1 files changed, 406 insertions, 0 deletions

diff --git a/CPP/Windows/Registry.cpp b/CPP/Windows/Registry.cpp
new file mode 100644
index 0000000..b20157d
--- /dev/null
+++ b/CPP/Windows/Registry.cpp
@@ -0,0 +1,406 @@
+// Windows/Registry.cpp
+
+#include "StdAfx.h"
+
+#include <wchar.h>
+// #include <stdio.h>
+
+#ifndef _UNICODE
+#include "../Common/StringConvert.h"
+#endif
+#include "Registry.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+namespace NWindows {
+namespace NRegistry {
+
+#define MYASSERT(expr) // _ASSERTE(expr)
+#define MY_ASSUME(expr)
+
+/*
+static void Error()
+{
+  #ifdef _CONSOLE
+  printf("\nregistry error\n");
+  #else
+  MessageBoxW(0, L"registry error", L"", 0);
+  // exit(1);
+  #endif
+}
+
+#define MY_ASSUME(expr) { if (!(expr)) Error(); }
+*/
+
+LONG CKey::Create(HKEY parentKey, LPCTSTR keyName,
+    LPTSTR keyClass, DWORD options, REGSAM accessMask,
+    LPSECURITY_ATTRIBUTES securityAttributes, LPDWORD disposition) throw()
+{
+  MY_ASSUME(parentKey != NULL);
+  DWORD dispositionReal;
+  HKEY key = NULL;
+  LONG res = RegCreateKeyEx(parentKey, keyName, 0, keyClass,
+      options, accessMask, securityAttributes, &key, &dispositionReal);
+  if (disposition != NULL)
+    *disposition = dispositionReal;
+  if (res == ERROR_SUCCESS)
+  {
+    res = Close();
+    _object = key;
+  }
+  return res;
+}
+
+LONG CKey::Open(HKEY parentKey, LPCTSTR keyName, REGSAM accessMask) throw()
+{
+  MY_ASSUME(parentKey != NULL);
+  HKEY key = NULL;
+  LONG res = RegOpenKeyEx(parentKey, keyName, 0, accessMask, &key);
+  if (res == ERROR_SUCCESS)
+  {
+    res = Close();
+    MYASSERT(res == ERROR_SUCCESS);
+    _object = key;
+  }
+  return res;
+}
+
+LONG CKey::Close() throw()
+{
+  LONG res = ERROR_SUCCESS;
+  if (_object != NULL)
+  {
+    res = RegCloseKey(_object);
+    _object = NULL;
+  }
+  return res;
+}
+
+// win95, win98: deletes sunkey and all its subkeys
+// winNT to be deleted must not have subkeys
+LONG CKey::DeleteSubKey(LPCTSTR subKeyName) throw()
+{
+  MY_ASSUME(_object != NULL);
+  return RegDeleteKey(_object, subKeyName);
+}
+
+LONG CKey::RecurseDeleteKey(LPCTSTR subKeyName) throw()
+{
+  CKey key;
+  LONG res = key.Open(_object, subKeyName, KEY_READ | KEY_WRITE);
+  if (res != ERROR_SUCCESS)
+    return res;
+  FILETIME fileTime;
+  const UInt32 kBufSize = MAX_PATH + 1; // 256 in ATL
+  DWORD size = kBufSize;
+  TCHAR buffer[kBufSize];
+  while (RegEnumKeyEx(key._object, 0, buffer, &size, NULL, NULL, NULL, &fileTime) == ERROR_SUCCESS)
+  {
+    res = key.RecurseDeleteKey(buffer);
+    if (res != ERROR_SUCCESS)
+      return res;
+    size = kBufSize;
+  }
+  key.Close();
+  return DeleteSubKey(subKeyName);
+}
+
+
+/////////////////////////
+// Value Functions
+
+static inline UInt32 BoolToUINT32(bool value) {  return (value ? 1: 0); }
+static inline bool UINT32ToBool(UInt32 value) {  return (value != 0); }
+
+
+LONG CKey::DeleteValue(LPCTSTR name) throw()
+{
+  MY_ASSUME(_object != NULL);
+  return ::RegDeleteValue(_object, name);
+}
+
+#ifndef _UNICODE
+LONG CKey::DeleteValue(LPCWSTR name)
+{
+  MY_ASSUME(_object != NULL);
+  if (g_IsNT)
+    return ::RegDeleteValueW(_object, name);
+  return DeleteValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name));
+}
+#endif
+
+LONG CKey::SetValue(LPCTSTR name, UInt32 value) throw()
+{
+  MY_ASSUME(_object != NULL);
+  return RegSetValueEx(_object, name, 0, REG_DWORD,
+      (const BYTE *)&value, sizeof(UInt32));
+}
+
+LONG CKey::SetValue(LPCTSTR name, bool value) throw()
+{
