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Assistant: Use StringView more in FileProvider fuzzy matching code

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By not allocating new String objects, the fuzzy matcher becomes a lot
faster and more responsive while typing. :^)
This commit is contained in:
Andreas Kling 2021-07-03 17:56:12 +02:00
parent d640031214
commit 801f74362e
1 changed files with 6 additions and 5 deletions
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11
Userland/Applications/Assistant/FuzzyMatch.cpp
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@ -5,6 +5,7 @@
*/
#include "FuzzyMatch.h"
#include <AK/CharacterTypes.h>
#include <string.h>
namespace Assistant {
@ -41,7 +42,7 @@ static FuzzyMatchResult fuzzy_match_recursive(String const& needle, String const
bool first_match = true;
while (needle_idx < needle.length() && haystack_idx < haystack.length()) {
if (needle.substring(needle_idx, 1).to_lowercase() == haystack.substring(haystack_idx, 1).to_lowercase()) {
if (needle.substring_view(needle_idx, 1).equals_ignoring_case(haystack.substring_view(haystack_idx, 1))) {
if (next_match >= MAX_MATCHES)
return { false, out_score };
@ -87,13 +88,13 @@ static FuzzyMatchResult fuzzy_match_recursive(String const& needle, String const
}
if (current_idx > 0) {
auto current_character = haystack.substring(current_idx, 1);
auto neighbor_character = haystack.substring(current_idx - 1, 1);
u32 current_character = haystack[current_idx];
u32 neighbor_character = haystack[current_idx - 1];
if (neighbor_character != neighbor_character.to_uppercase() && current_character != current_character.to_lowercase())
if (neighbor_character != to_ascii_uppercase(neighbor_character) && current_character != to_ascii_lowercase(current_character))
out_score += CAMEL_BONUS;
if (neighbor_character == "_" || neighbor_character == " ")
if (neighbor_character == '_' || neighbor_character == ' ')
out_score += SEPARATOR_BONUS;
} else {
out_score += FIRST_LETTER_BONUS;