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-rw-r--r--engines/glk/alan2/readline.cpp506
1 files changed, 3 insertions, 503 deletions
diff --git a/engines/glk/alan2/readline.cpp b/engines/glk/alan2/readline.cpp
index 5f1192df5a..7569721f22 100644
--- a/engines/glk/alan2/readline.cpp
+++ b/engines/glk/alan2/readline.cpp
@@ -20,14 +20,11 @@
*
*/
-#include "glk/alan2/types.h"
-
-#ifdef GLK
-
#include "glk/alan2/alan2.h"
-#include "glk/alan2/readline.h"
-#include "glk/alan2/main.h"
+#include "glk/alan2/types.h"
#include "glk/alan2/glkio.h"
+#include "glk/alan2/main.h"
+#include "glk/alan2/readline.h"
namespace Glk {
namespace Alan2 {
@@ -65,500 +62,3 @@ Boolean readline(char usrbuf[])
} // End of namespace Alan2
} // End of namespace Glk
-#else
-
-#include "glk/alan2/sysdep.h"
-
-#ifdef HAVE_TERMIO
-#include <termios.h>
-#endif
-
-#ifdef __PACIFIC__
-#include <unixio.h>
-#else
-//#include <unistd.h>
-#endif
-
-#include "glk/alan2/readline.h"
-
-#include "glk/alan2/main.h"
-
-namespace Glk {
-namespace Alan2 {
-
-#ifdef HAVE_TERMIO
-/*----------------------------------------------------------------------*\
-
- termio handling
-
-\*----------------------------------------------------------------------*/
-
-static struct termios term;
-
-static void newtermio()
-{
- struct termios newterm;
- tcgetattr(0, &term);
- newterm=term;
- newterm.c_lflag&=~(ECHO|ICANON);
- newterm.c_cc[VMIN]=1;
- newterm.c_cc[VTIME]=0;
- tcsetattr(0, TCSANOW, &newterm);
-}
-
-static void restoretermio()
-{
- tcsetattr(0, TCSANOW, &term);
-}
-
-#endif
-
-
-/*----------------------------------------------------------------------*\
-
- Global character buffers etc.
-
-\*----------------------------------------------------------------------*/
-
-static unsigned char buffer[LINELENGTH+1];
-static int bufidx;
-
-static unsigned char *history[HISTORYLENGTH];
-static int histidx; /* Index where to store next history */
-static int histp; /* Points to the history recalled last */
-
-static unsigned char ch;
-static int endOfInput = 0;
-static Boolean change;
-static Boolean insert = TRUE;
-
-
-/*----------------------------------------------------------------------*\
-
- Character map types and maps
-
-\*----------------------------------------------------------------------*/
-
-typedef struct {unsigned char min, max; void (*hook)(char ch);} KeyMap;
-
-/* Forward declaration of hooks */
-static void escHook(char ch);
-static void insertCh(char ch);
-static void arrowHook(char ch);
-static void upArrow(char ch);
-static void downArrow(char ch);
-static void rightArrow(char ch);
-static void leftArrow(char ch);
-static void insertToggle(char ch);
-static void newLine(char ch);
-static void delFwd(char ch);
-static void delBwd(char ch);
-
-#ifdef __XXunix__
-static KeyMap keymap[] = {
- {0x00, 0x07, NULL},
- {0x08, 0x08, delBwd},
- {0x09, 0x09, NULL},
- {0x0a, 0x0a, newLine},
- {0x1b, 0x1b, escHook},
- {0x1c, 0x7e, insertCh},
- {0x7f, 0x7f, delFwd},
- {0x80, 0xff, insertCh},
- {0x00, 0x00, NULL}
-};
-
-/* I can't figure out what really coverns the esc-map characters... */
-#ifdef __solarisX__
-static KeyMap escmap[] = {
- {0x00, 0x4e, NULL},
- {0x4f, 0x4f, arrowHook},
- {0x50, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-#else
-static KeyMap escmap[] = {
- {0x00, 0x5a, NULL},
- {0x5b, 0x5b, arrowHook},
- {0x5c, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-#endif
-
-static KeyMap arrowmap[] = {
- {0x00, 0x31, NULL},
- {0x32, 0x32, insertToggle},
- {0x33, 0x40, NULL},
- {0x41, 0x41, upArrow},
- {0x42, 0x42, downArrow},
- {0x43, 0x43, rightArrow},
- {0x44, 0x44, leftArrow},
