Diff: M2XStreamClient.cpp

Revision:

8:bd39886d72fb

Parent:

6:e6d66d99dd6f

--- a/M2XStreamClient.cpp	Thu Nov 14 15:14:54 2013 +0000
+++ b/M2XStreamClient.cpp	Fri Jan 03 11:55:17 2014 +0000
@@ -6,15 +6,31 @@
 #include "LocationParseFunctions.h"
 
 const char* M2XStreamClient::kDefaultM2XHost = "api-m2x.att.com";
-const char* kUserAgentLine = "User-Agent: M2X Arduino Client/0.1";
 
 int print_encoded_string(Print* print, const char* str);
+int tolower(int ch);
+
+#if defined(ARDUINO_PLATFORM) || defined(MBED_PLATFORM)
+int tolower(int ch)
+{
+  // Arduino and mbed use ASCII table, so we can simplify the implementation
+  if ((ch >= 'A') && (ch <= 'Z')) {
+    return (ch + 32);
+  }
+  return ch;
+}
+#else
+// For other platform, we use libc's tolower by default
+#include <ctype.h>
+#endif
 
 M2XStreamClient::M2XStreamClient(Client* client,
                                  const char* key,
+                                 int case_insensitive,
                                  const char* host,
                                  int port) : _client(client),
                                              _key(key),
+                                             _case_insensitive(case_insensitive),
                                              _host(host),
                                              _port(port),
                                              _null_print() {
@@ -123,7 +139,7 @@
 }
 
 void M2XStreamClient::writeHttpHeader(int contentLength) {
-  _client->println(kUserAgentLine);
+  _client->println(USER_AGENT);
   _client->print("X-M2X-KEY: ");
   _client->println(_key);
 
@@ -156,8 +172,14 @@
       char c = _client->read();
       DBG("%c", c);
 
-      if ((str[currentIndex] == '*') ||
-          (c == str[currentIndex])) {
+      int cmp;
+      if (_case_insensitive) {
+        cmp = tolower(c) - tolower(str[currentIndex]);
+      } else {
+        cmp = c - str[currentIndex];
+      }
+
+      if ((str[currentIndex] == '*') || (cmp == 0)) {
         currentIndex++;
         if (str[currentIndex] == '\0') {
           return E_OK;