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/*
xml_news.c
Bygfoot Football Manager -- a small and simple GTK2-based
football management game.
http://bygfoot.sourceforge.net
Copyright (C) 2005 Gyözö Both (gyboth@bygfoot.com)
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "free.h"
#include "news.h"
#include "misc.h"
#include "variables.h"
#include "xml_news.h"
#define TAG_NEWS "news"
#define TAG_ARTICLE "news_article"
#define TAG_ARTICLE_TYPE "type"
#define TAG_ARTICLE_CONDITION "condition"
#define TAG_ARTICLE_PRIORITY "priority"
#define TAG_ARTICLE_TITLE "title"
#define TAG_ARTICLE_SUBTITLE "subtitle"
#define ATT_NAME_TEXT_PRIORITY "priority"
#define ATT_NAME_TEXT_CONDITION "condition"
#define ARTICLE_TYPE_NAME_MATCH "match"
#define ARTICLE_TYPE_NAME_FINANCES "finances"
#define ARTICLE_TYPE_NAME_STAR_PLAYER_TRANSFER "star_player_transfer"
#define ARTICLE_TYPE_NAME_LEAGUE_CHAMPION "league_champion"
#define ARTICLE_TYPE_NAME_CUP_QUALIFICATION "cup_qualification"
#define ARTICLE_TYPE_NAME_RELEGATION "relegation"
enum XmlNewsStates
{
STATE_NEWS = 0,
STATE_ARTICLE,
STATE_ARTICLE_TYPE,
STATE_ARTICLE_CONDITION,
STATE_ARTICLE_PRIORITY,
STATE_ARTICLE_TITLE,
STATE_ARTICLE_SUBTITLE,
STATE_END
};
gint state, article_idx, priority;
gchar *condition;
NewsArticle new_article;
NewsText new_title, new_subtitle;
/** Return the appropriate enum integer going with the type string. */
gint
xml_news_article_type_to_int(const gchar *type_string)
{
#ifdef DEBUG
printf("xml_news_type_to_int\n");
#endif
gint return_value = -1;
if(strcmp(type_string, ARTICLE_TYPE_NAME_MATCH) == 0)
return_value = NEWS_ARTICLE_TYPE_MATCH;
else if(strcmp(type_string, ARTICLE_TYPE_NAME_FINANCES) == 0)
return_value = NEWS_ARTICLE_TYPE_FINANCES;
else if(strcmp(type_string, ARTICLE_TYPE_NAME_STAR_PLAYER_TRANSFER) == 0)
return_value = NEWS_ARTICLE_TYPE_STAR_PLAYER_TRANSFER;
else if(strcmp(type_string, ARTICLE_TYPE_NAME_LEAGUE_CHAMPION) == 0)
return_value = NEWS_ARTICLE_TYPE_LEAGUE_CHAMPION;
else if(strcmp(type_string, ARTICLE_TYPE_NAME_CUP_QUALIFICATION) == 0)
return_value = NEWS_ARTICLE_TYPE_CUP_QUALIFICATION;
else if(strcmp(type_string, ARTICLE_TYPE_NAME_RELEGATION) == 0)
return_value = NEWS_ARTICLE_TYPE_RELEGATION;
else
debug_print_message("xml_news_type_to_int: unknown type name %s \n",
type_string);
return return_value;
}
/**
* The function called by the parser when an opening tag is read.
* The state variable is changed in this function and
* sometimes memory allocated for the information that's going to be read.
* @see The GLib manual (Simple XML parser).
*/
void
xml_news_read_start_element (GMarkupParseContext *context,
const gchar *element_name,
const gchar **attribute_names,
const gchar **attribute_values,
gpointer user_data,
GError **error)
{
#ifdef DEBUG
printf("xml_news_read_start_element\n");
#endif
gint atidx;
atidx = 0;
if(strcmp(element_name, TAG_NEWS) == 0)
state = STATE_NEWS;
else if(strcmp(element_name, TAG_ARTICLE) == 0)
{
state = STATE_ARTICLE;
new_article.titles = g_array_new(FALSE, FALSE, sizeof(NewsText));
new_article.subtitles = g_array_new(FALSE, FALSE, sizeof(NewsText));
new_article.condition = g_strdup("0");
new_article.priority = 1;
new_article.id = news_article_id_new;
}
else if(strcmp(element_name, TAG_ARTICLE_TYPE) == 0)
state = STATE_ARTICLE_TYPE;
else if(strcmp(element_name, TAG_ARTICLE_CONDITION) == 0)
state = STATE_ARTICLE_CONDITION;
else if(strcmp(element_name, TAG_ARTICLE_PRIORITY) == 0)
state = STATE_ARTICLE_PRIORITY;
else if(strcmp(element_name, TAG_ARTICLE_TITLE) == 0)
{
state = STATE_ARTICLE_TITLE;
new_title.id = news_title_id_new;
new_title.priority = 1;
new_title.condition = g_strdup("1");
while(attribute_names[atidx] != NULL)
{
if(strcmp(attribute_names[atidx], ATT_NAME_TEXT_PRIORITY) == 0)
new_title.priority = (gint)g_ascii_strtod(attribute_values[atidx], NULL);
else if(strcmp(attribute_names[atidx], ATT_NAME_TEXT_CONDITION) == 0)
misc_string_assign(&new_title.condition, attribute_values[atidx]);
atidx++;
}
}
else if(strcmp(element_name, TAG_ARTICLE_SUBTITLE) == 0)
{
state = STATE_ARTICLE_SUBTITLE;
new_subtitle.id = news_subtitle_id_new;
new_subtitle.priority = 1;
new_subtitle.condition = g_strdup("1");
while(attribute_names[atidx] != NULL)
{
if(strcmp(attribute_names[atidx], ATT_NAME_TEXT_PRIORITY) == 0)
new_subtitle.priority = (gint)g_ascii_strtod(attribute_values[atidx], NULL);
else if(strcmp(attribute_names[atidx], ATT_NAME_TEXT_CONDITION) == 0)
misc_string_assign(&new_subtitle.condition, attribute_values[atidx]);
atidx++;
}
}
else
debug_print_message("xml_news_read_start_element: unknown tag: %s; I'm in state %d\n",
element_name, state);
}
/**
* The function called by the parser when a closing tag is read.