+  return SetValue(name, BoolToUINT32(value));
+}
+
+LONG CKey::SetValue(LPCTSTR name, LPCTSTR value) throw()
+{
+  MYASSERT(value != NULL);
+  MY_ASSUME(_object != NULL);
+  return RegSetValueEx(_object, name, 0, REG_SZ,
+      (const BYTE *)value, ((DWORD)lstrlen(value) + 1) * sizeof(TCHAR));
+}
+
+/*
+LONG CKey::SetValue(LPCTSTR name, const CSysString &value)
+{
+  MYASSERT(value != NULL);
+  MY_ASSUME(_object != NULL);
+  return RegSetValueEx(_object, name, NULL, REG_SZ,
+      (const BYTE *)(const TCHAR *)value, (value.Len() + 1) * sizeof(TCHAR));
+}
+*/
+
+#ifndef _UNICODE
+
+LONG CKey::SetValue(LPCWSTR name, LPCWSTR value)
+{
+  MYASSERT(value != NULL);
+  MY_ASSUME(_object != NULL);
+  if (g_IsNT)
+    return RegSetValueExW(_object, name, 0, REG_SZ,
+      (const BYTE * )value, (DWORD)((wcslen(value) + 1) * sizeof(wchar_t)));
+  return SetValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name),
+    value == 0 ? 0 : (LPCSTR)GetSystemString(value));
+}
+
+#endif
+
+
+LONG CKey::SetValue(LPCTSTR name, const void *value, UInt32 size) throw()
+{
+  MYASSERT(value != NULL);
+  MY_ASSUME(_object != NULL);
+  return RegSetValueEx(_object, name, 0, REG_BINARY,
+      (const BYTE *)value, size);
+}
+
+LONG SetValue(HKEY parentKey, LPCTSTR keyName, LPCTSTR valueName, LPCTSTR value)
+{
+  MYASSERT(value != NULL);
+  CKey key;
+  LONG res = key.Create(parentKey, keyName);
+  if (res == ERROR_SUCCESS)
+    res = key.SetValue(valueName, value);
+  return res;
+}
+
+LONG CKey::SetKeyValue(LPCTSTR keyName, LPCTSTR valueName, LPCTSTR value) throw()
+{
+  MYASSERT(value != NULL);
+  CKey key;
+  LONG res = key.Create(_object, keyName);
+  if (res == ERROR_SUCCESS)
+    res = key.SetValue(valueName, value);
+  return res;
+}
+
+LONG CKey::QueryValue(LPCTSTR name, UInt32 &value) throw()
+{
+  DWORD type = 0;
+  DWORD count = sizeof(DWORD);
+  LONG res = RegQueryValueEx(_object, name, NULL, &type,
+    (LPBYTE)&value, &count);
+  MYASSERT((res != ERROR_SUCCESS) || (type == REG_DWORD));
+  MYASSERT((res != ERROR_SUCCESS) || (count == sizeof(UInt32)));
+  return res;
+}
+
+LONG CKey::QueryValue(LPCTSTR name, bool &value) throw()
+{
+  UInt32 uintValue = BoolToUINT32(value);
+  LONG res = QueryValue(name, uintValue);
+  value = UINT32ToBool(uintValue);
+  return res;
+}
+
+LONG CKey::GetValue_IfOk(LPCTSTR name, UInt32 &value) throw()
+{
+  UInt32 newVal;
+  LONG res = QueryValue(name, newVal);
+  if (res == ERROR_SUCCESS)
+    value = newVal;
+  return res;
+}
+
+LONG CKey::GetValue_IfOk(LPCTSTR name, bool &value) throw()
+{
+  bool newVal = false;
+  LONG res = QueryValue(name, newVal);
+  if (res == ERROR_SUCCESS)
+    value = newVal;
+  return res;
+}
+
+LONG CKey::QueryValue(LPCTSTR name, LPTSTR value, UInt32 &count) throw()
+{
+  DWORD type = 0;
+  LONG res = RegQueryValueEx(_object, name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
+  MYASSERT((res != ERROR_SUCCESS) || (type == REG_SZ) || (type == REG_MULTI_SZ) || (type == REG_EXPAND_SZ));
+  return res;
+}
+
+LONG CKey::QueryValue(LPCTSTR name, CSysString &value)
+{
+  value.Empty();
+  DWORD type = 0;
+  UInt32 curSize = 0;
+  LONG res = RegQueryValueEx(_object, name, NULL, &type, NULL, (DWORD *)&curSize);
+  if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
+    return res;
+  UInt32 curSize2 = curSize;
+  res = QueryValue(name, value.GetBuf(curSize), curSize2);
+  if (curSize > curSize2)
+    curSize = curSize2;
+  value.ReleaseBuf_CalcLen(curSize / sizeof(TCHAR));
+  return res;
+}
+
+
