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|
//
// System.Web.Compilation.AspGenerator
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc (http://www.ximian.com)
//
using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
namespace System.Web.Compilation
{
class ControlStack
{
private Stack controls;
private ControlStackData top;
private bool space_between_tags;
private bool sbt_valid;
class ControlStackData
{
public Type controlType;
public string controlID;
public string tagID;
public ChildrenKind childKind;
public string defaultPropertyName;
public int childrenNumber;
public Type container;
public StringBuilder dataBindFunction;
public StringBuilder codeRenderFunction;
public bool useCodeRender;
public ControlStackData (Type controlType,
string controlID,
string tagID,
ChildrenKind childKind,
string defaultPropertyName,
Type container)
{
this.controlType = controlType;
this.controlID = controlID;
this.tagID = tagID;
this.childKind = childKind;
this.defaultPropertyName = defaultPropertyName;
this.container = container;
childrenNumber = 0;
}
public override string ToString ()
{
return controlType + " " + controlID + " " + tagID + " " + childKind + " " + childrenNumber;
}
}
public ControlStack ()
{
controls = new Stack ();
}
private Type GetContainerType (Type type)
{
if (type != typeof (System.Web.UI.Control) &&
!type.IsSubclassOf (typeof (System.Web.UI.Control)))
return null;
Type container_type;
if (type == typeof (System.Web.UI.WebControls.DataList))
container_type = typeof (System.Web.UI.WebControls.DataListItem);
else if (type == typeof (System.Web.UI.WebControls.DataGrid))
container_type = typeof (System.Web.UI.WebControls.DataGridItem);
else if (type == typeof (System.Web.UI.WebControls.Repeater))
container_type = typeof (System.Web.UI.WebControls.RepeaterItem);
else
container_type = type;
return container_type;
}
public void Push (Type controlType,
string controlID,
string tagID,
ChildrenKind childKind,
string defaultPropertyName)
{
Type container_type = null;
if (controlType != null){
AddChild ();
container_type = GetContainerType (controlType);
if (container_type == null)
container_type = this.Container;
}
top = new ControlStackData (controlType,
controlID,
tagID,
childKind,
defaultPropertyName,
container_type);
sbt_valid = false;
controls.Push (top);
}
public void Pop ()
{
controls.Pop ();
if (controls.Count != 0)
top = (ControlStackData) controls.Peek ();
sbt_valid = false;
}
public Type PeekType ()
{
return top.controlType;
}
public string PeekControlID ()
{
return top.controlID;
}
public string PeekTagID ()
{
return top.tagID;
}
public ChildrenKind PeekChildKind ()
{
return top.childKind;
}
public string PeekDefaultPropertyName ()
{
return top.defaultPropertyName;
}
public void AddChild ()
{
if (top != null)
top.childrenNumber++;
}
public bool HasDataBindFunction ()
{
if (top.dataBindFunction == null || top.dataBindFunction.Length == 0)
return false;
return true;
}
public bool UseCodeRender
{
get {
if (top.codeRenderFunction == null || top.codeRenderFunction.Length == 0)
return false;
return top.useCodeRender;
}
set { top.useCodeRender= value; }
}
public bool SpaceBetweenTags
{
get {
if (!sbt_valid){
sbt_valid = true;
Type type = top.controlType;
if (type.Namespace == "System.Web.UI.WebControls")
space_between_tags = true;
else if (type.IsSubclassOf (typeof (System.Web.UI.WebControls.WebControl)))
space_between_tags = true;
else if (type == typeof (System.Web.UI.HtmlControls.HtmlSelect))
space_between_tags = true;
else
space_between_tags = false;
}
return space_between_tags;
}
}
public Type Container
{
get { return top.container; }
}
public StringBuilder DataBindFunction
{
get {
if (top.dataBindFunction == null)
top.dataBindFunction = new StringBuilder ();
return top.dataBindFunction;
}
}
public StringBuilder CodeRenderFunction
{
get {
if (top.codeRenderFunction == null)
top.codeRenderFunction = new StringBuilder ();
return top.codeRenderFunction;
}
}
public int ChildIndex
{
get { return top.childrenNumber - 1; }
}
public int Count
{
get { return controls.Count; }
}
public override string ToString ()
{
return top.ToString () + " " + top.useCodeRender;
}
}
class ArrayListWrapper
{
private ArrayList list;
private int index;
public ArrayListWrapper (ArrayList list)
{
this.list = list;
index = -1;
}
private void CheckIndex ()
{
if (index == -1 || index == list.Count)
throw new InvalidOperationException ();
}
public object Current
{
get {
CheckIndex ();
return list [index];
}
set {
CheckIndex ();
list [index] = value;
}
}
public bool MoveNext ()
{
if (index < list.Count)
index++;
return index < list.Count;
}
}
class AspGenerator
{
private object [] parts;
private ArrayListWrapper elements;
private StringBuilder prolog;
private StringBuilder declarations;
private StringBuilder script;
private StringBuilder constructor;
private StringBuilder init_funcs;
private StringBuilder epilog;
private StringBuilder current_function;
private Stack functions;
private ControlStack controls;
private bool parse_ok;
private bool has_form_tag;
private AspComponentFoundry aspFoundry;
private string classDecl;
private string className;
private string interfaces;
private string parent;
private string fullPath;
