STATIC const char *doInclude( const char *str ) {
int fh;
char *file;
char *file_name;
const char *env_var;
/**/myassert( str != NULL );
if( isBreakChar( *str ) ) unrecognized( '@' );
file_name = getFile( &str );
env_var = getenv( file_name );
if( env_var != NULL ) {
MemFree( file_name );
parseString( env_var );
} else {
/* both these functions use a lot of stack, so we separate them */
fh = openIncludeFile( file_name );
MemFree( file_name );
file = readIncludeFile( fh );
if( file != NULL ) {
parseString( file );
MemFree( file );
}
}
return( str );
}
void TestContextMenuPrivate::onOpenIncludeFile()
{
emit openIncludeFile(m_includeFile);
}
bool GLProgram::parseProgramSource(InputStream* input,
std::vector<std::string>& vertex, std::vector<std::string>& fragment,
std::vector<std::string>* what) const
{
bool success = true;
int lineNumber = 0;
Z_CHECK(input != nullptr);
if (!input)
return false;
static const std::string VERTEX = "%vertex";
static const std::string VERTEX_LF = "%vertex\n";
static const std::string FRAGMENT = "%fragment";
static const std::string FRAGMENT_LF = "%fragment\n";
static const std::string BOTH = "%both";
static const std::string BOTH_LF = "%both\n";
static const std::string INCLUDE = "%include ";
static const std::string LF = "\n";
while (!input->atEnd()) {
std::string line = input->readLine(true);
++lineNumber;
size_t index = line.find("//");
if (index != std::string::npos) {
bool endsWithLF = false;
size_t length = line.length();
if (length > 1 && line[length - 1] == '\n')
endsWithLF = true;
line = line.substr(0, index);
if (endsWithLF)
line += '\n';
}
if (*line.c_str() == '%') {
if (line == VERTEX_LF || line == VERTEX)
what = &vertex;
else if (line == FRAGMENT_LF || line == FRAGMENT)
what = &fragment;
else if (line == BOTH_LF || line == BOTH)
what = nullptr;
else if (line.substr(0, INCLUDE.length()) == INCLUDE) {
auto include = openIncludeFile(line.substr(INCLUDE.length()), input->name());
success = parseProgramSource(include.get(), vertex, fragment, what) && success;
} else {
Z_LOG(input->name() << "(" << lineNumber << "): invalid directive.");
what = nullptr;
success = false;
}
continue;
}
if (what)
what->emplace_back(std::move(line));
else {
vertex.emplace_back(line);
fragment.emplace_back(std::move(line));
}
}
return success;
}
