public DynamicScriptTags(DynamicLanguageConfig langConfig)
{
RunningScriptTags = false;
_LangConfig = langConfig;
Code = new List <ScriptCode>();
ZipPackages = new List <Uri>();
}
/// <summary>
/// Pre-conditions: langConfig is the set of languages used to detect
/// the entry point.
/// Post-conditions: Returns the entryPoint's path as a string.
/// It may still be null if the entry-point was not
/// found. An exception is thrown if multiple entry
/// points are found.
/// </summary>
private static string FindEntryPoint(DynamicLanguageConfig langConfig)
{
string entryPoint = null;
foreach (var lang in langConfig.Languages)
{
foreach (var ext in lang.Extensions)
{
var file = Settings.DefaultEntryPoint + ext;
var tempStream = BrowserPAL.PAL.VirtualFilesystem.GetFile(file);
if (tempStream != null)
{
if (entryPoint != null)
{
throw new ApplicationException(string.Format(
"Application can only have one entry point, but found two: {0}, {1}",
_entryPoint, file
));
}
entryPoint = file;
}
}
}
return(entryPoint);
}
/// <summary>
/// Given a language config it processes the script-tags on the HTML
/// page (see "GetScriptTags").
/// </summary>
public DynamicScriptTags(DynamicLanguageConfig langConfig)
{
RunningScriptTags = false;
_LangConfig = langConfig;
Code = new List <ScriptCode>();
GetScriptTags();
}
public DynamicScriptTags(DynamicLanguageConfig langConfig)
{
RunningScriptTags = false;
_LangConfig = langConfig;
Code = new List<ScriptCode>();
ZipPackages = new List<Uri>();
}
public static void Load(DynamicLanguageConfig langConfig) {
foreach (var pair in langConfig.LanguagesUsed) {
if (pair.Value) {
var lang = langConfig.GetLanguageByName(pair.Key);
LanguageTypeExtensions.LoadByExtension(lang.Extensions[0]);
}
}
}
/// <summary>
/// Initializes the languages, ScriptRuntime, and entry-point ScriptScope.
/// </summary>
public DynamicEngine(DynamicLanguageConfig langConfig) {
if (langConfig == null) {
InitializeLangConfig();
} else {
LangConfig = langConfig;
}
InitializeRuntime(Settings.Debug);
InitializeScope();
}
/// <summary>
/// Creates a new ScriptRuntimeSetup, given a language config.
/// </summary>
/// <param name="langConfig">Use this language config to generate the setup</param>
/// <param name="debugMode">Tells the setup to generate debuggable code</param>
/// <returns>new ScriptRuntimeSetup</returns>
public static ScriptRuntimeSetup CreateRuntimeSetup(bool debugMode, DynamicLanguageConfig langConfig)
{
var setup = langConfig.CreateRuntimeSetup();
setup.HostType = typeof(BrowserScriptHost);
setup.Options["SearchPaths"] = new string[] { String.Empty };
setup.DebugMode = debugMode;
return(setup);
}
public static void Load(DynamicLanguageConfig langConfig)
{
foreach (var pair in langConfig.LanguagesUsed)
{
if (pair.Value)
{
var lang = langConfig.GetLanguageByName(pair.Key);
LanguageTypeExtensions.LoadByExtension(lang.Extensions[0]);
}
}
}
/// <summary>
/// Initializes the languages, ScriptRuntime, and entry-point ScriptScope.
/// </summary>
public DynamicEngine(DynamicLanguageConfig langConfig) {
RunningEntryPoint = false;
if (langConfig == null) {
LangConfig = InitializeLangConfig();
} else {
LangConfig = langConfig;
}
Runtime = CreateRuntime(Settings.Debug, LangConfig);
Runtime.LoadAssembly(GetType().Assembly);
LangConfig.Runtime = Runtime;
RuntimeSetup = Runtime.Setup;
EntryPointScope = CreateScope(Runtime);
}
/// <summary>
/// Initializes the languages, ScriptRuntime, and entry-point ScriptScope.
