TANSIParser Class Reference

#include <ansiprsr.h>

Inheritance diagram for TANSIParser:

Collaboration diagram for TANSIParser:

Public Member Functions
	TANSIParser (TConsole &Console, KeyTranslator &RefKeyTrans, TScroller &RefScroller, TNetwork &NetHandler, TCharmap &RefCharmap)
	~TANSIParser ()
char *	ParseBuffer (char *pszBuffer, char *pszBufferEnd)
Public Member Functions inherited from TParser
	TParser (TConsole &RefConsole, KeyTranslator &RefKeyTrans, TScroller &RefScroller, TNetwork &RefNetwork, TCharmap &RefCharmap)
virtual	~TParser ()
virtual char *	ParseBuffer (char *pszBuffer, char *pszBufferEnd)=0
virtual void	Init ()=0

Static Public Member Functions
static int	StripBuffer (char *pszBuffer, char *pszBufferEnd, int width)

Private Member Functions
char *	ParseEscapeANSI (char *pszBuffer, char *pszBufferEnd)
char *	ParseANSIBuffer (char *pszBuffer, char *pszBufferEnd)
char *	ParseEscape (char *pszBuffer, char *pszBufferEnd)
char *	PrintBuffer (char *pszBuffer, char *pszBufferEnd)
char *	PrintGoodChars (char *pszHead, char *pszTail)
char *	ParseEscapeMTE (char *pszBuffer, char *pszBufferEnd)
void	ConSetAttribute (unsigned char wAttr)
const char *	GetTerminalID ()
void	ConSetCursorPos (int x, int y)
void	ResetTerminal ()
void	Init ()
void	SaveCurX (int iX)
void	SaveCurY (int iY)
void	resetTabStops ()

Private Attributes
short int	mteRegionXF
short int	mteRegionYF
int	iSavedCurX
int	iSavedCurY
unsigned char	iSavedAttributes
FILE *	dumpfile
FILE *	printfile
char	InPrintMode
int	inGraphMode
char	last_char
char	map_G0
char	map_G1
int	current_map
bool	vt52_mode
bool	print_ctrl
bool	ignore_margins
bool	fast_write
bool	newline_mode
int	tab_stops [MAX_TAB_POSITIONS]

Additional Inherited Members
Protected Attributes inherited from TParser
TConsole &	Console
KeyTranslator &	KeyTrans
TScroller &	Scroller
TNetwork &	Network
TCharmap &	Charmap

Detailed Description

Definition at line 19 of file ansiprsr.h.

Constructor & Destructor Documentation

TANSIParser()

TANSIParser::TANSIParser	(	TConsole &	Console,
		KeyTranslator &	RefKeyTrans,
		TScroller &	RefScroller,
		TNetwork &	NetHandler,
		TCharmap &	RefCharmap
	)

Definition at line 58 of file ansiprsr.cpp.

                                              :
TParser(RefConsole, RefKeyTrans, RefScroller, RefNetwork, RefCharmap) {
    Init();
    iSavedAttributes = (unsigned char) 7;
    // must also check to make sure the string is non-NULL
    // (Paul Brannan 5/8/98)
    if ((ini.get_dumpfile() != NULL) && (*ini.get_dumpfile() != '\0')){
        dumpfile = fopen(ini.get_dumpfile(), "wb");
    }else {
        dumpfile = NULL;
    }
    InPrintMode = 0;
    printfile = NULL;
 
    fast_write = ini.get_fast_write(); // Paul Brannan 6/28/98
    Scroller.init(&StripBuffer);
}

~TANSIParser()

TANSIParser::~TANSIParser

(

)

Definition at line 78 of file ansiprsr.cpp.

                         {
    if (dumpfile) fclose (dumpfile);
    // Added I.Ioannou 06 April, 1997
    if (printfile != NULL) fclose (printfile);
}

Member Function Documentation

ConSetAttribute()

void TANSIParser::ConSetAttribute ( unsigned char  wAttr )

private

Definition at line 128 of file ansiprsr.cpp.

                                                         {
    // Paul Brannan 5/8/98
    // Made this go a little bit faster by changing from switch{} to an array
    // for the colors
    if(TextAttrib >= 30) {
        if(TextAttrib <= 37) {
            Console.SetForeground(ANSIColors[TextAttrib-30]);
            return;
        } else if((TextAttrib >= 40) && (TextAttrib <= 47)) {
            Console.SetBackground(ANSIColors[TextAttrib-40]);
            return;
        }
    }
 
    switch (TextAttrib){
        // Text Attributes
    case 0: Console.Normal();           break;  // Normal video
    case 1: Console.HighVideo();        break;  // High video
    case 2: Console.LowVideo();         break;  // Low video
    case 4: Console.UnderlineOn();      break;  // Underline on (I.Ioannou)
    case 5: Console.BlinkOn();          break;  // Blink video
        // Corrected by I.Ioannou 11 May, 1997
    case 7: Console.ReverseOn();        break;  // Reverse video
    case 8:                             break;  // hidden
        // All from 10 thru 27 are hacked from linux kernel
        // I.Ioannou 06 April, 1997
    case 10:
        //  I.Ioannou 04 Sep 1997 turn on/off high bit
        inGraphMode = 0;
        print_ctrl = 0;
        Charmap.setmap(current_map ? map_G1:map_G0); // Paul Brannan 6/25/98
        break; // ANSI X3.64-1979 (SCO-ish?)
        // Select primary font,
        // don't display control chars
        // if defined, don't set
        // bit 8 on output (normal)
    case 11:
        inGraphMode = 0;
        print_ctrl = 1;
        Charmap.setmap(0); // Paul Brannan 6/25/98
        break; // ANSI X3.64-1979 (SCO-ish?)
        // Select first alternate font,
        // let chars < 32 be displayed
        // as ROM chars
    case 12:
        inGraphMode = 1;
        print_ctrl = 1;
        Charmap.setmap(0); // Paul Brannan 6/25/98
        break; // ANSI X3.64-1979 (SCO-ish?)
        // Select second alternate font,
        // toggle high bit before
        // displaying as ROM char.
 
