static char *
name_from_address(char *str, int n)
{
char *s, *p;
int l;
bool space = true;
s = allocStr(str, -1);
SKIP_BLANKS(s);
if (*s == '<' && (p = strchr(s, '>'))) {
*p++ = '\0';
SKIP_BLANKS(p);
if (*p == '\0') /* <address> */
s++;
else /* <address> name ? */
s = p;
}
else if ((p = strchr(s, '<'))) /* name <address> */
*p = '\0';
else if ((p = strchr(s, '('))) /* address (name) */
s = p;
if (*s == '"' && (p = strchr(s + 1, '"'))) { /* "name" */
*p = '\0';
s++;
}
else if (*s == '(' && (p = strchr(s + 1, ')'))) { /* (name) */
*p = '\0';
s++;
}
for (p = s, l = 0; *p; p += get_mclen(p)) {
if (IS_SPACE(*p)) {
if (space)
continue;
space = true;
}
else
space = false;
l += get_mcwidth(p);
if (l > n)
break;
}
*p = '\0';
return s;
}
int
RegexMatch(Regex *re, char *str, int len, int firstp)
{
char *p, *ep;
char *lpos;
Regex *r;
if (str == NULL)
return 0;
if (len < 0)
len = strlen(str);
re->position = NULL;
ep = str + len;
for (p = str; p <= ep; p++) {
lpos = NULL;
re->lposition = NULL;
for (r = re; r != NULL; r = r->alt_regex) {
switch (regmatch(r->re, p, ep, firstp && (p == str), &lpos)) {
case 1: /* matched */
re->position = p;
if (re->lposition == NULL || re->lposition < lpos)
re->lposition = lpos;
break;
case -1: /* error */
re->position = NULL;
return -1;
}
}
if (re->lposition != NULL) {
/* matched */
return 1;
}
p += get_mclen(p) - 1;
}
return 0;
}
static int
form_update_line(Line *line, char **str, int spos, int epos, int width,
int newline, int password)
{
int c_len = 1, c_width = 1, w, i, len, pos;
char *p, *buf;
Lineprop c_type, effect, *prop;
for (p = *str, w = 0, pos = 0; *p && w < width;) {
c_type = get_mctype((unsigned char *)p);
#ifdef USE_M17N
c_len = get_mclen(p);
c_width = get_mcwidth(p);
#endif
if (c_type == PC_CTRL) {
if (newline && *p == '\n')
break;
if (*p != '\r') {
w++;
pos++;
}
}
else if (password) {
#ifdef USE_M17N
if (w + c_width > width)
break;
#endif
w += c_width;
pos += c_width;
#ifdef USE_M17N
}
else if (c_type & PC_UNKNOWN) {
w++;
pos++;
}
else {
if (w + c_width > width)
break;
#endif
w += c_width;
pos += c_len;
}
p += c_len;
}
pos += width - w;
len = line->len + pos + spos - epos;
buf = New_N(char, len);
prop = New_N(Lineprop, len);
memmove((void *)buf, (void *)line->lineBuf, spos * sizeof(char));
memmove((void *)prop, (void *)line->propBuf, spos * sizeof(Lineprop));
effect = CharEffect(line->propBuf[spos]);
for (p = *str, w = 0, pos = spos; *p && w < width;) {
c_type = get_mctype((unsigned char *)p);
#ifdef USE_M17N
c_len = get_mclen(p);
c_width = get_mcwidth(p);
#endif
if (c_type == PC_CTRL) {
if (newline && *p == '\n')
break;
if (*p != '\r') {
buf[pos] = password ? '*' : ' ';
prop[pos] = effect | PC_ASCII;
pos++;
w++;
}
}
else if (password) {
#ifdef USE_M17N
if (w + c_width > width)
break;
#endif
for (i = 0; i < c_width; i++) {
buf[pos] = '*';
prop[pos] = effect | PC_ASCII;
pos++;
w++;
}
#ifdef USE_M17N
}
else if (c_type & PC_UNKNOWN) {
buf[pos] = ' ';
prop[pos] = effect | PC_ASCII;
pos++;
w++;
}
else {
if (w + c_width > width)
break;
#else
}
else {
#endif
buf[pos] = *p;
prop[pos] = effect | c_type;
pos++;
#ifdef USE_M17N
c_type = (c_type & ~PC_WCHAR1) | PC_WCHAR2;
