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#include <string>
#include <iostream>
#include <sstream>
#include "functions.h"
std::string stoupper(const std::string &s)
{
std::string sl = s;
int l = sl.size();
for (int i=0; i<l; i++)
sl[i] = toupper(sl[i]);
return sl;
}
std::string stolower(const std::string &s)
{
std::string sl = s;
int l = sl.size();
for (int i=0; i<l; i++)
sl[i] = tolower(sl[i]);
return sl;
}
std::string firstchars(const std::string &s, const int n)
{
size_t l = s.length();
switch(l)
{
case 0:
return std::string("");
case 1:
return s.substr(0,1);
default:
return s.substr(0,2);
}
}
std::string remove_blanks(const std::string &s)
{
std::string sl = "";
size_t l = s.length();
for (size_t i=0; i<l; i++)
{
switch (s[i])
{
case ' ':
case '\t':
break;
default:
sl = sl + s[i];
}
}
return sl;
}
bool cleanfive(const std::string &s)
//
// returns 1, if columns 1-5 contain only [0-9 \t]
// else returns 0
//
{
int l = std::min((int)s.size(), 5);
for (int i=0; i<l; i++)
{
char c = s[i];
if (c == '\t')
return 1;
if (c == ' ' || (c >='0' && c <='9'))
continue;
return 0;
}
return 1;
}
bool isalnumplus(const char c)
//
// returns true if c is alfanum or in " \t_"
//
{
if (std::isalnum(c))
return 1;
else
switch (c)
{
case ' ':
case '\t':
case '_':
return 1;
}
return 0;
}
bool isfixedcmtp(const std::string &s)
{
//
// returns 1 if this is a fixed empty line or fixed comment line or preprocessor line
// or debug line ('d' or 'D' in column 1)
//
if (s == "" || trim(s) == "")
return 1;
char c = firstchar(s);
char cts = firstchar(trim(s));
return (cts == 0 || c == 'C' || c == 'c' || cts == '!' || c == '*' \
|| cts == '#' || c == 'd' || c == 'D' || firstchars(trim(s),2) == "??");
}
int num_leading_spaces(const std::string &s)
{
size_t p = s.find_first_not_of(' ');
if (p == std::string::npos)
return s.size();
return p;
}
char fixedmissingquote(const std::string &s)
{
//
// investigate if this line terminates a string
// returns ' ' if there is no unterminated string
// returns '"' if this is an unterminated string, a '"' is missing
// returns '\'' if this is an unterminated string, a '\'' is missing
//
bool instring = 0;
char q = ' ';
for(unsigned int i=0; i<s.size(); i++)
{
if (instring)
{
if (s[i] == q)
instring = 0;
}
else
{
switch(s[i])
{
case '"': case '\'':
instring = 1;
q = s[i];
}
}
}
if (instring)
return q;
return ' ';
}
std::string ltab2sp(const std::string &s)
{
//
// converts leading white space and white space after a statement label
// to spaces and removes trailing white space
// if line starts with 0-5 spaces or digits followed by a tab, followed
// by 1-9, this is counted as 5 spaces, it appears that many compilers
// assume that
// <tab>1 <some code>
// is a continuation statement, if the continuation character is 1-9
// If the character is not within 1-9, it is assumed that
// this character is the first of a statement, so in this case
// this is counted as 6 spaces
//
const std::string d1_9 = "123456789";
const std::string db0_9 = " 0123456789";
size_t p = s.substr(0,6).find_first_of('\t');
if (p == std::string::npos)
return rtrim(s); // no tab in first 6 columns
if (s.find_first_not_of(db0_9) == p) // all space or numeric before tab?
{
if (s.length() == p+1) // ' 100 T' ->' 100', ' T'-> ''
return rtrim(s.substr(0,p));
if (d1_9.find(s[p+1]) == std::string::npos) // ' 10 Tx' -> ' 10 x'
return rtrim(s.substr(0,p)+blanks(6-p)+s.substr(p+1));
return rtrim(s.substr(0,p)+blanks(5-p)+s.substr(p+1));// ' 10 T1x' -> ' 10 1x'
}
else
return rtrim(s);
}
std::string remove_trailing_comment(const std::string &s,const char prevquote)
{
//
// removes trailing comment, but only if not part of an
// unterminated string.
// e.g:
// 'print *, " Hi! and goodbye'
// becomes:
// 'print *, " Hi! and goodbye'
// but
// 'print *, " Hi! and goodbye" ! say goodbye'
// becomes
// 'print *, " Hi! and goodbye" '
//
std::string so = s;
bool instring = prevquote != ' ';
char q = prevquote;
for (unsigned int i=0; i<s.size(); i++)
{
if (instring)
{
if(so[i] == q)
instring = 0;
}
else
{
switch(so[i])
{
case '"': case '\'':
instring = 1;
q = so[i];
break;
case '!':
so.erase(i,std::string::npos);
return so;
}
}
}
return so;
} // end of remove_trailing_comment
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