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Introduce a local cache to the getLyXText method for repetitive calls.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@2167 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jürgen Vigna 2001-07-02 15:29:23 +00:00
parent fff924cc29
commit 6687595f9c
3 changed files with 27 additions and 6 deletions
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8
src/insets/ChangeLog
View File

@ -1,3 +1,11 @@
2001-07-02 Juergen Vigna <jug@sad.it>
* insettext.C (getLyXText): introduce a cache in getLyXText so that
following calls are only returned the right pointer without the over
head to search in the map.
(various funcs): reset the cached_bview variable as this signs that
the cache is not valid anymore.
2001-06-29 Jean-Marc Lasgouttes <Jean-Marc.Lasgouttes@inria.fr>
* insettabular.C (clone): do not copy the LyXTabular twice

22
src/insets/insettext.C
View File

@ -111,6 +111,7 @@ void InsetText::init(InsetText const * ins)
old_par = 0;
last_drawn_width = -1;
frame_is_visible = false;
cached_bview = 0;
}
@ -118,6 +119,7 @@ InsetText::~InsetText()
{
// delete all instances of LyXText before deleting the paragraps used
// by it.
cached_bview = 0;
for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
delete (*cit).second;
(*cit).second = 0;
@ -135,6 +137,7 @@ void InsetText::clear()
{
// delete all instances of LyXText before deleting the paragraps used
// by it.
cached_bview = 0;
for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
delete (*cit).second;
(*cit).second = 0;
@ -1498,6 +1501,7 @@ void InsetText::setParagraphData(Paragraph * p)
{
// delete all instances of LyXText before deleting the paragraps used
// by it.
cached_bview = 0;
for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
delete (*cit).second;
(*cit).second = 0;
@ -1613,28 +1617,34 @@ Row * InsetText::crow(BufferView * bv) const
LyXText * InsetText::getLyXText(BufferView const * lbv,
bool const recursive) const
{
if (!recursive && cached_bview && (cached_bview == lbv))
return cached_text;
// Super UGLY! (Lgb)
BufferView * bv = const_cast<BufferView *>(lbv);
cached_bview = bv;
if ((cache.find(bv) != cache.end()) && cache[bv]) {
cached_text = cache[bv];
if (recursive && the_locking_inset)
return the_locking_inset->getLyXText(bv);
return cache[bv];
return cached_text;
}
LyXText * lt = new LyXText(const_cast<InsetText *>(this));
lt->init(bv);
cache[bv] = lt;
cached_text = new LyXText(const_cast<InsetText *>(this));
cached_text->init(bv);
cache[bv] = cached_text;
if (the_locking_inset) {
lt->setCursor(bv, inset_par, inset_pos, true, inset_boundary);
cached_text->setCursor(bv, inset_par, inset_pos, true, inset_boundary);
if (recursive)
return the_locking_inset->getLyXText(bv);
}
return lt;
return cached_text;
}
void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
{
cached_bview = 0;
if ((cache.find(bv) == cache.end()) || !cache[bv])
return;
delete cache[bv];

3
src/insets/insettext.h
View File

@ -322,5 +322,8 @@ private:
mutable int last_drawn_width;
///
mutable bool frame_is_visible;
///
mutable BufferView * cached_bview;
mutable LyXText * cached_text;
};
#endif