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linein.c
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linein.c
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/* $Id: linein.c,v 1.35 2007/05/23 12:14:24 inu Exp $ */
#include "fm.h"
#include "local.h"
#include "myctype.h"
#ifdef USE_MOUSE
#ifdef USE_GPM
#include <gpm.h>
#endif
#if defined(USE_GPM) || defined(USE_SYSMOUSE)
extern int do_getch();
#define getch() do_getch()
#endif /* USE_GPM */
#endif /* USE_MOUSE */
#ifdef __EMX__
#include <sys/kbdscan.h>
#endif
#define STR_LEN 1024
#define CLEN (COLS - 2)
static Str strBuf;
static Lineprop strProp[STR_LEN];
static Str CompleteBuf;
static Str CFileName;
static Str CBeforeBuf;
static Str CAfterBuf;
static Str CDirBuf;
static char **CFileBuf = NULL;
static int NCFileBuf;
static int NCFileOffset;
static void insertself(char c),
_mvR(void), _mvL(void), _mvRw(void), _mvLw(void), delC(void), insC(void),
_mvB(void), _mvE(void), _enter(void), _quo(void), _bs(void), _bsw(void),
killn(void), killb(void), _inbrk(void), _esc(void), _editor(void),
_prev(void), _next(void), _compl(void), _tcompl(void),
_dcompl(void), _rdcompl(void), _rcompl(void);
#ifdef __EMX__
static int getcntrl(void);
#endif
static int terminated(unsigned char c);
#define iself ((void(*)())insertself)
static void next_compl(int next);
static void next_dcompl(int next);
static Str doComplete(Str ifn, int *status, int next);
/* *INDENT-OFF* */
void (*InputKeymap[32]) () = {
/* C-@ C-a C-b C-c C-d C-e C-f C-g */
_compl, _mvB, _mvL, _inbrk, delC, _mvE, _mvR, _inbrk,
/* C-h C-i C-j C-k C-l C-m C-n C-o */
_bs, iself, _enter, killn, iself, _enter, _next, _editor,
/* C-p C-q C-r C-s C-t C-u C-v C-w */
_prev, _quo, _bsw, iself, _mvLw, killb, _quo, _bsw,
/* C-x C-y C-z C-[ C-\ C-] C-^ C-_ */
_tcompl,_mvRw, iself, _esc, iself, iself, iself, iself,
};
/* *INDENT-ON* */
static int setStrType(Str str, Lineprop *prop);
static void addPasswd(char *p, Lineprop *pr, int len, int pos, int limit);
static void addStr(char *p, Lineprop *pr, int len, int pos, int limit);
static int CPos, CLen, offset;
static int i_cont, i_broken, i_quote;
static int cm_mode, cm_next, cm_clear, cm_disp_next, cm_disp_clear;
static int need_redraw, is_passwd;
static int move_word;
static Hist *CurrentHist;
static Str strCurrentBuf;
static int use_hist;
#ifdef USE_M17N
static void ins_char(Str str);
#else
static void ins_char(char c);
#endif
char *
inputLineHistSearch(char *prompt, char *def_str, int flag, Hist *hist,
int (*incrfunc) (int ch, Str str, Lineprop *prop))
{
int opos, x, y, lpos, rpos, epos;
unsigned char c;
char *p;
#ifdef USE_M17N
Str tmp;
#endif
is_passwd = FALSE;
move_word = TRUE;
CurrentHist = hist;
if (hist != NULL) {
use_hist = TRUE;
strCurrentBuf = NULL;
}
else {
use_hist = FALSE;
}
if (flag & IN_URL) {
cm_mode = CPL_ALWAYS | CPL_URL;
}
else if (flag & IN_FILENAME) {
cm_mode = CPL_ALWAYS;
}
