src/tool_easysrc.c

/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at http://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
#include "setup.h"

#include <curl/curl.h>

#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"

#include "tool_cfgable.h"
#include "tool_easysrc.h"
#include "tool_msgs.h"

#include "memdebug.h" /* keep this as LAST include */

/* global variable definitions, for easy-interface source code generation */

struct curl_slist *easysrc = NULL;
struct curl_slist *easysrc_remarks = NULL;

static const char *const srchead[]={
  "/********* Sample code generated by the curl command line tool **********",
  " * All curl_easy_setopt() options are documented at:",
  " * http://curl.haxx.se/libcurl/c/curl_easy_setopt.html",
  " ************************************************************************/",
  "#include <curl/curl.h>",
  "",
  "int main(int argc, char *argv[])",
  "{",
  "  CURLcode ret;",
  NULL
};

void dumpeasysrc(struct Configurable *config)
{
  struct curl_slist *ptr;
  char *o = config->libcurl;

  if(o) {
    FILE *out;
    bool fopened = FALSE;
    if(strcmp(o, "-")) {
      out = fopen(o, "wt");
      fopened = TRUE;
    }
    else
      out = stdout;
    if(!out)
      warnf(config, "Failed to open %s to write libcurl code!\n", o);
    else {
      int i;
      const char *c;

      for(i=0; ((c = srchead[i]) != '\0'); i++)
        fprintf(out, "%s\n", c);

      ptr = easysrc;
      while(ptr) {
        fprintf(out, "  %s\n", ptr->data);
        ptr = ptr->next;
      }

      ptr = easysrc_remarks;
      if(ptr) {
        fprintf(out,
                "\n  /* Here is a list of options the curl code"
                " used that cannot get generated\n"
                "     as source easily. You may select to either"
                " not use them or implement\n     them yourself.\n"
                "\n");
        while(ptr) {
          fprintf(out, "  %s\n", ptr->data);
          ptr = ptr->next;
        }
        fprintf(out, "\n  */\n");
      }

      fprintf(out,
              "  return (int)ret;\n"
              "}\n"
              "/**** End of sample code ****/\n");
      if(fopened)
        fclose(out);
    }
  }

  curl_slist_free_all(easysrc_remarks);
  curl_slist_free_all(easysrc);
  easysrc_remarks = NULL;
  easysrc = NULL;
}