ParseResult IEbmlElement::ParseFromFile()
{
//std::cout << "On parsing IEbmlElement from file\n";
PreClean();
if (this->m_pReader == nullptr) return FAILED;
long long total, available;
m_pReader->Length(&total, &available);
if (total > available) return E_FILE_FORMAT_INVALID;
BytePostion cur_pos = this->GetDataStart();
BytePostion stop_pos = this->GetDataSize() + cur_pos;
if (stop_pos > total) return E_FILE_FORMAT_INVALID;
if (cur_pos > stop_pos) return E_FILE_FORMAT_INVALID;
while (cur_pos < stop_pos)
{
//std::cout << "e_start: " << cur_pos << std::endl;
Uint64 status;
long length = -1;
BytePostion e_start = cur_pos;
// Read ID
status = ReadID(this->m_pReader, cur_pos, length);
if (status < 0) return E_FILE_FORMAT_INVALID;
if (!CheckIDLength(length)) return E_FILE_FORMAT_INVALID;
cur_pos += length; // Consumes ID
EbmlID id = (EbmlID)status;
//std::cout << "ID: " << id << std::endl;
// Read DataSize
status = ReadUInt(this->m_pReader, cur_pos, length);
if (status < 0) return E_FILE_FORMAT_INVALID;
if (!CheckElementSize(length)) return E_FILE_FORMAT_INVALID;
//std::cout << "d_size: " << status << std::endl;
cur_pos += length; // Consumes Size
Uint64 d_size = status;
// Read Data
//std::cout << "d_start: " << cur_pos << std::endl;
//std::cout << std::endl;
status = ParseChild(e_start, cur_pos + d_size - e_start, cur_pos, d_size, id);
if (status != SUCCESS) return status;
if (cur_pos > stop_pos) return E_FILE_FORMAT_INVALID;
cur_pos += d_size;
}
if (cur_pos != stop_pos) return E_FILE_FORMAT_INVALID;
AFewMoreActions();
return SUCCESS;
}
bool TemplateParser::ParseMacro()
{
Ident ident;
ident = ParseIdent();
switch (ident)
{
case ID_WXPARENT:
return ParseWxParent();
break;
case ID_PARENT:
return ParseParent();
break;
case ID_FORM:
return ParseForm();
break;
case ID_IFNOTNULL:
return ParseIfNotNull();
break;
case ID_IFNULL:
return ParseIfNull();
break;
case ID_FOREACH:
return ParseForEach();
break;
case ID_PREDEFINED:
return ParsePred();
break;
case ID_PREDEFINED_INDEX:
return ParseNPred();
break;
case ID_CHILD:
return ParseChild();
break;
case ID_NEWLINE:
return ParseNewLine();
break;
case ID_IFEQUAL:
ParseIfEqual();
break;
case ID_IFNOTEQUAL:
ParseIfNotEqual();
break;
case ID_IFPARENTTYPEEQUAL:
ParseIfParentTypeEqual();
break;
case ID_IFPARENTCLASSEQUAL:
ParseIfParentClassEqual();
break;
case ID_IFPARENTTYPENOTEQUAL:
ParseIfParentTypeNotEqual();
break;
case ID_IFPARENTCLASSNOTEQUAL:
ParseIfParentClassNotEqual();
break;
case ID_APPEND:
ParseAppend();
break;
case ID_CLASS:
ParseClass();
break;
case ID_INDENT:
ParseIndent();
break;
case ID_UNINDENT:
ParseUnindent();
break;
case ID_IFTYPEEQUAL:
ParseIfTypeEqual();
break;
case ID_IFTYPENOTEQUAL:
ParseIfTypeNotEqual();
break;
case ID_UTBL:
ParseLuaTable();
break;
default:
THROW_WXFBEX( wxT("Invalid Macro Type") );
break;
}
return true;
}