else if (flag & IN_PASSWORD) {
cm_mode = CPL_NEVER;
is_passwd = TRUE;
move_word = FALSE;
}
else if (flag & IN_COMMAND)
cm_mode = CPL_ON;
else
cm_mode = CPL_OFF;
opos = get_strwidth(prompt);
epos = CLEN - opos;
if (epos < 0)
epos = 0;
lpos = epos / 3;
rpos = epos * 2 / 3;
offset = 0;
if (def_str) {
strBuf = Strnew_charp(def_str);
CLen = CPos = setStrType(strBuf, strProp);
}
else {
strBuf = Strnew();
CLen = CPos = 0;
}
#ifdef SUPPORT_WIN9X_CONSOLE_MBCS
enable_win9x_console_input();
#endif
i_cont = TRUE;
i_broken = FALSE;
i_quote = FALSE;
cm_next = FALSE;
cm_disp_next = -1;
need_redraw = FALSE;
#ifdef USE_M17N
wc_char_conv_init(wc_guess_8bit_charset(DisplayCharset), InnerCharset);
#endif
do {
x = calcPosition(strBuf->ptr, strProp, CLen, CPos, 0, CP_FORCE);
if (x - rpos > offset) {
y = calcPosition(strBuf->ptr, strProp, CLen, CLen, 0, CP_AUTO);
if (y - epos > x - rpos)
offset = x - rpos;
else if (y - epos > 0)
offset = y - epos;
}
else if (x - lpos < offset) {
if (x - lpos > 0)
offset = x - lpos;
else
offset = 0;
}
move(LASTLINE, 0);
addstr(prompt);
if (is_passwd)
addPasswd(strBuf->ptr, strProp, CLen, offset, COLS - opos);
else
addStr(strBuf->ptr, strProp, CLen, offset, COLS - opos);
clrtoeolx();
move(LASTLINE, opos + x - offset);
refresh();
next_char:
c = getch();
#ifdef __EMX__
if (c == 0) {
if (!(c = getcntrl()))
goto next_char;
}
#endif
cm_clear = TRUE;
cm_disp_clear = TRUE;
if (!i_quote &&
(((cm_mode & CPL_ALWAYS) && (c == CTRL_I || (space_autocomplete && c == ' '))) ||
((cm_mode & CPL_ON) && (c == CTRL_I)))) {
if (emacs_like_lineedit && cm_next) {
_dcompl();
need_redraw = TRUE;
}
else {
_compl();
cm_disp_next = -1;
}
}
else if (!i_quote && CLen == CPos &&
(cm_mode & CPL_ALWAYS || cm_mode & CPL_ON) && c == CTRL_D) {
if (!emacs_like_lineedit) {
_dcompl();
need_redraw = TRUE;
}
}
else if (!i_quote && c == DEL_CODE) {
_bs();
cm_next = FALSE;
cm_disp_next = -1;
}
else if (!i_quote && c < 0x20) { /* Control code */
if (incrfunc == NULL
|| (c = incrfunc((int)c, strBuf, strProp)) < 0x20)
(*InputKeymap[(int)c]) (c);
if (incrfunc && c != (unsigned char)-1 && c != CTRL_J)
incrfunc(-1, strBuf, strProp);
if (cm_clear)
cm_next = FALSE;
if (cm_disp_clear)
cm_disp_next = -1;
}
#ifdef USE_M17N
else {
tmp = wc_char_conv(c);
if (tmp == NULL) {
i_quote = TRUE;
goto next_char;
}
i_quote = FALSE;
cm_next = FALSE;
cm_disp_next = -1;
if (CLen + tmp->length > STR_LEN || !tmp->length)
goto next_char;
ins_char(tmp);
if (incrfunc)
incrfunc(-1, strBuf, strProp);
}
#else
else {
i_quote = FALSE;
cm_next = FALSE;
cm_disp_next = -1;
if (CLen >= STR_LEN)
goto next_char;
insC();
strBuf->ptr[CPos] = c;
if (!is_passwd && get_mctype(&c) == PC_CTRL)
strProp[CPos] = PC_CTRL;
else
strProp[CPos] = PC_ASCII;
CPos++;
if (incrfunc)
incrfunc(-1, strBuf, strProp);
}
#endif
if (CLen && (flag & IN_CHAR))
break;
} while (i_cont);
if (CurrentTab) {
if (need_redraw)
displayBuffer(Currentbuf, B_FORCE_REDRAW);
