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Diffstat (limited to 'contrib/groff/src/libs/libgroff/string.cc')
-rw-r--r--contrib/groff/src/libs/libgroff/string.cc341
1 files changed, 0 insertions, 341 deletions
diff --git a/contrib/groff/src/libs/libgroff/string.cc b/contrib/groff/src/libs/libgroff/string.cc
deleted file mode 100644
index 2ef547e4781fa..0000000000000
--- a/contrib/groff/src/libs/libgroff/string.cc
+++ /dev/null
@@ -1,341 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992, 2001, 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 "lib.h"
-
-#include "stringclass.h"
-
-static char *salloc(int len, int *sizep);
-static void sfree(char *ptr, int size);
-static char *sfree_alloc(char *ptr, int size, int len, int *sizep);
-static char *srealloc(char *ptr, int size, int oldlen, int newlen, int *sizep);
-
-static char *salloc(int len, int *sizep)
-{
- if (len == 0) {
- *sizep = 0;
- return 0;
- }
- else
- return new char[*sizep = len*2];
-}
-
-static void sfree(char *ptr, int)
-{
- a_delete ptr;
-}
-
-static char *sfree_alloc(char *ptr, int oldsz, int len, int *sizep)
-{
- if (oldsz >= len) {
- *sizep = oldsz;
- return ptr;
- }
- a_delete ptr;
- if (len == 0) {
- *sizep = 0;
- return 0;
- }
- else
- return new char[*sizep = len*2];
-}
-
-static char *srealloc(char *ptr, int oldsz, int oldlen, int newlen, int *sizep)
-{
- if (oldsz >= newlen) {
- *sizep = oldsz;
- return ptr;
- }
- if (newlen == 0) {
- a_delete ptr;
- *sizep = 0;
- return 0;
- }
- else {
- char *p = new char[*sizep = newlen*2];
- if (oldlen < newlen && oldlen != 0)
- memcpy(p, ptr, oldlen);
- a_delete ptr;
- return p;
- }
-}
-
-string::string() : ptr(0), len(0), sz(0)
-{
-}
-
-string::string(const char *p, int n) : len(n)
-{
- assert(n >= 0);
- ptr = salloc(n, &sz);
- if (n != 0)
- memcpy(ptr, p, n);
-}
-
-string::string(const char *p)
-{
- if (p == 0) {
- len = 0;
- ptr = 0;
- sz = 0;
- }
- else {
- len = strlen(p);
- ptr = salloc(len, &sz);
- memcpy(ptr, p, len);
- }
-}
-
-string::string(char c) : len(1)
-{
- ptr = salloc(1, &sz);
- *ptr = c;
-}
-
-string::string(const string &s) : len(s.len)
-{
- ptr = salloc(len, &sz);
- if (len != 0)
- memcpy(ptr, s.ptr, len);
-}
-
-string::~string()
-{
- sfree(ptr, sz);
-}
-
-string &string::operator=(const string &s)
-{
- ptr = sfree_alloc(ptr, sz, s.len, &sz);
- len = s.len;
- if (len != 0)
- memcpy(ptr, s.ptr, len);
- return *this;
-}
-
-string &string::operator=(const char *p)
-{
- if (p == 0) {
- sfree(ptr, len);
- len = 0;
- ptr = 0;
- sz = 0;
- }
- else {
- int slen = strlen(p);
- ptr = sfree_alloc(ptr, sz, slen, &sz);
- len = slen;
- memcpy(ptr, p, len);
- }
- return *this;
-}
-
-string &string::operator=(char c)
-{
- ptr = sfree_alloc(ptr, sz, 1, &sz);
- len = 1;
- *ptr = c;
- return *this;
-}
-
-void string::move(string &s)
-{
- sfree(ptr, sz);
- ptr = s.ptr;
- len = s.len;
- sz = s.sz;
- s.ptr = 0;
- s.len = 0;
- s.sz = 0;
-}
-
-void string::grow1()
-{
- ptr = srealloc(ptr, sz, len, len + 1, &sz);
-}
-
-string &string::operator+=(const char *p)
-{
- if (p != 0) {
