/*******************************************************************************
* TestParser
*
* This is a test function to verify that the library is properly opening and
* reading xml files.
******************************************************************************/
DLLIMPORT void TestParser( char *Filename )
{
scew_parser *parser;
scew_element *params;
int elementCount = 0;
int i;
char Buffer[1024];
parser = scew_parser_create ();
if (parser != NULL)
{
scew_parser_load_file (parser, Filename);
params = scew_tree_root (scew_parser_tree (parser));
elementCount = scew_element_count (params);
sprintf(Buffer, "Root has %u children\n", elementCount);
MessageBox( 0, Buffer, "Debugging", MB_ICONINFORMATION );
for (i = 0; i < elementCount; i++)
{
scew_element *newParams = scew_element_by_index (params, i);
sprintf(Buffer, "This child has %u subchildren\n", scew_element_count( newParams ));
MessageBox( 0, Buffer, "Debugging", MB_ICONINFORMATION );
sprintf(Buffer, "Child %i name='%s'\n", i, scew_element_name (scew_element_by_index (params, i)));
MessageBox( 0, Buffer, "Debugging", MB_ICONINFORMATION );
}
scew_parser_free( parser );
}
}
/* load_sprite: load all the sprites in SPRITE_INDEX and their graphics */
void load_sprites(void)
{
size_t i, y;
char bmpname[NAME_LN];
scew_tree *t = NULL;
scew_parser *p = NULL;
scew_element *e = NULL;
scew_element *r = NULL;
SPRITE *s = NULL;
/* setup the parser */
p = scew_parser_create();
scew_parser_ignore_whitespaces(p, 1);
if (!scew_parser_load_file(p, SPRITE_INDEX)) {
printf("%s\n", scew_error_expat_string(scew_error_code()));
return;
}
t = scew_parser_tree(p);
r = scew_tree_root(t);
s = create_sprite();
/* read all the sprites from SPRITE_INDEX */
/* parse the SPRITE_INDEX file and outline the list with their names */
e = scew_element_next(r, e);
while (e) {
strncpy(s->long_name, (char *) scew_element_name(e), LONG_NAME_LN);
s->x = s->y = 0;
sprite_list = append_sprite_list(s, sprite_list, &sprite_list_sz);
e = scew_element_next(r, e);
}
/* load all their graphics and the sprite data */
gfx_list = complete_sprite_list(sprite_list, sprite_list_sz, gfx_list,
&gfx_list_sz);
/* create a list_element for each of them and put them in a list */
y = SPRITE_WIN.y;
for (i = 0; i < sprite_list_sz; i++) {
sprintf(bmpname, "%s0", sprite_list[i].name);
spr_elem_lst = add_list_element(rec(SPRITE_WIN.x, y, LIST_ELEM_W,
LIST_ELEM_H), 0, DEFAULT_COLOR,
SEL_COLOR, sprite_list[i].name,
search_gfx_list(bmpname, gfx_list,
gfx_list_sz),
spr_elem_lst, &spr_elem_lst_sz);
y += LIST_ELEM_H;
}
/* cleanup */
scew_element_free(r);
destroy_sprite(s);
scew_element_free(e);
scew_parser_free(p);
}
/* get_grid_item: updates the grid_item with fresh data */
void get_grid_item(void)
{
int x, y;
scew_attribute *a = NULL;
scew_element *e = NULL;
scew_element *sub_e = NULL;
scew_element *r = NULL;
POINT p;
if (!maptree)
return;
p = get_mouse_pos();
x = p.x - (p.x % TILE_W);
y = p.y - (p.y % TILE_H) + map_offset;
r = scew_tree_root(maptree);
if (mode == TILE_MODE) {
e = scew_element_by_name(r, "Tiles");
} else if (mode == SPRITE_MODE) {
e = scew_element_by_name(r, "Sprites");
} else
return;
sub_e = scew_element_next(e, sub_e);
while (sub_e) {
a = scew_attribute_by_name(sub_e, "x");
if (x == atoi(scew_attribute_value(a))) {
a = scew_attribute_by_name(sub_e, "y");
if (y == atoi(scew_attribute_value(a))) {
grid_item.x = x;
grid_item.y = y;
grid_item.mode = mode;
a = scew_attribute_by_name(sub_e, "name");
strncpy(grid_item.name, scew_attribute_value(a), NAME_LN);
if (mode == TILE_MODE) {
a = scew_attribute_by_name(sub_e, "passable");
grid_item.passable = atoi(scew_attribute_value(a));
} else {
grid_item.passable = -1;
}
break;
}
}
sub_e = scew_element_next(e, sub_e);
}
}
/*******************************************************************************
* Function: Tree_RootScew
*
* This function returns a pointer to the root
* tree of the parser passed as the parameter
* _parser.
