/// <summary>
/// Scans a given <see cref="Type" /> for filters.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Filter" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForFilters(Type type, Task task)
{
try {
ElementNameAttribute elementNameAttribute = (ElementNameAttribute)
Attribute.GetCustomAttribute(type, typeof(ElementNameAttribute));
if (type.IsSubclassOf(typeof(Filter)) && !type.IsAbstract && elementNameAttribute != null)
{
task.Log(Level.Debug, "Creating FilterBuilder for \"{0}\".",
type.Name);
FilterBuilder builder = new FilterBuilder(type.FullName, type.Assembly.Location);
if (FilterBuilders[builder.FilterName] == null)
{
FilterBuilders.Add(builder);
task.Log(Level.Debug, "Adding filter \"{0}\" from {1}:{2}.",
builder.FilterName, builder.AssemblyFileName,
builder.ClassName);
}
// specified type represents a filter
return(true);
}
// specified type does not represent a valid filter
return(false);
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for filters.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for tasks.
/// </summary>
/// <param name="extensionAssembly">The <see cref="ExtensionAssembly" /> containing the <see cref="Type" /> to scan.</param>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Task" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForTasks(ExtensionAssembly extensionAssembly, Type type, Task task) {
try {
TaskNameAttribute taskNameAttribute = (TaskNameAttribute)
Attribute.GetCustomAttribute(type, typeof(TaskNameAttribute));
if (type.IsSubclassOf(typeof(Task)) && !type.IsAbstract && taskNameAttribute != null) {
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_CreatingTaskBuilder"),
type.Name));
TaskBuilder tb = new TaskBuilder(extensionAssembly, type.FullName);
if (TaskBuilders[tb.TaskName] == null) {
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_AddingTask"), tb.TaskName,
GetAssemblyLocation(tb.Assembly), tb.ClassName));
TaskBuilders.Add(tb);
}
// specified type represents a task
return true;
} else {
// specified type does not represent valid task
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for tasks.",
type.AssemblyQualifiedName);
throw;
}
}
public static void ScanDir(string path, Task task, bool failOnError)
{
// don't do anything if we don't have a valid directory path
if (StringUtils.IsNullOrEmpty(path))
{
return;
}
task.Log(Level.Info, "Scanning directory \"{0}\" for extension"
+ " assemblies.", path);
// scan all dll's for tasks, types and functions
DirectoryScanner scanner = new DirectoryScanner();
scanner.BaseDirectory = new DirectoryInfo(path);
scanner.Includes.Add("*.dll");
foreach (string assemblyFile in scanner.FileNames)
{
try {
TypeFactory.ScanAssembly(assemblyFile, task);
} catch (Exception ex) {
if (failOnError)
{
throw;
}
task.Log(Level.Error, "Failure scanning \"{0}\" for extensions: {1}",
assemblyFile, ex.Message);
}
}
}
public static void ScanDir(string path, Task task, bool failOnError)
{
// don't do anything if we don't have a valid directory path
if (String.IsNullOrEmpty(path))
{
return;
}
task.Log(Level.Info, "Scanning directory \"{0}\" for extension"
+ " assemblies.", path);
// scan all dll's for tasks, types and functions
DirectoryScanner scanner = new DirectoryScanner();
scanner.BaseDirectory = new DirectoryInfo(path);
scanner.Includes.Add("*.dll");
foreach (string assemblyFile in scanner.FileNames)
{
try {
TypeFactory.ScanAssembly(assemblyFile, task);
} catch (Exception ex) {
string msg = string.Format(CultureInfo.InvariantCulture,
"Failure scanning \"{0}\" for extensions", assemblyFile);
if (failOnError)
{
throw new BuildException(msg + ".",
Location.UnknownLocation, ex);
}
task.Log(Level.Error, msg + ": " + assemblyFile, ex.Message);
}
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for tasks.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Task" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForTasks(Type type, Task task)
{
try {
TaskNameAttribute taskNameAttribute = (TaskNameAttribute)
Attribute.GetCustomAttribute(type, typeof(TaskNameAttribute));
if (type.IsSubclassOf(typeof(Task)) && !type.IsAbstract && taskNameAttribute != null)
{
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_CreatingTaskBuilder"),
type.Name));
TaskBuilder tb = new TaskBuilder(type.Assembly, type.FullName);
if (TaskBuilders[tb.TaskName] == null)
{
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_AddingTask"), tb.TaskName,
