WIP: additional unoidl::Provider that directly reads a single .idl file

Change-Id: Iab795a34a657cb36ced24a1a05f6c21a6c1637aa

unoidl/Library_unoidl.mk

@@ -13,6 +13,7 @@ $(eval $(call gb_Library_add_defs,unoidl,-DLO_DLLIMPLEMENTATION_UNOIDL))
 
 $(eval $(call gb_Library_add_exception_objects,unoidl, \
     unoidl/source/legacyprovider \
+    unoidl/source/sourcefileprovider \
     unoidl/source/sourcetreeprovider \
     unoidl/source/unoidl \
     unoidl/source/unoidlprovider \

unoidl/source/sourcefileprovider.cxx

+/* -*- 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 "sal/config.h"
+
+#include <map>
+#include <utility>
+#include <vector>
+
+#include "sourcefileprovider.hxx"
+#include "sourceprovider-scanner.hxx"
+
+namespace unoidl { namespace detail {
+
+namespace {
+
+class Cursor: public MapCursor {
+public:
+    explicit Cursor(std::map< OUString, rtl::Reference<Entity> > const & map):
+        map_(map), iterator_(map_.begin())
+    {}
+
+private:
+    virtual ~Cursor() throw () {}
+
+    virtual rtl::Reference< Entity > getNext(OUString * name);
+
+    std::map< OUString, rtl::Reference<Entity> > const & map_; //TODO: extent
+    std::map< OUString, rtl::Reference<Entity> >::const_iterator iterator_;
+};
+
+rtl::Reference< Entity > Cursor::getNext(OUString * name) {
+    assert(name != 0);
+    rtl::Reference< Entity > ent;
+    if (iterator_ != map_.end()) {
+        *name = iterator_->first;
+        ent = iterator_->second;
+        ++iterator_;
+    }
+    return ent;
+}
+
+class Module: public ModuleEntity {
+public:
+    Module() {}
+
+    std::map< OUString, rtl::Reference<Entity> > map;
+
+private:
+    virtual ~Module() throw () {}
+
+    virtual std::vector<rtl::OUString> getMemberNames() const;
+
+    virtual rtl::Reference<MapCursor> createCursor() const
+    { return new Cursor(map); }
+};
+
+std::vector<rtl::OUString> Module::getMemberNames() const {
+    std::vector<rtl::OUString> names;
+    for (std::map< OUString, rtl::Reference<Entity> >::const_iterator i(
+             map.begin());
+         i != map.end(); ++i)
+    {
+        names.push_back(i->first);
+    }
+    return names;
+}
+
+}
+
+SourceFileProvider::SourceFileProvider(
+    rtl::Reference<Manager> const & manager, OUString const & uri)
+{
+    SourceProviderScannerData data(manager);
+    if (!parse(uri, &data)) {
+        throw NoSuchFileException(uri);
+    }
+    for (std::map<OUString, SourceProviderEntity>::iterator i(
+             data.entities.begin());
+         i != data.entities.end(); ++i)
+    {
+        if (i->second.kind == SourceProviderEntity::KIND_LOCAL) {
+            assert(i->second.entity.is());
+            assert(i->second.entity->getSort() != Entity::SORT_MODULE);
+            std::map< OUString, rtl::Reference<Entity> > * map = &rootMap_;
+            for (sal_Int32 j = 0;;) {
+                OUString id(i->first.getToken(0, '.', j));
+                if (j == -1) {
+                    map->insert(std::make_pair(id, i->second.entity));
+                    break;
+                }
+                std::map< OUString, rtl::Reference<Entity> >::const_iterator k(
+                    map->find(id));
+                if (k == map->end()) {
+                    k = map->insert(std::make_pair(id, new Module)).first;
+                }
+                Module * mod = dynamic_cast< Module * >(k->second.get());
+                assert(mod != 0);
+                map = &mod->map;
+            }
+        }
+    }
+}
+
+rtl::Reference<MapCursor> SourceFileProvider::createRootCursor() const {
+    return new Cursor(rootMap_);
+}
+
+rtl::Reference<Entity> SourceFileProvider::findEntity(OUString const & name)
+    const
+{
+    std::map< OUString, rtl::Reference<Entity> > const * map = &rootMap_;
+    for (sal_Int32 i = 0;;) {
+        OUString id(name.getToken(0, '.', i));
+        std::map< OUString, rtl::Reference<Entity> >::const_iterator j(
+            map->find(id));
+        if (j == map->end()) {
+            return rtl::Reference<Entity>();
+        }
+        if (i == -1) {
+            return j->second;
+        }
+        if (j->second->getSort() != Entity::SORT_MODULE) {
+            return rtl::Reference<Entity>();
+        }
+        Module * mod = dynamic_cast< Module * >(j->second.get());
+        assert(mod != 0);
+        map = &mod->map;
+    }
+}
+
+SourceFileProvider::~SourceFileProvider() throw () {}
+
+} }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

unoidl/source/sourcefileprovider.hxx

+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_UNOIDL_SOURCEFILEPROVIDER_HXX
+#define INCLUDED_UNOIDL_SOURCEFILEPROVIDER_HXX
+
+#include "sal/config.h"
+
+#include <map>
+
+#include "rtl/ref.hxx"
+#include "unoidl/unoidl.hxx"
+
+namespace unoidl { namespace detail {
+
+class SourceFileProvider: public Provider {
+public:
+    // throws FileFormatException, NoSuchFileException:
+    SourceFileProvider(
+        rtl::Reference<Manager> const & manager, OUString const & uri);
+
+    // throws FileFormatException:
+    virtual rtl::Reference<MapCursor> createRootCursor() const;
+
+    // throws FileFormatException:
+    virtual rtl::Reference<Entity> findEntity(OUString const & name) const;
+
+private:
+    virtual ~SourceFileProvider() throw ();
+
+    std::map< OUString, rtl::Reference<Entity> > rootMap_;
+};
+
+} }
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

unoidl/source/unoidl.cxx

@@ -20,6 +20,7 @@
 #include "unoidl/unoidl.hxx"
 
 #include "legacyprovider.hxx"
+#include "sourcefileprovider.hxx"
 #include "sourcetreeprovider.hxx"
 #include "unoidlprovider.hxx"
 
@@ -117,6 +118,9 @@ rtl::Reference< Provider > loadProvider(
             return new detail::SourceTreeProvider(manager, uri);
         }
     }
+    if (uri.endsWith(".idl")) {
+        return new detail::SourceFileProvider(manager, uri);
+    }
     try {
         return new detail::UnoidlProvider(uri);
     } catch (FileFormatException & e) {