for (i = 1; i < c_len; i++) {
buf[pos] = p[i];
prop[pos] = effect | c_type;
pos++;
}
#endif
w += c_width;
}
p += c_len;
}
Str
checkType(Str s, Lineprop **oprop, Linecolor **ocolor)
{
Lineprop mode;
Lineprop effect = PE_NORMAL;
Lineprop *prop;
static Lineprop *prop_buffer = NULL;
static int prop_size = 0;
char *str = s->ptr, *endp = &s->ptr[s->length], *bs = NULL;
#ifdef USE_ANSI_COLOR
Lineprop ceffect = PE_NORMAL;
Linecolor cmode = 0;
int check_color = FALSE;
Linecolor *color = NULL;
static Linecolor *color_buffer = NULL;
static int color_size = 0;
char *es = NULL;
#endif
int do_copy = FALSE;
int i;
int plen = 0, clen;
if (prop_size < s->length) {
prop_size = (s->length > LINELEN) ? s->length : LINELEN;
prop_buffer = New_Reuse(Lineprop, prop_buffer, prop_size);
}
prop = prop_buffer;
if (ShowEffect) {
bs = memchr(str, '\b', s->length);
#ifdef USE_ANSI_COLOR
if (ocolor) {
es = memchr(str, ESC_CODE, s->length);
if (es) {
if (color_size < s->length) {
color_size = (s->length > LINELEN) ? s->length : LINELEN;
color_buffer = New_Reuse(Linecolor, color_buffer,
color_size);
}
color = color_buffer;
}
}
#endif
if ((bs != NULL)
#ifdef USE_ANSI_COLOR
|| (es != NULL)
#endif
) {
char *sp = str, *ep;
s = Strnew_size(s->length);
do_copy = TRUE;
ep = bs ? (bs - 2) : endp;
#ifdef USE_ANSI_COLOR
if (es && ep > es - 2)
ep = es - 2;
#endif
for (; str < ep && IS_ASCII(*str); str++) {
*(prop++) = PE_NORMAL | (IS_CNTRL(*str) ? PC_CTRL : PC_ASCII);
#ifdef USE_ANSI_COLOR
if (color)
*(color++) = 0;
#endif
}
Strcat_charp_n(s, sp, (int)(str - sp));
}
}
if (!do_copy) {
for (; str < endp && IS_ASCII(*str); str++)
*(prop++) = PE_NORMAL | (IS_CNTRL(*str) ? PC_CTRL : PC_ASCII);
}
while (str < endp) {
if (prop - prop_buffer >= prop_size)
break;
if (bs != NULL) {
#ifdef USE_M17N
if (str == bs - 2 && !strncmp(str, "__\b\b", 4)) {
str += 4;
effect = PE_UNDER;
if (str < endp)
bs = memchr(str, '\b', endp - str);
continue;
}
else
#endif
if (str == bs - 1 && *str == '_') {
str += 2;
effect = PE_UNDER;
if (str < endp)
bs = memchr(str, '\b', endp - str);
continue;
}
else if (str == bs) {
if (*(str + 1) == '_') {
if (s->length) {
str += 2;
#ifdef USE_M17N
for (i = 1; i <= plen; i++)
*(prop - i) |= PE_UNDER;
#else
*(prop - 1) |= PE_UNDER;
#endif
}
else {
str++;
}
}
#ifdef USE_M17N
else if (!strncmp(str + 1, "\b__", 3)) {
if (s->length) {
str += (plen == 1) ? 3 : 4;
for (i = 1; i <= plen; i++)
*(prop - i) |= PE_UNDER;
}
else {
str += 2;
}
}
else if (*(str + 1) == '\b') {
if (s->length) {
clen = get_mclen(str + 2);
if (plen == clen &&
!strncmp(str - plen, str + 2, plen)) {
for (i = 1; i <= plen; i++)
*(prop - i) |= PE_BOLD;
str += 2 + clen;
}
else {
Strshrink(s, plen);
prop -= plen;
str += 2;
}
}
else {
str += 2;
}
}
#endif
else {
if (s->length) {
#ifdef USE_M17N
clen = get_mclen(str + 1);
if (plen == clen &&
!strncmp(str - plen, str + 1, plen)) {
for (i = 1; i <= plen; i++)
*(prop - i) |= PE_BOLD;
str += 1 + clen;
}
else {
Strshrink(s, plen);
prop -= plen;
str++;
}
#else
if (*(str - 1) == *(str + 1)) {
*(prop - 1) |= PE_BOLD;
str += 2;
}
else {
Strshrink(s, 1);
prop--;
str++;
}
#endif
}
else {
str++;
}
}
if (str < endp)