GetAssemblyLocation(tb.Assembly), tb.ClassName));
TaskBuilders.Add(tb);
foreach (WeakReference wr in _projects)
{
if (!wr.IsAlive)
{
task.Log(Level.Debug, "WeakReference for project is dead.");
continue;
}
Project p = wr.Target as Project;
if (p == null)
{
task.Log(Level.Debug, "WeakReference is not a"
+ " project! This should not be possible.");
continue;
}
UpdateProjectWithBuilder(p, tb);
}
}
// specified type represents a task
return(true);
}
else
{
// specified type does not represent valid task
return(false);
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for tasks.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for functions.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// valid set of funtions; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForFunctions(Type type, Task task) {
try {
FunctionSetAttribute functionSetAttribute = (FunctionSetAttribute)
Attribute.GetCustomAttribute(type, typeof(FunctionSetAttribute));
if (functionSetAttribute == null) {
// specified type does not represent a valid functionset
return false;
}
bool acceptType = (type == typeof(ExpressionEvaluator));
if (type.IsSubclassOf(typeof(FunctionSetBase)) && !type.IsAbstract) {
acceptType = true;
}
if (acceptType) {
string prefix = functionSetAttribute.Prefix;
if (prefix != null && prefix != String.Empty) {
prefix += "::";
} else {
task.Log(Level.Warning, "Ignoring functions in type \"{0}\":"
+ " no prefix was set.", type.AssemblyQualifiedName);
// specified type does not represent a valid functionset
return false;
}
//
// add public static/instance methods
//
foreach (MethodInfo info in type.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)) {
FunctionAttribute functionAttribute = (FunctionAttribute)
Attribute.GetCustomAttribute(info, typeof(FunctionAttribute));
if (functionAttribute != null)
RegisterFunction(prefix + functionAttribute.Name, info);
}
// specified type represents a valid functionset
return true;
} else {
// specified type does not represent a valid functionset
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for functions.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for data type.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// data type; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForDataTypes(Type type, Task task)
{
try {
ElementNameAttribute elementNameAttribute = (ElementNameAttribute)
Attribute.GetCustomAttribute(type, typeof(ElementNameAttribute));
if (type.IsSubclassOf(typeof(DataTypeBase)) && !type.IsAbstract && elementNameAttribute != null)
{
logger.Info(string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_CreatingDataTypeBaseBuilder"), type.Name));
DataTypeBaseBuilder dtb = new DataTypeBaseBuilder(type.FullName, type.Assembly.Location);
if (DataTypeBuilders[dtb.DataTypeName] == null)
{
logger.Debug(string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_AddingDataType"), dtb.DataTypeName,
dtb.AssemblyFileName, dtb.ClassName));
DataTypeBuilders.Add(dtb);
}
// specified type represents a data type
return(true);
}
else
{
// specified type does not represent valid data type
return(false);
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for data types.",
type.AssemblyQualifiedName);
throw;
}
}
public static bool ScanAssembly(Assembly assembly, Task task)
{
task.Log(Level.Info, "Scanning assembly \"{0}\" for extensions.",
assembly.GetName().Name);
bool extensionAssembly = false;
foreach (Type type in assembly.GetTypes())
{
//
// each extension type is exclusive, meaning a given type
// cannot be both a task and data type
//
// so it doesn't make sense to scan a type for, for example,
// data types if the type has already been positively
// identified as a task
//
bool extensionFound = ScanTypeForTasks(type, task);
if (!extensionFound)
{
extensionFound = ScanTypeForDataTypes(type, task);
}
if (!extensionFound)
{
extensionFound = ScanTypeForFunctions(type, task);
}
if (!extensionFound)
{
extensionFound = ScanTypeForFilters(type, task);
}
// if extension is found in type, then mark assembly as
// extension assembly
extensionAssembly = extensionAssembly || extensionFound;
}
// if no extension could be found at all, then we might be dealing
// with an extension assembly that was built using an older version
// of NAnt(.Core)
if (!extensionAssembly)
{
AssemblyName coreAssemblyName = Assembly.GetExecutingAssembly().
