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/*
* Copyright (c) 2018 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 XML_SCANNER_H_INCLUDED
#define XML_SCANNER_H_INCLUDED
#include "syslog-ng.h"
#include "messages.h"
#include <string.h>
typedef struct _XMLScanner XMLScanner;
typedef void (*PushCurrentKeyValueCB)(const gchar *name, const gchar *value, gssize value_length, gpointer user_data);
typedef struct
{
gboolean strip_whitespaces;
GList *exclude_tags;
gboolean matchstring_shouldreverse;
GPtrArray *exclude_patterns;
} XMLScannerOptions;
typedef struct
{
PushCurrentKeyValueCB push_function;
gpointer user_data;
} PushCurrentKeyValue;
struct _XMLScanner
{
GMarkupParseContext *xml_ctx;
XMLScannerOptions *options;
gboolean pop_next_time;
GString *key;
GString *text;
GQueue *text_stack;
gboolean (*start_element_cb) (XMLScanner *self, const gchar *element_name, const gchar **attribute_names,
const gchar **attribute_values, GError **error);
void (*end_element_cb) (XMLScanner *self, const gchar *element_name, GError **error);
void (*text_cb) (XMLScanner *self, const gchar *element_name,
const gchar *text, gsize text_len, GError **error);
PushCurrentKeyValue push_key_value;
void (*push_text) (XMLScanner *self);
};
void xml_scanner_init(XMLScanner *self, XMLScannerOptions *options, PushCurrentKeyValueCB push_function,
gpointer user_data, gchar *key_prefix);
void xml_scanner_deinit(XMLScanner *self);
void xml_scanner_parse(XMLScanner *self, const gchar *input, gsize input_len, GError **error);
static inline void
xml_scanner_push_current_key_value(XMLScanner *self, const gchar *name, const gchar *value, gssize value_length)
{
self->push_key_value.push_function(name, value, value_length, self->push_key_value.user_data);
}
void xml_scanner_push_text_method(XMLScanner *self);
gboolean xml_scanner_start_element_method(XMLScanner *self, const gchar *element_name, const gchar **attribute_names,
const gchar **attribute_values, GError **error);
void xml_scanner_end_element_method(XMLScanner *self, const gchar *element_name, GError **error);
void xml_scanner_text_method(XMLScanner *self, const gchar *element_name,
const gchar *text, gsize text_len, GError **error);
void xml_scanner_options_set_and_compile_exclude_tags(XMLScannerOptions *self, GList *exclude_tags);
void xml_scanner_options_set_strip_whitespaces(XMLScannerOptions *self, gboolean setting);
void xml_scanner_options_copy(XMLScannerOptions *dest, XMLScannerOptions *source);
void xml_scanner_options_destroy(XMLScannerOptions *self);
void xml_scanner_options_defaults(XMLScannerOptions *self);
gboolean joker_or_wildcard(GList *patterns);
#endif
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