mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-11 09:18:05 +03:00
fdfda6dec2
Get rid of the weird old signature: - int StringType::to_int(bool& ok) const And replace it with sensible new signature: - Optional<int> StringType::to_int() const
108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <AK/Optional.h>
|
|
#include <AK/String.h>
|
|
#include <AK/StringBuilder.h>
|
|
#include <AK/StringUtils.h>
|
|
#include <AK/URLParser.h>
|
|
|
|
namespace AK {
|
|
|
|
static bool is_ascii_hex_digit(u8 ch)
|
|
{
|
|
return (ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F');
|
|
}
|
|
|
|
String urldecode(const StringView& input)
|
|
{
|
|
size_t cursor = 0;
|
|
|
|
auto peek = [&](size_t offset = 0) -> u8 {
|
|
if (cursor + offset >= input.length())
|
|
return 0;
|
|
return input[cursor + offset];
|
|
};
|
|
|
|
auto consume = [&] {
|
|
return input[cursor++];
|
|
};
|
|
|
|
StringBuilder builder;
|
|
while (cursor < input.length()) {
|
|
if (peek() != '%') {
|
|
builder.append(consume());
|
|
continue;
|
|
}
|
|
if (!is_ascii_hex_digit(peek(1)) && !is_ascii_hex_digit(peek(2))) {
|
|
builder.append(consume());
|
|
continue;
|
|
}
|
|
auto byte_point = StringUtils::convert_to_uint_from_hex(input.substring_view(cursor + 1, 2));
|
|
builder.append(byte_point.value());
|
|
consume();
|
|
consume();
|
|
consume();
|
|
}
|
|
return builder.to_string();
|
|
}
|
|
|
|
static inline bool in_c0_control_set(u32 c)
|
|
{
|
|
return c <= 0x1f || c > '~';
|
|
}
|
|
|
|
static inline bool in_fragment_set(u32 c)
|
|
{
|
|
return in_c0_control_set(c) || c == ' ' || c == '"' || c == '<' || c == '>' || c == '`';
|
|
}
|
|
|
|
static inline bool in_path_set(u32 c)
|
|
{
|
|
return in_fragment_set(c) || c == '#' || c == '?' || c == '{' || c == '}';
|
|
}
|
|
|
|
static inline bool in_userinfo_set(u32 c)
|
|
{
|
|
return in_path_set(c) || c == '/' || c == ':' || c == ';' || c == '=' || c == '@' || (c >= '[' && c <= '^') || c == '|';
|
|
}
|
|
|
|
String urlencode(const StringView& input)
|
|
{
|
|
StringBuilder builder;
|
|
for (char ch : input) {
|
|
if (in_userinfo_set((u8)ch)) {
|
|
builder.append('%');
|
|
builder.appendf("%02X", (u8)ch);
|
|
} else {
|
|
builder.append(ch);
|
|
}
|
|
}
|
|
return builder.to_string();
|
|
}
|
|
|
|
}
|