cosmopolitan/tool/viz/lib/formatstringtable.c

61 lines
3.0 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ 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; version 2 of the License. │
│ │
│ 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, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/safemacros.internal.h"
#include "libc/unicode/unicode.h"
#include "tool/viz/lib/formatstringtable.h"
void *FreeStringTableCells(long yn, long xn, char *T[yn][xn]) {
long y, x;
for (y = 0; y < yn; ++y) {
for (x = 0; x < xn; ++x) {
free_s(&T[y][x]);
}
}
return T;
}
static unsigned GetBiggestCellWidth(long yn, long xn,
const char *const T[yn][xn]) {
long w, y, x;
for (w = y = 0; y < yn; ++y) {
for (x = 0; x < xn; ++x) {
w = max(w, strwidth(T[y][x]));
}
}
return w;
}
void *FormatStringTable(long yn, long xn, const char *const T[yn][xn],
int emit(), void *a, const char *startrow,
const char *comma, const char *endrow) {
long w, y, x, i, n;
w = GetBiggestCellWidth(yn, xn, T);
for (y = 0; y < yn; ++y) {
emit(startrow, a);
for (x = 0; x < xn; ++x) {
if (x) emit(comma, a);
for (n = w - strwidth(T[y][x]), i = 0; i < n; ++i) emit(" ", a);
emit(T[y][x], a);
}
emit(endrow, a);
}
return (/* unconst */ void *)T;
}