zmidimap/src/stringTools.cpp
2019-07-03 19:50:30 +02:00

718 lines
16 KiB
C++

#include "stringTools.hpp"
uint8_t hexStringToByte(std::string const& in)
{
if(in.size() == 2)
{
return hexDigitToNum(in[0])*16 + hexDigitToNum(in[1]);
}
if(in.size() == 1)
{
return hexDigitToNum(in[0]);
}
else
return 0;
}
int8_t hexDigitToNum(char car)
{
if(isNum(car))
return car - '0';
else if(car>='a' && car<='f')
return car - 'a' + 10;
else if(car>='A' && car<='F')
return car - 'A' + 10;
else
return -1;
}
std::string byteToHexString(uint8_t const& byte)
{
std::string ret;
ret += toHexDigit(byte/16);
ret += toHexDigit(byte%16);
return ret;
}
char toHexDigit(uint8_t const& num)
{
if(num>=0 && num<=9)
{
return '0' + num;
}
else if(num < 16)
{
return 'A' + num - 10;
}
else
return 0;
}
std::string repeatString(std::string const& a, unsigned int n)
{
std::string ret;
while(n>0)
{
ret += a;
n--;
}
return ret;
}
std::string repeatChar(char a, unsigned int n)
{
std::string ret;
while(n>0)
{
ret.push_back(a);
n--;
}
return ret;
}
bool isAlpha(char a)
{
return (a>='a' && a<='z') || (a>='A' && a<='Z');
}
bool isNum(char a)
{
return (a>='0' && a<='9');
}
bool isHexdec(char a)
{
return isNum(a) || (a>='a' && a<='f') || (a>='A' && a<='F');
}
bool equalNoCase(char a, char b)
{
if(a==b)
return true;
if(!isAlpha(a) || !isAlpha(b))
return false;
return (a-b == 'a' - 'A') || (a-b == 'A' - 'a');
}
bool equalNoCase(std::string const& st1, std::string const& st2)
{
if(st1.size()!=st2.size())
return false;
for(unsigned int i=0; i<st1.size(); i++)
{
if(!equalNoCase(st1[i],st2[i]))
return false;
}
return true;
}
bool hasCommonChar(std::string const& str1, std::string const& str2)
{
if(str1.size() < str2.size())
{
for(std::string::const_iterator it = str1.begin(); it!= str1.end(); it++)
if(str2.find(*it))
return true;
}
else
for(std::string::const_iterator it = str2.begin(); it!= str2.end(); it++)
if(str1.find(*it))
return true;
return false;
}
std::string fuse(std::vector<std::string> const& vec, int first, int last, char separator)
{
if(last<0 || last >= (int) vec.size())
last=vec.size()-1;
if(first<0)
first=0;
std::string ret;
if(first <= last)
{
for(int i=first; i<=last-1; i++)
{
ret+=vec[i];
if(separator != 0)
ret+=separator;
}
ret += vec[last];
}
return ret;
}
int findInString(std::string const& in, char const find)
{
for(unsigned int i=0; i<in.size(); i++)
{
if(in[i]==find)
return i;
}
return -1;
}
unsigned int charCount(std::string const& in, char const find)
{
return std::count(in.begin(), in.end(), find);
}
bool isRead(char in)
{
bool out=false;
if(in>=33 && in<=126)
out=true;
return out;
}
std::string decapsulate(std::string const& in)
{
unsigned int i=0,j;
while(i<in.size() && !isRead(in[i]))
i++;
j=i;
if(i<in.size() && in[i]=='\"')
{
i++;
j++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
else if(i<in.size() && in[i]=='[')
{
unsigned int counter=0;
i++;
j++;
while(i<in.size() && !(in[i]==']' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='[')
counter++;
if(in[i]==']')
counter--;
i++;
}
}
else if(i<in.size() && in[i]=='{')
{
unsigned int counter=0;
i++;
j++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='{')
counter++;
if(in[i]=='}')
counter--;
i++;
}
}
else if(i<in.size() && in[i]=='(')
{
unsigned int counter=0;
i++;
j++;
while(i<in.size() && !(in[i]==')' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='(')
counter++;
if(in[i]==')')
counter--;
i++;
}
}
else if(i<in.size() && in[i]=='<')
{
unsigned int counter=0;
i++;
j++;
