static int org_find_heading(EditState *s, int offset, int *level, int silent)
{
int offset1, nb, c;
offset = eb_goto_bol(s->b, offset);
for (;;) {
/* Find line starting with '*' */
/* XXX: should ignore blocks using colorstate */
if (eb_nextc(s->b, offset, &offset1) == '*') {
for (nb = 1; (c = eb_nextc(s->b, offset1, &offset1)) == '*'; nb++)
continue;
if (c == ' ') {
*level = nb;
return offset;
}
}
if (offset == 0)
break;
offset = eb_prev_line(s->b, offset);
}
if (!silent)
put_status(s, "Before first heading");
return -1;
}
static int shell_get_colorized_line(EditState *e,
unsigned int *buf, int buf_size,
int offset, int line_num)
{
EditBuffer *b = e->b;
ShellState *s = b->priv_data;
EditBuffer *b_color = s->b_color;
int color, offset1, c;
unsigned int *buf_ptr, *buf_end;
unsigned char buf1[1];
/* record line */
buf_ptr = buf;
buf_end = buf + buf_size;
for (;;) {
eb_read(b_color, offset, buf1, 1);
color = buf1[0];
c = eb_nextc(b, offset, &offset1);
if (c == '\n')
break;
if (buf_ptr < buf_end) {
/* XXX: test */
if (color != s->def_color) {
c |= (QE_STYLE_TTY | color) << STYLE_SHIFT;
}
*buf_ptr++ = c;
}
offset = offset1;
}
return buf_ptr - buf;
}
/* XXX: optimize !!!!! */
static void tty_gotoxy(ShellState *s, int x, int y)
{
int total_lines, line_num, col_num, offset, offset1, c;
unsigned char buf1[10];
/* compute offset */
eb_get_pos(s->b, &total_lines, &col_num, s->b->total_size);
line_num = total_lines - TTY_YSIZE;
if (line_num < 0)
line_num = 0;
line_num += y;
/* add lines if necessary */
while (line_num >= total_lines) {
buf1[0] = '\n';
eb_insert(s->b, s->b->total_size, buf1, 1);
total_lines++;
}
offset = eb_goto_pos(s->b, line_num, 0);
for(;x > 0; x--) {
c = eb_nextc(s->b, offset, &offset1);
if (c == '\n') {
buf1[0] = ' ';
for(;x > 0; x--) {
eb_insert(s->b, offset, buf1, 1);
}
break;
} else {
offset = offset1;
}
}
s->cur_offset = offset;
}
int eb_next_line(EditBuffer *b, int offset)
{
int c;
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n')
break;
}
return offset;
}
int eb_is_empty_line(EditBuffer *b, int offset)
{
int c;
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n')
return 1;
if (!isspace(c))
break;
}
return 0;
}
static int org_prev_heading(EditState *s, int offset, int target, int *level)
{
int offset1, nb, c;
for (;;) {
if (offset == 0) {
nb = 0;
break;
}
offset = eb_prev_line(s->b, offset);
/* XXX: should ignore blocks using colorstate */
if (eb_nextc(s->b, offset, &offset1) == '*') {
for (nb = 1; (c = eb_nextc(s->b, offset1, &offset1)) == '*'; nb++)
continue;
if (c == ' ' && nb <= target) {
break;
}
}
}
if (level)
*level = nb;
return offset;
}
int eb_goto_pos(EditBuffer *b, int line1, int col1)
{
Page *p, *p_end;
int line2, col2, line, col, offset, offset1;
u8 *q, *q_end;
line = 0;
col = 0;
offset = 0;
p = b->page_table;
p_end = b->page_table + b->nb_pages;
while (p < p_end) {
if (!(p->flags & PG_VALID_POS)) {
p->flags |= PG_VALID_POS;
get_pos(p->data, p->size, &p->nb_lines, &p->col,
&b->charset_state);
}
