closes https://github.com/assimp/assimp/issues/2056: use correc exception type in MMD-loader.

code/BaseImporter.cpp

@@ -46,6 +46,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include <assimp/BaseImporter.h>
+#include <assimp/ParsingUtils.h>
 #include "FileSystemFilter.h"
 #include "Importer.h"
 #include <assimp/ByteSwapper.h>
@@ -53,6 +54,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include <assimp/Importer.hpp>
 #include <assimp/postprocess.h>
 #include <assimp/importerdesc.h>
+
 #include <ios>
 #include <list>
 #include <memory>
@@ -158,15 +160,14 @@ void BaseImporter::GetExtensionList(std::set<std::string>& extensions) {
     if (pStream.get() ) {
         // read 200 characters from the file
         std::unique_ptr<char[]> _buffer (new char[searchBytes+1 /* for the '\0' */]);
-        char* buffer = _buffer.get();
-
-        const size_t read = pStream->Read(buffer,1,searchBytes);
-        if( !read ) {
+        char *buffer( _buffer.get() );
+        const size_t read( pStream->Read(buffer,1,searchBytes) );
+        if( 0 == read ) {
             return false;
         }
 
         for( size_t i = 0; i < read; ++i ) {
-            buffer[ i ] = ::tolower( buffer[ i ] );
+            buffer[ i ] = static_cast<char>( ::tolower( buffer[ i ] ) );
         }
 
         // It is not a proper handling of unicode files here ...
@@ -187,7 +188,7 @@ void BaseImporter::GetExtensionList(std::set<std::string>& extensions) {
             token.clear();
             const char *ptr( tokens[ i ] );
             for ( size_t tokIdx = 0; tokIdx < len; ++tokIdx ) {
-                token.push_back( tolower( *ptr ) );
+                token.push_back( static_cast<char>( tolower( *ptr ) ) );
                 ++ptr;
             }
             const char* r = strstr( buffer, token.c_str() );
@@ -240,16 +241,19 @@ void BaseImporter::GetExtensionList(std::set<std::string>& extensions) {
 
 // ------------------------------------------------------------------------------------------------
 // Get file extension from path
-/*static*/ std::string BaseImporter::GetExtension (const std::string& pFile)
-{
-    std::string::size_type pos = pFile.find_last_of('.');
+std::string BaseImporter::GetExtension( const std::string& file ) {
+    std::string::size_type pos = file.find_last_of('.');
 
     // no file extension at all
-    if( pos == std::string::npos)
+    if (pos == std::string::npos) {
         return "";
+    }
+
+
+    // thanks to Andy Maloney for the hint
+    std::string ret = file.substr( pos + 1 );
+    std::transform( ret.begin(), ret.end(), ret.begin(), ToLower<char>);
 
-    std::string ret = pFile.substr(pos+1);
-    std::transform(ret.begin(),ret.end(),ret.begin(),::tolower); // thanks to Andy Maloney for the hint
     return ret;
 }
 

code/FileSystemFilter.h

@@ -67,7 +67,7 @@ public:
     FileSystemFilter(const std::string& file, IOSystem* old)
     : mWrapped  (old)
     , mSrc_file(file)
-    , sep(mWrapped->getOsSeparator()) {
+    , mSep(mWrapped->getOsSeparator()) {
         ai_assert(nullptr != mWrapped);
 
         // Determine base directory
@@ -116,7 +116,7 @@ public:
     // -------------------------------------------------------------------
     /** Returns the directory separator. */
     char getOsSeparator() const {
-        return sep;
+        return mSep;
     }
 
     // -------------------------------------------------------------------
@@ -256,7 +256,7 @@ private:
 
             while(true) {
                 tmp = mBase;
-                tmp += sep;
+                tmp += mSep;
 
                 std::string::size_type dirsep = in.rfind('/', last_dirsep);
                 if (std::string::npos == dirsep) {
@@ -298,7 +298,7 @@ private:
             in.erase(in.begin(),it+1);
         }
 
-        const char sep = getOsSeparator();
+        const char separator = getOsSeparator();
         for (it = in.begin(); it != in.end(); ++it) {
             // Exclude :// and \\, which remain untouched.
             // https://sourceforge.net/tracker/?func=detail&aid=3031725&group_id=226462&atid=1067632
@@ -313,7 +313,7 @@ private:
 
             // Cleanup path delimiters
             if (*it == '/' || (*it) == '\\') {
-                *it = sep;
+                *it = separator;
 
                 // And we're removing double delimiters, frequent issue with
                 // incorrectly composited paths ...
@@ -337,7 +337,7 @@ private:
 private:
     IOSystem *mWrapped;
     std::string mSrc_file, mBase;
-    char sep;
+    char mSep;
 };
 
 } //!ns Assimp

code/Importer.cpp

@@ -490,9 +490,9 @@ const aiScene* Importer::ReadFileFromMemory( const void* pBuffer,
     SetIOHandler(new MemoryIOSystem((const uint8_t*)pBuffer,pLength));
 
