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Paragraph:

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- constify some parameters
- getFontSettings():
- getFirstFontSettings(): return a const ref instead of a copy. This brings a consistent 4% improvement in LateX generation. Might speedup rtl handling too.



git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@26957 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2008-10-19 07:03:44 +00:00
parent d579893c5b
commit 6a8219c190
8 changed files with 57 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/CutAndPaste.cpp
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@ -915,7 +915,7 @@ void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwa
DocIterator selbeg = cur.selectionBegin();
// Get font setting before we cut
Font const font =
Font const & font =
selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
// Insert the new string

54
src/Paragraph.cpp
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@ -109,7 +109,7 @@ public:
/// specified by the latex macro \p ltx, to \p os starting from \p i.
/// \return the number of characters written.
int writeScriptChars(odocstream & os, docstring const & ltx,
Change &, Encoding const &, pos_type & i);
Change const &, Encoding const &, pos_type & i);
/// This could go to ParagraphParameters if we want to.
int startTeXParParams(BufferParams const &, odocstream &, TexRow &,
@ -135,9 +135,9 @@ public:
///
void latexSpecialChar(
odocstream & os,
OutputParams & runparams,
Font & running_font,
Change & running_change,
OutputParams const & runparams,
Font const & running_font,
Change const & running_change,
Layout const & style,
pos_type & i,
unsigned int & column);
@ -146,20 +146,20 @@ public:
bool latexSpecialT1(
char_type const c,
odocstream & os,
pos_type & i,
pos_type i,
unsigned int & column);
///
bool latexSpecialTypewriter(
char_type const c,
odocstream & os,
pos_type & i,
pos_type i,
unsigned int & column);
///
bool latexSpecialPhrase(
odocstream & os,
pos_type & i,
unsigned int & column,
OutputParams & runparams);
OutputParams const & runparams);
///
void validate(LaTeXFeatures & features,
@ -603,7 +603,7 @@ bool Paragraph::Private::simpleTeXBlanks(OutputParams const & runparams,
int Paragraph::Private::writeScriptChars(odocstream & os,
docstring const & ltx,
Change & runningChange,
Change const & runningChange,
Encoding const & encoding,
pos_type & i)
{
@ -840,9 +840,9 @@ void Paragraph::Private::latexInset(
void Paragraph::Private::latexSpecialChar(
odocstream & os,
OutputParams & runparams,
Font & running_font,
Change & running_change,
OutputParams const & runparams,
Font const & running_font,
Change const & running_change,
Layout const & style,
pos_type & i,
unsigned int & column)
@ -970,7 +970,7 @@ void Paragraph::Private::latexSpecialChar(
bool Paragraph::Private::latexSpecialT1(char_type const c, odocstream & os,
pos_type & i, unsigned int & column)
pos_type i, unsigned int & column)
{
switch (c) {
case '>':
@ -998,7 +998,7 @@ bool Paragraph::Private::latexSpecialT1(char_type const c, odocstream & os,
bool Paragraph::Private::latexSpecialTypewriter(char_type const c, odocstream & os,
pos_type & i, unsigned int & column)
pos_type i, unsigned int & column)
{
switch (c) {
case '-':
@ -1020,7 +1020,7 @@ bool Paragraph::Private::latexSpecialTypewriter(char_type const c, odocstream &
bool Paragraph::Private::latexSpecialPhrase(odocstream & os, pos_type & i,
unsigned int & column, OutputParams & runparams)
unsigned int & column, OutputParams const & runparams)
{
// FIXME: if we have "LaTeX" with a font
// change in the middle (before the 'T', then
@ -1327,7 +1327,7 @@ void Paragraph::resetFonts(Font const & font)
}
// Gets uninstantiated font setting at position.
Font const Paragraph::getFontSettings(BufferParams const & bparams,
Font const & Paragraph::getFontSettings(BufferParams const & bparams,
pos_type pos) const
{
if (pos > size()) {
@ -1342,7 +1342,16 @@ Font const Paragraph::getFontSettings(BufferParams const & bparams,
if (pos == size() && !empty())
return getFontSettings(bparams, pos - 1);
return Font(inherit_font, getParLanguage(bparams));
// Optimisation: avoid a full font instantiation if there is no
// language change from previous call.
static Font previous_font;
static Language const * previous_lang = 0;
Language const * lang = getParLanguage(bparams);
if (lang != previous_lang) {
previous_lang = lang;
previous_font = Font(inherit_font, lang);
}
return previous_font;
}
@ -1373,12 +1382,21 @@ FontSpan Paragraph::fontSpan(pos_type pos) const
// Gets uninstantiated font setting at position 0
Font const Paragraph::getFirstFontSettings(BufferParams const & bparams) const
Font const & Paragraph::getFirstFontSettings(BufferParams const & bparams) const
{
if (!empty() && !d->fontlist_.empty())
return d->fontlist_.begin()->font();
return Font(inherit_font, bparams.language);
// Optimisation: avoid a full font instantiation if there is no
// language change from previous call.
static Font previous_font;
static Language const * previous_lang = 0;
if (bparams.language != previous_lang) {
previous_lang = bparams.language;
previous_font = Font(inherit_font, bparams.language);
}
return previous_font;
}

