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Merge pull request #2022 from mc-server/ForEachCommandAPIFix 

Fixed cPluginManager:ForEachCommand() and ForEachConsoleCommand()
This commit is contained in:
worktycho 2015-05-14 19:13:06 +01:00
parent c3804f08c8 163aebf8ca
commit 774609b405
1 changed files with 56 additions and 95 deletions
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151
src/Bindings/ManualBindings.cpp
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@ -747,39 +747,38 @@ static int tolua_cPluginManager_AddHook(lua_State * tolua_S)
static int tolua_cPluginManager_ForEachCommand(lua_State * tolua_S) static int tolua_cPluginManager_ForEachCommand(lua_State * tolua_S)
{ {
int NumArgs = lua_gettop(tolua_S) - 1; /* This includes 'self' */ /*
if (NumArgs != 1) Function signature:
cPluginManager:Get():ForEachCommand(a_CallbackFn) -> bool
*/
// Check params:
cLuaState L(tolua_S);
if (
!L.CheckParamUserType(1, "cPluginManager") ||
!L.CheckParamFunction(2) ||
!L.CheckParamEnd(3)
)
{ {
LOGWARN("Error in function call 'ForEachCommand': Requires 1 argument, got %i", NumArgs);
return 0; return 0;
} }
cPluginManager * self = (cPluginManager *)tolua_tousertype(tolua_S, 1, nullptr); // Get the params:
if (self == nullptr) cLuaState::cRef FnRef;
{ L.GetStackValues(2, FnRef);
LOGWARN("Error in function call 'ForEachCommand': Not called on an object instance"); if (!FnRef.IsValid())
return 0;
}
if (!lua_isfunction(tolua_S, 2))
{
LOGWARN("Error in function call 'ForEachCommand': Expected a function for parameter #1");
return 0;
}
int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
if (FuncRef == LUA_REFNIL)
{ {
LOGWARN("Error in function call 'ForEachCommand': Could not get function reference of parameter #1"); LOGWARN("Error in function call 'ForEachCommand': Could not get function reference of parameter #1");
return 0; return 0;
} }
// Callback for enumerating all commands:
class cLuaCallback : public cPluginManager::cCommandEnumCallback class cLuaCallback : public cPluginManager::cCommandEnumCallback
{ {
public: public:
cLuaCallback(lua_State * a_LuaState, int a_FuncRef): cLuaCallback(cLuaState & a_LuaState, cLuaState::cRef & a_FnRef):
LuaState(a_LuaState), m_LuaState(a_LuaState),
FuncRef(a_FuncRef) m_FnRef(a_FnRef)
{ {
} }
@ -787,35 +786,16 @@ static int tolua_cPluginManager_ForEachCommand(lua_State * tolua_S)
virtual bool Command(const AString & a_Command, const cPlugin * a_Plugin, const AString & a_Permission, const AString & a_HelpString) override virtual bool Command(const AString & a_Command, const cPlugin * a_Plugin, const AString & a_Permission, const AString & a_HelpString) override
{ {
UNUSED(a_Plugin); UNUSED(a_Plugin);
bool ret = false;
lua_rawgeti(LuaState, LUA_REGISTRYINDEX, FuncRef); /* Push function reference */ m_LuaState.Call(m_FnRef, a_Command, a_Permission, a_HelpString, cLuaState::Return, ret);
tolua_pushcppstring(LuaState, a_Command); return ret;
tolua_pushcppstring(LuaState, a_Permission);
tolua_pushcppstring(LuaState, a_HelpString);
int s = lua_pcall(LuaState, 3, 1, 0);
if (cLuaState::ReportErrors(LuaState, s))
{
return true; /* Abort enumeration */
}
if (lua_isboolean(LuaState, -1))
{
return (tolua_toboolean(LuaState, -1, 0) > 0);
}
return false; /* Continue enumeration */
} }
lua_State * LuaState; cLuaState & m_LuaState;
int FuncRef; cLuaState::cRef & m_FnRef;
