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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* ParserActions.cpp
* Copyright (C) 2011 Simon Newton
*
* These functions all called by the parser. They modify the globals defined in
* ParserGlobals.h
*/
#define __STDC_LIMIT_MACROS // for UINT8_MAX & friends
#include <ola/Constants.h>
#include <ola/Logging.h>
#include <ola/base/SysExits.h>
#include <stdlib.h>
#include <stdint.h>
#include <string>
#include <vector>
#include "tools/ola_trigger/Action.h"
#include "tools/ola_trigger/ConfigCommon.h"
#include "tools/ola_trigger/Context.h"
#include "tools/ola_trigger/ParserActions.h"
#include "tools/ola_trigger/ParserGlobals.h"
using std::string;
using std::vector;
extern int yylineno; // defined and maintained in lex.yy.cpp
/**
* Lookup the Slot objects associated with a slot offset. This creates
* one if it doesn't already exist.
* @param slot the slot offset to lookup
* @return A Slot object
*/
Slot *LookupSlot(uint16_t slot) {
SlotActionMap::iterator iter = global_slots.find(slot);
if (iter != global_slots.end())
return iter->second;
Slot *actions = new Slot(slot);
global_slots[slot] = actions;
return actions;
}
/**
* Check a slot offset is valid
*/
void CheckSlotOffset(unsigned int slot) {
if (slot == 0 || slot > ola::DMX_UNIVERSE_SIZE) {
OLA_FATAL << "Line " << yylineno << ": slot offset " << slot << " invalid";
exit(ola::EXIT_DATAERR);
}
}
/**
* Set the default value of a variable
* @param input a two element vector in the form [variable_name, value]
*/
void SetDefaultValue(vector<string> *input) {
if (input->size() != 2) {
OLA_FATAL << "Line " << yylineno << ": assignment size != 2. Size is " <<
input->size();
exit(ola::EXIT_DATAERR);
}
global_context->Update((*input)[0], (*input)[1]);
// delete the pointer since we're done
delete input;
}
/**
* Create a new VariableAssignmentAction.
* @param input a two element vector in the form [variable_name, value]
* @returns a VariableAssignmentAction object
*/
Action *CreateAssignmentAction(vector<string> *input) {
if (input->size() != 2) {
OLA_FATAL << "Line " << yylineno <<
": assignment action size != 2. Size is " << input->size();
exit(ola::EXIT_DATAERR);
}
Action *action = new VariableAssignmentAction((*input)[0], (*input)[1]);
delete input;
return action;
}
/**
* Create a new CommandAction.
* @param command the command to run
* @param args a list of arguments for the command
* @returns a CommandAction object
*/
Action *CreateCommandAction(const string &command, vector<string> *args) {
Action *action = new CommandAction(command, *args);
delete args;
return action;
}
/**
* Create a new ValueInterval object
* @param lower the lower bound
* @param upper the upper bound
* @returns a new ValueInterval object
*/
ValueInterval *CreateInterval(unsigned int lower, unsigned int upper) {
if (lower > upper) {
OLA_FATAL << "Line " << yylineno << ": invalid interval " << lower << "-"
<< upper;
exit(ola::EXIT_DATAERR);
}
if (upper > UINT8_MAX) {
OLA_FATAL << "Line " << yylineno << ": invalid DMX value " << upper;
exit(ola::EXIT_DATAERR);
}
return new ValueInterval(lower, upper);
}
/**
* Associate an action with a set of values on a particular slot.
* @param slot the slot offset
* @param slot_values a vector of ValueIntervals to trigger this action
* @param action the Action object to use
*/
void SetSlotAction(unsigned int slot,
IntervalList *slot_intervals,
Action *rising_action,
Action *falling_action) {
CheckSlotOffset(slot);
slot--; // convert from 1 to 0 indexed slots
Slot *slots = LookupSlot(slot);
IntervalList::iterator iter = slot_intervals->begin();
for (; iter != slot_intervals->end(); iter++) {
if (!slots->AddAction(**iter, rising_action, falling_action)) {
OLA_FATAL << "Line " << yylineno << ": value " << **iter <<
" collides with existing values.";
exit(ola::EXIT_DATAERR);
}
delete *iter;
}
delete slot_intervals;
}
/**
* Set the default action for a slot
* @param slot the slot offset
* @param action the action to use as the default
*/
void SetDefaultAction(unsigned int slot,
Action *rising_action,
Action *falling_action) {
CheckSlotOffset(slot);
slot--; // convert from 1 to 0 indexed slots
Slot *slots = LookupSlot(slot);
if (rising_action) {
if (slots->SetDefaultRisingAction(rising_action)) {
OLA_FATAL << "Multiple default rising actions defined for slot " <<
slot + 1 << ", line " << yylineno;
exit(ola::EXIT_DATAERR);
}
}
if (falling_action) {
if (slots->SetDefaultFallingAction(falling_action)) {
OLA_FATAL << "Multiple default falling actions defined for slot " <<
slot + 1 << ", line " << yylineno;
exit(ola::EXIT_DATAERR);
}
}
}
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