public IBootstrapperApplication Create(IBootstrapperEngine pEngine, ref Command command)
{
IEngine engine = new Engine(pEngine);
IBootstrapperCommand bootstrapperCommand = command.GetBootstrapperCommand();
return(this.Create(engine, bootstrapperCommand));
}
/// <summary>
/// Loads the bootstrapper application assembly and creates an instance of the IBootstrapperApplication.
/// </summary>
/// <param name="pEngine">IBootstrapperEngine provided for the bootstrapper application.</param>
/// <param name="command">Command line for the bootstrapper application.</param>
/// <returns>Bootstrapper application via <see cref="IBootstrapperApplication"/> interface.</returns>
/// <exception cref="MissingAttributeException">The bootstrapper application assembly
/// does not define the <see cref="BootstrapperApplicationAttribute"/>.</exception>
public IBootstrapperApplication Create(IBootstrapperEngine pEngine, ref Command command)
{
// Get the wix.boostrapper section group to get the name of the bootstrapper application assembly to host.
HostSection section = ConfigurationManager.GetSection("wix.bootstrapper/host") as HostSection;
if (null == section)
{
throw new MissingAttributeException(); // TODO: throw a more specific exception than this.
}
// Load the BA and make sure it extends BootstrapperApplication.
Type baType = BootstrapperApplicationFactory.GetBootstrapperApplicationTypeFromAssembly(section.AssemblyName);
BootstrapperApplication ba = Activator.CreateInstance(baType) as BootstrapperApplication;
if (null == ba)
{
throw new InvalidBootstrapperApplicationException();
}
ba.Engine = new Engine(pEngine);
ba.Command = command;
return ba;
}
/// <summary>
/// Loads the bootstrapper application assembly and creates an instance of the IBootstrapperApplication.
/// </summary>
/// <param name="pEngine">IBootstrapperEngine provided for the bootstrapper application.</param>
/// <param name="command">Command line for the bootstrapper application.</param>
/// <returns>Bootstrapper application via <see cref="IBootstrapperApplication"/> interface.</returns>
/// <exception cref="MissingAttributeException">The bootstrapper application assembly
/// does not define the <see cref="BootstrapperApplicationAttribute"/>.</exception>
public IBootstrapperApplication Create(IBootstrapperEngine pEngine, ref Command command)
{
// Get the wix.boostrapper section group to get the name of the bootstrapper application assembly to host.
HostSection section = ConfigurationManager.GetSection("wix.bootstrapper/host") as HostSection;
if (null == section)
{
throw new MissingAttributeException(); // TODO: throw a more specific exception than this.
}
// Load the BA and make sure it extends BootstrapperApplication.
Type baType = BootstrapperApplicationFactory.GetBootstrapperApplicationTypeFromAssembly(section.AssemblyName);
BootstrapperApplication ba = Activator.CreateInstance(baType) as BootstrapperApplication;
if (null == ba)
{
throw new InvalidBootstrapperApplicationException();
}
ba.Engine = new Engine(pEngine);
ba.Command = command;
return(ba);
}
/// <summary>
/// Loads the bootstrapper application assembly and creates an instance of the IBootstrapperApplication.
/// </summary>
/// <param name="pEngine">IBootstrapperEngine provided for the bootstrapper application.</param>
/// <param name="command">Command line for the bootstrapper application.</param>
/// <returns>Bootstrapper application via <see cref="IBootstrapperApplication"/> interface.</returns>
/// <exception cref="MissingAttributeException">The bootstrapper application assembly
/// does not define the <see cref="BootstrapperApplicationFactoryAttribute"/>.</exception>
public IBootstrapperApplication Create(IBootstrapperEngine pEngine, ref Command command)
{
// Get the wix.boostrapper section group to get the name of the bootstrapper application assembly to host.
var section = ConfigurationManager.GetSection("wix.bootstrapper/host") as HostSection;
if (null == section)
{
throw new MissingAttributeException(); // TODO: throw a more specific exception than this.
}
// Load the BA's IBootstrapperApplicationFactory.
var baFactoryType = BootstrapperApplicationFactory.GetBAFactoryTypeFromAssembly(section.AssemblyName);
var baFactory = (IBootstrapperApplicationFactory)Activator.CreateInstance(baFactoryType);
if (null == baFactory)
{
throw new InvalidBootstrapperApplicationFactoryException();
}
var ba = baFactory.Create(pEngine, ref command);
return(ba);
}
internal static extern bool BalVariableExistsFromEngine(
[MarshalAs(UnmanagedType.Interface)] IBootstrapperEngine pEngine,
[MarshalAs(UnmanagedType.LPWStr)] string wzVariable
);
internal static extern int BalGetVersionVariableFromEngine(
[MarshalAs(UnmanagedType.Interface)] IBootstrapperEngine pEngine,
[MarshalAs(UnmanagedType.LPWStr)] string wzVariable,
ref StrUtil.StrHandle psczOut
);
internal static extern int BalFormatStringFromEngine(
[MarshalAs(UnmanagedType.Interface)] IBootstrapperEngine pEngine,
[MarshalAs(UnmanagedType.LPWStr)] string wzFormat,
ref StrUtil.StrHandle psczOut
);
/// <summary>
/// Creates a new instance of the <see cref="Engine"/> container class.
