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/* -*-c-*- */
/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see: <http://www.gnu.org/licenses/>
*/
/* ---------------------------- included header files ---------------------- */
#include "config.h"
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include "charmap.h"
#include "wcontext.h"
#include "safemalloc.h"
/* ---------------------------- local definitions -------------------------- */
/* ---------------------------- local macros ------------------------------- */
/* ---------------------------- imports ------------------------------------ */
/* ---------------------------- included code files ------------------------ */
/* ---------------------------- local types -------------------------------- */
/* ---------------------------- forward declarations ----------------------- */
/* ---------------------------- local variables ---------------------------- */
/* ---------------------------- exported variables (globals) --------------- */
/* ---------------------------- local functions ---------------------------- */
/* ---------------------------- interface functions ------------------------ */
/* Turns a string context of context or modifier values into an array of
* true/false values (bits). */
int charmap_string_to_mask(
int *ret, const char *string, charmap_t *table, char *errstring)
{
int len = strlen(string);
int error = 0;
int i;
*ret = 0;
for (i = 0; i < len; ++i)
{
int found_match;
int j;
char c;
c = tolower(string[i]);
for (j = 0, found_match = 0; table[j].key != 0; j++)
{
if (table[j].key == c)
{
*ret |= table[j].value;
found_match = 1;
break;
}
}
if (!found_match)
{
fputs("charmap_string_to_mask: ", stderr);
if (errstring != NULL)
{
fputs(errstring, stderr);
}
fputc(' ', stderr);
fputc(c, stderr);
fputc('\n', stderr);
error = 1;
}
}
return error;
}
/* Reverse function of above. Returns zero if no matching mask is found in the
* table. */
char charmap_mask_to_char(int mask, charmap_t *table)
{
char c;
for (c = 0; table->key != 0; table++)
{
if (mask == table->value)
{
c = table->key;
break;
}
}
return c;
}
/* Used from "PrintInfo Bindings". */
char *charmap_table_to_string(int mask, charmap_t *table)
{
char *allmods;
int modmask;
char c[2];
c[1] = 0;
modmask = mask;
allmods = fxmalloc(sizeof(table->value) * 8 + 1);
*allmods = 0;
for (; table->key !=0; table++)
{
c[0] = toupper(table->key);
/* Don't explicitly match "A" for any context as doing so
* means we never see the individual bindings. Incremental
* matching here for AnyContext is disasterous.*/
if ((modmask & table->value) &&
(table->value != C_ALL))
{
/* incremental match */
strcat(allmods, c);
modmask &= ~table->value;
}
else if (mask == table->value)
{
/* exact match */
strcpy(allmods, c);
break;
}
}
return allmods;
}
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