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Perform metadata check

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This commit is contained in:
Marcus Holland-Moritz 2023-07-22 18:13:33 +02:00
parent c2da034983
commit 6ddbcad93b
2 changed files with 17 additions and 0 deletions
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7
include/dwarfs/contextual_option.h
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@ -87,6 +87,13 @@ class contextual_option {
return default_ && pred(*default_); return default_ && pred(*default_);
} }
template <typename T>
void visit_contextual(T&& visitor) const {
for (auto const& [ctx, val] : contextual_) {
visitor(ctx, val);
}
}
private: private:
std::optional<value_type> get_optional_impl(context_type const& ctx) const { std::optional<value_type> get_optional_impl(context_type const& ctx) const {
if (auto it = contextual_.find(ctx); it != contextual_.end()) { if (auto it = contextual_.find(ctx); it != contextual_.end()) {

10
src/mkdwarfs_main.cpp
View File

@ -1022,6 +1022,16 @@ int mkdwarfs_main(int argc, sys_char** argv) {
compressor_parser); compressor_parser);
cop.parse(compression); cop.parse(compression);
cop.dump(std::cerr); cop.dump(std::cerr);
compression_opt.visit_contextual([catmgr = options.inode.categorizer_mgr](
auto cat, block_compressor const& bc) {
if (!bc.check_metadata(catmgr->category_metadata_sample(cat))) {
throw std::runtime_error(
fmt::format("compression '{}' cannot be used for category '{}': "
"insufficient metadata",
bc.describe(), catmgr->category_name(cat)));
}
});
} catch (std::exception const& e) { } catch (std::exception const& e) {
LOG_ERROR << e.what(); LOG_ERROR << e.what();
return 1; return 1;