GetName(false);
foreach (AssemblyName assemblyName in assembly.GetReferencedAssemblies())
{
if (assemblyName.Name == coreAssemblyName.Name)
{
// the given assembly references NAnt.Core, so check whether
// it doesn't reference an older version of NAnt.Core
if (assemblyName.Version != coreAssemblyName.Version)
{
task.Log(Level.Warning, "Assembly \"{0}\" is built"
+ " using version {1} of NAnt. If any problems"
+ " arise, then try using a version that is built"
+ " for NAnt version {2}.", assembly.GetName().Name,
assemblyName.Version, coreAssemblyName.Version);
}
}
}
}
return(extensionAssembly);
}
/// <summary>
/// Scans a given <see cref="Type" /> for tasks.
/// </summary>
/// <param name="extensionAssembly">The <see cref="ExtensionAssembly" /> containing the <see cref="Type" /> to scan.</param>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Task" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForTasks(ExtensionAssembly extensionAssembly, Type type, Task task)
{
try {
TaskNameAttribute taskNameAttribute = (TaskNameAttribute)
Attribute.GetCustomAttribute(type, typeof(TaskNameAttribute));
if (type.IsSubclassOf(typeof(Task)) && !type.IsAbstract && taskNameAttribute != null) {
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_CreatingTaskBuilder"),
type.Name));
TaskBuilder tb = new TaskBuilder(extensionAssembly, type.FullName);
if (TaskBuilders[tb.TaskName] == null) {
task.Log(Level.Debug, string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_AddingTask"), tb.TaskName,
GetAssemblyLocation(tb.Assembly), tb.ClassName));
TaskBuilders.Add(tb);
}
// specified type represents a task
return true;
} else {
// specified type does not represent valid task
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for tasks.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for functions.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// valid set of funtions; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForFunctions(Type type, Task task)
{
try {
FunctionSetAttribute functionSetAttribute = (FunctionSetAttribute)
Attribute.GetCustomAttribute(type, typeof(FunctionSetAttribute));
if (functionSetAttribute == null) {
// specified type does not represent a valid functionset
return false;
}
bool acceptType = (type == typeof(ExpressionEvaluator));
if (type.IsSubclassOf(typeof(FunctionSetBase)) && !type.IsAbstract) {
acceptType = true;
}
if (acceptType) {
string prefix = functionSetAttribute.Prefix;
if (prefix != null && prefix != String.Empty) {
prefix += "::";
} else {
task.Log(Level.Warning, "Ignoring functions in type \"{0}\":"
+ " no prefix was set.", type.AssemblyQualifiedName);
// specified type does not represent a valid functionset
return false;
}
//
// add public static/instance methods
//
foreach (MethodInfo info in type.GetMethods(BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static)) {
FunctionAttribute functionAttribute = (FunctionAttribute)
Attribute.GetCustomAttribute(info, typeof(FunctionAttribute));
if (functionAttribute != null)
RegisterFunction(prefix + functionAttribute.Name, info);
}
// specified type represents a valid functionset
return true;
} else {
// specified type does not represent a valid functionset
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for functions.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for filters.
/// </summary>
/// <param name="extensionAssembly">The <see cref="ExtensionAssembly" /> containing the <see cref="Type" /> to scan.</param>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Filter" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForFilters(ExtensionAssembly extensionAssembly, Type type, Task task)
{
try {
ElementNameAttribute elementNameAttribute = (ElementNameAttribute)
Attribute.GetCustomAttribute(type, typeof(ElementNameAttribute));
if (type.IsSubclassOf(typeof(Filter)) && !type.IsAbstract && elementNameAttribute != null) {
task.Log(Level.Debug, "Creating FilterBuilder for \"{0}\".",
type.Name);
FilterBuilder builder = new FilterBuilder(extensionAssembly, type.FullName);
if (FilterBuilders[builder.FilterName] == null) {
FilterBuilders.Add(builder);
task.Log(Level.Debug, "Adding filter \"{0}\" from {1}:{2}.",
builder.FilterName, GetAssemblyLocation(builder.Assembly),
builder.ClassName);
}
// specified type represents a filter
return true;
}
// specified type does not represent a valid filter
return false;
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for filters.",
type.AssemblyQualifiedName);
throw;
}
}
/// <summary>
/// Scans a given <see cref="Type" /> for data type.
