| /* exif-mnote-data.c |
| * |
| * Copyright (C) 2003 Lutz Mueller <lutz@users.sourceforge.net> |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the |
| * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA. |
| */ |
| |
| #include <config.h> |
| |
| #include <libexif/exif-mnote-data.h> |
| #include <libexif/exif-mnote-data-priv.h> |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| struct _ExifMnoteDataPriv |
| { |
| unsigned int ref_count; |
| }; |
| |
| void |
| exif_mnote_data_construct (ExifMnoteData *d, ExifMem *mem) |
| { |
| if (!d || !mem) return; |
| if (d->priv) return; |
| d->priv = exif_mem_alloc (mem, sizeof (ExifMnoteDataPriv)); |
| if (!d->priv) return; |
| |
| d->priv->ref_count = 1; |
| |
| d->mem = mem; |
| exif_mem_ref (mem); |
| } |
| |
| void |
| exif_mnote_data_ref (ExifMnoteData *d) |
| { |
| if (d && d->priv) d->priv->ref_count++; |
| } |
| |
| static void |
| exif_mnote_data_free (ExifMnoteData *d) |
| { |
| ExifMem *mem = d ? d->mem : NULL; |
| |
| if (!d) return; |
| if (d->priv) { |
| if (d->methods.free) d->methods.free (d); |
| exif_mem_free (mem, d->priv); |
| d->priv = NULL; |
| } |
| exif_log_unref (d->log); |
| exif_mem_free (mem, d); |
| exif_mem_unref (mem); |
| } |
| |
| void |
| exif_mnote_data_unref (ExifMnoteData *d) |
| { |
| if (!d || !d->priv) return; |
| if (d->priv->ref_count > 0) d->priv->ref_count--; |
| if (!d->priv->ref_count) |
| exif_mnote_data_free (d); |
| } |
| |
| void |
| exif_mnote_data_load (ExifMnoteData *d, const unsigned char *buf, |
| unsigned int buf_size) |
| { |
| if (!d || !d->methods.load) return; |
| d->methods.load (d, buf, buf_size); |
| } |
| |
| void |
| exif_mnote_data_save (ExifMnoteData *d, unsigned char **buf, |
| unsigned int *buf_size) |
| { |
| if (!d || !d->methods.save) return; |
| d->methods.save (d, buf, buf_size); |
| } |
| |
| void |
| exif_mnote_data_set_byte_order (ExifMnoteData *d, ExifByteOrder o) |
| { |
| if (!d || !d->methods.set_byte_order) return; |
| d->methods.set_byte_order (d, o); |
| } |
| |
| void |
| exif_mnote_data_set_offset (ExifMnoteData *d, unsigned int o) |
| { |
| if (!d || !d->methods.set_offset) return; |
| d->methods.set_offset (d, o); |
| } |
| |
| unsigned int |
| exif_mnote_data_count (ExifMnoteData *d) |
| { |
| if (!d || !d->methods.count) return 0; |
| return d->methods.count (d); |
| } |
| |
| unsigned int |
| exif_mnote_data_get_id (ExifMnoteData *d, unsigned int n) |
| { |
| if (!d || !d->methods.get_id) return 0; |
| return d->methods.get_id (d, n); |
| } |
| |
| const char * |
| exif_mnote_data_get_name (ExifMnoteData *d, unsigned int n) |
| { |
| if (!d || !d->methods.get_name) return NULL; |
| return d->methods.get_name (d, n); |
| } |
| |
| const char * |
| exif_mnote_data_get_title (ExifMnoteData *d, unsigned int n) |
| { |
| if (!d || !d->methods.get_title) return NULL; |
| return d->methods.get_title (d, n); |
| } |
| |
| const char * |
| exif_mnote_data_get_description (ExifMnoteData *d, unsigned int n) |
| { |
| if (!d || !d->methods.get_description) return NULL; |
| return d->methods.get_description (d, n); |
| } |
| |
| char * |
| exif_mnote_data_get_value (ExifMnoteData *d, unsigned int n, char *val, unsigned int maxlen) |
| { |
| if (!d || !d->methods.get_value) return NULL; |
| return d->methods.get_value (d, n, val, maxlen); |
| } |
| |
| void |
| exif_mnote_data_log (ExifMnoteData *d, ExifLog *log) |
| { |
| if (!d) return; |
| exif_log_unref (d->log); |
| d->log = log; |
| exif_log_ref (log); |
| } |