}
#ifdef SUPPORT_WIN9X_CONSOLE_MBCS
disable_win9x_console_input();
#endif
if (i_broken)
return NULL;
move(LASTLINE, 0);
refresh();
p = strBuf->ptr;
if (flag & (IN_FILENAME | IN_COMMAND)) {
SKIP_BLANKS(p);
}
if (use_hist && !(flag & IN_URL) && *p != '\0') {
char *q = lastHist(hist);
if (!q || strcmp(q, p))
pushHist(hist, p);
}
if (flag & IN_FILENAME)
return expandPath(p);
else
return allocStr(p, -1);
}
#ifdef __EMX__
static int
getcntrl(void)
{
switch (getch()) {
case K_DEL:
return CTRL_D;
case K_LEFT:
return CTRL_B;
case K_RIGHT:
return CTRL_F;
case K_UP:
return CTRL_P;
case K_DOWN:
return CTRL_N;
case K_HOME:
case K_CTRL_LEFT:
return CTRL_A;
case K_END:
case K_CTRL_RIGHT:
return CTRL_E;
case K_CTRL_HOME:
return CTRL_U;
case K_CTRL_END:
return CTRL_K;
}
return 0;
}
#endif
static void
addPasswd(char *p, Lineprop *pr, int len, int offset, int limit)
{
int rcol = 0, ncol;
ncol = calcPosition(p, pr, len, len, 0, CP_AUTO);
if (ncol > offset + limit)
ncol = offset + limit;
if (offset) {
addChar('{', 0);
rcol = offset + 1;
}
for (; rcol < ncol; rcol++)
addChar('*', 0);
}
static void
addStr(char *p, Lineprop *pr, int len, int offset, int limit)
{
int i = 0, rcol = 0, ncol, delta = 1;
if (offset) {
for (i = 0; i < len; i++) {
if (calcPosition(p, pr, len, i, 0, CP_AUTO) > offset)
break;
}
if (i >= len)
return;
#ifdef USE_M17N
while (pr[i] & PC_WCHAR2)
i++;
#endif
addChar('{', 0);
rcol = offset + 1;
ncol = calcPosition(p, pr, len, i, 0, CP_AUTO);
for (; rcol < ncol; rcol++)
addChar(' ', 0);
}
for (; i < len; i += delta) {
#ifdef USE_M17N
delta = wtf_len((wc_uchar *) & p[i]);
#endif
ncol = calcPosition(p, pr, len, i + delta, 0, CP_AUTO);
if (ncol - offset > limit)
break;
if (p[i] == '\t') {
for (; rcol < ncol; rcol++)
addChar(' ', 0);
continue;
}
else {
#ifdef USE_M17N
addMChar(&p[i], pr[i], delta);
#else
addChar(p[i], pr[i]);
#endif
}
rcol = ncol;
}
}
#ifdef USE_M17N
static void
ins_char(Str str)
{
char *p = str->ptr, *ep = p + str->length;
Lineprop ctype;
int len;
if (CLen + str->length >= STR_LEN)
return;
while (p < ep) {
len = get_mclen(p);
ctype = get_mctype(p);
if (is_passwd) {
if (ctype & PC_CTRL)
ctype = PC_ASCII;
if (ctype & PC_UNKNOWN)
ctype = PC_WCHAR1;
}
insC();
strBuf->ptr[CPos] = *(p++);
strProp[CPos] = ctype;
CPos++;
if (--len) {
ctype = (ctype & ~PC_WCHAR1) | PC_WCHAR2;
while (len--) {
insC();
strBuf->ptr[CPos] = *(p++);
strProp[CPos] = ctype;
CPos++;
}
}
}
}
#endif
static void
_esc(void)
{
char c;
switch (c = getch()) {
case '[':
case 'O':
switch (c = getch()) {
case 'A':
_prev();
break;
case 'B':
_next();
break;
case 'C':
_mvR();
break;
case 'D':
_mvL();
break;
}
break;
case CTRL_I:
case ' ':
if (emacs_like_lineedit) {
_rdcompl();
cm_clear = FALSE;
need_redraw = TRUE;
}
else
_rcompl();
break;
case CTRL_D:
if (!emacs_like_lineedit)
_rdcompl();
need_redraw = TRUE;
break;
case 'f':
if (emacs_like_lineedit)
_mvRw();
break;
case 'b':
if (emacs_like_lineedit)
