Move parser outside of terminal emulator -- prepare for keyboard input

parse.cpp

@@ -159,8 +159,8 @@ int vt_parser( int fd, Parser::UTF8Parser *parser )
 
   /* feed to parser */
   for ( int i = 0; i < bytes_read; i++ ) {
-    std::vector<Parser::Action *> actions = parser->input( buf[ i ] );
-    for ( std::vector<Parser::Action *>::iterator j = actions.begin();
+    std::list<Parser::Action *> actions = parser->input( buf[ i ] );
+    for ( std::list<Parser::Action *>::iterator j = actions.begin();
 	  j != actions.end();
 	  j++ ) {
 

parser.cpp

@@ -5,7 +5,7 @@
 #include "parser.hpp"
 
 static void append_or_delete( Parser::Action *act,
-			      std::vector<Parser::Action *>&vec )
+			      std::list<Parser::Action *>&vec )
 {
   assert( act );
 
@@ -16,9 +16,9 @@ static void append_or_delete( Parser::Action *act,
   }
 }
 
-std::vector<Parser::Action *> Parser::Parser::input( wchar_t ch )
+std::list<Parser::Action *> Parser::Parser::input( wchar_t ch )
 {
-  std::vector<Action *> ret;
+  std::list<Action *> ret;
 
   Transition tx = state->input( ch );
 
@@ -47,7 +47,7 @@ Parser::UTF8Parser::UTF8Parser()
   assert( BUF_SIZE >= MB_CUR_MAX );
 }
 
-std::vector<Parser::Action *> Parser::UTF8Parser::input( char c )
+std::list<Parser::Action *> Parser::UTF8Parser::input( char c )
 {
   assert( buf_len < BUF_SIZE );
 
@@ -62,7 +62,7 @@ std::vector<Parser::Action *> Parser::UTF8Parser::input( char c )
 
   size_t total_bytes_parsed = 0;
   size_t orig_buf_len = buf_len;
-  std::vector<Action *> ret;
+  std::list<Action *> ret;
 
   /* this routine is somewhat complicated in order to comply with
      Unicode 6.0, section 3.9, "Best Practices for using U+FFFD" */
@@ -112,12 +112,8 @@ std::vector<Parser::Action *> Parser::UTF8Parser::input( char c )
       pwc = (wchar_t) 0xFFFD;
     }
 
-    std::vector<Action *> vec = parser.input( pwc );
-    for ( std::vector<Action *>::iterator i = vec.begin();
-	  i != vec.end();
-	  i++ ) {
-      ret.push_back( *i );
-    }
+    std::list<Action *> vec = parser.input( pwc );
+    ret.insert( ret.end(), vec.begin(), vec.end() );
 
     total_bytes_parsed += bytes_parsed;
   }

parser.hpp

@@ -5,7 +5,7 @@
    http://www.vt100.net/emu/dec_ansi_parser */
 
 #include <wchar.h>
-#include <vector>
+#include <list>
 #include <string.h>
 
 #include "parsertransition.hpp"
@@ -30,7 +30,7 @@ namespace Parser {
     Parser & operator=( const Parser & );
     ~Parser() {}
 
-    std::vector<Action *> input( wchar_t ch );
+    std::list<Action *> input( wchar_t ch );
   };
 
   static const size_t BUF_SIZE = 8;
@@ -45,7 +45,7 @@ namespace Parser {
   public:
     UTF8Parser();
 
-    std::vector<Action *> input( char c );
+    std::list<Action *> input( char c );
   };
 }
 

templates.cpp

@@ -1,3 +1,4 @@
+#include <list>
 #include <vector>
 #include <deque>
 #include <wchar.h>
@@ -9,11 +10,15 @@ namespace Parser {
   class Action;
 }
 
-template class std::vector<Parser::Action *>;
-template class std::vector<Terminal::Cell>;
-template class std::deque<Terminal::Row>;
-template class std::vector<Terminal::Cell *>;
-template class std::vector<wchar_t>;
-template class std::vector<int>;
-template class std::map<std::string, Terminal::Function>;
-template class std::vector<bool>;
+using namespace std;
+using namespace Terminal;
+
+template class list<Parser::Action *>;
+template class vector<Cell>;
+template class deque<Row>;
+template class vector<Cell *>;
+template class vector<wchar_t>;
+template class vector<int>;
+template class map<string, Function>;
+template class vector<bool>;
+

termemu.cpp

@@ -23,7 +23,8 @@ const size_t buf_size = 1024;
 
 void emulate_terminal( int fd, int debug_fd );
 int copy( int src, int dest );
-int termemu( int fd, Terminal::Emulator *terminal, int debug_fd );
+int termemu( int fd, Parser::UTF8Parser *parser,
+	     Terminal::Emulator *terminal, int debug_fd );
 
 int main( int argc,
 	  char *argv[],
@@ -107,11 +108,14 @@ int main( int argc,
     }
   }
 