private static string enableSessionStateLiteral = ", System.Web.SessionState.IRequiresSessionState";
Hashtable options;
string privateBinPath;
enum UserControlResult
{
OK = 0,
FileNotFound = 1,
CompilationFailed = 2
}
public AspGenerator (string pathToFile, ArrayList elements)
{
if (elements == null)
throw new ArgumentNullException ();
this.elements = new ArrayListWrapper (elements);
string filename = Path.GetFileName (pathToFile);
this.className = filename.Replace ('.', '_'); // Overridden by @ Page classname
this.className = className.Replace ('-', '_');
this.className = className.Replace (' ', '_');
Options ["ClassName"] = this.className;
this.fullPath = Path.GetFullPath (pathToFile);
/*
if (IsUserControl) {
this.parent = "System.Web.UI.UserControl"; // Overriden by @ Control Inherits
this.interfaces = "";
} else {
this.parent = "System.Web.UI.Page"; // Overriden by @ Page Inherits
this.interfaces = enableSessionStateLiteral;
}
//
//*/
this.has_form_tag = false;
AppDomainSetup setup = AppDomain.CurrentDomain.SetupInformation;
privateBinPath = setup.PrivateBinPath;
if (privateBinPath == null || privateBinPath.Length == 0)
privateBinPath = "bin";
if (!Path.IsPathRooted (privateBinPath))
privateBinPath = Path.Combine (setup.ApplicationBase, privateBinPath);
Init ();
}
public string BaseType
{
get {
return parent;
}
set {
parent = value;
}
}
public bool IsUserControl
{
get {
return (BaseType == typeof (UserControl).ToString ());
}
}
public string Interfaces
{
get {
return interfaces;
}
}
public Hashtable Options {
get {
if (options == null)
options = new Hashtable ();
return options;
}
}
public void AddInterface (string iface)
{
if (interfaces == "") {
interfaces = iface;
} else {
string s = ", " + iface;
if (interfaces.IndexOf (s) == -1)
interfaces += s;
}
}
private AspComponentFoundry Foundry
{
get {
if (aspFoundry == null)
aspFoundry = new AspComponentFoundry ();
return aspFoundry;
}
}
private void Init ()
{
controls = new ControlStack ();
controls.Push (typeof (System.Web.UI.Control), "Root", null, ChildrenKind.CONTROLS, null);
prolog = new StringBuilder ();
declarations = new StringBuilder ();
script = new StringBuilder ();
constructor = new StringBuilder ();
init_funcs = new StringBuilder ();
epilog = new StringBuilder ();
current_function = new StringBuilder ();
functions = new Stack ();
functions.Push (current_function);
parts = new Object [6];
parts [0] = prolog;
parts [1] = declarations;
parts [2] = script;
parts [3] = constructor;
parts [4] = init_funcs;
parts [5] = epilog;
prolog.Append ("namespace ASP {\n" +
"\tusing System;\n" +
"\tusing System.Collections;\n" +
"\tusing System.Collections.Specialized;\n" +
"\tusing System.Configuration;\n" +
"\tusing System.IO;\n" +
"\tusing System.Text;\n" +
"\tusing System.Text.RegularExpressions;\n" +
"\tusing System.Web;\n" +
"\tusing System.Web.Caching;\n" +
"\tusing System.Web.Security;\n" +
"\tusing System.Web.SessionState;\n" +
"\tusing System.Web.UI;\n" +
"\tusing System.Web.UI.WebControls;\n" +
"\tusing System.Web.UI.HtmlControls;\n");
declarations.Append ("\t\tprivate static int __autoHandlers;\n");
current_function.Append ("\t\tprivate void __BuildControlTree (System.Web.UI.Control __ctrl)\n\t\t{\n");
if (!IsUserControl)
current_function.Append ("\t\t\tSystem.Web.UI.IParserAccessor __parser = " +
"(System.Web.UI.IParserAccessor) __ctrl;\n\n");
else
controls.UseCodeRender = true;
}
public StringReader GetCode ()
{
if (!parse_ok)
throw new ApplicationException ("You gotta call ProcessElements () first!");
StringBuilder code = new StringBuilder ();
for (int i = 0; i < parts.Length; i++)
code.Append ((StringBuilder) parts [i]);
return new StringReader (code.ToString ());
}
public void Print ()
{
if (!parse_ok){
Console.WriteLine ("//Warning!!!: Elements not correctly parsed.");
}
Console.Write (GetCode ().ReadToEnd ());
}
// Regex.Escape () make some illegal escape sequences for a C# source.
private string Escape (string input)
{
string output = input.Replace ("\\", "\\\\");
output = output.Replace ("\"", "\\\"");
output = output.Replace ("\t", "\\t");
output = output.Replace ("\r", "\\r");
output = output.Replace ("\n", "\\n");
output = output.Replace ("\n", "\\n");
return output;
}
private void PageDirective (TagAttributes att)
{
if (att ["ClassName"] != null){
this.className = (string) att ["ClassName"];
Options ["ClassName"] = className;
}
if (att ["EnableSessionState"] != null){
string est = (string) att ["EnableSessionState"];
if (0 == String.Compare (est, "false", true))
interfaces = interfaces.Replace (enableSessionStateLiteral, "");
else if (0 != String.Compare (est, "true", true))
throw new ApplicationException ("EnableSessionState in Page directive not set to " +
"a correct value: " + est);
}
/*
if (att ["Inherits"] != null){
parent = (string) att ["Inherits"];
string source_file = att ["Src"] as string;
if (source_file != null)
buildOptions.AppendFormat ("//<compileandreference src=\"{0}\"/>\n", source_file);
else
buildOptions.AppendFormat ("//<reference dll=\"{0}\"/>\n", parent);
}
*/
if (att ["CompilerOptions"] != null)
Options ["CompilerOptions"] = (string) att ["CompilerOptions"];
//FIXME: add support for more attributes.