/// </summary>
public DynamicEngine(DynamicLanguageConfig langConfig)
{
RunningEntryPoint = false;
if (langConfig == null)
{
LangConfig = InitializeLangConfig();
}
else
{
LangConfig = langConfig;
}
Runtime = CreateRuntime(Settings.Debug, LangConfig);
Runtime.LoadAssembly(GetType().Assembly);
LangConfig.Runtime = Runtime;
RuntimeSetup = Runtime.Setup;
EntryPointScope = CreateScope(Runtime);
}
/// <summary>
/// Called by Silverlight host when it instantiates our application
/// </summary>
public DynamicApplication()
{
if (_Current != null)
{
throw new Exception("Only one instance of DynamicApplication can be created");
}
_Current = this;
_UIThreadId = Thread.CurrentThread.ManagedThreadId;
_HtmlPageUri = HtmlPageUri;
Settings.ReportUnhandledErrors = true;
AppManifest = new DynamicAppManifest();
LanguagesConfig = DynamicLanguageConfig.Create(AppManifest.Assemblies);
Startup += new StartupEventHandler(DynamicApplication_Startup);
}
/// <summary>
/// Loads the configuration from a list of assemblies
/// </summary>
public static DynamicLanguageConfig LoadFromAssemblies(IEnumerable <Assembly> assemblies)
{
var dl = new DynamicLanguageConfig();
foreach (var assembly in assemblies)
{
foreach (DynamicLanguageProviderAttribute attribute in assembly.GetCustomAttributes(typeof(DynamicLanguageProviderAttribute), false))
{
dl.Languages.Add(new DynamicLanguageInfo(
attribute.Names,
attribute.LanguageContextType.AssemblyQualifiedName,
new string[] { assembly.ManifestModule.ToString() },
attribute.FileExtensions,
null
));
}
}
return(dl);
}
/// <summary>
/// Gets and validates the entry-point.
/// Pre-conditions: entryPoint is the path to validate
/// langConfig is the list of languages used to detect
/// the entry point. scriptTags track the <script>
/// blocks on the HTML page.
/// Post-conditions: returns the name of the validated entry-point. The
/// return value can be null if no valid entry-point
/// exists while there exists a inline script-tag.
/// The language of the entry-point is marked as "used"
/// in langConfig.
/// </summary>
private static string GetAndValidateEntryPoint
(string entryPoint, DynamicLanguageConfig langConfig, DynamicScriptTags scriptTags)
{
if (entryPoint == null)
{
entryPoint = FindEntryPoint(langConfig);
}
else
{
var vfs = BrowserPAL.PAL.VirtualFilesystem;
var stream = vfs.GetFile(entryPoint);
if (stream == null)
{
throw new ApplicationException(
string.Format(
"Application expected to have an entry point called {0}, but was not found (check the {1})",
entryPoint, BrowserPAL.PAL.VirtualFilesystem.Name()));
}
}
if (entryPoint != null)
{
var entryPointExt = Path.GetExtension(entryPoint);
foreach (var lang in langConfig.Languages)
{
foreach (var ext in lang.Extensions)
{
if (entryPointExt == ext)
{
langConfig.LanguagesUsed[lang.Names[0].ToLower()] = true;
break;
}
}
}
}
return(entryPoint);
}
/// <summary>
/// Creates a new ScriptRuntimeSetup, given a language config.
/// </summary>
/// <param name="langConfig">Use this language config to generate the setup</param>
/// <param name="debugMode">Tells the setup to generate debuggable code</param>
/// <returns>new ScriptRuntimeSetup</returns>
public static ScriptRuntimeSetup CreateRuntimeSetup(bool debugMode, DynamicLanguageConfig langConfig) {
var setup = langConfig.CreateRuntimeSetup();
setup.HostType = typeof(BrowserScriptHost);
setup.Options["SearchPaths"] = new string[] { String.Empty };
setup.DebugMode = debugMode;
return setup;
}
/// <summary>
/// Loads the configuration from the languages config file.
