1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164
|
/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 29 апр. 2020 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_CONFIG_PULLPARSER_H_
#define LSP_PLUG_IN_FMT_CONFIG_PULLPARSER_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/io/Path.h>
#include <lsp-plug.in/io/IInSequence.h>
#include <lsp-plug.in/io/IInStream.h>
#include <lsp-plug.in/fmt/config/types.h>
namespace lsp
{
namespace config
{
class PullParser
{
private:
PullParser & operator = (const PullParser &);
protected:
io::IInSequence *pIn;
size_t nWFlags;
param_t sParam;
LSPString sLine;
LSPString sKey;
LSPString sValue;
protected:
bool skip_spaces(size_t &off);
status_t read_key(size_t &off);
status_t read_type(size_t &off, size_t &flags);
status_t read_value(size_t &off, size_t &flags);
status_t parse_line(size_t &flags);
static status_t parse_int32(const LSPString *str, int32_t *dst);
static status_t parse_uint32(const LSPString *str, uint32_t *dst);
static status_t parse_float(const LSPString *str, float *dst, size_t *flags);
static status_t parse_int64(const LSPString *str, int64_t *dst);
static status_t parse_uint64(const LSPString *str, uint64_t *dst);
static status_t parse_double(const LSPString *str, double *dst, size_t *flags);
static status_t parse_bool(const LSPString *str, bool *dst);
static status_t parse_blob(const LSPString *str, blob_t *dst);
protected:
virtual status_t commit_param(const LSPString *key, const LSPString *value, size_t flags);
public:
explicit PullParser();
virtual ~PullParser();
public:
/**
* Open parser
* @param path UTF-8 path to the file
* @param charset character set
* @return status of operation
*/
virtual status_t open(const char *path, const char *charset = NULL);
/**
* Open parser
* @param path string representation of path to the file
* @param charset character set
* @return status of operation
*/
virtual status_t open(const LSPString *path, const char *charset = NULL);
/**
* Open parser
* @param path path to the file
* @param charset character set
* @return status of operation
*/
virtual status_t open(const io::Path *path, const char *charset = NULL);
/**
* Wrap string with parser
* @param str string to wrap
* @param charset character set
* @return status of operation
*/
virtual status_t wrap(const char *str, const char *charset = NULL);
/**
* Wrap string with parser
* @param str string to wrap
* @return status of operation
*/
virtual status_t wrap(const LSPString *str);
/**
* Wrap input sequence with parser
* @param seq sequence to use for reads
* @return status of operation
*/
virtual status_t wrap(io::IInSequence *seq, size_t flags = WRAP_NONE);
/**
* Wrap input stream with parser
* @param is input stream
* @param flags wrap flags
* @param charset character set
* @return status of operation
*/
virtual status_t wrap(io::IInStream *is, size_t flags = WRAP_NONE, const char *charset = NULL);
/**
* Close parser
* @return status of operation
*/
virtual status_t close();
public:
/**
* Get next event
* @param ev pointer to structure to store the event
* @return status of operation
*/
virtual status_t next(param_t *param = NULL);
/**
* Get current event
* @param ev pointer to structure to store the event
* @return NULL if there is no current event
*/
virtual const param_t *current() const;
/**
* Get current event
* @param ev pointer to structure to store the event
* @return NULL if there is no current event
*/
virtual status_t current(param_t *ev) const;
};
} /* namespace config */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_FMT_CONFIG_PULLPARSER_H_ */
|