bs = memchr(str, '\b', endp - str);
continue;
}
#ifdef USE_ANSI_COLOR
else if (str > bs)
bs = memchr(str, '\b', endp - str);
#endif
}
#ifdef USE_ANSI_COLOR
if (es != NULL) {
if (str == es) {
int ok = parse_ansi_color(&str, &ceffect, &cmode);
if (str < endp)
es = memchr(str, ESC_CODE, endp - str);
if (ok) {
if (cmode)
check_color = TRUE;
continue;
}
}
else if (str > es)
es = memchr(str, ESC_CODE, endp - str);
}
#endif
plen = get_mclen(str);
mode = get_mctype(str) | effect;
#ifdef USE_ANSI_COLOR
if (color) {
*(color++) = cmode;
mode |= ceffect;
}
#endif
*(prop++) = mode;
#ifdef USE_M17N
if (plen > 1) {
mode = (mode & ~PC_WCHAR1) | PC_WCHAR2;
for (i = 1; i < plen; i++) {
*(prop++) = mode;
#ifdef USE_ANSI_COLOR
if (color)
*(color++) = cmode;
#endif
}
if (do_copy)
Strcat_charp_n(s, (char *)str, plen);
str += plen;
}
else
#endif
{
if (do_copy)
Strcat_char(s, (char)*str);
str++;
}
effect = PE_NORMAL;
}
*oprop = prop_buffer;
#ifdef USE_ANSI_COLOR
if (ocolor)
*ocolor = check_color ? color_buffer : NULL;
#endif
return s;
}
static int
regmatch_iter(struct MatchingContext1 *c,
regexchar * re, char *str, char *end_p, int firstp)
{
switch (c->label) {
case 1:
goto label1;
case 2:
goto label2;
case 3:
goto label3;
case 4:
goto label4;
case 5:
goto label5;
case 6:
goto label6;
case 7:
goto label7;
}
if (RE_MODE(re) == RE_ENDMARK)
return 0;
c->re = re;
c->firstp = firstp;
c->str = str;
c->end_p = end_p;
c->sub_ctx = NULL;
c->lastpos = NULL;
while (RE_MODE(c->re) != RE_ENDMARK) {
if (c->re->mode & (RE_ANYTIME | RE_OPT)) {
if (c->re->mode & RE_ANYTIME)
c->iter_limit = RE_ITER_LIMIT;
else
c->iter_limit = 1;
c->n_any = -1;
while (c->n_any < c->iter_limit) {
if (c->str + c->n_any >= c->end_p) {
return 0;
}
if (c->n_any >= 0) {
if (RE_MODE(c->re) == RE_SUBREGEX) {
c->ctx2 = GC_malloc(sizeof(struct MatchingContext2));
c->ctx2->label = 0;
while (regmatch_sub_anytime(c->ctx2,
c->re->p.sub,
c->re + 1,
c->str + c->n_any,
c->end_p,
c->iter_limit,
c->firstp)) {
c->n_any = c->ctx2->lastpos - c->str;
c->lastpos = c->ctx2->lastpos;
YIELD(1, c, 1);
}
return 0;
}
else {
longchar k;
k = set_longchar(c->str + c->n_any);
if (regmatch1(c->re, &k)) {
c->n_any += get_mclen(c->str + c->n_any);
}
else {
return 0;
}
c->firstp = 0;
}
}
else
c->n_any++;
if (RE_MODE(c->re + 1) == RE_ENDMARK) {
c->lastpos = c->str + c->n_any;
YIELD(1, c, 2);
}
else if (regmatch(c->re + 1, c->str + c->n_any, c->end_p,
c->firstp, &c->lastpos) == 1) {
YIELD(1, c, 3);
}
}
return 0;
}
/* regexp other than pat*, pat+ and pat? */
switch (RE_MODE(c->re)) {
case RE_BEGIN:
if (!c->firstp)
return 0;
c->re++;
break;
case RE_END:
if (c->str >= c->end_p) {
c->lastpos = c->str;
c->re++;
YIELD(1, c, 4);
}
else {
c->lastpos = NULL;
return 0;
}
break;
case RE_SUBREGEX:
if (c->sub_ctx == NULL) {
c->sub_ctx = GC_malloc(sizeof(struct MatchingContext1));
}
c->sub_regex = c->re->p.sub;
for (;;) {
c->sub_ctx->label = 0;
while (regmatch_iter(c->sub_ctx, c->sub_regex->re,
c->str, c->end_p, c->firstp)) {
if (c->sub_ctx->lastpos != c->str)
c->firstp = 0;
if (RE_MODE(c->re + 1) == RE_ENDMARK) {
c->lastpos = c->sub_ctx->lastpos;
YIELD(1, c, 5);
}
else if (regmatch(c->re + 1, c->sub_ctx->lastpos, c->end_p,
