Update style to (almost) conform to ndn-cxx style using clang-format
diff --git a/server/request_parser.cpp b/server/request_parser.cpp
index 0ba3748..e8dee11 100644
--- a/server/request_parser.cpp
+++ b/server/request_parser.cpp
@@ -38,294 +38,265 @@
 {
 }
 
-void request_parser::reset()
+void
+request_parser::reset()
 {
   state_ = method_start;
 }
 
-boost::tribool request_parser::consume(request& req, char input)
+boost::tribool
+request_parser::consume(request& req, char input)
 {
-  switch (state_)
-  {
-  case method_start:
-    if (!is_char(input) || is_ctl(input) || is_tspecial(input))
-    {
+  switch (state_) {
+    case method_start:
+      if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
+        return false;
+      }
+      else {
+        state_ = method;
+        req.method.push_back(input);
+        return boost::indeterminate;
+      }
+    case method:
+      if (input == ' ') {
+        state_ = uri;
+        return boost::indeterminate;
+      }
+      else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
+        return false;
+      }
+      else {
+        req.method.push_back(input);
+        return boost::indeterminate;
+      }
+    case uri:
+      if (input == ' ') {
+        state_ = http_version_h;
+        return boost::indeterminate;
+      }
+      else if (is_ctl(input)) {
+        return false;
+      }
+      else {
+        req.uri.push_back(input);
+        return boost::indeterminate;
+      }
+    case http_version_h:
+      if (input == 'H') {
+        state_ = http_version_t_1;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_t_1:
+      if (input == 'T') {
+        state_ = http_version_t_2;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_t_2:
+      if (input == 'T') {
+        state_ = http_version_p;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_p:
+      if (input == 'P') {
+        state_ = http_version_slash;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_slash:
+      if (input == '/') {
+        req.http_version_major = 0;
+        req.http_version_minor = 0;
+        state_ = http_version_major_start;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_major_start:
+      if (is_digit(input)) {
+        req.http_version_major = req.http_version_major * 10 + input - '0';
+        state_ = http_version_major;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_major:
+      if (input == '.') {
+        state_ = http_version_minor_start;
+        return boost::indeterminate;
+      }
+      else if (is_digit(input)) {
+        req.http_version_major = req.http_version_major * 10 + input - '0';
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_minor_start:
+      if (is_digit(input)) {
+        req.http_version_minor = req.http_version_minor * 10 + input - '0';
+        state_ = http_version_minor;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case http_version_minor:
+      if (input == '\r') {
+        state_ = expecting_newline_1;
+        return boost::indeterminate;
+      }
+      else if (is_digit(input)) {
+        req.http_version_minor = req.http_version_minor * 10 + input - '0';
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case expecting_newline_1:
+      if (input == '\n') {
+        state_ = header_line_start;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case header_line_start:
+      if (input == '\r') {
+        state_ = expecting_newline_3;
+        return boost::indeterminate;
+      }
+      else if (!req.headers.empty() && (input == ' ' || input == '\t')) {
+        state_ = header_lws;
+        return boost::indeterminate;
+      }
+      else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
+        return false;
+      }
+      else {
+        req.headers.push_back(header());
+        req.headers.back().name.push_back(input);
+        state_ = header_name;
+        return boost::indeterminate;
+      }
+    case header_lws:
+      if (input == '\r') {
+        state_ = expecting_newline_2;
+        return boost::indeterminate;
+      }
+      else if (input == ' ' || input == '\t') {
+        return boost::indeterminate;
+      }
+      else if (is_ctl(input)) {
+        return false;
+      }
+      else {
+        state_ = header_value;
+        req.headers.back().value.push_back(input);
+        return boost::indeterminate;
+      }
+    case header_name:
+      if (input == ':') {
+        state_ = space_before_header_value;
+        return boost::indeterminate;
+      }
+      else if (!is_char(input) || is_ctl(input) || is_tspecial(input)) {
+        return false;
+      }
+      else {
+        req.headers.back().name.push_back(input);
+        return boost::indeterminate;
+      }
+    case space_before_header_value:
+      if (input == ' ') {
+        state_ = header_value;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case header_value:
+      if (input == '\r') {
+        state_ = expecting_newline_2;
+        return boost::indeterminate;
+      }
+      else if (is_ctl(input)) {
+        return false;
+      }
+      else {
+        req.headers.back().value.push_back(input);
+        return boost::indeterminate;
+      }
+    case expecting_newline_2:
+      if (input == '\n') {
+        state_ = header_line_start;
+        return boost::indeterminate;
+      }
+      else {
+        return false;
+      }
+    case expecting_newline_3:
+      return (input == '\n');
+    default:
       return false;
-    }
-    else
-    {
-      state_ = method;
-      req.method.push_back(input);
-      return boost::indeterminate;
-    }
-  case method:
-    if (input == ' ')
-    {
-      state_ = uri;
-      return boost::indeterminate;
-    }
-    else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
-    {
-      return false;
-    }
-    else
-    {
-      req.method.push_back(input);
-      return boost::indeterminate;
-    }
-  case uri:
-    if (input == ' ')
-    {
-      state_ = http_version_h;
-      return boost::indeterminate;
-    }
-    else if (is_ctl(input))
-    {
-      return false;
-    }
-    else
-    {
-      req.uri.push_back(input);
-      return boost::indeterminate;
-    }
-  case http_version_h:
-    if (input == 'H')
-    {
-      state_ = http_version_t_1;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_t_1:
-    if (input == 'T')
-    {
-      state_ = http_version_t_2;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_t_2:
-    if (input == 'T')
-    {
-      state_ = http_version_p;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_p:
-    if (input == 'P')
-    {
-      state_ = http_version_slash;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_slash:
-    if (input == '/')
-    {
-      req.http_version_major = 0;
-      req.http_version_minor = 0;
-      state_ = http_version_major_start;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_major_start:
-    if (is_digit(input))
-    {
-      req.http_version_major = req.http_version_major * 10 + input - '0';
-      state_ = http_version_major;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_major:
-    if (input == '.')
-    {
-      state_ = http_version_minor_start;
-      return boost::indeterminate;
-    }
-    else if (is_digit(input))
-    {
-      req.http_version_major = req.http_version_major * 10 + input - '0';
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_minor_start:
-    if (is_digit(input))
-    {
-      req.http_version_minor = req.http_version_minor * 10 + input - '0';
-      state_ = http_version_minor;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case http_version_minor:
-    if (input == '\r')
-    {
-      state_ = expecting_newline_1;
-      return boost::indeterminate;
-    }
-    else if (is_digit(input))
-    {
-      req.http_version_minor = req.http_version_minor * 10 + input - '0';
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case expecting_newline_1:
-    if (input == '\n')
-    {
-      state_ = header_line_start;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case header_line_start:
-    if (input == '\r')
-    {
-      state_ = expecting_newline_3;
-      return boost::indeterminate;
-    }
-    else if (!req.headers.empty() && (input == ' ' || input == '\t'))
-    {
-      state_ = header_lws;
-      return boost::indeterminate;
-    }
-    else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
-    {
-      return false;
-    }
-    else
-    {
-      req.headers.push_back(header());
-      req.headers.back().name.push_back(input);
-      state_ = header_name;
-      return boost::indeterminate;
-    }
-  case header_lws:
-    if (input == '\r')
-    {
-      state_ = expecting_newline_2;
-      return boost::indeterminate;
-    }
-    else if (input == ' ' || input == '\t')
-    {
-      return boost::indeterminate;
-    }
-    else if (is_ctl(input))
-    {
-      return false;
-    }
-    else
-    {
-      state_ = header_value;
-      req.headers.back().value.push_back(input);
-      return boost::indeterminate;
-    }
-  case header_name:
-    if (input == ':')
-    {
-      state_ = space_before_header_value;
-      return boost::indeterminate;
-    }
-    else if (!is_char(input) || is_ctl(input) || is_tspecial(input))
-    {
-      return false;
-    }
-    else
-    {
-      req.headers.back().name.push_back(input);
-      return boost::indeterminate;
-    }
-  case space_before_header_value:
-    if (input == ' ')
-    {
-      state_ = header_value;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case header_value:
-    if (input == '\r')
-    {
-      state_ = expecting_newline_2;
-      return boost::indeterminate;
-    }
-    else if (is_ctl(input))
-    {
-      return false;
-    }
-    else
-    {
-      req.headers.back().value.push_back(input);
-      return boost::indeterminate;
-    }
-  case expecting_newline_2:
-    if (input == '\n')
-    {
-      state_ = header_line_start;
-      return boost::indeterminate;
-    }
-    else
-    {
-      return false;
-    }
-  case expecting_newline_3:
-    return (input == '\n');
-  default:
-    return false;
   }
 }
 
