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Added initial implementation of lot_*() functions

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This commit is contained in:
John Wiegley 2010-06-14 04:40:39 -04:00
parent c2a77c1237
commit 47e91a8a92
2 changed files with 37 additions and 1 deletions
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35
src/session.cc
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@ -194,12 +194,36 @@ value_t session_t::fn_min(call_scope_t& args)
{
return args[1] < args[0] ? args[1] : args[0];
}
value_t session_t::fn_max(call_scope_t& args)
{
return args[1] > args[0] ? args[1] : args[0];
}
value_t session_t::fn_lot_price(call_scope_t& args)
{
amount_t amt(args.get<amount_t>(1, false));
if (amt.has_annotation() && amt.annotation().price)
return *amt.annotation().price;
else
return NULL_VALUE;
}
value_t session_t::fn_lot_date(call_scope_t& args)
{
amount_t amt(args.get<amount_t>(1, false));
if (amt.has_annotation() && amt.annotation().date)
return *amt.annotation().date;
else
return NULL_VALUE;
}
value_t session_t::fn_lot_tag(call_scope_t& args)
{
amount_t amt(args.get<amount_t>(1, false));
if (amt.has_annotation() && amt.annotation().tag)
return string_value(*amt.annotation().tag);
else
return NULL_VALUE;
}
option_t<session_t> * session_t::lookup_option(const char * p)
{
switch (*p) {
@ -252,6 +276,15 @@ expr_t::ptr_op_t session_t::lookup(const symbol_t::kind_t kind,
return MAKE_FUNCTOR(session_t::fn_account);
break;
case 'l':
if (is_eq(p, "lot_price"))
return MAKE_FUNCTOR(session_t::fn_lot_price);
else if (is_eq(p, "lot_date"))
return MAKE_FUNCTOR(session_t::fn_lot_date);
else if (is_eq(p, "lot_tag"))
return MAKE_FUNCTOR(session_t::fn_lot_tag);
break;
case 'm':
if (is_eq(p, "min"))
return MAKE_FUNCTOR(session_t::fn_min);

3
src/session.h
View file

@ -76,6 +76,9 @@ public:
value_t fn_account(call_scope_t& scope);
value_t fn_min(call_scope_t& scope);
value_t fn_max(call_scope_t& scope);
value_t fn_lot_price(call_scope_t& scope);
value_t fn_lot_date(call_scope_t& scope);
value_t fn_lot_tag(call_scope_t& scope);
void report_options(std::ostream& out)
{