}
void AddReference (string dll)
{
string references = Options ["References"] as string;
if (references == null)
references = dll;
else
references = references + " " + dll;
Options ["References"] = references;
}
private void RegisterDirective (TagAttributes att)
{
string tag_prefix = (string) (att ["tagprefix"] == null ? "" : att ["tagprefix"]);
string name_space = (string) (att ["namespace"] == null ? "" : att ["namespace"]);
string assembly_name = (string) (att ["assembly"] == null ? "" : att ["assembly"]);
string tag_name = (string) (att ["tagname"] == null ? "" : att ["tagname"]);
string src = (string) (att ["src"] == null ? "" : att ["src"]);
if (tag_prefix != "" && name_space != "" && assembly_name != ""){
if (tag_name != "" || src != "")
throw new ApplicationException ("Invalid attributes for @ Register: " +
att.ToString ());
prolog.AppendFormat ("\tusing {0};\n", name_space);
string dll = privateBinPath + Path.DirectorySeparatorChar + assembly_name + ".dll";
Foundry.RegisterFoundry (tag_prefix, dll, name_space);
AddReference (dll);
return;
}
if (tag_prefix != "" && tag_name != "" && src != ""){
if (name_space != "" && assembly_name != "")
throw new ApplicationException ("Invalid attributes for @ Register: " +
att.ToString ());
if (!src.EndsWith (".ascx"))
throw new ApplicationException ("Source file extension for controls " +
"must be .ascx");
string pathToFile = Path.GetDirectoryName (src);
if (pathToFile == "") {
pathToFile = Path.GetDirectoryName (fullPath);
} else if (!Path.IsPathRooted (pathToFile)) {
pathToFile = Path.Combine (Path.GetDirectoryName (fullPath), pathToFile);
}
string srcLocation = pathToFile + Path.DirectorySeparatorChar + Path.GetFileName (src);
UserControlData data = GenerateUserControl (srcLocation);
switch (data.result) {
case UserControlResult.OK:
prolog.AppendFormat ("\tusing {0};\n", "ASP");
string dll = "output" + Path.DirectorySeparatorChar + data.assemblyName + ".dll";
Foundry.RegisterFoundry (tag_prefix, data.assemblyName, "ASP", data.className);
AddReference (data.assemblyName);
break;
case UserControlResult.FileNotFound:
throw new ApplicationException ("File '" + src + "' not found.");
case UserControlResult.CompilationFailed:
//TODO: should say where the generated .cs file is for the server to
//show the source and the compiler error
throw new NotImplementedException ();
}
return;
}
throw new ApplicationException ("Invalid combination of attributes in " +
"@ Register: " + att.ToString ());
}
private void ProcessDirective ()
{
Directive directive = (Directive) elements.Current;
TagAttributes att = directive.Attributes;
if (att == null)
return;
string id = directive.TagID.ToUpper ();
switch (id){
case "PAGE":
case "CONTROL":
if (IsUserControl && id != "CONTROL")
throw new ApplicationException ("@Page not allowed if --control specified.");
else if (!IsUserControl && id != "PAGE")
throw new ApplicationException ("@Control not allowed here.");
PageDirective (att);
break;
case "IMPORT":
foreach (string key in att.Keys){
if (0 == String.Compare (key, "NAMESPACE", true)){
string _using = "using " + (string) att [key] + ";";
if (prolog.ToString ().IndexOf (_using) == -1)
prolog.AppendFormat ("\tusing {0};\n", (string) att [key]);
break;
}
}
break;
case "IMPLEMENTS":
string iface = (string) att ["interface"];
interfaces += ", " + iface;
break;
case "REGISTER":
RegisterDirective (att);
break;
}
}
private void ProcessPlainText ()
{
PlainText asis = (PlainText) elements.Current;
string trimmed = asis.Text.Trim ();
if (trimmed == "" && controls.SpaceBetweenTags == true)
return;
if (trimmed != "" && controls.PeekChildKind () != ChildrenKind.CONTROLS){
string tag_id = controls.PeekTagID ();
throw new ApplicationException ("Literal content not allowed for " + tag_id);
}
string escaped_text = Escape (asis.Text);
current_function.AppendFormat ("\t\t\t__parser.AddParsedSubObject (" +
"new System.Web.UI.LiteralControl (\"{0}\"));\n",
escaped_text);
StringBuilder codeRenderFunction = controls.CodeRenderFunction;
codeRenderFunction.AppendFormat ("\t\t\t__output.Write (\"{0}\");\n", escaped_text);
}
private string EnumValueNameToString (Type enum_type, string value_name)
{
if (value_name.EndsWith ("*"))
throw new ApplicationException ("Invalid property value: '" + value_name +
". It must be a valid " + enum_type.ToString () + " value.");
MemberInfo [] nested_types = enum_type.FindMembers (MemberTypes.Field,
BindingFlags.Public | BindingFlags.Static,
Type.FilterNameIgnoreCase,
value_name);
if (nested_types.Length == 0)
throw new ApplicationException ("Value " + value_name + " not found in enumeration " +
enum_type.ToString ());
if (nested_types.Length > 1)
throw new ApplicationException ("Value " + value_name + " found " +
nested_types.Length + " in enumeration " +
enum_type.ToString ());
return enum_type.ToString () + "." + nested_types [0].Name;
}
private void NewControlFunction (string tag_id,
string control_id,
Type control_type,
ChildrenKind children_kind,
string defaultPropertyName)
{
ChildrenKind prev_children_kind = controls.PeekChildKind ();
if (prev_children_kind == ChildrenKind.NONE ||
prev_children_kind == ChildrenKind.PROPERTIES){
string prev_tag_id = controls.PeekTagID ();
throw new ApplicationException ("Child controls not allowed for " + prev_tag_id);
}
if (prev_children_kind == ChildrenKind.DBCOLUMNS &&
control_type != typeof (System.Web.UI.WebControls.DataGridColumn) &&
!control_type.IsSubclassOf (typeof (System.Web.UI.WebControls.DataGridColumn)))
throw new ApplicationException ("Inside " + controls.PeekTagID () + " only " +
"System.Web.UI.WebControls.DataGridColum " +
"objects are allowed");
else if (prev_children_kind == ChildrenKind.LISTITEM &&
control_type != typeof (System.Web.UI.WebControls.ListItem))
throw new ApplicationException ("Inside " + controls.PeekTagID () + " only " +
"System.Web.UI.WebControls.ListItem " +
"objects are allowed");
StringBuilder func_code = new StringBuilder ();
current_function = func_code;
if (0 == String.Compare (tag_id, "form", true)){
if (has_form_tag)
throw new ApplicationException ("Only one form server tag allowed.");
has_form_tag = true;
}
controls.Push (control_type, control_id, tag_id, children_kind, defaultPropertyName);
bool is_generic = control_type == typeof (System.Web.UI.HtmlControls.HtmlGenericControl);
functions.Push (current_function);
if (control_type != typeof (System.Web.UI.WebControls.ListItem))
current_function.AppendFormat ("\t\tprivate System.Web.UI.Control __BuildControl_" +
"{0} ()\n\t\t{{\n\t\t\t{1} __ctrl;\n\n\t\t\t__ctrl" +
" = new {1} ({2});\n\t\t\tthis.{0} = __ctrl;\n",
control_id, control_type,
(is_generic? "\"" + tag_id + "\"" : ""));
else
current_function.AppendFormat ("\t\tprivate void __BuildControl_{0} ()\n\t\t{{" +
"\n\t\t\t{1} __ctrl;\n\t\t\t__ctrl = new {1} ();" +
"\n\t\t\tthis.{0} = __ctrl;\n",
control_id, control_type);
if (children_kind == ChildrenKind.CONTROLS || children_kind == ChildrenKind.OPTION)
current_function.Append ("\t\t\tSystem.Web.UI.IParserAccessor __parser = " +
"(System.Web.UI.IParserAccessor) __ctrl;\n");
}
private void DataBoundProperty (string varName, string value)
{
if (value == "")
throw new ApplicationException ("Empty data binding tag.");
string control_id = controls.PeekControlID ();
string control_type_string = controls.PeekType ().ToString ();
StringBuilder db_function = controls.DataBindFunction;
string container = "System.Web.UI.Control";
if (db_function.Length == 0)
db_function.AppendFormat ("\t\tpublic void __DataBind_{0} (object sender, " +
"System.EventArgs e) {{\n" +
"\t\t\t{1} Container;\n" +
"\t\t\t{2} target;\n" +
"\t\t\ttarget = ({2}) sender;\n" +
"\t\t\tContainer = ({1}) target.BindingContainer;\n",
control_id, container, control_type_string);
/* Removes '<%#' and '%>' */
string real_value = value.Remove (0,3);
real_value = real_value.Remove (real_value.Length - 2, 2);
real_value = real_value.Trim ();
db_function.AppendFormat ("\t\t\ttarget.{0} = System.Convert.ToString ({1});\n",
varName, real_value);
}
/*
* Returns true if it generates some code for the specified property
*/
private void AddPropertyCode (Type prop_type, string var_name, string att, bool isDataBound)
{
/* FIXME: should i check for this or let the compiler fail?
