char *getline_int(char *prompt)
{
int c, loc, tmp;
int sig;
gl_init();
gl_prompt = (prompt)? prompt : "";
gl_buf[0] = 0;
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, -2, BUF_SIZE);
while ((c = gl_getc()) >= 0) {
gl_extent = 0; /* reset to full extent */
if (isprint(c)) {
if (gl_search_mode)
search_addchar(c);
else
gl_addchar(c);
} else {
if (gl_search_mode) {
if (c == '\033' || c == '\016' || c == '\020') {
search_term();
c = 0; /* ignore the character */
} else if (c == '\010' || c == '\177') {
search_addchar(-1); /* unwind search string */
c = 0;
} else if (c != '\022' && c != '\023') {
search_term(); /* terminate and handle char */
}
}
switch (c) {
case '\n': case '\r': /* newline */
gl_newline();
gl_cleanup();
return gl_buf;
/*NOTREACHED*/
break;
case '\001': gl_fixup(gl_prompt, -1, 0); /* ^A */
break;
case '\002': gl_fixup(gl_prompt, -1, gl_pos-1); /* ^B */
break;
case '\004': /* ^D */
if (gl_cnt == 0) {
gl_buf[0] = 0;
gl_cleanup();
gl_putc('\n');
return gl_buf;
} else {
gl_del(0);
}
break;
case '\005': gl_fixup(gl_prompt, -1, gl_cnt); /* ^E */
break;
case '\006': gl_fixup(gl_prompt, -1, gl_pos+1); /* ^F */
break;
case '\010': case '\177': gl_del(-1); /* ^H and DEL */
break;
case '\t': /* TAB */
if (gl_tab_hook) {
tmp = gl_pos;
loc = gl_tab_hook(gl_buf, gl_strlen(gl_prompt), &tmp);
if (loc >= 0 || tmp != gl_pos)
gl_fixup(gl_prompt, loc, tmp);
}
break;
case '\013': gl_kill(gl_pos); /* ^K */
break;
case '\014': gl_redraw(); /* ^L */
break;
case '\016': /* ^N */
strcpy(gl_buf, hist_next());
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case '\017': gl_overwrite = !gl_overwrite; /* ^O */
break;
case '\020': /* ^P */
strcpy(gl_buf, hist_prev());
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case '\022': search_back(1); /* ^R */
break;
case '\023': search_forw(1); /* ^S */
break;
case '\024': gl_transpose(); /* ^T */
break;
case '\025': gl_kill(0); /* ^U */
break;
case '\031': gl_yank(); /* ^Y */
break;
case '\033': /* ansi arrow keys */
c = gl_getc();
if (c == '[') {
switch(c = gl_getc()) {
case 'A': /* up */
strcpy(gl_buf, hist_prev());
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case 'B': /* down */
strcpy(gl_buf, hist_next());
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case 'C': gl_fixup(gl_prompt, -1, gl_pos+1); /* right */
break;
case 'D': gl_fixup(gl_prompt, -1, gl_pos-1); /* left */
break;
default: gl_putc('\007'); /* who knows */
break;
}
} else if (c == 'f' || c == 'F') {
gl_word(1);
} else if (c == 'b' || c == 'B') {
gl_word(-1);
} else
gl_putc('\007');
break;
default: /* check for a terminal signal */
if (c > 0) { /* ignore 0 (reset above) */
sig = 0;
#ifdef SIGINT
if (c == gl_intrc)
sig = SIGINT;
#endif
#ifdef SIGQUIT
if (c == gl_quitc)
sig = SIGQUIT;
#endif
#ifdef SIGTSTP
if (c == gl_suspc || c == gl_dsuspc)
sig = SIGTSTP;
#endif
if (sig != 0) {
gl_cleanup();
kill(0, sig);
gl_init();
gl_redraw();
c = 0;
}
}
if (c > 0)
gl_putc('\007');
break;
}
}
}
gl_cleanup();
gl_buf[0] = 0;
return gl_buf;
}
static
struct ccl_rpn_node *qualifiers_order(CCL_parser cclp,
ccl_qualifier_t *ap, char *attset)
{
int rel = 0;
struct ccl_rpn_node *p;
if (cclp->look_token->len == 1)
{
if (cclp->look_token->name[0] == '<')
rel = 1;
else if (cclp->look_token->name[0] == '=')
rel = 3;
else if (cclp->look_token->name[0] == '>')
rel = 5;
}
else if (cclp->look_token->len == 2)
{
if (!memcmp(cclp->look_token->name, "<=", 2))
rel = 2;
else if (!memcmp(cclp->look_token->name, ">=", 2))
rel = 4;
else if (!memcmp(cclp->look_token->name, "<>", 2))
rel = 6;
}
if (!rel)
{
