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Implement parsing of OSC 8

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Also start work on storing hyperlinks with cells
This commit is contained in:
Kovid Goyal
2020-09-10 10:47:24 +05:30
parent 0cc54484a4
commit e99d93ca30
8 changed files with 92 additions and 8 deletions
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kitty/parser.c
+31
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@@ -121,6 +121,9 @@ _report_params(PyObject *dump_callback, const char *name, unsigned int *params,
#define REPORT_OSC2(name, code, string) \
Py_XDECREF(PyObject_CallFunction(dump_callback, "sIO", #name, code, string)); PyErr_Clear();
#define REPORT_HYPERLINK(id, url) \
Py_XDECREF(PyObject_CallFunction(dump_callback, "szz", "set_active_hyperlink", id, url)); PyErr_Clear();
#else
#define DUMP_UNUSED UNUSED
@@ -134,6 +137,7 @@ _report_params(PyObject *dump_callback, const char *name, unsigned int *params,
#define FLUSH_DRAW
#define REPORT_OSC(name, string)
#define REPORT_OSC2(name, code, string)
#define REPORT_HYPERLINK(id, url)
#endif
@@ -302,6 +306,30 @@ handle_esc_mode_char(Screen *screen, uint32_t ch, PyObject DUMP_UNUSED *dump_cal
// OSC mode {{{
static inline void
dispatch_hyperlink(Screen *screen, size_t pos, size_t size, PyObject DUMP_UNUSED *dump_callback) {
// since the spec says only ASCII printable chars are allowed in OSC 8, we
// can just convert to char* directly
if (!size) return; // ignore empty OSC 8 since it must have two semi-colons to be valid, which means one semi-colon here
char *id = NULL, *url = NULL;
char *data = malloc(size + 1);
if (!data) fatal("Out of memory");
for (size_t i = 0; i < size; i++) {
data[i] = screen->parser_buf[i + pos] & 0x7f;
if (data[i] < 32 || data[i] > 126) data[i] = '_';
}
data[size] = 0;
if (parse_osc_8(data, &id, &url)) {
REPORT_HYPERLINK(id, url);
set_active_hyperlink(screen, id, url);
} else {
REPORT_ERROR("Ignoring malformed OSC 8 code");
}
free(data);
}
static inline void
dispatch_osc(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
#define DISPATCH_OSC_WITH_CODE(name) REPORT_OSC2(name, code, string); name(screen, code, string);
@@ -339,6 +367,9 @@ dispatch_osc(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
START_DISPATCH
DISPATCH_OSC_WITH_CODE(set_color_table_color);
END_DISPATCH
case 8:
dispatch_hyperlink(screen, i, limit-i, dump_callback);
break;
case 9:
case 99:
START_DISPATCH