static int get_dirlist (CalcHandle* handle, GNode** vars, GNode** apps)
{
int ret;
uint16_t unused;
TreeInfo *ti;
GNode *folder, *node;
char *utf8;
ret = dirlist_init_trees(handle, vars, apps);
if (ret)
{
return ret;
}
ti = (*vars)->data;
ret = SEND_REQ(handle, 0x0000, (handle->model == CALC_TI83) ? TI83_DIR : TI86_DIR, "\0\0\0\0\0\0\0");
if (!ret)
{
ret = RECV_ACK(handle, &unused);
if (!ret)
{
ret = RECV_XDP(handle, &unused, handle->buffer2);
if (!ret)
{
ret = SEND_ACK(handle);
}
}
}
if (!ret)
{
VarEntry *ve;
uint8_t * mem = (uint8_t *)handle->buffer2;
folder = dirlist_create_append_node(NULL, vars);
if (handle->model == CALC_TI83)
{
ti->mem_free = (((uint32_t)(mem[1])) << 8) | mem[0]; // Clamp mem_free to a 16-bit value.
// Add permanent variables (Window, RclWindow, TblSet aka WINDW, ZSTO, TABLE)
ve = tifiles_ve_create();
ve->type = TI83_WINDW;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI83_ZSTO;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI83_TABLE;
node = dirlist_create_append_node(ve, &folder);
}
}
}
else
{
ti->mem_free = (((uint32_t)(mem[0])) << 16) | (((uint32_t)(mem[1])) << 8) | mem[2];
// Add permanent variables (Func, Pol, Param, DifEq, ZRCL as WIND, WIND, WIND, WIND, WIND)
ve = tifiles_ve_create();
ve->type = TI86_FUNC;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI86_POL;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI86_PARAM;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI86_DIFEQ;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI86_ZRCL;
node = dirlist_create_append_node(ve, &folder);
}
}
}
}
}
if (!node)
{
ret = ERR_MALLOC;
}
else
{
for (;;)
{
uint16_t ve_size;
int ret2;
ve = tifiles_ve_create();
ret = RECV_VAR(handle, &ve_size, &ve->type, ve->name);
ve->size = ve_size;
ret2 = SEND_ACK(handle);
if (ret)
{
if (ret == ERR_EOT) // end of transmission
{
ret = 0;
}
error:
tifiles_ve_delete(ve);
break;
}
if (ret2)
{
ret = ret2;
goto error;
}
node = dirlist_create_append_node(ve, &folder);
if (!node)
{
return ERR_MALLOC;
}
utf8 = ticonv_varname_to_utf8(handle->model, ve->name, ve->type);
ticalcs_slprintf(update_->text, sizeof(update_->text), _("Parsing %s"), utf8);
ticonv_utf8_free(utf8);
update_label();
}
}
}
return ret;
}
// Helper function for get_dirlist, it does the bulk of the work.
static int enumerate_folder(CalcHandle* handle, GNode** vars, const char * folder_name)
{
int ret;
ticalcs_info("enumerate_folder<%s>\n", folder_name);
do
{
char varname[VARNAME_MAX];
ret = nsp_cmd_s_dir_enum_init(handle, folder_name);
if (ret)
{
break;
}
ret = nsp_cmd_r_dir_enum_init(handle);
if (ret)
{
break;
}
for (;;)
{
VarEntry *fe;
GNode *node;
char *ext;
uint32_t varsize;
uint8_t vartype;
ret = nsp_cmd_s_dir_enum_next(handle);
if (ret)
{
break;
}
ret = nsp_cmd_r_dir_enum_next(handle, varname, &varsize, &vartype);
if (ret == ERR_EOT)
{
ret = 0;
break;
}
else if (ret != 0)
{
break;
}
fe = tifiles_ve_create();
ticalcs_strlcpy(fe->folder, folder_name + 1, sizeof(fe->folder)); // Skip leading /
fe->size = varsize;
fe->type = vartype;
fe->attr = ATTRB_NONE;
ext = tifiles_fext_get(varname);
// Just a sanity check
if (ext)
{
// Did the file name have any non-empty extension ?
if (*ext)
{
// Do we know about this file type ?
if (fe->type < NSP_MAXTYPES)
{
// Then we can remove the exension.
*(ext-1) = '\0';
}
// else don't remove the extension.
}
// else there is no extension to remove.
