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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:44:05 +0000 |
commit | d318611dd6f23fcfedd50e9b9e24620b102ba96a (patch) | |
tree | 8b9eef82ca40fdd5a8deeabf07572074c236095d /src/libs/libgroff/errarg.cpp | |
parent | Initial commit. (diff) | |
download | groff-f22bf21391d2b916c7303c565592ae6e99efbb58.tar.xz groff-f22bf21391d2b916c7303c565592ae6e99efbb58.zip |
Adding upstream version 1.23.0.upstream/1.23.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/libgroff/errarg.cpp')
-rw-r--r-- | src/libs/libgroff/errarg.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/libs/libgroff/errarg.cpp b/src/libs/libgroff/errarg.cpp new file mode 100644 index 0000000..99fc0fa --- /dev/null +++ b/src/libs/libgroff/errarg.cpp @@ -0,0 +1,136 @@ +/* Copyright (C) 1989-2020 Free Software Foundation, Inc. + Written by James Clark (jjc@jclark.com) + +This file is part of groff. + +groff 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 3 of the License, or +(at your option) any later version. + +groff 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/>. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <assert.h> +#include <stdio.h> + +#include "errarg.h" + +errarg::errarg(const char *p) : type(STRING) +{ + s = p ? p : "(null)"; +} + +errarg::errarg() : type(EMPTY) +{ +} + +errarg::errarg(int nn) : type(INTEGER) +{ + n = nn; +} + +errarg::errarg(unsigned int uu) : type(UNSIGNED_INTEGER) +{ + u = uu; +} + +errarg::errarg(char cc) : type(CHAR) +{ + c = cc; +} + +errarg::errarg(unsigned char cc) : type(CHAR) +{ + c = cc; +} + +errarg::errarg(double dd) : type(DOUBLE) +{ + d = dd; +} + +int errarg::empty() const +{ + return type == EMPTY; +} + +extern "C" { + const char *i_to_a(int); + const char *ui_to_a(unsigned int); +} + +void errarg::print() const +{ + switch (type) { + case INTEGER: + fputs(i_to_a(n), stderr); + break; + case UNSIGNED_INTEGER: + fputs(ui_to_a(u), stderr); + break; + case CHAR: + putc(c, stderr); + break; + case STRING: + fputs(s, stderr); + break; + case DOUBLE: + fprintf(stderr, "%g", d); + break; + case EMPTY: + break; + } +} + +errarg empty_errarg; + +void errprint(const char *format, + const errarg &arg1, + const errarg &arg2, + const errarg &arg3) +{ + assert(format != 0); + char c; + while ((c = *format++) != '\0') { + if (c == '%') { + c = *format++; + switch(c) { + case '%': + fputc('%', stderr); + break; + case '1': + assert(!arg1.empty()); + arg1.print(); + break; + case '2': + assert(!arg2.empty()); + arg2.print(); + break; + case '3': + assert(!arg3.empty()); + arg3.print(); + break; + default: + assert(0 == "unsupported argument conversion (not in [%123])"); + } + } + else + putc(c, stderr); + } +} + +// Local Variables: +// fill-column: 72 +// mode: C++ +// End: +// vim: set cindent noexpandtab shiftwidth=2 textwidth=72: |