Diff: data/HTTPMap.cpp

Revision:

0:62a4a8ec4ab5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/HTTPMap.cpp	Tue Jun 10 14:23:22 2014 +0000
@@ -0,0 +1,200 @@
+/* HTTPMap.cpp */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * 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 "HTTPMap.h"
+
+#include <cstring>
+
+#include <cctype>
+
+#define OK 0
+
+using std::strncpy;
+
+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*/ void HTTPMap::readReset()
+{
+  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;
+}