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/*
** Copyright (C) 2022-2024 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** This program is free software; you can redistribute it and/or modify it
** under the terms of the GNU General Public License as published by the
** Free Software Foundation; either version 3, or (at your option) any
** later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#include "mu-fields.hh"
#include "mu-flags.hh"
#include "utils/mu-utils.hh"
#include "utils/mu-test-utils.hh"
using namespace Mu;
const Mu::CombiFields&
Mu::combi_fields()
{
static CombiFields cfields = {
CombiField{ "recip",
{ field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc)}},
CombiField { "contact",
{ field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc),
field_from_id(Field::Id::From)}},
CombiField { "related",
{ field_from_id(Field::Id::MessageId),
field_from_id(Field::Id::References)}
},
CombiField { "",
{ field_from_id(Field::Id::To),
field_from_id(Field::Id::Cc),
field_from_id(Field::Id::Bcc),
field_from_id(Field::Id::From),
field_from_id(Field::Id::Subject),
field_from_id(Field::Id::BodyText),
field_from_id(Field::Id::EmbeddedText),
}}
};
return cfields;
}
const Mu::FieldsVec&
Mu::fields_from_name(const std::string& name) {
static const FieldsVec empty;
const auto& cfields{combi_fields()};
const auto it = seq_find_if(cfields, [&](auto cfield) {
return cfield.name == name;
});
return it == cfields.end() ? empty : it->fields;
}
bool
Mu::field_is_combi(const std::string& name)
{
return name != "" && seq_some(combi_fields(),[&](auto cfield) {
return cfield.name == name;
});
}
std::string
Field::xapian_term(const std::string& s) const
{
auto res{std::string(1U, xapian_prefix())};
if (s.empty())
return res;
res.reserve(s.size() + 10);
/* slightly optimized common pure-ascii. */
if (G_LIKELY(g_str_is_ascii(s.c_str()))) {
res += s;
for (auto i = 1U; i != res.length(); ++i)
res[i] = g_ascii_tolower(res[i]);
} else
res += utf8_flatten(s);
if (G_UNLIKELY(res.size() > MaxTermLength))
res.erase(MaxTermLength);
return res;
}
/**
* compile-time checks
*/
constexpr bool
validate_field_ids()
{
for (auto id = 0U; id != Field::id_size(); ++id) {
const auto field_id = static_cast<Field::Id>(id);
if (field_from_id(field_id).id != field_id)
return false;
}
return true;
}
constexpr bool
validate_field_shortcuts()
{
#ifdef BUILD_TESTS
std::array<size_t, 26> no_dups = {0};
#endif /*BUILD_TESTS*/
for (auto id = 0U; id != Field::id_size(); ++id) {
const auto field_id = static_cast<Field::Id>(id);
const auto shortcut = field_from_id(field_id).shortcut;
if (shortcut != 0 &&
(shortcut < 'a' || shortcut > 'z'))
return false;
#ifdef BUILD_TESTS
if (shortcut != 0) {
if (++no_dups[static_cast<size_t>(shortcut-'a')] > 1) {
mu_critical("shortcut '{}' is duplicated", shortcut);
return false;
}
}
#endif
}
return true;
}
constexpr /*static*/ bool
validate_field_flags()
{
for (auto&& field: Fields) {
/* - A field has at most one of Phrasable, Boolean */
size_t flagnum{};
if (field.is_phrasable_term())
++flagnum;
if (field.is_boolean_term())
++flagnum;
if (flagnum > 1) {
//mu_warning("invalid field {}", field.name);
return false;
}
}
return true;
}
/*
* tests... also build as runtime-tests, so we can get coverage info
*/
#ifdef BUILD_TESTS
#define static_assert g_assert_true
#endif /*BUILD_TESTS*/
[[maybe_unused]]
static void
test_ids()
{
static_assert(validate_field_ids());
}
[[maybe_unused]]
static void
test_shortcuts()
{
static_assert(validate_field_shortcuts());
}
[[maybe_unused]]
static void
test_prefix()
{
static_assert(field_from_id(Field::Id::Subject).xapian_prefix() == 'S');
}
[[maybe_unused]]
static void
test_field_flags()
{
static_assert(validate_field_flags());
}
#ifdef BUILD_TESTS
static void
test_field_from_name()
{
g_assert_true(field_from_name("s")->id == Field::Id::Subject);
g_assert_true(field_from_name("subject")->id == Field::Id::Subject);
g_assert_false(!!field_from_name("8"));
g_assert_false(!!field_from_name(""));
g_assert_true(field_from_name("").value_or(field_from_id(Field::Id::Bcc)).id ==
Field::Id::Bcc);
}
static void
test_xapian_term()
{
using namespace std::string_literals;
using namespace std::literals;
assert_equal(field_from_id(Field::Id::Subject).xapian_term(""s), "S");
assert_equal(field_from_id(Field::Id::Subject).xapian_term("boo"s), "Sboo");
assert_equal(field_from_id(Field::Id::From).xapian_term('x'), "Fx");
assert_equal(field_from_id(Field::Id::To).xapian_term("boo"sv), "Tboo");
auto s1 = field_from_id(Field::Id::Subject).xapian_term(std::string(MaxTermLength - 1, 'x'));
auto s2 = field_from_id(Field::Id::Subject).xapian_term(std::string(MaxTermLength, 'x'));
g_assert_cmpuint(s1.length(), ==, s2.length());
}
int
main(int argc, char* argv[])
{
mu_test_init(&argc, &argv);
g_test_add_func("/message/fields/ids", test_ids);
g_test_add_func("/message/fields/shortcuts", test_shortcuts);
g_test_add_func("/message/fields/from-name", test_field_from_name);
g_test_add_func("/message/fields/prefix", test_prefix);
g_test_add_func("/message/fields/xapian-term", test_xapian_term);
g_test_add_func("/message/fields/flags", test_field_flags);
return g_test_run();
}
#endif /*BUILD_TESTS*/
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