line2 = line + p->nb_lines;
if (p->nb_lines)
col2 = 0;
col2 = col + p->col;
if (line2 > line1 || (line2 == line1 && col2 >= col1)) {
/* compute offset */
q = p->data;
q_end = p->data + p->size;
/* seek to the correct line */
while (line < line1) {
col = 0;
q = memchr(q, '\n', q_end - q);
q++;
line++;
}
/* test if we want to go after the end of the line */
offset += q - p->data;
while (col < col1 && eb_nextc(b, offset, &offset1) != '\n') {
col++;
offset = offset1;
}
return offset;
}
line = line2;
col = col2;
offset += p->size;
p++;
}
return b->total_size;
}
/* get the line starting at offset 'offset' */
int eb_get_line(EditBuffer *b, unsigned int *buf, int buf_size,
int *offset_ptr)
{
int c;
unsigned int *buf_ptr, *buf_end;
int offset;
offset = *offset_ptr;
/* record line */
buf_ptr = buf;
buf_end = buf + buf_size;
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n')
break;
if (buf_ptr < buf_end)
*buf_ptr++ = c;
}
*offset_ptr = offset;
return buf_ptr - buf;
}
static int xml_parse_internal(XMLState *s, const char *buf_start, int buf_len,
EditBuffer *b, int offset_start)
{
int ch, offset, offset0, text_offset_start, ret, offset_end;
const char *buf_end, *buf;
buf = buf_start;
buf_end = buf + buf_len;
offset = offset_start;
offset_end = offset_start + buf_len;
offset0 = 0; /* not used */
text_offset_start = 0; /* not used */
for (;;) {
if (buf) {
if (buf >= buf_end)
break;
ch = charset_decode(&s->charset_state, &buf);
} else {
if (offset >= offset_end)
break;
offset0 = offset;
ch = eb_nextc(b, offset, &offset);
}
/* increment line number to signal errors */
if (ch == '\n') {
/* well, should add counter, but we test abort here */
if (s->abort_func(s->abort_opaque))
return -1;
s->line_num++;
}
switch (s->state) {
case XML_STATE_TAG:
if (ch == '>') {
strbuf_addch(&s->str, '\0');
ret = parse_tag(s, (char *)s->str.buf);
switch (ret) {
default:
case XML_STATE_TEXT:
xml_text:
strbuf_reset(&s->str);
s->state = XML_STATE_TEXT;
text_offset_start = offset;
break;
case XML_STATE_PRETAG:
strbuf_reset(&s->str);
s->state = XML_STATE_PRETAG;
text_offset_start = offset;
break;
}
} else {
strbuf_addch(&s->str, ch);
/* test comment */
if (s->str.size == 3 &&
s->str.buf[0] == '!' &&
s->str.buf[1] == '-' &&
s->str.buf[2] == '-') {
s->state = XML_STATE_COMMENT;
}
}
break;
case XML_STATE_TEXT:
if (ch == '<') {
/* XXX: not strictly correct with comments : should
not flush if comment */
if (buf) {
strbuf_addch(&s->str, '\0');
flush_text(s, (char *)s->str.buf);
strbuf_reset(&s->str);
} else {
flush_text_buffer(s, text_offset_start, offset0);
}
s->state = XML_STATE_TAG;
} else {
if (buf) {
/* evaluate entities */
if (ch == '&') {
buf--;
ch = parse_entity(&buf);
}
strbuf_addch(&s->str, ch);
}
}
break;
case XML_STATE_COMMENT:
if (ch == '-')
s->state = XML_STATE_COMMENT1;
break;
case XML_STATE_COMMENT1:
if (ch == '-')
s->state = XML_STATE_COMMENT2;
else
s->state = XML_STATE_COMMENT;
break;
case XML_STATE_COMMENT2:
if (ch == '>') {
goto xml_text;
} else if (ch != '-') {