_mvLw();
break;
case CTRL_H:
if (emacs_like_lineedit)
_bsw();
break;
#ifdef USE_M17N
default:
if (wc_char_conv(ESC_CODE) == NULL && wc_char_conv(c) == NULL)
i_quote = TRUE;
#endif
}
}
static void
insC(void)
{
int i;
Strinsert_char(strBuf, CPos, ' ');
CLen = strBuf->length;
for (i = CLen; i > CPos; i--) {
strProp[i] = strProp[i - 1];
}
}
static void
delC(void)
{
int i = CPos;
int delta = 1;
if (CLen == CPos)
return;
#ifdef USE_M17N
while (i + delta < CLen && strProp[i + delta] & PC_WCHAR2)
delta++;
#endif
for (i = CPos; i < CLen; i++) {
strProp[i] = strProp[i + delta];
}
Strdelete(strBuf, CPos, delta);
CLen -= delta;
}
static void
_mvL(void)
{
if (CPos > 0)
CPos--;
#ifdef USE_M17N
while (CPos > 0 && strProp[CPos] & PC_WCHAR2)
CPos--;
#endif
}
static void
_mvLw(void)
{
int first = 1;
while (CPos > 0 && (first || !terminated(strBuf->ptr[CPos - 1]))) {
CPos--;
first = 0;
#ifdef USE_M17N
if (CPos > 0 && strProp[CPos] & PC_WCHAR2)
CPos--;
#endif
if (!move_word)
break;
}
}
static void
_mvRw(void)
{
int first = 1;
while (CPos < CLen && (first || !terminated(strBuf->ptr[CPos - 1]))) {
CPos++;
first = 0;
#ifdef USE_M17N
if (CPos < CLen && strProp[CPos] & PC_WCHAR2)
CPos++;
#endif
if (!move_word)
break;
}
}
static void
_mvR(void)
{
if (CPos < CLen)
CPos++;
#ifdef USE_M17N
while (CPos < CLen && strProp[CPos] & PC_WCHAR2)
CPos++;
#endif
}
static void
_bs(void)
{
if (CPos > 0) {
_mvL();
delC();
}
}
static void
_bsw(void)
{
int t = 0;
while (CPos > 0 && !t) {
_mvL();
t = (move_word && terminated(strBuf->ptr[CPos - 1]));
delC();
}
}
static void
_enter(void)
{
i_cont = FALSE;
}
static void
insertself(char c)
{
if (CLen >= STR_LEN)
return;
insC();
strBuf->ptr[CPos] = c;
strProp[CPos] = (is_passwd) ? PC_ASCII : PC_CTRL;
CPos++;
}
static void
_quo(void)
{
i_quote = TRUE;
}
static void
_mvB(void)
{
CPos = 0;
}
static void
_mvE(void)
{
CPos = CLen;
}
static void
killn(void)
{
CLen = CPos;
Strtruncate(strBuf, CLen);
}
static void
killb(void)
{
while (CPos > 0)
_bs();
}
static void
_inbrk(void)
{
i_cont = FALSE;
i_broken = TRUE;
}
static void
_compl(void)
{
next_compl(1);
}
static void
_rcompl(void)
{
next_compl(-1);
}
static void
_tcompl(void)
{
if (cm_mode & CPL_OFF)
cm_mode = CPL_ON;
else if (cm_mode & CPL_ON)
cm_mode = CPL_OFF;
}
static void
next_compl(int next)
{
int status;
int b, a;
Str buf;
Str s;
if (cm_mode == CPL_NEVER || cm_mode & CPL_OFF)
return;
cm_clear = FALSE;
if (!cm_next) {
if (cm_mode & CPL_ALWAYS) {
b = 0;
}
else {
for (b = CPos - 1; b >= 0; b--) {
if ((strBuf->ptr[b] == ' ' || strBuf->ptr[b] == CTRL_I) &&
!((b > 0) && strBuf->ptr[b - 1] == '\\'))
break;
}
b++;
}
a = CPos;
CBeforeBuf = Strsubstr(strBuf, 0, b);
buf = Strsubstr(strBuf, b, a - b);
CAfterBuf = Strsubstr(strBuf, a, strBuf->length - a);
s = doComplete(buf, &status, next);
}
else {
s = doComplete(strBuf, &status, next);
}
if (next == 0)
return;
if (status != CPL_OK && status != CPL_MENU)
