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Added get_at and is_seq valexpr functions

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These are for dealing with sequences.
This commit is contained in:
John Wiegley 2009-02-23 15:27:06 -04:00
parent 1406cbe853
commit aff7b56673
2 changed files with 38 additions and 2 deletions
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38
src/report.cc
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@ -154,14 +154,38 @@ value_t report_t::fn_market(call_scope_t& scope)
return args.value_at(0);
}
value_t report_t::fn_get_at(call_scope_t& scope)
{
interactive_t args(scope, "Sl");
DEBUG("report.get_at", "get_at[0] = " << args.value_at(0));
DEBUG("report.get_at", "get_at[1] = " << args.value_at(1));
if (args.get<long>(1) == 0) {
if (! args.value_at(0).is_sequence())
return args.value_at(0);
} else {
if (! args.value_at(0).is_sequence())
throw_(std::runtime_error,
_("Attempting to get argument at index %1 from %2")
<< args.get<long>(1) << args.value_at(0).label());
}
return args.get<const value_t::sequence_t&>(0)[args.get<long>(1)];
}
value_t report_t::fn_is_seq(call_scope_t& scope)
{
return scope.value().is_sequence();
}
value_t report_t::fn_strip(call_scope_t& args)
{
return args[0].strip_annotations(what_to_keep());
return args.value().strip_annotations(what_to_keep());
}
value_t report_t::fn_scrub(call_scope_t& args)
{
value_t temp(args[0].strip_annotations(what_to_keep()));
value_t temp(args.value().strip_annotations(what_to_keep()));
if (HANDLED(base))
return temp;
else
@ -616,6 +640,16 @@ expr_t::ptr_op_t report_t::lookup(const string& name)
return MAKE_FUNCTOR(report_t::fn_format_date);
break;
case 'g':
if (is_eq(p, "get_at"))
return MAKE_FUNCTOR(report_t::fn_get_at);
break;
case 'i':
if (is_eq(p, "is_seq"))
return MAKE_FUNCTOR(report_t::fn_is_seq);
break;
case 'j':
if (is_eq(p, "justify"))
return MAKE_FUNCTOR(report_t::fn_justify);

2
src/report.h
View file

@ -133,6 +133,8 @@ public:
value_t fn_display_amount(call_scope_t& scope);
value_t fn_display_total(call_scope_t& scope);
value_t fn_market(call_scope_t& scope);
value_t fn_get_at(call_scope_t& scope);
value_t fn_is_seq(call_scope_t& scope);
value_t fn_strip(call_scope_t& scope);
value_t fn_scrub(call_scope_t& scope);
value_t fn_quantity(call_scope_t& scope);