s->state = XML_STATE_COMMENT;
}
break;
case XML_STATE_PRETAG:
{
int len, taglen;
strbuf_addch(&s->str, ch);
taglen = s->pretaglen + 2;
len = s->str.size - taglen;
if (len >= 0 &&
s->str.buf[len] == '<' &&
s->str.buf[len + 1] == '/' &&
!xml_tagcmp((char *)s->str.buf + len + 2, s->pretag)) {
s->str.buf[len] = '\0';
if (!xml_tagcmp(s->pretag, "style")) {
if (s->style_sheet) {
CSSParseState b1, *b = &b1;
b->ptr = (char *)s->str.buf;
b->line_num = s->line_num; /* XXX: incorrect */
b->filename = s->filename;
b->ignore_case = s->ignore_case;
css_parse_style_sheet(s->style_sheet, b);
}
} else if (!xml_tagcmp(s->pretag, "script")) {
/* XXX: handle script */
} else {
/* just add the content */
if (buf) {
flush_text(s, (char *)s->str.buf);
} else {
/* XXX: would be incorrect if non ascii chars */
flush_text_buffer(s, text_offset_start, offset - taglen);
}
strbuf_reset(&s->str);
if (s->box)
s->box = s->box->parent;
}
s->state = XML_STATE_WAIT_EOT;
}
}
break;
case XML_STATE_WAIT_EOT:
/* wait end of tag */
if (ch == '>')
goto xml_text;
break;
}
}
return buf - buf_start;
}
static void tty_emulate(ShellState *s, int c)
{
int i, offset, offset1, offset2, n;
char buf1[10];
#define ESC2(c1,c2) (((c1)<<8)|((unsigned char)c2))
/* some bytes are state independent */
switch (c) {
case 0x18:
case 0x1A:
s->state = TTY_STATE_NORM;
return;
case 0x1B:
s->state = TTY_STATE_ESC;
return;
#if 0
case 0x9B:
goto csi_entry;
#endif
}
switch (s->state) {
case TTY_STATE_NORM:
switch (c) {
/* BEL Bell (Ctrl-G) */
/* FF Form Feed or New Page (NP) (Ctrl-L) same as LF */
/* TAB Horizontal Tab (HT) (Ctrl-I) */
/* VT Vertical Tab (Ctrl-K) same as LF */
case 8: /* ^H BS = backspace */
{
int c1;
c1 = eb_prevc(s->b, s->cur_offset, &offset);
if (c1 != '\n')
s->cur_offset = offset;
}
break;
case 10: /* ^J NL = line feed */
/* go to next line */
/* CG: should check if column should be kept */
offset = s->cur_offset;
for (;;) {
if (offset == s->b->total_size) {
/* add a new line */
buf1[0] = '\n';
eb_insert(s->b, offset, buf1, 1);
offset = s->b->total_size;
break;
}
c = eb_nextc(s->b, offset, &offset);
if (c == '\n')
break;
}
s->cur_offset = offset;
break;
case 13: /* ^M CR = carriage return */
/* move to bol */
for (;;) {
c = eb_prevc(s->b, s->cur_offset, &offset1);
if (c == '\n')
break;
s->cur_offset = offset1;
}
break;
case 14: /* ^N SO = shift out */
s->shifted = 1;
break;
case 15: /* ^O SI = shift in */
s->shifted = 0;
break;
default:
if (c >= 32 || c == 9) {
int c1, cur_len, len;
/* CG: assuming ISO-8859-1 characters */
/* CG: horrible kludge for alternate charset support */
if (s->shifted && c >= 96 && c < 128)
c += 32;
/* write char (should factorize with do_char() code */
len = unicode_to_charset(buf1, c, s->b->charset);
c1 = eb_nextc(s->b, s->cur_offset, &offset);
/* XXX: handle tab case */
if (c1 == '\n') {
/* insert */
eb_insert(s->b, s->cur_offset, buf1, len);
} else {
cur_len = offset - s->cur_offset;
if (cur_len == len) {
eb_write(s->b, s->cur_offset, buf1, len);
} else {