- int n = strlen(p);
- int newlen = len + n;
- if (newlen > sz)
- ptr = srealloc(ptr, sz, len, newlen, &sz);
- memcpy(ptr + len, p, n);
- len = newlen;
- }
- return *this;
-}
-
-string &string::operator+=(const string &s)
-{
- if (s.len != 0) {
- int newlen = len + s.len;
- if (newlen > sz)
- ptr = srealloc(ptr, sz, len, newlen, &sz);
- memcpy(ptr + len, s.ptr, s.len);
- len = newlen;
- }
- return *this;
-}
-
-void string::append(const char *p, int n)
-{
- if (n > 0) {
- int newlen = len + n;
- if (newlen > sz)
- ptr = srealloc(ptr, sz, len, newlen, &sz);
- memcpy(ptr + len, p, n);
- len = newlen;
- }
-}
-
-string::string(const char *s1, int n1, const char *s2, int n2)
-{
- assert(n1 >= 0 && n2 >= 0);
- len = n1 + n2;
- if (len == 0) {
- sz = 0;
- ptr = 0;
- }
- else {
- ptr = salloc(len, &sz);
- if (n1 == 0)
- memcpy(ptr, s2, n2);
- else {
- memcpy(ptr, s1, n1);
- if (n2 != 0)
- memcpy(ptr + n1, s2, n2);
- }
- }
-}
-
-int operator<=(const string &s1, const string &s2)
-{
- return (s1.len <= s2.len
- ? s1.len == 0 || memcmp(s1.ptr, s2.ptr, s1.len) <= 0
- : s2.len != 0 && memcmp(s1.ptr, s2.ptr, s2.len) < 0);
-}
-
-int operator<(const string &s1, const string &s2)
-{
- return (s1.len < s2.len
- ? s1.len == 0 || memcmp(s1.ptr, s2.ptr, s1.len) <= 0
- : s2.len != 0 && memcmp(s1.ptr, s2.ptr, s2.len) < 0);
-}
-
-int operator>=(const string &s1, const string &s2)
-{
- return (s1.len >= s2.len
- ? s2.len == 0 || memcmp(s1.ptr, s2.ptr, s2.len) >= 0
- : s1.len != 0 && memcmp(s1.ptr, s2.ptr, s1.len) > 0);
-}
-
-int operator>(const string &s1, const string &s2)
-{
- return (s1.len > s2.len
- ? s2.len == 0 || memcmp(s1.ptr, s2.ptr, s2.len) >= 0
- : s1.len != 0 && memcmp(s1.ptr, s2.ptr, s1.len) > 0);
-}
-
-void string::set_length(int i)
-{
- assert(i >= 0);
- if (i > sz)
- ptr = srealloc(ptr, sz, len, i, &sz);
- len = i;
-}
-
-void string::clear()
-{
- len = 0;
-}
-
-int string::search(char c) const
-{
- char *p = ptr ? (char *)memchr(ptr, c, len) : NULL;
- return p ? p - ptr : -1;
-}
-
-// we silently strip nuls
-
-char *string::extract() const
-{
- char *p = ptr;
- int n = len;
- int nnuls = 0;
- int i;
- for (i = 0; i < n; i++)
- if (p[i] == '\0')
- nnuls++;
- char *q = new char[n + 1 - nnuls];
- char *r = q;
- for (i = 0; i < n; i++)
- if (p[i] != '\0')
- *r++ = p[i];
- *r = '\0';
- return q;
-}
-
-void string::remove_spaces()
-{
- int l = len - 1;
- while (l >= 0 && ptr[l] == ' ')
- l--;
- char *p = ptr;
- if (l > 0)
- while (*p == ' ') {
- p++;
- l--;
- }
- if (len - 1 != l) {
- if (l >= 0) {
- len = l + 1;
- char *tmp = new char[len];
- memcpy(tmp, p, len);
- a_delete ptr;
- ptr = tmp;
- }
- else {
- len = 0;
- if (ptr) {
- a_delete ptr;
- ptr = 0;
- }
- }
- }
-}
-
-void put_string(const string &s, FILE *fp)
-{
- int len = s.length();
- const char *ptr = s.contents();
- for (int i = 0; i < len; i++)
- putc(ptr[i], fp);
-}
-
-string as_string(int i)
-{
- static char buf[INT_DIGITS + 2];
- sprintf(buf, "%d", i);
- return string(buf);
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-03 00:06:18 +0000