Re: No match for 'operator<<' in '((HttpRequest*

From:
"io_x" <a@b.c.invalid>
Newsgroups:
comp.lang.c++
Date:
Thu, 14 Jul 2011 17:34:30 +0200
Message-ID:
<4e1f0c17$0$44207$4fafbaef@reader1.news.tin.it>
"eric" <cneric12lin0@gmail.com> ha scritto nel messaggio
news:a7286acf-941d-4c4c-a8ba-0103b63cd3a2@t38g2000prj.googlegroups.com...
On Jul 14, 1:24 am, "io_x" <a...@b.c.invalid> wrote:

=================================================
eric@eric-laptop:~/cppcookbook/ch8$ g++ Example8-3-2.cpp
Example8-3-2.cpp:14:2: error: #error "Non posso compilare con questo
sistema"
Example8-3-2.cpp:47:2: error: ?u32? does not name a type
Example8-3-2.cpp: In constructor ?Socket::Socket(std::string&)?:
Example8-3-2.cpp:37:24: error: invalid conversion from ?const char*?
to ?unsigned char*?
Example8-3-2.cpp:39:22: error: invalid conversion from ?unsigned
char*? to ?const char*?
Example8-3-2.cpp:39:22: error: initializing argument 1 of ?FILE*
fopen(const char*, const char*)?
Example8-3-2.cpp: At global scope:
Example8-3-2.cpp:61:1: error: ?u32? does not name a type
Example8-3-2.cpp: In function ?int main()?:
Example8-3-2.cpp:73:26: error: ?sendMyData? was not declared in this
scope
--------------------------------------------------------------------------------------------------->------

Thanks Io_x

and your suggestion
above is my compiler 's response of your test program. I will try to
learn more by myself. And at meantime,
I guess it is not difficult for you to refine it if you think it is
necessary so it can fit on my system too.


i forget one header... i'm not too much expert...
than i not use the C++ file way, but the C one
than i use macro all want i not to write i.e. P, G etc etc

desclaimer: it could be wrong;
here it just open a file of name "thisfile" and write in it just "xml"
there it could make burn your little pc
could be less danger if execute in a debugger one step at time

// Example 8-3. Using constructors and destructors
#include <stdio.h>
#include <limits.h>

#include <iostream>
#include <string>

#define u8 unsigned char

#if ULONG_MAX == 0xFFFFFFFF
#define u32 unsigned long
#elif UINT_MAX == 0xFFFFFFFF
#define u32 unsigned int
#elif USHRT_MAX == 0xFFFFFFFF
#define u32 unsigned short
#else
#define u32 unsigned long
#endif

#define uns unsigned

// macro for function
#define P printf

// macro for keyWords
#define G goto
#define R return
#define W while
#define F for
#define T template
#define TN typename
#define S sizeof

using namespace std;

class Socket{
public:

Socket(string& hostname)
{u8 *a=(u8*)hostname.c_str();

 name="NOfile";
 fsck = fopen( (const char*)a , "w+b" );
 if(fsck!=0)
      {name=hostname;}
}

~Socket()
{if( fclose(fsck)==-1 )
     P("Errore on close file %s\n", name.c_str());
}

int send(string& soapMsg)
 {size_t k, slen;

  slen=soapMsg.length();
  F(k=0; k<slen ; ++k)
      if( fputc(soapMsg[k], fsck) == EOF ) break;
  if(k!=slen) R -1;
  R 0;
 }

// here could be 2 file too and not just one
 FILE* fsck;
 string name;
};

int sendMyData(string soapMsg, string host) {
   Socket req(host);

   R req.send(soapMsg);
}

int main(void)
{string s="xml";
 if(sendMyData(s, "thisfile")==-1)
      P("ERROR\n");
 else P("seems ok\n");
 R 0;
}

of course, I always welcome whoever keep original class of book
authors expect, i.e. class HttpRequest
and its overloaded operator << in
void send(string soapMsg) {sock_ << soapMsg;}
to complete the fix
Eric

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