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-rw-r--r--contrib/groff/src/libs/libgroff/errarg.cpp128
1 files changed, 128 insertions, 0 deletions
diff --git a/contrib/groff/src/libs/libgroff/errarg.cpp b/contrib/groff/src/libs/libgroff/errarg.cpp
new file mode 100644
index 0000000..2ddc0cc
--- /dev/null
+++ b/contrib/groff/src/libs/libgroff/errarg.cpp
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+// -*- C++ -*-
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2002
+ 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 2, 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 groff; see the file COPYING. If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+#include <stdio.h>
+#include "assert.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);
+ }
+ }
+ else
+ putc(c, stderr);
+ }
+}
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