c->firstp, &c->lastpos) == 1) {
YIELD(1, c, 6);
}
}
if (c->sub_regex->alt_regex == NULL)
break;
c->sub_regex = c->sub_regex->alt_regex;
}
return 0;
default:
{
longchar k;
k = set_longchar(c->str);
c->str += get_mclen(c->str);
if (!regmatch1(c->re, &k))
return 0;
}
c->re++;
c->firstp = 0;
}
if (c->str > c->end_p) {
return 0;
}
}
c->lastpos = c->str;
#ifdef REGEX_DEBUG
if (verbose)
printf("Succeed: %s %d\n", c->str, c->lastpos - c->str);
#endif
YIELD(1, c, 7);
return 0;
}
static Regex *
newRegex0(char **ex, int igncase, Regex *regex, char **msg, int level)
{
char *p;
longchar *r;
regexchar *re;
int m;
longchar *st_ptr;
if (regex == NULL)
regex = (Regex *)GC_malloc(sizeof(Regex));
regex->alt_regex = NULL;
re = regex->re;
st_ptr = regex->storage;
for (p = *ex; *p != '\0'; p++) {
re->mode = 0;
switch (*p) {
case '.':
re->p.pattern = NULL;
RE_SET_MODE(re, RE_ANY);
re++;
break;
case '$':
re->p.pattern = NULL;
RE_SET_MODE(re, RE_END);
re++;
break;
case '^':
re->p.pattern = NULL;
RE_SET_MODE(re, RE_BEGIN);
re++;
break;
case '+':
if (re == regex->re ||
(RE_MODE(re - 1) != RE_ANY && (re - 1)->p.pattern == NULL)) {
if (msg)
*msg = "Invalid regular expression";
return NULL;
}
*re = *(re - 1);
re->mode |= RE_ANYTIME;
re++;
break;
case '*':
if (re == regex->re ||
(RE_MODE(re - 1) != RE_ANY && (re - 1)->p.pattern == NULL)) {
if (msg)
*msg = "Invalid regular expression";
return NULL;
}
(re - 1)->mode |= RE_ANYTIME;
break;
case '?':
if (re == regex->re ||
(RE_MODE(re - 1) != RE_ANY && (re - 1)->p.pattern == NULL)) {
if (msg)
*msg = "Invalid regular expression";
return NULL;
}
(re - 1)->mode |= RE_OPT;
break;
case '[':
r = st_ptr;
if (*++p == '^') {
p++;
m = RE_EXCEPT;
}
else
m = RE_WHICH;
if (*p == '-' || *p == ']')
*(st_ptr++) = set_longchar(p);
while (*p != ']') {
if (*p == '\\') {
p++;
*(st_ptr++) = set_longchar(p);
p += get_mclen(p);
}
else if (*p == '-' && *(p + 1) != ']') {
(st_ptr++)->type = RE_WHICH_RANGE;
p++;
}
else if (*p == '\0') {
if (msg)
*msg = "Missing ]";
return NULL;
}
else {
*(st_ptr++) = set_longchar(p);
p += get_mclen(p);
}
if (st_ptr >= ®ex->storage[STORAGE_MAX]) {
if (msg)
*msg = "Regular expression too long";
return NULL;
}
}
(st_ptr++)->type = RE_TYPE_END;
re->p.pattern = r;
RE_SET_MODE(re, m);
if (igncase)
re->mode |= RE_IGNCASE;
re++;
break;
case '|':
RE_SET_MODE(re, RE_ENDMARK);
re++;
p++;
regex->alt_regex = newRegex0(&p, igncase, NULL, msg, level);
if (regex->alt_regex == NULL)
return NULL;
*ex = p;
return regex;
case '(':
RE_SET_MODE(re, RE_SUBREGEX);
p++;
re->p.sub = newRegex0(&p, igncase, NULL, msg, level + 1);
if (re->p.sub == NULL)
return NULL;
re++;
break;
case ')':
if (level == 0) {
if (msg)
*msg = "Too many ')'";
return NULL;
}
RE_SET_MODE(re, RE_ENDMARK);
re++;
*ex = p;
return regex;
case '\\':
p++;
default:
*(st_ptr) = set_longchar(p);
p += get_mclen(p) - 1;
re->p.pattern = st_ptr;
st_ptr++;
RE_SET_MODE(re, RE_NORMAL);
if (igncase)
re->mode |= RE_IGNCASE;
re++;
}
if (st_ptr >= ®ex->storage[STORAGE_MAX] ||
re >= ®ex->re[REGEX_MAX]) {
if (msg)
*msg = "Regular expression too long";
return NULL;
}
}
RE_SET_MODE(re, RE_ENDMARK);
if (msg)
*msg = NULL;
*ex = p;
return regex;
}
