diff options
Diffstat (limited to 'src/core/model')
| -rw-r--r-- | src/core/model/Syntax.cpp | 58 | ||||
| -rw-r--r-- | src/core/model/Syntax.hpp | 196 |
2 files changed, 254 insertions, 0 deletions
diff --git a/src/core/model/Syntax.cpp b/src/core/model/Syntax.cpp new file mode 100644 index 0000000..9dbaccc --- /dev/null +++ b/src/core/model/Syntax.cpp @@ -0,0 +1,58 @@ +/* + Ousía + Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel + + 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 + 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, see <http://www.gnu.org/licenses/>. +*/ + +#include "Syntax.hpp" + +#include "Domain.hpp" + +namespace ousia { + +/* Class TokenSyntaxDescriptor */ + +bool SyntaxDescriptor::isAnnotation() const +{ + return descriptor->isa(&RttiTypes::AnnotationClass); +} +bool SyntaxDescriptor::isFieldDescriptor() const +{ + return descriptor->isa(&RttiTypes::FieldDescriptor); +} +bool SyntaxDescriptor::isStruct() const +{ + return descriptor->isa(&RttiTypes::StructuredClass); +} + +void SyntaxDescriptor::insertIntoTokenSet(TokenSet &set) const +{ + if (start != Tokens::Empty) { + set.insert(start); + } + if (end != Tokens::Empty) { + set.insert(end); + } + if (shortForm != Tokens::Empty) { + set.insert(shortForm); + } +} + +bool SyntaxDescriptor::isEmpty() const +{ + return start == Tokens::Empty && end == Tokens::Empty && + shortForm == Tokens::Empty; +} +}
\ No newline at end of file diff --git a/src/core/model/Syntax.hpp b/src/core/model/Syntax.hpp new file mode 100644 index 0000000..4da3408 --- /dev/null +++ b/src/core/model/Syntax.hpp @@ -0,0 +1,196 @@ +/* + Ousía + Copyright (C) 2014, 2015 Benjamin Paaßen, Andreas Stöckel + + 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 + 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, see <http://www.gnu.org/licenses/>. +*/ + +/** + * @file Syntax.hpp + * + * This header contains the Descriptor classes for user definable syntax for + * Document entities or fields. These classes are referenced in Ontology.hpp. + */ + +#ifndef _OUSIA_MODEL_SYNTAX_HPP_ +#define _OUSIA_MODEL_SYNTAX_HPP_ + +#include <core/common/Token.hpp> +#include "Node.hpp" + +namespace ousia { + +/** + * Class to describe a single token that shall be used as user-defined syntax. + */ +struct TokenDescriptor { + /** + * The string content of this token, if it is not a special one. + */ + std::string token; + /** + * A flag to be set true if this TokenDescriptor uses a special token. + */ + bool special; + /** + * An id to uniquely identify this token. + */ + TokenId id; + + /** + * Constructor for non-special tokens. The special flag is set to false and + * the id to Tokens::Empty. + * + * @param token The string content of this token, if it is not a special + * one. + */ + TokenDescriptor(std::string token = std::string()) + : token(std::move(token)), special(false), id(Tokens::Empty) + { + } + + /** + * Constructor for special tokens. The token is set to an empty string and + * the special flag to true. + * + * @param id the id of the special token. + */ + TokenDescriptor(TokenId id) : special(true), id(id) {} + + /** + * Returns true if and only if neither a string nor an ID is given. + * + * @return true if and only if neither a string nor an ID is given. + */ + bool isEmpty() const { return token.empty() && id == Tokens::Empty; } +}; + +/** + * Class describing the user defined syntax for a StructuredClass, + * AnnotationClass or FieldDescriptor. + * + * This class is used during parsing of a Document. It is used to describe + * the tokens relevant for one Descriptor that could be created at this point + * during parsing. + */ +struct SyntaxDescriptor { + /** + * Possible start token or Tokens::Empty if no token is set. + */ + TokenId start; + + /** + * Possible end token or Tokens::Empty if no token is set. + */ + TokenId end; + + /** + * Possible representation token or Tokens::Empty if no token is set. + */ + TokenId shortForm; + + /* + * The Descriptor this SyntaxDescriptor belongs to. As this may be + * a FieldDescriptor as well as a class Descriptor (StructuredClass or + * AnnotationClass) we can only use the class Node as inner argument here. + */ + Rooted<Node> descriptor; + /* + * Given the current leaf in the parsed document the depth of a + * SyntaxDescriptor is defined as the number of transparent elements that + * would be needed to construct an instance of the referenced descriptor. + */ + ssize_t depth; + + /** + * Default constructor, sets all token ids to Tokens::Empty and the + * descriptor handle to nullptr. + */ + SyntaxDescriptor() + : start(Tokens::Empty), + end(Tokens::Empty), + shortForm(Tokens::Empty), + descriptor(nullptr), + depth(-1) + { + } + + /** + * Member initializer constructor. + * + * @param start is a possible start token. + * @param end is a possible end token. + * @param shortForm is a possible short form token. + * @param descriptor The Descriptor this SyntaxDescriptor belongs to. + * @param depth Given the current leaf in the parsed document the depth of a + * SyntaxDescriptor is defined as the number of transparent elements that + * would be needed to construct an instance of the referenced descriptor. + */ + SyntaxDescriptor(TokenId start, TokenId end, TokenId shortForm, + Handle<Node> descriptor, ssize_t depth) + : start(start), + end(end), + shortForm(shortForm), + descriptor(descriptor), + depth(depth) + { + } + + /** + * Inserts all tokens referenced in this SyntaxDescriptor into the + * given TokenSet. Skips token ids set to Tokens::Empty. + * + * @param set is the TokenSet instance into which the Tokens should be + * inserted. + */ + void insertIntoTokenSet(TokenSet &set) const; + + /** + * Returns true if and only if this SyntaxDescriptor belongs to an + * AnnotationClass. + * + * @return true if and only if this SyntaxDescriptor belongs to an + * AnnotationClass. + */ + bool isAnnotation() const; + + /** + * Returns true if and only if this SyntaxDescriptor belongs to a + * StrcturedClass. + * + * @return true if and only if this SyntaxDescriptor belongs to a + * StrcturedClass. + */ + bool isStruct() const; + + /** + * Returns true if and only if this SyntaxDescriptor belongs to a + * FieldDescriptor. + * + * @return true if and only if this SyntaxDescriptor belongs to a + * FieldDescriptor. + */ + bool isFieldDescriptor() const; + + /** + * Returns true if and only if this SyntaxDescriptor has only empty + * entries in start, end and short. + * + * @return true if and only if this SyntaxDescriptor has only empty + * entries in start, end and short. + */ + bool isEmpty() const; +}; +} +#endif
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