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JUCE/extras/Jucer (experimental)/Source/model/Component/jucer_CodeGenerator.cpp

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17 KiB
C++

/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-10 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online at www.gnu.org/licenses.
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
#include "jucer_CodeGenerator.h"
//==============================================================================
CodeGenerator::CodeGenerator()
{
}
CodeGenerator::~CodeGenerator()
{
}
int CodeGenerator::getUniqueSuffix()
{
return ++suffix;
}
//==============================================================================
void CodeGenerator::addPrivateMember (const String& type, const String& name)
{
privateMemberDeclarations << type << " " << name << ";" << newLine;
}
//==============================================================================
String& CodeGenerator::getCallbackCode (const String& requiredParentClass,
const String& returnType,
const String& prototype,
const bool hasPrePostUserSections)
{
String parentClass (requiredParentClass);
if (parentClass.isNotEmpty()
&& ! (parentClass.startsWith ("public ")
|| parentClass.startsWith ("private ")
|| parentClass.startsWith ("protected ")))
{
parentClass = "public " + parentClass;
}
for (int i = callbacks.size(); --i >= 0;)
{
CallbackMethod* const cm = callbacks.getUnchecked(i);
if (cm->requiredParentClass == parentClass
&& cm->returnType == returnType
&& cm->prototype == prototype)
return cm->content;
}
CallbackMethod* const cm = new CallbackMethod();
callbacks.add (cm);
cm->requiredParentClass = parentClass;
cm->returnType = returnType;
cm->prototype = prototype;
cm->hasPrePostUserSections = hasPrePostUserSections;
return cm->content;
}
void CodeGenerator::removeCallback (const String& returnType, const String& prototype)
{
for (int i = callbacks.size(); --i >= 0;)
{
CallbackMethod* const cm = callbacks.getUnchecked(i);
if (cm->returnType == returnType && cm->prototype == prototype)
callbacks.remove (i);
}
}
const StringArray CodeGenerator::getExtraParentClasses() const
{
StringArray s;
for (int i = 0; i < callbacks.size(); ++i)
{
CallbackMethod* const cm = callbacks.getUnchecked(i);
s.add (cm->requiredParentClass);
}
return s;
}
const String CodeGenerator::getCallbackDeclarations() const
{
String s;
for (int i = 0; i < callbacks.size(); ++i)
{
CallbackMethod* const cm = callbacks.getUnchecked(i);
s << cm->returnType << " " << cm->prototype << ";" << newLine;
}
return s;
}
const String CodeGenerator::getCallbackDefinitions() const
{
String s;
for (int i = 0; i < callbacks.size(); ++i)
{
CallbackMethod* const cm = callbacks.getUnchecked(i);
const String userCodeBlockName ("User" + CodeHelpers::makeValidIdentifier (cm->prototype.upToFirstOccurrenceOf ("(", false, false),
true, true, false).trim());
if (userCodeBlockName.isNotEmpty() && cm->hasPrePostUserSections)
{
s << cm->returnType << " " << className << "::" << cm->prototype
<< newLine
<< "{" << newLine
<< " //[" << userCodeBlockName << "_Pre]" << newLine
<< " //[/" << userCodeBlockName
<< "_Pre]" << newLine << newLine
<< " " << CodeHelpers::indent (cm->content.trim(), 4, false) << newLine
<< newLine
<< " //[" << userCodeBlockName << "_Post]" << newLine
<< " //[/" << userCodeBlockName << "_Post]" << newLine
<< "}" << newLine
<< newLine;
}
else
{
s << cm->returnType << " " << className << "::" << cm->prototype << newLine
<< "{" << newLine
<< " " << CodeHelpers::indent (cm->content.trim(), 4, false) << newLine
<< "}" << newLine
<< newLine;
}
}
return s;
}
//==============================================================================
const String CodeGenerator::getClassDeclaration() const
{
StringArray parentClassLines;
parentClassLines.addTokens (parentClasses, ",", String::empty);
parentClassLines.addArray (getExtraParentClasses());
parentClassLines.trim();
parentClassLines.removeEmptyStrings();
parentClassLines.removeDuplicates (false);
if (parentClassLines.contains ("public Button", false))
parentClassLines.removeString ("public Component", false);
String r;
