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/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 17 окт. 2019 г.
*
* lsp-runtime-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-runtime-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-runtime-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_FMT_JSON_SERIALIZER_H_
#define LSP_PLUG_IN_FMT_JSON_SERIALIZER_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/io/IOutStream.h>
#include <lsp-plug.in/io/IOutSequence.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/fmt/json/token.h>
#include <lsp-plug.in/lltl/darray.h>
namespace lsp
{
namespace json
{
class Serializer
{
protected:
enum pmode_t
{
WRITE_ROOT,
WRITE_ARRAY,
WRITE_OBJECT
};
enum serialize_flags_t
{
SF_PROPERTY = 1 << 0,
SF_VALUE = 1 << 1,
SF_COMMA = 1 << 2,
SF_CONTENT = 1 << 3
};
typedef struct state_t
{
pmode_t mode;
size_t flags;
size_t ident;
} state_t;
protected:
io::IOutSequence *pOut;
size_t nWFlags;
state_t sState;
lltl::darray<state_t> sStack;
serial_flags_t sSettings;
protected:
inline status_t push_state(pmode_t state);
status_t pop_state();
inline void copy_settings(const serial_flags_t *flags);
inline char hex(int x);
status_t write_raw(const char *buf, int len);
status_t write_literal(const LSPString *value);
inline status_t emit_comma();
inline status_t emit_separator();
public:
explicit Serializer();
Serializer(const Serializer &) = delete;
Serializer(Serializer &&) = delete;
virtual ~Serializer();
Serializer & operator = (const Serializer &) = delete;
Serializer & operator = (Serializer &&) = delete;
public:
/**
* Open serializer
* @param path UTF-8 path to the file
* @param settings serialization flags
* @param charset character set
* @return status of operation
*/
status_t open(const char *path, const serial_flags_t *settings, const char *charset = NULL);
/**
* Open serializer
* @param path string representation of path to the file
* @param settings serialization flags
* @param charset character set
* @return status of operation
*/
status_t open(const LSPString *path, const serial_flags_t *settings, const char *charset = NULL);
/**
* Open serializer
* @param path path to the file
* @param settings serialization flags
* @param charset character set
* @return status of operation
*/
status_t open(const io::Path *path, const serial_flags_t *settings, const char *charset = NULL);
/**
* Wrap string with serializer
* @param str string to wrap
* @param settings serialization flags
* @return status of operation
*/
status_t wrap(LSPString *str, const serial_flags_t *settings);
/**
* Wrap input sequence with serializer
* @param seq sequence to use for reads
* @param settings serialization flags
* @param flags wrapping flags
* @return status of operation
*/
status_t wrap(io::IOutSequence *seq, const serial_flags_t *settings, size_t flags = WRAP_NONE);
/**
* Wrap input stream with serializer
* @param os output stream
* @param settings serialization flags
* @param flags wrapping flags
* @param charset character set
* @return status of operation
*/
status_t wrap(io::IOutStream *os, const serial_flags_t *settings, size_t flags = WRAP_NONE, const char *charset = NULL);
/**
* Close serializer
* @return status of operation
*/
status_t close();
public:
/**
* Write JSON event to output
* @param event event to write
* @return status of operation
*/
status_t write(const event_t *event);
/**
* Write comma
* @return status of operation
*/
status_t write_comma();
/**
* Write new line
* @return status of operation
*/
status_t writeln();
/**
* Write integer value
* @param value value to write
* @return status of operation
*/
status_t write_int(int32_t value);
/**
* Write integer value
* @param value value to write
* @return status of operation
*/
status_t write_int(uint32_t value);
/**
* Write integer value
* @param value value to write
* @return status of operation
*/
status_t write_int(int64_t value);
/**
* Write integer value
* @param value value to write
* @return status of operation
*/
status_t write_int(uint64_t value);
/**
* Write hexadecimal value
* @param value value to write
* @return status of operation
*/
status_t write_hex(int32_t value);
/**
* Write hexadecimal value
* @param value value to write
* @return status of operation
*/
status_t write_hex(uint32_t value);
/**
* Write hexadecimal value
* @param value value to write
* @return status of operation
*/
status_t write_hex(int64_t value);
/**
* Write hexadecimal value
* @param value value to write
* @return status of operation
*/
status_t write_hex(uint64_t value);
/**
* Write double
* @param value double value
* @return status of operation
*/
status_t write_double(double value);
/**
* Write double
* @param value double value
* @param fmt format specifier (same as for sprintf)
* @return status of operation
*/
status_t write_double(double value, const char *fmt);
/**
* Write boolean value
* @param value value to write
* @return status of operation
*/
status_t write_bool(bool value);
/**
* Write string value
* @param value value to write, NULL will be interpreted as NULL value
* @param charset character set
* @return status of operation
*/
status_t write_string(const char *value, const char *charset);
/**
* Write string in UTF-8
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t write_string(const char *value);
/**
* Write string value
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t write_string(const LSPString *value);
/**
* Write null value
* @return status of operation
*/
status_t write_null();
/**
* Write comment
* @param value comment to write