     // read the file and recover the previous IOSystem
-    static const size_t BufferSize(Importer::MaxLenHint + 28);
-    char fbuff[ BufferSize ];
-    ai_snprintf(fbuff, BufferSize, "%s.%s",AI_MEMORYIO_MAGIC_FILENAME,pHint);
+    static const size_t BufSize(Importer::MaxLenHint + 28);
+    char fbuff[BufSize];
+    ai_snprintf(fbuff, BufSize, "%s.%s",AI_MEMORYIO_MAGIC_FILENAME,pHint);
 
     ReadFile(fbuff,pFlags);
     SetIOHandler(io);
@@ -930,20 +930,19 @@ BaseImporter* Importer::GetImporter (const char* szExtension) const
 
 // ------------------------------------------------------------------------------------------------
 // Find a loader plugin for a given file extension
-size_t Importer::GetImporterIndex (const char* szExtension) const
-{
-    ai_assert(szExtension);
+size_t Importer::GetImporterIndex (const char* szExtension) const {
+    ai_assert(nullptr != szExtension);
 
     ASSIMP_BEGIN_EXCEPTION_REGION();
 
     // skip over wildcard and dot characters at string head --
-    for(;*szExtension == '*' || *szExtension == '.'; ++szExtension);
+    for ( ; *szExtension == '*' || *szExtension == '.'; ++szExtension );
 
     std::string ext(szExtension);
     if (ext.empty()) {
         return static_cast<size_t>(-1);
     }
-    std::transform(ext.begin(),ext.end(), ext.begin(), tolower);
+    std::transform( ext.begin(), ext.end(), ext.begin(), ToLower<char> );
 
     std::set<std::string> str;
     for (std::vector<BaseImporter*>::const_iterator i =  pimpl->mImporter.begin();i != pimpl->mImporter.end();++i)  {

code/MMDPmxParser.cpp

@@ -41,6 +41,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 #include <utility>
 #include "MMDPmxParser.h"
+#include <assimp/StringUtils.h>
 #include "../contrib/utf8cpp/source/utf8.h"
 #include <assimp/Exceptional.h>
 
@@ -118,7 +119,7 @@ namespace pmx
 		stream->read((char*) &count, sizeof(uint8_t));
 		if (count < 8)
 		{
-			throw;
+			throw DeadlyImportError("MMD: invalid size");
 		}
 		stream->read((char*) &encoding, sizeof(uint8_t));
 		stream->read((char*) &uv, sizeof(uint8_t));
@@ -395,7 +396,7 @@ namespace pmx
 			}
 			break;
 		default:
-			throw;
+            throw DeadlyImportError("MMD: unknown morth type");
 		}
 	}
 
@@ -476,8 +477,8 @@ namespace pmx
 	{
 		// 未実装
 		std::cerr << "Not Implemented Exception" << std::endl;
-		throw;
-	}
+        throw DeadlyImportError("MMD: Not Implemented Exception");
+    }
 
 	void PmxModel::Init()
 	{
@@ -516,15 +517,15 @@ namespace pmx
 		if (magic[0] != 0x50 || magic[1] != 0x4d || magic[2] != 0x58 || magic[3] != 0x20)
 		{
 			std::cerr << "invalid magic number." << std::endl;
-			throw;
-		}
+            throw DeadlyImportError("MMD: invalid magic number.");
+        }
 		// バージョン
 		stream->read((char*) &version, sizeof(float));
 		if (version != 2.0f && version != 2.1f)
 		{
 			std::cerr << "this is not ver2.0 or ver2.1 but " << version << "." << std::endl;
-			throw;
-		}
+            throw DeadlyImportError("MMD: this is not ver2.0 or ver2.1 but " + to_string(version));
+        }
 		// ファイル設定
 		this->setting.Read(stream);
 
@@ -605,34 +606,5 @@ namespace pmx
 		{
 			this->joints[i].Read(stream, &setting);
 		}
-
-		//if (this->version == 2.1f)
-		//{
-		//	stream->read((char*) &this->soft_body_count, sizeof(int));
-		//	this->soft_bodies = mmd::make_unique<PmxSoftBody []>(this->soft_body_count);
-		//	for (int i = 0; i < this->soft_body_count; i++)
-		//	{
-		//		this->soft_bodies[i].Read(stream, &setting);
-		//	}
-		//}
 	}
-
-	//std::unique_ptr<PmxModel> ReadFromFile(const char *filename)
-	//{
-	//	auto stream = std::ifstream(filename, std::ios_base::binary);
-	//	auto pmx = PmxModel::ReadFromStream(&stream);
-	//	if (!stream.eof())
-	//	{
-	//		std::cerr << "don't reach the end of file." << std::endl;
-	//	}
-	//	stream.close();
-	//	return pmx;
-	//}
-
-	//std::unique_ptr<PmxModel> ReadFromStream(std::istream *stream)
-	//{
-	//	auto pmx = mmd::make_unique<PmxModel>();
-	//	pmx->Read(stream);
-	//	return pmx;
-	//}
 }

code/SceneCombiner.cpp

@@ -707,30 +707,30 @@ void SceneCombiner::MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator
     // we work with hashes to make the comparisons MUCH faster,
     // at least if we have many bones.
     std::list<BoneWithHash> asBones;
-    BuildUniqueBoneList(asBones, it,end);
+    BuildUniqueBoneList( asBones, it, end );
 