eb_delete(s->b, s->cur_offset, cur_len);
eb_insert(s->b, s->cur_offset, buf1, len);
}
}
s->cur_offset += len;
}
break;
}
break;
case TTY_STATE_ESC:
if (c == '[') {
for (i = 0; i < MAX_ESC_PARAMS; i++) {
s->esc_params[i] = 0;
s->has_params[i] = 0;
}
s->nb_esc_params = 0;
s->esc1 = 0;
s->state = TTY_STATE_CSI;
} else {
/* CG: should deal with other sequences:
* ansi: hts=\EH, s0ds=\E(B, s1ds=\E)B, s2ds=\E*B, s3ds=\E+B,
* linux: hts=\EH, rc=\E8, ri=\EM, rs1=\Ec\E]R, sc=\E7,
* vt100: enacs=\E(B\E)0, hts=\EH, rc=\E8, ri=\EM$<5>,
* rmkx=\E[?1l\E>,
* rs2=\E>\E[?3l\E[?4l\E[?5l\E[?7h\E[?8h, sc=\E7,
* smkx=\E[?1h\E=,
* xterm: enacs=\E(B\E)0, hts=\EH, is2=\E[!p\E[?3;4l\E[4l\E>,
* rc=\E8, ri=\EM, rmkx=\E[?1l\E>, rs1=\Ec,
* rs2=\E[!p\E[?3;4l\E[4l\E>, sc=\E7, smkx=\E[?1h\E=,
*/
switch (c) {
case '(':
case ')':
case '*':
case '+':
case ']':
s->esc1 = c;
s->state = TTY_STATE_ESC2;
break;
case 'H': // hts
case '7': // sc
case '8': // rc
case 'M': // ri
case 'c': // rs1
case '>': // rmkx, is2, rs2
case '=': // smkx
// XXX: do these
default:
s->state = TTY_STATE_NORM;
break;
}
}
break;
case TTY_STATE_ESC2:
s->state = TTY_STATE_NORM;
switch (ESC2(s->esc1, c)) {
case ESC2('(','B'):
case ESC2(')','B'):
case ESC2('(','0'):
case ESC2(')','0'):
case ESC2('*','B'):
case ESC2('+','B'):
case ESC2(']','R'):
/* XXX: ??? */
break;
}
break;
case TTY_STATE_CSI:
if (c == '?') {
s->esc1 = c;
break;
}
if (c >= '0' && c <= '9') {
if (s->nb_esc_params < MAX_ESC_PARAMS) {
s->esc_params[s->nb_esc_params] =
s->esc_params[s->nb_esc_params] * 10 + c - '0';
s->has_params[s->nb_esc_params] = 1;
}
} else {
s->nb_esc_params++;
if (c == ';')
break;
s->state = TTY_STATE_NORM;
switch (ESC2(s->esc1,c)) {
case ESC2('?','h'): /* set terminal mode */
/* 1047, 1048 -> cup mode:
* xterm 1049 private mode,
* should grab all keys while active!
*/
if (s->esc_params[0] == 1047 ||
s->esc_params[0] == 1048 ||
s->esc_params[0] == 1049) {
s->grab_keys = 1;
qe_grab_keys(shell_key, s);
/* Should also clear screen */
}
break;
case ESC2('?','l'): /* reset terminal mode */
if (s->esc_params[0] == 1047 ||
s->esc_params[0] == 1048 ||
s->esc_params[0] == 1049) {
qe_ungrab_keys();
s->grab_keys = 0;
}
break;
case 'A':
/* move relative up */
tty_gotoxy(s, 0, -(s->esc_params[0] + 1 - s->has_params[0]), 1);
break;
case 'B':
/* move relative down */
tty_gotoxy(s, 0, (s->esc_params[0] + 1 - s->has_params[0]), 1);
break;
case 'C':
/* move relative forward */
tty_gotoxy(s, (s->esc_params[0] + 1 - s->has_params[0]), 0, 1);
break;
case 'D':
/* move relative backward */
tty_gotoxy(s, -(s->esc_params[0] + 1 - s->has_params[0]), 0, 1);
break;
case 'H':
/* goto xy */
tty_gotoxy(s, s->esc_params[1] - s->has_params[1],
s->esc_params[0] - s->has_params[0], 0);
break;
case 'J': /* clear to end of screen */
case 'L': /* insert lines */
case 'M': /* delete lines */
case 'S': /* scroll forward P lines */
case 'T': /* scroll back P lines */
case 'X': /* erase P characters */
break;
case 'K': /* clear eol (parm=1 -> bol) */