    case 21:                                    // not really Low video
    case 22: Console.LowVideo();        break;  // but this works good also
    case 24: Console.UnderlineOff();    break;  // Underline off
    case 25: Console.BlinkOff();        break;  // blink off
        // Corrected by I.Ioannou 11 May, 1997
    case 27: Console.ReverseOff();      break;  //Reverse video off
 
    // Mutt needs this (Paul Brannan, Peter Jordan 12/31/98)
    // This is from the Linux kernel source
    case 38: /* ANSI X3.64-1979 (SCO-ish?)
              * Enables underscore, white foreground
              * with white underscore (Linux - use
              * default foreground).
              */
            Console.UnderlineOn();
            Console.SetForeground(ini.get_normal_fg());
            break;
    case 39: /* ANSI X3.64-1979 (SCO-ish?)
              * Disable underline option.
              * Reset colour to default? It did this
              * before...
              */
            Console.UnderlineOff();
            Console.SetForeground(ini.get_normal_fg());
            break;
    case 49:
            Console.SetBackground(ini.get_normal_bg());
            break;
 
    }
}

Referenced by ParseEscapeANSI().

ConSetCursorPos()

void TANSIParser::ConSetCursorPos ( int  x, int  y  )

private

Definition at line 213 of file ansiprsr.cpp.

                                              {
    if(ignore_margins)
        Console.SetRawCursorPosition(x, y);
    else
        Console.SetCursorPosition(x, y);
}

Referenced by ParseEscape(), and ParseEscapeANSI().

GetTerminalID()

const char * TANSIParser::GetTerminalID ( )

private

Definition at line 220 of file ansiprsr.cpp.

{
    return "\033[?1;2c";
}

Referenced by ParseEscape(), and ParseEscapeANSI().

Init()

void TANSIParser::Init ( )

privatevirtual

Implements TParser.

Definition at line 86 of file ansiprsr.cpp.

                       {
    // Paul Brannan 6/25/98
    map_G0 = 'B'; map_G1 = 'B';
    Charmap.setmap(map_G0);
    current_map = 'B';
 
    ignore_margins = 0;
    vt52_mode = 0;
    print_ctrl = 0;
    newline_mode = false;
 
    KeyTrans.clear_ext_mode();
 
    iSavedCurY = 0;                         // Reset Variables
    iSavedCurX = 0;
    inGraphMode = 0;
    Console.SetScroll(-1, -1);
    Console.Normal();                       // Reset Attributes
 
    // Set tabs stops
    resetTabStops();
}

Referenced by ResetTerminal(), and TANSIParser().

ParseANSIBuffer()

char * TANSIParser::ParseANSIBuffer ( char *  pszBuffer, char *  pszBufferEnd  )

private

Definition at line 1212 of file ansiprsr.cpp.

{
    if(InPrintMode) {
        return PrintBuffer(pszBuffer, pszBufferEnd);
    }
 
    unsigned char tmpc = *(unsigned char *)pszBuffer;
 
    if(tmpc == 27) {
        return ParseEscape(pszBuffer, pszBufferEnd);
    }
 
//  if((fast_write && tmpc < 32) ||
//      !print_ctrl && (tmpc < 32 || (EightBit_Ansi &&
//      (tmpc > 128 && tmpc < 128 + ' ')))) {
 
    // We shouldn't print ctrl characters when fast write is enabled
    // and ctrl chars are disabled (Paul Brannan 9/1/98)
    if(tmpc < 32) {
        // From the Linux kernel (Paul Brannan 12/5/98):
        /* A bitmap for codes <32. A bit of 1 indicates that the code
         * corresponding to that bit number invokes some special action
         * (such as cursor movement) and should not be displayed as a
         * glyph unless the disp_ctrl mode is explicitly enabled.
         */
        const long CTRL_ACTION = 0x0d00ff81;
        const long CTRL_ALWAYS = 0x0800f501;
        if(!(((print_ctrl?CTRL_ALWAYS:CTRL_ACTION)>>tmpc)&1)) {
 
            Console.WriteString((char *)&tmpc, 1);
            pszBuffer++;
            return pszBuffer;
        }
 
        switch (tmpc) {
        case 0:
            pszBuffer++;
            break;
 
        // I.Ioannou 5/30/98
        case 7:
            Console.Beep();
            pszBuffer++;
            break;
 
        // destructive backspace
        case 8:
            // Added option for destructive backspace (Paul Brannan 5/13/98)
            // Changed to ConWriteCtrlString so that the cursor position can be
            // updated (Paul Brannan 5/25/98)
            if(ini.get_dstrbksp()) {
                Console.WriteCtrlChar('\b');
                Console.WriteString(" ", 1);
                Console.WriteCtrlChar('\b');
            }
            else Console.WriteCtrlChar('\b');
            pszBuffer++;
            break;
 
        // horizontal tab
        case 9:
            {
                pszBuffer++;
                int x = Console.GetCursorX();
                if(x != -1)
                    Console.SetCursorPosition(tab_stops[x], Console.GetCursorY());
            }
            break;
 
        // Line Feed Char
        case 10:
            // Test for local echo (Paul Brannan 8/25/98)
            if(Network.get_local_echo() || newline_mode) // &&
                Console.WriteCtrlChar('\x0d');
            Console.WriteCtrlChar('\x0a');
            pszBuffer++;
            break;
 
        // form feed
        case 12:
            pszBuffer++;
            Console.ClearScreen();
            Console.SetRawCursorPosition(Console.GetCursorX(), 1); // changed fm 1
            break;
 
        case 13:
            Console.WriteCtrlChar('\x0d');
            pszBuffer++;
 
            break;
 
        case 14:  // shift out of alternate chararcter set
            pszBuffer++;
            Charmap.setmap(map_G1); // Paul Brannan 6/25/98
            current_map = 1;
            break;
 
        case 15:  // shift in
            pszBuffer++;
            Charmap.setmap(map_G0); // Paul Brannan 6/25/98
            current_map = 0;
            break;
 