/// </summary>
public static DynamicLanguageConfig LoadFromConfiguration()
{
Stream configFile = BrowserPAL.PAL.VirtualFilesystem.GetFile(Settings.LanguagesConfigFile);
if (configFile == null)
{
return(null);
}
var dl = new DynamicLanguageConfig();
try {
XmlReader reader = XmlReader.Create(configFile);
reader.MoveToContent();
if (!reader.IsStartElement("Languages"))
{
throw new ConfigFileException("expected 'Configuration' root element", Settings.LanguagesConfigFile);
}
while (reader.Read())
{
if (reader.NodeType != XmlNodeType.Element || reader.Name != "Language")
{
continue;
}
string context = null, asms = null, exts = null, names = null, external = null;
while (reader.MoveToNextAttribute())
{
switch (reader.Name)
{
case "names":
names = reader.Value;
break;
case "languageContext":
context = reader.Value;
break;
case "assemblies":
asms = reader.Value;
break;
case "extensions":
exts = reader.Value;
break;
case "external":
external = reader.Value;
break;
}
}
if (context == null || asms == null || exts == null || names == null || external == null)
{
throw new ConfigFileException("expected 'Language' element to have attributes 'languageContext', 'assemblies', 'extensions', 'names', 'external'", Settings.LanguagesConfigFile);
}
char[] splitChars = new char[] { ' ', '\t', ',', ';', '\r', '\n' };
string[] assemblies = asms.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
string[] splitNames = names.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
string contextAssembly = assemblies[0].Split('.')[0];
foreach (Assembly asm in DynamicApplication.Current.AppManifest.Assemblies)
{
if (asm.FullName.Contains(contextAssembly))
{
contextAssembly = asm.FullName;
break;
}
}
dl.Languages.Add(new DynamicLanguageInfo(
splitNames,
context + ", " + contextAssembly,
assemblies,
exts.Split(splitChars, StringSplitOptions.RemoveEmptyEntries),
external
));
}
} catch (ConfigFileException cfe) {
throw cfe;
} catch (Exception ex) {
throw new ConfigFileException(ex.Message, Settings.LanguagesConfigFile, ex);
}
return(dl);
}
/// <summary>
/// Loads the configuration from the languages config file.
/// </summary>
public static DynamicLanguageConfig LoadFromConfiguration()
{
Stream configFile = BrowserPAL.PAL.VirtualFilesystem.GetFile(Settings.LanguagesConfigFile);
if (configFile == null) return null;
var dl = new DynamicLanguageConfig();
try {
XmlReader reader = XmlReader.Create(configFile);
reader.MoveToContent();
if (!reader.IsStartElement("Languages")) {
throw new ConfigFileException("expected 'Configuration' root element", Settings.LanguagesConfigFile);
}
while (reader.Read()) {
if (reader.NodeType != XmlNodeType.Element || reader.Name != "Language") {
continue;
}
string context = null, asms = null, exts = null, names = null, external = null;
while (reader.MoveToNextAttribute()) {
switch (reader.Name) {
case "names":
names = reader.Value;
break;
case "languageContext":
context = reader.Value;
break;
case "assemblies":
asms = reader.Value;
break;
case "extensions":
exts = reader.Value;
break;
case "external":
external = reader.Value;
break;
}
}
if (context == null || asms == null || exts == null || names == null || external == null) {
throw new ConfigFileException("expected 'Language' element to have attributes 'languageContext', 'assemblies', 'extensions', 'names', 'external'", Settings.LanguagesConfigFile);
}
char[] splitChars = new char[] { ' ', '\t', ',', ';', '\r', '\n' };
string[] assemblies = asms.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
string[] splitNames = names.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
string contextAssembly = assemblies[0].Split('.')[0];
foreach (Assembly asm in DynamicApplication.Current.AppManifest.Assemblies) {
if (asm.FullName.Contains(contextAssembly)) {
contextAssembly = asm.FullName;
break;
}
}
dl.Languages.Add(new DynamicLanguageInfo(
splitNames,
context + ", " + contextAssembly,
assemblies,
exts.Split(splitChars, StringSplitOptions.RemoveEmptyEntries),
external
));
}
} catch (ConfigFileException cfe) {
throw cfe;
} catch (Exception ex) {
throw new ConfigFileException(ex.Message, Settings.LanguagesConfigFile, ex);
}
return dl;
}
/// <summary>
/// Loads the configuration from a list of assemblies
/// </summary>
public static DynamicLanguageConfig LoadFromAssemblies(IEnumerable<Assembly> assemblies)
{
var dl = new DynamicLanguageConfig();
foreach (var assembly in assemblies) {
foreach (DynamicLanguageProviderAttribute attribute in assembly.GetCustomAttributes(typeof(DynamicLanguageProviderAttribute), false)) {
dl.Languages.Add(new DynamicLanguageInfo(
attribute.Names,
attribute.LanguageContextType.AssemblyQualifiedName,
new string[] { assembly.ManifestModule.ToString() },
attribute.FileExtensions,
null
));
}
}
return dl;
}
/// <summary>
/// Pre-conditions: langConfig is the set of languages used to detect
/// the entry point.
