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Diffstat (limited to 'contrib/replxx/src/escape.cxx')
| -rw-r--r-- | contrib/replxx/src/escape.cxx | 890 |
1 files changed, 890 insertions, 0 deletions
diff --git a/contrib/replxx/src/escape.cxx b/contrib/replxx/src/escape.cxx new file mode 100644 index 0000000..dda1ab0 --- /dev/null +++ b/contrib/replxx/src/escape.cxx @@ -0,0 +1,890 @@ +#include "escape.hxx" +#include "terminal.hxx" +#include "replxx.hxx" + +#ifndef _WIN32 + +namespace replxx { + +namespace EscapeSequenceProcessing { // move these out of global namespace + +// This chunk of code does parsing of the escape sequences sent by various Linux +// terminals. +// +// It handles arrow keys, Home, End and Delete keys by interpreting the +// sequences sent by +// gnome terminal, xterm, rxvt, konsole, aterm and yakuake including the Alt and +// Ctrl key +// combinations that are understood by replxx. +// +// The parsing uses tables, a bunch of intermediate dispatch routines and a +// doDispatch +// loop that reads the tables and sends control to "deeper" routines to continue +// the +// parsing. The starting call to doDispatch( c, initialDispatch ) will +// eventually return +// either a character (with optional CTRL and META bits set), or -1 if parsing +// fails, or +// zero if an attempt to read from the keyboard fails. +// +// This is rather sloppy escape sequence processing, since we're not paying +// attention to what the +// actual TERM is set to and are processing all key sequences for all terminals, +// but it works with +// the most common keystrokes on the most common terminals. It's intricate, but +// the nested 'if' +// statements required to do it directly would be worse. This way has the +// advantage of allowing +// changes and extensions without having to touch a lot of code. + + +static char32_t thisKeyMetaCtrl = 0; // holds pre-set Meta and/or Ctrl modifiers + +// This dispatch routine is given a dispatch table and then farms work out to +// routines +// listed in the table based on the character it is called with. The dispatch +// routines can +// read more input characters to decide what should eventually be returned. +// Eventually, +// a called routine returns either a character or -1 to indicate parsing +// failure. +// +char32_t doDispatch(char32_t c, CharacterDispatch& dispatchTable) { + for (unsigned int i = 0; i < dispatchTable.len; ++i) { + if (static_cast<unsigned char>(dispatchTable.chars[i]) == c) { + return dispatchTable.dispatch[i](c); + } + } + return dispatchTable.dispatch[dispatchTable.len](c); +} + +// Final dispatch routines -- return something +// +static char32_t normalKeyRoutine(char32_t c) { return thisKeyMetaCtrl | c; } +static char32_t upArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::UP;; +} +static char32_t downArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::DOWN; +} +static char32_t rightArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::RIGHT; +} +static char32_t leftArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::LEFT; +} +static char32_t homeKeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::HOME; } +static char32_t endKeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::END; } +static char32_t shiftTabRoutine(char32_t) { return Replxx::KEY::BASE_SHIFT | Replxx::KEY::TAB; } +static char32_t f1KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F1; } +static char32_t f2KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F2; } +static char32_t f3KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F3; } +static char32_t f4KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F4; } +static char32_t f5KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F5; } +static char32_t f6KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F6; } +static char32_t f7KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F7; } +static char32_t f8KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F8; } +static char32_t f9KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F9; } +static char32_t f10KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F10; } +static char32_t f11KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F11; } +static char32_t f12KeyRoutine(char32_t) { return thisKeyMetaCtrl | Replxx::KEY::F12; } +static char32_t pageUpKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::PAGE_UP; +} +static char32_t pageDownKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::PAGE_DOWN; +} +static char32_t deleteCharRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::BACKSPACE; +} // key labeled Backspace +static char32_t insertKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::INSERT; +} // key labeled Delete +static char32_t deleteKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::DELETE; +} // key labeled Delete +static char32_t ctrlUpArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::BASE_CONTROL | Replxx::KEY::UP; +} +static char32_t ctrlDownArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::BASE_CONTROL | Replxx::KEY::DOWN; +} +static char32_t ctrlRightArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::BASE_CONTROL | Replxx::KEY::RIGHT; +} +static char32_t ctrlLeftArrowKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::BASE_CONTROL | Replxx::KEY::LEFT; +} +static char32_t bracketPasteStartKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::PASTE_START; +} +static char32_t bracketPasteFinishKeyRoutine(char32_t) { + return thisKeyMetaCtrl | Replxx::KEY::PASTE_FINISH; +} +static char32_t escFailureRoutine(char32_t) { + beep(); + return -1; +} + +// Handle ESC [ 1 ; 2 or 3 (or 5) <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket1Semicolon2or3or5Routines[] = { + upArrowKeyRoutine, + downArrowKeyRoutine, + rightArrowKeyRoutine, + leftArrowKeyRoutine, + homeKeyRoutine, + endKeyRoutine, + f1KeyRoutine, + f2KeyRoutine, + f3KeyRoutine, + f4KeyRoutine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket1Semicolon2or3or5Dispatch = { + 10, "ABCDHFPQRS", escLeftBracket1Semicolon2or3or5Routines +}; + +// Handle ESC [ 1 ; <more stuff> escape sequences +// +static char32_t escLeftBracket1Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket1Semicolon2or3or5Dispatch); +} +static char32_t escLeftBracket1Semicolon3Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_META; + return doDispatch(c, escLeftBracket1Semicolon2or3or5Dispatch); +} +static char32_t escLeftBracket1Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket1Semicolon2or3or5Dispatch); +} +static CharacterDispatchRoutine escLeftBracket1SemicolonRoutines[] = { + escLeftBracket1Semicolon2Routine, + escLeftBracket1Semicolon3Routine, + escLeftBracket1Semicolon5Routine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket1SemicolonDispatch = { + 3, "235", escLeftBracket1SemicolonRoutines +}; + +// Handle ESC [ 1 ; <more stuff> escape sequences +// +static char32_t escLeftBracket1SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket1SemicolonDispatch); +} + +// (S)-F5 +static CharacterDispatchRoutine escLeftBracket15Semicolon2Routines[] = { + f5KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket15Semicolon2Dispatch = { + 1, "~", escLeftBracket15Semicolon2Routines +}; +static char32_t escLeftBracket15Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket15Semicolon2Dispatch); +} + +// (C)-F5 +static CharacterDispatchRoutine escLeftBracket15Semicolon5Routines[] = { + f5KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket15Semicolon5Dispatch = { + 1, "~", escLeftBracket15Semicolon5Routines +}; +static char32_t escLeftBracket15Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket15Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket15SemicolonRoutines[] = { + escLeftBracket15Semicolon2Routine, escLeftBracket15Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket15SemicolonDispatch = { + 2, "25", escLeftBracket15SemicolonRoutines +}; +static char32_t escLeftBracket15SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket15SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket15Routines[] = { + f5KeyRoutine, escLeftBracket15SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket15Dispatch = { + 2, "~;", escLeftBracket15Routines +}; +static char32_t escLeftBracket15Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket15Dispatch); +} + +// (S)-F6 +static CharacterDispatchRoutine escLeftBracket17Semicolon2Routines[] = { + f6KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket17Semicolon2Dispatch = { + 1, "~", escLeftBracket17Semicolon2Routines +}; +static char32_t escLeftBracket17Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket17Semicolon2Dispatch); +} + +// (C)-F6 +static CharacterDispatchRoutine escLeftBracket17Semicolon5Routines[] = { + f6KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket17Semicolon5Dispatch = { + 1, "~", escLeftBracket17Semicolon5Routines +}; +static char32_t escLeftBracket17Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket17Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket17SemicolonRoutines[] = { + escLeftBracket17Semicolon2Routine, escLeftBracket17Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket17SemicolonDispatch = { + 2, "25", escLeftBracket17SemicolonRoutines +}; +static char32_t escLeftBracket17SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket17SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket17Routines[] = { + f6KeyRoutine, escLeftBracket17SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket17Dispatch = { + 2, "~;", escLeftBracket17Routines +}; +static char32_t escLeftBracket17Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket17Dispatch); +} + +// (S)-F7 +static CharacterDispatchRoutine escLeftBracket18Semicolon2Routines[] = { + f7KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket18Semicolon2Dispatch = { + 1, "~", escLeftBracket18Semicolon2Routines +}; +static char32_t escLeftBracket18Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket18Semicolon2Dispatch); +} + +// (C)-F7 +static CharacterDispatchRoutine escLeftBracket18Semicolon5Routines[] = { + f7KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket18Semicolon5Dispatch = { + 1, "~", escLeftBracket18Semicolon5Routines +}; +static char32_t