offset1 = s->cur_offset;
for (;;) {
c = eb_nextc(s->b, offset1, &offset2);
if (c == '\n')
break;
offset1 = offset2;
}
eb_delete(s->b, s->cur_offset, offset1 - s->cur_offset);
break;
case 'P':
/* delete chars */
n = s->esc_params[0];
if (n <= 0)
n = 1;
offset1 = s->cur_offset;
for (; n > 0; n--) {
c = eb_nextc(s->b, offset1, &offset2);
if (c == '\n')
break;
offset1 = offset2;
}
eb_delete(s->b, s->cur_offset, offset1 - s->cur_offset);
break;
case '@':
/* insert chars */
n = s->esc_params[0];
if (n <= 0)
n = 1;
buf1[0] = ' ';
for (; n > 0; n--) {
eb_insert(s->b, s->cur_offset, buf1, 1);
}
break;
case 'm':
/* colors */
n = s->nb_esc_params;
if (n == 0)
n = 1;
for (i = 0; i < n; i++)
tty_csi_m(s, s->esc_params[i]);
break;
case 'n':
if (s->esc_params[0] == 6) {
/* XXX: send cursor position, just to be able to
launch qemacs in qemacs (in 8859-1) ! */
char buf2[20];
snprintf(buf2, sizeof(buf2), "\033[%d;%dR", 1, 1);
tty_write(s, buf2, -1);
}
break;
default:
break;
}
}
break;
}
#undef ESC2
tty_update_cursor(s);
}
static void do_compile_error(EditState *s, int dir)
{
QEmacsState *qs = s->qe_state;
EditState *e;
EditBuffer *b;
int offset, offset1, found_offset;
char filename[MAX_FILENAME_SIZE], *q;
int line_num, c;
/* CG: should have a buffer flag for error source.
* first check if current buffer is an error source.
* if not, then scan for appropriate error source
* in buffer least recently used order
*/
if ((b = eb_find("*compilation*")) == NULL
&& (b = eb_find("*shell*")) == NULL
&& (b = eb_find("*errors*")) == NULL) {
put_status(s, "No compilation buffer");
return;
}
/* find next/prev error */
offset = error_offset;
if (offset < 0) {
offset = 0;
goto find_error;
}
for (;;) {
if (dir > 0) {
if (offset >= b->total_size) {
put_status(s, "No more errors");
return;
}
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n')
break;
}
} else {
if (offset <= 0) {
put_status(s, "No previous error");
return;
}
eb_prevc(b, offset, &offset);
for (;;) {
c = eb_prevc(b, offset, &offset1);
if (c == '\n')
break;
offset = offset1;
}
}
find_error:
found_offset = offset;
/* extract filename */
q = filename;
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n' || c == '\t' || c == ' ')
goto next_line;
if (c == ':')
break;
if ((q - filename) < (int)sizeof(filename) - 1)
*q++ = c;
}
*q = '\0';
/* extract line number */
line_num = 0;
for (;;) {
c = eb_nextc(b, offset, &offset);
if (c == ':')
break;
if (!isdigit(c))
goto next_line;
line_num = line_num * 10 + c - '0';
}
if (line_num >= 1) {
if (line_num != last_line_num ||
strcmp(filename, last_filename) != 0) {
last_line_num = line_num;
pstrcpy(last_filename, sizeof(last_filename), filename);
break;
}
}
next_line:
offset = found_offset;
}
error_offset = found_offset;
/* update offsets */
for (e = qs->first_window; e != NULL; e = e->next_window) {
if (e->b == b) {
e->offset = error_offset;
}
}
/* CG: Should remove popups, sidepanes, helppanes... */
/* go to the error */
do_load(s, filename);
do_goto_line(s, line_num);
}
