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JUCE/extras/Introjucer/Source/Project Saving/jucer_ProjectSaver.h

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22 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2013 - Raw Material Software Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found 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.juce.com for more information.
==============================================================================
*/
#ifndef __JUCER_PROJECTSAVER_JUCEHEADER__
#define __JUCER_PROJECTSAVER_JUCEHEADER__
#include "jucer_ResourceFile.h"
#include "../Project/jucer_Module.h"
#include "jucer_ProjectExporter.h"
//==============================================================================
class ProjectSaver
{
public:
ProjectSaver (Project& p, const File& file)
: project (p),
projectFile (file),
generatedCodeFolder (project.getGeneratedCodeFolder()),
generatedFilesGroup (Project::Item::createGroup (project, getJuceCodeGroupName(), "__generatedcode__")),
hasBinaryData (false)
{
generatedFilesGroup.setID (getGeneratedGroupID());
}
struct SaveThread : public ThreadWithProgressWindow
{
public:
SaveThread (ProjectSaver& ps)
: ThreadWithProgressWindow ("Saving...", true, false),
saver (ps), result (Result::ok())
{}
void run() override
{
setProgress (-1);
result = saver.save (false);
}
ProjectSaver& saver;
Result result;
JUCE_DECLARE_NON_COPYABLE (SaveThread)
};
Result save (bool showProgressBox)
{
if (showProgressBox)
{
SaveThread thread (*this);
thread.runThread();
return thread.result;
}
const String appConfigUserContent (loadUserContentFromAppConfig());
const File oldFile (project.getFile());
project.setFile (projectFile);
writeMainProjectFile();
OwnedArray<LibraryModule> modules;
project.getModules().createRequiredModules (modules);
if (errors.size() == 0) writeAppConfigFile (modules, appConfigUserContent);
if (errors.size() == 0) writeBinaryDataFiles();
if (errors.size() == 0) writeAppHeader (modules);
if (errors.size() == 0) writeProjects (modules);
if (errors.size() == 0) writeAppConfigFile (modules, appConfigUserContent); // (this is repeated in case the projects added anything to it)
if (errors.size() == 0 && generatedCodeFolder.exists())
writeReadmeFile();
if (generatedCodeFolder.exists())
deleteUnwantedFilesIn (generatedCodeFolder);
if (errors.size() > 0)
{
project.setFile (oldFile);
return Result::fail (errors[0]);
}
return Result::ok();
}
Result saveResourcesOnly()
{
writeBinaryDataFiles();
if (errors.size() > 0)
return Result::fail (errors[0]);
return Result::ok();
}
Project::Item saveGeneratedFile (const String& filePath, const MemoryOutputStream& newData)
{
if (! generatedCodeFolder.createDirectory())
{
addError ("Couldn't create folder: " + generatedCodeFolder.getFullPathName());
return Project::Item (project, ValueTree::invalid);
}
const File file (generatedCodeFolder.getChildFile (filePath));
if (replaceFileIfDifferent (file, newData))
return addFileToGeneratedGroup (file);
return Project::Item (project, ValueTree::invalid);
}
Project::Item addFileToGeneratedGroup (const File& file)
{
Project::Item item (generatedFilesGroup.findItemForFile (file));
if (item.isValid())
return item;
generatedFilesGroup.addFile (file, -1, true);
return generatedFilesGroup.findItemForFile (file);
}
void setExtraAppConfigFileContent (const String& content)
{
extraAppConfigContent = content;
}
static void writeAutoGenWarningComment (OutputStream& out)
{
out << "/*" << newLine << newLine
<< " IMPORTANT! This file is auto-generated each time you save your" << newLine
<< " project - if you alter its contents, your changes may be overwritten!" << newLine
<< newLine;
}
static const char* getGeneratedGroupID() noexcept { return "__jucelibfiles"; }
Project::Item& getGeneratedCodeGroup() { return generatedFilesGroup; }
static String getJuceCodeGroupName() { return "Juce Library Code"; }
File getGeneratedCodeFolder() const { return generatedCodeFolder; }
File getLocalModulesFolder() const { return generatedCodeFolder.getChildFile ("modules"); }
File getLocalModuleFolder (const String& moduleID) const { return getLocalModulesFolder().getChildFile (moduleID); }
bool replaceFileIfDifferent (const File& f, const MemoryOutputStream& newData)
{
filesCreated.add (f);
if (! FileHelpers::overwriteFileWithNewDataIfDifferent (f, newData))
{
addError ("Can't write to file: " + f.getFullPathName());
return false;
}
return true;
}
bool copyFolder (const File& source, const File& dest)
{
if (source.isDirectory() && dest.createDirectory())
{
Array<File> subFiles;
source.findChildFiles (subFiles, File::findFiles, false);
for (int i = 0; i < subFiles.size(); ++i)
{
const File target (dest.getChildFile (subFiles.getReference(i).getFileName()));
filesCreated.add (target);
if (! subFiles.getReference(i).copyFileTo (target))
return false;
}
subFiles.clear();
source.findChildFiles (subFiles, File::findDirectories, false);
for (int i = 0; i < subFiles.size(); ++i)
if (! copyFolder (subFiles.getReference(i), dest.getChildFile (subFiles.getReference(i).getFileName())))
return false;
return true;
}
return false;
}
Project& project;
private:
const File projectFile, generatedCodeFolder;
Project::Item generatedFilesGroup;
String extraAppConfigContent;
StringArray errors;
CriticalSection errorLock;
File appConfigFile;
SortedSet<File> filesCreated;
bool hasBinaryData;
// Recursively clears out any files in a folder that we didn't create, but avoids
// any folders containing hidden files that might be used by version-control systems.