4
src/Paragraph.h
View File

@ -253,10 +253,10 @@ public:
between the characters font and the layoutfont.
This is what is stored in the fonttable
*/
Font const
Font const &
getFontSettings(BufferParams const &, pos_type pos) const;
///
Font const getFirstFontSettings(BufferParams const &) const;
Font const & getFirstFontSettings(BufferParams const &) const;
/** Get fully instantiated font. If pos == -1, use the layout
font attached to this paragraph.

31
src/Session.cpp
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@ -14,6 +14,7 @@
#include "Session.h"
#include "support/debug.h"
#include "support/FileNameList.h"
#include "support/filetools.h"
#include "support/Package.h"
@ -102,31 +103,23 @@ void LastFilesSection::setNumberOfLastFiles(unsigned int no)
}
void LastOpenedSection::read(istream & is)
void LastOpenedSection::read(istream & /*is*/)
{
string tmp;
do {
char c = is.peek();
if (c == '[')
break;
getline(is, tmp);
FileName const file(tmp);
if (tmp == "" || tmp[0] == '#' || tmp[0] == ' ' || !file.isAbsolute())
continue;
if (file.exists() && !file.isDirectory())
lastopened.push_back(file);
lastopened.clear();
FileNameList list;// = theApp()->fileNameListFromSession("last_opened");
for (size_t i = 0; i != list.size(); ++i) {
FileName const & file = list[i];
if (!file.isAbsolute() || !file.exists() || file.isDirectory())
LYXERR(Debug::INIT, "Warning: invalid last opened file: " << file);
else
LYXERR(Debug::INIT, "LyX: Warning: Ignore last opened file: " << tmp);
} while (is.good());
lastopened.push_back(file);
}
}
void LastOpenedSection::write(ostream & os) const
void LastOpenedSection::write(ostream & /*os*/) const
{
os << '\n' << sec_lastopened << '\n';
copy(lastopened.begin(), lastopened.end(),
ostream_iterator<FileName>(os, "\n"));
//theApp()->toSession(lastopened);
}

4
src/Text.cpp
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@ -1541,11 +1541,11 @@ void Text::charsTranspose(Cursor & cur)
// Store the characters to be transposed (including font information).
char_type char1 = par.getChar(pos1);
Font const font1 =
Font const & font1 =
par.getFontSettings(cur.buffer().params(), pos1);
char_type char2 = par.getChar(pos2);
Font const font2 =
Font const & font2 =
par.getFontSettings(cur.buffer().params(), pos2);
// And finally, we are ready to perform the transposition.

2
src/frontends/qt4/GuiCompleter.cpp
View File

@ -455,7 +455,7 @@ void GuiCompleter::updateModel(Cursor & cur, bool popupUpdate, bool inlineUpdate
bool rtl = false;
if (cur.inTexted()) {
Paragraph const & par = cur.paragraph();
Font const font =
Font const & font =
par.getFontSettings(cur.bv().buffer().params(), cur.pos());
rtl = font.isVisibleRightToLeft();
}

2
src/lyxfind.cpp
View File

@ -158,7 +158,7 @@ int replaceAll(BufferView * bv,
cur.setCursor(doc_iterator_begin(buf.inset()));
while (findForward(cur, match, false)) {
pos_type pos = cur.pos();
Font const font
Font const & font
= cur.paragraph().getFontSettings(buf.params(), pos);
cur.recordUndo();
int striked = ssize - cur.paragraph().eraseChars(pos, pos + ssize,

4
src/paragraph_funcs.cpp
View File

@ -36,7 +36,7 @@ static bool moveItem(Paragraph & fromPar, pos_type fromPos,
// Note: moveItem() does not honour change tracking!
// Therefore, it should only be used for breaking and merging paragraphs
Font const tmpFont = fromPar.getFontSettings(params, fromPos);
Font const & tmpFont = fromPar.getFontSettings(params, fromPos);
Change const & tmpChange = fromPar.lookupChange(fromPos);
if (Inset * tmpInset = fromPar.getInset(fromPos)) {
@ -123,7 +123,7 @@ void breakParagraph(BufferParams const & bparams,
// breaking paragraph.
if (tmp->empty()) {
Font changed = tmp->getFirstFontSettings(bparams);
Font old = par.getFontSettings(bparams, par.size());
Font const & old = par.getFontSettings(bparams, par.size());
changed.setLanguage(old.language());
tmp->setFont(0, changed);
}