void hex_write_char(EditState *s, int key)
{
unsigned int cur_ch, ch;
int hsize, shift, cur_len, len, h;
char buf[10];
if (s->hex_mode) {
if (s->unihex_mode)
hsize = 4;
else
hsize = 2;
h = to_hex(key);
if (h < 0)
return;
if (s->insert && s->hex_nibble == 0) {
ch = h << ((hsize - 1) * 4);
if (s->unihex_mode) {
len = unicode_to_charset(buf, ch, s->b->charset);
} else {
len = 1;
buf[0] = ch;
}
eb_insert(s->b, s->offset, buf, len);
} else {
if (s->unihex_mode) {
cur_ch = eb_nextc(s->b, s->offset, &cur_len);
cur_len -= s->offset;
} else {
eb_read(s->b, s->offset, buf, 1);
cur_ch = buf[0];
cur_len = 1;
}
shift = (hsize - s->hex_nibble - 1) * 4;
ch = (cur_ch & ~(0xf << shift)) | (h << shift);
if (s->unihex_mode) {
len = unicode_to_charset(buf, ch, s->b->charset);
} else {
len = 1;
buf[0] = ch;
}
#if 1
eb_replace(s->b, s->offset, cur_len, buf, len);
#else
if (cur_len == len) {
eb_write(s->b, s->offset, buf, len);
} else {
eb_delete(s->b, s->offset, cur_len);
eb_insert(s->b, s->offset, buf, len);
}
#endif
}
if (++s->hex_nibble == hsize) {
s->hex_nibble = 0;
if (s->offset < s->b->total_size)
s->offset += len;
}
} else {
text_write_char(s, key);
}
}
static void do_compile_error(EditState *s, int dir)
{
QEmacsState *qs = &qe_state;
EditState *e;
EditBuffer *b;
int offset, offset1, found_offset;
char filename[1024], *q;
int line_num, c;
b = eb_find("*compilation*");
if (!b) {
b = eb_find("*shell*");
if (!b) {
put_status(s, "No compilation buffer");
return;
}
}
/* find next/prev error */
offset = error_offset;
if (offset < 0) {
offset = 0;
goto find_error;
}
for(;;) {
if (dir > 0) {
if (offset >= b->total_size) {
put_status(s, "No more errors");
return;
}
for(;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n')
break;
}
} else {
if (offset <= 0) {
put_status(s, "No previous error");
return;
}
eb_prevc(b, offset, &offset);
for(;;) {
c = eb_prevc(b, offset, &offset1);
if (c == '\n')
break;
offset = offset1;
}
}
find_error:
found_offset = offset;
/* extract filename */
q = filename;
for(;;) {
c = eb_nextc(b, offset, &offset);
if (c == '\n' || c == '\t' || c == ' ')
goto next_line;
if (c == ':')
break;
if ((q - filename) < sizeof(filename) - 1)
*q++ = c;
}
*q = '\0';
/* extract line number */
line_num = 0;
for(;;) {
c = eb_nextc(b, offset, &offset);
if (c == ':')
break;
if (!isdigit(c))
goto next_line;
line_num = line_num * 10 + c - '0';
}
if (line_num >= 1) {
if (line_num != last_line_num ||
strcmp(filename, last_filename) != 0) {
last_line_num = line_num;
pstrcpy(last_filename, sizeof(last_filename), filename);
break;
}
}
next_line:
offset = found_offset;
}
error_offset = found_offset;
/* update offsets */
for(e = qs->first_window; e != NULL; e = e->next_window) {
if (e->b == b) {
e->offset = error_offset;
}
}
/* go to the error */
do_load(s, filename);
do_goto_line(s, line_num);
}
static void tty_emulate(ShellState *s, int c)
{
int i, offset, offset1, offset2, n;
unsigned char buf1[10];
switch(s->state) {
case TTY_STATE_NORM:
switch(c) {
case 8:
{
