os::String Format_Ruby::GetIndentString( const os::String &line, bool useTabs, uint tabSize )
{
if(line.size()==0)
return "";
uint white;
for(white=0;white<line.size();++white)
if(line[white]!=' ' && line[white]!='\t')
break;
//TODO: ignore trailing whitespace
if(line[line.size()-1]=='{' || line[line.size()-1]==':'){
os::String pad;
if(useTabs)
pad="\t";
else
pad.resize(tabSize, ' ');
return os::String(line.const_str().substr(0, white))+pad;
}else
return line.const_str().substr(0, white);
}
//TODO: this method is slightly wrong. Fix it
void Format_Ruby::FindWords( const os::String &line, os::String &format )
{
uint start=0, end;
while(start<line.size() && (format[start]!=F_DEFAULT || !canStartIdentifier(line[start])))
++start;
end=start+1;
while(end<line.size() && format[end]==F_DEFAULT && canContinueIdentifier(line[end]))
++end;
while(start<line.size()){
os::String tmp=line.const_str().substr(start, end-start);
int max=sizeof(keywords)/sizeof(keywords[0]);
int min=0;
int test=max/2;
//binary search
while(max-min>1){
if(!strcmp(keywords[test], tmp.c_str()))
break;
if(tmp<keywords[test])
max=test;
else
min=test;
test=(max+min)/2;
}
if(!strcmp(keywords[test], tmp.c_str())){
for(;start<end;++start)
format[start]=F_KEYWORD;
}
start=end+1;
while(start<line.size() && (format[start]!=F_DEFAULT || !canStartIdentifier(line[start])))
++start;
end=start+1;
while(end<line.size() && format[end]==F_DEFAULT && canContinueIdentifier(line[end]))
++end;
}
}