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blockparser/callback.cpp at master · adminnu/blockparser · GitHub
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#
include
<
map
>
#
include
<
vector
>
#
include
<
stdio.h
>
#
include
<
string.h
>
#
include
<
algorithm
>
#
include
<
util.h
>
#
include
<
common.h
>
#
include
<
errlog.h
>
#
include
<
callback.h
>
static
std::vector<Callback*> *callbacks;
typedef
std::map<
uintptr_t
, Callback*> CBMap;
Callback::Callback
() {
if
(
0
==callbacks) {
callbacks =
new
std::vector<Callback*>;
}
callbacks->
push_back
(
this
);
}
Callback *
Callback::find
(
const
char
*name,
bool
printList
) {
CBMap found;
auto
sz =
strlen
(name);
for
(
auto
c:*callbacks) {
std::vector<
const
char
*> names;
names.
push_back
(c->
name
());
c->
aliases
(names);
for
(
const
auto
nm:names) {
auto
x =
std::min
(sz,
strlen
(nm));
if
(
0
==
strncasecmp
(nm, name, x)) {
found[(
uintptr_t
)c] = c;
}
}
}
if
(
1
==found.
size
() && !printList) {
return
found.
begin
()->
second
;
}
else
if
(
0
==found.
size
()) {
printf
(
"
\n
"
);
warning
(
"
\"
%s
\"
: unknown command name
\n
"
, name);
}
else
{
printf
(
"
\n
"
);
if
(!printList) {
warning
(
"
\"
%s
\"
: ambiguous command name, could be any of:
\n
"
,
name
);
}
int
count =
0
;
for
(
auto
pair:found) {
std::vector<
const
char
*> names;
auto
c = pair.
second
;
c->
aliases
(names);
printf
(
"
%3d. %s%s
"
,
++count,
c->
name
(),
0
<names.
size
() ?
"
(aliases:
"
:
"
"
);
auto
first =
true
;
for
(
const
auto
nm:names) {
printf
(
"
%s%s
"
,
first ?
"
"
:
"
,
"
,
nm
);
first =
false
;
}
printf
(
"
%s
\n
"
,
0
<names.
size
() ?
"
)
"
:
"
"
);
}
printf
(
"
\n
"
);
}
if
(printList ||
0
==
strcmp
(name,
"
help
"
)) {
return
0
;
}
printf
(
"
use:
\n
"
);
printf
(
"
\"
parser man
\"
for complete documentation of all commands.
\n
"
);
printf
(
"
\"
parser help
\"
for a short summary of available commands.
\n\n
"
);
exit
(-
1
);
}
static
void
printHelp
(
const
Callback *c,
bool
longHelp
) {
printf
(
"
\n
--------------------------------------------------------------------------------------
\n
"
);
printf
(
"
USAGE:
\n\n
parser %s
"
, c->
name
());
const
auto
parser = c->
optionParser
();
if
(parser) {
auto
usg = parser->
usage
();
printf
(
"
%s
\n\n
"
, usg.
c_str
());
auto
opt = parser->
format_option_help
();
if
(opt.
size
()) {
printf
(
"
OPTIONS:
\n\n
%s
\n
"
, opt.
c_str
());
}
}
}
void
Callback::showHelpFor
(
const
char
*name,
bool
longHelp
) {
auto
cb =
find
(name);
if
(cb) {
printHelp
(cb, longHelp);
}
}
struct
Cmp
{
bool
operator
()(
const
Callback *a,
const
Callback *b
) {
auto
an = a->
name
();
auto
bn = b->
name
();
auto
n =
strcmp
(an, bn);
return
n<
0
;
}
};
void
Callback::showAllHelps
(
bool
longHelp
) {
std::sort
(
callbacks->
begin
(),
callbacks->
end
(),
Cmp
()
);
for
(
const
auto
c:*callbacks) {
printHelp
(c, longHelp);
}
printf
(
"
\n
"
);
}
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