121 lines
4.1 KiB
C++
121 lines
4.1 KiB
C++
// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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struct label_info;
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enum label_type { NORMAL_LABEL, SHORT_LABEL };
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const int N_LABEL_TYPES = 2;
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struct substring_position {
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int start;
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int length;
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substring_position() : start(-1) { }
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};
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class int_set {
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string v;
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public:
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int_set() { }
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void set(int i);
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int get(int i) const;
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};
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class reference {
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private:
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unsigned h;
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reference_id rid;
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int merged;
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string sort_key;
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int no;
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string *field;
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int nfields;
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unsigned char field_index[256];
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enum { NULL_FIELD_INDEX = 255 };
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string label;
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substring_position separator_pos;
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string short_label;
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substring_position short_separator_pos;
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label_info *label_ptr;
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string authors;
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int computed_authors;
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int last_needed_author;
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int nauthors;
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int_set last_name_unambiguous;
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int contains_field(char) const;
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void insert_field(unsigned char, string &s);
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void delete_field(unsigned char);
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void set_date(string &);
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const char *get_sort_field(int i, int si, int ssi, const char **endp) const;
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int merge_labels_by_parts(reference **, int, label_type, string &);
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int merge_labels_by_number(reference **, int, label_type, string &);
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public:
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reference(const char * = 0, int = -1, reference_id * = 0);
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~reference();
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void output(FILE *);
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void print_sort_key_comment(FILE *);
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void set_number(int);
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int get_number() const { return no; }
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unsigned hash() const { return h; }
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const string &get_label(label_type type) const;
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const substring_position &get_separator_pos(label_type) const;
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int is_merged() const { return merged; }
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void compute_sort_key();
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void compute_hash_code();
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void pre_compute_label();
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void compute_label();
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void immediate_compute_label();
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int classify();
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void merge(reference &);
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int merge_labels(reference **, int, label_type, string &);
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int get_nauthors() const;
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void need_author(int);
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void set_last_name_unambiguous(int);
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void sortify_authors(int, string &) const;
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void canonicalize_authors(string &) const;
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void sortify_field(unsigned char, int, string &) const;
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const char *get_author(int, const char **) const;
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const char *get_author_last_name(int, const char **) const;
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const char *get_date(const char **) const;
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const char *get_year(const char **) const;
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const char *get_field(unsigned char, const char **) const;
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const label_info *get_label_ptr() const { return label_ptr; }
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const char *get_authors(const char **) const;
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// for sorting
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friend int compare_reference(const reference &r1, const reference &r2);
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// for merging
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friend int same_reference(const reference &, const reference &);
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friend int same_year(const reference &, const reference &);
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friend int same_date(const reference &, const reference &);
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friend int same_author_last_name(const reference &, const reference &, int);
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friend int same_author_name(const reference &, const reference &, int);
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};
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const char *find_year(const char *, const char *, const char **);
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const char *find_last_name(const char *, const char *, const char **);
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const char *nth_field(int i, const char *start, const char **endp);
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void capitalize(const char *ptr, const char *end, string &result);
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void reverse_name(const char *ptr, const char *end, string &result);
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void uppercase(const char *ptr, const char *end, string &result);
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void lowercase(const char *ptr, const char *end, string &result);
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void abbreviate_name(const char *ptr, const char *end, string &result);
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