}
ticalcs_strlcpy(fe->name, varname, sizeof(fe->name));
node = dirlist_create_append_node(fe, vars);
if (!node)
{
ret = ERR_MALLOC;
break;
}
ticalcs_info(_("Name: %s | Type: %8s | Attr: %i | Size: %08X"),
fe->name,
tifiles_vartype2string(handle->model, fe->type),
fe->attr,
fe->size);
}
while (!ret)
{
int i;
ret = nsp_cmd_s_dir_enum_done(handle);
if (ret)
{
break;
}
ret = nsp_cmd_r_dir_enum_done(handle);
if (ret)
{
break;
}
// Enumerate elements of root folder.
for (i = 0; i < (int)g_node_n_children(*vars); i++)
{
char new_folder_name[FLDNAME_MAX];
const char * separator_if_any;
GNode * folder = g_node_nth_child(*vars, i);
uint8_t vartype = ((VarEntry *)(folder->data))->type;
// Don't recurse into regular files (type 0, TNS or e.g. themes.csv on OS 3.0+).
if (vartype == 0)
{
ticalcs_info(_("Not enumerating documents in %s because it's not a folder\n"), ((VarEntry *)(folder->data))->name);
continue;
}
// Prevent names from starting with "//".
if (strcmp(folder_name, "/"))
{
separator_if_any = "/";
}
else
{
separator_if_any = "";
}
ticalcs_slprintf(new_folder_name, sizeof(new_folder_name), "%s%s%s", folder_name, separator_if_any, ((VarEntry *)(folder->data))->name);
ticalcs_info(_("Directory listing in <%s>...\n"), new_folder_name);
ret = enumerate_folder(handle, &folder, new_folder_name);
if (ret)
{
break;
}
}
break;
}
} while (0);
return ret;
}
static int get_dirlist (CalcHandle* handle, GNode** vars, GNode** apps)
{
int ret;
TreeInfo *ti;
GNode *folder, *root, *node;
uint16_t unused;
uint32_t memory;
char *utf8;
ret = dirlist_init_trees(handle, vars, apps);
if (ret)
{
return ret;
}
ti = (*vars)->data;
ret = SEND_REQ(handle, 0x0000, TI73_DIR, "\0\0\0\0\0\0\0", 0x00, 0x00);
if (!ret)
{
ret = RECV_ACK(handle, &unused);
if (!ret)
{
ret = RECV_XDP(handle, &unused, handle->buffer2);
if (!ret)
{
ret = SEND_ACK(handle);
if (!ret)
{
uint8_t * mem = (uint8_t *)handle->buffer2;
memory = (((uint32_t)(mem[1])) << 8) | mem[0]; // Clamp mem_free to a 16-bit value.
}
}
}
}
if (ret)
{
return ret;
}
ti->mem_free = memory;
folder = dirlist_create_append_node(NULL, vars);
if (!folder)
{
return ERR_MALLOC;
}
root = dirlist_create_append_node(NULL, apps);
if (!root)
{
return ERR_MALLOC;
}
// Add permanent variables (Window, RclWindow, TblSet aka WINDW, ZSTO, TABLE)
{
VarEntry *ve;
ve = tifiles_ve_create();
ve->type = TI84p_WINDW;
node = dirlist_create_append_node(ve, &folder);
if (node != NULL)
{
if (handle->model != CALC_TI73)
{
ve = tifiles_ve_create();
ve->type = TI84p_ZSTO;
node = dirlist_create_append_node(ve, &folder);
}
if (node != NULL)
{
ve = tifiles_ve_create();
ve->type = TI84p_TABLE;
node = dirlist_create_append_node(ve, &folder);
}
}
}
if (!node)
{
return ERR_MALLOC;
}
for (;;)
{
VarEntry *ve = tifiles_ve_create();
uint16_t ve_size;
int ret2;
ret = RECV_VAR(handle, &ve_size, &ve->type, ve->name, &ve->attr, &ve->version);
ve->size = ve_size;
ret2 = SEND_ACK(handle);
if (ret)
{
if (ret == ERR_EOT)
{
ret = 0;
}
error:
tifiles_ve_delete(ve);
break;
}
if (ret2)
{
ret = ret2;
goto error;
}
if (ve->type == TI73_APPL)
{
/* Size is reported as a number of pages -- compute amount
of space consumed (the actual application may be
somewhat smaller.) Note: the MSB of the "size" word is
the application's starting page number. */
ve->size = (ve->size & 0xff) * 0x4000;
}
node = dirlist_create_append_node(ve, (ve->type != TI73_APPL) ? &folder : &root);
if (!node)
{
return ERR_MALLOC;
}
utf8 = ticonv_varname_to_utf8(handle->model, ve->name, ve->type);
ticalcs_slprintf(handle->updat->text, sizeof(handle->updat->text), _("Parsing %s"), utf8);
ticonv_utf8_free(utf8);
ticalcs_update_label(handle);
}
return ret;
}
