Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libform/frm_data.c	Lines:	0	34	0.0 %
Date:	2017-11-13	Branches:	0	42	0.0 %


/*	$OpenBSD: frm_data.c,v 1.8 2015/01/23 22:48:51 krw Exp $	*/
/****************************************************************************
 * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc.              *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: frm_data.c,v 1.8 2015/01/23 22:48:51 krw Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  bool data_behind(const FORM *form)
|
|   Description   :  Check for off-screen data behind. This is nearly trivial
|                    because the beginning of a field is fixed.
|
|   Return Values :  TRUE   - there are off-screen data behind
|                    FALSE  - there are no off-screen data behind
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(bool)
data_behind(const FORM *form)
{
  bool result = FALSE;

  T((T_CALLED("data_behind(%p)"), form));

  if (form && (form->status & _POSTED) && form->current)
    {
      FIELD *field;

      field = form->current;
      if (!Single_Line_Field(field))
	{
	  result = (form->toprow == 0) ? FALSE : TRUE;
	}
      else
	{
	  result = (form->begincol == 0) ? FALSE : TRUE;
	}
    }
  returnBool(result);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  static char * Only_Padding(
|                                    WINDOW *w,
|                                    int len,
|                                    int pad)
|
|   Description   :  Test if 'length' cells starting at the current position
|                    contain a padding character.
|
|   Return Values :  true if only padding cells are found
+--------------------------------------------------------------------------*/
NCURSES_INLINE static bool
Only_Padding(WINDOW *w, int len, int pad)
{
  bool result = TRUE;
  int y, x, j;
  FIELD_CELL cell;

  getyx(w, y, x);
  for (j = 0; j < len; ++j)
    {
      if (wmove(w, y, x + j) != ERR)
	{
#if USE_WIDEC_SUPPORT
	  if (win_wch(w, &cell) != ERR)
	    {
	      if ((chtype)CharOf(cell) != ChCharOf(pad)
		  || cell.chars[1] != 0)
		{
		  result = FALSE;
		  break;
		}
	    }
#else
	  cell = winch(w);
	  if (ChCharOf(cell) != ChCharOf(pad))
	    {
	      result = FALSE;
	      break;
	    }
#endif
	}
      else
	{
	  /* if an error, return true: no non-padding text found */
	  break;
	}
    }
  /* no need to reset the cursor position; caller does this */
  return result;
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  bool data_ahead(const FORM *form)
|
|   Description   :  Check for off-screen data ahead. This is more difficult
|                    because a dynamic field has a variable end.
|
|   Return Values :  TRUE   - there are off-screen data ahead
|                    FALSE  - there are no off-screen data ahead
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(bool)
data_ahead(const FORM *form)
{
  bool result = FALSE;

  T((T_CALLED("data_ahead(%p)"), form));

  if (form && (form->status & _POSTED) && form->current)
    {
      FIELD *field;
      bool cursor_moved = FALSE;
      int pos;

      field = form->current;
      assert(form->w);

      if (Single_Line_Field(field))
	{
	  int check_len;

	  pos = form->begincol + field->cols;
	  while (pos < field->dcols)
	    {
	      check_len = field->dcols - pos;
	      if (check_len >= field->cols)
		check_len = field->cols;
	      cursor_moved = TRUE;
	      wmove(form->w, 0, pos);
	      if (Only_Padding(form->w, check_len, field->pad))
		pos += field->cols;
	      else
		{
		  result = TRUE;
		  break;
		}
	    }
	}
      else
	{
	  pos = form->toprow + field->rows;
	  while (pos < field->drows)
	    {
	      cursor_moved = TRUE;
	      wmove(form->w, pos, 0);
	      pos++;
	      if (!Only_Padding(form->w, field->cols, field->pad))
		{
		  result = TRUE;
		  break;
		}
	    }
	}

      if (cursor_moved)
	wmove(form->w, form->currow, form->curcol);
    }
  returnBool(result);
}

