/*--------------------------------------------------------------------------*/
void newLine(void)
{
reallocLineBuffer();
cur_line[0] = '\0';
cur_pos = 0;
max_pos = 0;
}
/*--------------------------------------------------------------------------*/
void moveEndLine(void)
{
reallocLineBuffer();
while (cur_pos < max_pos)
{
TerminalPutc (cur_line[cur_pos]);
cur_pos += 1;
}
}
/*--------------------------------------------------------------------------*/
void killCurrentPositionToEndLine(void)
{
int i = 0;
reallocLineBuffer();
for (i = cur_pos; i < max_pos; i++) cur_line[i] = '\0';
for (i = cur_pos; i < max_pos; i++) TerminalPutc(VK_SPACE);
for (i = cur_pos; i < max_pos; i++) backSpace ();
max_pos = cur_pos;
}
/*--------------------------------------------------------------------------*/
char *getLineBeforeCaret(void)
{
char *line = NULL;
reallocLineBuffer();
line = os_strdup(cur_line);
line[cur_pos] = '\0';
return line;
}
/*--------------------------------------------------------------------------*/
void moveBackSingleChar(void)
{
reallocLineBuffer();
if (cur_pos > 0)
{
cur_pos -= 1;
backSpace();
}
}
/*--------------------------------------------------------------------------*/
void moveForwardSingleChar(void)
{
reallocLineBuffer();
if (cur_pos < max_pos)
{
TerminalPutc(cur_line[cur_pos]);
cur_pos += 1;
}
}
/*--------------------------------------------------------------------------*/
void moveBeginningLine(void)
{
reallocLineBuffer();
while (cur_pos > 0)
{
cur_pos -= 1;
backSpace();
}
}
/*--------------------------------------------------------------------------*/
void copyLine(char *line)
{
reallocLineBuffer();
if (line)
{
TerminalPrintf(line);
CharToOem(line, cur_line);
cur_pos = max_pos = (int)strlen (cur_line);
}
}
/*--------------------------------------------------------------------------*/
char *getCurrentLine(void)
{
char *line = NULL;
reallocLineBuffer();
cur_line[max_pos + 1] = '\0';
line = strdup_windows(cur_line);
if (line) OemToChar(cur_line, line);
return line;
}
/*--------------------------------------------------------------------------*/
void deletePreviousChar(void)
{
reallocLineBuffer();
if (cur_pos > 0)
{
int i = 0;
cur_pos -= 1;
backSpace ();
for (i = cur_pos; i < max_pos; i++) cur_line[i] = cur_line[i + 1];
max_pos -= 1;
refreshLine();
}
else TerminalBeep();
}
/*--------------------------------------------------------------------------*/
static void backSpace(void)
{
int X = 0, Y = 0;
reallocLineBuffer();
TermGetPosition(&X, &Y);
if ( (X - 1) < 0 )
{
X = getXConsoleScreenSize();
Y = Y - 1;
TermSetPosition(X, Y);
}
else TerminalPutc(VK_BACK);
}
/*--------------------------------------------------------------------------*/
char *getCurrentLine(void)
{
char *line = NULL;
reallocLineBuffer();
cur_line[max_pos + 1] = '\0';
line = os_strdup(cur_line);
if (line)
{
OemToChar(cur_line, line);
}
return line;
}
/*--------------------------------------------------------------------------*/
void moveForwardSingleWord(void)
{
reallocLineBuffer();
while ( !isspace(cur_line[cur_pos]) && (cur_pos < max_pos) )
{
TerminalPutc(cur_line[cur_pos]);
cur_pos++;
}
while ( isspace(cur_line[cur_pos]) && (cur_pos < max_pos) )
{
TerminalPutc(cur_line[cur_pos]);
cur_pos++;
}
refreshLine();
}
/*--------------------------------------------------------------------------*/
void moveBackSingleWord(void)
{
reallocLineBuffer();
while ((cur_pos > 0) && (isspace(cur_line[cur_pos - 1]) ))
{
cur_pos -= 1;
backSpace ();
}
while ((cur_pos > 0) && ( !isspace(cur_line[cur_pos - 1]) ))
{
cur_pos -= 1;
backSpace ();
}
refreshLine();
}
/*--------------------------------------------------------------------------*/
void refreshLine(void)
{
int i = 0;
reallocLineBuffer();
/* write tail of string */
for (i = cur_pos; i < max_pos; i++) TerminalPutc(cur_line[i]);
/* write a space at the end of the line in case we deleted one */
TerminalPutc(VK_SPACE);
/* backup to original position */
for (i = max_pos + 1; i > cur_pos; i--) backSpace ();
}
/*--------------------------------------------------------------------------*/
char *getLineAfterCaret(void)
{
char *line = NULL;
reallocLineBuffer();
if (cur_pos != max_pos)
{
line = os_strdup(&cur_line[cur_pos]);
line[(max_pos - cur_pos) + 1] = '\0';
}
else
{
line = os_strdup("");
}
return line;
}
/*--------------------------------------------------------------------------*/
void addCharacterCurrentLine(unsigned char ch)
{
int i = 0;
reallocLineBuffer();
for (i = max_pos; i > cur_pos; i--) cur_line[i] = cur_line[i - 1];
cur_line[cur_pos] = ch;
cur_pos += 1;
max_pos += 1;
cur_line[max_pos] = '\0';
setSearchedTokenInScilabHistory(cur_line);
if (cur_pos < max_pos) refreshLine();
}
/*--------------------------------------------------------------------------*/
void clearCurrentLine(void)
{
int i = 0;
reallocLineBuffer();
for (i = 0; i < max_pos; i++) cur_line[i] = '\0';
moveBeginningLine();
for (i = 0; i < max_pos; i++) TerminalPutc(VK_SPACE);
TerminalPutc('\r');
displayPrompt();
newLine();
}
/*--------------------------------------------------------------------------*/
void killLastWord(void)
{
reallocLineBuffer();
while ((cur_pos > 0) && (cur_line[cur_pos - 1] == VK_SPACE))
{
cur_pos -= 1;
backSpace ();
}
while ((cur_pos > 0) && (cur_line[cur_pos - 1] != VK_SPACE))
{
cur_pos -= 1;
backSpace ();
}
killCurrentPositionToEndLine();
}
/*--------------------------------------------------------------------------*/
void deleteCurrentChar(void)
{
reallocLineBuffer();
if (max_pos == 0)
{
TerminalBeep();
}
else
{
if (cur_pos < max_pos)
{
int i =0;
for (i = cur_pos; i < max_pos; i++) cur_line[i] = cur_line[i + 1];
max_pos -= 1;
refreshLine();
}
}
}
/*--------------------------------------------------------------------------*/
void moveForwardHistory(void)
{
char *newline = NULL;
reallocLineBuffer();
cur_line[max_pos + 1] = '\0';
if (cur_line[0] == '\0')
{
resetSearchedTokenInScilabHistory();
setSearchedTokenInScilabHistory(NULL);
}
newline = getNextLineInScilabHistory();
if (newline)
{
clearCurrentLine();
copyLine(newline);
FREE(newline);
newline = NULL;
}
}
