// -------------------------------------------------------------------
// Getter for a group name.
void ObjFileParser::getGroupName()
{
std::string strGroupName;
m_DataIt = getName<DataArrayIt>(m_DataIt, m_DataItEnd, strGroupName);
if( isEndOfBuffer( m_DataIt, m_DataItEnd ) ) {
return;
}
// Change active group, if necessary
if ( m_pModel->m_strActiveGroup != strGroupName )
{
// Search for already existing entry
ObjFile::Model::ConstGroupMapIt it = m_pModel->m_Groups.find(strGroupName);
// We are mapping groups into the object structure
createObject( strGroupName );
// New group name, creating a new entry
if (it == m_pModel->m_Groups.end())
{
std::vector<unsigned int> *pFaceIDArray = new std::vector<unsigned int>;
m_pModel->m_Groups[ strGroupName ] = pFaceIDArray;
m_pModel->m_pGroupFaceIDs = (pFaceIDArray);
}
else
{
m_pModel->m_pGroupFaceIDs = (*it).second;
}
m_pModel->m_strActiveGroup = strGroupName;
}
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
/* /////////////////////////////////////////////////////////////////////////////
* Texture Option
* /////////////////////////////////////////////////////////////////////////////
* According to http://en.wikipedia.org/wiki/Wavefront_.obj_file#Texture_options
* Texture map statement can contains various texture option, for example:
*
* map_Ka -o 1 1 1 some.png
* map_Kd -clamp on some.png
*
* So we need to parse and skip these options, and leave the last part which is
* the url of image, otherwise we will get a wrong url like "-clamp on some.png".
*
* Because aiMaterial supports clamp option, so we also want to return it
* /////////////////////////////////////////////////////////////////////////////
*/
void ObjFileMtlImporter::getTextureOption(bool &clamp)
{
m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
//If there is any more texture option
while (!isEndOfBuffer(m_DataIt, m_DataItEnd) && *m_DataIt == '-')
{
const char *pPtr( &(*m_DataIt) );
//skip option key and value
int skipToken = 1;
if (!ASSIMP_strincmp(pPtr, ClampOption.c_str(), ClampOption.size()))
{
DataArrayIt it = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
char value[3];
CopyNextWord(it, m_DataItEnd, value, sizeof(value) / sizeof(*value));
if (!ASSIMP_strincmp(value, "on", 2))
{
clamp = true;
}
skipToken = 2;
}
else if ( !ASSIMP_strincmp(pPtr, BlendUOption.c_str(), BlendUOption.size())
|| !ASSIMP_strincmp(pPtr, BlendVOption.c_str(), BlendVOption.size())
|| !ASSIMP_strincmp(pPtr, BoostOption.c_str(), BoostOption.size())
|| !ASSIMP_strincmp(pPtr, ResolutionOption.c_str(), ResolutionOption.size())
|| !ASSIMP_strincmp(pPtr, BumpOption.c_str(), BumpOption.size())
|| !ASSIMP_strincmp(pPtr, ChannelOption.c_str(), ChannelOption.size())
|| !ASSIMP_strincmp(pPtr, TypeOption.c_str(), TypeOption.size()) )
{
skipToken = 2;
}
else if (!ASSIMP_strincmp(pPtr, ModifyMapOption.c_str(), ModifyMapOption.size()))
{
skipToken = 3;
}
else if ( !ASSIMP_strincmp(pPtr, OffsetOption.c_str(), OffsetOption.size())
|| !ASSIMP_strincmp(pPtr, ScaleOption.c_str(), ScaleOption.size())
|| !ASSIMP_strincmp(pPtr, TurbulenceOption.c_str(), TurbulenceOption.size())
)
{
skipToken = 4;
}
for (int i = 0; i < skipToken; ++i)
{
m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
}
}
}
// -------------------------------------------------------------------
// Getter for a group name.
void ObjFileParser::getGroupName()
{
// Get next word from data buffer
m_DataIt = getNextToken<DataArrayIt>(m_DataIt, m_DataItEnd);
m_DataIt = getNextWord<DataArrayIt>(m_DataIt, m_DataItEnd);
if ( isEndOfBuffer( m_DataIt, m_DataItEnd ) )
return;
// Store groupname in group library
char *pStart = &(*m_DataIt);
while ( !isSeparator(*m_DataIt) )
m_DataIt++;
std::string strGroupName(pStart, &(*m_DataIt));
// Change active group, if necessary
if (m_pModel->m_strActiveGroup != strGroupName)
{
// Search for already existing entry
ObjFile::Model::ConstGroupMapIt it = m_pModel->m_Groups.find(&strGroupName);
// We are mapping groups into the object structure
/// TODO: Is this the right way to do it????
