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Start work on handling DCS

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This commit is contained in:
Kovid Goyal 2016-11-23 11:08:35 +05:30
parent c8b63a0e34
commit a0df10d0c2
2 changed files with 30 additions and 4 deletions
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31
kitty/parser.c
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@ -59,6 +59,9 @@ static void _report_error(PyObject *dump_callback, const char *fmt, ...) {
#define REPORT_DRAW(start, sz) \
Py_XDECREF(PyObject_CallFunction(dump_callback, "sy#", "draw", start, sz)); PyErr_Clear();
#define REPORT_DCS \
Py_XDECREF(PyObject_CallFunction(dump_callback, "sy#", "dcs", screen->parser_buf, screen->parser_buf_pos)); PyErr_Clear();
#define HANDLER(name) \
static inline void read_##name(Screen *screen, uint8_t UNUSED *buf, unsigned int UNUSED buflen, unsigned int UNUSED *pos, PyObject UNUSED *dump_callback)
@ -68,6 +71,7 @@ static void _report_error(PyObject *dump_callback, const char *fmt, ...) {
#define REPORT_COMMAND(...)
#define REPORT_DRAW(...)
#define REPORT_DCS
#define HANDLER(name) \
static inline void read_##name(Screen *screen, uint8_t UNUSED *buf, unsigned int UNUSED buflen, unsigned int UNUSED *pos)
@ -505,11 +509,33 @@ HANDLER(osc) {
// }}}
// Parse DCS {{{
static void handle_dcs(Screen *screen, PyObject UNUSED *dump_callback) {
screen->parser_buf_pos = 0;
return;
}
HANDLER(dcs) {
// http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-Device-Control-functions
#ifndef DUMP_COMMANDS
PyObject *dump_callback = NULL;
#endif
#define DISPATCH_DCS \
SET_STATE(NORMAL_STATE); \
if (!screen->parser_buf_pos) { REPORT_ERROR("Empty DCS sequence, ignoring."); return; } \
REPORT_DCS; \
handle_dcs(screen, dump_callback);
uint8_t ch = buf[(*pos)++];
if (ch == ST) {
SET_STATE(NORMAL_STATE);
switch (ch) {
case ST:
DISPATCH_DCS;
break;
default:
if (screen->parser_buf_pos >= PARSER_BUF_SZ - 1) {
DISPATCH_DCS;
} else screen->parser_buf[screen->parser_buf_pos++] = ch;
break;
}
}
// }}}
@ -521,6 +547,7 @@ static inline void _parse_bytes(Screen *screen, uint8_t *buf, Py_ssize_t len, Py
#else
#define CALL_HANDLER(name) read_##name(screen, buf, len, &i); break;
#endif
/* PyObject_Print(Py_BuildValue("y#", buf, len), stdout, 0); */
while (i < len) {
switch(screen->parser_state) {

3
kitty/screen.c
View File

@ -810,8 +810,7 @@ static inline void callback(const char *name, Screen *self, const char *data, un
}
void report_device_attributes(Screen *self, unsigned int UNUSED mode, bool UNUSED secondary) {
// Do the same as libvte, which gives the below response regardless of mode and secondary
callback("write_to_child", self, "\x1b[?62c", 0); // Corresponds to VT-220
callback("write_to_child", self, "\x1b[>1;4600;0c", 0); // same as libvte
}
void report_device_status(Screen *self, unsigned int which, bool UNUSED private) {