1  /* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
       2  
       3  /* libcroco - Library for parsing and applying CSS
       4   * Copyright (C) 2006-2019 Free Software Foundation, Inc.
       5   *
       6   * This file is not part of the GNU gettext program, but is used with
       7   * GNU gettext.
       8   *
       9   * The original copyright notice is as follows:
      10   */
      11  
      12  /*
      13   * This file is part of The Croco Library
      14   *
      15   * Copyright (C) 2003-2004 Dodji Seketeli.  All Rights Reserved.
      16   *
      17   * This program is free software; you can redistribute it and/or
      18   * modify it under the terms of version 2.1 of the GNU Lesser General Public
      19   * License as published by the Free Software Foundation.
      20   *
      21   * This program is distributed in the hope that it will be useful,
      22   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      23   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      24   * GNU General Public License for more details.
      25   *
      26   * You should have received a copy of the GNU Lesser General Public License
      27   * along with this program; if not, write to the Free Software
      28   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
      29   * USA
      30   *
      31   * Author: Dodji Seketeli
      32   */
      33  
      34  
      35  /**
      36   *@file
      37   *The declaration
      38   *of the #CRNum class.
      39   */
      40  
      41  #ifndef __CR_NUM_H__
      42  #define __CR_NUM_H__
      43  
      44  #include <glib.h>
      45  #include "cr-utils.h"
      46  #include "cr-parsing-location.h"
      47  
      48  G_BEGIN_DECLS
      49  
      50  /**
      51   *@file
      52   *The declaration of the #CRNum class.
      53   *
      54   */
      55  
      56  /**
      57   *The different types
      58   *of numbers.
      59   *Please, do not modify
      60   *the declaration order of the enum
      61   *members, unless you know 
      62   *what you are doing.
      63   */
      64  enum CRNumType
      65  {
      66          NUM_AUTO = 0,
      67          NUM_GENERIC,
      68          NUM_LENGTH_EM,
      69          NUM_LENGTH_EX,
      70          NUM_LENGTH_PX,
      71          NUM_LENGTH_IN,
      72          NUM_LENGTH_CM,
      73          NUM_LENGTH_MM,
      74          NUM_LENGTH_PT,
      75          NUM_LENGTH_PC,
      76          NUM_ANGLE_DEG,
      77          NUM_ANGLE_RAD,
      78          NUM_ANGLE_GRAD,
      79          NUM_TIME_MS,
      80          NUM_TIME_S,
      81          NUM_FREQ_HZ,
      82          NUM_FREQ_KHZ,
      83          NUM_PERCENTAGE,
      84  	NUM_INHERIT,
      85          NUM_UNKNOWN_TYPE,
      86          NB_NUM_TYPE
      87  } ;
      88  
      89  
      90  /**
      91   *An abstraction of a number (num)
      92   *as defined in the css2 spec.
      93   */
      94  typedef struct _CRNum CRNum ;
      95  
      96  /**
      97   *An abstraction of a number (num)
      98   *as defined in the css2 spec.
      99   */
     100  struct _CRNum
     101  {
     102          enum CRNumType type ;
     103          gdouble val ;
     104          CRParsingLocation location ;
     105  } ;
     106  
     107  CRNum *
     108  cr_num_new (void) ;
     109  	
     110  CRNum *
     111  cr_num_new_with_val (gdouble a_val,
     112                       enum CRNumType a_type) ;
     113  
     114  CRNum *
     115  cr_num_dup (CRNum const *a_this) ;
     116  
     117  guchar *
     118  cr_num_to_string (CRNum const *a_this) ;
     119  
     120  enum CRStatus
     121  cr_num_copy (CRNum *a_dest, CRNum const *a_src) ;
     122  
     123  enum CRStatus
     124  cr_num_set (CRNum *a_this, gdouble a_val, 
     125              enum CRNumType a_type) ;
     126  
     127  gboolean
     128  cr_num_is_fixed_length (CRNum const *a_this) ;
     129  
     130  void
     131  cr_num_destroy (CRNum *a_this) ;
     132  
     133  
     134  G_END_DECLS
     135  
     136  
     137  #endif /*__CR_NUM_H__*/