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Libraries: Move to Userland/Libraries/

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This commit is contained in:
Andreas Kling 2021-01-12 12:17:30 +01:00
parent dc28c07fa5
commit 13d7c09125
1857 changed files with 266 additions and 274 deletions
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160
Libraries/LibGUI/INILexer.cpp
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@ -1,160 +0,0 @@
/*
* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
* 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 "INILexer.h"
#include <AK/Vector.h>
#include <ctype.h>
namespace GUI {
IniLexer::IniLexer(const StringView& input)
: m_input(input)
{
}
char IniLexer::peek(size_t offset) const
{
if ((m_index + offset) >= m_input.length())
return 0;
return m_input[m_index + offset];
}
char IniLexer::consume()
{
ASSERT(m_index < m_input.length());
char ch = m_input[m_index++];
m_previous_position = m_position;
if (ch == '\n') {
m_position.line++;
m_position.column = 0;
} else {
m_position.column++;
}
return ch;
}
Vector<IniToken> IniLexer::lex()
{
Vector<IniToken> tokens;
size_t token_start_index = 0;
IniPosition token_start_position;
auto emit_token = [&](auto type) {
IniToken token;
token.m_type = type;
token.m_start = m_position;
token.m_end = m_position;
tokens.append(token);
consume();
};
auto begin_token = [&] {
token_start_index = m_index;
token_start_position = m_position;
};
auto commit_token = [&](auto type) {
IniToken token;
token.m_type = type;
token.m_start = token_start_position;
token.m_end = m_previous_position;
tokens.append(token);
};
while (m_index < m_input.length()) {
auto ch = peek();
if (isspace(ch)) {
begin_token();
while (isspace(peek()))
consume();
commit_token(IniToken::Type::Whitespace);
continue;
}
// ;Comment
if (ch == ';') {
begin_token();
while (peek() && peek() != '\n')
consume();
commit_token(IniToken::Type::Comment);
continue;
}
// [Section]
if (ch == '[') {
// [ Token
begin_token();
consume();
commit_token(IniToken::Type::LeftBracket);
// Section
begin_token();
while (peek() && !(peek() == ']' || peek() == '\n'))
consume();
commit_token(IniToken::Type::section);
// ] Token
if (peek() && peek() == ']') {
begin_token();
consume();
commit_token(IniToken::Type::RightBracket);
}
continue;
}
// Empty Line
if (ch == '\n') {
consume();
emit_token(IniToken::Type::Unknown);
continue;
}
// Name=Value
begin_token();
while (peek() && !(peek() == '=' || peek() == '\n'))
consume();
commit_token(IniToken::Type::Name);
if (peek() && peek() == '=') {
begin_token();
consume();
commit_token(IniToken::Type::Equal);
}
if (peek()) {
begin_token();
while (peek() && peek() != '\n')
consume();
commit_token(IniToken::Type::Value);
}
}
return tokens;
}
}