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#include "luaquerymapper.h"
static std::string loadresultstring(QueryResult &res, std::string group = "")
{
std::string s;
std::map< std::string, std::string >::iterator v = res.values.begin();
while(v != res.values.end()) {
s += group + (*v).first + " = \"" + (*v).second + "\"\n";
v++;
}
std::map< std::string, QueryResult >::iterator g = res.groups.begin();
while(g != res.groups.end()) {
s += group + (*g).first + " = {}\n";
s += loadresultstring((*g).second, group + (*g).first + ".");
g++;
}
return s;
}
LUAQueryMapper::LUAQueryMapper(QueryResult &res)
{
L = luaL_newstate();
if(L == NULL) {
}
luaL_openlibs(L);
std::string preload = loadresultstring(res);
int s = luaL_loadbuffer(L, preload.c_str(), preload.size(), "preload");
switch(s) {
case 0:
break;
case LUA_ERRSYNTAX:
case LUA_ERRMEM:
case LUA_ERRFILE:
break;
default:
break;
}
lua_pcall(L, 0, LUA_MULTRET, 0);
}
LUAQueryMapper::~LUAQueryMapper()
{
lua_close(L);
}
std::string LUAQueryMapper::map(const std::string &mapper)
{
int s = luaL_loadbuffer(L, mapper.c_str(), mapper.size(), "mapper");
switch(s) {
case 0:
break;
case LUA_ERRSYNTAX:
case LUA_ERRMEM:
case LUA_ERRFILE:
break;
default:
break;
}
lua_pcall(L, 0, LUA_MULTRET, 0);
return lua_tostring(L, lua_gettop(L));
}
#ifdef TEST_LUAQUERYMAPPER
#include "queryhandler.h"
#include "queryparser.h"
int main()
{
TCPSocket s;
s.connect("localhost", 11108);
QueryHandler qh(&s, "2003791613");
Query q1;
q1.attributes["device_id"] = "lensmeter";
q1.attributes["device_type"] = "lensmeter";
std::string res = qh.exec();
printf("%s\n", res.c_str());
QueryParser e(res);
e.parse();
printf("%s\n", loadresultstring(e.result).c_str());
LUAQueryMapper mapper(e.result);
std::string luamap = "return right.sphere";
printf("%s : %s\n", luamap.c_str(), mapper.map(luamap).c_str());
luamap = "return math.sin(right.cyl) * 2";
printf("%s : %s\n", luamap.c_str(), mapper.map(luamap).c_str());
return 0;
}
#endif
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