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Make the set of URL prefixes that are recognized while hovering with the mouse configurable

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Fixes #2416
This commit is contained in:
Kovid Goyal
2020-03-08 13:16:34 +05:30
parent cc1336a616
commit 645890ccc8
7 changed files with 72 additions and 18 deletions
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21
kitty/line.c
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@@ -5,7 +5,7 @@
* Distributed under terms of the GPL3 license.
*/
#include "data-types.h"
#include "state.h"
#include "unicode-data.h"
#include "lineops.h"
#include "charsets.h"
@@ -49,9 +49,6 @@ cell_text(CPUCell *cell) {
// URL detection {{{
static const char* url_prefixes[4] = {"https", "http", "file", "ftp"};
static size_t url_prefix_lengths[arraysz(url_prefixes)] = {0};
static inline index_type
find_colon_slash(Line *self, index_type x, index_type limit) {
// Find :// at or before x
@@ -88,29 +85,25 @@ find_colon_slash(Line *self, index_type x, index_type limit) {
}
static inline bool
prefix_matches(Line *self, index_type at, const char* prefix, index_type prefix_len) {
prefix_matches(Line *self, index_type at, const char_type* prefix, index_type prefix_len) {
if (prefix_len > at) return false;
index_type p, i;
for (p = at - prefix_len, i = 0; i < prefix_len && p < self->xnum; i++, p++) {
if ((self->cpu_cells[p].ch) != (unsigned char)prefix[i]) return false;
if ((self->cpu_cells[p].ch) != prefix[i]) return false;
}
return i == prefix_len;
}
static inline bool
has_url_prefix_at(Line *self, index_type at, index_type min_prefix_len, index_type *ans) {
if (UNLIKELY(!url_prefix_lengths[0])) {
for (index_type i = 0; i < arraysz(url_prefixes); i++) url_prefix_lengths[i] = strlen(url_prefixes[i]);
}
for (index_type i = 0; i < arraysz(url_prefixes); i++) {
index_type prefix_len = url_prefix_lengths[i];
for (size_t i = 0; i < OPT(url_prefixes.num); i++) {
index_type prefix_len = OPT(url_prefixes.values[i].len);
if (at < prefix_len || prefix_len < min_prefix_len) continue;
if (prefix_matches(self, at, url_prefixes[i], prefix_len)) { *ans = at - prefix_len; return true; }
if (prefix_matches(self, at, OPT(url_prefixes.values[i].string), prefix_len)) { *ans = at - prefix_len; return true; }
}
return false;
}
#define MAX_URL_SCHEME_LEN 5
#define MIN_URL_LEN 5
static inline bool
@@ -129,7 +122,7 @@ line_url_start_at(Line *self, index_type x) {
if (x >= self->xnum || self->xnum <= MIN_URL_LEN + 3) return self->xnum;
index_type ds_pos = 0, t;
// First look for :// ahead of x
if (self->xnum - x > MAX_URL_SCHEME_LEN + 3) ds_pos = find_colon_slash(self, x + MAX_URL_SCHEME_LEN + 3, x < 2 ? 0 : x - 2);
if (self->xnum - x > OPT(url_prefixes).max_prefix_len + 3) ds_pos = find_colon_slash(self, x + OPT(url_prefixes).max_prefix_len + 3, x < 2 ? 0 : x - 2);
if (ds_pos != 0 && has_url_beyond(self, ds_pos)) {
if (has_url_prefix_at(self, ds_pos, ds_pos > x ? ds_pos - x: 0, &t)) return t;
}