bool deleteUnwantedFilesIn (const File& parent)
{
bool folderIsNowEmpty = true;
DirectoryIterator i (parent, false, "*", File::findFilesAndDirectories);
Array<File> filesToDelete;
bool isFolder;
while (i.next (&isFolder, nullptr, nullptr, nullptr, nullptr, nullptr))
{
const File f (i.getFile());
if (filesCreated.contains (f) || shouldFileBeKept (f.getFileName()))
{
folderIsNowEmpty = false;
}
else if (isFolder)
{
if (deleteUnwantedFilesIn (f))
filesToDelete.add (f);
else
folderIsNowEmpty = false;
}
else
{
filesToDelete.add (f);
}
}
for (int j = filesToDelete.size(); --j >= 0;)
filesToDelete.getReference(j).deleteRecursively();
return folderIsNowEmpty;
}
static bool shouldFileBeKept (const String& filename)
{
static const char* filesToKeep[] = { ".svn", ".cvs", "CMakeLists.txt" };
for (int i = 0; i < numElementsInArray (filesToKeep); ++i)
if (filename == filesToKeep[i])
return true;
return false;
}
void writeMainProjectFile()
{
ScopedPointer <XmlElement> xml (project.getProjectRoot().createXml());
jassert (xml != nullptr);
if (xml != nullptr)
{
MemoryOutputStream mo;
xml->writeToStream (mo, String::empty);
replaceFileIfDifferent (projectFile, mo);
}
}
static int findLongestModuleName (const OwnedArray<LibraryModule>& modules)
{
int longest = 0;
for (int i = modules.size(); --i >= 0;)
longest = jmax (longest, modules.getUnchecked(i)->getID().length());
return longest;
}
File getAppConfigFile() const { return generatedCodeFolder.getChildFile (project.getAppConfigFilename()); }
String loadUserContentFromAppConfig() const
{
StringArray lines, userContent;
lines.addLines (getAppConfigFile().loadFileAsString());
bool foundCodeSection = false;
for (int i = 0; i < lines.size(); ++i)
{
if (lines[i].contains ("[BEGIN_USER_CODE_SECTION]"))
{
for (int j = i + 1; j < lines.size() && ! lines[j].contains ("[END_USER_CODE_SECTION]"); ++j)
userContent.add (lines[j]);
foundCodeSection = true;
break;
}
}
if (! foundCodeSection)
{
userContent.add (String::empty);
userContent.add ("// (You can add your own code in this section, and the Introjucer will not overwrite it)");
userContent.add (String::empty);
}
return userContent.joinIntoString (newLine) + newLine;
}
void writeAppConfig (OutputStream& out, const OwnedArray<LibraryModule>& modules, const String& userContent)
{
writeAutoGenWarningComment (out);
out << " There's a section below where you can add your own custom code safely, and the" << newLine
<< " Introjucer will preserve the contents of that block, but the best way to change" << newLine
<< " any of these definitions is by using the Introjucer's project settings." << newLine
<< newLine
<< " Any commented-out settings will assume their default values." << newLine
<< newLine
<< "*/" << newLine
<< newLine;
const String headerGuard ("__JUCE_APPCONFIG_" + project.getProjectUID().toUpperCase() + "__");
out << "#ifndef " << headerGuard << newLine
<< "#define " << headerGuard << newLine
<< newLine
<< "//==============================================================================" << newLine
<< "// [BEGIN_USER_CODE_SECTION]" << newLine
<< userContent
<< "// [END_USER_CODE_SECTION]" << newLine
<< newLine
<< "//==============================================================================" << newLine;
const int longestName = findLongestModuleName (modules);
for (int k = 0; k < modules.size(); ++k)
{
LibraryModule* const m = modules.getUnchecked(k);
out << "#define JUCE_MODULE_AVAILABLE_" << m->getID()
<< String::repeatedString (" ", longestName + 5 - m->getID().length()) << " 1" << newLine;
}
out << newLine;
for (int j = 0; j < modules.size(); ++j)
{
