tomlplusplus/include/toml++/impl/formatter.h
Mark Gillard 7b50df796f added toml::yaml_formatter
also:
- fixed parser not correctly round-tripping int format in some cases
- added `TOML_ENABLE_FORMATTERS` option
- added `operator->` to `toml::value`
- refactoring
2021-11-03 12:18:53 +02:00

168 lines
3.2 KiB
C++

//# This file is a part of toml++ and is subject to the the terms of the MIT license.
//# Copyright (c) Mark Gillard <mark.gillard@outlook.com.au>
//# See https://github.com/marzer/tomlplusplus/blob/master/LICENSE for the full license text.
// SPDX-License-Identifier: MIT
#pragma once
#include "preprocessor.h"
#if TOML_ENABLE_FORMATTERS
#include "forward_declarations.h"
#include "print_to_stream.h"
#include "header_start.h"
/// \cond
TOML_IMPL_NAMESPACE_START
{
struct formatter_constants
{
format_flags mandatory_flags;
format_flags ignored_flags;
std::string_view float_pos_inf;
std::string_view float_neg_inf;
std::string_view float_nan;
std::string_view bool_true;
std::string_view bool_false;
};
struct formatter_config
{
format_flags flags;
std::string_view indent;
};
class formatter
{
private:
const node* source_;
#if TOML_ENABLE_PARSER && !TOML_EXCEPTIONS
const parse_result* result_;
#endif
const formatter_constants* constants_;
formatter_config config_;
size_t indent_columns_;
format_flags int_format_mask_;
std::ostream* stream_; //
int indent_; // these are set in attach()
bool naked_newline_; //
protected:
TOML_PURE_INLINE_GETTER
const node& source() const noexcept
{
return *source_;
}
TOML_PURE_INLINE_GETTER
std::ostream& stream() const noexcept
{
return *stream_;
}
TOML_PURE_INLINE_GETTER
int indent() const noexcept
{
return indent_;
}
void indent(int level) noexcept
{
indent_ = level;
}
void increase_indent() noexcept
{
indent_++;
}
void decrease_indent() noexcept
{
indent_--;
}
TOML_PURE_INLINE_GETTER
size_t indent_columns() const noexcept
{
return indent_columns_;
}
TOML_PURE_INLINE_GETTER
bool indent_array_elements() const noexcept
{
return !!(config_.flags & format_flags::indent_array_elements);
}
TOML_PURE_INLINE_GETTER
bool indent_sub_tables() const noexcept
{
return !!(config_.flags & format_flags::indent_sub_tables);
}
TOML_PURE_INLINE_GETTER
bool literal_strings_allowed() const noexcept
{
return !!(config_.flags & format_flags::allow_literal_strings);
}
TOML_API
void attach(std::ostream& stream) noexcept;
TOML_API
void detach() noexcept;
TOML_API
void print_newline(bool force = false);
TOML_API
void print_indent();
TOML_API
void print_unformatted(char);
TOML_API
void print_unformatted(std::string_view);
TOML_API
void print_string(std::string_view str, bool allow_multi_line = true, bool allow_bare = false);
TOML_API
void print(const value<std::string>&);
TOML_API
void print(const value<int64_t>&);
TOML_API
void print(const value<double>&);
TOML_API
void print(const value<bool>&);
TOML_API
void print(const value<date>&);
TOML_API
void print(const value<time>&);
TOML_API
void print(const value<date_time>&);
TOML_API
void print_value(const node&, node_type);
TOML_NODISCARD
TOML_API
bool dump_failed_parse_result();
TOML_NODISCARD_CTOR
TOML_API
formatter(const node*, const parse_result*, const formatter_constants&, const formatter_config&) noexcept;
};
}
TOML_IMPL_NAMESPACE_END;
/// \endcond
#include "header_end.h"
#endif // TOML_ENABLE_FORMATTERS