453 lines
14 KiB
C++
453 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <cassert>
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#include <set>
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#include <com/sun/star/uno/Any.hxx>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/XInterface.hpp>
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#include <comphelper/sequenceasvector.hxx>
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#include <rtl/string.h>
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#include <rtl/string.hxx>
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#include <rtl/ustring.hxx>
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#include <sal/types.h>
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#include <xmlreader/span.hxx>
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#include <xmlreader/xmlreader.hxx>
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#include "localizedvaluenode.hxx"
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#include "node.hxx"
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#include "nodemap.hxx"
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#include "parsemanager.hxx"
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#include "propertynode.hxx"
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#include "type.hxx"
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#include "valueparser.hxx"
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#include "xmldata.hxx"
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namespace configmgr {
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namespace {
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bool parseHexDigit(char c, int * value) {
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assert(value != 0);
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if (c >= '0' && c <= '9') {
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*value = c - '0';
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return true;
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}
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if (c >= 'A' && c <= 'F') {
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*value = c - 'A' + 10;
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return true;
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}
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if (c >= 'a' && c <= 'f') {
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*value = c - 'a' + 10;
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return true;
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}
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return false;
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}
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bool parseValue(xmlreader::Span const & text, sal_Bool * value) {
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assert(text.is() && value != 0);
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if (text.equals("true") || text.equals("1")) {
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*value = true;
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return true;
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}
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if (text.equals("false") || text.equals("0")) {
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*value = false;
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return true;
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}
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return false;
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}
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bool parseValue(xmlreader::Span const & text, sal_Int16 * value) {
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assert(text.is() && value != 0);
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// For backwards compatibility, support hexadecimal values:
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sal_Int32 n =
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rtl_str_shortenedCompareIgnoreAsciiCase_WithLength(
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text.begin, text.length, RTL_CONSTASCII_STRINGPARAM("0X"),
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RTL_CONSTASCII_LENGTH("0X")) == 0 ?
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static_cast< sal_Int32 >(
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OString(
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text.begin + RTL_CONSTASCII_LENGTH("0X"),
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text.length - RTL_CONSTASCII_LENGTH("0X")).toUInt32(16)) :
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OString(text.begin, text.length).toInt32();
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//TODO: check valid lexical representation
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if (n >= SAL_MIN_INT16 && n <= SAL_MAX_INT16) {
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*value = static_cast< sal_Int16 >(n);
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return true;
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}
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return false;
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}
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bool parseValue(xmlreader::Span const & text, sal_Int32 * value) {
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assert(text.is() && value != 0);
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// For backwards compatibility, support hexadecimal values:
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*value =
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rtl_str_shortenedCompareIgnoreAsciiCase_WithLength(
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text.begin, text.length, RTL_CONSTASCII_STRINGPARAM("0X"),
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RTL_CONSTASCII_LENGTH("0X")) == 0 ?
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static_cast< sal_Int32 >(
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OString(
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text.begin + RTL_CONSTASCII_LENGTH("0X"),
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text.length - RTL_CONSTASCII_LENGTH("0X")).toUInt32(16)) :
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OString(text.begin, text.length).toInt32();
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//TODO: check valid lexical representation
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return true;
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}
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bool parseValue(xmlreader::Span const & text, sal_Int64 * value) {
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assert(text.is() && value != 0);
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// For backwards compatibility, support hexadecimal values:
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*value =
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rtl_str_shortenedCompareIgnoreAsciiCase_WithLength(
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text.begin, text.length, RTL_CONSTASCII_STRINGPARAM("0X"),
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RTL_CONSTASCII_LENGTH("0X")) == 0 ?
