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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "../Application/jucer_Headers.h"
#include "jucer_ResourceFile.h"
static const char* resourceFileIdentifierString = "JUCER_BINARY_RESOURCE";
//==============================================================================
ResourceFile::ResourceFile (Project& p) : project (p)
{
addResourcesFromProjectItem (project.getMainGroup());
}
ResourceFile::~ResourceFile()
{
}
//==============================================================================
void ResourceFile::addResourcesFromProjectItem (const Project::Item& projectItem)
{
if (projectItem.isGroup())
{
for (int i = 0; i < projectItem.getNumChildren(); ++i)
addResourcesFromProjectItem (projectItem.getChild(i));
}
else
{
if (projectItem.shouldBeAddedToBinaryResources())
addFile (projectItem.getFile());
}
}
//==============================================================================
void ResourceFile::setClassName (const String& name)
{
className = name;
}
void ResourceFile::addFile (const File& file)
{
files.add (file);
auto variableNameRoot = CodeHelpers::makeBinaryDataIdentifierName (file);
auto variableName = variableNameRoot;
int suffix = 2;
while (variableNames.contains (variableName))
variableName = variableNameRoot + String (suffix++);
variableNames.add (variableName);
}
String ResourceFile::getDataVariableFor (const File& file) const
{
jassert (files.indexOf (file) >= 0);
return variableNames [files.indexOf (file)];
}
String ResourceFile::getSizeVariableFor (const File& file) const
{
jassert (files.indexOf (file) >= 0);
return variableNames [files.indexOf (file)] + "Size";
}
int64 ResourceFile::getTotalDataSize() const
{
int64 total = 0;
for (int i = 0; i < files.size(); ++i)
total += files.getReference(i).getSize();
return total;
}
static void writeComment (MemoryOutputStream& mo)
{
mo << newLine << newLine
<< " This is an auto-generated file: Any edits you make may be overwritten!" << newLine
<< newLine
<< "*/" << newLine
<< newLine;
}
Result ResourceFile::writeHeader (MemoryOutputStream& header)
{
header << "/* =========================================================================================";
writeComment (header);
header << "#pragma once" << newLine
<< newLine
<< "namespace " << className << newLine
<< "{" << newLine;
for (int i = 0; i < files.size(); ++i)
{
auto& file = files.getReference(i);
if (! file.existsAsFile())
return Result::fail ("Can't open resource file: " + file.getFullPathName());
auto dataSize = file.getSize();
auto variableName = variableNames[i];
FileInputStream fileStream (file);
if (fileStream.openedOk())
{
header << " extern const char* " << variableName << ";" << newLine;
header << " const int " << variableName << "Size = " << (int) dataSize << ";" << newLine << newLine;
}
}
header << " // Number of elements in the namedResourceList and originalFileNames arrays." << newLine
<< " const int namedResourceListSize = " << files.size() << ";" << newLine
<< newLine
<< " // Points to the start of a list of resource names." << newLine
<< " extern const char* namedResourceList[];" << newLine
<< newLine
<< " // Points to the start of a list of resource filenames." << newLine
<< " extern const char* originalFilenames[];" << newLine
<< newLine
<< " // If you provide the name of one of the binary resource variables above, this function will" << newLine
<< " // return the corresponding data and its size (or a null pointer if the name isn't found)." << newLine
<< " const char* getNamedResource (const char* resourceNameUTF8, int& dataSizeInBytes);" << newLine
<< newLine
<< " // If you provide the name of one of the binary resource variables above, this function will" << newLine
<< " // return the corresponding original, non-mangled filename (or a null pointer if the name isn't found)." << newLine
