dot.c

压缩包里面的都是精致的基本C语言小程序

#include "error.h"
#include "linkedList.h"
#include "mystdlib.h"
#include "triple.h"
#include "file.h"
#include "str.h"
#include "control.h"
#include "dot.h"

struct dot
{
  linkedList list;
};

dot newDot ()
{
  dot d = checkedMalloc (sizeof (*d));
  d->list = newLinkedList ();
  return d;
}

void dotInsert (str from, str to, str info, dot d)
{
  str newInfo = newStr ("");

  if (info)
  {
    str s1 = newStr ("[label = \"");
    str s2 = newStr ("\"]");
    str s3 = strConcat (s1, info);
    newInfo = strConcat (s3, s2);
    strFree (s1);
    strFree (s2);
    strFree (s3);
  }
  else;

  triple t = newTriple (from, to, newInfo);
  linkedListInsertHead (d->list, t);
  return;
}

str dotToString (dot d)
{
  linkedList p = linkedListGetFirst (d->list);
  
  str s = newStr ("\n\n");
  str temp1, temp2, temp3, temp4, temp5, temp6;
  str t;

  if (p);
  else 
    return newStr ("");

  temp4 = newStr ("\"");
  temp5 = newStr ("->");
  temp6 = newStr (";\n");

  while (p)
  {
    triple tr = p->data;
    temp1 = tripleFirst (tr);
    temp2 = tripleSecond (tr);
    temp3 = tripleThird (tr);
    
    t = s;
    s = strConcat (s, temp4);
    strFree (t);
    
    t = s;
    s = strConcat (s, temp1);
    strFree (t);

    t = s;
    s = strConcat (s, temp4);
    strFree (t);

    t = s;
    s = strConcat (s, temp5);
    strFree (t);

    t = s;
    s = strConcat (s, temp4);
    strFree (t);
    
    t = s;
    s = strConcat (s, temp2);
    strFree (t);

    t = s;
    s = strConcat (s, temp4);
    strFree (t);

    t = s;
    s = strConcat (s, temp3);
    strFree (t);

    t = s;
    s = strConcat (s, temp6);
    strFree (t);

    p = p->next;
  }
  return s;
}

void dotToJpg (dot d, char *fname)
{
  str strFname = newStr (fname);
  str dotFname = strConcat (strFname, newStr (".dot"));
  str jpgFname = strConcat (strFname, newStr (".jpg "));
  
  char *dotFname2 = strToCharStar (dotFname);

  //printf (newFileName2);

  file fp = fileOpen (dotFname2, "w+");  
 
  str all = strConcat (newStr ("digraph g{\n"), newStr ("\tsize = \"10, 10\";\n"));
  all = strConcat (all, newStr ("\tnode [color=lightblue2, style=filled];\n"));
    
  str strDot = dotToString (d);
            
  all = strConcat (all, strDot);
  all = strConcat (all, newStr ("}\n\n"));
  filePuts (all, fp);
  fileClose (fp);  
  
  str command = strConcat (newStr ("dot -Tjpg -o "), jpgFname);
  command = strConcat (command, dotFname);
  
  char *sss = strToCharStar (command);  
  
//  strOutput2 ("now executing: \n");
//  strOutput2 (sss);
//  strOutput2 ("\n");  
  
  checkedSystem (sss); 
  if (!controlKeepDot)
  {
    str s = strConcat (newStr ("del "), dotFname);
    checkedSystem (strToCharStar (s));
  }
  return;
}