unoidl/source/sourcefileprovider.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <sal/config.h>
  11
  12 #include <map>
  13 #include <utility>
  14 #include <vector>
  15
  16 #include "sourcefileprovider.hxx"
  17 #include "sourceprovider-scanner.hxx"
  18
  19 namespace unoidl::detail {
  20
  21 namespace {
  22
  23 class Cursor: public MapCursor {
  24 public:
  25     explicit Cursor(std::map< OUString, rtl::Reference<Entity> > const & map):
  26         map_(map), iterator_(map_.begin())
  27     {}
  28
  29 private:
  30     virtual ~Cursor() noexcept override {}
  31
  32     virtual rtl::Reference< Entity > getNext(OUString * name) override;
  33
  34     std::map< OUString, rtl::Reference<Entity> > const & map_; //TODO: extent
  35     std::map< OUString, rtl::Reference<Entity> >::const_iterator iterator_;
  36 };
  37
  38 rtl::Reference< Entity > Cursor::getNext(OUString * name) {
  39     assert(name != nullptr);
  40     rtl::Reference< Entity > ent;
  41     if (iterator_ != map_.end()) {
  42         *name = iterator_->first;
  43         ent = iterator_->second;
  44         ++iterator_;
  45     }
  46     return ent;
  47 }
  48
  49 class Module: public ModuleEntity {
  50 public:
  51     Module() {}
  52
  53     std::map< OUString, rtl::Reference<Entity> > map;
  54
  55 private:
  56     virtual ~Module() noexcept override {}
  57
  58     virtual std::vector<OUString> getMemberNames() const override;
  59
  60     virtual rtl::Reference<MapCursor> createCursor() const override
  61     { return new Cursor(map); }
  62 };
  63
  64 std::vector<OUString> Module::getMemberNames() const {
  65     std::vector<OUString> names;
  66     for (auto & i: map) {
  67         names.push_back(i.first);
  68     }
  69     return names;
  70 }
  71
  72 }
  73
  74 SourceFileProvider::SourceFileProvider(
  75     rtl::Reference<Manager> const & manager, OUString const & uri)
  76 {
  77     SourceProviderScannerData data(manager);
  78     if (!parse(uri, &data)) {
  79         throw NoSuchFileException(uri);
  80     }
  81     for (auto & i: data.entities) {
  82         if (i.second.kind == SourceProviderEntity::KIND_LOCAL) {
  83             assert(i.second.entity.is());
  84             assert(i.second.entity->getSort() != Entity::SORT_MODULE);
  85             std::map< OUString, rtl::Reference<Entity> > * map = &rootMap_;
  86             for (sal_Int32 j = 0;;) {
  87                 OUString id(i.first.getToken(0, '.', j));
  88                 if (j == -1) {
  89                     map->insert(std::make_pair(id, i.second.entity));
  90                     break;
  91                 }
  92                 std::map< OUString, rtl::Reference<Entity> >::const_iterator k(
  93                     map->find(id));
  94                 if (k == map->end()) {
  95                     k = map->insert(std::make_pair(id, new Module)).first;
  96                 }
  97                 Module& mod = dynamic_cast<Module&>(*k->second);
  98                 map = &mod.map;
  99             }
 100         }
 101     }
 102 }
 103
 104 rtl::Reference<MapCursor> SourceFileProvider::createRootCursor() const {
 105     return new Cursor(rootMap_);
 106 }
 107
 108 rtl::Reference<Entity> SourceFileProvider::findEntity(OUString const & name)
 109     const
 110 {
 111     std::map< OUString, rtl::Reference<Entity> > const * map = &rootMap_;
 112     for (sal_Int32 i = 0;;) {
 113         OUString id(name.getToken(0, '.', i));
 114         std::map< OUString, rtl::Reference<Entity> >::const_iterator j(
 115             map->find(id));
 116         if (j == map->end()) {
 117             return rtl::Reference<Entity>();
 118         }
 119         if (i == -1) {
 120             return j->second;
 121         }
 122         if (j->second->getSort() != Entity::SORT_MODULE) {
 123             return rtl::Reference<Entity>();
 124         }
 125         Module * mod = dynamic_cast< Module * >(j->second.get());
 126         assert(mod != nullptr);
 127         map = &mod->map;
 128     }
 129 }
 130
 131 SourceFileProvider::~SourceFileProvider() noexcept {}
 132
 133 }
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */