cWebshotsTXT.cpp

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/*
    cWebshots - Webshots files handling classes
    Copyright (C) 2005  Hervé "Setaou" BRY <uwc at apinc dot org>

    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 2 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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


#include "cWebshots.h"

#include <cstdio>

using namespace std;

namespace cWebshots
{
        cWebshotsTXT::cWebshotsTXT(void)
        {
                Count = 0;
        }

        cWebshotsTXT::cWebshotsTXT(string directory)
        {
                Count = 0;
                Load(directory);
        }

        cWebshotsTXT::~cWebshotsTXT(void)
        {
                if (Count > 0)
                        delete[] Pictures;
        }


        void cWebshotsTXT::Load(string directory)
        {
                // File name and pointer
                ifstream in_file;
                string file;

                // Buffer
                char buffer[500];
                string line;

                // Field name & value, and index
                string field, value;
                int index;

                // Position of the separator
                size_t separator;


                // Clear previous data
                if (Count > 0)
                        delete[] Pictures;


                // First, "album.txt" file
                file = directory + "album.txt";

                in_file.open(file.c_str(), ios_base::in);

                // If a "album.txt" file is available
                if (in_file.is_open())
                {
                        // If the file is not empty
                        if (!in_file.eof())
                        {
                                // Get a line
                                in_file.getline(buffer,500,'\n');
                                line = buffer;

                                // If the line is not empty and contains a field and its value
                                if ((line.length() > 0) && (separator = line.find("||")))
                                {
                                        // Get the field name and the value from the line
                                        field = line.substr(0,separator);
                                        value = line.substr(separator + 2);

                                        if (field == "count")
                                                Count = atoi(value.c_str());
                                        else
                                                Count = 0;
                                }
                                else
                                        Count = 0;
                        }
                        else
                                Count = 0;


                        // If the files contains just 1 record (an album *must* contain olny one record)
                        if (Count == 1)
                        {
                                // Until the end of the file
                                while (!in_file.eof())
                                {
                                        // Get a line
                                        in_file.getline(buffer,500,'\n');
                                        line = buffer;

                                        // If the line is not empty and contains a field and its value
                                        if ((line.length() > 0) && (separator = line.find("||")))
                                        {
                                                // Get the field name and the value from the line
                                                field = line.substr(0,separator);
                                                value = line.substr(separator + 2);

                                                // Remove the index from the field name
                                                field = field.substr(0,field.rfind("_"));

                                                if (field == "ID")
                                                        Album.id = value;
                                                else if (field == "TITLE")
                                                        Album.title = value;
                                                else if (field == "IN_USE")
                                                        Album.in_use = (atoi(value.c_str()) == 1);
                                                else if (field == "DESCRIPTION")
                                                        Album.description = value;
                                                else if (field == "TOPIC_NAME")
                                                        Album.topic_name = value;
                                                else if (field == "CREATE_DATE")
                                                        Album.create_date = atol(value.c_str());
                                                else if (field == "EDIT_DATE")
                                                        Album.edit_date = atol(value.c_str());
                                                else if (field == "PHOTO_COUNT")
                                                        Album.photo_count = atoi(value.c_str());
                                        }
                                }
                        }

                        in_file.close();
                }


                // Then, "photos.txt" file
                file = directory + "photos.txt";

                in_file.clear();
                in_file.open(file.c_str(), ios_base::in);

                // If a "photos.txt" file is available
                if (in_file.is_open())
                {
                        // If the file is not empty
                        if (!in_file.eof())
                        {
                                // Get a line
                                in_file.getline(buffer,500,'\n');
                                line = buffer;

                                // If the line is not empty and contains a field and its value
                                if ((line.length() > 0) && (separator = line.find("||")))
                                {
                                        // Get the field name and the value from the line
                                        field = line.substr(0,separator);
                                        value = line.substr(separator + 2);

                                        if (field == "count")
                                                Count = atoi(value.c_str());
                                        else
                                                Count = 0;
                                }
                                else
                                        Count = 0;
                        }
                        else
                                Count = 0;


                        // If the files contains at least 1 record
                        if (Count > 0)
                        {
                                Pictures = new sPhotosTXT[Count];

                                // Until the end of the file
                                while (!in_file.eof())
                                {
                                        // Get a line
                                        in_file.getline(buffer,500,'\n');
                                        line = buffer;

                                        // If the line is not empty and contains a field and its value
                                        if ((line.length() > 0) && (separator = line.find("||")))
                                        {
                                                // Get the field name and the value from the line
                                                field = line.substr(0,separator);
                                                value = line.substr(separator + 2);

                                                // Get the index of the record
                                                index = atoi(field.substr(field.rfind("_") + 1).c_str());

                                                // Remove the index from the field name
                                                field = field.substr(0,field.rfind("_"));

                                                if (field == "ID")
                                                        Pictures[index].id = atol(value.c_str());
                                                else if (field == "POSITION")
                                                        Pictures[index].position = value;
                                                else if (field == "TITLE")
                                                        Pictures[index].title = value;
                                                else if (field == "CAPTION")
                                                        Pictures[index].caption = value;
                                                else if (field == "CREDIT")
                                                        Pictures[index].credit = value;
                                                else if (field == "URL_PHOTO")
                                                        Pictures[index].url_photo = value;
                                                else if (field == "URL_THUMB")
                                                        Pictures[index].url_thumb = value;
                                                else if (field == "SOURCE")
                                                        Pictures[index].source = value;
                                        }
                                }
                        }

                        in_file.close();
                }
        }


        sPhotosTXT& cWebshotsTXT::Picture(int index)
        {
                return Pictures[index];
        }

        int cWebshotsTXT::PictureCount()
        {
                return Count;
        }

        int cWebshotsTXT::IndexFromFileName(string filename, bool case_sensitive)
        {
                int i;

                for (i = 0; i < Count; i++)
                {
                        if (case_sensitive)
                        {
                                if (Pictures[i].url_photo == filename)
                                        return i;
                        }
                        else
                        {
                                // This comparation should be case insensitive in order to work with some strange files
                                if (Pictures[i].url_photo == filename)
                                        return i;
                        }
                }

                return IndexNotFound;
        }

}

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