html.cpp

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#include <html.h>
#include <print.h>
#include <stringserialization.h>
#include <tokenizerlocal.h>


string html::space = "&nbsp;";
string html::br = "<br />";

int html::insert(commandline& cmd)
{
  string filename;

  cmd.mapvar(filename,"file");
  if (filename.empty())
  {
    cout << "error: file=\"\"" << endl;
    return 1;
  }

  string s0;
  if (filestring::serialize(s0,filename)==false)
  {
    cout << "error: unable to open " << filename << endl;
    return 1;
  };

  cout << "Reading " << filename << endl;

  tokenizer tk2(s0);
  tokenizerlocal tl2(tk2);

  string tag1;
  string tag2;
  string text;
  string file;

  int res=0;
  if (tl2.read(tag1,"tag1")==false)
  {
    res=1;
    cout << "error: no <tag1></tag1>" << endl;
  };
  if (tl2.read(tag2,"tag2")==false)
  {
    res=1;
    cout << "error: no <tag2></tag2>" << endl;
  };
  if (tl2.read(text,"text")==false)
  {
    res=1;
    cout << "error: no <text></text>" << endl;
  };
  if (tl2.read(file,"file")==false)
  {
    res=1;
    cout << "error: no <file></file>" << endl;
  };
  
  if (res==1)
    return 1;

  return insert(file,tag1,tag2,text);
}

int html::insert
(
  stringc& file, 
  stringc& tag1,
  stringc& tag2,
  stringc& text
)
{
  string s1;
  if (filestring::serialize(s1,file)==false)
  {
    cout << "error: could not read " << file << endl;
    return 1;
  }

  tokenizer tk;
  tk.readaslines(s1);

  liststringi i1;
  liststringi i2;

  bool found1=false;
  bool found2=false;
  for (tk.reset(); !tk; ++tk)
  {
    if (found1==false)
    {
      if (tk()==tag1)
      {
        found1=true;
        i1=tk.current;
      }
      continue;
    }
  
//cout << SHOW3(tk()) << endl;
//cout << SHOW3(tag2) << endl;
    if (tk()==tag2)
    {
      found2=true;
      i2=tk.current;
    }
  }

  if (found1==false)
    return 1;
  if (found2==false)
    return 1;

  // See if there is data between the tags.
  liststringi i4=i1;
  ++i4;
  if (i4!=i2)
    tk.seq.erase(i4,i2); // [i4,i2)
//cout << SHOW3( i4==i2 ) << endl;

//  cout << "***" <<  print(tk.seq) << "***" << endl;
  
//cout << SHOW3(*i1) << endl;
//cout << SHOW3(*i2) << endl;

//cout << SHOW3(*(i1+1)==*i2) << endl;
//cout << "insert at i2 text" << endl;
  tk.seq.insert(i2,text);  // Insert before i2.

  // Add carriage return as tokenizer stripped these.
  for (tk.reset(); !tk; ++tk)
    *tk += "\n";

//  cout << "***" <<  print(tk.seq) << "***" << endl;
  if (filestring::serializeInverse(file,(stringc)tk)==false)
    return 1;

  return 0;
}