873 lines
28 KiB
C++
873 lines
28 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "boost/noncopyable.hpp"
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#include "rtl/bootstrap.h"
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#include "rtl/bootstrap.hxx"
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#include <osl/diagnose.h>
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#include <osl/module.h>
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#include <osl/process.h>
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#include <osl/file.hxx>
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#include <osl/mutex.hxx>
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#include <osl/profile.hxx>
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#include <osl/security.hxx>
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#include <rtl/alloc.h>
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#include <rtl/string.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <rtl/ustring.hxx>
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#include <rtl/byteseq.hxx>
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#include <rtl/instance.hxx>
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#include <rtl/malformeduriexception.hxx>
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#include <rtl/uri.hxx>
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#include "rtl/allocator.hxx"
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#include "macro.hxx"
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#include <algorithm>
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#include <map>
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#include <memory>
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#include <utility>
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#define MY_STRING_(x) # x
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#define MY_STRING(x) MY_STRING_(x)
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extern "C" oslProcessError SAL_CALL osl_bootstrap_getExecutableFile_Impl(
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rtl_uString ** ppFileURL) SAL_THROW_EXTERN_C();
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using osl::DirectoryItem;
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using osl::FileStatus;
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using rtl::OString;
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using rtl::OUString;
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using rtl::OUStringToOString;
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struct Bootstrap_Impl;
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namespace {
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static char const VND_SUN_STAR_PATHNAME[] = "vnd.sun.star.pathname:";
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bool isPathnameUrl(rtl::OUString const & url) {
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return url.matchIgnoreAsciiCaseAsciiL(
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RTL_CONSTASCII_STRINGPARAM(VND_SUN_STAR_PATHNAME));
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}
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bool resolvePathnameUrl(rtl::OUString * url) {
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OSL_ASSERT(url != NULL);
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if (!isPathnameUrl(*url) ||
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(osl::FileBase::getFileURLFromSystemPath(
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url->copy(RTL_CONSTASCII_LENGTH(VND_SUN_STAR_PATHNAME)), *url) ==
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osl::FileBase::E_None))
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{
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return true;
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} else {
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*url = rtl::OUString();
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return false;
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}
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}
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enum LookupMode {
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LOOKUP_MODE_NORMAL, LOOKUP_MODE_URE_BOOTSTRAP,
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LOOKUP_MODE_URE_BOOTSTRAP_EXPANSION };
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struct ExpandRequestLink {
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ExpandRequestLink const * next;
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Bootstrap_Impl const * file;
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rtl::OUString key;
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};
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rtl::OUString expandMacros(
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Bootstrap_Impl const * file, rtl::OUString const & text, LookupMode mode,
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ExpandRequestLink const * requestStack);
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rtl::OUString recursivelyExpandMacros(
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Bootstrap_Impl const * file, rtl::OUString const & text, LookupMode mode,
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Bootstrap_Impl const * requestFile, rtl::OUString const & requestKey,
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ExpandRequestLink const * requestStack)
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{
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for (; requestStack != NULL; requestStack = requestStack->next) {
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if (requestStack->file == requestFile &&
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requestStack->key == requestKey)
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{
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return rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM("***RECURSION DETECTED***"));
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}
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}
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ExpandRequestLink link = { requestStack, requestFile, requestKey };
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return expandMacros(file, text, mode, &link);
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}
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class ParameterMap: private boost::noncopyable {
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public:
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bool get(rtl::OUString const & key, rtl::OUString * value) const;
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protected:
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ParameterMap() {}
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~ParameterMap() {}
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typedef std::map< rtl::OUString, rtl::OUString > Map;
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Map map_;
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};
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bool ParameterMap::get(rtl::OUString const & key, rtl::OUString * value) const {
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OSL_ASSERT(value != 0);
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Map::const_iterator i(map_.find(key));
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if (i == map_.end()) {
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return false;
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} else {
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*value = i->second;
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return true;
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}
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}
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class ExplicitParameterMap: public ParameterMap {
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public:
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bool get(rtl::OUString const & key, rtl::OUString * value) const;
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void set(rtl::OUString const & key, rtl::OUString const & value);
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private:
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mutable osl::Mutex mutex_;
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};
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bool ExplicitParameterMap::get(rtl::OUString const & key, rtl::OUString * value)