        // Paul Brannan 9/1/98 - Is this okay?
        default:
            pszBuffer++;
        }
 
        return pszBuffer;
    }
 
    //  added by I.Ioannou 06 April, 1997
    //  In 8 bit systems the server may send 0x9b instead of ESC[
    //  Well, this will produce troubles in Greek 737 Code page
    //  which uses 0x9b as the small "delta" - and I thing that there
    //  is another European country with the same problem.
    //  If we have to stay 8-bit clean we may have to
    //  give the ability of ROM characters (ESC[11m),
    //  for striped 8'th bit (ESC[12m) as SCO does,
    //  or a parameter at compile (or run ?) time.
    // We now check for a flag in the ini file (Paul Brannan 5/13/98)
    // We also handle any 8-bit ESC sequence (Paul Brannan 6/28/98)
    if(ini.get_eightbit_ansi() && (tmpc > 128 && tmpc < 128 + ' ')) {
        // There's a chance the sequence might not parse.  If this happens
        // then pszBuffer will be one character too far back, since
        // ParseEscape is expecting two characters, not one.
        // In that case we must handle it.
        char *pszCurrent = pszBuffer;
        pszBuffer = ParseEscape(pszBuffer, pszBufferEnd);
        if(pszBuffer < pszCurrent) pszBuffer = pszCurrent;
    }
 
    char* pszCurrent = pszBuffer + 1;
    // I.Ioannou 04 Sep 1997 FIXME with ESC[11m must show chars < 32
    // Fixed (Paul Brannan 6/28/98)
    while ((pszCurrent < pszBufferEnd) && (!iscntrl(*pszCurrent))) {
        // I.Ioannou 04 Sep 1997 strip on high bit
        if ( (inGraphMode) && (*pszCurrent > (char)32) )
            *pszCurrent |= 0x80 ;
        pszCurrent++;
    }
 
    // Note that this may break dumpfiles slightly.
    // If 'B' is set to anything other than ASCII, this will cause problems
    // (Paul Brannan 6/28/98)
    if(current_map != 'B' && Charmap.enabled)
        Charmap.translate_buffer(pszBuffer, pszCurrent);
 
    last_char = *(pszCurrent-1);    // TITUS++: Remember last char
 
    if(fast_write) {
        pszBuffer += Console.WriteStringFast(pszBuffer,
            pszCurrent - pszBuffer);
    } else {
        pszBuffer += Console.WriteString(pszBuffer,
            pszCurrent - pszBuffer);
    }
 
    return pszBuffer;
}

Referenced by ParseBuffer().

ParseBuffer()

char * TANSIParser::ParseBuffer ( char *  pszBuffer, char *  pszBufferEnd  )

virtual

Implements TParser.

Definition at line 1127 of file ansiprsr.cpp.

                                                          {
    // copy into ANSI buffer
    char * pszResult;
 
    // Parse the buffer for ANSI or display
    while (pszHead < pszTail) {
        if(!ini.get_output_redir()) {
            pszResult = ParseANSIBuffer(pszHead, pszTail);
        } else {
            // Output is being redirected
            if(ini.get_strip_redir()) {
                // Skip the WriteFile() altogether and pass the buffer to a filter
                // Mark Miesfield 09/24/2000
                pszResult = PrintGoodChars(pszHead, pszTail);
            } else {
                DWORD Result;
                // Paul Brannan 7/29/98
                // Note that this has the unforunate effect of printing out
                // NULL (ascii 0) characters onto the screen
                if (!WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), pszHead,
                    pszTail - pszHead, &Result, NULL)) pszResult = pszHead;
                pszResult = pszHead + Result;
            }
        }
        if (dumpfile)
            fwrite( pszHead, sizeof (char), pszResult-pszHead, dumpfile);
        if(ini.get_scroll_enable()) Scroller.update(pszHead, pszResult);
        if (pszResult == pszHead) break;
        pszHead = pszResult;
    }
    // return the new head to the buffer
    return pszHead;
}

ParseEscape()

char * TANSIParser::ParseEscape ( char *  pszBuffer, char *  pszBufferEnd  )

private

Definition at line 916 of file ansiprsr.cpp.

                                                                  {
    char *pszChar;
 
    // Check if we have enough characters in buffer.
    if ((pszBufferEnd - pszBuffer) < 2)
        return pszBuffer;
 
    //  I.Ioannou 04 Sep 1997
    // there is no need for pszBuffer++; after each command
 
    // Decode the command.
    pszBuffer++;
 
