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Merge pull request #5155 from feuerste/alpha_graph 

Extend token search flag from alpha to graph.
pull/5157/head^2
Kim Kulling 2023-07-10 11:17:16 +02:00 committed by GitHub
parent e08cb0b5b8 0256047168
commit fe49a9ed94
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 4 deletions
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7
code/Common/BaseImporter.cpp
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@ -158,7 +158,7 @@ void BaseImporter::GetExtensionList(std::set<std::string> &extensions) {
std::size_t numTokens,
unsigned int searchBytes /* = 200 */,
bool tokensSol /* false */,
bool noAlphaBeforeTokens /* false */) {
bool noGraphBeforeTokens /* false */) {
ai_assert(nullptr != tokens);
ai_assert(0 != numTokens);
ai_assert(0 != searchBytes);
@ -207,8 +207,9 @@ void BaseImporter::GetExtensionList(std::set<std::string> &extensions) {
continue;
}
// We need to make sure that we didn't accidentally identify the end of another token as our token,
// e.g. in a previous version the "gltf " present in some gltf files was detected as "f "
if (noAlphaBeforeTokens && (r != buffer && isalpha(static_cast<unsigned char>(r[-1])))) {
// e.g. in a previous version the "gltf " present in some gltf files was detected as "f ", or a
// Blender-exported glb file containing "Khronos glTF Blender I/O " was detected as "o "
if (noGraphBeforeTokens && (r != buffer && isgraph(static_cast<unsigned char>(r[-1])))) {
continue;
}
// We got a match, either we don't care where it is, or it happens to

2
include/assimp/BaseImporter.h
View File

@ -259,7 +259,7 @@ public: // static utilities
std::size_t numTokens,
unsigned int searchBytes = 200,
bool tokensSol = false,
bool noAlphaBeforeTokens = false);
bool noGraphBeforeTokens = false);
// -------------------------------------------------------------------
/** @brief Check whether a file has a specific file extension