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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <svl/IndexedStyleSheets.hxx>
#include <svl/style.hxx>
#include <stdexcept>
#include <algorithm>
#include <utility>
namespace {
const size_t NUMBER_OF_FAMILIES = 7;
size_t family_to_index(SfxStyleFamily family)
{
switch (family) {
case SfxStyleFamily::Char:
return 0;
case SfxStyleFamily::Para:
return 1;
case SfxStyleFamily::Frame:
return 2;
case SfxStyleFamily::Page:
return 3;
case SfxStyleFamily::Pseudo:
return 4;
case SfxStyleFamily::Table:
return 5;
case SfxStyleFamily::All:
return 6;
default: break;
}
assert(false); // only for compiler warning. all cases are handled in the switch
return 0;
}
}
namespace svl {
IndexedStyleSheets::IndexedStyleSheets()
{
for (size_t i = 0; i < NUMBER_OF_FAMILIES; i++) {
mStyleSheetPositionsByFamily.emplace_back();
}
;}
void
IndexedStyleSheets::Register(const SfxStyleSheetBase& style, unsigned pos)
{
mPositionsByName.insert(std::make_pair(style.GetName(), pos));
size_t position = family_to_index(style.GetFamily());
mStyleSheetPositionsByFamily.at(position).push_back(pos);
size_t positionForFamilyAll = family_to_index(SfxStyleFamily::All);
mStyleSheetPositionsByFamily.at(positionForFamilyAll).push_back(pos);
}
void
IndexedStyleSheets::Reindex()
{
mPositionsByName.clear();
mStyleSheetPositionsByFamily.clear();
for (size_t i = 0; i < NUMBER_OF_FAMILIES; i++) {
mStyleSheetPositionsByFamily.emplace_back();
}
unsigned i = 0;
for (const auto& rxStyleSheet : mStyleSheets) {
SfxStyleSheetBase* p = rxStyleSheet.get();
Register(*p, i);
++i;
}
}
unsigned
IndexedStyleSheets::GetNumberOfStyleSheets() const
{
return mStyleSheets.size();
}
void
IndexedStyleSheets::AddStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style)
{
if (!HasStyleSheet(style)) {
mStyleSheets.push_back(style);
// since we just added an element to the vector, we can safely do -1 as it will always be >= 1
Register(*style, mStyleSheets.size()-1);
}
}
bool
IndexedStyleSheets::RemoveStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style)
{
std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(style->GetName());
for (MapType::const_iterator it = range.first; it != range.second; ++it)
{
unsigned pos = it->second;
if (mStyleSheets.at(pos) == style)
{
mStyleSheets.erase(mStyleSheets.begin() + pos);
Reindex();
return true;
}
}
return false;
}
std::vector<unsigned>
IndexedStyleSheets::FindPositionsByName(const OUString& name) const
{
std::vector<unsigned> r;
std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(name);
for (MapType::const_iterator it = range.first; it != range.second; ++it) {
r.push_back(it->second);
}
return r;
}
std::vector<unsigned>
IndexedStyleSheets::FindPositionsByNameAndPredicate(const OUString& name,
StyleSheetPredicate& predicate, SearchBehavior behavior) const
{
std::vector<unsigned> r;
auto range = mPositionsByName.equal_range(name);
for (auto it = range.first; it != range.second; ++it) {
unsigned pos = it->second;
SfxStyleSheetBase *ssheet = mStyleSheets.at(pos).get();
if (predicate.Check(*ssheet)) {
r.push_back(pos);
if (behavior == SearchBehavior::ReturnFirst) {
break;
}
}
}
return r;
}
unsigned
IndexedStyleSheets::GetNumberOfStyleSheetsWithPredicate(StyleSheetPredicate& predicate) const
{
return std::count_if(mStyleSheets.begin(), mStyleSheets.end(),
[&predicate](const rtl::Reference<SfxStyleSheetBase>& rxStyleSheet) {
const SfxStyleSheetBase *ssheet = rxStyleSheet.get();
return predicate.Check(*ssheet);
});
}
SfxStyleSheetBase*
IndexedStyleSheets::GetNthStyleSheetThatMatchesPredicate(
unsigned n,
StyleSheetPredicate& predicate,
unsigned startAt)
{
SfxStyleSheetBase* retval = nullptr;
unsigned matching = 0;
for (VectorType::const_iterator it = mStyleSheets.begin()+startAt; it != mStyleSheets.end(); ++it) {
SfxStyleSheetBase *ssheet = it->get();
if (predicate.Check(*ssheet)) {
if (matching == n) {
retval = it->get();
break;
}
++matching;
}
}
return retval;
}
unsigned
IndexedStyleSheets::FindStyleSheetPosition(const SfxStyleSheetBase& style) const
{
VectorType::const_iterator it = std::find(mStyleSheets.begin(), mStyleSheets.end(), &style);
if (it == mStyleSheets.end()) {
throw std::runtime_error("IndexedStyleSheets::FindStylePosition Looked for style not in index");
}
return std::distance(mStyleSheets.begin(), it);
}
void
IndexedStyleSheets::Clear(StyleSheetDisposer& disposer)
{
for (const auto& rxStyleSheet : mStyleSheets) {
disposer.Dispose(rxStyleSheet);
}
mStyleSheets.clear();
mPositionsByName.clear();
}
IndexedStyleSheets::~IndexedStyleSheets()
{
}
bool
IndexedStyleSheets::HasStyleSheet(const rtl::Reference< SfxStyleSheetBase >& style) const
{
std::pair<MapType::const_iterator, MapType::const_iterator> range = mPositionsByName.equal_range(style->GetName());
for (MapType::const_iterator it = range.first; it != range.second; ++it)
{
if (mStyleSheets.at(it->second) == style)
return true;
}
return false;
}
SfxStyleSheetBase*
IndexedStyleSheets::GetStyleSheetByPosition(unsigned pos)
{
if( pos < mStyleSheets.size() )
return mStyleSheets.at(pos).get();
return nullptr;
}
void
IndexedStyleSheets::ApplyToAllStyleSheets(StyleSheetCallback& callback) const
{
for (const auto& rxStyleSheet : mStyleSheets) {
callback.DoIt(*rxStyleSheet);
}
}
std::vector<unsigned>
IndexedStyleSheets::FindPositionsByPredicate(StyleSheetPredicate& predicate) const
{
std::vector<unsigned> r;
for (VectorType::const_iterator it = mStyleSheets.begin(); it != mStyleSheets.end(); ++it) {
if (predicate.Check(**it)) {
r.push_back(std::distance(mStyleSheets.begin(), it));
}
}
return r;
}
const std::vector<unsigned>&
IndexedStyleSheets::GetStyleSheetPositionsByFamily(SfxStyleFamily e) const
{
size_t position = family_to_index(e);
return mStyleSheetPositionsByFamily.at(position);
}
} /* namespace svl */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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