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const
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{
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osl::MutexGuard g(mutex_);
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return ParameterMap::get(key, value);
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}
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void ExplicitParameterMap::set(
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rtl::OUString const & key, rtl::OUString const & value)
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{
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osl::MutexGuard g(mutex_);
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map_[key] = value;
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}
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struct ExplicitParameters:
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public rtl::Static< ExplicitParameterMap, ExplicitParameters >
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{};
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class CommandLineParameterMap: public ParameterMap {
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public:
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CommandLineParameterMap();
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};
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CommandLineParameterMap::CommandLineParameterMap() {
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sal_uInt32 n = osl_getCommandArgCount();
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for (sal_uInt32 i = 0; i != n; ++i) {
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rtl::OUString s;
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osl_getCommandArg(i, &s.pData);
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static char const PREFIX[] = "-env:";
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if (s.matchAsciiL(RTL_CONSTASCII_STRINGPARAM(PREFIX))) {
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sal_Int32 j = s.indexOf('=', RTL_CONSTASCII_LENGTH(PREFIX));
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rtl::OUString k(
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s.copy(
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RTL_CONSTASCII_LENGTH(PREFIX),
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((j < 0 ? s.getLength() : j) -
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RTL_CONSTASCII_LENGTH(PREFIX))));
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if (j < 0) {
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map_.erase(s.copy(RTL_CONSTASCII_LENGTH(PREFIX)));
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} else {
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map_[
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s.copy(
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RTL_CONSTASCII_LENGTH(PREFIX),
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j - RTL_CONSTASCII_LENGTH(PREFIX))] =
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s.copy(j + 1);
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}
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}
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}
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}
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struct CommandLineParameters:
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public rtl::Static< CommandLineParameterMap, CommandLineParameters >
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{};
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}
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static void getExecutableDirectory_Impl (rtl_uString ** ppDirURL)
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{
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OUString fileName;
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osl_bootstrap_getExecutableFile_Impl (&(fileName.pData));
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sal_Int32 nDirEnd = fileName.lastIndexOf('/');
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OSL_ENSURE(nDirEnd >= 0, "Cannot locate executable directory");
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rtl_uString_newFromStr_WithLength(ppDirURL,fileName.getStr(),nDirEnd);
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}
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static inline bool path_exists( OUString const & path )
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{
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DirectoryItem dirItem;
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return (DirectoryItem::E_None == DirectoryItem::get( path, dirItem ));
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}
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//----------------------------------------------------------------------------
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// #111772#
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// ensure the given file url has no final slash
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inline void EnsureNoFinalSlash (rtl::OUString & url)
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{
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sal_Int32 i = url.getLength();
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if (i > 0 && url[i - 1] == '/') {
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url = url.copy(0, i - 1);
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}
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}
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struct Bootstrap_Impl: private ParameterMap
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{
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OUString _iniName;
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explicit Bootstrap_Impl (OUString const & rIniName);
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bool getValue(
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rtl::OUString const & key, rtl_uString ** value,
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rtl_uString * defaultValue, LookupMode mode, bool override,
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ExpandRequestLink const * requestStack) const;
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bool getDirectValue(
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rtl::OUString const & key, rtl_uString ** value, LookupMode mode,
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ExpandRequestLink const * requestStack) const;
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bool getAmbienceValue(
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rtl::OUString const & key, rtl_uString ** value, LookupMode mode,
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ExpandRequestLink const * requestStack) const;
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void expandValue(
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rtl_uString ** value, rtl::OUString const & text, LookupMode mode,
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Bootstrap_Impl const * requestFile, rtl::OUString const & requestKey,
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ExpandRequestLink const * requestStack) const;
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};
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//----------------------------------------------------------------------------
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Bootstrap_Impl::Bootstrap_Impl( OUString const & rIniName )
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: _iniName (rIniName)
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{
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#if OSL_DEBUG_LEVEL > 1
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OString sFile = OUStringToOString(_iniName, RTL_TEXTENCODING_ASCII_US);
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OSL_TRACE(__FILE__" -- Bootstrap_Impl() - %s\n", sFile.getStr());
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#endif /* OSL_DEBUG_LEVEL > 1 */
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oslFileHandle handle;
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if (_iniName.getLength() &&
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osl_File_E_None == osl_openFile(_iniName.pData, &handle, osl_File_OpenFlag_Read))
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{
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rtl::ByteSequence seq;
