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Simplfy name change announcement

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This commit is contained in:
Patrick Niklaus 2016-03-18 18:16:20 +01:00
parent 7bab34eeda
commit ea93f6f560
1 changed files with 18 additions and 27 deletions
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45
include/extractor/guidance/toolkit.hpp
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@ -339,8 +339,12 @@ inline bool requiresNameAnnounced(const std::string &from, const std::string &to
// this uses the encoding of references in the profile, which is very BAD
// Input for this function should be a struct separating streetname, suffix (e.g. road,
// boulevard, North, West ...), and a list of references
std::string from_name = "", from_ref = "", to_name = "", to_ref = "";
std::string from_name;
std::string from_ref;
std::string to_name;
std::string to_ref;
// Split from the format "{name} ({ref})" -> name, ref
auto split = [](const std::string &name, std::string &out_name, std::string &out_ref)
{
const auto ref_begin = name.find_first_of('(');
@ -352,7 +356,6 @@ inline bool requiresNameAnnounced(const std::string &from, const std::string &to
else
{
out_name = name;
out_ref = "";
}
};
@ -360,32 +363,20 @@ inline bool requiresNameAnnounced(const std::string &from, const std::string &to
split(to, to_name, to_ref);
// check similarity of names
if (from_name != "" && to_name != "")
{
if ((from_name.back() >= '0' && from_name.back() <= '9') ||
(to_name.back() >= '0' && to_name.back() <= '9'))
return from_name != to_name;
if (from.find("Weg ") == 0 && to_name.find("Weg ") == 0)
return from_name != to_name;
auto from_itr = from_name.begin();
auto to_itr = to_name.begin();
for (; from_itr != from_name.end() && to_itr != to_name.end() && *from_itr == *to_itr;
++to_itr, ++from_itr)
{
/* do nothing */
}
auto names_are_empty = from_name.empty() && to_name.empty();
auto names_are_equal = from_name == to_name;
auto name_is_removed = !from_name.empty() && to_name.empty();
// references are contained in one another
auto refs_are_empty = from_ref.empty() && to_ref.empty();
auto ref_is_contained =
!from_ref.empty() && !to_ref.empty() &&
(from_ref.find(to_ref) != std::string::npos || to_ref.find(from_ref) != std::string::npos);
auto ref_is_removed = !from_ref.empty() && to_ref.empty();
const auto common_length = std::distance(from_name.begin(), from_itr);
return (100 * common_length / std::min(to_name.length(), from_name.length())) < 80;
}
else if (from_ref != "" && to_ref != "")
{
// references are contained in one another
if (from_ref.find(to_ref) != std::string::npos ||
to_ref.find(from_ref) != std::string::npos)
return false;
}
return true;
auto obvious_change = ref_is_contained || names_are_equal ||
(names_are_empty && refs_are_empty) || name_is_removed || ref_is_removed;
return !obvious_change;
}
inline int getPriority( const FunctionalRoadClass road_class )