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dom: Added 'dom.tag.N' support

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This commit is contained in:
Paul Beckingham 2016-07-16 12:46:46 -04:00
parent 630df1a16a
commit 9d15a1aa84
1 changed files with 17 additions and 11 deletions
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24
src/dom.cpp
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@ -99,17 +99,9 @@ bool domGet (
{
// Generate a unique, ordered list of tags.
std::set <std::string> tags;
for (auto& line : database.allLines ())
{
if (line[0] == 'i')
{
Interval interval;
interval.initialize (line);
for (auto& interval : getAllInclusions (database))
for (auto& tag : interval.tags ())
tags.insert (tag);
}
}
// dom.tag.count
if (pig.skipLiteral ("count"))
@ -118,6 +110,20 @@ bool domGet (
return true;
}
// dom.tag.<N>
int n;
if (pig.getDigits (n))
{
if (n <= static_cast <int> (tags.size ()))
{
std::vector <std::string> all;
for (auto& tag : tags)
all.push_back (tag);
value = format ("{1}", all[n - 1]);
return true;
}
}
}
}