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static_cast< sal_Int64 >(
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OString(
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text.begin + RTL_CONSTASCII_LENGTH("0X"),
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text.length - RTL_CONSTASCII_LENGTH("0X")).toUInt64(16)) :
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OString(text.begin, text.length).toInt64();
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//TODO: check valid lexical representation
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return true;
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}
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bool parseValue(xmlreader::Span const & text, double * value) {
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assert(text.is() && value != 0);
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*value = OString(text.begin, text.length).toDouble();
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//TODO: check valid lexical representation
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return true;
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}
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bool parseValue(xmlreader::Span const & text, OUString * value) {
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assert(text.is() && value != 0);
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*value = text.convertFromUtf8();
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return true;
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}
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bool parseValue(
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xmlreader::Span const & text, css::uno::Sequence< sal_Int8 > * value)
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{
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assert(text.is() && value != 0);
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if ((text.length & 1) != 0) {
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return false;
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}
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comphelper::SequenceAsVector< sal_Int8 > seq;
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for (sal_Int32 i = 0; i != text.length;) {
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int n1;
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int n2;
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if (!parseHexDigit(text.begin[i++], &n1) ||
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!parseHexDigit(text.begin[i++], &n2))
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{
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return false;
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}
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seq.push_back(static_cast< sal_Int8 >((n1 << 4) | n2));
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}
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*value = seq.getAsConstList();
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return true;
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}
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template< typename T > css::uno::Any parseSingleValue(
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xmlreader::Span const & text)
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{
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T val;
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if (!parseValue(text, &val)) {
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throw css::uno::RuntimeException("invalid value");
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}
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return css::uno::makeAny(val);
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}
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template< typename T > css::uno::Any parseListValue(
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OString const & separator, xmlreader::Span const & text)
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{
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comphelper::SequenceAsVector< T > seq;
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xmlreader::Span sep;
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if (separator.isEmpty()) {
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sep = xmlreader::Span(RTL_CONSTASCII_STRINGPARAM(" "));
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} else {
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sep = xmlreader::Span(separator.getStr(), separator.getLength());
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}
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if (text.length != 0) {
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for (xmlreader::Span t(text);;) {
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sal_Int32 i = rtl_str_indexOfStr_WithLength(
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t.begin, t.length, sep.begin, sep.length);
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T val;
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if (!parseValue(
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xmlreader::Span(t.begin, i == -1 ? t.length : i), &val))
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{
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throw css::uno::RuntimeException("invalid value");
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}
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seq.push_back(val);
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if (i < 0) {
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break;
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}
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t.begin += i + sep.length;
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t.length -= i + sep.length;
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}
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}
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return css::uno::makeAny(seq.getAsConstList());
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}
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css::uno::Any parseValue(
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OString const & separator, xmlreader::Span const & text, Type type)
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{
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switch (type) {
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case TYPE_ANY:
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throw css::uno::RuntimeException("invalid value of type any");
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case TYPE_BOOLEAN:
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return parseSingleValue< sal_Bool >(text);
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case TYPE_SHORT:
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return parseSingleValue< sal_Int16 >(text);
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case TYPE_INT:
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return parseSingleValue< sal_Int32 >(text);
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case TYPE_LONG:
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return parseSingleValue< sal_Int64 >(text);
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case TYPE_DOUBLE:
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return parseSingleValue< double >(text);
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case TYPE_STRING:
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return parseSingleValue< OUString >(text);
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case TYPE_HEXBINARY:
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return parseSingleValue< css::uno::Sequence< sal_Int8 > >(text);
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case TYPE_BOOLEAN_LIST:
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return parseListValue< sal_Bool >(separator, text);
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case TYPE_SHORT_LIST:
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return parseListValue< sal_Int16 >(separator, text);
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case TYPE_INT_LIST:
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return parseListValue< sal_Int32 >(separator, text);
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case TYPE_LONG_LIST:
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return parseListValue< sal_Int64 >(separator, text);
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case TYPE_DOUBLE_LIST:
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return parseListValue< double >(separator, text);
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case TYPE_STRING_LIST:
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return parseListValue< OUString >(separator, text);
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case TYPE_HEXBINARY_LIST:
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return parseListValue< css::uno::Sequence< sal_Int8 > >(
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separator, text);
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default:
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assert(false);
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throw css::uno::RuntimeException("this cannot happen");
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}
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}
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}
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ValueParser::ValueParser(int layer): type_(TYPE_ERROR), layer_(layer), state_() {}
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ValueParser::~ValueParser() {}
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xmlreader::XmlReader::Text ValueParser::getTextMode() const {
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if (node_.is()) {
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switch (state_) {
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case STATE_TEXT:
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if (!items_.empty()) {
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break;
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}
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// fall through
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case STATE_IT:
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return
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(type_ == TYPE_STRING || type_ == TYPE_STRING_LIST ||
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!separator_.isEmpty())
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? xmlreader::XmlReader::TEXT_RAW
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: xmlreader::XmlReader::TEXT_NORMALIZED;
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default:
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break;
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}
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}
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return xmlreader::XmlReader::TEXT_NONE;
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}
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bool ValueParser::startElement(
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xmlreader::XmlReader & reader, int nsId, xmlreader::Span const & name,
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std::set< OUString > const *)
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{
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if (!node_.is()) {
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return false;
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}
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switch (state_) {
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case STATE_TEXT:
