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First pass of sfdb tag searching. Not functional, but very very close.

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git-svn-id: svn://localhost/ardour2/trunk@1272 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Taybin Rutkin
2007-01-05 04:24:23 +00:00
parent 143e8eba1d
commit d631a8d89f
8 changed files with 192 additions and 85 deletions
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30
libs/pbd/pbd/tokenizer.h
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@@ -4,18 +4,24 @@
#include <iterator>
#include <string>
#include <pbd/whitespace.h>
namespace PBD {
/**
Tokenize string, this should work for standard
strings aswell as Glib::ustring. This is a bit of a hack,
strings as well as Glib::ustring. This is a bit of a hack,
there are much better string tokenizing patterns out there.
If strip_whitespace is set to true, tokens will be checked to see
that they still have a length after stripping. If no length, they
are discarded.
*/
template<typename StringType, typename Iter>
unsigned int
tokenize(const StringType& str,
const StringType& delims,
Iter it)
Iter it,
bool strip_whitespace=false)
{
typename StringType::size_type start_pos = 0;
typename StringType::size_type end_pos = 0;
@@ -28,14 +34,30 @@ tokenize(const StringType& str,
if (end_pos == str.npos) {
end_pos = str.length();
}
*it++ = str.substr(start_pos, end_pos - start_pos);
if (strip_whitespace) {
StringType stripped = str.substr(start_pos, end_pos - start_pos);
strip_whitespace_edges (stripped);
if (stripped.length()) {
*it++ = stripped;
}
} else {
*it++ = str.substr(start_pos, end_pos - start_pos);
}
++token_count;
start_pos = str.find_first_not_of(delims, end_pos + 1);
}
} while (start_pos != str.npos);
if (start_pos != str.npos) {
*it++ = str.substr(start_pos, str.length() - start_pos);
if (strip_whitespace) {
StringType stripped = str.substr(start_pos, str.length() - start_pos);
strip_whitespace_edges (stripped);
if (stripped.length()) {
*it++ = stripped;
}
} else {
*it++ = str.substr(start_pos, str.length() - start_pos);
}
++token_count;
}