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/* -*- C++ -*- */ /* Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ #ifndef _PARSE_FILE_H_ #define _PARSE_FILE_H_ #include "sql_string.h" // LEX_STRING #include "sql_alloc.h" // Sql_alloc class THD; typedef struct st_mem_root MEM_ROOT; #define PARSE_FILE_TIMESTAMPLENGTH 19 enum file_opt_type { FILE_OPTIONS_STRING, /**< String (LEX_STRING) */ FILE_OPTIONS_ESTRING, /**< Escaped string (LEX_STRING) */ FILE_OPTIONS_ULONGLONG, /**< ulonglong parameter (ulonglong) */ FILE_OPTIONS_VIEW_ALGO, /**< Similar to longlong, but needs conversion */ FILE_OPTIONS_TIMESTAMP, /**< timestamp (LEX_STRING have to be allocated with length 20 (19+1) */ FILE_OPTIONS_STRLIST, /**< list of escaped strings (List<LEX_STRING>) */ FILE_OPTIONS_ULLLIST /**< list of ulonglong values (List<ulonglong>) */ }; struct File_option { LEX_CSTRING name; /**< Name of the option */ my_ptrdiff_t offset; /**< offset to base address of value */ file_opt_type type; /**< Option type */ }; /** This hook used to catch no longer supported keys and process them for backward compatibility. */ class Unknown_key_hook { public: Unknown_key_hook() = default; /* Remove gcc warning */ virtual ~Unknown_key_hook() = default; /* Remove gcc warning */ virtual bool process_unknown_string(const char *&unknown_key, uchar* base, MEM_ROOT *mem_root, const char *end)= 0; }; /** Dummy hook for parsers which do not need hook for unknown keys. */ class File_parser_dummy_hook: public Unknown_key_hook { public: File_parser_dummy_hook() = default; /* Remove gcc warning */ bool process_unknown_string(const char *&unknown_key, uchar* base, MEM_ROOT *mem_root, const char *end) override; }; extern File_parser_dummy_hook file_parser_dummy_hook; bool get_file_options_ulllist(const char *&ptr, const char *end, const char *line, uchar* base, File_option *parameter, MEM_ROOT *mem_root); const char * parse_escaped_string(const char *ptr, const char *end, MEM_ROOT *mem_root, LEX_CSTRING *str); class File_parser; File_parser *sql_parse_prepare(const LEX_CSTRING *file_name, MEM_ROOT *mem_root, bool bad_format_errors); my_bool sql_create_definition_file(const LEX_CSTRING *dir, const LEX_CSTRING *file_name, const LEX_CSTRING *type, uchar* base, File_option *parameters); my_bool rename_in_schema_file(THD *thd, const char *schema, const char *old_name, const char *new_db, const char *new_name); int sql_backup_definition_file(const LEX_CSTRING *org_name, LEX_CSTRING *new_name); int sql_restore_definition_file(const LEX_CSTRING *name); class File_parser: public Sql_alloc { char *start, *end; LEX_CSTRING file_type; bool content_ok; public: File_parser() :start(0), end(0), content_ok(0) { file_type.str= 0; file_type.length= 0; } bool ok() { return content_ok; } const LEX_CSTRING *type() const { return &file_type; } my_bool parse(uchar* base, MEM_ROOT *mem_root, struct File_option *parameters, uint required, Unknown_key_hook *hook) const; friend File_parser *sql_parse_prepare(const LEX_CSTRING *file_name, MEM_ROOT *mem_root, bool bad_format_errors); }; #endif /* _PARSE_FILE_H_ */
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