Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 210 insertions, 0 deletions

diff --git a/unoidl/source/sourcetreeprovider.cxx b/unoidl/source/sourcetreeprovider.cxx
new file mode 100644
index 000000000..fd780f8df
--- /dev/null
+++ b/unoidl/source/sourcetreeprovider.cxx
@@ -0,0 +1,210 @@
+/* -*- 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 <sal/log.hxx>
+
+#include <map>
+#include <vector>
+
+#include <osl/file.h>
+#include <osl/file.hxx>
+#include <rtl/character.hxx>
+#include <rtl/ref.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <unoidl/unoidl.hxx>
+
+#include "sourceprovider-scanner.hxx"
+#include "sourcetreeprovider.hxx"
+
+#if defined MACOSX
+#include <dirent.h>
+#include <osl/thread.h>
+#endif
+
+namespace unoidl::detail {
+
+namespace {
+
+//TODO: Bad hack to work around osl::FileStatus::getFileName not determining the
+// original spelling of a file name (not even with
+// osl_FileStatus_Mask_Validate):
+OUString getFileName(OUString const & uri, osl::FileStatus const & status) {
+#if defined MACOSX
+    sal_Int32 i = uri.lastIndexOf('/') + 1;
+    OUString path;
+    if (osl::FileBase::getSystemPathFromFileURL(uri.copy(0, i), path)
+        != osl::FileBase::E_None)
+    {
+        SAL_WARN(
+            "unoidl",
+            "cannot getSystemPathFromFileURL(" << uri.copy(0, i) << ")");
+        return status.getFileName();
+    }
+    OString dir(OUStringToOString(path, osl_getThreadTextEncoding()));
+    OString name(OUStringToOString(uri.copy(i), osl_getThreadTextEncoding()));
+    DIR * d = opendir(dir.getStr());
+    if (d == nullptr) {
+        SAL_WARN("unoidl", "cannot opendir(" << dir << ")");
+        return status.getFileName();
+    }
+    for (;;) {
+        dirent ent;
+        dirent * p;
+        int e = readdir_r(d, &ent, &p);
+        if (e != 0) {
+            SAL_WARN("unoidl", "cannot readdir_r");
+            closedir(d);
+            return status.getFileName();
+        }
+        if (p == nullptr) {
+            SAL_WARN(
+                "unoidl", "cannot find " << name << " via readdir of " << dir);
+            closedir(d);
+            return status.getFileName();
+        }
+        if (name.equalsIgnoreAsciiCase(p->d_name)) {
+            closedir(d);
+            return OUString(
+                p->d_name, std::strlen(p->d_name), osl_getThreadTextEncoding());
+        }
+    }
+#else
+    (void) uri;
+    return status.getFileName();
+#endif
+}
+
+bool exists(OUString const & uri, bool directory) {
+    osl::DirectoryItem item;
+    osl::FileStatus status(
+        osl_FileStatus_Mask_Type | osl_FileStatus_Mask_FileName);
+    return osl::DirectoryItem::get(uri, item) == osl::FileBase::E_None
+        && item.getFileStatus(status) == osl::FileBase::E_None
+        && (status.getFileType() == osl::FileStatus::Directory) == directory
+        && getFileName(uri, status) == uri.copy(uri.lastIndexOf('/') + 1);
+}
+
+class Cursor: public MapCursor {
+public:
+    Cursor() {}
+
+private:
+    virtual ~Cursor() throw () override {}
+
+    virtual rtl::Reference<Entity> getNext(OUString *) override
+    { return rtl::Reference<Entity>(); } //TODO
+};
+
+class SourceModuleEntity: public ModuleEntity {
+public:
+    SourceModuleEntity() {}
+
+private:
+    virtual ~SourceModuleEntity() throw () override {}
+
+    virtual std::vector<OUString> getMemberNames() const override
+    { return std::vector<OUString>(); } //TODO
+
+    virtual rtl::Reference< MapCursor > createCursor() const override
+    { return new Cursor; }
+};
+
+}
+
+SourceTreeProvider::SourceTreeProvider(Manager & manager, OUString const & uri):
+    manager_(manager), uri_(uri.endsWith("/") ? uri : uri + "/")
+{}
+
+rtl::Reference<MapCursor> SourceTreeProvider::createRootCursor() const {
+    return new Cursor;
+}
+
+rtl::Reference<Entity> SourceTreeProvider::findEntity(OUString const & name)
+    const
+{
+    std::map< OUString, rtl::Reference<Entity> >::iterator ci(
+        cache_.find(name));
+    if (ci != cache_.end()) {
+        return ci->second;
+    }
+    // Match name against
+    //   name ::= identifier ("." identifier)*
+    //   identifier ::= upper-blocks | lower-block
+    //   upper-blocks ::= upper ("_"? alnum)*
+    //   lower-block :== lower alnum*
+    //   alnum ::= digit | upper | lower
+    //   digit ::= "0"--"9"
+    //   upper ::= "A"--"Z"
+    //   lower ::= "a"--"z"
+    OUStringBuffer buf(name);
+    sal_Int32 start = 0;
+    sal_Int32 i = 0;
+    for (; i != name.getLength(); ++i) {
+        sal_Unicode c = name[i];
+        if (c == '.') {
+            assert(i == start || i != 0);
+            if (i == start || name[i - 1] == '_') {
+                throw FileFormatException( //TODO
+                    "", "Illegal UNOIDL identifier \"" + name + "\"");
+            }
+            buf[i] = '/';
+            start = i + 1;
+        } else if (c == '_') {
+            assert(i == start || i != 0);
+            if (i == start || name[i - 1] == '_'
+                || !rtl::isAsciiUpperCase(name[start]))
+            {
+                throw FileFormatException( //TODO
+                    "", "Illegal UNOIDL identifier \"" + name + "\"");
+            }
+        } else if (rtl::isAsciiDigit(c)) {
+            if (i == start) {
+                throw FileFormatException( //TODO
+                    "", "Illegal UNOIDL identifier \"" + name + "\"");
+            }
+        } else if (!rtl::isAsciiAlpha(c)) {
+            throw FileFormatException( //TODO
+                "", "Illegal UNOIDL identifier \"" + name + "\"");
+        }
+    }
+    if (i == start) {
+        throw FileFormatException( //TODO
+            "", "Illegal UNOIDL identifier \"" + name + "\"");
+    }
+    OUString uri(uri_ + buf.makeStringAndClear());
+    rtl::Reference<Entity> ent;
+    // Prevent conflicts between foo/ and Foo.idl on case-preserving file
+    // systems:
+    if (exists(uri, true) && !exists(uri + ".idl", false)) {
+        ent = new SourceModuleEntity;
+    } else {
+        uri += ".idl";
+        SourceProviderScannerData data(&manager_);
+        if (parse(uri, &data)) {
+            std::map<OUString, SourceProviderEntity>::const_iterator j(
+                data.entities.find(name));
+            if (j != data.entities.end()) {
+                ent = j->second.entity;
+            }
+            SAL_WARN_IF(
+                !ent.is(), "unoidl",
+                "<" << uri << "> does not define entity " << name);
+        }
+    }
+    cache_.emplace(name, ent);
+    return ent;
+}
+
+SourceTreeProvider::~SourceTreeProvider() throw () {}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */