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feat(decorations): allow more than one stacked highlight in a virt_text

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This commit is contained in:
Björn Linse
2021-07-23 18:00:42 +02:00
parent 98c4b2cf62
commit 1495d36d63
4 changed files with 90 additions and 14 deletions
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28
src/nvim/api/private/helpers.c
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@@ -1603,22 +1603,38 @@ VirtText parse_virt_text(Array chunks, Error *err)
Array chunk = chunks.items[i].data.array;
if (chunk.size == 0 || chunk.size > 2
|| chunk.items[0].type != kObjectTypeString
|| (chunk.size == 2 && chunk.items[1].type != kObjectTypeString)) {
|| chunk.size > 2) {
api_set_error(err, kErrorTypeValidation,
"Chunk is not an array with one or two strings");
goto free_exit;
}
String str = chunk.items[0].data.string;
char *text = transstr(str.size > 0 ? str.data : ""); // allocates
int hl_id = 0;
if (chunk.size == 2) {
String hl = chunk.items[1].data.string;
if (hl.size > 0) {
hl_id = syn_check_group((char_u *)hl.data, (int)hl.size);
Object hl = chunk.items[1];
if (hl.type == kObjectTypeArray) {
Array arr = hl.data.array;
for (size_t j = 0; j < arr.size; j++) {
hl_id = object_to_hl_id(arr.items[j], "virt_text highlight", err);
if (ERROR_SET(err)) {
goto free_exit;
}
if (j < arr.size-1) {
kv_push(virt_text, ((VirtTextChunk){ .text = NULL,
.hl_id = hl_id }));
}
}
} else {
hl_id = object_to_hl_id(hl, "virt_text highlight", err);
if (ERROR_SET(err)) {
goto free_exit;
}
}
}
char *text = transstr(str.size > 0 ? str.data : ""); // allocates
kv_push(virt_text, ((VirtTextChunk){ .text = text, .hl_id = hl_id }));
}
@@ -1656,7 +1672,7 @@ int object_to_hl_id(Object obj, const char *what, Error *err)
String str = obj.data.string;
return str.size ? syn_check_group((char_u *)str.data, (int)str.size) : 0;
} else if (obj.type == kObjectTypeInteger) {
return (int)obj.data.integer;
return MAX((int)obj.data.integer, 0);
} else {
api_set_error(err, kErrorTypeValidation,
"%s is not a valid highlight", what);