mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-25 00:50:22 +00:00
1682f0b760
SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/GenericLexer.h>
|
|
#include <AK/HashMap.h>
|
|
#include <AK/String.h>
|
|
#include <AK/StringBuilder.h>
|
|
|
|
namespace AK {
|
|
|
|
class SourceGenerator {
|
|
AK_MAKE_NONCOPYABLE(SourceGenerator);
|
|
|
|
public:
|
|
using MappingType = HashMap<StringView, String>;
|
|
|
|
explicit SourceGenerator(StringBuilder& builder, char opening = '@', char closing = '@')
|
|
: m_builder(builder)
|
|
, m_opening(opening)
|
|
, m_closing(closing)
|
|
{
|
|
}
|
|
explicit SourceGenerator(StringBuilder& builder, const MappingType& mapping, char opening = '@', char closing = '@')
|
|
: m_builder(builder)
|
|
, m_mapping(mapping)
|
|
, m_opening(opening)
|
|
, m_closing(closing)
|
|
{
|
|
}
|
|
|
|
SourceGenerator fork() { return SourceGenerator { m_builder, m_mapping, m_opening, m_closing }; }
|
|
|
|
void set(StringView key, String value) { m_mapping.set(key, value); }
|
|
String get(StringView key) const { return m_mapping.get(key).value(); }
|
|
|
|
StringView as_string_view() const { return m_builder.string_view(); }
|
|
String as_string() const { return m_builder.build(); }
|
|
|
|
void append(StringView pattern)
|
|
{
|
|
GenericLexer lexer { pattern };
|
|
|
|
while (!lexer.is_eof()) {
|
|
// FIXME: It is a bit inconvenient, that 'consume_until' also consumes the 'stop' character, this makes
|
|
// the method less generic because there is no way to check if the 'stop' character ever appeared.
|
|
const auto consume_until_without_consuming_stop_character = [&](char stop) {
|
|
return lexer.consume_while([&](char ch) { return ch != stop; });
|
|
};
|
|
|
|
m_builder.append(consume_until_without_consuming_stop_character(m_opening));
|
|
|
|
if (lexer.consume_specific(m_opening)) {
|
|
const auto placeholder = consume_until_without_consuming_stop_character(m_closing);
|
|
|
|
if (!lexer.consume_specific(m_closing))
|
|
VERIFY_NOT_REACHED();
|
|
|
|
m_builder.append(get(placeholder));
|
|
} else {
|
|
VERIFY(lexer.is_eof());
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
StringBuilder& m_builder;
|
|
MappingType m_mapping;
|
|
char m_opening, m_closing;
|
|
};
|
|
|
|
}
|
|
|
|
using AK::SourceGenerator;
|