/* frm_data.c ends here */


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: frm_data.c,v 1.8 2015/01/23 22:48:51 krw Exp $ */
2			/****************************************************************************
3			* Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
4			* *
5			* Permission is hereby granted, free of charge, to any person obtaining a *
6			* copy of this software and associated documentation files (the *
7			* "Software"), to deal in the Software without restriction, including *
8			* without limitation the rights to use, copy, modify, merge, publish, *
9			* distribute, distribute with modifications, sublicense, and/or sell *
10			* copies of the Software, and to permit persons to whom the Software is *
11			* furnished to do so, subject to the following conditions: *
12			* *
13			* The above copyright notice and this permission notice shall be included *
14			* in all copies or substantial portions of the Software. *
15			* *
16			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17			* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18			* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19			* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20			* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21			* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22			* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23			* *
24			* Except as contained in this notice, the name(s) of the above copyright *
25			* holders shall not be used in advertising or otherwise to promote the *
26			* sale, use or other dealings in this Software without prior written *
27			* authorization. *
28			****************************************************************************/
29
30			/****************************************************************************
31			* Author: Juergen Pfeifer, 1995,1997 *
32			****************************************************************************/
33
34			#include "form.priv.h"
35
36			MODULE_ID("$Id: frm_data.c,v 1.8 2015/01/23 22:48:51 krw Exp $")
37
38			/*---------------------------------------------------------------------------
39			\| Facility : libnform
40			\| Function : bool data_behind(const FORM *form)
41			\|
42			\| Description : Check for off-screen data behind. This is nearly trivial
43			\| because the beginning of a field is fixed.
44			\|
45			\| Return Values : TRUE - there are off-screen data behind
46			\| FALSE - there are no off-screen data behind
47			+--------------------------------------------------------------------------*/
48			NCURSES_EXPORT(bool)
49			data_behind(const FORM *form)
50			{
51			bool result = FALSE;
52
53			T((T_CALLED("data_behind(%p)"), form));
54
55			if (form && (form->status & _POSTED) && form->current)
56			{
57			FIELD *field;
58
59			field = form->current;
60			if (!Single_Line_Field(field))
61			{
62			result = (form->toprow == 0) ? FALSE : TRUE;
63			}
64			else
65			{
66			result = (form->begincol == 0) ? FALSE : TRUE;
67			}
68			}
69			returnBool(result);
70			}
71
72			/*---------------------------------------------------------------------------
73			\| Facility : libnform
74			\| Function : static char * Only_Padding(
75			\| WINDOW *w,
76			\| int len,
77			\| int pad)
78			\|
79			\| Description : Test if 'length' cells starting at the current position
80			\| contain a padding character.
81			\|
82			\| Return Values : true if only padding cells are found
83			+--------------------------------------------------------------------------*/
84			NCURSES_INLINE static bool
85			Only_Padding(WINDOW *w, int len, int pad)
86			{
87			bool result = TRUE;
88			int y, x, j;
89			FIELD_CELL cell;
90
91			getyx(w, y, x);
92			for (j = 0; j < len; ++j)
93			{
94			if (wmove(w, y, x + j) != ERR)
95			{
96			#if USE_WIDEC_SUPPORT
97			if (win_wch(w, &cell) != ERR)
98			{
99			if ((chtype)CharOf(cell) != ChCharOf(pad)
100			\|\| cell.chars[1] != 0)
101			{
102			result = FALSE;
103			break;
104			}
105			}
106			#else
107			cell = winch(w);
108			if (ChCharOf(cell) != ChCharOf(pad))
109			{
110			result = FALSE;
111			break;
112			}
113			#endif
114			}
115			else
116			{
117			/* if an error, return true: no non-padding text found */
118			break;
119			}
120			}
121			/* no need to reset the cursor position; caller does this */
122			return result;
123			}
124
125			/*---------------------------------------------------------------------------
126			\| Facility : libnform
127			\| Function : bool data_ahead(const FORM *form)
128			\|
129			\| Description : Check for off-screen data ahead. This is more difficult
130			\| because a dynamic field has a variable end.
131			\|
132			\| Return Values : TRUE - there are off-screen data ahead
133			\| FALSE - there are no off-screen data ahead
134			+--------------------------------------------------------------------------*/
135			NCURSES_EXPORT(bool)
136			data_ahead(const FORM *form)
137			{
138			bool result = FALSE;
139
140			T((T_CALLED("data_ahead(%p)"), form));
141
142			if (form && (form->status & _POSTED) && form->current)
143			{
144			FIELD *field;
145			bool cursor_moved = FALSE;
146			int pos;
147
148			field = form->current;
149			assert(form->w);
150
151			if (Single_Line_Field(field))
152			{
153			int check_len;
154
155			pos = form->begincol + field->cols;
156			while (pos < field->dcols)
157			{
158			check_len = field->dcols - pos;
159			if (check_len >= field->cols)
160			check_len = field->cols;
161			cursor_moved = TRUE;
162			wmove(form->w, 0, pos);
163			if (Only_Padding(form->w, check_len, field->pad))
164			pos += field->cols;
165			else
166			{
167			result = TRUE;
168			break;
169			}
170			}
171			}
172			else
173			{
174			pos = form->toprow + field->rows;
175			while (pos < field->drows)
176			{
177			cursor_moved = TRUE;
178			wmove(form->w, pos, 0);
179			pos++;
180			if (!Only_Padding(form->w, field->cols, field->pad))
181			{
182			result = TRUE;
183			break;
184			}
185			}
186			}
187
188			if (cursor_moved)
189			wmove(form->w, form->currow, form->curcol);
190			}
191			returnBool(result);
192			}
193
194			/* frm_data.c ends here */