolvedPath = [paths objectAtIndex:0]; + resolvedPath = [resolvedPath stringByAppendingPathComponent: @"OpenVR"]; + + if ( ![[NSFileManager defaultManager] createDirectoryAtPath: resolvedPath withIntermediateDirectories:YES attributes:nil error:nil] ) + { + return ""; + } + + sSettingsDir.assign( [resolvedPath UTF8String] ); + } + return sSettingsDir; +#elif defined( LINUX ) + + // As defined by XDG Base Directory Specification + // https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html + + const char *pchHome = getenv("XDG_CONFIG_HOME"); + if ( ( pchHome != NULL) && ( pchHome[0] != '\0' ) ) + { + return pchHome; + } + + // + // XDG_CONFIG_HOME is not defined, use ~/.config instead + // + pchHome = getenv( "HOME" ); + if ( pchHome == NULL ) + { + return ""; + } + + std::string sUserPath( pchHome ); + sUserPath = Path_Join( sUserPath, ".config" ); + return sUserPath; +#else + #warning "Unsupported platform" +#endif +} + + +// --------------------------------------------------------------------------- +// Purpose: Constructor +// --------------------------------------------------------------------------- +CVRPathRegistry_Public::CVRPathRegistry_Public() +{ + +} + +// --------------------------------------------------------------------------- +// Purpose: Computes the registry filename +// --------------------------------------------------------------------------- +std::string CVRPathRegistry_Public::GetOpenVRConfigPath() +{ + std::string sConfigPath = GetAppSettingsPath(); + if( sConfigPath.empty() ) + return ""; + +#if defined( _WIN32 ) || defined( LINUX ) + sConfigPath = Path_Join( sConfigPath, "openvr" ); +#elif defined ( OSX ) + sConfigPath = Path_Join( sConfigPath, ".openvr" ); +#else + #warning "Unsupported platform" +#endif + sConfigPath = Path_FixSlashes( sConfigPath ); + return sConfigPath; +} + + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +std::string CVRPathRegistry_Public::GetVRPathRegistryFilename() +{ + std::string sOverridePath = GetEnvironmentVariable( "VR_PATHREG_OVERRIDE" ); + if ( !sOverridePath.empty() ) + return sOverridePath; + + std::string sPath = GetOpenVRConfigPath(); + if ( sPath.empty() ) + return ""; + +#if defined( _WIN32 ) + sPath = Path_Join( sPath, "openvrpaths.vrpath" ); +#elif defined ( POSIX ) + sPath = Path_Join( sPath, "openvrpaths.vrpath" ); +#else + #error "Unsupported platform" +#endif + sPath = Path_FixSlashes( sPath ); + return sPath; +} + + +// --------------------------------------------------------------------------- +// Purpose: Converts JSON to a history array +// --------------------------------------------------------------------------- +static void ParseStringListFromJson( std::vector< std::string > *pvecHistory, const Json::Value & root, const char *pchArrayName ) +{ + if( !root.isMember( pchArrayName ) ) + return; + + const Json::Value & arrayNode = root[ pchArrayName ]; + if( !arrayNode ) + { + VRLog( "VR Path Registry node %s is not an array\n", pchArrayName ); + return; + } + + pvecHistory->clear(); + pvecHistory->reserve( arrayNode.size() ); + for( uint32_t unIndex = 0; unIndex < arrayNode.size(); unIndex++ ) + { + std::string sPath( arrayNode[ unIndex ].asString() ); + pvecHistory->push_back( sPath ); + } +} + + +// --------------------------------------------------------------------------- +// Purpose: Converts a history array to JSON +// --------------------------------------------------------------------------- +static void StringListToJson( const std::vector< std::string > & vecHistory, Json::Value & root, const char *pchArrayName ) +{ + Json::Value & arrayNode = root[ pchArrayName ]; + for( auto i = vecHistory.begin(); i != vecHistory.end(); i++ ) + { + arrayNode.append( *i ); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +bool CVRPathRegistry_Public::ToJsonString( std::string &sJsonString ) +{ + std::string sRegPath = GetVRPathRegistryFilename(); + if( sRegPath.empty() ) + return false; + + std::string sRegistryContents = Path_ReadTextFile( sRegPath ); + if( sRegistryContents.empty() ) + return false; + + sJsonString = sRegistryContents; + + return true; +} + +// Mozilla: see README.mozilla for more details +// --------------------------------------------------------------------------- +// Purpose: Loads the config file from its well known location +// --------------------------------------------------------------------------- +bool CVRPathRegistry_Public::BLoadFromFile( std::string *psLoadError ) +{ + std::string sRegPath = GetVRPathRegistryFilename(); + if( sRegPath.empty() ) + { + if ( psLoadError ) + { + *psLoadError = "Unable to determine VR Path Registry filename"; + } + return false; + } + + std::string sRegistryContents = Path_ReadTextFile( sRegPath ); + if( sRegistryContents.empty() ) + { + if ( psLoadError ) + { + *psLoadError = "Unable to read VR Path Registry from " + sRegPath; + } + return false; + } + + Json::Value root; + Json::CharReaderBuilder builder; + std::istringstream istream( sRegistryContents ); + std::string sErrors; + +// try + { + if ( !parseFromStream( builder, istream, &root, &sErrors ) ) + { + if ( psLoadError ) + { + *psLoadError = "Unable to parse " + sRegPath + ": " + sErrors; + } + return