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Diffstat (limited to 'svl/source/items/IndexedStyleSheets.cxx')
| -rw-r--r-- | svl/source/items/IndexedStyleSheets.cxx | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/svl/source/items/IndexedStyleSheets.cxx b/svl/source/items/IndexedStyleSheets.cxx new file mode 100644 index 000000000..57e2dddbf --- /dev/null +++ b/svl/source/items/IndexedStyleSheets.cxx @@ -0,0 +1,244 @@ +/* -*- 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, sal_Int32 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(); + } + + sal_Int32 i = 0; + for (const auto& rxStyleSheet : mStyleSheets) { + SfxStyleSheetBase* p = rxStyleSheet.get(); + Register(*p, i); + ++i; + } +} + +sal_Int32 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) + { + sal_Int32 pos = it->second; + if (mStyleSheets.at(pos) == style) + { + mStyleSheets.erase(mStyleSheets.begin() + pos); + Reindex(); + return true; + } + } + return false; +} + +std::vector<sal_Int32> IndexedStyleSheets::FindPositionsByName(const OUString& name) const +{ + std::vector<sal_Int32> 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<sal_Int32> IndexedStyleSheets::FindPositionsByNameAndPredicate(const OUString& name, + StyleSheetPredicate& predicate, SearchBehavior behavior) const +{ + std::vector<sal_Int32> r; + auto range = mPositionsByName.equal_range(name); + for (auto it = range.first; it != range.second; ++it) { + sal_Int32 pos = it->second; + SfxStyleSheetBase *ssheet = mStyleSheets.at(pos).get(); + if (predicate.Check(*ssheet)) { + r.push_back(pos); + if (behavior == SearchBehavior::ReturnFirst) { + break; + } + } + } + return r; +} + + +sal_Int32 +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( + sal_Int32 n, + StyleSheetPredicate& predicate, + sal_Int32 startAt) +{ + SfxStyleSheetBase* retval = nullptr; + sal_Int32 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; +} + +sal_Int32 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(sal_Int32 pos) +{ + if( pos < static_cast<sal_Int32>(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<sal_Int32> +IndexedStyleSheets::FindPositionsByPredicate(StyleSheetPredicate& predicate) const +{ + std::vector<sal_Int32> 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<sal_Int32>& +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: */ |