    switch (*pszBuffer++) {
        case 'A': // Cursor up
            Console.MoveCursorPosition(0, -1);
            break;
        // Cursor down
        case 'B':
            Console.MoveCursorPosition(0, 1);
            break;
        // Cursor right
        case 'C':
            Console.MoveCursorPosition(1, 0);
            break;
        // LF *or* cursor left (Paul Brannan 6/27/98)
        case 'D':
            if(vt52_mode)
                Console.MoveCursorPosition(-1, 0);
            else
                Console.index();
            break;
        // CR/LF (Paul Brannan 6/26/98)
        case 'E':
            Console.WriteCtrlString("\r\n", 2);
            break;
        // Special graphics char set (Paul Brannan 6/27/98)
        case 'F':
            Charmap.setmap('0');
            break;
        // ASCII char set (Paul Brannan 6/27/98)
        case 'G':
            Charmap.setmap('B');
            break;
        // Home cursor/tab set
        case 'H':
            if(ini.get_vt100_mode()) {
                int x = Console.GetCursorX();
                if(x != 0) {
                    int t = tab_stops[x - 1];
                    for(int j = x - 1; j >= 0 && tab_stops[j] == t; j--)
                        tab_stops[j] = x;
                }
            } else {
                //  I.Ioannou 04 Sep 1997 (0,0) not (1,1)
                ConSetCursorPos(0, 0);
            }
            break;
        // Reverse line feed (Paul Brannan 6/27/98)
        // FIX ME!!!  reverse_index is wrong to be calling here
        // (Paul Brannan 12/2/98)
        case 'I':
            Console.reverse_index();
            break;
        // Erase end of screen
        case 'J':
            Console.ClearEOScreen();
            break;
        // Erase EOL
        case 'K':
            Console.ClearEOLine();
            break;
        // Scroll Up one line //Reverse index
        case 'M':
            Console.reverse_index();
            break;
        // Direct cursor addressing
        case 'Y':
            if ((pszBufferEnd - pszBuffer) >= 2){
                // if we subtract '\x1F', then we may end up with a negative
                // cursor position! (Paul Brannan 6/26/98)
                ConSetCursorPos(pszBuffer[1] - ' ', pszBuffer[0] - ' ');
                pszBuffer+=2;
            } else {
                pszBuffer--; // Paul Brannan 6/26/98
            }
            break;
        // Terminal ID Request
        case 'Z':
            {
                const char* szTerminalId = GetTerminalID();
                Network.WriteString(szTerminalId, strlen(szTerminalId));
                break;
            }
        // reset terminal to defaults
        case 'c':
            ResetTerminal();
            break;
        // Enter alternate keypad mode
        case '=':
            KeyTrans.set_ext_mode(APP3_KEY);
            break;
        // Exit alternate keypad mode
        case '>':
            KeyTrans.unset_ext_mode(APP3_KEY);
            break;
        // Enter ANSI mode
        case '<':
            KeyTrans.unset_ext_mode(APP2_KEY); // exit vt52 mode
            break;
        // Graphics processor on (See note 3)
        case '1':
            break;
        // Line size commands
        case '#':        //Line size commands
            // (Paul Brannan 6/26/98)
            if(pszBuffer < pszBufferEnd) {
                switch(*pszBuffer++) {
                case '3': break; // top half of a double-height line
                case '4': break; // bottom half of a double-height line
                case '6': break; // current line becomes double-width
                case '8': Console.ClearScreen('E'); break;
                }
            } else {
                pszBuffer--;
            }
            break;
        // Graphics processor off (See note 3)
        case '2':
            break;
        // Save cursor and attribs
        case '7':
            SaveCurY(Console.GetRawCursorY());
            SaveCurX(Console.GetRawCursorX());
            iSavedAttributes = Console.GetAttrib();
            break;
            // Restore cursor position and attribs
        case '8':
            Console.SetRawCursorPosition(iSavedCurX, iSavedCurY);
            Console.SetAttrib(iSavedAttributes);
            break;
        // Set G0 map (Paul Brannan 6/25/98)
        case '(':
            if (pszBuffer < pszBufferEnd) {
                map_G0 = *pszBuffer;
                if(current_map == 0) Charmap.setmap(map_G0);
                pszBuffer++;
            } else {
                pszBuffer--;
            }
            break;
        // Set G1 map (Paul Brannan 6/25/98)
        case ')':
            if (pszBuffer < pszBufferEnd) {
                map_G1 = *pszBuffer;
                if(current_map == 1) Charmap.setmap(map_G1);
                pszBuffer++;
            } else {
                pszBuffer--;
            }
            break;
        // This doesn't do anything, as far as I can tell, but it does take
        // a parameter (Paul Brannan 6/27/98)
        case '%':
            if (pszBuffer < pszBufferEnd) {
                pszBuffer++;
            } else {
                pszBuffer--;
            }
            break;
        // ANSI escape sequence
        case '[':
            // Check if we have whole escape sequence in buffer.
            // This should not be isalpha anymore (Paul Brannan 9/1/98)
            pszChar = pszBuffer;
            while ((pszChar < pszBufferEnd) && (*pszChar <= '?'))
                pszChar++;
            if (pszChar == pszBufferEnd)
                pszBuffer -= 2;
            else
                pszBuffer = ParseEscapeANSI(pszBuffer, pszBufferEnd);
            break;
#ifdef MTE_SUPPORT
        case '~':
            // Frediano Ziglio, 5/31/2000
            // Meridian Terminal Emulator extension
            // !!! same as ANSI
            // !!! should put in MTE procedure
            pszChar = pszBuffer;
            while ((pszChar < pszBufferEnd) && (*pszChar <= '?'))
                pszChar++;
            if (pszChar == pszBufferEnd)
                pszBuffer -= 2;
            else
                pszBuffer = ParseEscapeMTE(pszBuffer, pszBufferEnd);
            break;
#endif
        default:
#ifdef DEBUG
            Console.Beep();
#endif
            break;
    }
 
    return pszBuffer;
}

Referenced by ParseANSIBuffer().

ParseEscapeANSI()

char * TANSIParser::ParseEscapeANSI ( char *  pszBuffer, char *  pszBufferEnd  )

private

Definition at line 246 of file ansiprsr.cpp.

{
 
    //  The buffer contains something like <ESC>[pA
    //  where p is an optional decimal number specifying the count by which the
    //  appropriate action should take place.
    //  The pointer pszBuffer points us to the p, <ESC> and [ are
    //  already 'consumed'
 
    //  TITUS: Simplification of the code: Assume default count of 1 in case
    //  there are no parameters.
    char tmpc;
    const int nParam = 10;  // Maximum number of parameters
    int iParam[nParam] = {1, 0, 0, 0, 0};   // Assume 1 Parameter, Default 1
    int iCurrentParam = 0;
    DWORD flag = 0;
    int missing_param = 0;
 
    // Get parameters from escape sequence.
    while ((tmpc = *pszBuffer) <= '?') {
 
        if(tmpc < '0' || tmpc > '9') {
            // Check for parameter delimiter.
            if(tmpc == ';') {
                // This is a hack (Paul Brannan 6/27/98)
                if(*(pszBuffer - 1) == '[') missing_param = iCurrentParam+1;
                pszBuffer++;
                continue;
            }
 
            // It is legal to have control characters inside ANSI sequences
            // (Paul Brannan 6/26/98)
            if(tmpc < ' ') {
                Console.WriteCtrlChar(tmpc);
                pszBuffer++;
                continue;
            }
 
            // A new way of handling flags (Paul Brannan 12/2/98)
            switch(tmpc) {
            case '$': flag |= FLAG_DOLLAR; break;
            case '?': flag |= FLAG_QMARK; break;
            case '>': flag |= FLAG_GREATER; break;
            case '<': flag |= FLAG_LESS; break;
            case '!': flag |= FLAG_EXCLAM; break;
            case '&': flag |= FLAG_AMPERSAND; break;
            case '/': flag |= FLAG_SLASH; break;
            case '=': flag |= FLAG_EQUAL; break;
            case '\"': flag |= FLAG_QUOTE; break;
            default: flag |= FLAG_OTHER; break;
            }
 
            pszBuffer++;
        }
 
        //  Got Numerical Parameter.
        iParam[iCurrentParam] = strtoul(pszBuffer, &pszBuffer, 10);
        if (iCurrentParam < nParam)
            iCurrentParam++;
    }
 
