void ElementDocumentWrapper::PreprocessCode(Rocket::Core::String &code, Rocket::Core::Stream *stream)
{
// Load in the script
Rocket::Core::String buffer;
stream->Read(buffer, stream->Length());
// Strip comments and build up code
code = "";
size_t i = 0;
size_t line_start = 0;
enum ParseState { START, COMMENT, DATA };
ParseState state = START;
while (i < buffer.Length())
{
// Python doesn't like \r's, strip them
if (buffer[i] == '\r')
{
buffer.Erase(i, 1);
// Make sure we get out if there are no characters left
if (i == buffer.Length())
continue;
}
switch (state)
{
case START:
{
// Check for the start of comments or non whitespace data
if (buffer[i] == '#')
state = COMMENT;
else if (!Rocket::Core::StringUtilities::IsWhitespace(buffer[i]))
state = DATA;
}
break;
default:
{
// If we've hit the end of the line, process as required
if (buffer[i] == '\n')
{
if (state == DATA)
code += buffer.Substring(line_start, i - line_start + 1);
state = START;
line_start = i + 1;
}
}
break;
}
i++;
}
}
// Sets up data source and table from a given string.
bool DataSourceListener::ParseDataSource(DataSource*& data_source, Rocket::Core::String& table_name, const Rocket::Core::String& data_source_name)
{
if (data_source_name.Length() == 0)
{
data_source = NULL;
table_name = "";
return false;
}
Rocket::Core::StringList data_source_parts;
Rocket::Core::StringUtilities::ExpandString(data_source_parts, data_source_name, '.');
DataSource* new_data_source = DataSource::GetDataSource(data_source_parts[0].CString());
if (data_source_parts.size() != 2 || !new_data_source)
{
Rocket::Core::Log::Message(Rocket::Core::Log::LT_ERROR, "Bad data source name %s", data_source_name.CString());
data_source = NULL;
table_name = "";
return false;
}
data_source = new_data_source;
table_name = data_source_parts[1];
return true;
}
// reduces an rml string to a common format so two rml strings can be compared
static Rocket::Core::String ReduceRML( const Rocket::Core::String &rml )
{
Rocket::Core::String ret;
Rocket::Core::String::size_type length = rml.Length();
ret.Reserve( length );
for ( int i = 0; i < length; i++ )
{
if ( rml[ i ] == ' ' || rml[ i ] == '\n' )
{
continue;
}
if ( rml[ i ] == '"' )
{
ret += '\'';
}
else
{
ret += rml[ i ];
}
}
return ret;
}
// Called by Rocket when a texture is required by the library.
bool RocketSDL2Renderer::LoadTexture(Rocket::Core::TextureHandle& texture_handle, Rocket::Core::Vector2i& texture_dimensions, const Rocket::Core::String& source)
{
Rocket::Core::FileInterface* file_interface = Rocket::Core::GetFileInterface();
Rocket::Core::FileHandle file_handle = file_interface->Open(source);
if (!file_handle)
return false;
file_interface->Seek(file_handle, 0, SEEK_END);
size_t buffer_size = file_interface->Tell(file_handle);
file_interface->Seek(file_handle, 0, SEEK_SET);
char* buffer = new char[buffer_size];
file_interface->Read(buffer, buffer_size, file_handle);
file_interface->Close(file_handle);
size_t i;
for(i = source.Length() - 1; i > 0; i--)
{
if(source[i] == '.')
break;
}
Rocket::Core::String extension = source.Substring(i+1, source.Length()-i);
SDL_Surface* surface = IMG_LoadTyped_RW(SDL_RWFromMem(buffer, buffer_size), 1, extension.CString());
if (surface) {
SDL_Texture *texture = SDL_CreateTextureFromSurface(mRenderer, surface);
if (texture) {
texture_handle = (Rocket::Core::TextureHandle) texture;
texture_dimensions = Rocket::Core::Vector2i(surface->w, surface->h);
SDL_FreeSurface(surface);
}
else
{
return false;
}
return true;
}
return false;
}
void Interpreter::DoString(const Rocket::Core::String& code, const Rocket::Core::String& name)
{
if(luaL_loadbuffer(_L,code.CString(),code.Length(), name.CString()) != 0)
Report(_L);
else
{
if(lua_pcall(_L,0,0,0) != 0)
Report(_L);
}
}
void Interpreter::LoadString(const Rocket::Core::String& code, const Rocket::Core::String& name)
{
if(luaL_loadbuffer(_L,code.CString(),code.Length(), name.CString()) != 0)
Report(_L);
}