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if (nsId == xmlreader::XmlReader::NAMESPACE_NONE && name.equals("it") &&
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isListType(type_) && separator_.isEmpty())
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{
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pad_.clear();
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// before first <it>, characters are not ignored; assume they
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// are only whitespace
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state_ = STATE_IT;
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return true;
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}
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// fall through
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case STATE_IT:
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if (nsId == xmlreader::XmlReader::NAMESPACE_NONE &&
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name.equals("unicode") &&
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(type_ == TYPE_STRING || type_ == TYPE_STRING_LIST))
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{
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sal_Int32 scalar = -1;
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for (;;) {
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int attrNsId;
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xmlreader::Span attrLn;
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if (!reader.nextAttribute(&attrNsId, &attrLn)) {
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break;
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}
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if (attrNsId == ParseManager::NAMESPACE_OOR &&
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attrLn.equals("scalar"))
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{
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if (!parseValue(reader.getAttributeValue(true), &scalar)) {
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scalar = -1;
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}
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break;
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}
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}
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if (scalar >= 0 && scalar < 0x20 && scalar != 0x09 &&
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scalar != 0x0A && scalar != 0x0D)
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{
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char c = static_cast< char >(scalar);
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pad_.add(&c, 1);
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} else if (scalar == 0xFFFE) {
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pad_.add(RTL_CONSTASCII_STRINGPARAM("\xEF\xBF\xBE"));
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} else if (scalar == 0xFFFF) {
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pad_.add(RTL_CONSTASCII_STRINGPARAM("\xEF\xBF\xBF"));
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} else {
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throw css::uno::RuntimeException(
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"bad unicode scalar attribute in " + reader.getUrl());
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}
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state_ = State(state_ + 1);
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return true;
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}
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break;
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default:
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break;
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}
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throw css::uno::RuntimeException(
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"bad member <" + name.convertFromUtf8() + "> in " + reader.getUrl());
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}
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bool ValueParser::endElement() {
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if (!node_.is()) {
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return false;
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}
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switch (state_) {
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case STATE_TEXT:
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{
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css::uno::Any *pValue = NULL;
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switch (node_->kind()) {
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case Node::KIND_PROPERTY:
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pValue = static_cast< PropertyNode * >(node_.get())->getValuePtr(layer_);
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break;
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case Node::KIND_LOCALIZED_PROPERTY:
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{
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NodeMap & members = node_->getMembers();
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NodeMap::iterator i(members.find(localizedName_));
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LocalizedValueNode *pLVNode;
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if (i == members.end()) {
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pLVNode = new LocalizedValueNode(layer_);
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members.insert(
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NodeMap::value_type(localizedName_, pLVNode ));
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} else {
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pLVNode = static_cast< LocalizedValueNode * >(i->second.get());
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}
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pValue = pLVNode->getValuePtr(layer_);
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}
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break;
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default:
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assert(false); // this cannot happen
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return false;
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}
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if (items_.empty()) {
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*pValue = parseValue(separator_, pad_.get(), type_);
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pad_.clear();
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} else {
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switch (type_) {
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case TYPE_BOOLEAN_LIST:
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*pValue = convertItems< sal_Bool >();
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break;
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case TYPE_SHORT_LIST:
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*pValue = convertItems< sal_Int16 >();
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break;
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case TYPE_INT_LIST:
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*pValue = convertItems< sal_Int32 >();
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break;
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case TYPE_LONG_LIST:
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*pValue = convertItems< sal_Int64 >();
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break;
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case TYPE_DOUBLE_LIST:
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*pValue = convertItems< double >();
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break;
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case TYPE_STRING_LIST:
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*pValue = convertItems< OUString >();
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break;
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case TYPE_HEXBINARY_LIST:
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*pValue = convertItems< css::uno::Sequence< sal_Int8 > >();
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break;
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default:
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assert(false); // this cannot happen
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break;
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}
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items_.clear();
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}
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separator_ = OString();
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node_.clear();
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}
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break;
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case STATE_TEXT_UNICODE:
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case STATE_IT_UNICODE:
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state_ = State(state_ - 1);
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break;
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case STATE_IT:
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items_.push_back(
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parseValue(OString(), pad_.get(), elementType(type_)));
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pad_.clear();
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state_ = STATE_TEXT;
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break;
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}
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return true;
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}
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void ValueParser::characters(xmlreader::Span const & text) {
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if (node_.is()) {
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assert(state_ == STATE_TEXT || state_ == STATE_IT);
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pad_.add(text.begin, text.length);
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}
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}
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void ValueParser::start(
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rtl::Reference< Node > const & node, OUString const & localizedName)
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{
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assert(node.is() && !node_.is());
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node_ = node;
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localizedName_ = localizedName;
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state_ = STATE_TEXT;
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}
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template< typename T > css::uno::Any ValueParser::convertItems() {
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css::uno::Sequence< T > seq(items_.size());
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for (sal_Int32 i = 0; i < seq.getLength(); ++i) {
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bool ok = (items_[i] >>= seq[i]);
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assert(ok);
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(void) ok; // avoid warnings
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}
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return css::uno::makeAny(seq);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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