* if (!prop.CanWrite)
* ....
*/
if (prop_type == typeof (string)){
if (att == null)
throw new ApplicationException ("null value for attribute " + var_name );
if (isDataBound)
DataBoundProperty (var_name, att);
else
current_function.AppendFormat ("\t\t\t__ctrl.{0} = \"{1}\";\n", var_name,
Escape (att)); // FIXME: really Escape this?
}
else if (prop_type.IsEnum){
if (att == null)
throw new ApplicationException ("null value for attribute " + var_name );
string enum_value = EnumValueNameToString (prop_type, att);
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, enum_value);
}
else if (prop_type == typeof (bool)){
string value;
if (att == null)
value = "true"; //FIXME: is this ok for non Style properties?
else if (0 == String.Compare (att, "true", true))
value = "true";
else if (0 == String.Compare (att, "false", true))
value = "false";
else
throw new ApplicationException ("Value '" + att + "' is not a valid boolean.");
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, value);
}
else if (prop_type == typeof (System.Web.UI.WebControls.Unit)){
//FIXME: should use the culture specified in Page
try {
Unit value = Unit.Parse (att, System.Globalization.CultureInfo.InvariantCulture);
} catch (Exception) {
throw new ApplicationException ("'" + att + "' cannot be parsed as a unit.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = " +
"System.Web.UI.WebControls.Unit.Parse (\"{1}\", " +
"System.Globalization.CultureInfo.InvariantCulture);\n",
var_name, att);
}
else if (prop_type == typeof (System.Web.UI.WebControls.FontUnit)){
//FIXME: should use the culture specified in Page
try {
FontUnit value = FontUnit.Parse (att, System.Globalization.CultureInfo.InvariantCulture);
} catch (Exception) {
throw new ApplicationException ("'" + att + "' cannot be parsed as a unit.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = " +
"System.Web.UI.WebControls.FontUnit.Parse (\"{1}\", " +
"System.Globalization.CultureInfo.InvariantCulture);\n",
var_name, att);
}
else if (prop_type == typeof (Int16) ||
prop_type == typeof (Int32) ||
prop_type == typeof (Int64)){
long value;
try {
value = Int64.Parse (att); //FIXME: should use the culture specified in Page
} catch (Exception){
throw new ApplicationException (att + " is not a valid signed number " +
"or is out of range.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, value);
}
else if (prop_type == typeof (UInt16) ||
prop_type == typeof (UInt32) ||
prop_type == typeof (UInt64)){
ulong value;
try {
value = UInt64.Parse (att); //FIXME: should use the culture specified in Page
} catch (Exception){
throw new ApplicationException (att + " is not a valid unsigned number " +
"or is out of range.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, value);
}
else if (prop_type == typeof (float)){
float value;
try {
value = Single.Parse (att);
} catch (Exception){
throw new ApplicationException (att + " is not avalid float number or " +
"is out of range.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, value);
}
else if (prop_type == typeof (double)){
double value;
try {
value = Double.Parse (att);
} catch (Exception){
throw new ApplicationException (att + " is not avalid double number or " +
"is out of range.");
}
current_function.AppendFormat ("\t\t\t__ctrl.{0} = {1};\n", var_name, value);
}
else if (prop_type == typeof (System.Drawing.Color)){
Color c;
try {
c = (Color) TypeDescriptor.GetConverter (typeof (Color)).ConvertFromString (att);
} catch (Exception e){
throw new ApplicationException ("Color " + att + " is not a valid color.", e);
}
// Should i also test for IsSystemColor?
// Are KnownColor members in System.Drawing.Color?
