public override CodeCompileUnit Parse(TextReader codeStream)
{
//
string mainFilePath = GetFilePath();
// Are we are from the Designer ?
var ddtr = codeStream as DocDataTextReader;
if (ddtr != null)
{
this.FileName = mainFilePath;
// Do the parse
// If the TextReader is a DocDataTextReader, we should be running from VisualStudio, called by the designer
// So, we will guess the FileName to check if we have a .Designer.boo file at the same place.
// If so, we will have to build both .boo files to produce the CodeCompileUnit
// Now, we should check if we have a partial Class inside, if so, that's a Candidate for .Designer.boo
// Ok, so get the Filename, to get the companion file
var dd = ((IServiceProvider)ddtr).GetService(typeof(DocData)) as DocData;
String ddFileName = dd.Name;
// Build the Designer FileName
var baseIsDesignForm = ddFileName.EndsWith(".Designer.boo");
String companionFile = baseIsDesignForm
? BooCodeDomHelper.BuildNonDesignerFileName(ddFileName)
: BooCodeDomHelper.BuildDesignerFileName(ddFileName);
if (File.Exists(companionFile))
{
// Ok, we have a candidate !!!
DocData docdata = new DocData(ddtr, companionFile);
DocDataTextReader reader = new DocDataTextReader(docdata);
// so parse
var result = base.Parse(new TextReader[] { codeStream, reader }, new[] { ddFileName, companionFile });
BooCodeDomHelper.AnnotateCompileUnit(result);
result.UserData[BooCodeDomHelper.USERDATA_HASDESIGNER] = true;
result.UserData[BooCodeDomHelper.USERDATA_FILENAME] = ddFileName;
return(result);
}
}
return(base.Parse(codeStream));
}
// Called by the WinForms designer at save time
public override void GenerateCodeFromCompileUnit(CodeCompileUnit compileUnit, TextWriter writer, CodeGeneratorOptions options)
{
// Does that CodeCompileUnit comes from a "Merged" unit ?
if (compileUnit.UserData.Contains(BooCodeDomHelper.USERDATA_HASDESIGNER))
{
// Retrieve the Form Class
CodeTypeDeclaration designerClass = BooCodeDomHelper.LimitToDesignerClass(compileUnit);
// and retrieve the filename of the prg file
String prgFileName = (string)compileUnit.UserData[BooCodeDomHelper.USERDATA_FILENAME];
// Build the Designer FileName
String designerPrgFile = BooCodeDomHelper.BuildDesignerFileName(prgFileName);
var newMethods = new List <CodeMemberMethod>();
//
// Retrieve Both CodeCompileUnit
// Now, split the members
foreach (CodeTypeMember ctm in designerClass.Members.Cast <CodeTypeMember>().ToArray())
{
var li = ctm.UserData["LexicalInfo"] as LexicalInfo;
// Was it a member that we have found in the original code ?
if (li != null)
{
if (!li.FileName.Equals(designerPrgFile))
{
//This was in the form file
designerClass.Members.Remove(ctm);
}
}
else
{
// This must be a member generated by the Designer !
// So we will move Methods to the Form and all others to the Designer
var cmm = ctm as CodeMemberMethod;
if (cmm != null)
{
newMethods.Add(cmm);
designerClass.Members.Remove(cmm);
}
}
}
if (newMethods.Count > 0)
{
WriteNewMethods(newMethods, designerPrgFile, designerClass.Name);
}
// now, we must save both CodeCompileUnit
// The received TextWriter is pointing to the Form
// so we must create our own TextWriter for the Designer
// First, let's make in Memory
String generatedSource;
MemoryStream inMemory = new MemoryStream();
StreamWriter designerStream = new StreamWriter(inMemory, Encoding.UTF8);
//
base.GenerateCodeFromCompileUnit(compileUnit, designerStream, options);
// and force Flush
designerStream.Flush();
// Reset and read to String
inMemory.Position = 0;
StreamReader reader = new StreamReader(inMemory, Encoding.UTF8, true);
generatedSource = reader.ReadToEnd();
Encoding realencoding = reader.CurrentEncoding;
reader.Close();
designerStream.Close();
// and now write the "real" file
designerStream = new StreamWriter(designerPrgFile, false, realencoding);
designerStream.Write(generatedSource);
designerStream.Flush();
designerStream.Close();
NormalizeLineEndings(designerPrgFile);
/*
* // The problem here, is that we "may" have some new members, like EvenHandlers, and we need to update their position (line/col)
* var parser = CreateParser();
* // parser.TabSize = provider.TabSize;
* // parser.FileName = designerPrgFile;
* CodeCompileUnit resultDesigner = parser.Parse(new StringReader(generatedSource));
* CodeTypeDeclaration resultClass = BooCodeDomHelper.FindDesignerClass(resultDesigner);
* // just to be sure...
