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da76673568
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2385 a592a061-630c-0410-9148-cb99ea01b6c8
128 lines
2.3 KiB
C
128 lines
2.3 KiB
C
/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team
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*
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* This file is Copyright 2000-2001
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* Lars Gullik Bjønnes
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*
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* ====================================================== */
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#include <config.h>
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#ifdef __GNUG__
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#pragma implementation
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#endif
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#include <algorithm>
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#include "TextCache.h"
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#include "buffer.h"
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#include "bufferlist.h"
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#include "debug.h"
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using std::ostream;
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using std::for_each;
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using std::remove_if;
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using std::find_if;
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using std::endl;
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using std::make_pair;
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extern BufferList bufferlist;
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namespace {
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class text_fits {
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public:
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text_fits(Buffer * b, int p)
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: buf(b), pw(p) {}
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bool operator()(TextCache::value_type const & vt) const {
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if (vt.first == buf && vt.second.first == pw)
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return true;
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return false;
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}
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private:
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Buffer * buf;
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int pw;
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};
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class show_text {
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public:
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show_text(ostream & o) : os(o) {}
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void operator()(TextCache::value_type const & vt) {
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os << "\tBuffer: " << vt.first
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<< "\tWidth: " << vt.second.first << endl;
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}
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private:
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ostream & os;
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};
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class delete_text {
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public:
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void operator()(TextCache::value_type & vt) {
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delete vt.second.second;
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}
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};
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} // namespace anon
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LyXText * TextCache::findFit(Buffer * b, int p)
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{
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Cache::iterator it = find_if(cache.begin(), cache.end(),
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text_fits(b, p));
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if (it != cache.end()) {
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LyXText * tmp = it->second.second;
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cache.erase(it);
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return tmp;
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}
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return 0;
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}
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void TextCache::show(ostream & os, string const & str)
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{
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os << "TextCache: " << str << endl;
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for_each(cache.begin(), cache.end(), show_text(os));
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}
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void TextCache::show(ostream & os, TextCache::value_type const & vt)
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{
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show_text st(os);
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st(vt);
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}
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void TextCache::add(Buffer * buf, int workwidth, LyXText * text)
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{
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lyxerr[Debug::INFO] << "TextCache::add " << text;
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if (bufferlist.isLoaded(buf)) {
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cache[buf] = make_pair(workwidth, text);
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lyxerr[Debug::INFO] << " added" << endl;
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} else {
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delete text;
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lyxerr[Debug::INFO] << " deleted" << endl;
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}
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}
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void TextCache::clear()
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{
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for_each(cache.begin(), cache.end(), delete_text());
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cache.clear();
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}
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void TextCache::removeAllWithBuffer(Buffer * buf)
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{
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cache.erase(buf);
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}
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// Global instance
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TextCache textcache;
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