escLeftBracket18Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket18Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket18SemicolonRoutines[] = { + escLeftBracket18Semicolon2Routine, escLeftBracket18Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket18SemicolonDispatch = { + 2, "25", escLeftBracket18SemicolonRoutines +}; +static char32_t escLeftBracket18SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket18SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket18Routines[] = { + f7KeyRoutine, escLeftBracket18SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket18Dispatch = { + 2, "~;", escLeftBracket18Routines +}; +static char32_t escLeftBracket18Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket18Dispatch); +} + +// (S)-F8 +static CharacterDispatchRoutine escLeftBracket19Semicolon2Routines[] = { + f8KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket19Semicolon2Dispatch = { + 1, "~", escLeftBracket19Semicolon2Routines +}; +static char32_t escLeftBracket19Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket19Semicolon2Dispatch); +} + +// (C)-F8 +static CharacterDispatchRoutine escLeftBracket19Semicolon5Routines[] = { + f8KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket19Semicolon5Dispatch = { + 1, "~", escLeftBracket19Semicolon5Routines +}; +static char32_t escLeftBracket19Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket19Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket19SemicolonRoutines[] = { + escLeftBracket19Semicolon2Routine, escLeftBracket19Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket19SemicolonDispatch = { + 2, "25", escLeftBracket19SemicolonRoutines +}; +static char32_t escLeftBracket19SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket19SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket19Routines[] = { + f8KeyRoutine, escLeftBracket19SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket19Dispatch = { + 2, "~;", escLeftBracket19Routines +}; +static char32_t escLeftBracket19Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket19Dispatch); +} + +// Handle ESC [ 1 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket1Routines[] = { + homeKeyRoutine, escLeftBracket1SemicolonRoutine, + escLeftBracket15Routine, + escLeftBracket17Routine, + escLeftBracket18Routine, + escLeftBracket19Routine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket1Dispatch = { + 6, "~;5789", escLeftBracket1Routines +}; + +// Handle ESC [ 2 <more stuff> escape sequences +// + +// (S)-F9 +static CharacterDispatchRoutine escLeftBracket20Semicolon2Routines[] = { + f9KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket20Semicolon2Dispatch = { + 1, "~", escLeftBracket20Semicolon2Routines +}; +static char32_t escLeftBracket20Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket20Semicolon2Dispatch); +} + +// (C)-F9 +static CharacterDispatchRoutine escLeftBracket20Semicolon5Routines[] = { + f9KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket20Semicolon5Dispatch = { + 1, "~", escLeftBracket20Semicolon5Routines +}; +static char32_t escLeftBracket20Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket20Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket20SemicolonRoutines[] = { + escLeftBracket20Semicolon2Routine, escLeftBracket20Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket20SemicolonDispatch = { + 2, "25", escLeftBracket20SemicolonRoutines +}; +static char32_t escLeftBracket20SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket20SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket200Routines[] = { + bracketPasteStartKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket200Dispatch = { + 1, "~", escLeftBracket200Routines +}; +static char32_t escLeftBracket200Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket200Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket201Routines[] = { + bracketPasteFinishKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket201Dispatch = { + 1, "~", escLeftBracket201Routines +}; +static char32_t escLeftBracket201Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket201Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket20Routines[] = { + f9KeyRoutine, escLeftBracket20SemicolonRoutine, escLeftBracket200Routine, escLeftBracket201Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket20Dispatch = { + 4, "~;01", escLeftBracket20Routines +}; +static char32_t escLeftBracket20Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket20Dispatch); +} + +// (S)-F10 +static CharacterDispatchRoutine escLeftBracket21Semicolon2Routines[] = { + f10KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket21Semicolon2Dispatch = { + 1, "~", escLeftBracket21Semicolon2Routines +}; +static char32_t escLeftBracket21Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket21Semicolon2Dispatch); +} + +// (C)-F10 +static CharacterDispatchRoutine escLeftBracket21Semicolon5Routines[] = { + f10KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket21Semicolon5Dispatch = { + 1, "~", escLeftBracket21Semicolon5Routines +}; +static char32_t