* if (resultClass != null)
* {
* // Now push all elements from resultClass to designClass
* designClass.Members.Clear();
* foreach (CodeTypeMember ctm in resultClass.Members)
* {
* ctm.UserData[BooCodeDomHelper.USERDATA_FROMDESIGNER] = true;
* designClass.Members.Add(ctm);
* }
* }
* // Ok,we MUST do the same thing for the Form file
* base.GenerateCodeFromCompileUnit(formCCU, writer, options);
* // BUT, the writer is hold by the Form Designer, don't close it !!
* writer.Flush();
* NormalizeLineEndings(prgFileName);
* // Now, we must re-read it and parse again
* IServiceProvider provider = (DocDataTextWriter)writer;
* DocData docData = (DocData)provider.GetService(typeof(DocData));
* DocDataTextReader ddtr = new DocDataTextReader(docData);
* // Retrieve
* generatedSource = ddtr.ReadToEnd();
* // normalize the line endings
* generatedSource = generatedSource.Replace("\n", "");
* generatedSource = generatedSource.Replace("\r", "\r\n");
* // Don't forget to set the name of the file where the source is...
* resultDesigner = parser.Parse(new StringReader(generatedSource));
* resultClass = BooCodeDomHelper.FindFirstClass(resultDesigner);
* // just to be sure...
* if (resultClass != null)
* {
* // Now push all elements from resultClass to formClass
* formClass.Members.Clear();
* foreach (CodeTypeMember ctm in resultClass.Members)
* {
* ctm.UserData[BooCodeDomHelper.USERDATA_FROMDESIGNER] = false;
* formClass.Members.Add(ctm);
* }
* }
* // Ok, it should be ok....
* // We have updated the file and the types that are stored inside each CCU that have been merged in compileUnit
* //BooCodeDomHelper.MergeCodeCompileUnit(compileUnit, formCCU, designCCU);
* // And update...
* designerClass.Members.Clear();
* foreach (CodeTypeMember m in designClass.Members)
* {
* designerClass.Members.Add(m);
* }
* foreach (CodeTypeMember m in formClass.Members)
* {
* designerClass.Members.Add(m);
* }
*/
}
else
{
// suppress generating the "generated code" header
compileUnit.UserData[BooCodeDomHelper.USERDATA_NOHEADER] = true;
base.GenerateCodeFromCompileUnit(compileUnit, writer, options);
writer.Flush();
// Designer gave us these informations
CodeTypeDeclaration formClass = BooCodeDomHelper.FindFirstClass(compileUnit);
// Now, we must re-read it and parse again
IServiceProvider provider = (DocDataTextWriter)writer;
DocData docData = (DocData)provider.GetService(typeof(DocData));
DocDataTextReader ddtr = new DocDataTextReader(docData);
// Retrieve
string generatedSource = ddtr.ReadToEnd();
var parser = CreateParser();
CodeCompileUnit resultCcu = parser.Parse(new StringReader(generatedSource));
CodeTypeDeclaration resultClass = BooCodeDomHelper.FindFirstClass(resultCcu);
// just to be sure...
if (resultClass != null)
{
// Now push all elements from resultClass to formClass
formClass.Members.Clear();
foreach (CodeTypeMember ctm in resultClass.Members)
{
formClass.Members.Add(ctm);
}
}
}
}