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813.1.2
by Jay Pipes
First function cleanup for temporal handling: YEAR() |
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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*
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* Copyright (C) 2008 Sun Microsystems
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*
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* Authors:
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*
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* Jay Pipes <jay.pipes@sun.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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*
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* Defines the API for matching datetime formats.
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*/
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#ifndef DRIZZLED_TEMPORAL_FORMAT_MATCH_H
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#define DRIZZLED_TEMPORAL_FORMAT_MATCH_H
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859.1.6
by Monty Taylor
Fix for multi-versions of PCRE thing. |
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#include PCRE_HEADER
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813.1.2
by Jay Pipes
First function cleanup for temporal handling: YEAR() |
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/* Output vector size for pcre matching. Should be multiple of 3. */
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#define OUT_VECTOR_SIZE 30
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namespace drizzled |
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{
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/* Forward declaration needed */
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class Temporal; |
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class TemporalFormat |
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{
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protected: |
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const char *_pattern; /**< The regular expression string to match */ |
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pcre *_re; /**< The compiled regular expression struct */ |
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int32_t _error_offset; /**< Any error encountered during compilation or matching */ |
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const char *_error; |
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int32_t _match_vector[OUT_VECTOR_SIZE]; /**< Stores match substring indexes */ |
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/* Index of the pattern which is a specific temporal part */
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uint32_t _year_part_index; |
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uint32_t _month_part_index; |
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uint32_t _day_part_index; |
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uint32_t _hour_part_index; |
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uint32_t _minute_part_index; |
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uint32_t _second_part_index; |
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uint32_t _usecond_part_index; |
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813.1.12
by Jay Pipes
Fixes for SECOND() function to use new Temporal system. Because |
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uint32_t _nsecond_part_index; |
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813.1.2
by Jay Pipes
First function cleanup for temporal handling: YEAR() |
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public: |
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/**
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* Constructor which takes a regex string as
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* it's only parameter.
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*
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* @param Pattern to use in matching
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*/
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TemporalFormat(const char *pattern); |
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/**
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* Returns whether the instance is compiled
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* and contains a valid regular expression.
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*/
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inline bool is_valid() const {return _re && (_error == NULL);} |
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/**
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* Sets the index for the year part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_year_part_index(int32_t index) {_year_part_index= ((index - 1) * 2) + 2;} |
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/**
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* Sets the index for the month part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_month_part_index(int32_t index) {_month_part_index= ((index - 1) * 2) + 2;} |
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/**
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* Sets the index for the day part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_day_part_index(int32_t index) {_day_part_index= ((index - 1) * 2) + 2;} |
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/**
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* Sets the index for the hour part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_hour_part_index(int32_t index) {_hour_part_index= ((index - 1) * 2) + 2;} |
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/**
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* Sets the index for the minute part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_minute_part_index(int32_t index) {_minute_part_index= ((index - 1) * 2) + 2;} |
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/**
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* Sets the index for the second part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_second_part_index(int32_t index) {_second_part_index= ((index - 1) * 2) + 2;} |
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/**
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813.1.12
by Jay Pipes
Fixes for SECOND() function to use new Temporal system. Because |
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* Sets the index for the microsecond part of the pattern.
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813.1.2
by Jay Pipes
First function cleanup for temporal handling: YEAR() |
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*
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* @param index of the temporal part
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*/
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inline void set_usecond_part_index(int32_t index) {_usecond_part_index= ((index - 1) * 2) + 2;} |
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/**
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813.1.12
by Jay Pipes
Fixes for SECOND() function to use new Temporal system. Because |
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* Sets the index for the nanosecond part of the pattern.
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*
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* @param index of the temporal part
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*/
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inline void set_nsecond_part_index(int32_t index) {_nsecond_part_index= ((index - 1) * 2) + 2;} |
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/**
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813.1.2
by Jay Pipes
First function cleanup for temporal handling: YEAR() |
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* Returns true or false whether a supplied
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* string matches the internal pattern for this
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* temporal format string.
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*
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* @param Subject to match
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* @param Length of subject string
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*/
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bool matches(const char *data, size_t data_len, Temporal *to); |
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};
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} /* end namespace drizzled */ |
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/**
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* Initializes the regular expressions used by the datetime
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* string matching conversion functions.
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*
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* Returns whether initialization was successful.
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*
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* @note
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*
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* This function is not thread-safe. Call before threading
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* is initialized on server init.
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*/
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bool init_temporal_formats(); |
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#endif /* DRIZZLED_TEMPORAL_FORMAT_MATCH_H */ |