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"
25 struct Paragraph::Pimpl {
27 typedef std::vector<value_type> TextContainer;
30 Pimpl(Paragraph * owner);
32 Pimpl(Pimpl const &, Paragraph * owner, bool same_ids = false);
34 lyx::pos_type size() const {
44 void setContentsFromPar(Paragraph const * par);
46 value_type getChar(lyx::pos_type pos) const;
48 void setChar(lyx::pos_type pos, value_type c);
50 void insertChar(lyx::pos_type pos, value_type c, LyXFont const & font);
52 void insertInset(lyx::pos_type pos, Inset * inset, LyXFont const & font);
54 void erase(lyx::pos_type pos);
56 LyXFont const realizeFont(LyXFont const & font,
57 BufferParams const & bparams) const;
61 /** A font entry covers a range of positions. Notice that the
62 entries in the list are inserted in random order.
63 I don't think it's worth the effort to implement a more effective
64 datastructure, because the number of different fonts in a paragraph
66 Nevertheless, I decided to store fontlist using a sorted vector:
67 fontlist = { {pos_1,font_1} , {pos_2,font_2} , ... } where
68 pos_1 < pos_2 < ..., font_{i-1} != font_i for all i,
69 and font_i covers the chars in positions pos_{i-1}+1,...,pos_i
70 (font_1 covers the chars 0,...,pos_1) (Dekel)
74 FontTable(lyx::pos_type p, LyXFont const & f)
77 font_ = container.get(f);
80 lyx::pos_type pos() const { return pos_; }
82 void pos(lyx::pos_type p) { pos_ = p; }
84 LyXFont const & font() const { return *font_; }
86 void font(LyXFont const & f) { font_ = container.get(f);}
88 /// End position of paragraph this font attribute covers
90 /** Font. Interpretation of the font values:
91 If a value is LyXFont::INHERIT_*, it means that the font
92 attribute is inherited from either the layout of this
93 paragraph or, in the case of nested paragraphs, from the
94 layout in the environment one level up until completely
96 The values LyXFont::IGNORE_* and LyXFont::TOGGLE are NOT
97 allowed in these font tables.
99 boost::shared_ptr<LyXFont> font_;
101 static ShareContainer<LyXFont> container;
104 friend struct matchFT;
107 /// used by lower_bound and upper_bound
109 int operator()(FontTable const & a, FontTable const & b) const {
110 return a.pos() < b.pos();
115 typedef std::vector<FontTable> FontList;
119 Paragraph * TeXDeeper(Buffer const *, BufferParams const &,
120 std::ostream &, TexRow & texrow);
122 void simpleTeXBlanks(std::ostream &, TexRow & texrow,
123 lyx::pos_type const i,
124 unsigned int & column,
125 LyXFont const & font,
126 LyXLayout const & style);
128 void simpleTeXSpecialChars(Buffer const *, BufferParams const &,
129 std::ostream &, TexRow & texrow,
131 LyXFont & font, LyXFont & running_font,
132 LyXFont & basefont, bool & open_font,
133 LyXLayout const & style,
135 unsigned int & column, value_type const c);
138 void validate(LaTeXFeatures & features,
139 LyXLayout const & layout) const;
142 Paragraph * getParFromID(int id) const;
146 static unsigned int paragraph_id;
148 ParagraphParameters params;
151 /// match a string against a particular point in the paragraph
152 bool isTextAt(string const & str, lyx::pos_type pos) const;