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while (osl_File_E_None == osl_readLine(handle , (sal_Sequence **)&seq))
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{
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OString line( (const sal_Char *) seq.getConstArray(), seq.getLength() );
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sal_Int32 nIndex = line.indexOf('=');
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if (nIndex >= 1)
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{
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rtl::OUString sName = OStringToOUString(
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line.copy(0,nIndex).trim(), RTL_TEXTENCODING_ASCII_US );
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rtl::OUString sValue = OStringToOUString(
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line.copy(nIndex+1).trim(), RTL_TEXTENCODING_UTF8 );
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#if OSL_DEBUG_LEVEL > 1
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OString name_tmp = OUStringToOString(sName, RTL_TEXTENCODING_ASCII_US);
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OString value_tmp = OUStringToOString(sValue, RTL_TEXTENCODING_UTF8);
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OSL_TRACE(
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__FILE__" -- pushing: name=%s value=%s\n",
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name_tmp.getStr(), value_tmp.getStr() );
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#endif /* OSL_DEBUG_LEVEL > 1 */
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map_[sName] = sValue;
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}
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}
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osl_closeFile(handle);
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}
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#if OSL_DEBUG_LEVEL > 1
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else
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{
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OString file_tmp = OUStringToOString(_iniName, RTL_TEXTENCODING_ASCII_US);
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OSL_TRACE( __FILE__" -- couldn't open file: %s", file_tmp.getStr() );
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}
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#endif /* OSL_DEBUG_LEVEL > 1 */
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}
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namespace {
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class BootstrapMap: private boost::noncopyable {
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public:
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BootstrapMap();
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~BootstrapMap();
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Bootstrap_Impl * getIni(rtl::OUString const & uri, bool alwaysCreate);
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void setBaseIniUri(rtl::OUString const & uri);
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Bootstrap_Impl * getBaseIni();
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Bootstrap_Impl * getFundamentalIni();
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private:
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typedef std::map< rtl::OUString, Bootstrap_Impl * > Map;
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osl::Mutex mutex_;
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Map map_;
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rtl::OUString baseIniUri_;
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Bootstrap_Impl * baseIni_;
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bool hasFundamentalIni_;
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Bootstrap_Impl * fundamentalIni_;
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};
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BootstrapMap::BootstrapMap():
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baseIni_(0), hasFundamentalIni_(false), fundamentalIni_(0)
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{}
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BootstrapMap::~BootstrapMap() {
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for (Map::iterator i(map_.begin()); i != map_.end(); ++i) {
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delete i->second;
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}
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}
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Bootstrap_Impl * BootstrapMap::getIni(
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rtl::OUString const & uri, bool alwaysCreate)
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{
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rtl::OUString normUri; // normalize URI if possible
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DirectoryItem dirItem;
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FileStatus status(osl_FileStatus_Mask_FileURL);
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if (DirectoryItem::get(uri, dirItem) == DirectoryItem::E_None &&
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dirItem.getFileStatus(status) == DirectoryItem::E_None)
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{
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normUri = status.getFileURL();
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} else if (alwaysCreate) {
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normUri = uri;
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} else {
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return 0;
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}
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osl::MutexGuard g(mutex_);
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Map::iterator i(map_.find(normUri));
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if (i == map_.end()) {
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std::auto_ptr< Bootstrap_Impl > b(new Bootstrap_Impl(normUri));
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std::pair< Map::iterator, bool > ins(
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map_.insert(Map::value_type(normUri, b.get())));
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b.release();
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OSL_ASSERT(ins.second);
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i = ins.first;
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}
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return i->second;
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}
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void BootstrapMap::setBaseIniUri(rtl::OUString const & uri) {
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OSL_ASSERT(uri.getLength() != 0);
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osl::MutexGuard g(mutex_);
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OSL_ASSERT(baseIniUri_.getLength() == 0 && baseIni_ == 0);
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baseIniUri_ = uri;
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}
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Bootstrap_Impl * BootstrapMap::getBaseIni() {
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osl::MutexGuard g(mutex_);
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if (baseIni_ == 0) {
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rtl::OUString uri;
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if (baseIniUri_.getLength() == 0) {
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if (CommandLineParameters::get().get(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("INIFILENAME")),
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&uri))
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{
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resolvePathnameUrl(&uri);
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} else {
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osl_bootstrap_getExecutableFile_Impl(&uri.pData);
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// Strip potentially two such extensions, to allow for
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// renaming of soffice.bin to soffice.bin.exe so that
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// Visual Studio agrees to start it, if you want to
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// debug it from the start.
