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Overview
| Comment: | Adjustments to the native library pre-loading logic for the .NET Compact Framework. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | refactorNativeLibraryPreLoader |
| Files: | files | file ages | folders |
| SHA1: |
e90af0978f10d8bfddbe349680cdd1f7 |
| User & Date: | mistachkin 2013-12-27 08:36:14 |
Context
|
2013-12-27
| ||
| 11:02 | Modify the native library pre-loader to optionally support searching for the SQLite native library in more than one location. Bump all versions to 1.0.91.0. Update version history docs. check-in: ae2e6767b5 user: mistachkin tags: refactorNativeLibraryPreLoader | |
| 08:36 | Adjustments to the native library pre-loading logic for the .NET Compact Framework. check-in: e90af0978f user: mistachkin tags: refactorNativeLibraryPreLoader | |
| 07:41 | Update the Eagle core script library and test suite infrastructure to better support testing the native library pre-loading code. check-in: 9e3b23cb78 user: mistachkin tags: refactorNativeLibraryPreLoader | |
Changes
Changes to System.Data.SQLite/UnsafeNativeMethods.cs.
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/// specified by <paramref name="default" /> if it has not been set
/// explicitly or cannot be determined. By default, all references to
/// existing environment will be expanded within the value to be returned
/// unless either the "No_Expand" or "No_Expand_<paramref name="name" />"
/// environment variables are set [to anything].
/// </returns>
internal static string GetSettingValue(
string name,
string @default
)
{
if (name == null)
return @default;
string value = null;
................................................................................
/// The original dynamic link library file name to inspect.
/// </param>
/// <returns>
/// The dynamic link library file name, possibly modified to include an
/// extension.
/// </returns>
private static string FixUpDllFileName(
string fileName
)
{
if (!String.IsNullOrEmpty(fileName))
{
PlatformID platformId = Environment.OSVersion.Platform;
if ((platformId == PlatformID.Win32S) ||
................................................................................
}
catch
{
// do nothing.
}
#endif
}
#endif
/////////////////////////////////////////////////////////////////////
#if PLATFORM_COMPACTFRAMEWORK
//
// NOTE: On the .NET Compact Framework, attempt to use the native
// Win32 API function (via P/Invoke) that can provide us with
// the processor architecture.
//
try
{
//
// NOTE: The output of the GetSystemInfo function will be placed
// here. Only the processor architecture field is used by
// this method.
//
SYSTEM_INFO systemInfo;
//
// NOTE: Query the system information via P/Invoke, thus filling
// the structure.
//
GetSystemInfo(out systemInfo);
//
// NOTE: Return the processor architecture value as a string.
//
processorArchitecture =
systemInfo.wProcessorArchitecture.ToString();
}
catch
{
// do nothing.
}
//
// NOTE: Upon failure, return an empty string.
//
processorArchitecture = String.Empty;
#endif
return processorArchitecture;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// Given the processor architecture, returns the name of the platform.
................................................................................
/// The processor architecture to be translated to a platform name.
/// </param>
/// <returns>
/// The platform name for the specified processor architecture -OR- null
/// if it cannot be determined.
/// </returns>
private static string GetPlatformName(
string processorArchitecture
)
{
if (String.IsNullOrEmpty(processorArchitecture))
return null;
lock (staticSyncRoot)
{
................................................................................
/// LoadLibrary fails.
/// </param>
/// <returns>
/// Non-zero if the native module was loaded successfully; otherwise,
/// zero.
/// </returns>
private static bool PreLoadSQLiteDll(
string directory,
string processorArchitecture,
ref string nativeModuleFileName,
ref IntPtr nativeModuleHandle
)
{
//
// NOTE: If the specified base directory is null, use the default
// (i.e. attempt to automatically detect it).
//
if (directory == null)
|
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/// specified by <paramref name="default" /> if it has not been set
/// explicitly or cannot be determined. By default, all references to
/// existing environment will be expanded within the value to be returned
/// unless either the "No_Expand" or "No_Expand_<paramref name="name" />"
/// environment variables are set [to anything].
/// </returns>
internal static string GetSettingValue(
string name, /* in */
string @default /* in */
)
{
if (name == null)
return @default;
string value = null;
................................................................................
/// The original dynamic link library file name to inspect.
/// </param>
/// <returns>
/// The dynamic link library file name, possibly modified to include an
/// extension.
/// </returns>
private static string FixUpDllFileName(
string fileName /* in */
)
{
if (!String.IsNullOrEmpty(fileName))
{
PlatformID platformId = Environment.OSVersion.Platform;
if ((platformId == PlatformID.Win32S) ||
................................................................................
}
catch
{
// do nothing.
}
#endif
}
#else
if (processorArchitecture == null)
{
//
// NOTE: On the .NET Compact Framework, attempt to use the native
// Win32 API function (via P/Invoke) that can provide us
// with the processor architecture.
//
try
{
//
// NOTE: The output of the GetSystemInfo function will be
// placed here. Only the processor architecture field
// is used by this method.
//
SYSTEM_INFO systemInfo;
//
// NOTE: Query the system information via P/Invoke, thus
// filling the structure.
//
GetSystemInfo(out systemInfo);
//
// NOTE: Return the processor architecture value as a string.
//
processorArchitecture =
systemInfo.wProcessorArchitecture.ToString();
}
catch
{
// do nothing.
}
//
// NOTE: Upon failure, return an empty string. This will prevent
// the calling method from considering this method call a
// "failure".
//
processorArchitecture = String.Empty;
}
#endif
/////////////////////////////////////////////////////////////////////
return processorArchitecture;
}
/////////////////////////////////////////////////////////////////////////
/// <summary>
/// Given the processor architecture, returns the name of the platform.
................................................................................
/// The processor architecture to be translated to a platform name.
/// </param>
/// <returns>
/// The platform name for the specified processor architecture -OR- null
/// if it cannot be determined.
/// </returns>
private static string GetPlatformName(
string processorArchitecture /* in */
)
{
if (String.IsNullOrEmpty(processorArchitecture))
return null;
lock (staticSyncRoot)
{
................................................................................
/// LoadLibrary fails.
/// </param>
/// <returns>
/// Non-zero if the native module was loaded successfully; otherwise,
/// zero.
/// </returns>
private static bool PreLoadSQLiteDll(
string directory, /* in */
string processorArchitecture, /* in */
ref string nativeModuleFileName, /* out */
ref IntPtr nativeModuleHandle /* out */
)
{
//
// NOTE: If the specified base directory is null, use the default
// (i.e. attempt to automatically detect it).
//
if (directory == null)
|