From b6d80895594816fcb9f3a7f69a513f985db89272 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Fri, 8 Jul 2011 13:13:17 +0300
Subject: Implement the --info option.

* NEWS: Update.
* configure.ac: Version 1.2.90
* doc/idest.texi: Document the --info option.
* libid3tag/file.c (id3_file_struct_ntags)
(id3_file_struct_iterate): New functions.
* libid3tag/file.h (id3_file_struct_ntags)
(id3_file_struct_iterate): New protos.
(id3_file_struct_iterator_t): New data type.
* src/cmdline.opt: New option --info.
* src/idest.h (info_id3): New proto.
(del_id3v2): Remove.
* src/idop.c (info_id3): New function.
* src/main.c (id3_mode): Add info_id3.
---
 libid3tag/file.c | 27 +++++++++++++++++++++++++++
 libid3tag/file.h | 11 +++++++++++
 2 files changed, 38 insertions(+)

(limited to 'libid3tag')

diff --git a/libid3tag/file.c b/libid3tag/file.c
index 1feb504..7c483ef 100644
--- a/libid3tag/file.c
+++ b/libid3tag/file.c
@@ -885,3 +885,30 @@ id3_file_update(struct id3_file *file)
 
 	return result;
 }
+
+unsigned int
+id3_file_struct_ntags(struct id3_file *file)
+{
+	assert(file);
+	return file->ntags;
+}
+	
+int
+id3_file_struct_iterate(struct id3_file *file,
+			id3_file_struct_iterator_t fun,
+			void *data)
+{
+	int i;
+	int rc = 0;
+
+	assert(file);
+	
+	for (i = 0; i < file->ntags; i++) {
+		struct filetag *tag = file->tags + i;
+
+		rc = fun(tag->tag, tag->location, tag->length, data);
+		if (rc)
+			break;
+	}
+	return 0;
+}
diff --git a/libid3tag/file.h b/libid3tag/file.h
index c948b84..304b654 100644
--- a/libid3tag/file.h
+++ b/libid3tag/file.h
@@ -22,4 +22,15 @@
 #ifndef LIBID3TAG_FILE_H
 # define LIBID3TAG_FILE_H
 
+unsigned int id3_file_struct_ntags(struct id3_file *file);
+
+typedef int (*id3_file_struct_iterator_t)(struct id3_tag *tag,
+					  unsigned long location,
+					  id3_length_t length,
+					  void *data);
+int id3_file_struct_iterate(struct id3_file *file,
+			    id3_file_struct_iterator_t fun,
+			    void *data);
+
+
 #endif
-- 
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