need files

Quote:

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Originally Posted by moshe2

i didnt really understand what did you program in the last massage was supposed to do... and where is the bug.. but nevermind, i got the concept i think....

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You can run it on your compiler and see. IFAIK, there is no bug.

Quote:

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Originally Posted by moshe2

instead of a[16], b,c,d,e........ i should write chartype[16] for exmp? to keep it organized?

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About that. And you shouldn't use chartype[16] as single array too, since it contains different things and you don't need to remember things like 'index 11 is reposible for this, and index 14 for that'. If you still use it this way, don't use numberic indices, instead define symbolic constants:

Code:

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const int LCOMMENT_ID = 11;
...
chartype[LCOMMENT_ID]++;

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Quote:

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Originally Posted by moshe2

and the enum ans switch are for the same purpose? just to keep it easy to view?

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Yes, just for that purpose. Switch makes it a bit faster though.

Quote:

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Originally Posted by moshe2

would it be better if it would just be shorter??

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No value in that. Bottleneck in programming is not typing, but thinking. If you type a bit more and save some time later on thinking about what that code means, you save total time and make it more meaningful.

i understand what your are saying but i think it is only segnificantly-important in real market-programms and not in little non-professional proggrams done by 15 year-olds.......
no?
anyway can u say in a few words what enum and switch do and how do i use them?

--moshe

Quote:

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Originally Posted by moshe2

i understand what your are saying but i think it is only segnificantly-important in real market-programms and not in little non-professional proggrams done by 15 year-olds.......
no?

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No. It's only a difference of degree. If you write some 1000 line programm, it's much simplier if you write it organized. If you write 10000 lines programm, it may become nightmare without proper principles. Anyway, there are about no reasons NOT TO write clean. And 15 years is not too much of a limit if you are determined.

maybe you could give me a list of these basic functions for me to search the web? im working now with a very short list of known functions and commands.. maybe u can direct me to such list elsewere?

anyway, can u please at-least describe the meannings of switch & enum?

moshe

Quote:

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Originally Posted by moshe2

maybe you could give me a list of these basic functions for me to search the web? im working now with a very short list of known functions and commands.. maybe u can direct me to such list elsewere?

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You should read some book to get integral picture.
http://cm.bell-labs.com/cm/cs/cbook/

Quote:

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Originally Posted by moshe2

anyway, can u please at-least describe the meannings of switch & enum?

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enum is used to assign symbolic constants different values without specifying these values yourself. If you write

Code:

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enum Fruits {
  APPLE = 0,
  PEAR
};

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you obtain constant APPLE having a value of 0 and constant PEAR with value of 1. You now may identify element of enumeration by specifying the constant. If you have some fruit object, you can crate a variable of type enum Fruit and assign it one of possible values

Code:

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enum Fruit fruit_type;
fruit_type = PEAR;

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Now you can test for type of fruit:

Code:

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if(fruit_type==APPLE) {... do somethig}

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Switch is mutli-way branch. You specify the variable and expected values of it. If values match, you have a jumt to corresponding case label. For example:

Code:

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switch(fruit_type) {
  case APPLE:
    // this label'll be jumped to if (fruit_type==APPLE)
  case PEAR:
  // note that case is just a label, so this point'll be reached even it
  // fruit_type is APPLE, unleas you use break to exit switch block.
    break;
}

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Code:

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  while(1<2) //demi-loops
    { if(pch=='/' && ch=='/' && type=='n') {type='c'; a[0]=a[0]-2; a[12]=a[12]+2; a[11]++; a[13]++; break;}
      if(type=='c' && ch=='\n') {type='n'; a[9]--; break;} break;}
  while(1<2) //demi-loops
    { if(pch=='/' && ch=='*' && type=='n') {type='m'; a[0]--; a[11]++; a[12]++; a[14]++; break;}
      if(pch=='*' && ch=='/' && type=='m') {type='n'; a[0]--; a[12]++; break;} break;}
  while(1<2) //demi-loops
    { if(pch!='\\' && ch=='\"' && type=='n') {type='t'; break;}
      if(pch!='\\' && ch=='\"' && type=='t') {type='n'; break;}
      if(pch=='\\' && ch=='\"' && type=='n') {type='n'; a[7]--; break;}
      if(pch=='\\' && ch=='\"' && type=='t') {type='t'; a[7]--; break;}
      if(pch=='\\' && ch=='\'' && (type=='t' or type=='n')) {a[8]--; break;} break;}

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your intension was that the switch command should come instead of the demi-loops??

if so, should the switch or the enum be outside of the main()? all my programs so far were very simple-structured (without none classes and such things), and ALL commands were inside the main func..