/// </summary>
/// <param name="extensionAssembly">The <see cref="ExtensionAssembly" /> containing the <see cref="Type" /> to scan.</param>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// data type; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForDataTypes(ExtensionAssembly extensionAssembly, Type type, Task task)
{
try {
ElementNameAttribute elementNameAttribute = (ElementNameAttribute)
Attribute.GetCustomAttribute(type, typeof(ElementNameAttribute));
if (type.IsSubclassOf(typeof(DataTypeBase)) && !type.IsAbstract && elementNameAttribute != null) {
logger.Info(string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_CreatingDataTypeBaseBuilder"), type.Name));
DataTypeBaseBuilder dtb = new DataTypeBaseBuilder(extensionAssembly, type.FullName);
if (DataTypeBuilders[dtb.DataTypeName] == null) {
logger.Debug(string.Format(CultureInfo.InvariantCulture,
ResourceUtils.GetString("String_AddingDataType"), dtb.DataTypeName,
GetAssemblyLocation(dtb.Assembly), dtb.ClassName));
DataTypeBuilders.Add(dtb);
}
// specified type represents a data type
return true;
} else {
// specified type does not represent valid data type
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for data types.",
type.AssemblyQualifiedName);
throw;
}
}
void eventSource_WarningRaised(object sender, BuildWarningEventArgs e)
{
m_task.Log(Level.Warning, e.Message);
}
/// <summary>
/// Scans a given <see cref="Type" /> for tasks.
/// </summary>
/// <param name="type">The <see cref="Type" /> to scan.</param>
/// <param name="task">The <see cref="Task" /> which will be used to output messages to the build log.</param>
/// <returns>
/// <see langword="true" /> if <paramref name="type" /> represents a
/// <see cref="Task" />; otherwise, <see langword="false" />.
/// </returns>
private static bool ScanTypeForTasks(Type type, Task task)
{
try {
TaskNameAttribute taskNameAttribute = (TaskNameAttribute)
Attribute.GetCustomAttribute(type, typeof(TaskNameAttribute));
if (type.IsSubclassOf(typeof(Task)) && !type.IsAbstract && taskNameAttribute != null) {
task.Log(Level.Debug, "Creating TaskBuilder for \"{0}\".",
type.Name);
TaskBuilder tb = new TaskBuilder(type.FullName, type.Assembly.Location);
if (TaskBuilders[tb.TaskName] == null) {
task.Log(Level.Debug, "Adding \"{0}\" from {1}:{2}.",
tb.TaskName, tb.AssemblyFileName, tb.ClassName);
TaskBuilders.Add(tb);
foreach(WeakReference wr in _projects) {
if (!wr.IsAlive) {
task.Log(Level.Debug, "WeakReference for project is dead.");
continue;
}
Project p = wr.Target as Project;
if (p == null) {
task.Log(Level.Debug, "WeakReference is not a"
+ " project! This should not be possible.");
continue;
}
UpdateProjectWithBuilder(p, tb);
}
}
// specified type represents a task
return true;
} else {
// specified type does not represent valid task
return false;
}
} catch {
task.Log(Level.Error, "Failure scanning \"{0}\" for tasks.",
type.AssemblyQualifiedName);
throw;
}
}
public static void ScanDir(string path, Task task, bool failOnError)
{
// don't do anything if we don't have a valid directory path
if (StringUtils.IsNullOrEmpty(path)) {
return;
}
task.Log(Level.Info, "Scanning directory \"{0}\" for extension"
+ " assemblies.", path);
// scan all dll's for tasks, types and functions
DirectoryScanner scanner = new DirectoryScanner();
scanner.BaseDirectory = new DirectoryInfo(path);
scanner.Includes.Add("*.dll");
foreach (string assemblyFile in scanner.FileNames) {
try {
TypeFactory.ScanAssembly(assemblyFile, task);
} catch (Exception ex) {
if (failOnError) {
throw;
}
task.Log(Level.Error, "Failure scanning \"{0}\" for extensions: {1}",
assemblyFile, ex.Message);
}
}
}
public static bool ScanAssembly(Assembly assembly, Task task)
{
task.Log(Level.Info, "Scanning assembly \"{0}\" for extensions.",
assembly.GetName().Name);
bool extensionAssembly = false;
foreach (Type type in assembly.GetTypes()) {
//
// each extension type is exclusive, meaning a given type
// cannot be both a task and data type
//
// so it doesn't make sense to scan a type for, for example,
// data types if the type has already been positively
// identified as a task
//
bool extensionFound = ScanTypeForTasks(type, task);
if (!extensionFound) {
extensionFound = ScanTypeForDataTypes(type, task);
}
if (!extensionFound) {
extensionFound = ScanTypeForFunctions(type, task);
}
if (!extensionFound) {
extensionFound = ScanTypeForFilters(type, task);
}
// if extension is found in type, then mark assembly as
// extension assembly
extensionAssembly = extensionAssembly || extensionFound;
}
// if no extension could be found at all, then we might be dealing
// with an extension assembly that was built using an older version
// of NAnt(.Core)
if (!extensionAssembly) {
AssemblyName coreAssemblyName = Assembly.GetExecutingAssembly().
