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Diffstat (limited to 'contrib/ncurses/form/fld_def.c')
-rw-r--r-- | contrib/ncurses/form/fld_def.c | 399 |
1 files changed, 0 insertions, 399 deletions
diff --git a/contrib/ncurses/form/fld_def.c b/contrib/ncurses/form/fld_def.c deleted file mode 100644 index 3559ba6..0000000 --- a/contrib/ncurses/form/fld_def.c +++ /dev/null @@ -1,399 +0,0 @@ -/**************************************************************************** - * Copyright (c) 1998-2005,2007 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: fld_def.c,v 1.36 2007/10/13 19:29:58 tom Exp $") - -/* this can't be readonly */ -static FIELD default_field = -{ - 0, /* status */ - 0, /* rows */ - 0, /* cols */ - 0, /* frow */ - 0, /* fcol */ - 0, /* drows */ - 0, /* dcols */ - 0, /* maxgrow */ - 0, /* nrow */ - 0, /* nbuf */ - NO_JUSTIFICATION, /* just */ - 0, /* page */ - 0, /* index */ - (int)' ', /* pad */ - A_NORMAL, /* fore */ - A_NORMAL, /* back */ - ALL_FIELD_OPTS, /* opts */ - (FIELD *)0, /* snext */ - (FIELD *)0, /* sprev */ - (FIELD *)0, /* link */ - (FORM *)0, /* form */ - (FIELDTYPE *)0, /* type */ - (char *)0, /* arg */ - (FIELD_CELL *)0, /* buf */ - (char *)0 /* usrptr */ - NCURSES_FIELD_EXTENSION -}; - -NCURSES_EXPORT_VAR(FIELD *) -_nc_Default_Field = &default_field; - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : TypeArgument *_nc_Make_Argument( -| const FIELDTYPE *typ, -| va_list *ap, -| int *err ) -| -| Description : Create an argument structure for the specified type. -| Use the type-dependent argument list to construct -| it. -| -| Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an error counter is increased. -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(TypeArgument *) -_nc_Make_Argument(const FIELDTYPE *typ, va_list *ap, int *err) -{ - TypeArgument *res = (TypeArgument *)0; - TypeArgument *p; - - if (typ != 0 && (typ->status & _HAS_ARGS) != 0) - { - assert(err != 0 && ap != (va_list *)0); - if ((typ->status & _LINKED_TYPE) != 0) - { - p = typeMalloc(TypeArgument, 1); - - if (p != 0) - { - p->left = _nc_Make_Argument(typ->left, ap, err); - p->right = _nc_Make_Argument(typ->right, ap, err); - return p; - } - else - { - *err += 1; - } - } - else - { - assert(typ->makearg != (void *)0); - if (!(res = (TypeArgument *)typ->makearg(ap))) - { - *err += 1; - } - } - } - return res; -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : TypeArgument *_nc_Copy_Argument(const FIELDTYPE *typ, -| const TypeArgument *argp, -| int *err ) -| -| Description : Create a copy of an argument structure for the specified -| type. -| -| Return Values : Pointer to argument structure. Maybe NULL. -| In case of an error in *err an error counter is increased. -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(TypeArgument *) -_nc_Copy_Argument(const FIELDTYPE *typ, const TypeArgument *argp, int *err) -{ - TypeArgument *res = (TypeArgument *)0; - TypeArgument *p; - - if (typ != 0 && (typ->status & _HAS_ARGS) != 0) - { - assert(err != 0 && argp != 0); - if ((typ->status & _LINKED_TYPE) != 0) - { - p = typeMalloc(TypeArgument, 1); - - if (p != 0) - { - p->left = _nc_Copy_Argument(typ, argp->left, err); - p->right = _nc_Copy_Argument(typ, argp->right, err); - return p; - } - *err += 1; - } - else - { - if (typ->copyarg != (void *)0) - { - if (!(res = (TypeArgument *)(typ->copyarg((const void *)argp)))) - { - *err += 1; - } - } - else - { - res = (TypeArgument *)argp; - } - } - } - return res; -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : void _nc_Free_Argument(const FIELDTYPE *typ, -| TypeArgument * argp ) -| -| Description : Release memory associated with the argument structure -| for the given fieldtype. -| -| Return Values : - -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(void) -_nc_Free_Argument(const FIELDTYPE *typ, TypeArgument *argp) -{ - if (typ != 0 && (typ->status & _HAS_ARGS) != 0) - { - if ((typ->status & _LINKED_TYPE) != 0) - { - assert(argp != 0); - _nc_Free_Argument(typ->left, argp->left); - _nc_Free_Argument(typ->right, argp->right); - free(argp); - } - else - { - if (typ->freearg != (void *)0) - { - typ->freearg((void *)argp); - } - } - } -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : bool _nc_Copy_Type( FIELD *dst, FIELD const *src ) -| -| Description : Copy argument