-bool request_parser::is_char(int c)
+bool
+request_parser::is_char(int c)
 {
   return c >= 0 && c <= 127;
 }
 
-bool request_parser::is_ctl(int c)
+bool
+request_parser::is_ctl(int c)
 {
   return (c >= 0 && c <= 31) || (c == 127);
 }
 
-bool request_parser::is_tspecial(int c)
+bool
+request_parser::is_tspecial(int c)
 {
-  switch (c)
-  {
-  case '(': case ')': case '<': case '>': case '@':
-  case ',': case ';': case ':': case '\\': case '"':
-  case '/': case '[': case ']': case '?': case '=':
-  case '{': case '}': case ' ': case '\t':
-    return true;
-  default:
-    return false;
+  switch (c) {
+    case '(':
+    case ')':
+    case '<':
+    case '>':
+    case '@':
+    case ',':
+    case ';':
+    case ':':
+    case '\\':
+    case '"':
+    case '/':
+    case '[':
+    case ']':
+    case '?':
+    case '=':
+    case '{':
+    case '}':
+    case ' ':
+    case '\t':
+      return true;
+    default:
+      return false;
   }
 }
 
-bool request_parser::is_digit(int c)
+bool
+request_parser::is_digit(int c)
 {
   return c >= '0' && c <= '9';
 }