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fix(tools): implement backslash escaping for contact names

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Implement backslash based escaping in the command parser and autocompletion
logic to handle contact names containing double quotes.
This stops the parser from splitting nicknames into multiple tokens, which
previously caused "Invalid usage" errors.

The parser now sees \ as an escape character for quotes and spaces in
_parse_args_helper, count_tokens and get_start. Autocomplete results are
escaped when they contain spaces, and search prefixes are unescaped before
matching. strip_arg_quotes() has also been updated to handle unescaping.

Fixes: https://github.com/profanity-im/profanity/issues/1844
Signed-off-by: Michael Vetter <jubalh@iodoru.org>
This commit is contained in:
Michael Vetter
2026-03-29 00:15:23 +01:00
parent 9b2f96fb45
commit bda5b0f844
8 changed files with 191 additions and 49 deletions
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34
src/common.c
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@@ -543,26 +543,32 @@ _get_file_or_linked(gchar* loc)
char*
strip_arg_quotes(const char* const input)
{
char* unquoted = strdup(input);
if (unquoted == NULL) {
if (input == NULL) {
return NULL;
}
// Remove starting quote if it exists
if (strchr(unquoted, '"')) {
if (strchr(unquoted, ' ') + 1 == strchr(unquoted, '"')) {
memmove(strchr(unquoted, '"'), strchr(unquoted, '"') + 1, strchr(unquoted, '\0') - strchr(unquoted, '"'));
// Unescape and strip quotes
GString* unescaped = g_string_new("");
for (const char* p = input; *p; p++) {
if (*p == '\\' && (*(p + 1) == '"' || *(p + 1) == '\\')) {
p++;
g_string_append_c(unescaped, *p);
} else if (*p == '"') {
// Only strip if it's the first char or preceded by a space
if (p == input || *(p - 1) == ' ') {
continue;
}
// Or if it's the last char
if (*(p + 1) == '\0') {
continue;
}
g_string_append_c(unescaped, *p);
} else {
g_string_append_c(unescaped, *p);
}
}
// Remove ending quote if it exists
if (strchr(unquoted, '"')) {
if (strchr(unquoted, '\0') - 1 == strchr(unquoted, '"')) {
memmove(strchr(unquoted, '"'), strchr(unquoted, '"') + 1, strchr(unquoted, '\0') - strchr(unquoted, '"'));
}
}
return unquoted;
return g_string_free(unescaped, FALSE);
}
gboolean