bell();
if (status == CPL_FAIL)
return;
strBuf = Strnew_m_charp(CBeforeBuf->ptr, s->ptr, CAfterBuf->ptr, NULL);
CLen = setStrType(strBuf, strProp);
CPos = CBeforeBuf->length + s->length;
if (CPos > CLen)
CPos = CLen;
}
static void
_dcompl(void)
{
next_dcompl(1);
}
static void
_rdcompl(void)
{
next_dcompl(-1);
}
static void
next_dcompl(int next)
{
static int col, row;
static unsigned int len;
static Str d;
int i, j, n, y;
Str f;
char *p;
struct stat st;
int comment, nline;
if (cm_mode == CPL_NEVER || cm_mode & CPL_OFF)
return;
cm_disp_clear = FALSE;
if (CurrentTab)
displayBuffer(Currentbuf, B_FORCE_REDRAW);
if (LASTLINE >= 3) {
comment = TRUE;
nline = LASTLINE - 2;
}
else if (LASTLINE) {
comment = FALSE;
nline = LASTLINE;
}
else {
return;
}
if (cm_disp_next >= 0) {
if (next == 1) {
cm_disp_next += col * nline;
if (cm_disp_next >= NCFileBuf)
cm_disp_next = 0;
}
else if (next == -1) {
cm_disp_next -= col * nline;
if (cm_disp_next < 0)
cm_disp_next = 0;
}
row = (NCFileBuf - cm_disp_next + col - 1) / col;
goto disp_next;
}
cm_next = FALSE;
next_compl(0);
if (NCFileBuf == 0)
return;
cm_disp_next = 0;
d = Str_conv_to_system(Strdup(CDirBuf));
if (d->length > 0 && Strlastchar(d) != '/')
Strcat_char(d, '/');
if (cm_mode & CPL_URL && d->ptr[0] == 'f') {
p = d->ptr;
if (strncmp(p, "file://localhost/", 17) == 0)
p = &p[16];
else if (strncmp(p, "file:///", 8) == 0)
p = &p[7];
else if (strncmp(p, "file:/", 6) == 0 && p[6] != '/')
p = &p[5];
d = Strnew_charp(p);
}
len = 0;
for (i = 0; i < NCFileBuf; i++) {
n = strlen(CFileBuf[i]) + 3;
if (len < n)
len = n;
}
if (len > 0 && COLS > len)
col = COLS / len;
else
col = 1;
row = (NCFileBuf + col - 1) / col;
disp_next:
if (comment) {
if (row > nline) {
row = nline;
y = 0;
}
else
y = nline - row + 1;
}
else {
if (row >= nline) {
row = nline;
y = 0;
}
else
y = nline - row - 1;
}
if (y) {
move(y - 1, 0);
clrtoeolx();
}
if (comment) {
move(y, 0);
clrtoeolx();
bold();
/* FIXME: gettextize? */
addstr("----- Completion list -----");
boldend();
y++;
}
for (i = 0; i < row; i++) {
for (j = 0; j < col; j++) {
n = cm_disp_next + j * row + i;
if (n >= NCFileBuf)
break;
move(y, j * len);
clrtoeolx();
f = Strdup(d);
Strcat_charp(f, CFileBuf[n]);
addstr(conv_from_system(CFileBuf[n]));
if (stat(expandPath(f->ptr), &st) != -1 && S_ISDIR(st.st_mode))
addstr("/");
}
y++;
}
if (comment && y == LASTLINE - 1) {
move(y, 0);
clrtoeolx();
bold();
if (emacs_like_lineedit)
/* FIXME: gettextize? */
addstr("----- Press TAB to continue -----");
else
/* FIXME: gettextize? */
addstr("----- Press CTRL-D to continue -----");
boldend();
}
}
Str
escape_spaces(Str s)
{
Str tmp = NULL;
char *p;
if (s == NULL)
return s;
for (p = s->ptr; *p; p++) {
if (*p == ' ' || *p == CTRL_I) {
if (tmp == NULL)
tmp = Strnew_charp_n(s->ptr, (int)(p - s->ptr));
Strcat_char(tmp, '\\');
}
if (tmp)
Strcat_char(tmp, *p);
}
if (tmp)
return tmp;
return s;
}
Str
unescape_spaces(Str s)
