| // Copyright (C) 2001-2005 Open Source Telecom Corporation. |
| // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| // |
| // 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; either version 2 of the License, or |
| // (at your option) any later version. |
| // |
| // 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| // |
| // As a special exception, you may use this file as part of a free software |
| // library without restriction. Specifically, if other files instantiate |
| // templates or use macros or inline functions from this file, or you compile |
| // this file and link it with other files to produce an executable, this |
| // file does not by itself cause the resulting executable to be covered by |
| // the GNU General Public License. This exception does not however |
| // invalidate any other reasons why the executable file might be covered by |
| // the GNU General Public License. |
| // |
| // This exception applies only to the code released under the name GNU |
| // Common C++. If you copy code from other releases into a copy of GNU |
| // Common C++, as the General Public License permits, the exception does |
| // not apply to the code that you add in this way. To avoid misleading |
| // anyone as to the status of such modified files, you must delete |
| // this exception notice from them. |
| // |
| // If you write modifications of your own for GNU Common C++, it is your choice |
| // whether to permit this exception to apply to your modifications. |
| // If you do not wish that, delete this exception notice. |
| // |
| |
| #include <cc++/config.h> |
| #include <cc++/export.h> |
| #include <cc++/missing.h> |
| #include <cc++/strchar.h> |
| |
| #include <cstdio> |
| #include <cstdlib> |
| #include <cstring> |
| |
| #ifdef WIN32 |
| #include <malloc.h> |
| //#define alloca(x) _alloca(x) |
| #endif |
| |
| #ifdef CCXX_NAMESPACES |
| namespace ost { |
| using namespace std; |
| #endif |
| |
| char *find(const char *cs, char *str, size_t len) |
| { |
| unsigned pos = 0; |
| |
| if(!len) |
| len = strlen(str); |
| |
| while(pos < len) { |
| if(strchr(cs, str[pos])) |
| return str + pos; |
| ++pos; |
| } |
| if(!str[pos]) |
| return str + pos; |
| return NULL; |
| } |
| |
| char *rfind(const char *cs, char *str, size_t len) |
| { |
| if(!len) |
| len = strlen(str); |
| |
| while(len--) { |
| if(strchr(cs, str[len])) |
| return str + len; |
| } |
| return str; |
| } |
| |
| char *ifind(const char *cs, char *str, size_t len) |
| { |
| unsigned pos = 0; |
| |
| if(!len) |
| len = strlen(str); |
| |
| while(pos < len) { |
| if(!strchr(cs, str[pos])) |
| return str + pos; |
| ++pos; |
| } |
| if(!str[pos]) |
| return str + pos; |
| return NULL; |
| } |
| |
| char *strip(const char *chars, char *str, size_t len) |
| { |
| len = strtrim(chars, str, len); |
| |
| if(!len) |
| return str; |
| |
| return ifind(chars, str, len); |
| } |
| |
| size_t strtrim(const char *cs, char *str, size_t len) |
| { |
| if(!str) |
| return 0; |
| |
| if(!len) |
| len = strlen(str); |
| |
| if(!len) |
| return 0; |
| |
| while(len--) { |
| if(!strchr(cs, str[len])) |
| return ++len; |
| |
| str[len] = 0; |
| } |
| return 0; |
| } |
| |
| size_t strchop(const char *cs, char *str, size_t len) |
| { |
| unsigned pos = 0; |
| |
| if(!str) |
| return 0; |
| |
| if(!len) |
| len = strlen(str); |
| |
| if(!len) |
| return 0; |
| |
| while(pos < len) { |
| if(!strchr(cs, str[pos])) |
| break; |
| ++pos; |
| } |
| |
| if(pos == len) { |
| *str = 0; |
| return 0; |
| } |
| memmove(str, str + pos, len - pos + 1); |
| return len - pos; |
| } |
| |
| char *rsetField(char *dest, size_t size, const char *src, const char fill) |
| { |
| size_t len = 0; |
| |
| if(src) |
| len = strlen(src); |
| |
| if(len > size) |
| len = size; |
| |
| if(len) |
| memmove(dest + size - len, (void *)src, len); |
| |
| if(len < size && fill) |
| memset(dest, fill, size - len); |
| |
| return dest; |
| } |
| |
| char *lsetField(char *dest, size_t size, const char *src, const char fill) |
| { |
| size_t len = 0; |
| |
| if(src) |
| len = strlen(src); |
| |
| if(len > size) |
| len = size; |
| |
| if(len) |
| memmove(dest, src, len); |
| |
| if(len < size && fill) |
| memset(dest + len, fill, size - len); |
| |
| return dest; |
| } |
| |
| char *setUpper(char *string, size_t size) |
| { |
| char *ret = string; |
| |
| if(!size) |
| size = strlen(string); |
| |
| while(size && *string) { |
| *string = toupper(*string); |
| ++string; |
| --size; |
| } |
| |
| return ret; |
| } |
| |
| char *setLower(char *string, size_t size) |
| { |
| char *ret = string; |
| |
| if(!size) |
| size = strlen(string); |
| |
| while(size && *string) { |
| *string = tolower(*string); |
| ++string; |
| --size; |
| } |
| |
| return ret; |
| } |
| |
| char *setString(char *dest, size_t size, const char *src) |
| { |
| size_t len = strlen(src); |
| |
| if(size == 1) |
| *dest = 0; |
| |
| if(size < 2) |
| return dest; |
| |
| if(len >= size) |
| len = size - 1; |
| |
| if(!len) { |
| dest[0] = 0; |
| return dest; |
| } |
| |
| memcpy(dest, src, len); |
| dest[len] = 0; |
| return dest; |
| } |
| |
| char *addString(char *dest, size_t size, const char *src) |
| { |
| size_t len = strlen(dest); |
| |
| if(len < size) |
| setString(dest + len, size - len, src); |
| return dest; |
| } |
| |
| char *newString(const char *src, size_t size) |
| { |
| char *dest; |
| |
| if(!size) |
| size = strlen(src) + 1; |
| |
| dest = new char[size]; |
| return setString(dest, size, src); |
| } |
| |
| void delString(char *str) |
| { |
| delete[] str; |
| } |
| |
| #ifdef CCXX_NAMESPACES |
| } |
| #endif |