while(i<in.size() && !(in[i]=='>' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='<')
counter++;
if(in[i]=='>')
counter--;
i++;
}
}
else
{
i=in.size()-1;
while(i<in.size() && i>0 && !isRead(in[i]))
{
i--;
}
i++;
}
return in.substr(j,i-j);
}
std::string ridUnread(std::string const& in)
{
int i=0,j=in.size()-1;
while( ((unsigned int) i)<in.size() && !isRead(in[i]))
i++;
while(j>=0 && !isRead(in[j]))
j--;
if(i<=j)
return in.substr(i, j-i+1);
else
return "";
}
std::string readInString(std::string const& in, std::string const& name, unsigned int occurence)
{
bool found=false;
std::string out="";
unsigned int i=0,j=0,reading=0;
while(i<in.size() && !found)
{
if(!isRead(in[i])) /*Lire jusqu'à un caractère lu (ingorer les espaces etc...)*/
i++;
else if(i<in.size()+name.size()+1 && (in.substr(i,name.size()+1)==name+"=" || (in.substr(i,name.size()+1)==name+":") ) ) /*La valeur qu'on veut*/
{
if(occurence==reading) /*Si c'est l'occurence que l'on veut*/
{
unsigned int counter=0;
i+=name.size()+1;
j=i;
if(in[i]=='{') /*Valeur encapsulée*/
{
i++;
j++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
else if(in[i]=='{')
counter++;
else if(in[i]=='}')
counter--;
i++;
}
}
else if(in[i]=='\"')
{
i++;
j++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
else /*Valeur non encapsulée: jusqu'à \n*/
{
i++;
while(i<in.size() && in[i]!='\n')
i++;
}
found=true;
out=in.substr(j,i-j);
}
else /*On veut une autre occurence: passer cette valeur là*/
{
reading++;
i+=name.size()+1;
unsigned int counter=0;
if(i<in.size() && in[i]=='{') /*Encapsulée*/
{
i++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='{')
counter++;
if(in[i]=='}')
counter--;
i++;
}
}
else if(in[i]=='\"')
{
i++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
else /*Jusqu'à \n*/
while(i<in.size() && in[i]!='\n')
i++;
}
}
else /*Pas la valeur qu'on veut*/
{
while(i<in.size() && in[i]!='=' && in[i]!='\n' && in[i]!=' ' && in[i]!='\t' && in[i]!='\r')
i++;
if(i<in.size() && in[i]=='=')
i++;
if(i<in.size() && in[i]=='{')
{
unsigned int counter=0;
i++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='{')
counter++;
if(in[i]=='}')
counter--;
i++;
}
}
else if(i<in.size() && in[i]=='\"')
{
i++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
i++;
}
}
return out;
}
std::pair<std::string,std::string> readValue(std::string const& in, unsigned int occurence, int* rank)
{
std::string name="";
unsigned int i=0,j=0,reading=0;
while(i<in.size())
{
while(!isRead(in[i])) //read till read char
i++;
if(i>=in.size())
{
if(rank != nullptr)
*rank=-1;
return std::make_pair("","");
}
if(i+1 < in.size() && in[i]=='/' && in[i+1]=='/') //ignore // comment
{
i+=2;
while(i<in.size() && in[i] !='\n' )
i++;
i++;
while(!isRead(in[i]))
i++;
}
while(in[i]!='=' && in[i]!=':') //read name
{
name += in[i];
i++;
}
i++;
if(occurence==reading) //this is the correct occurence
{
unsigned int counter=0;
j=i;
if(in[i]=='{') //encapsulated
{
i++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
else if(in[i]=='\"') //skip quotes
{
i++;
while(i<in.size() && in[i]!='\"') i++;
i++;
}
else if(in[i]=='{')
counter++;
else if(in[i]=='}')
counter--;
i++;
}
i++;
if(rank!=nullptr)
*rank=i;
return std::make_pair(name, in.substr(j,i-j));
}
else if(in[i]=='[') //encapsulated
{
i++;
while(i<in.size() && !(in[i]==']' && counter==0))
{
if(in[i]=='\\')
i++;
else if(in[i]=='\"') //skip quotes
{
i++;
while(i<in.size() && in[i]!='\"') i++;
i++;
}
else if(in[i]=='[')
counter++;
else if(in[i]==']')
counter--;
i++;
}
i++;
if(rank!=nullptr)
*rank=i;