escLeftBracket21Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket21Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket21SemicolonRoutines[] = { + escLeftBracket21Semicolon2Routine, escLeftBracket21Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket21SemicolonDispatch = { + 2, "25", escLeftBracket21SemicolonRoutines +}; +static char32_t escLeftBracket21SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket21SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket21Routines[] = { + f10KeyRoutine, escLeftBracket21SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket21Dispatch = { + 2, "~;", escLeftBracket21Routines +}; +static char32_t escLeftBracket21Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket21Dispatch); +} + +// (S)-F11 +static CharacterDispatchRoutine escLeftBracket23Semicolon2Routines[] = { + f11KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket23Semicolon2Dispatch = { + 1, "~", escLeftBracket23Semicolon2Routines +}; +static char32_t escLeftBracket23Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket23Semicolon2Dispatch); +} + +// (C)-F11 +static CharacterDispatchRoutine escLeftBracket23Semicolon5Routines[] = { + f11KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket23Semicolon5Dispatch = { + 1, "~", escLeftBracket23Semicolon5Routines +}; +static char32_t escLeftBracket23Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket23Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket23SemicolonRoutines[] = { + escLeftBracket23Semicolon2Routine, escLeftBracket23Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket23SemicolonDispatch = { + 2, "25", escLeftBracket23SemicolonRoutines +}; +static char32_t escLeftBracket23SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket23SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket23Routines[] = { + f11KeyRoutine, escLeftBracket23SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket23Dispatch = { + 2, "~;", escLeftBracket23Routines +}; +static char32_t escLeftBracket23Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket23Dispatch); +} + +// (S)-F12 +static CharacterDispatchRoutine escLeftBracket24Semicolon2Routines[] = { + f12KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket24Semicolon2Dispatch = { + 1, "~", escLeftBracket24Semicolon2Routines +}; +static char32_t escLeftBracket24Semicolon2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_SHIFT; + return doDispatch(c, escLeftBracket24Semicolon2Dispatch); +} + +// (C)-F12 +static CharacterDispatchRoutine escLeftBracket24Semicolon5Routines[] = { + f12KeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket24Semicolon5Dispatch = { + 1, "~", escLeftBracket24Semicolon5Routines +}; +static char32_t escLeftBracket24Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket24Semicolon5Dispatch); +} + +static CharacterDispatchRoutine escLeftBracket24SemicolonRoutines[] = { + escLeftBracket24Semicolon2Routine, escLeftBracket24Semicolon5Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket24SemicolonDispatch = { + 2, "25", escLeftBracket24SemicolonRoutines +}; +static char32_t escLeftBracket24SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket24SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket24Routines[] = { + f12KeyRoutine, escLeftBracket24SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket24Dispatch = { + 2, "~;", escLeftBracket24Routines +}; +static char32_t escLeftBracket24Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket24Dispatch); +} + +// Handle ESC [ 2 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket2Routines[] = { + insertKeyRoutine, + escLeftBracket20Routine, + escLeftBracket21Routine, + escLeftBracket23Routine, + escLeftBracket24Routine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket2Dispatch = { + 5, "~0134", escLeftBracket2Routines +}; + +// Handle ESC [ 3 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket3Routines[] = { + deleteKeyRoutine, escFailureRoutine +}; + +static CharacterDispatch escLeftBracket3Dispatch = { + 1, "~", escLeftBracket3Routines +}; + +// Handle ESC [ 4 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket4Routines[] = { + endKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket4Dispatch = { + 1, "~", escLeftBracket4Routines +}; + +// Handle ESC [ 5 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket5Semicolon5Routines[] = { + pageUpKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket5Semicolon5Dispatch = { + 1, "~", escLeftBracket5Semicolon5Routines +}; +static char32_t escLeftBracket5Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket5Semicolon5Dispatch); +} +static CharacterDispatchRoutine escLeftBracket5SemicolonRoutines[] = { + escLeftBracket5Semicolon5Routine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket5SemicolonDispatch = { + 1, "5", escLeftBracket5SemicolonRoutines +}; +static char32_t escLeftBracket5SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket5SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket5Routines[] = { + pageUpKeyRoutine, escLeftBracket5SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket5Dispatch = { + 2, "~;", escLeftBracket5Routines +}; + +// Handle ESC [ 6 