mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
365 lines
11 KiB
C++
365 lines
11 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#include "../jucer_Headers.h"
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#include "jucer_GeneratedCode.h"
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//==============================================================================
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GeneratedCode::GeneratedCode (const JucerDocument* const doc)
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: document (doc), suffix (0)
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{
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}
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GeneratedCode::~GeneratedCode()
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{
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}
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int GeneratedCode::getUniqueSuffix()
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{
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return ++suffix;
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}
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//==============================================================================
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String& GeneratedCode::getCallbackCode (const String& requiredParentClass,
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const String& returnType,
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const String& prototype,
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const bool hasPrePostUserSections)
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{
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String parentClass (requiredParentClass);
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if (parentClass.isNotEmpty()
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&& ! (parentClass.startsWith ("public ")
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|| parentClass.startsWith ("private ")
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|| parentClass.startsWith ("protected ")))
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{
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parentClass = "public " + parentClass;
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}
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for (int i = callbacks.size(); --i >= 0;)
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{
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CallbackMethod* const cm = callbacks.getUnchecked(i);
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if (cm->requiredParentClass == parentClass
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&& cm->returnType == returnType
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&& cm->prototype == prototype)
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return cm->content;
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}
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CallbackMethod* const cm = new CallbackMethod();
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callbacks.add (cm);
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cm->requiredParentClass = parentClass;
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cm->returnType = returnType;
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cm->prototype = prototype;
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cm->hasPrePostUserSections = hasPrePostUserSections;
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return cm->content;
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}
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void GeneratedCode::removeCallback (const String& returnType, const String& prototype)
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{
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for (int i = callbacks.size(); --i >= 0;)
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{
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CallbackMethod* const cm = callbacks.getUnchecked(i);
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if (cm->returnType == returnType && cm->prototype == prototype)
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callbacks.remove (i);
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}
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}
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void GeneratedCode::addImageResourceLoader (const String& imageMemberName, const String& resourceName)
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{
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privateMemberDeclarations
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<< "Image " << imageMemberName << ";\n";
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if (resourceName.isNotEmpty())
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constructorCode << imageMemberName << " = ImageCache::getFromMemory ("
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<< resourceName << ", " << resourceName << "Size);\n";
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}
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StringArray GeneratedCode::getExtraParentClasses() const
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{
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StringArray s;
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for (int i = 0; i < callbacks.size(); ++i)
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{
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CallbackMethod* const cm = callbacks.getUnchecked(i);
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s.add (cm->requiredParentClass);
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}
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return s;
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}
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String GeneratedCode::getCallbackDeclarations() const
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{
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String s;
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for (int i = 0; i < callbacks.size(); ++i)
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{
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CallbackMethod* const cm = callbacks.getUnchecked(i);
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s << cm->returnType << " " << cm->prototype << ";\n";
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}
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return s;
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}
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String GeneratedCode::getCallbackDefinitions() const
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{
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String s;
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for (int i = 0; i < callbacks.size(); ++i)
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{
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CallbackMethod* const cm = callbacks.getUnchecked(i);
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const String userCodeBlockName ("User"
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+ CodeHelpers::makeValidIdentifier (cm->prototype.upToFirstOccurrenceOf ("(", false, false),
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true, true, false).trim());
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if (userCodeBlockName.isNotEmpty() && cm->hasPrePostUserSections)
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{
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s << cm->returnType << " " << className << "::" << cm->prototype
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<< "\n{\n //[" << userCodeBlockName << "_Pre]\n //[/" << userCodeBlockName
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<< "_Pre]\n\n "
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<< CodeHelpers::indent (cm->content.trim(), 4, false)
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<< "\n\n //[" << userCodeBlockName << "_Post]\n //[/" << userCodeBlockName
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<< "_Post]\n}\n\n";
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}
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else
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{
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s << cm->returnType << " " << className << "::" << cm->prototype
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<< "\n{\n "
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<< CodeHelpers::indent (cm->content.trim(), 4, false)
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<< "\n}\n\n";
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}
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}
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return s;
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}
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//==============================================================================
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String GeneratedCode::getClassDeclaration() const
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{
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StringArray parentClassLines;
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parentClassLines.addTokens (parentClasses, ",", String::empty);
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parentClassLines.addArray (getExtraParentClasses());
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parentClassLines.trim();
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parentClassLines.removeEmptyStrings();
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parentClassLines.removeDuplicates (false);
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if (parentClassLines.contains ("public Button", false))
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parentClassLines.removeString ("public Component", false);
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String r ("class ");
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r << className << " : ";
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r += parentClassLines.joinIntoString (",\n" + String::repeatedString (" ", r.length()));
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return r;
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}
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String GeneratedCode::getInitialiserList() const
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{
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StringArray inits (initialisers);
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if (parentClassInitialiser.isNotEmpty())
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inits.insert (0, parentClassInitialiser);
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inits.trim();
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inits.removeEmptyStrings();
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inits.removeDuplicates (false);
