int
xps_open_stream(xps_context **ctxp, fz_stream *file)
{
xps_context *ctx;
int code;
ctx = fz_malloc(file->ctx, sizeof(xps_context));
memset(ctx, 0, sizeof(xps_context));
ctx->ctx = file->ctx;
ctx->file = fz_keep_stream(file);
code = xps_find_and_read_zip_dir(ctx);
if (code < 0)
{
xps_free_context(ctx);
return fz_error_note(file->ctx, code, "cannot read zip central directory");
}
code = xps_read_page_list(ctx);
if (code)
{
xps_free_context(ctx);
return fz_error_note(file->ctx, code, "cannot read page list");
}
*ctxp = ctx;
return fz_okay;
}
xps_document *
xps_open_document_with_stream(fz_context *ctx, fz_stream *file)
{
xps_document *doc;
doc = fz_malloc_struct(ctx, xps_document);
xps_init_document(ctx, doc);
fz_try(ctx)
{
doc->zip = fz_open_archive_with_stream(ctx, file);
xps_read_page_list(ctx, doc);
}
fz_catch(ctx)
{
xps_close_document(ctx, doc);
fz_rethrow(ctx);
}
return doc;
}
static xps_document *
xps_open_document_with_directory(fz_context *ctx, const char *directory)
{
xps_document *doc;
doc = fz_malloc_struct(ctx, xps_document);
xps_init_document(ctx, doc);
doc->zip = fz_open_directory(ctx, directory);
fz_try(ctx)
{
xps_read_page_list(ctx, doc);
}
fz_catch(ctx)
{
xps_close_document(ctx, doc);
fz_rethrow(ctx);
}
return doc;
}
static int
xps_open_directory(fz_context *fctx, xps_context **ctxp, char *directory)
{
xps_context *ctx;
int code;
ctx = fz_malloc(fctx, sizeof(xps_context));
memset(ctx, 0, sizeof(xps_context));
ctx->directory = fz_strdup(fctx, directory);
ctx->ctx = fctx;
code = xps_read_page_list(ctx);
if (code)
{
xps_free_context(ctx);
return fz_error_note(fctx, code, "cannot read page list");
}
*ctxp = ctx;
return fz_okay;
}