structure of field src to field dst -| -| Return Values : TRUE - copy worked -| FALSE - error occurred -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(bool) -_nc_Copy_Type(FIELD *dst, FIELD const *src) -{ - int err = 0; - - assert(dst != 0 && src != 0); - - dst->type = src->type; - dst->arg = (void *)_nc_Copy_Argument(src->type, (TypeArgument *)(src->arg), &err); - - if (err != 0) - { - _nc_Free_Argument(dst->type, (TypeArgument *)(dst->arg)); - dst->type = (FIELDTYPE *)0; - dst->arg = (void *)0; - return FALSE; - } - else - { - if (dst->type != 0) - { - dst->type->ref++; - } - return TRUE; - } -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : void _nc_Free_Type( FIELD *field ) -| -| Description : Release Argument structure for this field -| -| Return Values : - -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(void) -_nc_Free_Type(FIELD *field) -{ - assert(field != 0); - if (field->type != 0) - { - field->type->ref--; - } - _nc_Free_Argument(field->type, (TypeArgument *)(field->arg)); -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : FIELD *new_field( int rows, int cols, -| int frow, int fcol, -| int nrow, int nbuf ) -| -| Description : Create a new field with this many 'rows' and 'cols', -| starting at 'frow/fcol' in the subwindow of the form. -| Allocate 'nrow' off-screen rows and 'nbuf' additional -| buffers. If an error occurs, errno is set to -| -| E_BAD_ARGUMENT - invalid argument -| E_SYSTEM_ERROR - system error -| -| Return Values : Pointer to the new field or NULL if failure. -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(FIELD *) -new_field(int rows, int cols, int frow, int fcol, int nrow, int nbuf) -{ - static const FIELD_CELL blank = BLANK; - static const FIELD_CELL zeros = ZEROS; - - FIELD *New_Field = (FIELD *)0; - int err = E_BAD_ARGUMENT; - - T((T_CALLED("new_field(%d,%d,%d,%d,%d,%d)"), rows, cols, frow, fcol, nrow, nbuf)); - if (rows > 0 && - cols > 0 && - frow >= 0 && - fcol >= 0 && - nrow >= 0 && - nbuf >= 0 && - ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */ - (New_Field = typeMalloc(FIELD, 1)) != 0) - { - T((T_CREATE("field %p"), New_Field)); - *New_Field = default_field; - New_Field->rows = rows; - New_Field->cols = cols; - New_Field->drows = rows + nrow; - New_Field->dcols = cols; - New_Field->frow = frow; - New_Field->fcol = fcol; - New_Field->nrow = nrow; - New_Field->nbuf = nbuf; - New_Field->link = New_Field; - -#if USE_WIDEC_SUPPORT - New_Field->working = newpad(1, Buffer_Length(New_Field) + 1); - New_Field->expanded = typeCalloc(char *, 1 + (unsigned)nbuf); -#endif - - if (_nc_Copy_Type(New_Field, &default_field)) - { - size_t len; - - len = Total_Buffer_Size(New_Field); - if ((New_Field->buf = (FIELD_CELL *)malloc(len))) - { - /* Prefill buffers with blanks and insert terminating zeroes - between buffers */ - int i, j; - int cells = Buffer_Length(New_Field); - - for (i = 0; i <= New_Field->nbuf; i++) - { - FIELD_CELL *buffer = &(New_Field->buf[(cells + 1) * i]); - - for (j = 0; j < cells; ++j) - { - buffer[j] = blank; - } - buffer[j] = zeros; - } - returnField(New_Field); - } - } - } - - if (New_Field) - free_field(New_Field); - - SET_ERROR(err); - returnField((FIELD *)0); -} - -/*--------------------------------------------------------------------------- -| Facility : libnform -| Function : int free_field( FIELD *field ) -| -| Description : Frees the storage allocated for the field. -| -| Return Values : E_OK - success -| E_BAD_ARGUMENT - invalid field pointer -| E_CONNECTED - field is connected -+--------------------------------------------------------------------------*/ -NCURSES_EXPORT(int) -free_field(FIELD *field) -{ - T((T_CALLED("free_field(%p)"), field)); - if (!field) - { - RETURN(E_BAD_ARGUMENT); - } - else if (field->form != 0) - { - RETURN(E_CONNECTED); - } - else if (field == field->link) - { - if (field->buf != 0) - free(field->buf); - } - else - { - FIELD *f; - - for (f = field; f->link != field; f = f->link) - { - } - f->link = field->link; - } - _nc_Free_Type(field); -#if USE_WIDEC_SUPPORT - if (field->expanded != 0) - { - int n; - - for (n = 0; n <= field->nbuf; ++n) - { - FreeIfNeeded(field->expanded[n]); - } - free(field->expanded); - (void)delwin(field->working); - } -#endif - free(field); - RETURN(E_OK); -} - -/* fld_def.c ends here */ |