LibraryModule* const m = modules.getUnchecked(j);
OwnedArray<Project::ConfigFlag> flags;
m->getConfigFlags (project, flags);
if (flags.size() > 0)
{
out << "//==============================================================================" << newLine
<< "// " << m->getID() << " flags:" << newLine
<< newLine;
for (int i = 0; i < flags.size(); ++i)
{
flags.getUnchecked(i)->value.referTo (project.getConfigFlag (flags.getUnchecked(i)->symbol));
const Project::ConfigFlag* const f = flags[i];
const String value (project.getConfigFlag (f->symbol).toString());
out << "#ifndef " << f->symbol << newLine;
if (value == Project::configFlagEnabled)
out << " #define " << f->symbol << " 1";
else if (value == Project::configFlagDisabled)
out << " #define " << f->symbol << " 0";
else
out << " //#define " << f->symbol;
out << newLine
<< "#endif" << newLine
<< newLine;
}
}
}
if (extraAppConfigContent.isNotEmpty())
out << newLine << extraAppConfigContent.trimEnd() << newLine;
out << newLine
<< "#endif // " << headerGuard << newLine;
}
void writeAppConfigFile (const OwnedArray<LibraryModule>& modules, const String& userContent)
{
appConfigFile = getAppConfigFile();
MemoryOutputStream mem;
writeAppConfig (mem, modules, userContent);
saveGeneratedFile (project.getAppConfigFilename(), mem);
}
void writeAppHeader (OutputStream& out, const OwnedArray<LibraryModule>& modules)
{
writeAutoGenWarningComment (out);
out << " This is the header file that your files should include in order to get all the" << newLine
<< " JUCE library headers. You should avoid including the JUCE headers directly in" << newLine
<< " your own source files, because that wouldn't pick up the correct configuration" << newLine
<< " options for your app." << newLine
<< newLine
<< "*/" << newLine << newLine;
String headerGuard ("__APPHEADERFILE_" + project.getProjectUID().toUpperCase() + "__");
out << "#ifndef " << headerGuard << newLine
<< "#define " << headerGuard << newLine << newLine;
if (appConfigFile.exists())
out << CodeHelpers::createIncludeStatement (project.getAppConfigFilename()) << newLine;
for (int i = 0; i < modules.size(); ++i)
modules.getUnchecked(i)->writeIncludes (*this, out);
if (hasBinaryData && project.shouldIncludeBinaryInAppConfig().getValue())
out << CodeHelpers::createIncludeStatement (project.getBinaryDataHeaderFile(), appConfigFile) << newLine;
out << newLine
<< "#if ! DONT_SET_USING_JUCE_NAMESPACE" << newLine
<< " // If your code uses a lot of JUCE classes, then this will obviously save you" << newLine
<< " // a lot of typing, but can be disabled by setting DONT_SET_USING_JUCE_NAMESPACE." << newLine
<< " using namespace juce;" << newLine
<< "#endif" << newLine
<< newLine
<< "namespace ProjectInfo" << newLine
<< "{" << newLine
<< " const char* const projectName = " << CodeHelpers::addEscapeChars (project.getTitle()).quoted() << ";" << newLine
<< " const char* const versionString = " << CodeHelpers::addEscapeChars (project.getVersionString()).quoted() << ";" << newLine
<< " const int versionNumber = " << project.getVersionAsHex() << ";" << newLine
<< "}" << newLine
<< newLine
<< "#endif // " << headerGuard << newLine;
}
void writeAppHeader (const OwnedArray<LibraryModule>& modules)
{
MemoryOutputStream mem;
writeAppHeader (mem, modules);
saveGeneratedFile (project.getJuceSourceHFilename(), mem);
}
void writeBinaryDataFiles()
{
const File binaryDataH (project.getBinaryDataHeaderFile());
ResourceFile resourceFile (project);
if (resourceFile.getNumFiles() > 0)
{
resourceFile.setClassName ("BinaryData");
Array<File> binaryDataFiles;
int maxSize = project.getMaxBinaryFileSize().getValue();