* @return status of operation
*/
status_t write_comment(const char *value, const char *charset);
/**
* Write comment in UTF-8 encoding
* @param value comment to write
* @return status of operation
*/
status_t write_comment(const char *value);
/**
* Write comment
* @param value comment to write
* @return status of operation
*/
status_t write_comment(const LSPString *value);
/**
* Write property
* @param name property name
* @param charset character set
* @return status of operation
*/
status_t write_property(const char *name, const char *charset);
/**
* Write property in UTF-8 encoding
* @param name property name
* @return status of operation
*/
status_t write_property(const char *name);
/**
* Write property
* @param name property name
* @return status of operation
*/
status_t write_property(const LSPString *name);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const char *key, int32_t value);
/**
* Write integer property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const LSPString *key, int32_t value);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const char *key, uint32_t value);
/**
* Write integer property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const LSPString *key, uint32_t value);
/**
* Write integer property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const char *key, int64_t value);
/**
* Write integer property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const LSPString *key, int64_t value);
/**
* Write integer property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const char *key, uint64_t value);
/**
* Write integer property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_int(const LSPString *key, uint64_t value);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const char *key, int32_t value);
/**
* Write hexadecimal property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const LSPString *key, int32_t value);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const char *key, uint32_t value);
/**
* Write hexadecimal property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const LSPString *key, uint32_t value);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const char *key, int64_t value);
/**
* Write hexadecimal property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const LSPString *key, int64_t value);
/**
* Write hexadecimal property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const char *key, uint64_t value);
/**
* Write hexadecimal property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_hex(const LSPString *key, uint64_t value);
/**
* Write double property
* @param key UTF-8 property name
* @param value double value
* @return status of operation
*/
status_t prop_double(const char *key, double value);
/**
* Write double property
* @param key property name
* @param value double value
* @return status of operation
*/
status_t prop_double(const LSPString *key, double value);
/**
* Write double property
* @param key UTF-8 property name
* @param value double value
* @param fmt format specifier (same as for sprintf)
* @return status of operation
*/
status_t prop_double(const char *key, double value, const char *fmt);
/**
* Write double property
* @param key property name
* @param value double value
* @param fmt format specifier (same as for sprintf)
* @return status of operation
*/
status_t prop_double(const LSPString *key, double value, const char *fmt);
/**
* Write boolean property
* @param key UTF-8 property name
* @param value value to write
* @return status of operation
*/
status_t prop_bool(const char *key, bool value);
/**
* Write boolean property
* @param key property name
* @param value value to write
* @return status of operation
*/
status_t prop_bool(const LSPString *key, bool value);
/**
* Write string in UTF-8
* @param key UTF-8 property name
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t prop_string(const char *key, const char *value);
/**
* Write string value
* @param key UTF-8 property name
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t prop_string(const char *key, const LSPString *value);
/**
* Write string in UTF-8
* @param key UTF-8 property name
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t prop_string(const LSPString *key, const char *value);
/**
* Write string value
* @param key UTF-8 property name
* @param value value to write, NULL will be interpreted as NULL value
* @return status of operation
*/
status_t prop_string(const LSPString *key, const LSPString *value);
/**
* Write null property
* @param key UTF-8 property name
* @return status of operation
*/
status_t prop_null(const char *key);
/**
* Write null property
* @param key property name
* @return status of operation
*/
status_t prop_null(const LSPString *key);
/**
* Write beginning of the object
* @return status of operation
*/
status_t start_object();
/**
* Write the end of the object
* @return status of operation
*/
status_t end_object();
/**
* Write beginning of the array
* @return status of operation
*/
status_t start_array();
/**
* Write the end of the array
* @return status of operation
*/
status_t end_array();
public:
/**
* Get multiline flag
* @return multiline flag
*/
inline bool get_multiline() const { return sSettings.multiline; }
/**
* Get multiline flag
* @return multiline flag
*/
inline bool set_multiline(bool multiline)
{
bool prev = sSettings.multiline;
sSettings.multiline = multiline;
return prev;
}
};
} /* namespace json */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_FMT_JSON_SERIALIZER_H_ */
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