+#ifndef _UNICODE
+
+LONG CKey::QueryValue(LPCWSTR name, LPWSTR value, UInt32 &count)
+{
+  DWORD type = 0;
+  LONG res = RegQueryValueExW(_object, name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
+  MYASSERT((res != ERROR_SUCCESS) || (type == REG_SZ) || (type == REG_MULTI_SZ) || (type == REG_EXPAND_SZ));
+  return res;
+}
+
+LONG CKey::QueryValue(LPCWSTR name, UString &value)
+{
+  value.Empty();
+  DWORD type = 0;
+  UInt32 curSize = 0;
+
+  LONG res;
+
+  if (g_IsNT)
+  {
+    res = RegQueryValueExW(_object, name, NULL, &type, NULL, (DWORD *)&curSize);
+    if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
+      return res;
+    UInt32 curSize2 = curSize;
+    res = QueryValue(name, value.GetBuf(curSize), curSize2);
+    if (curSize > curSize2)
+      curSize = curSize2;
+    value.ReleaseBuf_CalcLen(curSize / sizeof(wchar_t));
+  }
+  else
+  {
+    AString vTemp;
+    res = QueryValue(name == 0 ? 0 : (LPCSTR)GetSystemString(name), vTemp);
+    value = GetUnicodeString(vTemp);
+  }
+  
+  return res;
+}
+
+#endif
+
+
+LONG CKey::QueryValue(LPCTSTR name, void *value, UInt32 &count) throw()
+{
+  DWORD type = 0;
+  LONG res = RegQueryValueEx(_object, name, NULL, &type, (LPBYTE)value, (DWORD *)&count);
+  MYASSERT((res != ERROR_SUCCESS) || (type == REG_BINARY));
+  return res;
+}
+
+
+LONG CKey::QueryValue(LPCTSTR name, CByteBuffer &value, UInt32 &dataSize)
+{
+  DWORD type = 0;
+  dataSize = 0;
+  LONG res = RegQueryValueEx(_object, name, NULL, &type, NULL, (DWORD *)&dataSize);
+  if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA)
+    return res;
+  value.Alloc(dataSize);
+  return QueryValue(name, (BYTE *)value, dataSize);
+}
+
+LONG CKey::EnumKeys(CSysStringVector &keyNames)
+{
+  keyNames.Clear();
+  CSysString keyName;
+  for (DWORD index = 0; ; index++)
+  {
+    const unsigned kBufSize = MAX_PATH + 1; // 256 in ATL
+    FILETIME lastWriteTime;
+    UInt32 nameSize = kBufSize;
+    LONG result = ::RegEnumKeyEx(_object, index, keyName.GetBuf(kBufSize),
+        (DWORD *)&nameSize, NULL, NULL, NULL, &lastWriteTime);
+    keyName.ReleaseBuf_CalcLen(kBufSize);
+    if (result == ERROR_NO_MORE_ITEMS)
+      break;
+    if (result != ERROR_SUCCESS)
+      return result;
+    keyNames.Add(keyName);
+  }
+  return ERROR_SUCCESS;
+}
+
+LONG CKey::SetValue_Strings(LPCTSTR valueName, const UStringVector &strings)
+{
+  size_t numChars = 0;
+  
+  unsigned i;
+  
+  for (i = 0; i < strings.Size(); i++)
+    numChars += strings[i].Len() + 1;
+  
+  CObjArray<wchar_t> buffer(numChars);
+  size_t pos = 0;
+  
+  for (i = 0; i < strings.Size(); i++)
+  {
+    const UString &s = strings[i];
+    size_t size = s.Len() + 1;
+    wmemcpy(buffer + pos, s, size);
+    pos += size;
+  }
+  return SetValue(valueName, buffer, (UInt32)numChars * sizeof(wchar_t));
+}
+
+LONG CKey::GetValue_Strings(LPCTSTR valueName, UStringVector &strings)
+{
+  strings.Clear();
+  CByteBuffer buffer;
+  UInt32 dataSize = 0;
+  LONG res = QueryValue(valueName, buffer, dataSize);
+  if (res != ERROR_SUCCESS)
+    return res;
+  if (dataSize > buffer.Size())
+    return E_FAIL;
+  if (dataSize % sizeof(wchar_t) != 0)
+    return E_FAIL;
+
+  const wchar_t *data = (const wchar_t *)(const void *)(const Byte  *)buffer;
+  size_t numChars = dataSize / sizeof(wchar_t);
+  size_t prev = 0;
+  UString s;
+  
+  for (size_t i = 0; i < numChars; i++)
+  {
+    if (data[i] == 0)
+    {
+      s = data + prev;
+      strings.Add(s);
+      prev = i + 1;
+    }
+  }
+  
+  return res;
+}
+
+}}