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#include "scpaths.h"
#include "qstring.h"

// On Qt/Mac we need CoreFoundation to discover the location
// of the app bundle.
#ifdef QT_MAC
#include <CoreFoundation/CoreFoundation.h>
#endif

// Init the singleton's "self" address to NULL
ScPaths* ScPaths::m_instance = NULL;

// Singleton's public constructor
const ScPaths& ScPaths::instance()
{
        if (!ScPaths::m_instance)
                ScPaths::m_instance = new ScPaths();
        return *ScPaths::m_instance;
}

// Singleton's public destructor
void ScPaths::destroy()
{
        if (ScPaths::m_instance)
                delete ScPaths::m_instance;
}

// Protected "real" constructor
// All paths are initialized to compile-time defaults passed in
// as preprocessor macros and set by autoconf.
ScPaths::ScPaths() :
        m_docDir(DOCDIR),
        m_iconDir(ICONDIR),
        m_libDir(LIBDIR),
        m_pluginDir(PLUGINDIR),
        m_sampleScriptDir(SAMPLESDIR),
        m_scriptDir(SCRIPTSDIR),
        m_templateDir(TEMPLATEDIR)
{
// On MacOS/X, override the compile-time settings with a location
// obtained from the system.
#if defined(QT_MAC) && defined(BUILD_MAC_BUNDLE)
        // Set up the various app paths to look inside the app bundle
        CFURLRef pluginRef = CFBundleCopyBundleURL(CFBundleGetMainBundle());
        CFStringRef macPath = CFURLCopyFileSystemPath(pluginRef,
                                               kCFURLPOSIXPathStyle);
        const char *pathPtr = CFStringGetCStringPtr(macPath,
                                               CFStringGetSystemEncoding());
        m_docDir = strdup(QString("%1/Resources/docs/").arg(pathPtr));
        m_iconDir = strdup(QString("%1/Resources/icons/").arg(pathPtr));
        m_sampleDir = strdup(QString("%1/Resources/samples/").arg(pathPtr));
        m_scriptDir = strdup(QString("%1/Resources/scripts/").arg(pathPtr));
        m_templateDir = strdup(QString("%1/Resources/templates/").arg(pathPtr));
        m_libDir = strdup(QString("%1/Resources/lib/").arg(pathPtr));
        m_pluginDir = strdup(QString("%1/Resources/plugins/").arg(pathPtr));
        CFRelease(pluginRef);
        CFRelease(macPath);
#endif // defined(QT_MAC)
}

ScPaths::~ScPaths() {};

const QString&  ScPaths::docDir() const
{
        return m_docDir;
}

const QString&  ScPaths::iconDir() const
{
        return m_iconDir;
}

const QString&  ScPaths::libDir() const
{
        return m_libDir;
}

const QString&  ScPaths::pluginDir() const
{
        return m_pluginDir;
}

const QString&  ScPaths::sampleScriptDir() const
{
        return m_sampleScriptDir;
}

const QString&  ScPaths::scriptDir() const
{
        return m_scriptDir;
}

const QString&  ScPaths::templateDir() const
{
        return m_templateDir;
}