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket6Semicolon5Routines[] = { + pageDownKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket6Semicolon5Dispatch = { + 1, "~", escLeftBracket6Semicolon5Routines +}; +static char32_t escLeftBracket6Semicolon5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + thisKeyMetaCtrl |= Replxx::KEY::BASE_CONTROL; + return doDispatch(c, escLeftBracket6Semicolon5Dispatch); +} +static CharacterDispatchRoutine escLeftBracket6SemicolonRoutines[] = { + escLeftBracket6Semicolon5Routine, + escFailureRoutine +}; +static CharacterDispatch escLeftBracket6SemicolonDispatch = { + 1, "5", escLeftBracket6SemicolonRoutines +}; +static char32_t escLeftBracket6SemicolonRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket6SemicolonDispatch); +} + +static CharacterDispatchRoutine escLeftBracket6Routines[] = { + pageDownKeyRoutine, escLeftBracket6SemicolonRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket6Dispatch = { + 2, "~;", escLeftBracket6Routines +}; + +// Handle ESC [ 7 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket7Routines[] = { + homeKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket7Dispatch = { + 1, "~", escLeftBracket7Routines +}; + +// Handle ESC [ 8 <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracket8Routines[] = { + endKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escLeftBracket8Dispatch = { + 1, "~", escLeftBracket8Routines +}; + +// Handle ESC [ <digit> escape sequences +// +static char32_t escLeftBracket0Routine(char32_t c) { + return escFailureRoutine(c); +} +static char32_t escLeftBracket1Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket1Dispatch); +} +static char32_t escLeftBracket2Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket2Dispatch); +} +static char32_t escLeftBracket3Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket3Dispatch); +} +static char32_t escLeftBracket4Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket4Dispatch); +} +static char32_t escLeftBracket5Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket5Dispatch); +} +static char32_t escLeftBracket6Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket6Dispatch); +} +static char32_t escLeftBracket7Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket7Dispatch); +} +static char32_t escLeftBracket8Routine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracket8Dispatch); +} +static char32_t escLeftBracket9Routine(char32_t c) { + return escFailureRoutine(c); +} + +// Handle ESC [ <more stuff> escape sequences +// +static CharacterDispatchRoutine escLeftBracketRoutines[] = { + upArrowKeyRoutine, downArrowKeyRoutine, rightArrowKeyRoutine, + leftArrowKeyRoutine, homeKeyRoutine, endKeyRoutine, + shiftTabRoutine, + escLeftBracket0Routine, escLeftBracket1Routine, escLeftBracket2Routine, + escLeftBracket3Routine, escLeftBracket4Routine, escLeftBracket5Routine, + escLeftBracket6Routine, escLeftBracket7Routine, escLeftBracket8Routine, + escLeftBracket9Routine, escFailureRoutine +}; +static CharacterDispatch escLeftBracketDispatch = {17, "ABCDHFZ0123456789", + escLeftBracketRoutines}; + +// Handle ESC O <char> escape sequences +// +static CharacterDispatchRoutine escORoutines[] = { + upArrowKeyRoutine, downArrowKeyRoutine, rightArrowKeyRoutine, + leftArrowKeyRoutine, homeKeyRoutine, endKeyRoutine, + f1KeyRoutine, f2KeyRoutine, f3KeyRoutine, + f4KeyRoutine, + ctrlUpArrowKeyRoutine, ctrlDownArrowKeyRoutine, ctrlRightArrowKeyRoutine, + ctrlLeftArrowKeyRoutine, escFailureRoutine +}; +static CharacterDispatch escODispatch = {14, "ABCDHFPQRSabcd", escORoutines}; + +// Initial ESC dispatch -- could be a Meta prefix or the start of an escape +// sequence +// +static char32_t escLeftBracketRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escLeftBracketDispatch); +} +static char32_t escORoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escODispatch); +} +static char32_t setMetaRoutine(char32_t c); // need forward reference +static CharacterDispatchRoutine escRoutines[] = { + escLeftBracketRoutine, escORoutine, setMetaRoutine +}; +static CharacterDispatch escDispatch = {2, "[O", escRoutines}; + +// Initial dispatch -- we are not in the middle of anything yet +// +static char32_t escRoutine(char32_t c) { + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escDispatch); +} +static CharacterDispatchRoutine initialRoutines[] = { + escRoutine, deleteCharRoutine, normalKeyRoutine +}; +static CharacterDispatch initialDispatch = {2, "\x1B\x7F", initialRoutines}; + +// Special handling for the ESC key because it does double duty +// +static char32_t setMetaRoutine(char32_t c) { + thisKeyMetaCtrl = Replxx::KEY::BASE_META; + if (c == 0x1B) { // another ESC, stay in ESC processing mode + c = read_unicode_character(); + if (c == 0) return 0; + return doDispatch(c, escDispatch); + } + return doDispatch(c, initialDispatch); +} + +char32_t doDispatch(char32_t c) { + EscapeSequenceProcessing::thisKeyMetaCtrl = 0; // no modifiers yet at initialDispatch + return doDispatch(c, initialDispatch); +} + +} // namespace EscapeSequenceProcessing // move these out of global namespace + +} + +#endif /* #ifndef _WIN32 */ + |