Feature/add ss2 ss3 support #35
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clue
reviewed
Dec 20, 2021
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@bgreenacre Thank you for looking into this and providing this high-quality PR! Adding support for SS2 and especially SS3 makes perfect sense!
I noticed a number of minor things in the PR, can you look into this? Also, perhaps it makes sense to update the stdin-codes.php example to showcase this?
Again thank you, keep it up!
| @@ -75,6 +75,12 @@ are supported as defined in [ISO/IEC 2022](https://en.wikipedia.org/wiki/ISO/IEC | |||
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| * PM (Privacy Message) | |||
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| * SS2 (Single Shift 2) | |||
| this means select the following character form the G2 character set | |||
| this means select the following character form the G2 character set | ||
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| * SS3 (Single Shift 3) | ||
| this means select the following character form the G3 character set |
| @@ -171,6 +175,12 @@ public function handleData($data) | |||
| break; | |||
| } | |||
| } | |||
| } else if ($type === 'ss2' || $type === 'ss3') { | |||
| $data = substr($this->buffer, 0, 3); | |||
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Logic looks about right! 👍 This needs an additional check to ensure that 3 bytes are available in the buffer and set $found accordingly (also needs additional tests).
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I couldn't get this lib to emit my f1 to f4 keys properly. Or rather they were get emitted as c1 with the last character chopped off. Did some research and found out about ss2 and ss3 control codes. So I added a check for the two types in
ControlCodeParserfor strings starting with^[N(ss2) and^[O(ss3) and to emit them asss2andss3respectively with that extra character.For reference https://en.wikipedia.org/wiki/ANSI_escape_code#Fe_Escape_sequences