mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-11-29 23:26:00 +00:00
538 lines
12 KiB
C++
538 lines
12 KiB
C++
// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef PDSLIB_STRING_H
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#define PDSLIB_STRING_H
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#include <string>
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class CSString: public std::string
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{
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public:
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CSString()
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{
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}
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CSString(const char *s)
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{
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*(std::string *)this=s;
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}
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CSString(const std::string &s)
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{
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*(std::string *)this=s;
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}
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CSString(char c)
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{
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*(std::string *)this=c;
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}
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CSString(int i,const char *fmt="%d")
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{
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char buf[1024];
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sprintf(buf,fmt,i);
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*this=buf;
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}
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CSString(unsigned u,const char *fmt="%u")
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{
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char buf[1024];
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sprintf(buf,fmt,u);
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*this=buf;
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}
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CSString(double d,const char *fmt="%f")
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{
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char buf[1024];
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sprintf(buf,fmt,d);
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*this=buf;
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}
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CSString(const char *s,const char *fmt)
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{
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char buf[1024];
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sprintf(buf,fmt,s);
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*this=buf;
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}
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CSString(const std::string &s,const char *fmt)
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{
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char buf[1024];
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sprintf(buf,fmt,s.c_str());
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*this=buf;
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}
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char operator*()
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{
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if (empty())
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return 0;
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return (*this)[0];
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}
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// return the n right hand most characters of a string
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CSString right(unsigned count) const
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{
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if (count>=size())
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return *this;
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return substr(size()-count);
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}
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// return the string minus the n right hand most characters of a string
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CSString rightCrop(unsigned count) const
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{
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if (count>=size())
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return CSString();
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return substr(0,size()-count);
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}
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// return the n left hand most characters of a string
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CSString left(unsigned count) const
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{
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return substr(0,count);
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}
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// return the string minus the n left hand most characters of a string
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CSString leftCrop(unsigned count) const
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{
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if (count>=size())
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return CSString();
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return substr(count);
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}
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// return sub string up to but not including first instance of given character
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CSString splitTo(char c,bool truncateThis=false)
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{
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unsigned i;
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CSString result;
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for (i=0;i<size() && (*this)[i]!=c;++i)
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result+=(*this)[i];
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// remove the result string from the input string if so desired
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if (truncateThis)
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{
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if (i<size()-1)
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(*this)=substr(i+1); // +1 to skip the separator character
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else
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clear();
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}
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return result;
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}
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// return sub string up to but not including first instance of given character
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CSString splitTo(const char *s,bool truncateThis=false)
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{
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unsigned i;
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CSString result;
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for (i=0;i<size();++i)
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{
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// perform a quick string compare
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int j;
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for (j=0;s[j]!=0 && s[j]==(&((*this)[i]))[j];++j)
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{
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}
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// if string compare matched then return result so far
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if (s[j]==0)
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{
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// remove the result string from the input string if so desired
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if (truncateThis)
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{
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if (i<size()-1)
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(*this)=substr(i+1); // +1 to skip the separator character
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else
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clear();
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}
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return result;
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}
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result+=(*this)[i];
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}
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// we didn't find the separator string so we're returning a copy of the whole string
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if (truncateThis)
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clear();
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return result;
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}
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// return sub string from character following first instance of given character on
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CSString splitFrom(char c) const
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{
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CSString result;
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std::string::const_iterator it;
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for (it=begin();it!=end() && *it!=c;++it)
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{}
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if (it!=end())
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{
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++it;
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for (;it!=end();++it)
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result+=*it;
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}
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return result;
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}
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// return sub string from character following first instance of given character on
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CSString splitFrom(const char *s) const
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{
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unsigned int i;
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CSString result;
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for (i=0;i<size();++i)
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{
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// perform a quick string compare
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unsigned int j;
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for (j=0;i+j<size() && s[j]!=0 && s[j]==(*this)[i+j];++j)