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String s;
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if (inits.size() == 0)
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return s;
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s << " : ";
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for (int i = 0; i < inits.size(); ++i)
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{
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String init (inits[i]);
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while (init.endsWithChar (','))
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init = init.dropLastCharacters (1);
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s << init;
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if (i < inits.size() - 1)
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s << ",\n ";
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else
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s << "\n";
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}
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return s;
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}
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static String getIncludeFileCode (StringArray files)
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{
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files.trim();
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files.removeEmptyStrings();
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files.removeDuplicates (false);
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String s;
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for (int i = 0; i < files.size(); ++i)
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s << "#include \"" << files[i] << "\"\n";
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return s;
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}
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//==============================================================================
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static void replaceTemplate (String& text, const String& itemName, const String& value)
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{
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for (;;)
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{
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const int index = text.indexOf ("%%" + itemName + "%%");
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if (index < 0)
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break;
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int indentLevel = 0;
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for (int i = index; --i >= 0;)
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{
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if (text[i] == '\n')
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break;
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++indentLevel;
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}
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text = text.replaceSection (index, itemName.length() + 4,
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CodeHelpers::indent (value, indentLevel, false));
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}
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}
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//==============================================================================
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static bool getUserSection (const StringArray& lines, const String& tag, StringArray& resultLines)
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{
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const int start = indexOfLineStartingWith (lines, "//[" + tag + "]", 0);
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if (start < 0)
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return false;
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const int end = indexOfLineStartingWith (lines, "//[/" + tag + "]", start + 1);
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for (int i = start + 1; i < end; ++i)
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resultLines.add (lines [i]);
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return true;
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}
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static void copyAcrossUserSections (String& dest, const String& src)
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{
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StringArray srcLines, dstLines;
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srcLines.addLines (src);
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dstLines.addLines (dest);
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for (int i = 0; i < dstLines.size(); ++i)
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{
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if (dstLines[i].trimStart().startsWith ("//["))
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{
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String tag (dstLines[i].trimStart().substring (3));
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tag = tag.upToFirstOccurrenceOf ("]", false, false);
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jassert (! tag.startsWithChar ('/'));
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if (! tag.startsWithChar ('/'))
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{
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const int endLine = indexOfLineStartingWith (dstLines,
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"//[/" + tag + "]",
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i + 1);
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if (endLine > i)
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{
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StringArray sourceLines;
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if (getUserSection (srcLines, tag, sourceLines))
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{
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int j;
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for (j = endLine - i; --j > 0;)
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dstLines.remove (i + 1);
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for (j = 0; j < sourceLines.size(); ++j)
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dstLines.insert (++i, sourceLines [j].trimEnd());
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++i;
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}
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else
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{
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i = endLine;
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}
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}
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}
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}
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dstLines.set (i, dstLines[i].trimEnd());
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}
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dest = dstLines.joinIntoString ("\n") + "\n";
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}
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//==============================================================================
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void GeneratedCode::applyToCode (String& code,
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const String& fileNameRoot,
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const bool isForPreview,
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const String& oldFileWithUserData) const
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{
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// header guard..
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String headerGuard ("__JUCE_HEADER_");
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headerGuard << String::toHexString ((className + "xx" + fileNameRoot).hashCode64()).toUpperCase() << "__";
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replaceTemplate (code, "headerGuard", headerGuard);
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replaceTemplate (code, "version", JUCEApplication::getInstance()->getApplicationVersion());
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replaceTemplate (code, "creationTime", Time::getCurrentTime().toString (true, true, true));
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replaceTemplate (code, "className", className);
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replaceTemplate (code, "constructorParams", constructorParams);
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replaceTemplate (code, "initialisers", getInitialiserList());
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replaceTemplate (code, "classDeclaration", getClassDeclaration());
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replaceTemplate (code, "privateMemberDeclarations", privateMemberDeclarations);
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replaceTemplate (code, "publicMemberDeclarations", getCallbackDeclarations() + "\n" + publicMemberDeclarations);
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replaceTemplate (code, "methodDefinitions", getCallbackDefinitions());
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replaceTemplate (code, "includeFilesH", getIncludeFileCode (includeFilesH));
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replaceTemplate (code, "includeFilesCPP", getIncludeFileCode (includeFilesCPP));
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replaceTemplate (code, "constructor", constructorCode);
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replaceTemplate (code, "destructor", destructorCode);
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if (! isForPreview)
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{
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replaceTemplate (code, "metadata", jucerMetadata);
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replaceTemplate (code, "staticMemberDefinitions", staticMemberDefinitions);
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}
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else
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{
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replaceTemplate (code, "metadata", " << Metadata isn't shown in the code preview >>\n");
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replaceTemplate (code, "staticMemberDefinitions", "// Static member declarations and resources would go here... (these aren't shown in the code preview)");
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}
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copyAcrossUserSections (code, oldFileWithUserData);
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}
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