*
* Parameters:
* _parser: void * which represents a pointer to a scew_parser. This
* pointer must have been created previously using the function
* Create_Load_Scew_Parser() .
*
* Returns:
* void *, representing a pointer to a scew_element. On error, a NULL
* pointer value is returned.
*
******************************************************************************/
DLLIMPORT void *Tree_Root_Scew(void *_parser)
{
void *ret_val = NULL;
if ( _parser != NULL )
{
scew_tree *temp = scew_parser_tree((scew_parser *)_parser);
if ( temp != NULL )
ret_val = (void *)scew_tree_root ( temp );
};
return ret_val;
}
arcus_atlas *atlas_from_file(const char *filename)
{
scew_reader *reader;
scew_parser *parser;
scew_tree *tree;
arcus_atlas *ret;
reader = scew_reader_file_create(filename);
if (!reader)
{
set_error_string("atlas_from_file: cannot open/read file");
return NULL;
}
parser = scew_parser_create();
if (!parser)
{
set_error_string("atlas_from_file: cannot create a parser (scew bug?)");
scew_reader_close(reader);
scew_reader_free(reader);
return NULL;
}
tree = scew_parser_load(parser, reader);
if (!tree)
{
set_error_string("atlas_from_file: cannot create tree from parser and reader (invalid XML?)");
scew_parser_free(parser);
scew_reader_close(reader);
scew_reader_free(reader);
return NULL;
}
ret = atlas_from_xml(scew_tree_root(tree));
scew_tree_free(tree);
scew_parser_free(parser);
scew_reader_close(reader);
scew_reader_free(reader);
return ret;
}
/**
* @brief Return project file XML's root element.
* @param [in] tree XML tree we got from the parser.
* @return Root element pointer.
*/
scew_element* ProjectFile::GetRootElement(scew_tree * tree)
{
scew_element * root = NULL;
if (tree != NULL)
{
root = scew_tree_root(tree);
}
if (root != NULL)
{
// Make sure we have correct root element
if (strcmp(Root_element_name, scew_element_name(root)) != 0)
{
root = NULL;
}
}
return root;
}
int
main (int argc, char *argv[])
{
scew_reader *reader = NULL;
scew_parser *parser = NULL;
scew_tree *tree = NULL;
scew_writer *writer = NULL;
scew_printer *printer = NULL;
#if defined(_MSC_VER) && defined(XML_UNICODE_WCHAR_T)
/* Change stdout to Unicode before writing anything. */
_setmode(_fileno(stdout), _O_U16TEXT);
#endif /* _MSC_VER && XML_UNICODE_WCHAR_T */
if (argc < 2)
{
scew_printf (_XT("Usage: scew_print file.xml\n"));
return EXIT_FAILURE;
}
/* Creates an SCEW parser. This is the first function to call. */
parser = scew_parser_create ();
scew_parser_ignore_whitespaces (parser, SCEW_TRUE);
/* Loads an XML file. */
reader = scew_reader_file_create (argv[1]);
if (reader == NULL)
{
scew_error code = scew_error_code ();
scew_printf (_XT("Unable to load file (error #%d: %s)\n"),
code, scew_error_string (code));
return EXIT_FAILURE;
}
tree = scew_parser_load (parser, reader);
if (tree == NULL)
{
scew_error code = scew_error_code ();
scew_printf (_XT("Unable to parse file (error #%d: %s)\n"),
code, scew_error_string (code));
if (code == scew_error_expat)
{
enum XML_Error expat_code = scew_error_expat_code (parser);
scew_printf (_XT("Expat error #%d (line %d, column %d): %s\n"),
expat_code,
scew_error_expat_line (parser),
scew_error_expat_column (parser),
scew_error_expat_string (expat_code));
}
/* Frees the SCEW parser and reader. */
scew_reader_free (reader);
scew_parser_free (parser);
return EXIT_FAILURE;
}
/* Prints full tree. */
scew_printf (_XT("\n*** Manual print:\n\n"));
print_element (scew_tree_root (tree), 0);
/* Prints full tree using SCEW writer. */
scew_printf (_XT("\n\n*** SCEW writer (stdout) print:\n\n"));
writer = scew_writer_fp_create (stdout);
printer = scew_printer_create (writer);
scew_printer_print_tree (printer, tree);
scew_printf (_XT("\n"));
/* Remember to free tree (scew_parser_free does not free it). */
scew_tree_free (tree);
/* Also free the printer and writer. */
scew_writer_free (writer);
scew_printer_free (printer);
/* Frees the SCEW parser and reader. */
scew_reader_free (reader);
scew_parser_free (parser);
return 0;
}