GetName(false);
foreach (AssemblyName assemblyName in assembly.GetReferencedAssemblies()) {
if (assemblyName.Name == coreAssemblyName.Name) {
// the given assembly references NAnt.Core, so check whether
// it doesn't reference an older version of NAnt.Core
if (assemblyName.Version != coreAssemblyName.Version) {
task.Log(Level.Warning, "Assembly \"{0}\" is built"
+ " using version {1} of NAnt. If any problems"
+ " arise, then try using a version that is built"
+ " for NAnt version {2}.", assembly.GetName().Name,
assemblyName.Version, coreAssemblyName.Version);
}
}
}
}
return extensionAssembly;
}
public static bool ScanAssembly(Assembly assembly, Task task)
{
task.Log(Level.Verbose, "Scanning assembly \"{0}\" for extensions.",
assembly.GetName().Name);
foreach (Type type in assembly.GetExportedTypes())
{
foreach (MethodInfo methodInfo in type.GetMethods())
{
if (methodInfo.IsStatic)
{
task.Log(Level.Verbose, "Found method {0}.",
methodInfo.Name);
}
}
}
bool isExtensionAssembly = false;
ExtensionAssembly extensionAssembly = new ExtensionAssembly(
assembly);
Type[] types;
try {
types = assembly.GetTypes();
}
catch (ReflectionTypeLoadException ex) {
if (ex.LoaderExceptions != null && ex.LoaderExceptions.Length > 0)
{
throw ex.LoaderExceptions[0];
}
throw;
}
foreach (Type type in types)
{
//
// each extension type is exclusive, meaning a given type
// cannot be both a task and data type
//
// so it doesn't make sense to scan a type for, for example,
// data types if the type has already been positively
// identified as a task
//
bool extensionFound = ScanTypeForTasks(extensionAssembly,
type, task);
if (!extensionFound)
{
extensionFound = ScanTypeForDataTypes(extensionAssembly,
type, task);
}
if (!extensionFound)
{
extensionFound = ScanTypeForFunctions(type, task);
}
if (!extensionFound)
{
extensionFound = ScanTypeForFilters(extensionAssembly,
type, task);
}
if (!extensionFound)
{
extensionFound = _pluginScanner.ScanTypeForPlugins(
extensionAssembly, type, task);
}
// if extension is found in type, then mark assembly as
// extension assembly
isExtensionAssembly = isExtensionAssembly || extensionFound;
}
// if no extension could be found at all, then we might be dealing
// with an extension assembly that was built using an older version
// of NAnt(.Core)
if (!isExtensionAssembly)
{
AssemblyName coreAssemblyName = Assembly.GetExecutingAssembly().