     // now create the output bones
     out->mNumBones = 0;
     out->mBones = new aiBone*[asBones.size()];
 
-    for (std::list<BoneWithHash>::const_iterator it = asBones.begin(),end = asBones.end(); it != end;++it)  {
+    for (std::list<BoneWithHash>::const_iterator boneIt = asBones.begin(),boneEnd = asBones.end(); boneIt != boneEnd; ++boneIt )  {
         // Allocate a bone and setup it's name
         aiBone* pc = out->mBones[out->mNumBones++] = new aiBone();
-        pc->mName = aiString( *((*it).second ));
+        pc->mName = aiString( *( boneIt->second ));
 
-        std::vector< BoneSrcIndex >::const_iterator wend = (*it).pSrcBones.end();
+        std::vector< BoneSrcIndex >::const_iterator wend = boneIt->pSrcBones.end();
 
         // Loop through all bones to be joined for this bone
-        for (std::vector< BoneSrcIndex >::const_iterator wmit = (*it).pSrcBones.begin(); wmit != wend; ++wmit)  {
+        for (std::vector< BoneSrcIndex >::const_iterator wmit = boneIt->pSrcBones.begin(); wmit != wend; ++wmit)  {
             pc->mNumWeights += (*wmit).first->mNumWeights;
 
             // NOTE: different offset matrices for bones with equal names
             // are - at the moment - not handled correctly.
-            if (wmit != (*it).pSrcBones.begin() && pc->mOffsetMatrix != (*wmit).first->mOffsetMatrix)   {
+            if (wmit != boneIt->pSrcBones.begin() && pc->mOffsetMatrix != wmit->first->mOffsetMatrix) {
                 ASSIMP_LOG_WARN("Bones with equal names but different offset matrices can't be joined at the moment");
                 continue;
             }
-            pc->mOffsetMatrix = (*wmit).first->mOffsetMatrix;
+            pc->mOffsetMatrix = wmit->first->mOffsetMatrix;
         }
 
         // Allocate the vertex weight array
@@ -738,7 +738,7 @@ void SceneCombiner::MergeBones(aiMesh* out,std::vector<aiMesh*>::const_iterator
 
         // And copy the final weights - adjust the vertex IDs by the
         // face index offset of the corresponding mesh.
-        for (std::vector< BoneSrcIndex >::const_iterator wmit = (*it).pSrcBones.begin(); wmit != wend; ++wmit)  {
+        for (std::vector< BoneSrcIndex >::const_iterator wmit = (*boneIt).pSrcBones.begin(); wmit != wend; ++wmit)  {
             aiBone* pip = (*wmit).first;
             for (unsigned int mp = 0; mp < pip->mNumWeights;++mp,++avw) {
                 const aiVertexWeight& vfi = pip->mWeights[mp];
@@ -849,14 +849,14 @@ void SceneCombiner::MergeMeshes(aiMesh** _out, unsigned int /*flags*/,
         // copy vertex colors
         n = 0;
         while ((**begin).HasVertexColors(n))    {
-            aiColor4D* pv2 = out->mColors[n] = new aiColor4D[out->mNumVertices];
-            for (std::vector<aiMesh*>::const_iterator it = begin; it != end;++it)   {
+            aiColor4D *pVec2 = out->mColors[n] = new aiColor4D[out->mNumVertices];
+            for ( std::vector<aiMesh*>::const_iterator it = begin; it != end; ++it )   {
                 if ((*it)->mColors[n])  {
-                    ::memcpy(pv2,(*it)->mColors[n],(*it)->mNumVertices*sizeof(aiColor4D));
+                    ::memcpy( pVec2, (*it)->mColors[ n ], (*it)->mNumVertices * sizeof( aiColor4D ) ) ;
                 } else {
                     ASSIMP_LOG_WARN( "JoinMeshes: VCs expected but input mesh contains no VCs" );
                 }
-                pv2 += (*it)->mNumVertices;
+                pVec2 += (*it)->mNumVertices;
             }
             ++n;
         }

code/SpatialSort.cpp

@@ -223,7 +223,7 @@ namespace {
         if( (-42 == (~42 + 1)) && (binValue & 0x80000000))
             return BinFloat(1 << (CHAR_BIT * sizeof(BinFloat) - 1)) - binValue;
         // One's complement?
-        else if( (-42 == ~42) && (binValue & 0x80000000))
+        else if ( (-42 == ~42) && (binValue & 0x80000000))
             return BinFloat(-0) - binValue;
         // Sign-magnitude?
         else if( (-42 == (42 | (-0))) && (binValue & 0x80000000)) // -0 = 1000... binary