r << "class " << className << " : ";
r << parentClassLines.joinIntoString ("," + String (newLine) + String::repeatedString (" ", r.length()));
return r;
}
const String CodeGenerator::getInitialiserList() const
{
String s;
StringArray inits (memberInitialisers);
if (parentClassInitialiser.isNotEmpty())
inits.insert (0, parentClassInitialiser);
inits.trim();
inits.removeEmptyStrings();
inits.removeDuplicates (false);
if (inits.size() > 0)
{
s << " : ";
for (int i = 0; i < inits.size(); ++i)
{
String init (inits[i]);
while (init.endsWithChar (','))
init = init.dropLastCharacters (1);
s << init;
if (i < inits.size() - 1)
s << "," << newLine << " ";
else
s << newLine;
}
}
return s;
}
static const String getIncludeFileCode (StringArray files)
{
files.trim();
files.removeEmptyStrings();
files.removeDuplicates (false);
String s;
for (int i = 0; i < files.size(); ++i)
s << "#include \"" << files[i] << "\"" << newLine;
return s;
}
//==============================================================================
static void replaceTemplate (String& text, const String& itemName, const String& value, bool indent = true)
{
for (;;)
{
const int index = text.indexOf ("%%" + itemName + "%%");
if (index < 0)
break;
int indentLevel = 0;
if (indent)
{
for (int i = index; --i >= 0;)
{
if (text[i] == '\n')
break;
++indentLevel;
}
}
text = text.replaceSection (index, itemName.length() + 4, CodeHelpers::indent (value, indentLevel, false));
}
}
//==============================================================================
void CodeGenerator::applyToCode (String& code, const File& targetFile,
bool isForPreview, Project* project) const
{
replaceTemplate (code, "juceVersion", SystemStats::getJUCEVersion());
replaceTemplate (code, "headerGuard", CodeHelpers::makeHeaderGuardName (targetFile));
replaceTemplate (code, "className", className);
replaceTemplate (code, "constructorParams", constructorParams);
replaceTemplate (code, "initialisers", getInitialiserList());
replaceTemplate (code, "classDeclaration", getClassDeclaration());
replaceTemplate (code, "privateMemberDeclarations", privateMemberDeclarations);
replaceTemplate (code, "publicMemberDeclarations", getCallbackDeclarations() + newLine + publicMemberDeclarations);
replaceTemplate (code, "methodDefinitions", getCallbackDefinitions());
if (project != 0)
replaceTemplate (code, "defaultJuceInclude", CodeHelpers::createIncludeStatement (project->getAppIncludeFile(), targetFile));
else
replaceTemplate (code, "defaultJuceInclude", "#include \"juce_amalgamated.h\"");
replaceTemplate (code, "includeFilesH", getIncludeFileCode (includeFilesH));
replaceTemplate (code, "includeFilesCPP", getIncludeFileCode (includeFilesCPP));
replaceTemplate (code, "constructor", constructorCode);
replaceTemplate (code, "destructor", destructorCode);
if (! isForPreview)
{
replaceTemplate (code, "metadata", jucerMetadata);
replaceTemplate (code, "staticMemberDefinitions", staticMemberDefinitions);
}
else
{
replaceTemplate (code, "metadata", " << Metadata isn't shown in the code preview >>" + String (newLine));
replaceTemplate (code, "staticMemberDefinitions", "// Static member declarations and resources would go here... (these aren't shown in the code preview)");
}
/*{
MemoryOutputStream compDataCpp;
CodeHelpers::writeDataAsCppLiteral (componentStateData, compDataCpp);
replaceTemplate (code, "statedata", compDataCpp.toUTF8(), false);
replaceTemplate (code, "statedatasize", String ((int) componentStateData.getSize()));
}*/
}
//==============================================================================
CodeGenerator::CustomCodeList::Iterator::Iterator (const String& documentText, CustomCodeList& customCode_)
: customCode (customCode_), i (0), codeDocument (0)
{
lines.addLines (documentText);
}
CodeGenerator::CustomCodeList::Iterator::~Iterator()
{
}
bool CodeGenerator::CustomCodeList::Iterator::next()
{
textBefore = String::empty;
textAfter = String::empty;
while (i < lines.size())
{
textBefore += lines[i] + "\n";
if (lines[i].trimStart().startsWith ("//["))
{
String tag (lines[i].trimStart().substring (3));
tag = tag.upToFirstOccurrenceOf ("]", false, false).trim();
