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fix(parser): Support default button index for actions

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Defining an action without a button index caused a segfault since
the parser was treating it as the close of a previously opened action
block. This makes the parser use button LEFT as a fallback.

Also ensure that an action block has been opened before
attempting to close the block.

Fixes jaagr/lemonbuddy#104
This commit is contained in:
Michael Carlberg 2016-10-17 05:55:03 +02:00
parent 3d30aba0e9
commit de0c3eb46a
1 changed files with 14 additions and 7 deletions
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21
include/components/parser.hpp
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@ -3,7 +3,6 @@
#include <fastdelegate/fastdelegate.hpp>
#include "common.hpp"
#include "components/logger.hpp"
#include "components/types.hpp"
#include "components/signals.hpp"
#include "utils/math.hpp"
@ -130,13 +129,19 @@ class parser {
break;
case 'A':
if (isdigit(data[0])) {
if (isdigit(data[0]) || data[0] == ':') {
value = parse_action_cmd(data);
mousebtn btn = parse_action_btn(data);
m_actions.push_back(static_cast<int>(btn));
if (!g_signals::parser::action_block_open.empty())
g_signals::parser::action_block_open.emit(parse_action_btn(data), value);
m_actions.push_back(data[0] - '0');
value += "0::"; // make sure we strip the correct length (btn+wrapping colons)
} else {
g_signals::parser::action_block_open.emit(btn, value);
// make sure we strip the correct length (btn+wrapping colons)
if (data[0] != ':')
value += "0";
value += "::";
} else if (!m_actions.empty()) {
if (!g_signals::parser::action_block_close.empty())
g_signals::parser::action_block_close.emit(parse_action_btn(data));
m_actions.pop_back();
@ -221,7 +226,9 @@ class parser {
} // }}}
mousebtn parse_action_btn(string data) { // {{{
if (isdigit(data[0]))
if (data[0] == ':')
return mousebtn::LEFT;
else if (isdigit(data[0]))
return static_cast<mousebtn>(data[0] - '0');
else if (!m_actions.empty())
return static_cast<mousebtn>(m_actions.back());