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static char const BIN_EXT[] = ".bin";
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static char const EXE_EXT[] = ".exe";
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for (int i = 0; i < 2; i++) {
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if (uri.endsWithAsciiL(RTL_CONSTASCII_STRINGPARAM(BIN_EXT))) {
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uri = uri.copy(
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0, uri.getLength() - RTL_CONSTASCII_LENGTH(BIN_EXT));
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} else if (uri.endsWithAsciiL(
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RTL_CONSTASCII_STRINGPARAM(EXE_EXT))) {
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uri = uri.copy(
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0, uri.getLength() - RTL_CONSTASCII_LENGTH(EXE_EXT));
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}
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}
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uri += rtl::OUString(
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RTL_CONSTASCII_USTRINGPARAM(SAL_CONFIGFILE("")));
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}
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} else {
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uri = baseIniUri_;
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}
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baseIni_ = getIni(uri, true);
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}
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return baseIni_;
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}
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Bootstrap_Impl * BootstrapMap::getFundamentalIni() {
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osl::MutexGuard g(mutex_);
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if (!hasFundamentalIni_) {
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rtl::OUString uri;
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fundamentalIni_ =
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(getBaseIni()->getValue(
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("URE_BOOTSTRAP")),
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&uri.pData, 0, LOOKUP_MODE_NORMAL, false, 0) &&
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resolvePathnameUrl(&uri))
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? getIni(uri, false) : 0;
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hasFundamentalIni_ = true;
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}
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return fundamentalIni_;
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}
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struct BootstrapMapSingleton:
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public rtl::Static< BootstrapMap, BootstrapMapSingleton >
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{};
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}
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bool Bootstrap_Impl::getValue(
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rtl::OUString const & key, rtl_uString ** value, rtl_uString * defaultValue,
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LookupMode mode, bool override, ExpandRequestLink const * requestStack)
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const
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{
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if (mode == LOOKUP_MODE_NORMAL &&
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key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("URE_BOOTSTRAP")))
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{
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mode = LOOKUP_MODE_URE_BOOTSTRAP;
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}
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if (override && getDirectValue(key, value, mode, requestStack)) {
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return true;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("_OS"))) {
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rtl_uString_assign(
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value, rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(THIS_OS)).pData);