if (! (tag.isEmpty() || tag.startsWithChar ('/')))
{
const int endLine = indexOfLineStartingWith (lines, "//[/" + tag + "]", i + 1);
if (endLine > i)
{
sectionName = tag;
codeDocument = customCode.getDocumentFor (tag, true);
i = endLine;
bool isLastTag = true;
for (int j = i + 1; j < lines.size(); ++j)
{
if (lines[j].trimStart().startsWith ("//["))
{
isLastTag = false;
break;
}
}
if (isLastTag)
{
textAfter = lines.joinIntoString (newLine, i, lines.size() - i);
i = lines.size();
}
return true;
}
}
}
++i;
}
return false;
}
//==============================================================================
CodeGenerator::CustomCodeList::CustomCodeList()
{
}
CodeGenerator::CustomCodeList::~CustomCodeList()
{
}
void CodeGenerator::CustomCodeList::reloadFrom (const String& fileContent)
{
StringArray newNames;
ReferenceCountedArray<CodeDocumentRef> newContent;
StringArray lines;
lines.addLines (fileContent);
for (int i = 0; i < lines.size(); ++i)
{
if (lines[i].trimStart().startsWith ("//["))
{
String tag (lines[i].trimStart().substring (3));
tag = tag.upToFirstOccurrenceOf ("]", false, false).trim();
jassert (! (tag.isEmpty() || tag.startsWithChar ('/')));
if (! (tag.isEmpty() || tag.startsWithChar ('/')))
{
const int endLine = indexOfLineStartingWith (lines, "//[/" + tag + "]", i + 1);
if (endLine > i)
{
String content (lines.joinIntoString (newLine, i + 1, endLine - i - 1));
newNames.add (tag);
CodeDocumentRef::Ptr doc (getDocumentFor (tag, false));
if (doc == 0)
{
doc = new CodeDocumentRef();
doc->getDocument().replaceAllContent (content);
doc->getDocument().clearUndoHistory();
doc->getDocument().setSavePoint();
}
newContent.add (doc);
i = endLine;
}
}
}
}
sectionNames = newNames;
sectionContent = newContent;
sendSynchronousChangeMessage (this);
}
void CodeGenerator::CustomCodeList::applyTo (String& fileContent) const
{
StringArray lines;
lines.addLines (fileContent);
for (int i = 0; i < lines.size(); ++i)
{
if (lines[i].trimStart().startsWith ("//["))
{
String tag (lines[i].trimStart().substring (3));
tag = tag.upToFirstOccurrenceOf ("]", false, false);
jassert (! tag.startsWithChar ('/'));
if (! tag.startsWithChar ('/'))
{
const int endLine = indexOfLineStartingWith (lines, "//[/" + tag + "]", i + 1);
if (endLine > i)
{
StringArray sourceLines;
sourceLines.addLines (getSectionContent (tag));
if (sourceLines.size() > 0)
{
lines.removeRange (i + 1, endLine - i - 1);
for (int j = 0; j < sourceLines.size(); ++j)
lines.insert (++i, sourceLines [j].trimEnd());
++i;
}
else
{
i = endLine;
}
}
}
}
lines.set (i, lines[i].trimEnd());
}
if (lines[lines.size() - 1].isNotEmpty())
lines.add (String::empty);
fileContent = lines.joinIntoString (newLine);
}
bool CodeGenerator::CustomCodeList::needsSaving() const
{
for (int i = sectionContent.size(); --i >= 0;)
if (sectionContent.getUnchecked(i)->getDocument().hasChangedSinceSavePoint())
return true;
return false;
}
int CodeGenerator::CustomCodeList::getNumSections() const
{
return sectionNames.size();
}
const String CodeGenerator::CustomCodeList::getSectionName (int index) const
{
return sectionNames [index];
}
const CodeGenerator::CustomCodeList::CodeDocumentRef::Ptr CodeGenerator::CustomCodeList::getDocument (int index) const
{
return sectionContent [index];
}
const CodeGenerator::CustomCodeList::CodeDocumentRef::Ptr CodeGenerator::CustomCodeList::getDocumentFor (const String& sectionName, bool createIfNotFound)
{
const int index = sectionNames.indexOf (sectionName);
if (index >= 0)
return sectionContent [index];
if (createIfNotFound)
{
sectionNames.add (sectionName);
const CodeDocumentRef::Ptr doc (new CodeDocumentRef());
sectionContent.add (doc);
return doc;
}
return 0;
}
const String CodeGenerator::CustomCodeList::getSectionContent (const String& sectionName) const
{
const int index = sectionNames.indexOf (sectionName);
if (index >= 0)
return sectionContent[index]->getDocument().getAllContent();
return String::empty;
}
void CodeGenerator::CustomCodeList::removeSection (const String& sectionName)
{
const int index = sectionNames.indexOf (sectionName);
if (index >= 0)
{
sectionNames.remove (index);
sectionContent.remove (index);
}
}