GetName(false);
foreach (AssemblyName assemblyName in assembly.GetReferencedAssemblies())
{
if (assemblyName.Name == coreAssemblyName.Name)
{
// the given assembly references NAnt.Core, so check whether
// it doesn't reference an older version of NAnt.Core
if (assemblyName.Version != coreAssemblyName.Version)
{
task.Log(Level.Warning, "Assembly \"{0}\" is built"
+ " using version {1} of NAnt. If any problems"
+ " arise, then try using a version that is built"
+ " for NAnt version {2}.", assembly.GetName().Name,
assemblyName.Version, coreAssemblyName.Version);
}
}
}
}
return(isExtensionAssembly);
}
public static void ScanDir(string path, Task task, bool failOnError)
{
// don't do anything if we don't have a valid directory path
if (String.IsNullOrEmpty(path)) {
return;
}
task.Log(Level.Info, "Scanning directory \"{0}\" for extension"
+ " assemblies.", path);
// scan all dll's for tasks, types and functions
DirectoryScanner scanner = new DirectoryScanner();
scanner.BaseDirectory = new DirectoryInfo(path);
scanner.Includes.Add("*.dll");
foreach (string assemblyFile in scanner.FileNames) {
try {
TypeFactory.ScanAssembly(assemblyFile, task);
} catch (Exception ex) {
string msg = string.Format(CultureInfo.InvariantCulture,
"Failure scanning \"{0}\" for extensions", assemblyFile);
if (failOnError) {
throw new BuildException(msg + ".",
Location.UnknownLocation, ex);
}
task.Log(Level.Error, msg + ": " + assemblyFile, ex.Message);
}
}
}
public static bool ScanAssembly(Assembly assembly, Task task)
{
task.Log(Level.Verbose, "Scanning assembly \"{0}\" for extensions.",
assembly.GetName().Name);
foreach (Type type in assembly.GetExportedTypes()) {
foreach (MethodInfo methodInfo in type.GetMethods()) {
if (methodInfo.IsStatic) {
task.Log(Level.Verbose, "Found method {0}.",
methodInfo.Name);
}
}
}
bool isExtensionAssembly = false;
ExtensionAssembly extensionAssembly = new ExtensionAssembly (
assembly);
Type[] types;
try {
types = assembly.GetTypes();
}
catch(ReflectionTypeLoadException ex) {
if(ex.LoaderExceptions != null && ex.LoaderExceptions.Length > 0) {
throw ex.LoaderExceptions[0];
}
throw;
}
foreach (Type type in types) {
//
// each extension type is exclusive, meaning a given type
// cannot be both a task and data type
//
// so it doesn't make sense to scan a type for, for example,
// data types if the type has already been positively
// identified as a task
//
bool extensionFound = ScanTypeForTasks(extensionAssembly,
type, task);
if (!extensionFound) {
extensionFound = ScanTypeForDataTypes(extensionAssembly,
type, task);
}
if (!extensionFound) {
extensionFound = ScanTypeForFunctions(type, task);
}
if (!extensionFound) {
extensionFound = ScanTypeForFilters(extensionAssembly,
type, task);
}
if (!extensionFound) {
extensionFound = _pluginScanner.ScanTypeForPlugins(
extensionAssembly, type, task);
}
// if extension is found in type, then mark assembly as
// extension assembly
isExtensionAssembly = isExtensionAssembly || extensionFound;
}
// if no extension could be found at all, then we might be dealing
// with an extension assembly that was built using an older version
// of NAnt(.Core)
if (!isExtensionAssembly) {
AssemblyName coreAssemblyName = Assembly.GetExecutingAssembly().
GetName(false);
foreach (AssemblyName assemblyName in assembly.GetReferencedAssemblies()) {
if (assemblyName.Name == coreAssemblyName.Name) {
// the given assembly references NAnt.Core, so check whether
// it doesn't reference an older version of NAnt.Core
if (assemblyName.Version != coreAssemblyName.Version) {
task.Log(Level.Warning, "Assembly \"{0}\" is built"
+ " using version {1} of NAnt. If any problems"
+ " arise, then try using a version that is built"
+ " for NAnt version {2}.", assembly.GetName().Name,
assemblyName.Version, coreAssemblyName.Version);
}
}
}
}
return isExtensionAssembly;
}
private static void SetUpProperties(ArrayList attributeList, Task task, XmlNode xml,
PropertyDictionary oldPropertyValues)
{
PropertyDictionary projectProperties = task.Project.Properties;
StringBuilder logMessage = new StringBuilder();
foreach (MacroAttribute macroAttribute in attributeList)
{
string attributeName = macroAttribute.name;
XmlAttribute xmlAttribute = xml.Attributes[attributeName];
string value = null;
if (xmlAttribute != null)
{
value = projectProperties.ExpandProperties(xmlAttribute.Value, null);
}
else if (macroAttribute.defaultValue != null)
{
value = macroAttribute.defaultValue;
}
string localPropertyName = macroAttribute.LocalPropertyName;
task.Log(Level.Debug, "Setting property " + localPropertyName + " to " + value);
if (logMessage.Length > 0)
logMessage.Append(", ");
logMessage.Append(localPropertyName);
logMessage.Append(" = '");
logMessage.Append(value);
logMessage.Append("'");
if (projectProperties.Contains(localPropertyName))
{
oldPropertyValues.Add(localPropertyName, projectProperties[localPropertyName]);
projectProperties.Remove(localPropertyName);
}
if (value != null)
projectProperties.Add(localPropertyName, value);
}
task.Log(Level.Info, logMessage.ToString());
}
