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ArchivePlugin: replace scan_reset(), scan_next() with visit()

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Add the interface ArchiveVisitor.
This commit is contained in:
Max Kellermann
2013-01-29 21:21:07 +01:00
parent a42f9fd4e2
commit 9f0fb8f6a8
8 changed files with 83 additions and 125 deletions
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19
src/ArchivePlugin.hxx
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@@ -26,6 +26,7 @@
struct input_stream;
struct archive_file;
class ArchiveVisitor;
struct archive_plugin {
const char *name;
@@ -51,18 +52,9 @@ struct archive_plugin {
struct archive_file *(*open)(const char *path_fs, GError **error_r);
/**
* reset routine will move current read index in archive to default
* position and then the filenames from archives can be read
* via scan_next routine
* Visit all entries inside this archive.
*/
void (*scan_reset)(struct archive_file *);
/**
* the read method will return corresponding files from archive
* (as pathnames) and move read index to next file. When there is no
* next file it return NULL.
*/
const char *(*scan_next)(struct archive_file *);
void (*visit)(archive_file *af, ArchiveVisitor &visitor);
/**
* Opens an input_stream of a file within the archive.
@@ -96,10 +88,7 @@ void
archive_file_close(struct archive_file *file);
void
archive_file_scan_reset(struct archive_file *file);
const char *
archive_file_scan_next(struct archive_file *file);
archive_file_visit(archive_file *file, ArchiveVisitor &visitor);
struct input_stream *
archive_file_open_stream(struct archive_file *file, const char *path,