cclp->error_code = CCL_ERR_BAD_RELATION;
return NULL;
}
ADVANCE; /* skip relation */
if (rel == 3 &&
qual_val_type(ap, CCL_BIB1_REL, CCL_BIB1_REL_PORDER, 0))
{
/* allow - inside term and treat it as range _always_ */
/* relation is =. Extract "embedded" - to separate terms */
if (KIND == CCL_TOK_TERM)
{
size_t i;
for (i = 0; i<cclp->look_token->len; i++)
{
if (cclp->look_token->name[i] == '-')
break;
}
if (cclp->look_token->len > 1 && i == 0)
{ /* -xx*/
struct ccl_token *ntoken = ccl_token_add(cclp->look_token);
ntoken->kind = CCL_TOK_TERM;
ntoken->name = cclp->look_token->name + 1;
ntoken->len = cclp->look_token->len - 1;
cclp->look_token->len = 1;
cclp->look_token->name = "-";
}
else if (cclp->look_token->len > 1 && i == cclp->look_token->len-1)
{ /* xx- */
struct ccl_token *ntoken = ccl_token_add(cclp->look_token);
ntoken->kind = CCL_TOK_TERM;
ntoken->name = "-";
ntoken->len = 1;
(cclp->look_token->len)--;
}
else if (cclp->look_token->len > 2 && i < cclp->look_token->len)
{ /* xx-yy */
struct ccl_token *ntoken1 = ccl_token_add(cclp->look_token);
struct ccl_token *ntoken2 = ccl_token_add(ntoken1);
ntoken1->kind = CCL_TOK_TERM; /* generate - */
ntoken1->name = "-";
ntoken1->len = 1;
ntoken2->kind = CCL_TOK_TERM; /* generate yy */
ntoken2->name = cclp->look_token->name + (i+1);
ntoken2->len = cclp->look_token->len - (i+1);
cclp->look_token->len = i; /* adjust xx */
}
else if (i == cclp->look_token->len &&
cclp->look_token->next &&
cclp->look_token->next->kind == CCL_TOK_TERM &&
cclp->look_token->next->len > 1 &&
cclp->look_token->next->name[0] == '-')
{ /* xx -yy */
/* we _know_ that xx does not have - in it */
struct ccl_token *ntoken = ccl_token_add(cclp->look_token);
ntoken->kind = CCL_TOK_TERM; /* generate - */
ntoken->name = "-";
ntoken->len = 1;
(ntoken->next->name)++; /* adjust yy */
(ntoken->next->len)--;
}
}
}
if (rel == 3 &&
KIND == CCL_TOK_TERM &&
cclp->look_token->next && cclp->look_token->next->len == 1 &&
cclp->look_token->next->name[0] == '-')
{
struct ccl_rpn_node *p1;
if (!(p1 = search_term(cclp, ap)))
return NULL;
ADVANCE; /* skip '-' */
if (KIND == CCL_TOK_TERM) /* = term - term ? */
{
struct ccl_rpn_node *p2;
if (!(p2 = search_term(cclp, ap)))
{
ccl_rpn_delete(p1);
return NULL;
}
p = ccl_rpn_node_create(CCL_RPN_AND);
p->u.p[0] = p1;
ccl_add_attr_numeric(p1, attset, CCL_BIB1_REL, 4);
p->u.p[1] = p2;
ccl_add_attr_numeric(p2, attset, CCL_BIB1_REL, 2);
return p;
}
else /* = term - */
{
ccl_add_attr_numeric(p1, attset, CCL_BIB1_REL, 4);
return p1;
}
}
else if (rel == 3 &&
cclp->look_token->len == 1 &&
cclp->look_token->name[0] == '-') /* = - term ? */
{
ADVANCE;
if (!(p = search_term(cclp, ap)))
return NULL;
ccl_add_attr_numeric(p, attset, CCL_BIB1_REL, 2);
return p;
}
else
{
if (!(p = search_terms(cclp, ap)))
return NULL;
ccl_add_attr_numeric(p, attset, CCL_BIB1_REL, rel);
return p;
}
cclp->error_code = CCL_ERR_TERM_EXPECTED;
return NULL;
}
int
getline(const char *prompt, char *buf, int buflen)
{
int c, loc, tmp;
int mb_len;
mbstate_t mb_st;
int i;
wchar_t wc;
BUF_SIZE = buflen;
gl_buf = buf;
gl_buf[0] = '\0';
if (setjmp(gl_jmp)) {
gl_newline();
gl_cleanup();
return 0;
}
gl_init();
gl_pos = 0;
gl_prompt = (prompt)? prompt : "";
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, -2, BUF_SIZE);
while ((c = gl_getc()) >= 0) {
gl_extent = 0; /* reset to full extent */
if (!iscntrl(c)) {
if (gl_search_mode)
search_addchar(c);
else
gl_addchar(c);
} else {
if (gl_search_mode) {
if (c == '\033' || c == '\016' || c == '\020') {
search_term();
c = 0; /* ignore the character */