+  printf( "[rtm is exiting.]\n" );
+
   return 0;
 }
 
 void emulate_terminal( int fd, int debug_fd )
 {
+  Parser::UTF8Parser parser;
   Terminal::Emulator terminal( 80, 24 );
   struct pollfd pollfds[ 2 ];
 
@@ -133,7 +137,7 @@ void emulate_terminal( int fd, int debug_fd )
 	return;
       }
     } else if ( pollfds[ 1 ].revents & POLLIN ) {
-      if ( termemu( fd, &terminal, debug_fd ) < 0 ) {
+      if ( termemu( fd, &parser, &terminal, debug_fd ) < 0 ) {
 	return;
       }
     } else if ( (pollfds[ 0 ].revents | pollfds[ 1 ].revents)
@@ -160,7 +164,8 @@ int copy( int src, int dest )
   return swrite( dest, buf, bytes_read );
 }
 
-int termemu( int fd, Terminal::Emulator *terminal, int debug_fd )
+int termemu( int fd, Parser::UTF8Parser *parser,
+	     Terminal::Emulator *terminal, int debug_fd )
 {
   char buf[ buf_size ];
 
@@ -173,15 +178,21 @@ int termemu( int fd, Terminal::Emulator *terminal, int debug_fd )
     return -1;
   }
 
-  std::string terminal_to_host;
-
-  /* feed to terminal */
+  /* feed bytes to parser, and actions to terminal */
   for ( int i = 0; i < bytes_read; i++ ) {
-    terminal_to_host.append( terminal->input( buf[ i ], debug_fd ) );
+    std::list<Parser::Action *> actions = parser->input( buf[ i ] );
+    for ( std::list<Parser::Action *>::iterator i = actions.begin();
+	  i != actions.end();
+	  i++ ) {
+      (*i)->act_on_terminal( terminal );
+    }
   }
 
   terminal->debug_printout( STDOUT_FILENO );
 
+  debug_fd = debug_fd;
+
   /* write writeback */
+  std::string terminal_to_host = terminal->read_octets_to_host();
   return swrite( fd, terminal_to_host.c_str(), terminal_to_host.length() );
 }

terminal.cpp

@@ -10,38 +10,14 @@
 using namespace Terminal;
 
 Emulator::Emulator( size_t s_width, size_t s_height )
-  : parser(), fb( s_width, s_height ), dispatch()
+  : fb( s_width, s_height ), dispatch()
 {}
 
-std::string Emulator::input( char c, int actfd )
+std::string Emulator::read_octets_to_host( void )
 {
+  std::string ret = dispatch.terminal_to_host;
   dispatch.terminal_to_host.clear();
-
-  std::vector<Parser::Action *> vec = parser.input( c );
-
-  for ( std::vector<Parser::Action *>::iterator i = vec.begin();
-	i != vec.end();
-	i++ ) {
-    Parser::Action *act = *i;
-
-    act->act_on_terminal( this );
-
-    /* print out debugging information */
-    if ( (actfd > 0) && ( !act->handled ) ) {
-      char actsum[ 64 ];
-      if ( (typeid( *act ) == typeid( Parser::CSI_Dispatch ))
-	   || (typeid( *act ) == typeid( Parser::Esc_Dispatch )) ) {
-	snprintf( actsum, 64, "%s%s ", act->str().c_str(), dispatch.str().c_str() );
-      } else {
-	snprintf( actsum, 64, "%s ", act->str().c_str() );
-      }
-      swrite( actfd, actsum );
-    }
-    delete act;
-  }
-
-  /* the user is supposed to send this string to the host, as if typed */
-  return dispatch.terminal_to_host;
+  return ret;
 }
 
 void Emulator::execute( Parser::Execute *act )

terminal.hpp

@@ -24,7 +24,6 @@ namespace Terminal {
     friend void Parser::OSC_End::act_on_terminal( Emulator * );
 
   private:
-    Parser::UTF8Parser parser;
     Framebuffer fb;
     Dispatcher dispatch;
 
@@ -38,7 +37,7 @@ namespace Terminal {
   public:
     Emulator( size_t s_width, size_t s_height );
 
-    std::string input( char c, int debug_fd );
+    std::string read_octets_to_host( void );
 
     void debug_printout( int fd );
   };