if (c.IsKnownColor){
current_function.AppendFormat ("\t\t\t__ctrl.{0} = System.Drawing.Color." +
"{1};\n", var_name, c.Name);
}
else {
current_function.AppendFormat ("\t\t\t__ctrl.{0} = System.Drawing.Color." +
"FromArgb ({1}, {2}, {3}, {4});\n",
var_name, c.A, c.R, c.G, c.B);
}
}
else {
throw new ApplicationException ("Unsupported type in property: " +
prop_type.ToString ());
}
}
private bool ProcessProperties (PropertyInfo prop, string id, TagAttributes att)
{
int hyphen = id.IndexOf ('-');
if (hyphen == -1 && prop.CanWrite == false)
return false;
bool is_processed = false;
bool isDataBound = att.IsDataBound ((string) att [id]);
Type type = prop.PropertyType;
Type style = typeof (System.Web.UI.WebControls.Style);
Type fontinfo = typeof (System.Web.UI.WebControls.FontInfo);
if (0 == String.Compare (prop.Name, id, true)){
AddPropertyCode (type, prop.Name, (string) att [id], isDataBound);
is_processed = true;
} else if ((type == fontinfo || type == style || type.IsSubclassOf (style)) && hyphen != -1){
string prop_field = id.Replace ("-", ".");
string [] parts = prop_field.Split (new char [] {'.'});
if (parts.Length != 2 || 0 != String.Compare (prop.Name, parts [0], true))
return false;
PropertyInfo [] subprops = type.GetProperties ();
foreach (PropertyInfo subprop in subprops){
if (0 != String.Compare (subprop.Name, parts [1], true))
continue;
if (subprop.CanWrite == false)
return false;
bool is_bool = subprop.PropertyType == typeof (bool);
if (!is_bool && att == null){
att [id] = ""; // Font-Size -> Font-Size="" as html
return false;
}
string value;
if (att == null && is_bool)
value = "true"; // Font-Bold <=> Font-Bold="true"
else
value = (string) att [id];
AddPropertyCode (subprop.PropertyType,
prop.Name + "." + subprop.Name,
value, isDataBound);
is_processed = true;
}
}
return is_processed;
}
private void AddCodeForAttributes (Type type, TagAttributes att)
{
EventInfo [] ev_info = type.GetEvents ();
PropertyInfo [] prop_info = type.GetProperties ();
bool is_processed = false;
ArrayList processed = new ArrayList ();
foreach (string id in att.Keys){
if (0 == String.Compare (id, "runat", true) || 0 == String.Compare (id, "id", true))
continue;
if (id.Length > 2 && id.Substring (0, 2).ToUpper () == "ON"){
string id_as_event = id.Substring (2);
foreach (EventInfo ev in ev_info){
if (0 == String.Compare (ev.Name, id_as_event, true)){
current_function.AppendFormat (
"\t\t\t__ctrl.{0} += " +
"new {1} (this.{2});\n",
ev.Name, ev.EventHandlerType, att [id]);
is_processed = true;
break;
}
}
if (is_processed){
is_processed = false;
continue;
}
}
foreach (PropertyInfo prop in prop_info){
is_processed = ProcessProperties (prop, id, att);
if (is_processed)
break;
}
if (is_processed){
is_processed = false;
continue;
}
current_function.AppendFormat ("\t\t\t((System.Web.UI.IAttributeAccessor) __ctrl)." +
"SetAttribute (\"{0}\", \"{1}\");\n",
id, Escape ((string) att [id]));
}
}
private void AddCodeRenderControl (StringBuilder function, int index)
{
function.AppendFormat ("\t\t\tparameterContainer.Controls [{0}]." +
"RenderControl (__output);\n", index);
}
private void AddRenderMethodDelegate (StringBuilder function, string control_id)
{
function.AppendFormat ("\t\t\t__ctrl.SetRenderMethodDelegate (new System.Web." +
"UI.RenderMethod (this.__Render_{0}));\n", control_id);
}
private void AddCodeRenderFunction (string codeRender, string control_id)
{
StringBuilder codeRenderFunction = new StringBuilder ();
codeRenderFunction.AppendFormat ("\t\tprivate void __Render_{0} " +
"(System.Web.UI.HtmlTextWriter __output, " +
"System.Web.UI.Control parameterContainer)\n" +
"\t\t{{\n", control_id);
codeRenderFunction.Append (codeRender);
codeRenderFunction.Append ("\t\t}\n\n");
init_funcs.Append (codeRenderFunction);
}
private void RemoveLiterals (StringBuilder function)
{
string no_literals = Regex.Replace (function.ToString (),
@"\t\t\t__parser.AddParsedSubObject \(" +
@"new System.Web.UI.LiteralControl \(.+\);\n", "");
function.Length = 0;
function.Append (no_literals);
}
private bool FinishControlFunction (string tag_id)
{
if (functions.Count == 0)
throw new ApplicationException ("Unbalanced open/close tags");
if (controls.Count == 0)
return false;
string saved_id = controls.PeekTagID ();
if (0 != String.Compare (saved_id, tag_id, true))
return false;
StringBuilder old_function = (StringBuilder) functions.Pop ();
current_function = (StringBuilder) functions.Peek ();
string control_id = controls.PeekControlID ();
Type control_type = controls.PeekType ();
bool hasDataBindFunction = controls.HasDataBindFunction ();
if (hasDataBindFunction)
old_function.AppendFormat ("\t\t\t__ctrl.DataBinding += new System.EventHandler " +
"(this.__DataBind_{0});\n", control_id);
bool useCodeRender = controls.UseCodeRender;
if (useCodeRender)
AddRenderMethodDelegate (old_function, control_id);
if (control_type == typeof (System.Web.UI.ITemplate)){
old_function.Append ("\n\t\t}\n\n");
current_function.AppendFormat ("\t\t\t__ctrl.{0} = new System.Web.UI." +
"CompiledTemplateBuilder (new System.Web.UI." +
"BuildTemplateMethod (this.__BuildControl_{1}));\n",
saved_id, control_id);
}
else if (control_type == typeof (System.Web.UI.WebControls.DataGridColumnCollection)){
old_function.Append ("\n\t\t}\n\n");
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} (__ctrl.{1});\n",
control_id, saved_id);
}
else if (control_type == typeof (System.Web.UI.WebControls.DataGridColumn) ||
control_type.IsSubclassOf (typeof (System.Web.UI.WebControls.DataGridColumn)) ||
control_type == typeof (System.Web.UI.WebControls.ListItem)){
old_function.Append ("\n\t\t}\n\n");
string parsed = "";
string ctrl_name = "ctrl";
if (controls.Container == typeof (System.Web.UI.HtmlControls.HtmlSelect)){
parsed = "ParsedSubObject";
ctrl_name = "parser";
}
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} ();\n" +
"\t\t\t__{1}.Add{2} (this.{0});\n\n",
control_id, ctrl_name, parsed);
}
else if (controls.PeekChildKind () == ChildrenKind.LISTITEM){
old_function.Append ("\n\t\t}\n\n");
init_funcs.Append (old_function); // Closes the BuildList function
old_function = (StringBuilder) functions.Pop ();
current_function = (StringBuilder) functions.Peek ();
old_function.AppendFormat ("\n\t\t\tthis.__BuildControl_{0} (__ctrl.{1});\n\t\t\t" +
"return __ctrl;\n\t\t}}\n\n",
control_id, controls.PeekDefaultPropertyName ());
controls.Pop ();
control_id = controls.PeekControlID ();
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} ();\n\t\t\t__parser." +
"AddParsedSubObject (this.{0});\n\n", control_id);
}
else {
old_function.Append ("\n\t\t\treturn __ctrl;\n\t\t}\n\n");
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} ();\n\t\t\t__parser." +
"AddParsedSubObject (this.{0});\n\n", control_id);
}
if (useCodeRender)
RemoveLiterals (old_function);
init_funcs.Append (old_function);
if (useCodeRender)
AddCodeRenderFunction (controls.CodeRenderFunction.ToString (), control_id);
if (hasDataBindFunction){
StringBuilder db_function = controls.DataBindFunction;
db_function.Append ("\t\t}\n\n");
init_funcs.Append (db_function);
}
// Avoid getting empty stacks for unbalanced open/close tags
if (controls.Count > 1){
controls.Pop ();
AddCodeRenderControl (controls.CodeRenderFunction, controls.ChildIndex);
}
return true;
}
private void ProcessHtmlControlTag ()
{
HtmlControlTag html_ctrl = (HtmlControlTag) elements.Current;
if (html_ctrl.TagID.ToUpper () == "SCRIPT"){
//FIXME: if the is script is to be read from disk, do it!