{
Str tmp = NULL;
char *p;
if (s == NULL)
return s;
for (p = s->ptr; *p; p++) {
if (*p == '\\' && (*(p + 1) == ' ' || *(p + 1) == CTRL_I)) {
if (tmp == NULL)
tmp = Strnew_charp_n(s->ptr, (int)(p - s->ptr));
}
else {
if (tmp)
Strcat_char(tmp, *p);
}
}
if (tmp)
return tmp;
return s;
}
static Str
doComplete(Str ifn, int *status, int next)
{
int fl, i;
char *fn, *p;
DIR *d;
Directory *dir;
struct stat st;
if (!cm_next) {
NCFileBuf = 0;
ifn = Str_conv_to_system(ifn);
if (cm_mode & CPL_ON)
ifn = unescape_spaces(ifn);
CompleteBuf = Strdup(ifn);
while (Strlastchar(CompleteBuf) != '/' && CompleteBuf->length > 0)
Strshrink(CompleteBuf, 1);
CDirBuf = Strdup(CompleteBuf);
if (cm_mode & CPL_URL) {
if (strncmp(CompleteBuf->ptr, "file://localhost/", 17) == 0)
Strdelete(CompleteBuf, 0, 16);
else if (strncmp(CompleteBuf->ptr, "file:///", 8) == 0)
Strdelete(CompleteBuf, 0, 7);
else if (strncmp(CompleteBuf->ptr, "file:/", 6) == 0 &&
CompleteBuf->ptr[6] != '/')
Strdelete(CompleteBuf, 0, 5);
else {
CompleteBuf = Strdup(ifn);
*status = CPL_FAIL;
return Str_conv_to_system(CompleteBuf);
}
}
if (CompleteBuf->length == 0) {
Strcat_char(CompleteBuf, '.');
}
if (Strlastchar(CompleteBuf) == '/' && CompleteBuf->length > 1) {
Strshrink(CompleteBuf, 1);
}
if ((d = opendir(expandPath(CompleteBuf->ptr))) == NULL) {
CompleteBuf = Strdup(ifn);
*status = CPL_FAIL;
if (cm_mode & CPL_ON)
CompleteBuf = escape_spaces(CompleteBuf);
return CompleteBuf;
}
fn = lastFileName(ifn->ptr);
fl = strlen(fn);
CFileName = Strnew();
for (;;) {
dir = readdir(d);
if (dir == NULL)
break;
if (fl == 0
&& (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, "..")))
continue;
if (!strncmp(dir->d_name, fn, fl)) { /* match */
NCFileBuf++;
CFileBuf = New_Reuse(char *, CFileBuf, NCFileBuf);
CFileBuf[NCFileBuf - 1] =
NewAtom_N(char, strlen(dir->d_name) + 1);
strcpy(CFileBuf[NCFileBuf - 1], dir->d_name);
if (NCFileBuf == 1) {
CFileName = Strnew_charp(dir->d_name);
}
else {
for (i = 0; CFileName->ptr[i] == dir->d_name[i]; i++) ;
Strtruncate(CFileName, i);
}
}
}
closedir(d);
if (NCFileBuf == 0) {
CompleteBuf = Strdup(ifn);
*status = CPL_FAIL;
if (cm_mode & CPL_ON)
CompleteBuf = escape_spaces(CompleteBuf);
return CompleteBuf;
}
qsort(CFileBuf, NCFileBuf, sizeof(CFileBuf[0]), strCmp);
NCFileOffset = 0;
if (NCFileBuf >= 2) {
cm_next = TRUE;
*status = CPL_AMBIG;
}
else {
*status = CPL_OK;
}
}
else {
CFileName = Strnew_charp(CFileBuf[NCFileOffset]);
NCFileOffset = (NCFileOffset + next + NCFileBuf) % NCFileBuf;
*status = CPL_MENU;
}
CompleteBuf = Strdup(CDirBuf);
if (CompleteBuf->length && Strlastchar(CompleteBuf) != '/')
Strcat_char(CompleteBuf, '/');
Strcat(CompleteBuf, CFileName);
if (*status != CPL_AMBIG) {
p = CompleteBuf->ptr;
if (cm_mode & CPL_URL) {
if (strncmp(p, "file://localhost/", 17) == 0)
p = &p[16];
else if (strncmp(p, "file:///", 8) == 0)
p = &p[7];
else if (strncmp(p, "file:/", 6) == 0 && p[6] != '/')