createObject( strGroupName );
// New group name, creating a new entry
if (it == m_pModel->m_Groups.end())
{
std::vector<unsigned int> *pFaceIDArray = new std::vector<unsigned int>;
m_pModel->m_Groups[ &strGroupName ] = pFaceIDArray;
m_pModel->m_pGroupFaceIDs = (pFaceIDArray);
}
else
{
m_pModel->m_pGroupFaceIDs = (*it).second;
}
m_pModel->m_strActiveGroup = strGroupName;
}
m_DataIt = skipLine<DataArrayIt>( m_DataIt, m_DataItEnd, m_uiLine );
}
inline void NetMessageReader::nextChar()
{
if (!isEndOfBuffer()) {
++pos_;
}
}
void NetMessageReader::parse()
{
while (!isEndOfBuffer()) {
if (std::isprint(currentChar())) {
TRACE("parse: '%c' (%d) %s", currentChar(), static_cast<int>(state()), state_str());
} else {
TRACE("parse: 0x%02X (%d) %s", currentChar(), static_cast<int>(state()), state_str());
}
switch (state()) {
case MESSAGE_BEGIN:
// Syntetic state. Go straight to TYPE.
case MESSAGE_TYPE:
switch (currentChar()) {
case '+':
case '-':
case ':':
currentContext_->type = static_cast<NetMessage::Type>(currentChar());
setState(MESSAGE_LINE_BEGIN);
nextChar();
break;
case '$':
currentContext_->type = NetMessage::String;
setState(BULK_BEGIN);
break;
case '*':
currentContext_->type = NetMessage::Array;
setState(MESSAGE_NUM_ARGS);
nextChar();
break;
default:
currentContext_->type = NetMessage::Nil;
setState(SYNTAX_ERROR);
return;
}
break;
case MESSAGE_LINE_BEGIN:
if (currentChar() == '\r') {
setState(SYNTAX_ERROR);
return;
}
setState(MESSAGE_LINE_OR_CR);
begin_ = pos_;
nextChar();
break;
case MESSAGE_LINE_OR_CR:
if (currentChar() == '\n') {
setState(SYNTAX_ERROR);
return;
}
if (currentChar() == '\r')
setState(MESSAGE_LINE_LF);
nextChar();
break;
case MESSAGE_LINE_LF: {
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
BufferRef value = buffer_->ref(begin_, pos_ - begin_ - 1);
switch (currentContext_->type) {
case NetMessage::Status:
currentContext_->message = NetMessage::createStatus(value);
break;
case NetMessage::Error:
currentContext_->message = NetMessage::createError(value);
break;
case NetMessage::String:
currentContext_->message = NetMessage::createString(value);
break;
case NetMessage::Number:
currentContext_->message = NetMessage::createNumber(value.toInt());
break;
default:
currentContext_->message = NetMessage::createNil();
break;
}
setState(MESSAGE_END);
nextChar();
popContext();
break;
}
case MESSAGE_NUM_ARGS: {
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
currentContext_->number *= 10;
currentContext_->number += currentChar() - '0';
setState(MESSAGE_NUM_ARGS_OR_CR);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
}
case MESSAGE_NUM_ARGS_OR_CR:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
currentContext_->number *= 10;
currentContext_->number += currentChar() - '0';
nextChar();
break;
case '\r':
setState(MESSAGE_LF);
currentContext_->message = NetMessage::createArray(currentContext_->number);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case MESSAGE_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
if (currentContext_->type == NetMessage::Array) {
setState(BULK_BEGIN);
pushContext();
} else {
setState(MESSAGE_END);
popContext();
}
break;
case BULK_BEGIN:
if (currentChar() != '$') {
setState(SYNTAX_ERROR);
return;
}
setState(BULK_SIZE);
nextChar();
break;
case BULK_SIZE:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
argSize_ *= 10;
argSize_ += currentChar() - '0';
setState(BULK_SIZE_OR_CR);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_SIZE_OR_CR:
switch (currentChar()) {
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
argSize_ *= 10;
argSize_ += currentChar() - '0';
nextChar();
break;
case '\r':
setState(BULK_SIZE_LF);
nextChar();
break;
default:
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_SIZE_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
setState(BULK_BODY_OR_CR);
begin_ = pos_;
break;
case BULK_BODY_OR_CR:
if (argSize_ > 0) {
argSize_ -= nextChar(argSize_);
} else if (currentChar() == '\r') {
BufferRef value = buffer_->ref(begin_, pos_ - begin_);
currentContext_->message = NetMessage::createString(value);
nextChar();
setState(BULK_BODY_LF);
} else {
setState(SYNTAX_ERROR);
return;
}
break;
case BULK_BODY_LF:
if (currentChar() != '\n') {
setState(SYNTAX_ERROR);
return;
}
nextChar();
setState(MESSAGE_END);
popContext();
break;
case MESSAGE_END:
// if we reach here, then only because
// there's garbage at the end of our message.
break;
case SYNTAX_ERROR:
fprintf(stderr, "NetMessageSocket message syntax error at offset %zi\n", pos_);
break;
default:
break;
}
}
}