* The state variable is changed in this function.
* @see The GLib manual (Simple XML parser).
*/
void
xml_news_read_end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
#ifdef DEBUG
printf("xml_news_read_end_element\n");
#endif
if(strcmp(element_name, TAG_ARTICLE) == 0)
{
state = STATE_NEWS;
g_array_append_val(news[article_idx], new_article);
}
else if(strcmp(element_name, TAG_ARTICLE_TYPE) == 0 ||
strcmp(element_name, TAG_ARTICLE_CONDITION) == 0 ||
strcmp(element_name, TAG_ARTICLE_PRIORITY) == 0 ||
strcmp(element_name, TAG_ARTICLE_TITLE) == 0 ||
strcmp(element_name, TAG_ARTICLE_SUBTITLE) == 0)
state = STATE_ARTICLE;
else if(strcmp(element_name, TAG_NEWS) != 0)
debug_print_message("xml_news_read_end_element: unknown tag: %s; I'm in state %d\n",
element_name, state);
}
/**
* The function called by the parser when the text between tags is read.
* This function is responsible for filling in the variables (e.g. team names)
* when a file gets loaded.
* @see The GLib manual (Simple XML parser).
*/
void
xml_news_read_text (GMarkupParseContext *context,
const gchar *text,
gsize text_len,
gpointer user_data,
GError **error)
{
#ifdef DEBUG
printf("xml_news_read_text\n");
#endif
gchar buf[text_len + 1];
gint int_value;
strncpy(buf, text, text_len);
buf[text_len] = '\0';
int_value = (gint)g_ascii_strtod(buf, NULL);
if(state == STATE_ARTICLE_TYPE)
article_idx = xml_news_article_type_to_int(buf);
else if(state == STATE_ARTICLE_CONDITION)
misc_string_assign(&new_article.condition, buf);
else if(state == STATE_ARTICLE_PRIORITY)
new_article.priority = int_value;
else if(state == STATE_ARTICLE_TITLE)
{
new_title.text = g_strdup(buf);
g_array_append_val(new_article.titles, new_title);
}
else if(state == STATE_ARTICLE_SUBTITLE)
{
new_subtitle.text = g_strdup(buf);
g_array_append_val(new_article.subtitles, new_subtitle);
}
}
/**
* Function reading an XML file specifying a country.
* The variable #country gets freed and overwritten afterwards.
* @param news_file Name of the xml file (e.g. 'news_en.xml')
* to be read. Full path is not necessary, if the file is located in
* one of the suppport directories; neither are the prefix 'news_'
* or the suffix '.xml'.
*/
void
xml_news_read(const gchar *news_file)
{
#ifdef DEBUG
printf("xml_news_read\n");
#endif
GMarkupParser parser = {xml_news_read_start_element,
xml_news_read_end_element,
xml_news_read_text, NULL, NULL};
GMarkupParseContext *context;
gchar *file_contents;
gsize length;
GError *error = NULL;
context =
g_markup_parse_context_new(&parser, 0, NULL, NULL);
if(!g_file_get_contents(news_file, &file_contents, &length, &error))
{
debug_print_message("xml_news_read: error reading file %s\n", news_file);
if(g_str_has_suffix(news_file, "news_en.xml"))
misc_print_error(&error, TRUE);
else
{
misc_print_error(&error, FALSE);
news_load_news_file("news_en.xml", TRUE);
}
return;
}
free_news(TRUE);
if(g_markup_parse_context_parse(context, file_contents, length, &error))
{
g_markup_parse_context_end_parse(context, NULL);
g_markup_parse_context_free(context);
g_free(file_contents);
}
else
{
debug_print_message("xml_news_read: error parsing file %s\n", news_file);
if(g_str_has_suffix(news_file, "news_en.xml"))
misc_print_error(&error, TRUE);
else
{
misc_print_error(&error, FALSE);
news_load_news_file("news_en.xml", TRUE);
}
return;
}
}
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