static const char *
str_8bit_fit_to_term (const char *text, int width, align_crt_t just_mode)
{
static char result[BUF_MEDIUM];
char *actual;
size_t remain;
int ident = 0;
size_t length;
size_t pos = 0;
length = strlen (text);
actual = result;
remain = sizeof (result);
if ((int) length <= width)
{
switch (HIDE_FIT (just_mode))
{
case J_CENTER_LEFT:
case J_CENTER:
ident = (width - length) / 2;
break;
case J_RIGHT:
ident = width - length;
break;
default:
break;
}
if ((int) remain <= ident)
goto finally;
memset (actual, ' ', ident);
actual += ident;
remain -= ident;
for (; pos < length && remain > 1; pos++, actual++, remain--)
actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
if (width - length - ident > 0)
{
if (remain <= width - length - ident)
goto finally;
memset (actual, ' ', width - length - ident);
actual += width - length - ident;
}
}
else if (IS_FIT (just_mode))
{
for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
if (remain <= 1)
goto finally;
actual[0] = '~';
actual++;
remain--;
pos += length - width + 1;
for (; pos < length && remain > 1; pos++, actual++, remain--)
actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
}
else
{
switch (HIDE_FIT (just_mode))
{
case J_CENTER:
ident = (length - width) / 2;
break;
case J_RIGHT:
ident = length - width;
break;
default:
break;
}
pos += ident;
for (; pos < (gsize) (ident + width) && remain > 1; pos++, actual++, remain--)
actual[0] = char_isprint (text[pos]) ? text[pos] : '.';
}
finally:
if (actual >= result + sizeof (result))
actual = result + sizeof (result) - 1;
actual[0] = '\0';
return result;
}
static const char *
str_ascii_fit_to_term (const char *text, int width, align_crt_t just_mode)
{
static char result[BUF_MEDIUM];
char *actual;
size_t remain;
int ident = 0;
size_t length;
size_t pos = 0;
length = strlen (text);
actual = result;
remain = sizeof (result);
if ((int) length <= width)
{
switch (HIDE_FIT (just_mode))
{
case J_CENTER_LEFT:
case J_CENTER:
ident = (width - length) / 2;
break;
case J_RIGHT:
ident = width - length;
break;
}
/* add space before text */
if ((int) remain <= ident)
goto finally;
memset (actual, ' ', ident);
actual += ident;
remain -= ident;
/* copy all characters */
for (; pos < (gsize) length && remain > 1; pos++, actual++, remain--)
{
actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
}
/* add space after text */
if (width - length - ident > 0)
{
if (remain <= width - length - ident)
goto finally;
memset (actual, ' ', width - length - ident);
actual += width - length - ident;
}
}
else if (IS_FIT (just_mode))
{
/* copy prefix of text, that is not wider than width / 2 */
for (; pos + 1 <= (gsize) width / 2 && remain > 1; actual++, pos++, remain--)
{
actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
}
if (remain <= 1)
goto finally;
actual[0] = '~';
actual++;
remain--;
pos += length - width + 1;
/* copy suffix of text */
for (; pos < length && remain > 1; pos++, actual++, remain--)
{
actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
}
}
else
{
switch (HIDE_FIT (just_mode))
{
case J_CENTER:
ident = (length - width) / 2;
break;
case J_RIGHT:
ident = length - width;
break;
}
/* copy substring text, substring start from ident and take width
* characters from text */
pos += ident;
for (; pos < (gsize) (ident + width) && remain > 1; pos++, actual++, remain--)
{
actual[0] = isascii ((unsigned char) text[pos]) ? text[pos] : '?';
actual[0] = g_ascii_isprint ((gchar) actual[0]) ? actual[0] : '.';
}
}
finally:
actual[0] = '\0';
return result;
}
static const char *
str_utf8_fit_to_term (const char *text, int width, align_crt_t just_mode)
{
static char result[BUF_MEDIUM * 6];
const struct term_form *pre_form;
struct utf8_tool tool;
pre_form = str_utf8_make_make_term_form (text, (size_t) (-1));
tool.cheked = pre_form->text;
tool.actual = result;
tool.remain = sizeof (result);
tool.compose = 0;
if (pre_form->width <= (gsize)width)
{
tool.ident = 0;
switch (HIDE_FIT (just_mode))
{
case J_CENTER_LEFT:
case J_CENTER:
tool.ident = (width - pre_form->width) / 2;
break;
case J_RIGHT:
tool.ident = width - pre_form->width;
break;
}
utf8_tool_insert_space (&tool, tool.ident);
utf8_tool_copy_chars_to_end (&tool);
utf8_tool_insert_space (&tool, width - pre_form->width - tool.ident);
}
else
{
if (IS_FIT (just_mode))
{
tool.ident = 0;
utf8_tool_copy_chars_to (&tool, width / 2);
utf8_tool_insert_char (&tool, '~');
tool.ident = 0;
utf8_tool_skip_chars_to (&tool, pre_form->width - width + 1);
utf8_tool_copy_chars_to_end (&tool);
utf8_tool_insert_space (&tool,
width - (pre_form->width - tool.ident +
1));
}
else
{
tool.ident = 0;
switch (HIDE_FIT (just_mode))
{
case J_CENTER:
tool.ident = (width - pre_form->width) / 2;
break;
case J_RIGHT:
tool.ident = width - pre_form->width;
break;
}
utf8_tool_skip_chars_to (&tool, 0);
utf8_tool_insert_space (&tool, tool.ident);
utf8_tool_copy_chars_to (&tool, width);
utf8_tool_insert_space (&tool, width - tool.ident);
}
}
tool.actual[0] = '\0';
if (tool.compose)
utf8_tool_compose (result, sizeof (result));
return result;
}