if (html_ctrl.SelfClosing)
throw new ApplicationException ("Read script from file not supported yet.");
if (elements.MoveNext () == false)
throw new ApplicationException ("Error after " + html_ctrl.ToString ());
if (elements.Current is PlainText){
script.Append (((PlainText) elements.Current).Text);
if (!elements.MoveNext ())
throw new ApplicationException ("Error after " +
elements.Current.ToString ());
}
if (elements.Current is CloseTag)
elements.MoveNext ();
return;
}
Type controlType = html_ctrl.ControlType;
declarations.AppendFormat ("\t\tprotected {0} {1};\n", controlType, html_ctrl.ControlID);
ChildrenKind children_kind;
if (0 != String.Compare (html_ctrl.TagID, "select", true))
children_kind = html_ctrl.IsContainer ? ChildrenKind.CONTROLS :
ChildrenKind.NONE;
else
children_kind = ChildrenKind.OPTION;
NewControlFunction (html_ctrl.TagID, html_ctrl.ControlID, controlType, children_kind, null);
current_function.AppendFormat ("\t\t\t__ctrl.ID = \"{0}\";\n", html_ctrl.ControlID);
AddCodeForAttributes (html_ctrl.ControlType, html_ctrl.Attributes);
if (!html_ctrl.SelfClosing)
JustDoIt ();
else
FinishControlFunction (html_ctrl.TagID);
}
// Closing is performed in FinishControlFunction ()
private void NewBuildListFunction (AspComponent component)
{
string control_id = Tag.GetDefaultID ();
controls.Push (component.ComponentType,
control_id,
component.TagID,
ChildrenKind.LISTITEM,
component.DefaultPropertyName);
current_function = new StringBuilder ();
functions.Push (current_function);
current_function.AppendFormat ("\t\tprivate void __BuildControl_{0} " +
"(System.Web.UI.WebControls.ListItemCollection __ctrl)\n" +
"\t\t{{\n", control_id);
}
private void ProcessComponent ()
{
AspComponent component = (AspComponent) elements.Current;
Type component_type = component.ComponentType;
declarations.AppendFormat ("\t\tprotected {0} {1};\n", component_type, component.ControlID);
NewControlFunction (component.TagID, component.ControlID, component_type,
component.ChildrenKind, component.DefaultPropertyName);
if (component_type.IsSubclassOf (typeof (System.Web.UI.UserControl)))
current_function.Append ("\t\t\t__ctrl.InitializeAsUserControl (Page);\n");
if (component_type.IsSubclassOf (typeof (System.Web.UI.Control)))
current_function.AppendFormat ("\t\t\t__ctrl.ID = \"{0}\";\n", component.ControlID);
AddCodeForAttributes (component.ComponentType, component.Attributes);
if (component.ChildrenKind == ChildrenKind.LISTITEM)
NewBuildListFunction (component);
if (!component.SelfClosing)
JustDoIt ();
else
FinishControlFunction (component.TagID);
}
private void ProcessServerObjectTag ()
{
ServerObjectTag obj = (ServerObjectTag) elements.Current;
declarations.AppendFormat ("\t\tprivate {0} cached{1};\n", obj.ObjectClass, obj.ObjectID);
constructor.AppendFormat ("\n\t\tprivate {0} {1}\n\t\t{{\n\t\t\tget {{\n\t\t\t\t" +
"if (this.cached{1} == null)\n\t\t\t\t\tthis.cached{1} = " +
"new {0} ();\n\t\t\t\treturn cached{1};\n\t\t\t}}\n\t\t}}\n\n",
obj.ObjectClass, obj.ObjectID);
}
// Creates a new function that sets the values of subproperties.
private void NewStyleFunction (PropertyTag tag)
{
current_function = new StringBuilder ();
string prop_id = tag.PropertyID;
Type prop_type = tag.PropertyType;
// begin function
current_function.AppendFormat ("\t\tprivate void __BuildControl_{0} ({1} __ctrl)\n" +
"\t\t{{\n", prop_id, prop_type);
// Add property initialization code
PropertyInfo [] subprop_info = prop_type.GetProperties ();
TagAttributes att = tag.Attributes;
string subprop_name = null;
foreach (string id in att.Keys){
if (0 == String.Compare (id, "runat", true) || 0 == String.Compare (id, "id", true))
continue;
bool is_processed = false;
foreach (PropertyInfo subprop in subprop_info){
is_processed = ProcessProperties (subprop, id, att);
if (is_processed){
subprop_name = subprop.Name;
break;
}
}
if (subprop_name == null)
throw new ApplicationException ("Property " + tag.TagID + " does not have " +
"a " + id + " subproperty.");
}
// Finish function
current_function.Append ("\n\t\t}\n\n");
init_funcs.Append (current_function);
current_function = (StringBuilder) functions.Peek ();
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} (__ctrl.{1});\n",
prop_id, tag.PropertyName);
if (!tag.SelfClosing){
// Next tag should be the closing tag
controls.Push (null, null, null, ChildrenKind.NONE, null);
bool closing_tag_found = false;
Element elem;
while (!closing_tag_found && elements.MoveNext ()){
elem = (Element) elements.Current;
if (elem is PlainText)
ProcessPlainText ();
else if (!(elem is CloseTag))
throw new ApplicationException ("Tag " + tag.TagID +
" not properly closed.");
else
closing_tag_found = true;
}
if (!closing_tag_found)
throw new ApplicationException ("Tag " + tag.TagID + " not properly closed.");
controls.Pop ();
}
}
// This one just opens the function. Closing is performed in FinishControlFunction ()
private void NewTemplateFunction (PropertyTag tag)
{
/*
* FIXME
* This function does almost the same as NewControlFunction.
* Consider merging.
