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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 <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: */
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