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return true;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("_ARCH"))) {
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rtl_uString_assign(
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value, rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(THIS_ARCH)).pData);
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return true;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("_CPPU_ENV"))) {
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rtl_uString_assign(
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value,
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(rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(MY_STRING(CPPU_ENV))).
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pData));
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return true;
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}
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if (key.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM("ORIGIN"))) {
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rtl_uString_assign(
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value,
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_iniName.copy(
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0, std::max<sal_Int32>(0, _iniName.lastIndexOf('/'))).pData);
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return true;
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}
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if (getAmbienceValue(key, value, mode, requestStack)) {
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return true;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("SYSUSERCONFIG"))) {
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rtl::OUString v;
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bool b = osl::Security().getConfigDir(v);
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EnsureNoFinalSlash(v);
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rtl_uString_assign(value, v.pData);
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return b;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("SYSUSERHOME"))) {
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rtl::OUString v;
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bool b = osl::Security().getHomeDir(v);
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EnsureNoFinalSlash(v);
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rtl_uString_assign(value, v.pData);
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return b;
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}
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if (key.equalsAsciiL(RTL_CONSTASCII_STRINGPARAM("SYSBINDIR"))) {
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getExecutableDirectory_Impl(value);
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return true;
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}
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Bootstrap_Impl * b = BootstrapMapSingleton::get().getBaseIni();
|
|
if (b != this && b->getDirectValue(key, value, mode, requestStack)) {
|
|
return true;
|
|
}
|
|
if (!override && getDirectValue(key, value, mode, requestStack)) {
|
|
return true;
|
|
}
|
|
if (mode == LOOKUP_MODE_NORMAL) {
|
|
b = BootstrapMapSingleton::get().getFundamentalIni();
|
|
if (b != 0 && b != this &&
|
|
b->getDirectValue(key, value, mode, requestStack))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
if (defaultValue != NULL) {
|
|
rtl_uString_assign(value, defaultValue);
|
|
return true;
|
|
}
|
|
rtl_uString_new(value);
|
|
return false;
|
|
}
|
|
|
|
bool Bootstrap_Impl::getDirectValue(
|
|
rtl::OUString const & key, rtl_uString ** value, LookupMode mode,
|
|
ExpandRequestLink const * requestStack) const
|
|
{
|
|
rtl::OUString v;
|
|
if (get(key, &v)) {
|
|
expandValue(value, v, mode, this, key, requestStack);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool Bootstrap_Impl::getAmbienceValue(
|
|
rtl::OUString const & key, rtl_uString ** value, LookupMode mode,
|
|
ExpandRequestLink const * requestStack) const
|
|
{
|
|
rtl::OUString v;
|
|
if (ExplicitParameters::get().get(key, &v) ||
|
|
CommandLineParameters::get().get(key, &v) ||
|
|
osl_getEnvironment(key.pData, &v.pData) == osl_Process_E_None)
