Rearrange sources into subdirectories

[builder.git] / source / lib / sysutils.cpp

diff --git a/source/lib/sysutils.cpp b/source/lib/sysutils.cpp
new file mode 100644 (file)
index 0000000..95867b7
--- /dev/null
+++ b/source/lib/sysutils.cpp
@@ -0,0 +1,113 @@
+#define _WIN32_WINNT _WIN32_WINNT_VISTA
+#define WIN32_LEAN_AND_MEAN
+#define INITGUID
+#ifdef _WIN32
+#include <windows.h>
+#include <shlobj.h>
+#include <knownfolders.h>
+#else
+#include <sys/utsname.h>
+#endif
+#include <msp/core/systemerror.h>
+#include <msp/stringcodec/utf16.h>
+#include <msp/stringcodec/utf8.h>
+#include <msp/strings/format.h>
+#include <msp/strings/utils.h>
+#include "sysutils.h"
+
+#if defined(_WIN32) && !defined(PROCESSOR_ARCHITECTURE_ARM64)
+#define PROCESSOR_ARCHITECTURE_ARM64 12
+#endif
+
+using namespace std;
+using namespace Msp;
+
+string get_system_type()
+{
+#ifdef _WIN32
+       SYSTEM_INFO sysinfo;
+       GetSystemInfo(&sysinfo);
+       WORD machine = sysinfo.wProcessorArchitecture;
+       if(machine==PROCESSOR_ARCHITECTURE_AMD64 || machine==PROCESSOR_ARCHITECTURE_INTEL)
+               return "x86-windows";
+       else if(machine==PROCESSOR_ARCHITECTURE_ARM || machine==PROCESSOR_ARCHITECTURE_ARM64)
+               return "arm-windows";
+#else
+       utsname un;
+       if(uname(&un)==0)
+               return tolower(format("%s-%s", un.sysname, un.machine));
+#endif
+
+       return string();
+}
+
+FS::Path get_program_files_x86_dir()
+{
+#ifdef _WIN32
+       wchar_t *program_files_x86_ptr = 0;
+       HRESULT err = SHGetKnownFolderPath(FOLDERID_ProgramFilesX86, 0, NULL, &program_files_x86_ptr);
+       if(err!=S_OK)
+               throw runtime_error("Can't get Program Files path");
+
+       unsigned len = wcslen(program_files_x86_ptr);
+       FS::Path program_files_x86 = StringCodec::transcode<StringCodec::Utf16Le, StringCodec::Utf8>(
+               string(reinterpret_cast<const char *>(program_files_x86_ptr), len*sizeof(wchar_t)));
+
+       CoTaskMemFree(program_files_x86_ptr);
+
+       return program_files_x86;
+#else
+       return "/mnt/c/Program Files (x86)";
+#endif
+}
+
+template<>
+string get_registry_value<string>(const string &path)
+{
+#ifdef _WIN32
+       string::size_type first_sep = path.find('\\');
+       string::size_type last_sep = path.rfind('\\');
+       string root = path.substr(0, first_sep);
+       string key_path = path.substr(first_sep+1, last_sep-first_sep-1);
+       string value_name = path.substr(last_sep+1);
+
+       HKEY root_handle;
+       if(root=="HKCR")
+               root_handle = HKEY_CLASSES_ROOT;
+       else if(root=="HKCC")
+               root_handle = HKEY_CURRENT_CONFIG;
+       else if(root=="HKCU")
+               root_handle = HKEY_CURRENT_USER;
+       else if(root=="HKLM")
+               root_handle = HKEY_LOCAL_MACHINE;
+       else if(root=="HKU")
+               root_handle = HKEY_USERS;
+       else
+               throw invalid_argument("get_registry_value");
+
+       HKEY key;
+       LSTATUS err = RegOpenKeyEx(root_handle, key_path.c_str(), 0, KEY_READ, &key);
+       if(err!=ERROR_SUCCESS)
+               throw Msp::system_error("RegOpenKey", err);
+
+       DWORD value_len;
+       err = RegGetValue(key, 0, value_name.c_str(), RRF_RT_REG_SZ, 0, 0, &value_len);
+       if(err!=ERROR_SUCCESS)
+               throw Msp::system_error("RegGetValue", err);
+
+       char *buffer = new char[value_len];
+       err = RegGetValue(key, 0, value_name.c_str(), RRF_RT_REG_SZ, 0, buffer, &value_len);
+       if(err!=ERROR_SUCCESS)
+       {
+               delete[] buffer;
+               throw Msp::system_error("RegGetValue", err);
+       }
+
+       string result(buffer);
+       delete[] buffer;
+       return result;
+#else
+       (void)path;
+       return string();
+#endif
+}