} Callback(tolua_S, FuncRef); } Callback(L, FnRef);
bool bRetVal = self->ForEachCommand(Callback); // Execute and push the returned value:
L.Push(cPluginManager::Get()->ForEachCommand(Callback));
/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);
/* Push return value on stack */
tolua_pushboolean(tolua_S, bRetVal);
return 1; return 1;
} }
@ -825,39 +805,38 @@ static int tolua_cPluginManager_ForEachCommand(lua_State * tolua_S)
static int tolua_cPluginManager_ForEachConsoleCommand(lua_State * tolua_S) static int tolua_cPluginManager_ForEachConsoleCommand(lua_State * tolua_S)
{ {
int NumArgs = lua_gettop(tolua_S) - 1; /* This includes 'self' */ /*
if (NumArgs != 1) Function signature:
cPluginManager:Get():ForEachConsoleCommand(a_CallbackFn) -> bool
*/
// Check params:
cLuaState L(tolua_S);
if (
!L.CheckParamUserType(1, "cPluginManager") ||
!L.CheckParamFunction(2) ||
!L.CheckParamEnd(3)
)
{ {
LOGWARN("Error in function call 'ForEachConsoleCommand': Requires 1 argument, got %i", NumArgs);
return 0; return 0;
} }
cPluginManager * self = (cPluginManager *)tolua_tousertype(tolua_S, 1, nullptr); // Get the params:
if (self == nullptr) cLuaState::cRef FnRef;
{ L.GetStackValues(2, FnRef);
LOGWARN("Error in function call 'ForEachConsoleCommand': Not called on an object instance"); if (!FnRef.IsValid())
return 0;
}
if (!lua_isfunction(tolua_S, 2))
{
LOGWARN("Error in function call 'ForEachConsoleCommand': Expected a function for parameter #1");
return 0;
}
int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
if (FuncRef == LUA_REFNIL)
{ {
LOGWARN("Error in function call 'ForEachConsoleCommand': Could not get function reference of parameter #1"); LOGWARN("Error in function call 'ForEachConsoleCommand': Could not get function reference of parameter #1");
return 0; return 0;
} }
// Callback for enumerating all commands:
class cLuaCallback : public cPluginManager::cCommandEnumCallback class cLuaCallback : public cPluginManager::cCommandEnumCallback
{ {
public: public:
cLuaCallback(lua_State * a_LuaState, int a_FuncRef): cLuaCallback(cLuaState & a_LuaState, cLuaState::cRef & a_FnRef):
LuaState(a_LuaState), m_LuaState(a_LuaState),
FuncRef(a_FuncRef) m_FnRef(a_FnRef)
{ {
} }
@ -866,34 +845,16 @@ static int tolua_cPluginManager_ForEachConsoleCommand(lua_State * tolua_S)
{ {
UNUSED(a_Plugin); UNUSED(a_Plugin);
UNUSED(a_Permission); UNUSED(a_Permission);
bool ret = false;
lua_rawgeti(LuaState, LUA_REGISTRYINDEX, FuncRef); /* Push function reference */ m_LuaState.Call(m_FnRef, a_Command, a_HelpString, cLuaState::Return, ret);
tolua_pushcppstring(LuaState, a_Command); return ret;
tolua_pushcppstring(LuaState, a_HelpString);
int s = lua_pcall(LuaState, 2, 1, 0);
if (cLuaState::ReportErrors(LuaState, s))
{
return true; /* Abort enumeration */
}
if (lua_isboolean(LuaState, -1))
{
return (tolua_toboolean(LuaState, -1, 0) > 0);
}
return false; /* Continue enumeration */
} }
lua_State * LuaState; cLuaState & m_LuaState;
int FuncRef; cLuaState::cRef & m_FnRef;
} Callback(tolua_S, FuncRef); } Callback(L, FnRef);
bool bRetVal = self->ForEachConsoleCommand(Callback); // Execute and push the returned value:
L.Push(cPluginManager::Get()->ForEachConsoleCommand(Callback));
/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);
/* Push return value on stack */
tolua_pushboolean(tolua_S, bRetVal);
return 1; return 1;
} }