|
|
{
|
|
expandValue(value, v, mode, NULL, key, requestStack);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
void Bootstrap_Impl::expandValue(
|
|
rtl_uString ** value, rtl::OUString const & text, LookupMode mode,
|
|
Bootstrap_Impl const * requestFile, rtl::OUString const & requestKey,
|
|
ExpandRequestLink const * requestStack) const
|
|
{
|
|
rtl_uString_assign(
|
|
value,
|
|
(mode == LOOKUP_MODE_URE_BOOTSTRAP && isPathnameUrl(text) ?
|
|
text :
|
|
recursivelyExpandMacros(
|
|
this, text,
|
|
(mode == LOOKUP_MODE_URE_BOOTSTRAP ?
|
|
LOOKUP_MODE_URE_BOOTSTRAP_EXPANSION : mode),
|
|
requestFile, requestKey, requestStack)).pData);
|
|
}
|
|
|
|
rtlBootstrapHandle SAL_CALL rtl_bootstrap_args_open (
|
|
rtl_uString * pIniName
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
return BootstrapMapSingleton::get().getIni(rtl::OUString(pIniName), false);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_args_close (
|
|
rtlBootstrapHandle
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
// do nothing; the BootstrapMap::map_ just keeps growing for now
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
sal_Bool SAL_CALL rtl_bootstrap_get_from_handle(
|
|
rtlBootstrapHandle handle,
|
|
rtl_uString * pName,
|
|
rtl_uString ** ppValue,
|
|
rtl_uString * pDefault
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
return
|
|
(handle == 0
|
|
? BootstrapMapSingleton::get().getBaseIni()
|
|
: static_cast< Bootstrap_Impl * >(handle))->
|
|
getValue(pName, ppValue, pDefault, LOOKUP_MODE_NORMAL, false, 0);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_get_iniName_from_handle (
|
|
rtlBootstrapHandle handle,
|
|
rtl_uString ** ppIniName
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
rtl_uString_assign(
|
|
ppIniName,
|
|
((handle == 0
|
|
? BootstrapMapSingleton::get().getBaseIni()
|
|
: static_cast<Bootstrap_Impl*>(handle))->
|
|
_iniName.pData));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_setIniFileName (
|
|
rtl_uString * pName
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
BootstrapMapSingleton::get().setBaseIniUri(rtl::OUString(pName));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
sal_Bool SAL_CALL rtl_bootstrap_get (
|
|
rtl_uString * pName,
|
|
rtl_uString ** ppValue,
|
|
rtl_uString * pDefault
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
return rtl_bootstrap_get_from_handle(0, pName, ppValue, pDefault);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_set (
|
|
rtl_uString * pName,
|
|
rtl_uString * pValue
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
ExplicitParameters::get().set(rtl::OUString(pName), rtl::OUString(pValue));
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_expandMacros_from_handle (
|
|
rtlBootstrapHandle handle,
|
|
rtl_uString ** macro
|
|
) SAL_THROW_EXTERN_C()
|
|
{
|
|
rtl::OUString expanded(
|
|
expandMacros(
|
|
(handle == 0
|
|
? BootstrapMapSingleton::get().getBaseIni()
|
|
: static_cast< Bootstrap_Impl * >(handle)),
|
|
*reinterpret_cast< OUString const * >(macro), LOOKUP_MODE_NORMAL,
|
|
0));
|
|
rtl_uString_assign(macro, expanded.pData);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void SAL_CALL rtl_bootstrap_expandMacros(
|
|
rtl_uString ** macro )
|
|
SAL_THROW_EXTERN_C()
|
|
{
|
|
rtl_bootstrap_expandMacros_from_handle(NULL, macro);
|
|
}
|
|
|
|
void rtl_bootstrap_encode( rtl_uString const * value, rtl_uString ** encoded )
|
|
SAL_THROW_EXTERN_C()
|
|
{
|
|
OSL_ASSERT(value != NULL);
|
|
rtl::OUStringBuffer b;
|
|
for (sal_Int32 i = 0; i < value->length; ++i) {
|
|
sal_Unicode c = value->buffer[i];
|
|
if (c == '$' || c == '\\') {
|
|
b.append(sal_Unicode('\\'));
|
|
}
|
|
b.append(c);
|
|
}
|
|
rtl_uString_assign(encoded, b.makeStringAndClear().pData);
|
|
}
|
|
|
|
namespace {
|
|
|
|
int hex(sal_Unicode c) {
|
|
return
|
|
c >= '0' && c <= '9' ? c - '0' :
|
|
c >= 'A' && c <= 'F' ? c - 'A' + 10 :
|
|
c >= 'a' && c <= 'f' ? c - 'a' + 10 : -1;
|
|
}
|
|
|
|
sal_Unicode read(rtl::OUString const & text, sal_Int32 * pos, bool * escaped) {
|
|
OSL_ASSERT(
|
|
pos != NULL && *pos >= 0 && *pos < text.getLength() && escaped != NULL);
|
|
sal_Unicode c = text[(*pos)++];
|
|
if (c == '\\') {
|
|
int n1, n2, n3, n4;
|
|
if (*pos < text.getLength() - 4 && text[*pos] == 'u' &&
|
|
((n1 = hex(text[*pos + 1])) >= 0) &&
|
|
((n2 = hex(text[*pos + 2])) >= 0) &&
|
|
((n3 = hex(text[*pos + 3])) >= 0) &&