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{
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}
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// if string compare matched then build and return a result
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if (s[j]==0)
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{
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result=substr(i+j);
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return result;
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}
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}
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return result;
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}
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// behave like a s strtok() routine, returning the sun string extracted from (and removed from) *this
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CSString strtok(const char *separators)
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{
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unsigned int i;
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CSString result;
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// skip leading junk
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for (i=0;i<size();++i)
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{
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// look for the next character in the 'separator' character list supplied
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unsigned j;
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for (j=0;separators[j] && (*this)[i]!=separators[j];++j)
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{}
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// if not found then we're at end of leading junk
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if (!separators[j])
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break;
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}
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// copy out everything up to the next separator character
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for (;i<size();++i)
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{
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// look for the next character in the 'separator' character list supplied
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unsigned j;
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for (j=0;separators[j] && (*this)[i]!=separators[j];++j)
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{}
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// if not found then we're at end of leading junk
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if (separators[j])
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break;
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result+=(*this)[i];
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}
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// skip trailing junk
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for (;i<size();++i)
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{
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// look for the next character in the 'separator' character list supplied
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unsigned j;
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for (j=0;separators[j] && (*this)[i]!=separators[j];++j)
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{}
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// if not found then we're at end of leading junk
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if (!separators[j])
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break;
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}
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// delete the treated bit from this string
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(*this)=substr(i);
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return result;
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}
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// return first word (blank separated)
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CSString firstWord(bool truncateThis=false)
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{
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CSString result;
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unsigned i=0;
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// skip white space
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for (i=0;i<size() && isWhiteSpace((*this)[i]);++i)
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{}
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if ( ((*this)[i]>='A' && (*this)[i]<='Z') || ((*this)[i]>='a' && (*this)[i]<='z') ||
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((*this)[i]>='0' && (*this)[i]<='9') || (*this)[i]=='_')
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{
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// copy out an alpha-numeric string
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for (;i<(*this).size() &&
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( ((*this)[i]>='A' && (*this)[i]<='Z') || ((*this)[i]>='a' && (*this)[i]<='z') ||
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((*this)[i]>='0' && (*this)[i]<='9') || (*this)[i]=='_')
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;++i)
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result+=(*this)[i];
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}
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else
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{
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// just take the first character of the input
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result=(*this)[i];
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++i;
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}
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// remove the result string from the input string if so desired
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if (truncateThis)
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{
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if (i<size())
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(*this)=substr(i);
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else
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clear();
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}
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return result;
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}
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CSString firstWordConst() const
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{
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return const_cast<CSString *>(this)->firstWord();
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}
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// return sub string up to but not including first instance of given character
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CSString tailFromFirstWord() const
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{
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CSString hold=*this;
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hold.firstWord(true);
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return hold;
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}
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// count the number of words (or quote delimited sub-strings) in a string
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unsigned countWords() const
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{
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unsigned count=0;
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CSString hold=strip();
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while (!hold.empty())
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{
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hold=hold.tailFromFirstWord().strip();
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++count;
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}
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return count;
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}
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// count the number of words (or quote delimited sub-strings) in a string
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CSString word(unsigned idx) const
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{
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CSString hold=strip();
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for (unsigned count=0;count<idx;++count)
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hold=hold.tailFromFirstWord().strip();
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return hold.firstWord();
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}
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// return first word or quote-encompassed sub-string
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CSString firstWordOrWords(bool truncateThis=false)
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{
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CSString hold=strip();
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if (hold[0]!='\"')
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return firstWord(truncateThis);
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// the string is quote enclosed
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CSString result;
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unsigned i=1; // skip leading quote
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// copy from character following opening quote to char preceding closing quote (or end of string)
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while (i<hold.size() && hold[i]!='\"')
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{
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result+=hold[i];
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++i;
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}
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// remove the result string from the input string if so desired
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if (truncateThis)
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{
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if (i<size()-1)
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(*this)=substr(i+1); // +1 to skip the closing quote
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else
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clear();
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}
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return result;
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}
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CSString firstWordOrWordsConst() const
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{
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return const_cast<CSString *>(this)->firstWordOrWords();
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}
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// return sub string up to but not including first instance of given character
