1N/A/***********************************************************************
1N/A* *
1N/A* This software is part of the ast package *
1N/A* Copyright (c) 1985-2011 AT&T Intellectual Property *
1N/A* and is licensed under the *
1N/A* Common Public License, Version 1.0 *
1N/A* by AT&T Intellectual Property *
1N/A* *
1N/A* A copy of the License is available at *
1N/A* http://www.opensource.org/licenses/cpl1.0.txt *
1N/A* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
1N/A* *
1N/A* Information and Software Systems Research *
1N/A* AT&T Research *
1N/A* Florham Park NJ *
1N/A* *
1N/A* Glenn Fowler <gsf@research.att.com> *
1N/A* David Korn <dgk@research.att.com> *
1N/A* Phong Vo <kpv@research.att.com> *
1N/A* *
1N/A***********************************************************************/
1N/A#pragma prototyped
1N/A/*
1N/A * Glenn Fowler
1N/A * AT&T Research
1N/A *
1N/A * escape optget() special chars in s and write to sp
1N/A * esc == '?' or ':' also escaped
1N/A */
1N/A
1N/A#include <optlib.h>
1N/A#include <ctype.h>
1N/A
1N/Aint
1N/Aoptesc(Sfio_t* sp, register const char* s, int esc)
1N/A{
1N/A register const char* m;
1N/A register int c;
1N/A
1N/A if (*s == '[' && *(s + 1) == '+' && *(s + 2) == '?')
1N/A {
1N/A c = strlen(s);
1N/A if (s[c - 1] == ']')
1N/A {
1N/A sfprintf(sp, "%-.*s", c - 4, s + 3);
1N/A return 0;
1N/A }
1N/A }
1N/A if (esc != '?' && esc != ':')
1N/A esc = 0;
1N/A while (c = *s++)
1N/A {
1N/A if (isalnum(c))
1N/A {
1N/A for (m = s - 1; isalnum(*s); s++);
1N/A if (isalpha(c) && *s == '(' && isdigit(*(s + 1)) && *(s + 2) == ')')
1N/A {
1N/A sfputc(sp, '\b');
1N/A sfwrite(sp, m, s - m);
1N/A sfputc(sp, '\b');
1N/A sfwrite(sp, s, 3);
1N/A s += 3;
1N/A }
1N/A else
1N/A sfwrite(sp, m, s - m);
1N/A }
1N/A else if (c == '-' && *s == '-' || c == '<')
1N/A {
1N/A m = s - 1;
1N/A if (c == '-')
1N/A s++;
1N/A else if (*s == '/')
1N/A s++;
1N/A while (isalnum(*s))
1N/A s++;
1N/A if (c == '<' && *s == '>' || isspace(*s) || *s == 0 || *s == '=' || *s == ':' || *s == ';' || *s == '.' || *s == ',')
1N/A {
1N/A sfputc(sp, '\b');
1N/A sfwrite(sp, m, s - m);
1N/A sfputc(sp, '\b');
1N/A }
1N/A else
1N/A sfwrite(sp, m, s - m);
1N/A }
1N/A else
1N/A {
1N/A if (c == ']' || c == esc)
1N/A sfputc(sp, c);
1N/A sfputc(sp, c);
1N/A }
1N/A }
1N/A return 0;
1N/A}