    //~~~ TITUS: Apparently the digit is optional (look at termcap or terminfo)
    // So: If there is no digit, assume a count of 1
 
    switch ((unsigned char)*pszBuffer++) {
        // Insert Character
        case '@':
            if(iParam[0] == 0) iParam[0] = 1; // Paul Brannan 9/1/98
            Console.InsertCharacter(iParam[0]); break;
        // Move cursor up.
        case 'A':
            if(iParam[0] == 0) iParam[0] = 1;
            Console.MoveCursorPosition(0, -iParam[0]); break;
        // Move cursor down.
        // Added by I.Ioannou 06 April, 1997
        case 'B':
        case 'e':
            if(iParam[0] == 0) iParam[0] = 1;
            Console.MoveCursorPosition(0, iParam[0]);
            break;
        // Move cursor right.
        // Added by I.Ioannou 06 April, 1997
        case 'C':
        case 'a':
            // Handle cursor size sequences (Jose Cesar Otero Rodriquez and
            // Paul Brannan, 3/27/1999)
            if(flag & FLAG_EQUAL) {
                switch(iParam[0]) {
                case 7: Console.SetCursorSize(50); break;
                case 11: Console.SetCursorSize(6); break;
                case 32: Console.SetCursorSize(0); break;
                default: Console.SetCursorSize(13);
                }
            } else {
                if(iParam[0] == 0) iParam[0] = 1;
                Console.MoveCursorPosition(iParam[0], 0);
                break;
            }
        // Move cursor left.
        case 'D':
            if(iParam[0] == 0) iParam[0] = 1;
            Console.MoveCursorPosition(-iParam[0], 0);
            break;
        // Move cursor to beginning of line, p lines down.
        // Added by I.Ioannou 06 April, 1997
        case 'E':
            Console.MoveCursorPosition(-Console.GetCursorX(), iParam[0]);
            break;
        // Moves active position to beginning of line, p lines up
        // Added by I.Ioannou 06 April, 1997
        // With '=' this changes the default fg color (Paul Brannan 6/27/98)
        case 'F':
            if(flag & FLAG_EQUAL)
                Console.setDefaultFg(iParam[0]);
            else
                Console.MoveCursorPosition(-Console.GetCursorX(), -iParam[0]);
            break;
        // Go to column p
        // Added by I.Ioannou 06 April, 1997
        // With '=' this changes the default bg color (Paul Brannan 6/27/98)
        case '`':
        case 'G': // 'G' is from Linux kernel sources
            if(flag & FLAG_EQUAL) {
                Console.setDefaultBg(iParam[0]);
            } else {
                if (iCurrentParam < 1)          // Alter Default
                    iParam[0] = 0;
                // this was backward, and we should subtract 1 from x
                // (Paul Brannan 5/27/98)
                ConSetCursorPos(iParam[0] - 1, Console.GetCursorY());
            }
            break;
        // Set cursor position.
        case 'f':
        case 'H':
            if (iCurrentParam < 2 || iParam[1] < 1)
                iParam[1] = 1;
            ConSetCursorPos(iParam[1] - 1, iParam[0] - 1);
            break;
        // Clear screen
        case 'J':
            if ( iCurrentParam < 1 ) iParam[0] = 0; // Alter Default
            switch (iParam[0]) {
                case 0: Console.ClearEOScreen(); break;
                case 1: Console.ClearBOScreen(); break;
                case 2:
                    Console.ClearScreen();
                    Console.SetRawCursorPosition(0, 0);
                    break;
            }
            break;
        // Clear line
        case 'K':
            if (iCurrentParam < 1)          // Alter Default
                iParam[0] = 0;
            switch (iParam[0]) {
                case 0: Console.ClearEOLine(); break;
                case 1: Console.ClearBOLine(); break;
                case 2: Console.ClearLine(); break;
            }
            break;
        //  Insert p new, blank lines.
        // Added by I.Ioannou 06 April, 1997
        case 'L':
            {
                // for (int i = 1; i <= iParam[0]; i++)
                // This should speed things up a bit (Paul Brannan 9/2/98)
                Console.ScrollDown(Console.GetRawCursorY(), -1, iParam[0]);
                break;
            }
        //  Delete p lines.
        // Added by I.Ioannou 06 April, 1997
        case 'M':
            {
                for (int i = 1; i <= iParam[0]; i++)
                // This should speed things up a bit (Paul Brannan 9/2/98)
                Console.ScrollDown(Console.GetRawCursorY(), -1, -1);
                break;
            }
        // DELETE CHAR
        case 'P':
            Console.DeleteCharacter(iParam[0]);
            break;
        // Scrolls screen up (down? -- PB) p lines,
        // Added by I.Ioannou 06 April, 1997
        // ANSI X3.64-1979 references this but I didn't
        // found it in any telnet implementation
        // note 05 Oct 97  : but SCO terminfo uses them, so uncomment them !!
        case 'S':
            {
                //for (int i = 1; i <= iParam[0]; i++)
                // This should speed things up a bit (Paul Brannan 9/2/98)
                Console.ScrollDown(-1, -1, -iParam[0]);
                break;
            }
        // Scrolls screen up p lines,
        // Added by I.Ioannou 06 April, 1997
        // ANSI X3.64-1979 references this but I didn't
        // found it in any telnet implementation
        // note 05 Oct 97  : but SCO terminfo uses them, so uncomment them !!
        case 'T':
            {
                // for (int i = 1; i <= iParam[0]; i++)
                // This should speed things up a bit (Paul Brannan 9/2/98)
                Console.ScrollDown(-1, -1, iParam[0]);
                break;
            }
        //  Erases p characters up to the end of line
        // Added by I.Ioannou 06 April, 1997
        case 'X':
            {
                int iKeepX = Console.GetRawCursorX();
                int iKeepY = Console.GetRawCursorY();
                if (iParam[0] > Console.GetWidth())
                    iParam[0] = Console.GetWidth(); // up to the end of line
                for ( int i = 1; i <= iParam[0]; i++ )
                    Console.WriteString(" ", 1);
                Console.SetRawCursorPosition(iKeepX , iKeepY);
                break;
            }
        // Go back p tab stops
        // Added by I.Ioannou 06 April, 1997
        // Implemented by Paul Brannan, 4/13/2000
        case 'Z':
            {
                int x = Console.GetCursorX();
                for(int j = 0; x > 0 && j < iParam[0]; j++)
                    while(x > 0 && tab_stops[j] == tab_stops[x]) x--;
                Console.SetCursorPosition(x, Console.GetCursorY());
            }
            break;
        // Get Terminal ID
        case 'c':
            {
                const char* szTerminalId = GetTerminalID();
                Network.WriteString(szTerminalId, strlen(szTerminalId));
                break;
            }
        // TITUS++ 2. November 1998: Repeat Character.
        case 'b':
            // isprint may be causing problems (Paul Brannan 3/27/99)
            // if ( isprint(last_char) ) {
                char    buf[150];       // at most 1 line (max 132 chars)
 
