mirror of
https://github.com/jmcnamara/libxlsxwriter
synced 2025-03-28 21:13:14 +00:00
85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
/*
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* libxlsxwriter
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*
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* Copyright 2014, John McNamara, jmcnamara@cpan.org. See LICENSE.txt.
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*/
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/**
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* @file utility.h
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*
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* @brief Utility functions for libxlsxwriter.
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*
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* <!-- Copyright 2014, John McNamara, jmcnamara@cpan.org -->
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*
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*/
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#ifndef __LXW_UTILITY_H__
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#define __LXW_UTILITY_H__
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#include <stdint.h>
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#include "common.h"
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#define MAX_COL_NAME_LENGTH 5
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#define MAX_CELL_NAME_LENGTH 13
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#define MAX_CELL_RANGE_LENGTH (MAX_CELL_NAME_LENGTH * 2 + 1)
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#define EPOCH_1900 0
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#define EPOCH_1904 1
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/** @brief Struct to represent a date and time in Excel.
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*
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* Struct to represent a date and time in Excel. See @ref working_with_dates.
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*/
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typedef struct lxw_datetime {
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/** Year : 1900 - 9999 */
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int year;
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/** Month : 1 - 12 */
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int month;
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/** Day : 1 - 31 */
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int day;
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/** Hour : 0 - 23 */
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int hour;
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/** Minute : 0 - 59 */
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int min;
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/** Seconds : 0 - 59.999 */
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double sec;
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} lxw_datetime;
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* *INDENT-ON* */
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void _xl_col_to_name(char *col_name, int col_num, uint8_t absolute);
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void xl_rowcol_to_cell(char *cell_name, int row, int col);
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void xl_rowcol_to_cell_abs(char *cell_name,
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int row,
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int col, uint8_t abs_row, uint8_t abs_col);
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void xl_range(char *range,
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int first_row, int first_col, int last_row, int last_col);
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void xl_range_abs(char *range,
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int first_row, int first_col, int last_row, int last_col);
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double _datetime_to_excel_date(lxw_datetime *datetime, uint8_t date_1904);
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/* Declarations required for unit testing. */
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#ifdef TESTING
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#endif
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/* *INDENT-OFF* */
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#ifdef __cplusplus
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}
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#endif
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/* *INDENT-ON* */
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#endif /* __LXW_UTILITY_H__ */
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