*/
string prop_id = tag.PropertyID;
Type prop_type = tag.PropertyType;
string tag_id = tag.PropertyName; // Real property name used in FinishControlFunction
controls.Push (prop_type, prop_id, tag_id, ChildrenKind.CONTROLS, null);
current_function = new StringBuilder ();
functions.Push (current_function);
current_function.AppendFormat ("\t\tprivate void __BuildControl_{0} " +
"(System.Web.UI.Control __ctrl)\n" +
"\t\t{{\n" +
"\t\t\tSystem.Web.UI.IParserAccessor __parser " +
"= (System.Web.UI.IParserAccessor) __ctrl;\n" , prop_id);
}
// Closing is performed in FinishControlFunction ()
private void NewDBColumnFunction (PropertyTag tag)
{
/*
* FIXME
* This function also does almost the same as NewControlFunction.
* Consider merging.
*/
string prop_id = tag.PropertyID;
Type prop_type = tag.PropertyType;
string tag_id = tag.PropertyName; // Real property name used in FinishControlFunction
controls.Push (prop_type, prop_id, tag_id, ChildrenKind.DBCOLUMNS, null);
current_function = new StringBuilder ();
functions.Push (current_function);
current_function.AppendFormat ("\t\tprivate void __BuildControl_{0} " +
"(System.Web.UI.WebControl.DataGridColumnCollection __ctrl)\n" +
"\t\t{{\n", prop_id);
}
private void NewPropertyFunction (PropertyTag tag)
{
if (tag.PropertyType == typeof (System.Web.UI.WebControls.Style) ||
tag.PropertyType.IsSubclassOf (typeof (System.Web.UI.WebControls.Style)))
NewStyleFunction (tag);
else if (tag.PropertyType == typeof (System.Web.UI.ITemplate))
NewTemplateFunction (tag);
else if (tag.PropertyType == typeof (System.Web.UI.WebControls.DataGridColumnCollection))
NewDBColumnFunction (tag);
else
throw new ApplicationException ("Other than Style and ITemplate not supported yet. " +
tag.PropertyType);
}
private void ProcessHtmlTag ()
{
Tag tag = (Tag) elements.Current;
ChildrenKind child_kind = controls.PeekChildKind ();
if (child_kind == ChildrenKind.NONE){
string tag_id = controls.PeekTagID ();
throw new ApplicationException (tag + " not allowed inside " + tag_id);
}
if (child_kind == ChildrenKind.OPTION){
if (0 != String.Compare (tag.TagID, "option", true))
throw new ApplicationException ("Only <option> tags allowed inside <select>.");
string default_id = Tag.GetDefaultID ();
Type type = typeof (System.Web.UI.WebControls.ListItem);
declarations.AppendFormat ("\t\tprotected {0} {1};\n", type, default_id);
NewControlFunction (tag.TagID, default_id, type, ChildrenKind.CONTROLS, null);
return;
}
if (child_kind == ChildrenKind.CONTROLS){
elements.Current = new PlainText (((Tag) elements.Current).PlainHtml);
ProcessPlainText ();
return;
}
// Now child_kind should be PROPERTIES, so only allow tag_id == property
Type control_type = controls.PeekType ();
PropertyInfo [] prop_info = control_type.GetProperties ();
bool is_processed = false;
foreach (PropertyInfo prop in prop_info){
if (0 == String.Compare (prop.Name, tag.TagID, true)){
PropertyTag prop_tag = new PropertyTag (tag, prop.PropertyType, prop.Name);
NewPropertyFunction (prop_tag);
is_processed = true;
break;
}
}
if (!is_processed){
string tag_id = controls.PeekTagID ();
throw new ApplicationException (tag.TagID + " is not a property of " + control_type);
}
}
private Tag Map (Tag tag)
{
int pos = tag.TagID.IndexOf (":");
if (tag is CloseTag ||
((tag.Attributes == null ||
!tag.Attributes.IsRunAtServer ()) && pos == -1))
return tag;
if (pos == -1){
if (0 == String.Compare (tag.TagID, "object", true))
return new ServerObjectTag (tag);
return new HtmlControlTag (tag);
}
string foundry_name = tag.TagID.Substring (0, pos);
string component_name = tag.TagID.Substring (pos + 1);
if (Foundry.LookupFoundry (foundry_name) == false)
throw new ApplicationException ("Cannot find foundry for alias'" + foundry_name + "'");
AspComponent component = Foundry.MakeAspComponent (foundry_name, component_name, tag);
if (component == null)
throw new ApplicationException ("Cannot find component '" + component_name +
"' for alias '" + foundry_name + "'");
return component;
}
private void ProcessCloseTag ()
{
CloseTag close_tag = (CloseTag) elements.Current;
if (FinishControlFunction (close_tag.TagID))
return;
elements.Current = new PlainText (close_tag.PlainHtml);
ProcessPlainText ();
}
private void ProcessDataBindingLiteral ()
{
DataBindingTag dataBinding = (DataBindingTag) elements.Current;
string actual_value = dataBinding.Data;
if (actual_value == "")
throw new ApplicationException ("Empty data binding tag.");
if (controls.PeekChildKind () != ChildrenKind.CONTROLS)
throw new ApplicationException ("Data bound content not allowed for " +
controls.PeekTagID ());
StringBuilder db_function = new StringBuilder ();
string control_id = Tag.GetDefaultID ();
string control_type_string = "System.Web.UI.DataBoundLiteralControl";
declarations.AppendFormat ("\t\tprotected {0} {1};\n", control_type_string, control_id);
// Build the control
db_function.AppendFormat ("\t\tprivate System.Web.UI.Control __BuildControl_{0} ()\n" +
"\t\t{{\n\t\t\t{1} __ctrl;\n\n" +
"\t\t\t__ctrl = new {1} (0, 1);\n" +
"\t\t\tthis.{0} = __ctrl;\n" +
"\t\t\t__ctrl.DataBinding += new System.EventHandler " +
"(this.__DataBind_{0});\n" +
"\t\t\treturn __ctrl;\n"+
"\t\t}}\n\n",
control_id, control_type_string);
// DataBinding handler
db_function.AppendFormat ("\t\tpublic void __DataBind_{0} (object sender, " +
"System.EventArgs e) {{\n" +
"\t\t\t{1} Container;\n" +
"\t\t\t{2} target;\n" +
"\t\t\ttarget = ({2}) sender;\n" +
"\t\t\tContainer = ({1}) target.BindingContainer;\n" +
