3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Asger Alstrup
7 * \author Lars Gullik Bjønnes
8 * \author Jean-Marc Lasgouttes
9 * \author Angus Leeming
11 * \author André Pönitz
13 * \author Jürgen Vigna
14 * \author Abdelrazak Younes
16 * Full author contact details are available in file CREDITS.
23 #include <boost/next_prior.hpp>
39 /// used by lower_bound and upper_bound
40 int operator()(FontTable const & a, FontTable const & b) const {
41 return a.pos() < b.pos();
47 FontList::iterator FontList::fontIterator(pos_type pos)
50 FontTable search_elem(pos, dummy);
51 return lower_bound(list_.begin(), list_.end(), search_elem,
56 FontList::const_iterator FontList::fontIterator(pos_type pos) const
59 FontTable search_elem(pos, dummy);
60 return lower_bound(list_.begin(), list_.end(), search_elem,
65 Font & FontList::get(pos_type pos)
67 iterator end = list_.end();
68 iterator it = fontIterator(pos);
69 if (it != end && it->pos() == pos)
76 void FontList::erase(pos_type pos)
78 // Erase entries in the tables.
79 iterator it = fontIterator(pos);
80 iterator beg = list_.begin();
81 if (it != list_.end() && it->pos() == pos
83 || (it != list_.begin() && boost::prior(it)->pos() == pos - 1))) {
85 // If it is a multi-character font
86 // entry, we just make it smaller
87 // (see update below), otherwise we
89 unsigned int const i = it - list_.begin();
91 if (i >= list_.size())
93 it = list_.begin() + i;
94 if (i > 0 && i < list_.size() &&
95 list_[i - 1].font() == list_[i].font()) {
96 list_.erase(beg + i - 1);
97 it = list_.begin() + i - 1;
101 // Update all other entries
102 iterator end = list_.end();
103 for (; it != end; ++it)
104 it->pos(it->pos() - 1);
107 void FontList::increasePosAfterPos(pos_type pos)
109 List::iterator end = list_.end();
110 List::iterator it = fontIterator(pos);
111 for (; it != end; ++it)
116 void FontList::decreasePosAfterPos(pos_type pos)
118 List::iterator end = list_.end();
119 List::iterator it = fontIterator(pos);
120 for (; it != end; ++it)
125 void FontList::setRange(pos_type startpos, pos_type endpos, Font const & font)
127 // FIXME: Optimize!!!
128 for (pos_type pos = startpos; pos != endpos; ++pos)
133 void FontList::set(pos_type pos, Font const & font)
135 // No need to simplify this because it will disappear
136 // in a new kernel. (Asger)
137 // Next search font table
139 iterator beg = list_.begin();
141 iterator endit = list_.end();
143 for (; it != endit; ++it) {
144 if (it->pos() >= pos) {
149 if (found && it->font() == font)
152 size_t const i = distance(beg, it);
154 // Is position pos is a beginning of a font block?
155 bool begin = pos == 0 || !found
156 || (i > 0 && list_[i - 1].pos() == pos - 1);
158 // Is position pos is the end of a font block?
159 bool end = found && list_[i].pos() == pos;
161 if (!begin && !end) {
162 // The general case: The block is splitted into 3 blocks
163 list_.insert(list_.begin() + i,
164 FontTable(pos - 1, list_[i].font()));
165 list_.insert(list_.begin() + i + 1,
166 FontTable(pos, font));
171 // A single char block
172 if (i + 1 < list_.size() &&
173 list_[i + 1].font() == font) {
174 // Merge the singleton block with the next block
175 list_.erase(list_.begin() + i);
176 if (i > 0 && list_[i - 1].font() == font)
177 list_.erase(list_.begin() + i - 1);
178 } else if (i > 0 && list_[i - 1].font() == font) {
179 // Merge the singleton block with the previous block
180 list_[i - 1].pos(pos);
181 list_.erase(list_.begin() + i);
185 if (i > 0 && list_[i - 1].font() == font)
186 list_[i - 1].pos(pos);
188 list_.insert(list_.begin() + i,
189 FontTable(pos, font));
191 list_[i].pos(pos - 1);
192 if (!(i + 1 < list_.size() &&
193 list_[i + 1].font() == font))
194 list_.insert(list_.begin() + i + 1,
195 FontTable(pos, font));
200 FontSize FontList::highestInRange
201 (pos_type startpos, pos_type endpos, FontSize def_size) const
206 const_iterator end_it = list_.begin();
207 const_iterator const end = list_.end();
208 for (; end_it != end; ++end_it) {
209 if (end_it->pos() >= endpos)
216 FontList::const_iterator cit = list_.begin();
217 for (; cit != end; ++cit) {
218 if (cit->pos() >= startpos)
222 FontSize maxsize = FONT_SIZE_TINY;
223 for (; cit != end_it; ++cit) {
224 FontSize size = cit->font().fontInfo().size();
225 if (size == FONT_SIZE_INHERIT)
227 if (size > maxsize && size <= FONT_SIZE_HUGER)
234 bool FontList::hasChangeInRange(pos_type pos, int len) const
236 // FIXME: can't we use fontIterator(pos) instead?
237 const_iterator cit = list_.begin();
238 const_iterator end = list_.end();
239 for (; cit != end; ++cit) {
240 if (cit->pos() >= pos)
243 if (cit != end && pos + len - 1 > cit->pos())
250 void FontList::validate(LaTeXFeatures & features) const
252 const_iterator fcit = list_.begin();
253 const_iterator fend = list_.end();
254 for (; fcit != fend; ++fcit)
255 fcit->font().validate(features);