/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2015 Daniel Marjamki and Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */

#include 
#include 
#include 
#include 
#include 
#include 
#include "projectfile.h"

static const char ProjectElementName[] = "project";
static const char ProjectVersionAttrib[] = "version";
static const char ProjectFileVersion[] = "1";
static const char IncludeDirElementName[] = "includedir";
static const char DirElementName[] = "dir";
static const char DirNameAttrib[] = "name";
static const char DefinesElementName[] = "defines";
static const char DefineName[] = "define";
static const char DefineNameAttrib[] = "name";
static const char PathsElementName[] = "paths";
static const char PathName[] = "dir";
static const char PathNameAttrib[] = "name";
static const char RootPathName[] = "root";
static const char RootPathNameAttrib[] = "name";
static const char IgnoreElementName[] = "ignore";
static const char IgnorePathName[] = "path";
static const char IgnorePathNameAttrib[] = "name";
static const char ExcludeElementName[] = "exclude";
static const char ExcludePathName[] = "path";
static const char ExcludePathNameAttrib[] = "name";
static const char LibrariesElementName[] = "libraries";
static const char LibraryElementName[] = "library";
static const char SuppressionsElementName[] = "suppressions";
static const char SuppressionElementName[] = "suppression";

ProjectFile::ProjectFile(QObject *parent) :
    QObject(parent)
{
}

ProjectFile::ProjectFile(const QString &filename, QObject *parent) :
    QObject(parent),
    mFilename(filename)
{
}

bool ProjectFile::Read(const QString &filename)
{
    if (!filename.isEmpty())
        mFilename = filename;

    QFile file(mFilename);
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
        return false;

    QXmlStreamReader xmlReader(&file);
    bool insideProject = false;
    bool projectTagFound = false;
    while (!xmlReader.atEnd()) {
        switch (xmlReader.readNext()) {
        case QXmlStreamReader::StartElement:
            if (xmlReader.name() == ProjectElementName) {
                insideProject = true;
                projectTagFound = true;
            }
            // Read root path from inside project element
            if (insideProject && xmlReader.name() == RootPathName)
                ReadRootPath(xmlReader);

            // Find paths to check from inside project element
            if (insideProject && xmlReader.name() == PathsElementName)
                ReadCheckPaths(xmlReader);

            // Find include directory from inside project element
            if (insideProject && xmlReader.name() == IncludeDirElementName)
                ReadIncludeDirs(xmlReader);

            // Find preprocessor define from inside project element
            if (insideProject && xmlReader.name() == DefinesElementName)
                ReadDefines(xmlReader);

            // Find exclude list from inside project element
            if (insideProject && xmlReader.name() == ExcludeElementName)
                ReadExcludes(xmlReader);

            // Find ignore list from inside project element
            // These are read for compatibility
            if (insideProject && xmlReader.name() == IgnoreElementName)
                ReadExcludes(xmlReader);

            // Find libraries list from inside project element
            if (insideProject && xmlReader.name() == LibrariesElementName)
                ReadStringList(mLibraries, xmlReader,LibraryElementName);

            // Find suppressions list from inside project element
            if (insideProject && xmlReader.name() == SuppressionsElementName)
                ReadStringList(mSuppressions, xmlReader,SuppressionElementName);

            break;

        case QXmlStreamReader::EndElement:
            if (xmlReader.name() == ProjectElementName)
                insideProject = false;
            break;

            // Not handled
        case QXmlStreamReader::NoToken:
        case QXmlStreamReader::Invalid:
        case QXmlStreamReader::StartDocument:
        case QXmlStreamReader::EndDocument:
        case QXmlStreamReader::Characters:
        case QXmlStreamReader::Comment:
        case QXmlStreamReader::DTD:
        case QXmlStreamReader::EntityReference:
        case QXmlStreamReader::ProcessingInstruction:
            break;
        }
    }

    file.close();
    if (projectTagFound)
        return true;
    else
        return false;
}

QStringList ProjectFile::GetIncludeDirs() const
{
    QStringList dirs;
    foreach(QString path, mIncludeDirs) {
        dirs