1 files changed, 103 insertions, 0 deletions
diff --git a/source/fitz/archive.c b/source/fitz/archive.c
new file mode 100644
index 00000000..a61ceb01
--- /dev/null
+++ b/source/fitz/archive.c
@@ -0,0 +1,103 @@
+#include "mupdf/fitz.h"
+
+fz_stream *
+fz_open_archive_entry(fz_context *ctx, fz_archive *arch, const char *name)
+{
+	if (!arch->open_entry)
+		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot open archive entry");
+	return arch->open_entry(ctx, arch, name);
+}
+
+fz_buffer *
+fz_read_archive_entry(fz_context *ctx, fz_archive *arch, const char *name)
+{
+	if (!arch->read_entry)
+		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot read archive entry");
+	return arch->read_entry(ctx, arch, name);
+}
+
+int
+fz_has_archive_entry(fz_context *ctx, fz_archive *arch, const char *name)
+{
+	if (!arch->has_entry)
+		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot check if archive has entry");
+	return arch->has_entry(ctx, arch, name);
+}
+
+const char *
+fz_list_archive_entry(fz_context *ctx, fz_archive *arch, int idx)
+{
+	if (!arch->list_entry)
+		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot list archive entries");
+	return arch->list_entry(ctx, arch, idx);
+}
+int
+fz_count_archive_entries(fz_context *ctx, fz_archive *arch)
+{
+	if (!arch->count_entries)
+		fz_throw(ctx, FZ_ERROR_GENERIC, "cannot count archive entries");
+	return arch->count_entries(ctx, arch);
+}
+
+const char *
+fz_archive_format(fz_context *ctx, fz_archive *arch)
+{
+	return arch->format;
+}
+
+fz_archive *
+fz_new_archive_of_size(fz_context *ctx, fz_stream *file, int size)
+{
+	fz_archive *arch;
+	arch = Memento_label(fz_calloc(ctx, 1, size), "fz_archive");
+	arch->file = fz_keep_stream(ctx, file);
+	return arch;
+}
+
+fz_archive *
+fz_open_archive_with_stream(fz_context *ctx, fz_stream *file)
+{
+	fz_archive *arch = NULL;
+
+	fz_try(ctx)
+	{
+		if (fz_is_zip_archive(ctx, file))
+			arch = fz_open_zip_archive_with_stream(ctx, file);
+		else
+			fz_throw(ctx, FZ_ERROR_GENERIC, "cannot recognize archive");
+	}
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+
+	return arch;
+}
+
+fz_archive *
+fz_open_archive(fz_context *ctx, const char *filename)
+{
+	fz_stream *file;
+	fz_archive *arch = NULL;
+
+	file = fz_open_file(ctx, filename);
+
+	fz_try(ctx)
+		arch = fz_open_archive_with_stream(ctx, file);
+	fz_always(ctx)
+		fz_drop_stream(ctx, file);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+
+	return arch;
+}
+
+void
+fz_drop_archive(fz_context *ctx, fz_archive *arch)
+{
+	if (!arch)
+		return;
+
+	if (arch->drop_archive)
+		arch->drop_archive(ctx, arch);
+	fz_drop_stream(ctx, arch->file);
+	fz_free(ctx, arch);
+}