2 /* This file is part of
3 * ======================================================
5 * LyX, The Document Processor
7 * Copyright 1995 Matthias Ettrich
8 * Copyright 1995-2001 The LyX Team.
10 * ====================================================== */
12 #ifndef PARAGRAPH_PIMPL_H
13 #define PARAGRAPH_PIMPL_H
19 #include "paragraph.h"
20 #include "ParagraphParameters.h"
22 #include <boost/array.hpp>
26 struct Paragraph::Pimpl {
28 typedef std::vector<value_type> TextContainer;
31 Pimpl(Paragraph * owner);
33 Pimpl(Pimpl const &, Paragraph * owner, bool same_ids = false);
35 lyx::pos_type size() const {
41 void setContentsFromPar(Paragraph const * par);
43 value_type getChar(lyx::pos_type pos) const;
45 void setChar(lyx::pos_type pos, value_type c);
47 void insertChar(lyx::pos_type pos, value_type c, LyXFont const & font);
49 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const & font);
51 void erase(lyx::pos_type pos);
53 LyXFont const realizeFont(LyXFont const & font,
54 BufferParams const & bparams) const;
58 boost::array<int, 10> counter_;
61 friend struct matchIT;
64 /// used by lower_bound and upper_bound
66 int operator()(InsetTable const & a, InsetTable const & b) const {
70 /** A font entry covers a range of positions. Notice that the
71 entries in the list are inserted in random order.
72 I don't think it's worth the effort to implement a more effective
73 datastructure, because the number of different fonts in a paragraph
75 Nevertheless, I decided to store fontlist using a sorted vector:
76 fontlist = { {pos_1,font_1} , {pos_2,font_2} , ... } where
77 pos_1 < pos_2 < ..., font_{i-1} != font_i for all i,
78 and font_i covers the chars in positions pos_{i-1}+1,...,pos_i
79 (font_1 covers the chars 0,...,pos_1) (Dekel)
83 FontTable(lyx::pos_type p, LyXFont const & f)
86 font_ = container.get(f);
89 lyx::pos_type pos() const { return pos_; }
91 void pos(lyx::pos_type p) { pos_ = p; }
93 LyXFont const & font() const { return *font_; }
95 void font(LyXFont const & f) { font_ = container.get(f);}
97 /// End position of paragraph this font attribute covers
99 /** Font. Interpretation of the font values:
100 If a value is LyXFont::INHERIT_*, it means that the font
101 attribute is inherited from either the layout of this
102 paragraph or, in the case of nested paragraphs, from the
103 layout in the environment one level up until completely
105 The values LyXFont::IGNORE_* and LyXFont::TOGGLE are NOT
106 allowed in these font tables.
108 boost::shared_ptr<LyXFont> font_;
110 static ShareContainer<LyXFont> container;
113 friend struct matchFT;
116 /// used by lower_bound and upper_bound
118 int operator()(FontTable const & a, FontTable const & b) const {
119 return a.pos() < b.pos();
124 typedef std::vector<FontTable> FontList;
128 Paragraph * TeXDeeper(Buffer const *, BufferParams const &,
129 std::ostream &, TexRow & texrow);
131 void simpleTeXBlanks(std::ostream &, TexRow & texrow,
132 lyx::pos_type const i,
133 int & column, LyXFont const & font,
134 LyXLayout const & style);
136 void simpleTeXSpecialChars(Buffer const *, BufferParams const &,
137 std::ostream &, TexRow & texrow,
139 LyXFont & font, LyXFont & running_font,
140 LyXFont & basefont, bool & open_font,
141 LyXLayout const & style,
143 int & column, value_type const c);
145 Paragraph * getParFromID(int id) const;
149 static unsigned int paragraph_id;
151 ParagraphParameters params;
153 /// match a string against a particular point in the paragraph
154 bool isTextAt(string const & str, lyx::pos_type pos);