- {0x45, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-
-#endif
-
-#ifdef __win__
-static KeyMap keymap[] = {
- {0x00, 0x01, NULL},
- {0x02, 0x02, leftArrow},
- {0x03, 0x05, NULL},
- {0x06, 0x06, rightArrow},
- {0x07, 0x07, NULL},
- {0x08, 0x08, delBwd},
- {0x09, 0x09, NULL},
- {0x0a, 0x0a, newLine},
- {0x1b, 0x1b, escHook},
- {0x1c, 0x7e, insertCh},
- {0x7f, 0x7f, delFwd},
- {0x80, 0xff, insertCh},
- {0x00, 0x00, NULL}
-};
-
-static KeyMap escmap[] = {
- {0x00, 0x5a, NULL},
- {0x5b, 0x5b, arrowHook},
- {0x5c, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-
-static KeyMap arrowmap[] = {
- {0x00, 0x31, NULL},
- {0x32, 0x32, insertToggle},
- {0x33, 0x40, NULL},
- {0x41, 0x41, upArrow},
- {0x42, 0x42, downArrow},
- {0x43, 0x43, rightArrow},
- {0x44, 0x44, leftArrow},
- {0x45, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-
-#endif
-
-#ifdef __dos__
-static KeyMap keymap[] = {
- {0x00, 0x01, NULL},
- {0x02, 0x02, leftArrow},
- {0x03, 0x05, NULL},
- {0x06, 0x06, rightArrow},
- {0x07, 0x07, NULL},
- {0x08, 0x08, delBwd},
- {0x09, 0x09, NULL},
- {0x0a, 0x0a, newLine},
- {0x1b, 0x1b, escHook},
- {0x1c, 0x7e, insertCh},
- {0x7f, 0x7f, delFwd},
- {0x80, 0xff, insertCh},
- {0x00, 0x00, NULL}
-};
-
-static KeyMap escmap[] = {
- {0x00, 0x5a, NULL},
- {0x5b, 0x5b, arrowHook},
- {0x5c, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-
-static KeyMap arrowmap[] = {
- {0x00, 0x31, NULL},
- {0x32, 0x32, insertToggle},
- {0x33, 0x40, NULL},
- {0x41, 0x41, upArrow},
- {0x42, 0x42, downArrow},
- {0x43, 0x43, rightArrow},
- {0x44, 0x44, leftArrow},
- {0x45, 0xff, NULL},
- {0x00, 0x00, NULL}
-};
-
-#endif
-
-
-static void doBeep(void)
-{
- write(1, "\7", 1);
-}
-
-
-static void backspace(void)
-{
- write(1, "\b", 1);
-}
-
-
-static void erase()
-{
- int i;
-
- for (i = 0; i < bufidx; i++) backspace(); /* Backup to beginning of text */
- for (i = 0; i < strlen((char *)buffer); i++) write(1, " ", 1); /* Erase all text */
- for (i = 0; i < strlen((char *)buffer); i++) backspace(); /* Backup to beginning of text */
-}
-
-/*----------------------------------------------------------------------*\
-
- Character handling hook functions
-
-\*----------------------------------------------------------------------*/
-
-static void execute(KeyMap map[], unsigned char ch)
-{
- int i = 0;
-
- for (i = 0; i <= 256; i++) {
- if (i > 0 && map[i].min == 0x00) break; /* End marker is a 0,0,NULL */
- if (map[i].min <= ch && ch <= map[i].max) {
- if (map[i].hook != NULL) {
- map[i].hook(ch);
- return;
- } else
- doBeep();
- }
- }
- doBeep();
-}
-
-
-static void upArrow(char ch)
-{
- /* Is there more history ? */
- if (history[(histp+HISTORYLENGTH-1)%HISTORYLENGTH] == NULL ||
- (histp+HISTORYLENGTH-1)%HISTORYLENGTH == histidx) {
- write(1, "\7", 1);
- return;
- }
-
- erase();
-
- /* Backup history pointer */
- histp = (histp+HISTORYLENGTH-1)%HISTORYLENGTH;
-
- /* Copy the history and write it */
- strcpy((char *)buffer, (char *)history[histp]);
- bufidx = strlen((char *)buffer);
- write(1, (void *)buffer, strlen((char *)buffer));
-
-}
-
-
-static void downArrow(char ch)
-{
- /* Is there more history ? */
- if (histp == histidx) {
- write(1, "\7", 1);
- return;
- }
-
- erase();
-
- /* Advance history pointer */
- histp = (histp+1)%HISTORYLENGTH;
-
- /* If we are not at the most recent history entry, copy the history and write it */
- if (histp != histidx) {
- strcpy((char *)buffer, (char *)history[histp]);
- bufidx = strlen((char *)buffer);
- write(1, (void *)buffer, strlen((char *)buffer));
- } else {
- bufidx = 0;
- buffer[0] = '\0';
- }
-}
-
-
-static void rightArrow(char ch)
-{
