mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-07-10 02:51:55 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

AK+Everywhere: Replace custom number parsers with fast_float
Some checks failed
CI / macOS, arm64, Sanitizer_CI, Clang (push) Waiting to run
Details
CI / Linux, x86_64, Fuzzers_CI, Clang (push) Waiting to run
Details
CI / Linux, x86_64, Sanitizer_CI, GNU (push) Waiting to run
Details
CI / Linux, x86_64, Sanitizer_CI, Clang (push) Waiting to run
Details
Package the js repl as a binary artifact / Linux, arm64 (push) Waiting to run
Details
Package the js repl as a binary artifact / macOS, arm64 (push) Waiting to run
Details
Package the js repl as a binary artifact / Linux, x86_64 (push) Waiting to run
Details
Run test262 and test-wasm / run_and_update_results (push) Waiting to run
Details
Lint Code / lint (push) Waiting to run
Details
Label PRs with merge conflicts / auto-labeler (push) Waiting to run
Details
Push notes / build (push) Waiting to run
Details
Build Dev Container Image / build (push) Has been cancelled
Details

Browse source 
Our floating point number parser was based on the fast_float library:
https://github.com/fastfloat/fast_float

However, our implementation only supports 8-bit characters. To support
UTF-16, we will need to be able to convert char16_t-based strings to
numbers as well. This works out-of-the-box with fast_float.

We can also use fast_float for integer parsing.
This commit is contained in:
Timothy Flynn 2025-06-26 19:06:46 -04:00 • committed by Tim Flynn
parent 9fc3e72db2
commit 62d9a84b8d
Notes: github-actions[bot] 2025-07-03 13:53:10 +00:00
30 changed files with 413 additions and 3034 deletions
Download patch file Download diff file Expand all files Collapse all files

9
Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
View file

@ -16,6 +16,7 @@
#include <AK/Debug.h>
#include <AK/GenericLexer.h>
#include <AK/QuickSort.h>
#include <AK/StringConversions.h>
#include <AK/TemporaryChange.h>
#include <LibWeb/CSS/FontFace.h>
#include <LibWeb/CSS/Parser/Parser.h>
@ -564,7 +565,7 @@ Optional<Gfx::UnicodeRange> Parser::parse_unicode_range(StringView text)
// with the U+003F QUESTION MARK (?) code points replaced by U+0030 DIGIT ZERO (0) code points.
// This is the start value.
auto start_value_string = start_value_code_points.replace("?"sv, "0"sv, ReplaceMode::All);
auto maybe_start_value = AK::StringUtils::convert_to_uint_from_hex<u32>(start_value_string);
auto maybe_start_value = AK::parse_hexadecimal_number<u32>(start_value_string);
if (!maybe_start_value.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "CSSParser: <urange> ?-converted start value did not parse as hex number.");
return {};
@ -575,7 +576,7 @@ Optional<Gfx::UnicodeRange> Parser::parse_unicode_range(StringView text)
// with the U+003F QUESTION MARK (?) code points replaced by U+0046 LATIN CAPITAL LETTER F (F) code points.
// This is the end value.
auto end_value_string = start_value_code_points.replace("?"sv, "F"sv, ReplaceMode::All);
auto maybe_end_value = AK::StringUtils::convert_to_uint_from_hex<u32>(end_value_string);
auto maybe_end_value = AK::parse_hexadecimal_number<u32>(end_value_string);
if (!maybe_end_value.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "CSSParser: <urange> ?-converted end value did not parse as hex number.");
return {};
@ -586,7 +587,7 @@ Optional<Gfx::UnicodeRange> Parser::parse_unicode_range(StringView text)
return make_valid_unicode_range(start_value, end_value);
}
// Otherwise, interpret the consumed code points as a hexadecimal number. This is the start value.
auto maybe_start_value = AK::StringUtils::convert_to_uint_from_hex<u32>(start_value_code_points);
auto maybe_start_value = AK::parse_hexadecimal_number<u32>(start_value_code_points);
if (!maybe_start_value.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "CSSParser: <urange> start value did not parse as hex number.");
return {};
@ -625,7 +626,7 @@ Optional<Gfx::UnicodeRange> Parser::parse_unicode_range(StringView text)
}
// 7. Interpret the consumed code points as a hexadecimal number. This is the end value.
auto maybe_end_value = AK::StringUtils::convert_to_uint_from_hex<u32>(end_hex_digits);
auto maybe_end_value = AK::parse_hexadecimal_number<u32>(end_hex_digits);
if (!maybe_end_value.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "CSSParser: <urange> end value did not parse as hex number.");
return {};