return std::make_pair(name, in.substr(j,i-j));
}
else if(in[i]=='\"')
{
i++;
j++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
if(rank!=nullptr)
*rank=i+1;
std::string ret;
ret += '\"';
ret += in.substr(j,i-j);
ret += '\"';
return std::make_pair(name, ret);
}
else /*Valeur non encapsulée: jusqu'à \n*/
{
i++;
while(i<in.size() && in[i]!='\n')
i++;
if(rank!=nullptr)
*rank=i;
if(i>in.size())
i=in.size();
if(j>in.size())
j=in.size();
return std::make_pair(name, in.substr(j,i-j));
}
}
else /*On veut une autre occurence: passer cette valeur là*/
{
reading++;
i+=name.size()+1;
unsigned int counter=0;
if(i<in.size() && in[i]=='{') /*Encapsulée*/
{
i++;
while(i<in.size() && !(in[i]=='}' && counter==0))
{
if(in[i]=='\\')
i++;
if(in[i]=='\"') //quote skip
{
i++;
while(i<in.size() && in[i]!='\"') i++;
}
if(in[i]=='{')
counter++;
if(in[i]=='}')
counter--;
i++;
}
}
else if(in[i]=='\"') //quote
{
i++;
while(i<in.size() && in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
else /*Jusqu'à \n*/
while(i<in.size() && in[i]!='\n')
i++;
}
}
if(rank!=nullptr)
*rank=-1;
return std::make_pair("","");
}
std::vector<std::string> readList(std::string const& in)
{
unsigned int i=0,j=0,counter=0;
std::vector<std::string> out;
while(i<in.size() && in[i]!='[')
i++;
if(in[i]=='[')
{
i++;
while(i<in.size() && in[i]!=']' && counter==0)
{
j=i;
while(i<in.size() && !(in[i]==',' && counter==0) && !(in[i]==']' && counter==0) )
{
if(i+1 < in.size() && in[i]=='/' && in [i+1]=='/') //ignore // comments
{
i+=2;
while(i<in.size() && in[i] !='\n' )
i++;
i++;
j=i;
}
if(in[i]=='\\')
i++;
else if(in[i]=='{') // start of chunk
{
i++;
unsigned int counter2=0;
while( i<in.size() && (in[i]!='}' || counter2!=0) )
{
if(in[i]=='\\')
i++;
else if(in[i]=='{')
counter2++;
else if(in[i]=='}')
counter2--;
i++;
}
}
else if(in[i]=='\"') //quote value
{
i++;
while(in[i]!='\"')
{
if(in[i]=='\\')
i++;
i++;
}
}
else
{
if(i<in.size() && in[i]=='[')
counter++;
if(i<in.size() && in[i]==']')
counter--;
}
i++;
}
if((in[i]==',' || in[i]==']') && counter==0)
out.push_back(ridUnread(in.substr(j,i-j)));
else
out.push_back(ridUnread(in.substr(j,i-j+1)));
if(in[i]==',')
i++;
}
}
if ( out.size() == 1 && out[0]=="" )
return std::vector<std::string>();
return out;
}
std::vector<std::string> splitString(std::string const& in, char const delim, char encapsulator, char decapsulator)
{
std::vector<std::string> out;
if(delim!='\\' && delim!=encapsulator && delim!=decapsulator)
{
if(decapsulator==0)
decapsulator=encapsulator;
unsigned int i=0;
while(i<in.size())
{
std::string t="";
while(i<in.size() && in[i]!=delim)
{
if(i<in.size() && in[i]==encapsulator)
{
i++;
while(i<in.size() && in[i]!=decapsulator)
{
if(in[i]=='\\')
{
i++;
t.push_back('\\');
t.push_back(in[i]);
i++;
}
else
{
t.push_back(in[i]);
i++;
}
}
i++;
}
else if(in[i]=='\\')
{
i++;
if(i<in.size() && in[i]=='n')
{
t.push_back(10);
}
else
t.push_back(in[i]);
i++;
}
else
{
t.push_back(in[i]);
i++;
}
}
out.push_back(t);
i++;
}
}
return out;
}
int replaceChar(std::string& in, char const f,char const r)
{
int j=0;
for(unsigned int i=0;i<in.size();i++)
if(in[i]==f)
{
in[i]=r;
j++;
}
return j;
}
bool isIn(char const c, std::string const& str)
{
return str.find(c) != std::string::npos;
}
std::string encompact(std::string const& in, std::string const& chars, char const into)
{
std::string out;
unsigned int i=0,j=0;
while(i<in.size())
{
j=i;
while(isIn(in[i],chars))
i++;
if(j!=i)
{
out.push_back(into);
}
else
{
out.push_back(in[i]);
i++;
}
}
return out;
}