From fb7c19777884a589fc654ffe9d09defa6dbfafa2 Mon Sep 17 00:00:00 2001
From: Adam Radziszewski <adam.radziszewski@pwr.wroc.pl>
Date: Mon, 30 Apr 2012 15:00:34 +0200
Subject: [PATCH] add isannpart predicate
---
libwccl/CMakeLists.txt | 1 +
.../functions/bool/predicates/anntoken.cpp | 68 +++++++++++++++++
.../ops/functions/bool/predicates/anntoken.h | 76 +++++++++++++++++++
libwccl/parser/grammar.g | 26 ++++---
4 files changed, 161 insertions(+), 10 deletions(-)
create mode 100644 libwccl/ops/functions/bool/predicates/anntoken.cpp
create mode 100644 libwccl/ops/functions/bool/predicates/anntoken.h
diff --git a/libwccl/CMakeLists.txt b/libwccl/CMakeLists.txt
index 1a0736a..1aaf30c 100644
--- a/libwccl/CMakeLists.txt
+++ b/libwccl/CMakeLists.txt
@@ -45,6 +45,7 @@ SET(libwccl_STAT_SRC
ops/functions/bool/predicates/and.cpp
ops/functions/bool/predicates/ann.cpp
ops/functions/bool/predicates/annsub.cpp
+ ops/functions/bool/predicates/anntoken.cpp
ops/functions/bool/predicates/debug.cpp
ops/functions/bool/predicates/isinside.cpp
ops/functions/bool/predicates/isoutside.cpp
diff --git a/libwccl/ops/functions/bool/predicates/anntoken.cpp b/libwccl/ops/functions/bool/predicates/anntoken.cpp
new file mode 100644
index 0000000..9f2adc9
--- /dev/null
+++ b/libwccl/ops/functions/bool/predicates/anntoken.cpp
@@ -0,0 +1,68 @@
+/*
+ Copyright (C) 2011 Adam Wardyński, Tomasz Śniatowski, Paweł Kędzia,
+ Adam Radziszewski, Bartosz Broda
+ Part of the WCCL project
+
+ 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 of the License, 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 LICENSE and COPYING files for more details.
+*/
+
+#include <libwccl/ops/functions/bool/predicates/anntoken.h>
+#include <libcorpus2/ann/annotatedsentence.h>
+
+namespace Wccl {
+
+AnnToken::BaseRetValPtr AnnToken::apply_internal(const FunExecContext& context) const
+{
+ boost::shared_ptr<Corpus2::AnnotatedSentence> as
+ = boost::dynamic_pointer_cast<Corpus2::AnnotatedSentence>(
+ context.sentence_context().get_sentence_ptr());
+ if (!as) {
+ throw InvalidArgument("context", "Operator needs an annotated sentence.");
+ }
+
+ const boost::shared_ptr<const Position>& pos = pos_expr_->apply(context);
+ const SentenceContext& sc = context.sentence_context();
+ // return False if out of bounds
+ if (sc.is_outside(*pos)) {
+ return Predicate::False(context);
+ }
+ // return False if no such channel in sent
+ if (!as->has_channel(chan_name_)) {
+ return Predicate::False(context);
+ }
+ // channel exists, position in range, check if any annot at pos
+ int abs_idx = sc.get_abs_position(*pos);
+
+ if (as->get_channel(chan_name_).get_segment_at(abs_idx) == 0) {
+ return Predicate::False(context);
+ }
+ else {
+ return Predicate::True(context);
+ }
+}
+
+std::string AnnToken::to_string(const Corpus2::Tagset& tagset) const
+{
+ std::ostringstream ostream;
+ ostream << raw_name() << "(" << *pos_expr_ << ", "
+ << ", \"" << chan_name_ << "\")";
+ return ostream.str();
+}
+
+std::ostream& AnnToken::write_to(std::ostream& ostream) const
+{
+ ostream << raw_name() << "(" << *pos_expr_ << ", "
+ << ", \"" << chan_name_ << "\")";
+ return ostream;
+}
+
+} /* end ns Wccl */
diff --git a/libwccl/ops/functions/bool/predicates/anntoken.h b/libwccl/ops/functions/bool/predicates/anntoken.h
new file mode 100644
index 0000000..b162764
--- /dev/null
+++ b/libwccl/ops/functions/bool/predicates/anntoken.h
@@ -0,0 +1,76 @@
+/*
+ Copyright (C) 2011 Adam Wardyński, Tomasz Śniatowski, Paweł Kędzia,
+ Adam Radziszewski, Bartosz Broda
+ Part of the WCCL project
+
+ 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 of the License, 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 LICENSE and COPYING files for more details.