/// </summary>
/// <param name="engine">The <see cref="IBootstrapperEngine"/> to contain.</param>
internal Engine(IBootstrapperEngine engine)
{
this.engine = engine;
// Wrap the calls to get and set numeric variables.
this.numericVariables = new Variables <long>(
delegate(string name)
{
long value;
int ret = this.engine.GetVariableNumeric(name, out value);
if (NativeMethods.S_OK != ret)
{
throw new Win32Exception(ret);
}
return(value);
},
delegate(string name, long value)
{
this.engine.SetVariableNumeric(name, value);
},
delegate(string name)
{
long value;
int ret = this.engine.GetVariableNumeric(name, out value);
return(NativeMethods.E_NOTFOUND != ret);
}
);
// Wrap the calls to get and set string variables using SecureStrings.
this.secureStringVariables = new Variables <SecureString>(
delegate(string name)
{
int length;
IntPtr pUniString = getStringVariable(name, out length);
try
{
return(convertToSecureString(pUniString, length));
}
finally
{
if (IntPtr.Zero != pUniString)
{
Marshal.FreeCoTaskMem(pUniString);
}
}
},
delegate(string name, SecureString value)
{
IntPtr pValue = Marshal.SecureStringToCoTaskMemUnicode(value);
try
{
this.engine.SetVariableString(name, pValue);
}
finally
{
Marshal.FreeCoTaskMem(pValue);
}
},
delegate(string name)
{
return(containsVariable(name));
}
);
// Wrap the calls to get and set string variables.
this.stringVariables = new Variables <string>(
delegate(string name)
{
int length;
IntPtr pUniString = getStringVariable(name, out length);
try
{
return(Marshal.PtrToStringUni(pUniString, length));
}
finally
{
if (IntPtr.Zero != pUniString)
{
Marshal.FreeCoTaskMem(pUniString);
}
}
},
delegate(string name, string value)
{
IntPtr pValue = Marshal.StringToCoTaskMemUni(value);
try
{
this.engine.SetVariableString(name, pValue);
}
finally
{
Marshal.FreeCoTaskMem(pValue);
}
},
delegate(string name)
{
return(containsVariable(name));
}
);
// Wrap the calls to get and set version variables.
this.versionVariables = new Variables <Version>(
delegate(string name)
{
long value;
int ret = this.engine.GetVariableVersion(name, out value);
if (NativeMethods.S_OK != ret)
{
throw new Win32Exception(ret);
}
return(LongToVersion(value));
},
delegate(string name, Version value)
{
long version = VersionToLong(value);
this.engine.SetVariableVersion(name, version);
},
delegate(string name)
{
long value;
int ret = this.engine.GetVariableVersion(name, out value);
return(NativeMethods.E_NOTFOUND != ret);
}
);
}
/// <summary>
/// Creates a new instance of the <see cref="Engine"/> container class.
/// </summary>
/// <param name="engine">The <see cref="IBootstrapperEngine"/> to contain.</param>
internal Engine(IBootstrapperEngine engine)
{
this.engine = engine;
// Wrap the calls to get and set numeric variables.
this.numericVariables = new Variables <long>(
delegate(string name)
{
long value;
int ret = this.engine.GetVariableNumeric(name, out value);
if (NativeMethods.S_OK != ret)
{
throw new Win32Exception(ret);
}
return(value);
},
delegate(string name, long value)
{
this.engine.SetVariableNumeric(name, value);
},
delegate(string name)
{
long value;
int ret = this.engine.GetVariableNumeric(name, out value);
return(NativeMethods.E_NOTFOUND != ret);
}
);
// Wrap the calls to get and set string variables.
this.stringVariables = new Variables <string>(
delegate(string name)
{
int capacity = InitialBufferSize;
StringBuilder sb = new StringBuilder(capacity);
// Get the size of the buffer.
int ret = this.engine.GetVariableString(name, sb, ref capacity);
if (NativeMethods.E_INSUFFICIENT_BUFFER == ret || NativeMethods.E_MOREDATA == ret)
{
sb.Capacity = ++capacity; // Add one for the null terminator.
ret = this.engine.GetVariableString(name, sb, ref capacity);
}
if (NativeMethods.S_OK != ret)
{
throw new Win32Exception(ret);
}
return(sb.ToString());
},
delegate(string name, string value)
{
this.engine.SetVariableString(name, value);
},
delegate(string name)
{
int capacity = InitialBufferSize;
StringBuilder sb = new StringBuilder(capacity);
int ret = this.engine.GetVariableString(name, sb, ref capacity);
return(NativeMethods.E_NOTFOUND != ret);
}
);
// Wrap the calls to get and set version variables.
this.versionVariables = new Variables <Version>(
delegate(string name)
{
long value;
int ret = this.engine.GetVariableVersion(name, out value);
if (NativeMethods.S_OK != ret)
{
throw new Win32Exception(ret);
}
int major = (int)((value & ((long)0xffff << 48)) >> 48);
int minor = (int)((value & ((long)0xffff << 32)) >> 32);
int build = (int)((value & ((long)0xffff << 16)) >> 16);
int revision = (int)(value & 0xffff);
return(new Version(major, minor, build, revision));
},
delegate(string name, Version value)
{
// In Windows, each version component has a max value of 65535,
// so we truncate the version before shifting it, which will overflow if invalid.
long major = (long)(ushort)value.Major << 48;
long minor = (long)(ushort)value.Minor << 32;
long build = (long)(ushort)value.Build << 16;
long revision = (long)(ushort)value.Revision;
long version = major | minor | build | revision;
this.engine.SetVariableVersion(name, version);
},
delegate(string name)
{
long value;
int ret = this.engine.GetVariableVersion(name, out value);
return(NativeMethods.E_NOTFOUND != ret);
}
);
}