} else if (c == '\010' || c == '\177') {
search_addchar(-1); /* unwind search string */
c = 0;
} else if (c != '\022' && c != '\023') {
search_term(); /* terminate and handle char */
}
}
switch (c) {
case '\n': case '\r': /* newline */
gl_newline();
gl_cleanup();
return 0;
/*NOTREACHED*/
break;
case '\001': gl_fixup(gl_prompt, -1, 0); /* ^A */
break;
case '\002': /* ^B */
if(mbcslocale) {
mb_len = 0;
mbs_init(&mb_st);
for(i = 0; i < gl_pos ;) {
mbrtowc(&wc, gl_buf+i, MB_CUR_MAX, &mb_st);
mb_len = Ri18n_wcwidth(wc);
i += (wc==0) ? 0 : mb_len;
}
gl_fixup(gl_prompt, -1, gl_pos - mb_len);
} else
gl_fixup(gl_prompt, -1, gl_pos-1);
break;
case '\003': /* ^C */
gl_fixup(gl_prompt, -1, gl_cnt);
gl_puts("^C\n");
gl_kill(0);
gl_fixup(gl_prompt, -2, BUF_SIZE);
break;
case '\004': /* ^D */
if (gl_cnt == 0) {
gl_buf[0] = 0;
gl_cleanup();
gl_putc('\n');
return 0;
} else {
gl_del(0);
}
break;
case '\005': gl_fixup(gl_prompt, -1, gl_cnt); /* ^E */
break;
case '\006': /* ^F */
if(mbcslocale) {
if(gl_pos >= gl_cnt) break;
mb_len = 0;
mbs_init(&mb_st);
for(i = 0; i<= gl_pos ;){
mbrtowc(&wc, gl_buf+i, MB_CUR_MAX, &mb_st);
mb_len = Ri18n_wcwidth(wc);
i += (wc==0) ? 0 : mb_len;
}
gl_fixup(gl_prompt, -1, gl_pos + mb_len);
}
else
gl_fixup(gl_prompt, -1, gl_pos+1);
break;
case '\010': case '\177': gl_del(-1); /* ^H and DEL */
break;
case '\t': /* TAB */
if (gl_tab_hook) {
tmp = gl_pos;
loc = gl_tab_hook(gl_buf, gl_strlen(gl_prompt), &tmp);
if (loc != -1 || tmp != gl_pos)
gl_fixup(gl_prompt, loc, tmp);
}
break;
case '\013': gl_kill(gl_pos); /* ^K */
break;
case '\014': gl_redraw(); /* ^L */
break;
case '\016': /* ^N */
strncpy(gl_buf, gl_hist_next(), BUF_SIZE-2);
gl_buf[BUF_SIZE-2] = '\0';
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case '\017': gl_overwrite = !gl_overwrite; /* ^O */
break;
case '\020': /* ^P */
strncpy(gl_buf, gl_hist_prev(),BUF_SIZE-2);
gl_buf[BUF_SIZE-2] = '\0';
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case '\022': search_back(1); /* ^R */
break;
case '\023': search_forw(1); /* ^S */
break;
case '\024': gl_transpose(); /* ^T */
break;
case '\025': gl_kill(0); /* ^U */
break;
case '\027': gl_killword(-1); /* ^W */
break;
case '\031': gl_yank(); /* ^Y */
break;
case '\032': /* ^Z */
gl_newline();
gl_cleanup();
return 1;
/*NOTREACHED*/
break;
case '\033': /* ansi arrow keys */
c = gl_getc();
if (c == '[') {
switch(c = gl_getc()) {
case 'A': /* up */
strncpy(gl_buf, gl_hist_prev(), BUF_SIZE-2);
gl_buf[BUF_SIZE-2] = '\0';
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case 'B': /* down */
strncpy(gl_buf, gl_hist_next(), BUF_SIZE-2);
gl_buf[BUF_SIZE-2] = '\0';
if (gl_in_hook)
gl_in_hook(gl_buf);
gl_fixup(gl_prompt, 0, BUF_SIZE);
break;
case 'C': /* right */
if(mbcslocale) {
mb_len = 0;
mbs_init(&mb_st);
for(i = 0; i <= gl_pos ;) {
mbrtowc(&wc, gl_buf+i, MB_CUR_MAX, &mb_st);
mb_len = Ri18n_wcwidth(wc);
i += (wc==0) ? 0 : mb_len;
}
gl_fixup(gl_prompt, -1, gl_pos + mb_len);
} else
gl_fixup(gl_prompt, -1, gl_pos+1);
break;
case 'D': /* left */
if(mbcslocale) {
mb_len = 0;
mbs_init(&mb_st);
for(i = 0; i <= gl_pos ;) {
mbrtowc(&wc, gl_buf+i, MB_CUR_MAX, &mb_st);
mb_len = Ri18n_wcwidth(wc);
i += (wc==0) ? 0 :mb_len;
}
gl_fixup(gl_prompt, -1, gl_pos - mb_len);
} else
gl_fixup(gl_prompt, -1, gl_pos-1);
break;
default: gl_putc('\007'); /* who knows */
break;
}
} else if (c == 'f' || c == 'F') {
gl_word(1);
} else if (c == 'b' || c == 'B') {
gl_word(-1);
} else
gl_putc('\007');
break;
default: /* check for a terminal signal */
if (c > 0)
gl_putc('\007');
break;
}
}
}
gl_newline();
gl_cleanup();
return 0;
}