                if ( iParam[0] > 149 ) iParam[0] = 149;
                memset(buf, last_char, iParam[0]);
                buf[iParam[0]] = 0;
                if ( fast_write )
                    Console.WriteStringFast(buf, iParam[0]);
                else
                    Console.WriteString(buf, iParam[0]);
            // } /* IF */
        break;
        // Go to line p
        // Added by I.Ioannou 06 April, 1997
        case 'd':
            if (iCurrentParam < 1)          // Alter Default
                iParam[0] = 0;
            // this was backward, and we should subtract 1 from y
            // (Paul Brannan 5/27/98)
            ConSetCursorPos(Console.GetCursorX(), iParam[0] - 1);
            break;
        // iBCS2 tab erase
        // Added by I.Ioannou 06 April, 1997
        case 'g':
            if (iCurrentParam < 1)          // Alter Default
                iParam[0] = 0;
            switch (iParam[0]) {
                case 0:
                    {
                        // Clear the horizontal tab stop at the current active position
                        for(int j = 0; j < MAX_TAB_POSITIONS; j++) {
                            int x = Console.GetCursorX();
                            if(tab_stops[j] == x) tab_stops[j] = tab_stops[x + 1];
                        }
                    }
                    break;
                case 2:
                    // I think this might be "set as default?"
                    break;
                case 3:
                    {
                        // Clear all tab stops
                        for(int j = 0; j < MAX_TAB_POSITIONS; j++)
                            tab_stops[j] = -1;
                    }
                    break;
            }
            break;
        // Set extended mode
        case 'h':
            {
                for (int i = 0; i < iCurrentParam; i++) {
                    // Changed to a switch statement (Paul Brannan 5/27/98)
                    if(flag & FLAG_QMARK) {
                        switch(iParam[i]) {
                            case 1: // App cursor keys
                                KeyTrans.set_ext_mode(APP_KEY);
                                break;
                            case 2: // VT102 mode
                                vt52_mode = 0;
                                KeyTrans.unset_ext_mode(APP2_KEY);
                                break;
                            case 3: // 132 columns
                                if(ini.get_wide_enable()) {
                                    Console.SetWindowSize(132, -1);
                                }
                                break;
                            case 4: // smooth scrolling
                                break;
                            case 5: // Light background
                                Console.Lightbg();
                                break;
                            case 6: // Stay in margins
                                ignore_margins = 0;
                                break;
                            case 7:
                                Console.setLineWrap(true);
                                break;
                            case 8: // Auto-repeat keys
                                break;
                            case 18: // Send FF to printer
                                break;
                            case 19: // Entire screen legal for printer
                                break;
                            case 25: // Visible cursor
                                break;
                            case 66: // Application numeric keypad
                                break;
                            default:
#ifdef DEBUG
                                Console.Beep();
#endif
                                break;
                        }
                    } else {
                        switch(iParam[i]) {
                            case 2: // Lock keyboard
                                break;
                            case 3: // Act upon control codes (PB 12/5/98)
                                print_ctrl = 0;
                                break;
                            case 4: // Set insert mode
                                Console.InsertMode(1);
                                break;
                            case 12: // Local echo off
                                break;
                            case 20: // Newline sends cr/lf
                                KeyTrans.set_ext_mode(APP4_KEY);
                                newline_mode = true;
                                break;
                            default:
#ifdef DEBUG
                                Console.Beep();
#endif
                                break;
                        }
                    }
                }
            }
            break;
        // Print Screen
        case 'i':
            if (iCurrentParam < 1)
                iParam[0]=0;
            switch (iParam[0]){
                case 0: break; // Print Screen
                case 1: break; // Print Line
                // Added I.Ioannou 06 April, 1997
                case 4:
                    // Stop Print Log
                    InPrintMode = 0;
                    if ( printfile != NULL )
                        fclose(printfile);
                    break;
                case 5:
                    // Start Print Log
                    printfile = fopen(ini.get_printer_name(), "ab");
                    if (printfile != NULL) InPrintMode = 1;
                    break;
            }
            break;
        // Unset extended mode
        case 'l':
            {
                for (int i = 0; i < iCurrentParam; i++) {
                    // Changed to a switch statement (Paul Brannan 5/27/98)
                    if(flag & FLAG_QMARK) {
                        switch(iParam[i]) {
                            case 1: // Numeric cursor keys
                                KeyTrans.unset_ext_mode(APP_KEY);
                                break;
                            case 2: // VT52 mode
                                vt52_mode = 1;
                                KeyTrans.set_ext_mode(APP2_KEY);
                                break;
                            case 3: // 80 columns
                                if(ini.get_wide_enable()) {
                                    Console.SetWindowSize(80, -1);
                                }
                                break;
                            case 4: // jump scrolling
                                break;
                            case 5: // Dark background
                                Console.Darkbg();
                                break;
                            case 6: // Ignore margins
                                ignore_margins = 1;
                                break;
                            case 7:
                                Console.setLineWrap(false);
                                break;
                            case 8: // Auto-repeat keys
                                break;
                            case 19: // Only send scrolling region to printer
                                break;
                            case 25: // Invisible cursor
                                break;
                            case 66: // Numeric keypad
                                break;
                            default:
#ifdef DEBUG
                                Console.Beep();
#endif
                                break;
                        }
                    } else {
                        switch(iParam[i]) {
                            case 2: // Unlock keyboard
                                break;
                            case 3: // Display control codes (PB 12/5/98)
                                print_ctrl = 1;
                                break;
                            case 4: // Set overtype mode
                                Console.InsertMode(0);
                                break;
                            case 12: // Local echo on
                                break;
                            case 20: // sends lf only
                                KeyTrans.unset_ext_mode(APP4_KEY);
                                newline_mode = false;
                                break;
                            default:
#ifdef DEBUG
                                Console.Beep();
#endif
                                break;
                        }
                    }
                }
            }
            break;
        // Set color
        case 'm':
            if(missing_param) Console.Normal();
            if(iCurrentParam == 0) {
                Console.Normal();
            } else {
                for(int i = 0; i < iCurrentParam; i++)
                    ConSetAttribute(iParam[i]);
            }
            break;
        // report cursor position Row X Col
        case 'n':
            if (iCurrentParam == 1 && iParam[0]==5) {
                // report the cursor position
                Network.WriteString("\x1B[0n", 4);
                break;
            }
            if (iCurrentParam == 1 && iParam[0]==6){
                // report the cursor position
                // The cursor position needs to be sent as a single string
                // (Paul Brannan 6/27/98)
                char szCursorReport[40] = "\x1B[";
 