|
|
((n4 = hex(text[*pos + 4])) >= 0))
|
|
{
|
|
*pos += 5;
|
|
*escaped = true;
|
|
return static_cast< sal_Unicode >(
|
|
(n1 << 12) | (n2 << 8) | (n3 << 4) | n4);
|
|
} else if (*pos < text.getLength()) {
|
|
*escaped = true;
|
|
return text[(*pos)++];
|
|
}
|
|
}
|
|
*escaped = false;
|
|
return c;
|
|
}
|
|
|
|
rtl::OUString lookup(
|
|
Bootstrap_Impl const * file, LookupMode mode, bool override,
|
|
rtl::OUString const & key, ExpandRequestLink const * requestStack)
|
|
{
|
|
rtl::OUString v;
|
|
(file == 0 ? BootstrapMapSingleton::get().getBaseIni() : file)->getValue(
|
|
key, &v.pData, NULL, mode, override, requestStack);
|
|
return v;
|
|
}
|
|
|
|
rtl::OUString expandMacros(
|
|
Bootstrap_Impl const * file, rtl::OUString const & text, LookupMode mode,
|
|
ExpandRequestLink const * requestStack)
|
|
{
|
|
rtl::OUStringBuffer buf;
|
|
for (sal_Int32 i = 0; i < text.getLength();) {
|
|
bool escaped;
|
|
sal_Unicode c = read(text, &i, &escaped);
|
|
if (escaped || c != '$') {
|
|
buf.append(c);
|
|
} else {
|
|
if (i < text.getLength() && text[i] == '{') {
|
|
++i;
|
|
sal_Int32 p = i;
|
|
sal_Int32 nesting = 0;
|
|
rtl::OUString seg[3];
|
|
int n = 0;
|
|
while (i < text.getLength()) {
|
|
sal_Int32 j = i;
|
|
c = read(text, &i, &escaped);
|
|
if (!escaped) {
|
|
switch (c) {
|
|
case '{':
|
|
++nesting;
|
|
break;
|
|
case '}':
|
|
if (nesting == 0) {
|
|
seg[n++] = text.copy(p, j - p);
|
|
goto done;
|
|
} else {
|
|
--nesting;
|
|
}
|
|
break;
|
|
case ':':
|
|
if (nesting == 0 && n < 2) {
|
|
seg[n++] = text.copy(p, j - p);
|
|
p = i;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
done:
|
|
for (int j = 0; j < n; ++j) {
|
|
seg[j] = expandMacros(file, seg[j], mode, requestStack);
|
|
}
|
|
if (n == 3 && seg[1].getLength() == 0) {
|
|
// For backward compatibility, treat ${file::key} the same
|
|
// as just ${file:key}:
|
|
seg[1] = seg[2];
|
|
n = 2;
|
|
}
|
|
if (n == 1) {
|
|
buf.append(lookup(file, mode, false, seg[0], requestStack));
|
|
} else if (n == 2) {
|
|
if (seg[0].equalsAsciiL(
|
|
RTL_CONSTASCII_STRINGPARAM(".link")))
|
|
{
|
|
osl::File f(seg[1]);
|
|
rtl::ByteSequence seq;
|
|
rtl::OUString line;
|
|
rtl::OUString url;
|
|
// Silently ignore any errors (is that good?):
|
|
if (f.open(osl_File_OpenFlag_Read) == osl::FileBase::E_None &&
|
|
f.readLine(seq) == osl::FileBase::E_None &&
|
|
rtl_convertStringToUString(
|
|
&line.pData,
|
|
reinterpret_cast< char const * >(
|
|
seq.getConstArray()),
|
|
seq.getLength(), RTL_TEXTENCODING_UTF8,
|
|
(RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR |
|
|
RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR |
|
|
RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR)) &&
|
|
(osl::File::getFileURLFromSystemPath(line, url) ==
|
|
osl::FileBase::E_None))
|
|
{
|
|
try {
|
|
buf.append(
|
|
rtl::Uri::convertRelToAbs(seg[1], url));
|
|
} catch (const rtl::MalformedUriException &) {}
|
|
}
|
|
} else {
|
|
buf.append(
|
|
lookup(
|
|
static_cast< Bootstrap_Impl * >(
|
|
rtl::Bootstrap(seg[0]).getHandle()),
|
|
mode, false, seg[1], requestStack));
|
|
}
|
|
} else if (seg[0].equalsAsciiL(
|
|
RTL_CONSTASCII_STRINGPARAM(".override")))
|
|
{
|
|
rtl::Bootstrap b(seg[1]);
|
|
Bootstrap_Impl * f = static_cast< Bootstrap_Impl * >(
|
|
b.getHandle());
|
|
buf.append(
|
|
lookup(f, mode, f != NULL, seg[2], requestStack));
|
|
} else {
|
|
// Going through osl::Profile, this code erroneously does
|
|
// not recursively expand macros in the resulting
|
|
// replacement text (and if it did, it would fail to detect
|
|
// cycles that pass through here):
|
|
buf.append(
|
|
rtl::OStringToOUString(
|
|
osl::Profile(seg[0]).readString(
|
|
rtl::OUStringToOString(
|
|
seg[1], RTL_TEXTENCODING_UTF8),
|
|
rtl::OUStringToOString(
|
|
seg[2], RTL_TEXTENCODING_UTF8),
|
|
rtl::OString()),
|
|
RTL_TEXTENCODING_UTF8));
|
|
}
|
|
} else {
|
|
rtl::OUStringBuffer kbuf;
|
|
for (; i < text.getLength();) {
|
|
sal_Int32 j = i;
|
|
c = read(text, &j, &escaped);
|
|
if (!escaped &&
|
|
(c == ' ' || c == '$' || c == '-' || c == '/' ||
|
|
c == ';' || c == '\\'))
|
|
{
|
|
break;
|
|
}
|
|
kbuf.append(c);
|
|
i = j;
|
|
}
|
|
buf.append(
|
|
lookup(
|
|
file, mode, false, kbuf.makeStringAndClear(),
|
|
requestStack));
|
|
}
|
|
}
|
|
}
|
|
return buf.makeStringAndClear();
|
|
}
|
|
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|