+*/
+
+#ifndef LIBWCCL_OPS_FUNCTIONS_BOOL_PREDICATES_ANNTOKEN_H
+#define LIBWCCL_OPS_FUNCTIONS_BOOL_PREDICATES_ANNTOKEN_H
+
+#include <libwccl/ops/functions/bool/predicate.h>
+
+namespace Wccl {
+
+/**
+ * An annotation-checking predicate: checks whether the given position belongs
+ * to any annotation in the given channel.
+ */
+class AnnToken : public Predicate
+{
+public:
+ typedef boost::shared_ptr<Function<Position> > PosFunctionPtr;
+ AnnToken(
+ const PosFunctionPtr& pos_expr,
+ const std::string& annotation_name)
+ : pos_expr_(pos_expr),
+ chan_name_(annotation_name)
+ {
+ BOOST_ASSERT(pos_expr_);
+ BOOST_ASSERT(!annotation_name.empty());
+ }
+
+ /**
+ * @returns Name of the function
+ */
+ std::string raw_name() const {
+ return "isannpart";
+ }
+
+ /**
+ * @returns String representation of the predicate
+ */
+ std::string to_string(const Corpus2::Tagset& /* tagset */) const;
+
+protected:
+ const PosFunctionPtr pos_expr_;
+ const std::string chan_name_;
+
+ /**
+ * Returns whether the given position belongs to an annotation in
+ * a channel of the given name.
+ */
+ BaseRetValPtr apply_internal(const FunExecContext& context) const;
+
+ /**
+ * Writes string representation of the predicate to
+ * an output stream.
+ * @returns Stream written to.
+ * @note May be incomplete and/or containt internal info.
+ */
+ std::ostream& write_to(std::ostream& ostream) const;
+};
+
+} /* end ns Wccl */
+
+#endif // LIBWCCL_OPS_FUNCTIONS_BOOL_PREDICATES_ANN_H
diff --git a/libwccl/parser/grammar.g b/libwccl/parser/grammar.g
index b787629..2e146ab 100644
--- a/libwccl/parser/grammar.g
+++ b/libwccl/parser/grammar.g
@@ -47,6 +47,7 @@ header {
#include <libwccl/ops/functions/bool/predicates/strongagreement.h>
#include <libwccl/ops/functions/bool/predicates/annsub.h>
#include <libwccl/ops/functions/bool/predicates/ann.h>
+ #include <libwccl/ops/functions/bool/predicates/anntoken.h>
#include <libwccl/ops/functions/strset/affix.h>
#include <libwccl/ops/functions/strset/getorth.h>
@@ -1782,33 +1783,38 @@ bool_phrase_annotation
{
boost::shared_ptr<Function<Position> > lpos, rpos;
}
- : "phrase" LPAREN
+ : "isannpart" LPAREN
lpos = position_operator [scope] COMMA n1: STRING
RPAREN {
- // TODO
+ ret.reset(new AnnToken(lpos, token_ref_to_std_string(n1)));
}
- | "phrase_beg" LPAREN
+ | "isannbeg" LPAREN
lpos = position_operator [scope] COMMA n2: STRING
RPAREN {
// TODO
}
- | "phrase_end" LPAREN
+ | "isannend" LPAREN
lpos = position_operator [scope] COMMA n3: STRING
RPAREN {
// TODO
}
- | "phrase_whole" LPAREN
- lpos = position_operator [scope] COMMA
- rpos = position_operator [scope] COMMA n4: STRING
+ | "isannhead" LPAREN
+ lpos = position_operator [scope] COMMA n4: STRING
RPAREN {
// TODO
}
- | "phrase_pp" LPAREN
+ | "isannwhole" LPAREN
lpos = position_operator [scope] COMMA
rpos = position_operator [scope] COMMA n5: STRING
RPAREN {
// TODO
}
+ | "isannpp" LPAREN
+ lpos = position_operator [scope] COMMA
+ rpos = position_operator [scope] COMMA n6: STRING
+ RPAREN {
+ // TODO
+ }
;
// ----------------------------------------------------------------------------
@@ -1820,14 +1826,14 @@ bool_phrase_iteration
boost::shared_ptr<Function<Position> > position;
boost::shared_ptr<VarGetter<Position> > var_position;
}
- : "lphrase" LPAREN
+ : "lanniter" LPAREN
position = position_operator [scope] COMMA
var_position = position_variable [scope.variables()] COMMA
n1: STRING
RPAREN {
// TODO
}
- | "rphrase" LPAREN
+ | "ranniter" LPAREN
position = position_operator [scope] COMMA
var_position = position_variable [scope.variables()] COMMA
n2: STRING
--
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