<< " const char* getNamedResourceOriginalFilename (const char* resourceNameUTF8);" << newLine
<< "}" << newLine;
return Result::ok();
}
Result ResourceFile::writeCpp (MemoryOutputStream& cpp, const File& headerFile, int& i, const int maxFileSize)
{
bool isFirstFile = (i == 0);
cpp << "/* ==================================== " << resourceFileIdentifierString << " ====================================";
writeComment (cpp);
cpp << "namespace " << className << newLine
<< "{" << newLine;
while (i < files.size())
{
auto& file = files.getReference(i);
auto variableName = variableNames[i];
FileInputStream fileStream (file);
if (fileStream.openedOk())
{
auto tempVariable = "temp_binary_data_" + String (i);
cpp << newLine << "//================== " << file.getFileName() << " ==================" << newLine
<< "static const unsigned char " << tempVariable << "[] =" << newLine;
{
MemoryBlock data;
fileStream.readIntoMemoryBlock (data);
CodeHelpers::writeDataAsCppLiteral (data, cpp, true, true);
}
cpp << newLine << newLine
<< "const char* " << variableName << " = (const char*) " << tempVariable << ";" << newLine;
}
++i;
if (cpp.getPosition() > maxFileSize)
break;
}
if (isFirstFile)
{
if (i < files.size())
{
cpp << newLine
<< "}" << newLine
<< newLine
<< "#include \"" << headerFile.getFileName() << "\"" << newLine
<< newLine
<< "namespace " << className << newLine
<< "{";
}
cpp << newLine
<< newLine
<< "const char* getNamedResource (const char* resourceNameUTF8, int& numBytes)" << newLine
<< "{" << newLine;
StringArray returnCodes;
for (auto& file : files)
{
auto dataSize = file.getSize();
returnCodes.add ("numBytes = " + String (dataSize) + "; return " + variableNames[files.indexOf (file)] + ";");
}
CodeHelpers::createStringMatcher (cpp, "resourceNameUTF8", variableNames, returnCodes, 4);
cpp << " numBytes = 0;" << newLine
<< " return nullptr;" << newLine
<< "}" << newLine
<< newLine;
cpp << "const char* namedResourceList[] =" << newLine
<< "{" << newLine;
for (int j = 0; j < files.size(); ++j)
cpp << " " << variableNames[j].quoted() << (j < files.size() - 1 ? "," : "") << newLine;
cpp << "};" << newLine << newLine;
cpp << "const char* originalFilenames[] =" << newLine
<< "{" << newLine;
for (auto& f : files)
cpp << " " << f.getFileName().quoted() << (files.indexOf (f) < files.size() - 1 ? "," : "") << newLine;
cpp << "};" << newLine << newLine;
cpp << "const char* getNamedResourceOriginalFilename (const char* resourceNameUTF8)" << newLine
<< "{" << newLine
<< " for (unsigned int i = 0; i < (sizeof (namedResourceList) / sizeof (namedResourceList[0])); ++i)" << newLine
<< " {" << newLine
<< " if (namedResourceList[i] == resourceNameUTF8)" << newLine
<< " return originalFilenames[i];" << newLine
<< " }" << newLine
<< newLine
<< " return nullptr;" << newLine
<< "}" << newLine
<< newLine;
}
cpp << "}" << newLine;
return Result::ok();
}
Result ResourceFile::write (Array<File>& filesCreated, const int maxFileSize)
{
auto projectLineFeed = project.getProjectLineFeed();
auto headerFile = project.getBinaryDataHeaderFile();
{
MemoryOutputStream mo;
mo.setNewLineString (projectLineFeed);
auto r = writeHeader (mo);
if (r.failed())
return r;
if (! FileHelpers::overwriteFileWithNewDataIfDifferent (headerFile, mo))
return Result::fail ("Can't write to file: " + headerFile.getFullPathName());
filesCreated.add (headerFile);
}
int i = 0;
int fileIndex = 0;
for (;;)
{
auto cpp = project.getBinaryDataCppFile (fileIndex);
MemoryOutputStream mo;
mo.setNewLineString (projectLineFeed);
auto r = writeCpp (mo, headerFile, i, maxFileSize);
if (r.failed())
return r;
if (! FileHelpers::overwriteFileWithNewDataIfDifferent (cpp, mo))
return Result::fail ("Can't write to file: " + cpp.getFullPathName());
filesCreated.add (cpp);
++fileIndex;
if (i >= files.size())
break;
}
return Result::ok();
}
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