File content as of revision 7:d97a4fc01c86:

/* HTTPMap.cpp */
/*
Copyright (C) 2012 ARM Limited.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/

#include "core/fwk.h"

#include "HTTPMap.h"

#include <cstring>

#include <cctype>

HTTPMap::HTTPMap() : m_pos(0), m_count(0)
{

}

void HTTPMap::put(const char* key, const char* value)
{
  if(m_count >= HTTPMAP_TABLE_SIZE)
  {
    return;
  }
  m_keys[m_count] = key;
  m_values[m_count] = value;
  m_count++;
}

void HTTPMap::clear()
{
  m_count = 0;
  m_pos = 0;
}


/*virtual*/ int HTTPMap::read(char* buf, size_t len, size_t* pReadLen)
{
  if(m_pos >= m_count)
  {
    *pReadLen = 0;
    m_pos = 0;
    return OK;
  }

  //URL encode
  char* out = buf;
  const char* in = m_keys[m_pos];
  if( (m_pos != 0) && (out - buf < len - 1) )
  {
    *out='&';
    out++;
  }

  while( (*in != '\0') && (out - buf < len - 3) )
  {
    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
    {
      *out = *in;
      out++;
    }
    else if( *in == ' ' )
    {
      *out='+';
      out++;
    }
    else
    {
      char hex[] = "0123456789abcdef";
      *out='%';
      out++;
      *out=hex[(*in>>4)&0xf];
      out++;
      *out=hex[(*in)&0xf];
      out++;
    }
    in++;
  }

  if( out - buf < len - 1 )
  {
    *out='=';
    out++;
  }

  in = m_values[m_pos];
  while( (*in != '\0') && (out - buf < len - 3) )
  {
    if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
    {
      *out = *in;
      out++;
    }
    else if( *in == ' ' )
    {
      *out='+';
      out++;
    }
    else
    {
      char hex[] = "0123456789abcdef";
      *out='%';
      out++;
      *out=hex[(*in>>4)&0xf];
      out++;
      *out=hex[(*in)&0xf];
      out++;
    }
    in++;
  }

  *pReadLen = out - buf;

  m_pos++;
  return OK;
}

/*virtual*/ int HTTPMap::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
{
  strncpy(type, "application/x-www-form-urlencoded", maxTypeLen-1);
  type[maxTypeLen-1] = '\0';
  return OK;
}

/*virtual*/ bool HTTPMap::getIsChunked() //For Transfer-Encoding header
{
  return false; ////Data is computed one key/value pair at a time
}

/*virtual*/ size_t HTTPMap::getDataLen() //For Content-Length header
{
  size_t count = 0;
  for(size_t i = 0; i< m_count; i++)
  {
    //URL encode
    const char* in = m_keys[i];
    if( i != 0 )
    {
      count++;
    }

    while( (*in != '\0') )
    {
      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
      {
        count++;
      }
      else if( *in == ' ' )
      {
        count++;
      }
      else
      {
        count+=3;
      }
      in++;
    }

    count ++;

    in = m_values[i];
    while( (*in != '\0') )
    {
      if (std::isalnum(*in) || *in == '-' || *in == '_' || *in == '.' || *in == '~')
      {
        count++;
      }
      else if( *in == ' ' )
      {
        count++;
      }
      else
      {
        count+=3;
      }
      in++;
    }
  }
  return count;
}