Quote:

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Originally Posted by moshe2

your intension was that the switch command should come instead of the demi-loops??

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There actually is no reason for those loops - I think you lack else keyword...

no... not at all..... look up.. each 2 functions inside a demi-loop has few states-

1. function number 1 will run, function number 2 will NOT run.
2. function number 2 will run, function number 1 will NOT run.
3. NONE will run and the program will continue (because there is 3 breaks
for each loop with 2 functions- one break for each function ending and
one break for the whole deal (if none are executed).

any way... if one of them work (and it doesn't have to be like this)- the other will surely NOT work!

do you understand what i tryed to do? i know its a bit rough but im a beginner...

I mean that

Code:

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  while(1<2) //demi-loops
    { if(pch=='/' && ch=='/' && type=='n') {type='c'; a[0]=a[0]-2; a[12]=a[12]+2; a[11]++; a[13]++; break;}
      if(type=='c' && ch=='\n') {type='n'; a[9]--; break;} break;}

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is equivalent to

Code:

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if(type=='n' && pch=='/' && ch=='/') {
  type='c';
  a[0]-=2;
  a[12]+=2;
  a[11]++;
  a[13]++;
} else if(type=='c' && ch=='\n') {
  type='n';
  a[9]--;
}

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which is not that esoteric.

i knew that there is "if" and there is "else".. i didnt knew that there is "else if"..

if(a==b){...}
else if(b==c){...}

Q: the else-if command will run only if--> ((a!=b) && (b==c)) ?

Quote:

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Originally Posted by moshe2

i knew that there is "if" and there is "else".. i didnt knew that there is "else if"..

if(a==b){...}
else if(b==c){...}

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There is no "else if". Last if is just under else, like if you have a code

Code:

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if(A) B;
else C;

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where C is actually "if (D) E", so that code looks like

Code:

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if(A) B;
else if(D) E;

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So, that second 'if' is checked only if first 'if' failed.

Quote:

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Originally Posted by RoboTact

There is no "else if". Last if is just under else, like if you have a code

Code:

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if(A) B;
else C;

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where C is actually "if (D) E", so that code looks like

Code:

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if(A) B;
else if(D) E;

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So, that second 'if' is checked only if first 'if' failed.

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ok, but there is only 1 else if possible after each if?

Code:

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if (a) {b;}
else if (c) {d;}
else if (e) {f;}

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what does this means? if it exists?


another 2 beginner's questions.....:

1.

Code:

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enum CharState
  { A_BRACKET_OPEN = 0,
    A_BRACKET_CLOSE = 0,
    B_BRACKET_OPEN = 0,
    B_BRACKET_CLOSE = 0 };

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but later on, i cant manipulate them... i can't do

Code:

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B_BRACKET_OPEN++;

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for instance..

2.how do i create some function that will do all this string Input_File_Name;

Code:

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  cout<<"input file's name (c:/file.type):\n\n";
  cin>>Input_File_Name;
  ifstream ScanFile(Input_File_Name.c_str());

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outside of main(), and will be called in main for scanning the file with the symbolic key-work "scan"...??

thanks alot!!!
moshe.

Quote:

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Originally Posted by moshe2

ok, but there is only 1 else if possible after each if?

Code:

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if (a) {b;}
else if (c) {d;}
else if (e) {f;}

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what does this means? if it exists?

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It means

Code:

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if (a) {b;}
else {
  if (c) {d;}
  else {
    if (e) {f;}
  }
}

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Quote:

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Originally Posted by moshe2

1.

Code:

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enum CharState
  { A_BRACKET_OPEN = 0,
    A_BRACKET_CLOSE = 0,
    B_BRACKET_OPEN = 0,
    B_BRACKET_CLOSE = 0 };

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but later on, i cant manipulate them... i can't do

Code:

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B_BRACKET_OPEN++;

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for instance..

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It's symbolic constant. There is no sense in modifying it. And it's disabled too.

Quote:

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Originally Posted by moshe2

2.how do i create some function that will do all this string Input_File_Name;

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Not sure what you mean.

gain, how can i make the a[16] better?

( a[16] have the information on how many (){}[]; and more..... )

-moshe

Quote:

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Originally Posted by moshe2

gain, how can i make the a[16] better?

( a[16] have the information on how many (){}[]; and more..... )

-moshe

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As you use it now, you don't need array at all. You may use different variables instead of elements of array at each index, with names of their own.
Anyway, even if you don't change the way it is now, you should actually name those indices you use. Don't write a[12], write instead a[NUM_COMMENTS], where NUM_COMMENTS equals to 12 and defined beforehand.