if (maxSize <= 0)
maxSize = 10 * 1024 * 1024;
if (resourceFile.write (binaryDataFiles, maxSize))
{
hasBinaryData = true;
for (int i = 0; i < binaryDataFiles.size(); ++i)
{
const File& f = binaryDataFiles.getReference(i);
filesCreated.add (f);
generatedFilesGroup.addFile (f, -1, ! f.hasFileExtension (".h"));
}
}
else
{
addError ("Can't create binary resources file: "
+ project.getBinaryDataCppFile(0).getFullPathName());
}
}
else
{
for (int i = 20; --i >= 0;)
project.getBinaryDataCppFile (i).deleteFile();
binaryDataH.deleteFile();
}
}
void writeReadmeFile()
{
MemoryOutputStream out;
out << newLine
<< " Important Note!!" << newLine
<< " ================" << newLine
<< newLine
<< "The purpose of this folder is to contain files that are auto-generated by the Introjucer," << newLine
<< "and ALL files in this folder will be mercilessly DELETED and completely re-written whenever" << newLine
<< "the Introjucer saves your project." << newLine
<< newLine
<< "Therefore, it's a bad idea to make any manual changes to the files in here, or to" << newLine
<< "put any of your own files in here if you don't want to lose them. (Of course you may choose" << newLine
<< "to add the folder's contents to your version-control system so that you can re-merge your own" << newLine
<< "modifications after the Introjucer has saved its changes)." << newLine;
replaceFileIfDifferent (generatedCodeFolder.getChildFile ("ReadMe.txt"), out);
}
static void sortGroupRecursively (Project::Item group)
{
group.sortAlphabetically (true);
for (int i = group.getNumChildren(); --i >= 0;)
sortGroupRecursively (group.getChild(i));
}
void addError (const String& message)
{
const ScopedLock sl (errorLock);
errors.add (message);
}
void writeProjects (const OwnedArray<LibraryModule>& modules)
{
ThreadPool threadPool;
// keep a copy of the basic generated files group, as each exporter may modify it.
const ValueTree originalGeneratedGroup (generatedFilesGroup.state.createCopy());
for (Project::ExporterIterator exporter (project); exporter.next();)
{
if (exporter->getTargetFolder().createDirectory())
{
exporter->copyMainGroupFromProject();
exporter->settings = exporter->settings.createCopy();
exporter->addToExtraSearchPaths (RelativePath ("JuceLibraryCode", RelativePath::projectFolder));
generatedFilesGroup.state = originalGeneratedGroup.createCopy();
project.getProjectType().prepareExporter (*exporter);
for (int j = 0; j < modules.size(); ++j)
modules.getUnchecked(j)->prepareExporter (*exporter, *this);
sortGroupRecursively (generatedFilesGroup);
exporter->getAllGroups().add (generatedFilesGroup);
threadPool.addJob (new ExporterJob (*this, exporter.exporter.release(), modules), true);
}
else
{
addError ("Can't create folder: " + exporter->getTargetFolder().getFullPathName());
}
}
while (threadPool.getNumJobs() > 0)
Thread::sleep (10);
}
class ExporterJob : public ThreadPoolJob
{
public:
ExporterJob (ProjectSaver& ps, ProjectExporter* pe,
const OwnedArray<LibraryModule>& moduleList)
: ThreadPoolJob ("export"),
owner (ps), exporter (pe), modules (moduleList)
{
}
JobStatus runJob()
{
try
{
exporter->create (modules);
std::cout << "Finished saving: " << exporter->getName() << std::endl;
}
catch (ProjectExporter::SaveError& error)
{
owner.addError (error.message);
}
return jobHasFinished;
}
private:
ProjectSaver& owner;
ScopedPointer<ProjectExporter> exporter;
const OwnedArray<LibraryModule>& modules;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ExporterJob)
};
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ProjectSaver)
};
#endif // __JUCER_PROJECTSAVER_JUCEHEADER__