false; + } + + ParseStringListFromJson( &m_vecRuntimePath, root, "runtime" ); + ParseStringListFromJson( &m_vecConfigPath, root, "config" ); + ParseStringListFromJson( &m_vecLogPath, root, "log" ); + if ( root.isMember( "external_drivers" ) && root["external_drivers"].isArray() ) + { + ParseStringListFromJson( &m_vecExternalDrivers, root, "external_drivers" ); + } + } +// catch ( ... ) +// { +// if ( psLoadError ) +// { +// *psLoadError = "Unable to parse " + sRegPath + ": exception thrown in JSON library"; +// } +// return false; +// } + + return true; +} + + +// --------------------------------------------------------------------------- +// Purpose: Saves the config file to its well known location +// --------------------------------------------------------------------------- +bool CVRPathRegistry_Public::BSaveToFile() const +{ + std::string sRegPath = GetVRPathRegistryFilename(); + if( sRegPath.empty() ) + return false; + + Json::Value root; + + root[ "version" ] = 1; + root[ "jsonid" ] = "vrpathreg"; + + StringListToJson( m_vecRuntimePath, root, "runtime" ); + StringListToJson( m_vecConfigPath, root, "config" ); + StringListToJson( m_vecLogPath, root, "log" ); + StringListToJson( m_vecExternalDrivers, root, "external_drivers" ); + + Json::StreamWriterBuilder builder; + std::string sRegistryContents = Json::writeString( builder, root ); + + // make sure the directory we're writing into actually exists + std::string sRegDirectory = Path_StripFilename( sRegPath ); + if( !BCreateDirectoryRecursive( sRegDirectory.c_str() ) ) + { + VRLog( "Unable to create path registry directory %s\n", sRegDirectory.c_str() ); + return false; + } + + if( !Path_WriteStringToTextFile( sRegPath, sRegistryContents.c_str() ) ) + { + VRLog( "Unable to write VR path registry to %s\n", sRegPath.c_str() ); + return false; + } + + return true; +} + + +// --------------------------------------------------------------------------- +// Purpose: Returns the current runtime path or NULL if no path is configured. +// --------------------------------------------------------------------------- +std::string CVRPathRegistry_Public::GetRuntimePath() const +{ + if( m_vecRuntimePath.empty() ) + return ""; + else + return m_vecRuntimePath.front().c_str(); +} + + +// --------------------------------------------------------------------------- +// Purpose: Returns the current config path or NULL if no path is configured. +// --------------------------------------------------------------------------- +std::string CVRPathRegistry_Public::GetConfigPath() const +{ + if( m_vecConfigPath.empty() ) + return ""; + else + return m_vecConfigPath.front().c_str(); +} + + +// --------------------------------------------------------------------------- +// Purpose: Returns the current log path or NULL if no path is configured. +// --------------------------------------------------------------------------- +std::string CVRPathRegistry_Public::GetLogPath() const +{ + if( m_vecLogPath.empty() ) + return ""; + else + return m_vecLogPath.front().c_str(); +} + + + +// --------------------------------------------------------------------------- +// Purpose: Returns paths using the path registry and the provided override +// values. Pass NULL for any paths you don't care about. +// --------------------------------------------------------------------------- +bool CVRPathRegistry_Public::GetPaths( std::string *psRuntimePath, std::string *psConfigPath, std::string *psLogPath, const char *pchConfigPathOverride, const char *pchLogPathOverride, std::vector *pvecExternalDrivers ) +{ + std::string sLoadError; + CVRPathRegistry_Public pathReg; + bool bLoadedRegistry = pathReg.BLoadFromFile( &sLoadError ); + int nCountEnvironmentVariables = 0; + int nRequestedPaths = 0; + + if( psRuntimePath ) + { + nRequestedPaths++; + if ( GetEnvironmentVariable( k_pchRuntimeOverrideVar ).length() != 0 ) + { + *psRuntimePath = GetEnvironmentVariable( k_pchRuntimeOverrideVar ); + nCountEnvironmentVariables++; + } + else if( !pathReg.GetRuntimePath().empty() ) + { + *psRuntimePath = pathReg.GetRuntimePath(); + } + else + { + *psRuntimePath = ""; + } + } + + if( psConfigPath ) + { + nRequestedPaths++; + if ( GetEnvironmentVariable( k_pchConfigOverrideVar ).length() != 0 ) + { + *psConfigPath = GetEnvironmentVariable( k_pchConfigOverrideVar ); + nCountEnvironmentVariables++; + } + else if( pchConfigPathOverride ) + { + *psConfigPath = pchConfigPathOverride; + } + else if( !pathReg.GetConfigPath().empty() ) + { + *psConfigPath = pathReg.GetConfigPath(); + } + else + { + *psConfigPath = ""; + } + } + + if( psLogPath ) + { + nRequestedPaths++; + if ( GetEnvironmentVariable( k_pchLogOverrideVar ).length() != 0 ) + { + *psLogPath = GetEnvironmentVariable( k_pchLogOverrideVar ); + nCountEnvironmentVariables++; + } + else if( pchLogPathOverride ) + { + *psLogPath = pchLogPathOverride; + } + else if( !pathReg.GetLogPath().empty() ) + { + *psLogPath = pathReg.GetLogPath(); + } + else + { + *psLogPath = ""; + } + } + + if ( pvecExternalDrivers ) + { + *pvecExternalDrivers = pathReg.m_vecExternalDrivers; + } + + if ( nCountEnvironmentVariables == nRequestedPaths ) + { + // all three environment variables were set, so we don't need the physical file + return true; + } + else if( !bLoadedRegistry ) + { + VRLog( "%s\n", sLoadError.c_str() ); + } + + return bLoadedRegistry; +} + -- cgit v1.2.3