- if (bufidx > LINELENGTH || buffer[bufidx] == '\0')
- doBeep();
- else {
- write(1, (void *)&buffer[bufidx], 1);
- bufidx++;
- }
-}
-
-
-static void leftArrow(char ch)
-{
- if (bufidx == 0)
- doBeep();
- else {
- bufidx--;
- backspace();
- }
-}
-
-
-static void insertToggle(char ch)
-{
- read(0, &ch, 1);
- if (ch != 'z')
- doBeep();
- else
- insert = !insert;
-}
-
-
-static void delBwd(char ch)
-{
- if (bufidx == 0)
- doBeep();
- else {
- int i;
-
- change = TRUE;
- backspace();
- bufidx--;
- for (i = 0; i <= strlen((char *)&buffer[bufidx+1]); i++)
- buffer[bufidx+i] = buffer[bufidx+1+i];
- write(1, (void *)&buffer[bufidx], strlen((char *)&buffer[bufidx]));
- write(1, " ", 1);
- for (i = 0; i <= strlen((char *)&buffer[bufidx]); i++) backspace();
- }
-}
-
-static void delFwd(char ch)
-{
- if (bufidx > LINELENGTH || buffer[bufidx] == '\0')
- doBeep();
- else {
- int i;
-
- change = TRUE;
- strcpy((char *)&buffer[bufidx], (char *)&buffer[bufidx+1]);
- write(1, (void *)&buffer[bufidx], strlen((char *)&buffer[bufidx]));
- write(1, " ", 1);
- for (i = 0; i <= strlen((char *)&buffer[bufidx]); i++) backspace();
- }
-}
-
-static void escHook(char ch) {
- read(0, &ch, 1);
- execute(escmap, ch);
-}
-
-static void arrowHook(char ch) {
- read(0, &ch, 1);
- execute(arrowmap, ch);
-}
-
-static void newLine(char ch)
-{
- endOfInput = 1;
- write(1, "\n", 1);
-
- /* If the input is not the same as the previous, save it in the history */
- if (change && strlen((char *)buffer) > 0) {
- if (history[histidx] == NULL)
- history[histidx] = (unsigned char *)allocate(LINELENGTH+1);
- strcpy((char *)history[histidx], (char *)buffer);
- histidx = (histidx+1)%HISTORYLENGTH;
- }
-}
-
-
-static void insertCh(char ch) {
- if (bufidx > LINELENGTH)
- doBeep();
- else {
- /* If at end advance the NULL */
- if (buffer[bufidx] == '\0')
- buffer[bufidx+1] = '\0';
- else if (insert) {
- int i;
-
- /* If insert mode is on, move the characters ahead */
- for (i = strlen((char *)buffer); i >= bufidx; i--)
- buffer[i+1] = buffer[i];
- write(1, (void *)&buffer[bufidx], strlen((char *)&buffer[bufidx]));
- for (i = strlen((char *)&buffer[bufidx]); i > 0; i--) backspace();
- }
- change = TRUE;
- buffer[bufidx] = ch;
- write(1, &ch, 1);
- bufidx++;
- }
-}
-
-
-/*----------------------------------------------------------------------
-
- echoOff()
-
- */
-static void echoOff()
-{
-#ifdef HAVE_TERMIO
- newtermio();
-#else
-#ifdef __win__
-#include <windows.h>
-#include <winbase.h>
-#include <wincon.h>
-
- DWORD handle = GetStdHandle(STD_INPUT_HANDLE);
-
- (void) SetConsoleMode(handle, 0);
-
-#endif
-#endif
-}
-
-
-/*----------------------------------------------------------------------
-
- echoOn()
-
- */
-static void echoOn()
-{
-#ifdef HAVE_TERMIO
- restoretermio();
-#else
-#ifdef __win__
-#include <windows.h>
-#include <winbase.h>
-#include <wincon.h>
-
- DWORD handle = GetStdHandle(STD_INPUT_HANDLE);
- (void) SetConsoleMode(handle, ENABLE_ECHO_INPUT);
-
-#endif
-#endif
-}
-
-
-/*======================================================================
-
- readline()
-
- Read a line from the user, with history and editing
-
- */
-
-/* 4f - length of user buffer should be used */
-Boolean readline(char usrbuf[])
-{
- fflush(stdout);
- bufidx = 0;
- histp = histidx;
- buffer[0] = '\0';
- change = TRUE;
- echoOff();
- endOfInput = 0;
- while (!endOfInput) {
- if (read(0, (void *)&ch, 1) != 1) {
- echoOn();
- return FALSE;
- }
- execute(keymap, ch);
- }
- echoOn();
- strcpy(usrbuf, (char *)buffer);
- return TRUE;
-}
-
-} // End of namespace Alan2
-} // End of namespace Glk
-
-#endif
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