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use std::ffi::c_uint;
use bitflags::bitflags;
use gdal_sys::GDALAccess;
/// Open options for [`crate::Dataset`]
#[derive(Debug, Default)]
pub struct DatasetOptions<'a> {
pub open_flags: GdalOpenFlags,
pub allowed_drivers: Option<&'a [&'a str]>,
pub open_options: Option<&'a [&'a str]>,
pub sibling_files: Option<&'a [&'a str]>,
}
// These are skipped by bindgen and manually updated.
bitflags! {
/// GDal extended open flags used by [`Dataset::open_ex`].
///
/// Used in the `nOpenFlags` argument to [`GDALOpenEx`].
///
/// Note that the `GDAL_OF_SHARED` option is removed
/// from the set of allowed option because it subverts
/// the [`Send`] implementation that allow passing the
/// dataset the another thread. See
/// https://github.com/georust/gdal/issues/154.
///
/// [`GDALOpenEx`]: https://gdal.org/doxygen/gdal_8h.html#a9cb8585d0b3c16726b08e25bcc94274a
#[derive(Debug)]
#[allow(clippy::assign_op_pattern)]
pub struct GdalOpenFlags: c_uint {
/// Open in read-only mode (default).
const GDAL_OF_READONLY = 0x00;
/// Open in update mode.
const GDAL_OF_UPDATE = 0x01;
/// Allow raster and vector drivers to be used.
const GDAL_OF_ALL = 0x00;
/// Allow raster drivers to be used.
const GDAL_OF_RASTER = 0x02;
/// Allow vector drivers to be used.
const GDAL_OF_VECTOR = 0x04;
/// Allow gnm drivers to be used.
const GDAL_OF_GNM = 0x08;
/// Allow multidimensional raster drivers to be used.
const GDAL_OF_MULTIDIM_RASTER = 0x10;
/// Emit error message in case of failed open.
const GDAL_OF_VERBOSE_ERROR = 0x40;
/// Open as internal dataset. Such dataset isn't
/// registered in the global list of opened dataset.
/// Cannot be used with GDAL_OF_SHARED.
const GDAL_OF_INTERNAL = 0x80;
/// Open in thread-safe mode. Not compatible with
/// GDAL_OF_VECTOR, GDAL_OF_MULTIDIM_RASTER or GDAL_OF_UPDATE.
#[cfg(any(all(major_ge_3, minor_ge_10), major_ge_4))]
const GDAL_OF_THREAD_SAFE = 0x800;
/// Default strategy for cached blocks.
const GDAL_OF_DEFAULT_BLOCK_ACCESS = 0;
/// Array based strategy for cached blocks.
const GDAL_OF_ARRAY_BLOCK_ACCESS = 0x100;
/// Hashset based strategy for cached blocks.
const GDAL_OF_HASHSET_BLOCK_ACCESS = 0x200;
}
}
impl Default for GdalOpenFlags {
fn default() -> GdalOpenFlags {
GdalOpenFlags::GDAL_OF_READONLY
}
}
impl From<GDALAccess::Type> for GdalOpenFlags {
fn from(val: GDALAccess::Type) -> GdalOpenFlags {
if val == GDALAccess::GA_Update {
GdalOpenFlags::GDAL_OF_UPDATE
} else {
GdalOpenFlags::GDAL_OF_READONLY
}
}
}