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AK: Replace the mutable String::replace API with an immutable version

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This removes the awkward String::replace API which was the only String
API which mutated the String and replaces it with a new immutable
version that returns a new String with the replacements applied. This
also fixes a couple of UAFs that were caused by the use of this API.

As an optimization an equivalent StringView::replace API was also added
to remove an unnecessary String allocations in the format of:
`String { view }.replace(...);`
This commit is contained in:
Idan Horowitz
2021-09-11 02:15:44 +03:00
parent aba4c9579f
commit 6704961c82
26 changed files with 72 additions and 118 deletions
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5
Meta/Lagom/Tools/CodeGenerators/LibUnicode/GenerateUnicodeLocale.cpp
View File

@@ -507,7 +507,7 @@ static void parse_all_locales(String core_path, String locale_names_path, String
static String format_identifier(StringView owner, String identifier)
{
identifier.replace("-"sv, "_"sv, true);
identifier = identifier.replace("-"sv, "_"sv, true);
if (all_of(identifier, is_ascii_digit))
return String::formatted("{}_{}", owner[0], identifier);
@@ -638,8 +638,7 @@ struct Patterns {
)~~~");
auto format_mapping_name = [](StringView format, StringView name) {
auto mapping_name = name.to_lowercase_string();
mapping_name.replace("-"sv, "_"sv, true);
auto mapping_name = name.to_lowercase_string().replace("-"sv, "_"sv, true);
return String::formatted(format, mapping_name);
};