                itoa(Console.GetCursorY() + 1,
                    &szCursorReport[strlen(szCursorReport)], 10);
                strcat(szCursorReport, ";");
                itoa(Console.GetCursorX() + 1,
                    &szCursorReport[strlen(szCursorReport)], 10);
                strcat(szCursorReport, "R");
 
                Network.WriteString(szCursorReport, strlen(szCursorReport));
 
            }
            break;
        // Miscellaneous weird sequences (Paul Brannan 6/27/98)
        case 'p':
            // Set conformance level
            if(flag & FLAG_QUOTE) {
                break;
            }
            // Soft terminal reset
            if(flag & FLAG_EXCLAM) {
                break;
            }
            // Report mode settings
            if(flag & FLAG_DOLLAR) {
                break;
            }
            break;
        // Scroll Screen
        case 'r':
            if (iCurrentParam < 1) {
                // Enable scrolling for entire display
                Console.SetScroll(-1, -1);
                break;
            }
            if (iCurrentParam >1) {
                // Enable scrolling from row1 to row2
                Console.SetScroll(iParam[0] - 1, iParam[1] - 1);
                // If the cursor is outside the scrolling range, fix it
                // (Paul Brannan 6/26/98)
                // if(Console.GetRawCursorY() < iParam[0] - 1) {
                //  Console.SetRawCursorPosition(Console.GetCursorX(),
                //      iParam[0] - 1);
                // }
                // if(Console.GetRawCursorY() > iParam[1] - 1) {
                //  Console.SetRawCursorPosition(Console.GetCursorX(),
                //      iParam[1] - 1);
                // }
            }
            // Move the cursor to the home position (Paul Brannan 12/2/98)
            Console.SetCursorPosition(0, 0);
            break;
        // Save cursor position
        case 's':
            SaveCurY(Console.GetRawCursorY());
            SaveCurX(Console.GetRawCursorX());
            break;
        // Restore cursor position
        case 'u':
            Console.SetRawCursorPosition(iSavedCurX, iSavedCurY);
            break;
        // DEC terminal report (Paul Brannan 6/28/98)
        case 'x':
            if(iParam[0])
                Network.WriteString("\033[3;1;1;128;128;1;0x", 20);
            else
                Network.WriteString("\033[2;1;1;128;128;1;0x", 20);
            break;
        default:
#ifdef DEBUG
            Console.Beep();
#endif
            break;
    }
 
    return pszBuffer;
}

Referenced by ParseEscape().

ParseEscapeMTE()

char * TANSIParser::ParseEscapeMTE ( char *  pszBuffer, char *  pszBufferEnd  )

private

Referenced by ParseEscape().

PrintBuffer()

char * TANSIParser::PrintBuffer ( char *  pszBuffer, char *  pszBufferEnd  )

private

Definition at line 1375 of file ansiprsr.cpp.

                                                                  {
    // Check if we have enough characters in buffer.
    if ((pszBufferEnd - pszBuffer) < 4)
        return pszBuffer;
    char *tmpChar;
 
    tmpChar = pszBuffer;
    if ( *tmpChar == 27 ) {
        tmpChar++;
        if ( *tmpChar == '[' ) {
            tmpChar++;
            if ( *tmpChar == '4' ) {
                tmpChar++;
                if ( *tmpChar == 'i' ) {
                    InPrintMode = 0; // Stop Print Log
                    if ( printfile != NULL )
                        fclose(printfile);
                    pszBuffer += 4;
                    return pszBuffer;
                }
            }
        }
    }
 
    if (printfile != NULL) {
        fputc( *pszBuffer, printfile);
        pszBuffer++;
    } else
        InPrintMode = 0;
 
    return pszBuffer;
}

Referenced by ParseANSIBuffer().

PrintGoodChars()

char * TANSIParser::PrintGoodChars ( char *  pszHead, char *  pszTail  )

private

Definition at line 1431 of file ansiprsr.cpp.

                                                                    {
 
  while ( pszHead < pszTail )  {
    if ( iscntrl( *pszHead ) )  {
      switch ( *(pszHead++) )  {
        case 10 :
          putc( 10, stdout );
          break;
 
        case 13 :
          putc( 13, stdout );
          break;
 
        case 27:
          switch ( *(pszHead++) )  {
            case 'Y':
              pszHead += 2;
              break;
 
            case '#':
            case '(':
            case ')':
            case '%': pszHead++; break;
            case '[':
              while ( (pszHead < pszTail) && (*pszHead < '?') )
                pszHead++;
              pszHead++;
              break;
 
            default :
              break;
          }
          break;
 
        default :
          break;
      }
    }
    else
      putc( *(pszHead++), stdout );
  }
  return ( pszTail );
}

Referenced by ParseBuffer().

resetTabStops()

void TANSIParser::resetTabStops ( )

private

Definition at line 122 of file ansiprsr.cpp.