int c1;
c1 = eb_prevc(s->b, s->cur_offset, &offset);
if (c1 != '\n')
s->cur_offset = offset;
}
break;
case 10:
/* go to next line */
offset = s->cur_offset;
for(;;) {
if (offset == s->b->total_size) {
/* add a new line */
buf1[0] = '\n';
eb_insert(s->b, offset, buf1, 1);
offset = s->b->total_size;
break;
}
c = eb_nextc(s->b, offset, &offset);
if (c == '\n')
break;
}
s->cur_offset = offset;
break;
case 13:
/* move to bol */
for(;;) {
c = eb_prevc(s->b, s->cur_offset, &offset1);
if (c == '\n')
break;
s->cur_offset = offset1;
}
break;
case 27:
s->state = TTY_STATE_ESC;
break;
default:
if (c >= 32 || c == 9) {
int c1, cur_len, len;
/* write char (should factorize with do_char() code */
len = unicode_to_charset(buf1, c, s->b->charset);
c1 = eb_nextc(s->b, s->cur_offset, &offset);
/* XXX: handle tab case */
if (c1 == '\n') {
/* insert */
eb_insert(s->b, s->cur_offset, buf1, len);
} else {
cur_len = offset - s->cur_offset;
if (cur_len == len) {
eb_write(s->b, s->cur_offset, buf1, len);
} else {
eb_delete(s->b, s->cur_offset, cur_len);
eb_insert(s->b, s->cur_offset, buf1, len);
}
}
s->cur_offset += len;
}
break;
}
break;
case TTY_STATE_ESC:
if (c == '[') {
for(i=0;i<MAX_ESC_PARAMS;i++)
s->esc_params[i] = 0;
s->nb_esc_params = 0;
s->state = TTY_STATE_CSI;
} else {
s->state = TTY_STATE_NORM;
}
break;
case TTY_STATE_CSI:
if (c >= '0' && c <= '9') {
if (s->nb_esc_params < MAX_ESC_PARAMS) {
s->esc_params[s->nb_esc_params] =
s->esc_params[s->nb_esc_params] * 10 + c - '0';
}
} else {
s->nb_esc_params++;
if (c == ';')
break;
s->state = TTY_STATE_NORM;
switch(c) {
case 'H':
/* goto xy */
{
int x, y;
y = s->esc_params[0] - 1;
x = s->esc_params[1] - 1;
if (y < 0)
y = 0;
else if (y >= TTY_YSIZE)
y = TTY_YSIZE - 1;
if (x < 0)
x = 0;
tty_gotoxy(s, x, y);
}
break;
case 'K':
/* clear to eol */
offset1 = s->cur_offset;
for(;;) {
c = eb_nextc(s->b, offset1, &offset2);
if (c == '\n')
break;
offset1 = offset2;
}
eb_delete(s->b, s->cur_offset, offset1 - s->cur_offset);
break;
case 'P':
/* delete chars */
n = s->esc_params[0];
if (n <= 0)
n = 1;
offset1 = s->cur_offset;
for(;n > 0;n--) {
c = eb_nextc(s->b, offset1, &offset2);
if (c == '\n')
break;
offset1 = offset2;
}
eb_delete(s->b, s->cur_offset, offset1 - s->cur_offset);
break;
case '@':
/* insert chars */
n = s->esc_params[0];
if (n <= 0)
n = 1;
buf1[0] = ' ';
for(;n > 0;n--) {
eb_insert(s->b, s->cur_offset, buf1, 1);
}
break;
case 'm':
/* colors */
n = s->nb_esc_params;
if (n == 0)
n = 1;
for(i=0;i<n;i++)
tty_csi_m(s, s->esc_params[i]);
break;
case 'n':
if (s->esc_params[0] == 6) {
/* XXX: send cursor position, just to be able to
launch qemacs in qemacs ! */
char buf2[20];
snprintf(buf2, sizeof(buf2), "\033[%d;%dR", 1, 1);
tty_write(s, buf2, -1);
}
break;
default:
break;
}
}
break;
}
tty_update_cursor(s);
}
static int org_is_header_line(EditState *s, int offset)
{
/* Check if line starts with '*' */
/* XXX: should ignore blocks using colorstate */
return eb_nextc(s->b, eb_goto_bol(s->b, offset), &offset) == '*';
}
