83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
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/* +--------------------------------------------------------------------------+
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** | _ _ _ |
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** | | \ | | (_) |
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** | | \| | ___ _ __ _ |
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** | | . ` |/ _ \| |/ _` | |
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** | | |\ | (_) | | (_| | |
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** | |_| \_|\___/| |\__,_| |
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** | _/ | |
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** | |__/ |
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** +--------------------------------------------------------------------------+
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** | Copyright (c) 2022 Francesco Cozzuto <francesco.cozzuto@gmail.com> |
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** +--------------------------------------------------------------------------+
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** | This file is part of The Noja Interpreter. |
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** | |
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** | The Noja Interpreter is free software: you can redistribute it and/or |
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** | modify it under the terms of the GNU General Public License as published |
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** | by the Free Software Foundation, either version 3 of the License, or (at |
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** | your option) any later version. |
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** | |
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** | The Noja Interpreter is distributed in the hope that it will be useful, |
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** | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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** | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
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** | Public License for more details. |
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** | |
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** | You should have received a copy of the GNU General Public License along |
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** | with The Noja Interpreter. If not, see <http://www.gnu.org/licenses/>. |
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** +--------------------------------------------------------------------------+
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*/
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#include "objects.h"
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typedef struct {
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Object base;
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DIR *dir;
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} DirObject;
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static _Bool dir_free(Object *obj, Error *error);
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static TypeObject t_dir = {
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.base = (Object) { .type = &t_type, .flags = Object_STATIC },
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.name = "Directory",
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.size = sizeof(DirObject),
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.free = dir_free,
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};
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_Bool Object_IsDir(Object *obj)
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{
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return obj->type == &t_dir;
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}
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Object *Object_FromDIR(DIR *handle, Heap *heap, Error *error)
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{
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DirObject *dob = (DirObject*) Heap_Malloc(heap, &t_dir, error);
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if(dob == NULL)
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return NULL;
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dob->dir = handle;
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return (Object*) dob;
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}
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DIR *Object_ToDIR(Object *obj, Error *error)
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{
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if(!Object_IsDir(obj))
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{
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Error_Report(error, 0, "Object is not a directory");
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return NULL;
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}
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return ((DirObject*) obj)->dir;
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}
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static _Bool dir_free(Object *obj, Error *error)
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{
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DirObject *dob = (DirObject*) obj;
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if(closedir(dob->dir) == 0)
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return 1;
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Error_Report(error, 0, "Failed to close directory");
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return 0;
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} |