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/*
* Copyright (c) 2015-2017 Balabit
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef KV_SCANNER_H_INCLUDED
#define KV_SCANNER_H_INCLUDED
#include "syslog-ng.h"
#include "str-utils.h"
typedef struct _KVScanner KVScanner;
typedef gboolean (*KVTransformValueFunc)(KVScanner *);
typedef void (*KVExtractAnnotationFunc)(KVScanner *);
typedef gboolean (*KVIsValidKeyCharFunc)(gchar c);
struct _KVScanner
{
const gchar *input;
gsize input_pos;
GString *key;
GString *value;
GString *decoded_value;
GString *stray_words;
gboolean value_was_quoted;
gchar value_separator;
const gchar *pair_separator;
gsize pair_separator_len;
gchar stop_char;
KVTransformValueFunc transform_value;
KVExtractAnnotationFunc extract_annotation;
KVIsValidKeyCharFunc is_valid_key_character;
};
void kv_scanner_init(KVScanner *self, gchar value_separator, const gchar *pair_separator, gboolean extract_stray_words);
void kv_scanner_deinit(KVScanner *self);
static inline void
kv_scanner_input(KVScanner *self, const gchar *input)
{
self->input = input;
self->input_pos = 0;
if (self->stray_words)
g_string_truncate(self->stray_words, 0);
}
static inline const gchar *
kv_scanner_get_current_key(KVScanner *self)
{
return self->key->str;
}
static inline gsize
kv_scanner_get_current_key_len(KVScanner *self)
{
return self->key->len;
}
static inline const gchar *
kv_scanner_get_current_value(KVScanner *self)
{
return self->value->str;
}
static inline gsize
kv_scanner_get_current_value_len(KVScanner *self)
{
return self->value->len;
}
static inline const gchar *
kv_scanner_get_stray_words(KVScanner *self)
{
return self->stray_words ? self->stray_words->str : NULL;
}
static inline gsize
kv_scanner_get_stray_words_len(KVScanner *self)
{
return self->stray_words ? self->stray_words->len : 0;
}
static inline void
kv_scanner_set_transform_value(KVScanner *self, KVTransformValueFunc transform_value)
{
self->transform_value = transform_value;
}
static inline void
kv_scanner_set_extract_annotation_func(KVScanner *self, KVExtractAnnotationFunc extract_annotation)
{
self->extract_annotation = extract_annotation;
}
static inline void
kv_scanner_set_valid_key_character_func(KVScanner *self, KVIsValidKeyCharFunc is_valid_key_character)
{
self->is_valid_key_character = is_valid_key_character;
}
static inline void
kv_scanner_set_stop_character(KVScanner *self, gchar stop_char)
{
self->stop_char = stop_char;
}
gboolean kv_scanner_scan_next(KVScanner *self);
#endif
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