                                {
    for(int j = 0; j < MAX_TAB_POSITIONS; j++) {
        tab_stops[j] = 8 + j - (j%8);
    }
}

Referenced by Init().

ResetTerminal()

void TANSIParser::ResetTerminal ( )

private

Definition at line 109 of file ansiprsr.cpp.

                                {
    Init();
    Console.ClearScreen();                  // Clear Screen
    Console.SetRawCursorPosition(0,0);      // Home Cursor
}

Referenced by ParseEscape().

SaveCurX()

void TANSIParser::SaveCurX ( int  iX )

private

Definition at line 118 of file ansiprsr.cpp.

                                {
    iSavedCurX=iX;
}

Referenced by ParseEscape(), and ParseEscapeANSI().

SaveCurY()

void TANSIParser::SaveCurY ( int  iY )

private

Definition at line 114 of file ansiprsr.cpp.

                                {
    iSavedCurY=iY;
}

Referenced by ParseEscape(), and ParseEscapeANSI().

StripBuffer()

int TANSIParser::StripBuffer ( char *  pszBuffer, char *  pszBufferEnd, int  width  )

static

Definition at line 1164 of file ansiprsr.cpp.

                                                                    {
    int lines = 0, c = 0;
    char *pszBuf = pszHead;
 
    while(pszHead < pszTail) {
        if(iscntrl(*pszHead)) {
            switch(*(pszHead++)) {
            case 8:
            case 127:
                if(c>0) {
                    if(!(c%width)) lines--;
                    c--;
                    pszBuf--;
                }
                break;
            case 10: lines++;
            case 13:
                *(pszBuf++) = *(pszHead - 1);
                c = 0;
                break;
            case 27:
                switch(*(pszHead++)) {
                case 'Y': pszHead += 2; break;
                case '#':
                case '(':
                case ')':
                case '%': pszHead++; break;
                case '[':
                    while((pszHead < pszTail) && (*pszHead < '?'))
                        pszHead++;
                    pszHead++;
                    break;
                }
            }
        } else {
            *(pszBuf++) = *(pszHead++);
            c++;
        }
        if(c != 0 && !(c%width))
            lines++;
    }
 
    // Fill in the end of the buffer with blanks
    while(pszBuf <= pszTail) *pszBuf++ = ' ';
 
    return lines;
}

Referenced by TANSIParser().

Member Data Documentation

current_map

int TANSIParser::current_map

private

Definition at line 58 of file ansiprsr.h.

Referenced by ConSetAttribute(), Init(), ParseANSIBuffer(), and ParseEscape().

dumpfile

FILE* TANSIParser::dumpfile

private

Definition at line 48 of file ansiprsr.h.

Referenced by ParseBuffer(), TANSIParser(), and ~TANSIParser().

fast_write

bool TANSIParser::fast_write

private

Definition at line 62 of file ansiprsr.h.

Referenced by ParseANSIBuffer(), ParseEscapeANSI(), and TANSIParser().

ignore_margins

bool TANSIParser::ignore_margins

private

Definition at line 61 of file ansiprsr.h.

Referenced by ConSetCursorPos(), Init(), and ParseEscapeANSI().

inGraphMode

int TANSIParser::inGraphMode

private

Definition at line 53 of file ansiprsr.h.

Referenced by ConSetAttribute(), Init(), and ParseANSIBuffer().

InPrintMode

char TANSIParser::InPrintMode

private

Definition at line 52 of file ansiprsr.h.

Referenced by ParseANSIBuffer(), ParseEscapeANSI(), PrintBuffer(), and TANSIParser().

iSavedAttributes

unsigned char TANSIParser::iSavedAttributes

private

Definition at line 47 of file ansiprsr.h.

Referenced by ParseEscape(), and TANSIParser().

iSavedCurX

int TANSIParser::iSavedCurX

private

Definition at line 45 of file ansiprsr.h.

Referenced by Init(), ParseEscape(), ParseEscapeANSI(), and SaveCurX().

iSavedCurY

int TANSIParser::iSavedCurY

private

Definition at line 46 of file ansiprsr.h.

Referenced by Init(), ParseEscape(), ParseEscapeANSI(), and SaveCurY().

last_char

char TANSIParser::last_char

private

Definition at line 55 of file ansiprsr.h.

Referenced by ParseANSIBuffer(), and ParseEscapeANSI().

map_G0

char TANSIParser::map_G0

private

Definition at line 57 of file ansiprsr.h.

Referenced by ConSetAttribute(), Init(), ParseANSIBuffer(), and ParseEscape().

map_G1

char TANSIParser::map_G1

private

Definition at line 57 of file ansiprsr.h.

Referenced by ConSetAttribute(), Init(), ParseANSIBuffer(), and ParseEscape().

mteRegionXF

short int TANSIParser::mteRegionXF

private

Definition at line 31 of file ansiprsr.h.

mteRegionYF

short int TANSIParser::mteRegionYF

private

Definition at line 31 of file ansiprsr.h.

newline_mode

bool TANSIParser::newline_mode

private

Definition at line 63 of file ansiprsr.h.

Referenced by Init(), ParseANSIBuffer(), and ParseEscapeANSI().

print_ctrl

bool TANSIParser::print_ctrl

private

Definition at line 60 of file ansiprsr.h.

Referenced by ConSetAttribute(), Init(), ParseANSIBuffer(), and ParseEscapeANSI().

printfile

FILE* TANSIParser::printfile

private

Definition at line 51 of file ansiprsr.h.

Referenced by ParseEscapeANSI(), PrintBuffer(), TANSIParser(), and ~TANSIParser().

tab_stops

int TANSIParser::tab_stops[MAX_TAB_POSITIONS]

private

Definition at line 65 of file ansiprsr.h.

Referenced by ParseANSIBuffer(), ParseEscape(), ParseEscapeANSI(), and resetTabStops().

vt52_mode

bool TANSIParser::vt52_mode

private

Definition at line 59 of file ansiprsr.h.

Referenced by Init(), ParseEscape(), and ParseEscapeANSI().

---

The documentation for this class was generated from the following files:

• base/applications/network/telnet/src/ansiprsr.h
• base/applications/network/telnet/src/ansiprsr.cpp