/// Post-conditions: Returns the entryPoint's path as a string.
/// It may still be null if the entry-point was not
/// found. An exception is thrown if multiple entry
/// points are found.
/// </summary>
private static string FindEntryPoint(DynamicLanguageConfig langConfig) {
string entryPoint = null;
foreach (var lang in langConfig.Languages) {
foreach (var ext in lang.Extensions) {
var file = Settings.DefaultEntryPoint + ext;
var tempStream = BrowserPAL.PAL.VirtualFilesystem.GetFile(file);
if (tempStream != null) {
if (entryPoint != null) {
throw new ApplicationException(string.Format(
"Application can only have one entry point, but found two: {0}, {1}",
_entryPoint, file
));
}
entryPoint = file;
}
}
}
return entryPoint;
}
/// <summary>
/// Gets and validates the entry-point.
/// Pre-conditions: entryPoint is the path to validate
/// langConfig is the list of languages used to detect
/// the entry point. scriptTags track the <script>
/// blocks on the HTML page.
/// Post-conditions: returns the name of the validated entry-point. The
/// return value can be null if no valid entry-point
/// exists while there exists a inline script-tag.
/// The language of the entry-point is marked as "used"
/// in langConfig.
/// </summary>
private static string GetAndValidateEntryPoint
(string entryPoint, DynamicLanguageConfig langConfig, DynamicScriptTags scriptTags) {
if (entryPoint == null) {
entryPoint = FindEntryPoint(langConfig);
} else {
var vfs = BrowserPAL.PAL.VirtualFilesystem;
var stream = vfs.GetFile(entryPoint);
if (stream == null) {
throw new ApplicationException(
string.Format(
"Application expected to have an entry point called {0}, but was not found (check the {1})",
entryPoint, BrowserPAL.PAL.VirtualFilesystem.Name()));
}
}
if(entryPoint != null) {
var entryPointExt = Path.GetExtension(entryPoint);
foreach (var lang in langConfig.Languages) {
foreach (var ext in lang.Extensions) {
if (entryPointExt == ext) {
langConfig.LanguagesUsed[lang.Names[0].ToLower()] = true;
break;
}
}
}
}
return entryPoint;
}
/// <summary>
/// Given a language config it processes the script-tags on the HTML
/// page (see "GetScriptTags").
/// </summary>
public DynamicScriptTags(DynamicLanguageConfig langConfig) {
RunningScriptTags = false;
_LangConfig = langConfig;
Code = new List<ScriptCode>();
GetScriptTags();
}
public static ScriptRuntime CreateRuntime(bool debugMode, DynamicLanguageConfig langConfig) {
return CreateRuntimeHelper(CreateRuntimeSetup(debugMode, langConfig));
}
/// <summary>
/// Creates a new ScriptRuntimeSetup, given a list of assemblies.
/// </summary>
/// <param name="assemblies">List of assemblies to find DLR's language configuration</param>
/// <returns>new ScriptRuntimeSetup</returns>
public static ScriptRuntimeSetup CreateRuntimeSetup(List <Assembly> assemblies)
{
return(CreateRuntimeSetup(Settings.Debug, DynamicLanguageConfig.LoadFromAssemblies(assemblies)));
}
/// <summary>
/// Create a new language config
/// </summary>
private static DynamicLanguageConfig CreateLangConfig()
{
return(DynamicLanguageConfig.Create(new DynamicAppManifest().Assemblies));
}
/// <summary>
/// Creates a new ScriptRuntimeSetup.
/// </summary>
/// <param name="debugMode">Tells the setup to generate debuggable code</param>
/// <returns>new ScriptRuntimeSetup</returns>
public static ScriptRuntimeSetup CreateRuntimeSetup(bool debugMode)
{
DynamicLanguageConfig langConfig = CreateLangConfig();
return(CreateRuntimeSetup(debugMode, langConfig));
}
public static ScriptRuntime CreateRuntime(bool debugMode, DynamicLanguageConfig langConfig)
{
return(CreateRuntimeHelper(CreateRuntimeSetup(debugMode, langConfig)));
}
/// <summary>
/// Given a language config it processes the script-tags on the HTML
/// page (see "GetScriptTags").
/// </summary>
public DynamicScriptTags(DynamicLanguageConfig langConfig) {
_LangConfig = langConfig;
Code = new Dictionary<string, Dictionary<bool, ScriptCode>>();
GetScriptTags();
}
