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Document requirement for custom string types to implement empty() and be constructible from std::string.

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Add new option --cpp-str-flex-ctor to construct custom string types not via std::string, but (char * + length).
This commit is contained in:
Luca Longinotti
2019-03-01 16:15:36 +01:00
parent 28cb2e92d5
commit 92b90d7f0f
5 changed files with 44 additions and 9 deletions
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3
include/flatbuffers/idl.h
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@@ -410,6 +410,7 @@ struct IDLOptions {
bool gen_compare;
std::string cpp_object_api_pointer_type;
std::string cpp_object_api_string_type;
bool cpp_object_api_string_flexible_constructor;
bool gen_nullable;
bool gen_generated;
std::string object_prefix;
@@ -486,6 +487,7 @@ struct IDLOptions {
generate_object_based_api(false),
gen_compare(false),
cpp_object_api_pointer_type("std::unique_ptr"),
cpp_object_api_string_flexible_constructor(false),
gen_nullable(false),
gen_generated(false),
object_suffix("T"),
@@ -627,6 +629,7 @@ class Parser : public ParserState {
known_attributes_["cpp_ptr_type"] = true;
known_attributes_["cpp_ptr_type_get"] = true;
known_attributes_["cpp_str_type"] = true;
known_attributes_["cpp_str_flex_ctor"] = true;
known_attributes_["native_inline"] = true;
known_attributes_["native_custom_alloc"] = true;
known_attributes_["native_type"] = true;