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CSString tailFromFirstWordOrWords() const
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{
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CSString hold=*this;
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hold.firstWordOrWords(true);
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return hold;
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}
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// count the number of words (or quote delimited sub-strings) in a string
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unsigned countWordOrWords() const
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{
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unsigned count=0;
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CSString hold=strip();
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while (!hold.empty())
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{
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hold=hold.tailFromFirstWordOrWords().strip();
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++count;
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}
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return count;
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}
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// count the number of words (or quote delimited sub-strings) in a string
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CSString wordOrWords(unsigned idx) const
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{
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CSString hold=strip();
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for (unsigned count=0;count<idx;++count)
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hold=hold.tailFromFirstWordOrWords().strip();
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return hold.firstWordOrWords();
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}
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// a handy utility routine for knowing if a character is a white space character or not
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static bool isWhiteSpace(char c) { return c==' ' || c=='\t' || c=='\n' || c=='\r' || c==26; }
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// return a copy of the string with leading and trainling spaces rmoved
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CSString strip() const
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{
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CSString result;
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int i,j;
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for (j=size()-1; j>=0 && isWhiteSpace((*this)[j]); --j) {}
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for (i=0; i<j && isWhiteSpace((*this)[i]); ++i) {}
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for (; i<=j; ++i)
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result+=(*this)[i];
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return result;
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}
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// making an upper case copy of a string
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CSString toUpper() const
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{
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CSString result;
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std::string::const_iterator it;
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for (it=begin();it!=end();++it)
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{
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char c=(*it);
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if (c>='a' && c<='z')
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c^=('a'^'A');
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result+=c;
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}
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return result;
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}
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// making a lower case copy of a string
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CSString toLower() const
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{
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CSString result;
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std::string::const_iterator it;
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for (it=begin();it!=end();++it)
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{
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char c=(*it);
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if (c>='A' && c<='Z')
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c^=('a'^'A');
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result+=c;
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}
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return result;
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}
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// replacing all occurences of one string with another
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CSString replace(const char *toFind,const char *replacement) const
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{
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// just bypass the problems that can cause a crash...
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if (toFind==NULL || *toFind==0)
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return *this;
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unsigned i,j;
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CSString result;
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for (i=0;i<size();)
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{
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// string compare toFind against (*this)+i ...
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for (j=0;toFind[j];++j)
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if ((*this)[i+j]!=toFind[j])
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break;
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// if strings were identical then j reffers to ASCIIZ terminator at end of 'toFind'
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if (toFind[j]==0)
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{
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if (replacement!=NULL)
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result+=replacement;
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i+=j;
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}
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else
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{
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result+=(*this)[i];
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++i;
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}
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}
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return result;
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}
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// find index at which a sub-string starts - if sub-string not found then returns size()
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unsigned find(const char *toFind,unsigned startLocation=0) const
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{
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// just bypass the problems that can cause a crash...
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if (toFind==NULL || *toFind==0 || startLocation>size())
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return size();
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unsigned i,j;
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for (i=startLocation;i<size();++i)
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{
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// string compare toFind against (*this)+i ...
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for (j=0;toFind[j];++j)
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if ((*this)[i+j]!=toFind[j])
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break;
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// if strings were identical then we're done
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if (toFind[j]==0)
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return i;
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}
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return i;
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}
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// return true if this contains given sub string
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bool contains(const char *toFind) const
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{
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return find(toFind)!=size();
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}
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// a couple of handy atoi routines...
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template <class C> bool atoi(C& result) const
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{
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result=::atoi(c_str());
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return (result!=0 || *this=="0");
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}
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unsigned atoi() const
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{
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return ::atoi(c_str());
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}
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// a couple of handy atof routines...
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template <class C> bool atof(C& result) const
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{
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result=::atof(c_str());
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return (result!=0 || *this=="0");
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}
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double atof() const
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{
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return ::atof(c_str());
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}
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// case insensitive string compare
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bool operator==(const std::string &other) const
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{
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return stricmp(c_str(),other.c_str())==0;
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}
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// case insesnsitive string compare
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bool operator!=(const std::string &other) const
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{
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return !(*this==other);
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}
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};
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#endif
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