ASSIMP_ENABLE_DEV_IMPORTERS env var to control registration of wip importers; applied to X3D

- GetImporterInstanceList reads ASSIMP_ENABLE_DEV_IMPORTERS env var. Development importers are enabled if the env var is set and is not equal to the literal string "0".
- X3D importer will not be registered unless ASSIMP_ENABLE_DEV_IMPORTERS is set; addresses #3647.

TODO: If this change is incorporated, it should be documented.
NOTE: Effective git branch structure is a better solution. This is an alternate for #3825.
pull/3834/head
Jason C 2021-04-28 11:16:49 -04:00 committed by GitHub
parent 74577ae3c7
commit cf498c979a
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1 changed files with 15 additions and 2 deletions

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@ -48,6 +48,7 @@ corresponding preprocessor flag to selectively disable formats.
#include <assimp/BaseImporter.h>
#include <vector>
#include <cstdlib>
// ------------------------------------------------------------------------------------------------
// Importers
@ -204,7 +205,17 @@ corresponding preprocessor flag to selectively disable formats.
namespace Assimp {
// ------------------------------------------------------------------------------------------------
void GetImporterInstanceList(std::vector<BaseImporter *> &out) {
void GetImporterInstanceList(std::vector<BaseImporter *> &out) {
// Some importers may be unimplemented or otherwise unsuitable for general use
// in their current state. Devs can set ASSIMP_ENABLE_DEV_IMPORTERS in their
// local environment to enable them, otherwise they're left out of the registry.
const char *envStr = std::getenv("ASSIMP_ENABLE_DEV_IMPORTERS");
bool devImportersEnabled = envStr && strcmp(envStr, "0");
// Ensure no unused var warnings if all uses are #ifndef'd away below:
(void)devImportersEnabled;
// ----------------------------------------------------------------------------
// Add an instance of each worker class here
// (register_new_importers_here)
@ -354,7 +365,9 @@ void GetImporterInstanceList(std::vector<BaseImporter *> &out) {
out.push_back(new D3MFImporter());
#endif
#ifndef ASSIMP_BUILD_NO_X3D_IMPORTER
out.push_back(new X3DImporter());
if (devImportersEnabled) { // https://github.com/assimp/assimp/issues/3647
out.push_back(new X3DImporter());
}
#endif
#ifndef ASSIMP_BUILD_NO_MMD_IMPORTER
out.push_back(new MMDImporter());