"\t\t\ttarget.SetDataBoundString (0, System.Convert." +
"ToString ({3}));\n" +
"\t\t}}\n\n",
control_id, controls.Container, control_type_string,
actual_value);
init_funcs.Append (db_function);
current_function.AppendFormat ("\t\t\tthis.__BuildControl_{0} ();\n\t\t\t__parser." +
"AddParsedSubObject (this.{0});\n\n", control_id);
}
private void ProcessCodeRenderTag ()
{
CodeRenderTag code_tag = (CodeRenderTag) elements.Current;
controls.UseCodeRender = true;
if (code_tag.IsVarName)
controls.CodeRenderFunction.AppendFormat ("\t\t\t__output.Write ({0});\n",
code_tag.Code);
else
controls.CodeRenderFunction.AppendFormat ("\t\t\t{0}\n", code_tag.Code);
}
public void ProcessElements ()
{
JustDoIt ();
End ();
parse_ok = true;
}
private void JustDoIt ()
{
Element element;
while (elements.MoveNext ()){
element = (Element) elements.Current;
if (element is Directive){
ProcessDirective ();
} else if (element is PlainText){
ProcessPlainText ();
} else if (element is DataBindingTag){
ProcessDataBindingLiteral ();
} else if (element is CodeRenderTag){
ProcessCodeRenderTag ();
} else {
elements.Current = Map ((Tag) element);
if (elements.Current is HtmlControlTag)
ProcessHtmlControlTag ();
else if (elements.Current is AspComponent)
ProcessComponent ();
else if (elements.Current is CloseTag)
ProcessCloseTag ();
else if (elements.Current is ServerObjectTag)
ProcessServerObjectTag ();
else if (elements.Current is Tag)
ProcessHtmlTag ();
else
throw new ApplicationException ("This place should not be reached.");
}
}
}
private void End ()
{
classDecl = "\tpublic class " + className + " : " + parent + interfaces + " {\n";
prolog.Append ("\n" + classDecl);
declarations.Append ("\t\tprivate static bool __intialized = false;\n\n");
if (!IsUserControl)
declarations.Append ("\t\tprivate static ArrayList __fileDependencies;\n\n");
// adds the constructor
constructor.AppendFormat ("\t\tpublic {0} ()\n\t\t{{\n" +
"\t\t\tSystem.Collections.ArrayList dependencies;\n\n" +
"\t\t\tif (ASP.{0}.__intialized == false){{\n", className);
if (!IsUserControl) {
constructor.AppendFormat ("\t\t\t\tdependencies = new System.Collections.ArrayList ();\n" +
"\t\t\t\tdependencies.Add (@\"{1}\");\n" +
"\t\t\t\tASP.{0}.__fileDependencies = dependencies;\n",
className, fullPath);
}
constructor.AppendFormat ("\t\t\t\tASP.{0}.__intialized = true;\n\t\t\t}}\n\t\t}}\n\n",
className);
//FIXME: add AutoHandlers: don't know what for...yet!
constructor.AppendFormat (
"\t\tprotected override int AutoHandlers\n\t\t{{\n" +
"\t\t\tget {{ return ASP.{0}.__autoHandlers; }}\n" +
"\t\t\tset {{ ASP.{0}.__autoHandlers = value; }}\n" +
"\t\t}}\n\n", className);
//FIXME: add ApplicationInstance: don't know what for...yet!
constructor.Append (
"\t\tprotected System.Web.HttpApplication ApplicationInstance\n\t\t{\n" +
"\t\t\tget { return (System.Web.HttpApplication) this.Context.ApplicationInstance; }\n" +
"\t\t}\n\n");
//FIXME: add TemplateSourceDirectory: don't know what for...yet!
//FIXME: it should be the path from the root where the file resides
constructor.Append (
"\t\tpublic override string TemplateSourceDirectory\n\t\t{\n" +
"\t\t\tget { return \"/dummypath\"; }\n" +
"\t\t}\n\n");
epilog.Append ("\n\t\tprotected override void FrameworkInitialize ()\n\t\t{\n" +
"\t\t\tthis.__BuildControlTree (this);\n");
if (!IsUserControl) {
epilog.AppendFormat ("\t\t\tthis.FileDependencies = ASP.{0}.__fileDependencies;\n" +
"\t\t\tthis.EnableViewStateMac = true;\n", className);
}
epilog.Append ("\t\t}\n\n");
if (!IsUserControl) {
Random rnd = new Random ();
epilog.AppendFormat ("\t\tpublic override int GetTypeHashCode ()\n\t\t{{\n" +
"\t\t\treturn {0};\n" +
"\t\t}}\n", rnd.Next ());
}
epilog.Append ("\t}\n}\n");
// Closes the currently opened tags
StringBuilder old_function = current_function;
string control_id;
while (functions.Count > 1){
old_function.Append ("\n\t\t\treturn __ctrl;\n\t\t}\n\n");
init_funcs.Append (old_function);
control_id = controls.PeekControlID ();
FinishControlFunction (control_id);
controls.AddChild ();
old_function = (StringBuilder) functions.Pop ();
current_function = (StringBuilder) functions.Peek ();
controls.Pop ();
}
bool useCodeRender = controls.UseCodeRender;
if (useCodeRender){
RemoveLiterals (current_function);
AddRenderMethodDelegate (current_function, controls.PeekControlID ());
}
current_function.Append ("\t\t}\n\n");
init_funcs.Append (current_function);
if (useCodeRender)
AddCodeRenderFunction (controls.CodeRenderFunction.ToString (), controls.PeekControlID ());
functions.Pop ();
}
//
// Functions related to compilation of user controls
//
private static char dirSeparator = Path.DirectorySeparatorChar;
struct UserControlData
{
public UserControlResult result;
public string className;
public string assemblyName;
}
private static UserControlData GenerateUserControl (string src)
{
UserControlData data = new UserControlData ();
data.result = UserControlResult.OK;
if (!File.Exists (src)) {
data.result = UserControlResult.FileNotFound;
return data;
}
string csName = Path.GetTempFileName () + ".cs";
string dll = Path.ChangeExtension (csName, ".dll");
UserControlCompiler compiler = new UserControlCompiler (new UserControlParser (src), csName);
Type t = compiler.GetCompiledType ();
if (t == null) {
data.result = UserControlResult.CompilationFailed;
return data;
}
data.className = t.FullName;
data.assemblyName = dll;
return data;
}
}
}
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