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Diffstat (limited to 'writerperfect/source/common/DocumentHandler.cxx')
| -rw-r--r-- | writerperfect/source/common/DocumentHandler.cxx | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/writerperfect/source/common/DocumentHandler.cxx b/writerperfect/source/common/DocumentHandler.cxx new file mode 100644 index 000000000..35aa49181 --- /dev/null +++ b/writerperfect/source/common/DocumentHandler.cxx @@ -0,0 +1,182 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * 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/. + * + * For further information visit http://libwpd.sourceforge.net + */ + +#include <DocumentHandler.hxx> + +#include <string.h> + +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> +#include <com/sun/star/xml/sax/XAttributeList.hpp> + +#include <xmloff/attrlist.hxx> +#include <xmloff/xmlimp.hxx> + +namespace writerperfect +{ +static const unsigned char librvng_utf8_skip_data[256] + = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 1, 1 }; + +static const char* librvng_utf8_next_char(const char* p) +{ + return p + librvng_utf8_skip_data[*reinterpret_cast<unsigned char const*>(p)]; +} + +static void unescapeXML(const char* s, const unsigned long sz, librevenge::RVNGString& res) +{ + const char* p = s; + const char* const end = p + sz; + while (p != end) + { + const char* const next = librvng_utf8_next_char(p); + if (next > end) + { + // oops, the string is invalid + break; + } + if (p + 4 <= end && p + 1 == next && *p == '&') + { + // look for & , < , > , ' , " + bool escapedChar = false; + switch (*(p + 1)) + { + case 'a': + if (p + 5 <= end && strncmp(p, "&", 5) == 0) + { + res.append('&'); + p += 5; + escapedChar = true; + } + else if (p + 6 <= end && strncmp(p, "'", 6) == 0) + { + res.append('\''); + p += 6; + escapedChar = true; + } + break; + case 'g': + if (strncmp(p, ">", 4) == 0) + { + res.append('>'); + p += 4; + escapedChar = true; + } + break; + case 'l': + if (strncmp(p, "<", 4) == 0) + { + res.append('<'); + p += 4; + escapedChar = true; + } + break; + case 'q': + if (p + 6 <= end && strncmp(p, """, 6) == 0) + { + res.append('"'); + p += 6; + escapedChar = true; + } + break; + default: + break; + } + if (escapedChar) + continue; + } + + while (p != next) + { + res.append(*p); + ++p; + } + p = next; + } +} + +using com::sun::star::uno::Reference; +using com::sun::star::xml::sax::XAttributeList; +using com::sun::star::xml::sax::XDocumentHandler; + +DocumentHandler::DocumentHandler(Reference<XDocumentHandler> const& xHandler) + : mxHandler(xHandler) +{ + if (SvXMLImport* pFastHandler = dynamic_cast<SvXMLImport*>(mxHandler.get())) + mxHandler.set(new SvXMLLegacyToFastDocHandler(pFastHandler)); +} + +void DocumentHandler::startDocument() { mxHandler->startDocument(); } + +void DocumentHandler::endDocument() { mxHandler->endDocument(); } + +void DocumentHandler::startElement(const char* psName, + const librevenge::RVNGPropertyList& xPropList) +{ + SvXMLAttributeList* pAttrList = new SvXMLAttributeList(); + Reference<XAttributeList> xAttrList(pAttrList); + librevenge::RVNGPropertyList::Iter i(xPropList); + for (i.rewind(); i.next();) + { + // filter out librevenge elements + if (strncmp(i.key(), "librevenge", 10) != 0) + { + size_t keyLength = strlen(i.key()); + OUString sName(i.key(), keyLength, RTL_TEXTENCODING_UTF8); + OUString sValue(i()->getStr().cstr(), i()->getStr().len(), RTL_TEXTENCODING_UTF8); + + // libodfgen xml-encodes some attribute's value, so check if the value is encoded or not + for (int j = 0; j < 9; ++j) + { + // list of the encoded attributes followed by their lengths + static char const* listEncoded[9] + = { "draw:name", "svg:font-family", "style:condition", + "style:num-prefix", "style:num-suffix", "table:formula", + "text:bullet-char", "text:label", "xlink:href" }; + static size_t const listEncodedLength[9] = { 9, 15, 15, 16, 16, 13, 16, 10, 10 }; + if (keyLength == listEncodedLength[j] + && strncmp(i.key(), listEncoded[j], keyLength) == 0) + { + librevenge::RVNGString decodedValue(""); + unescapeXML(i()->getStr().cstr(), + static_cast<unsigned long>(i()->getStr().len()), decodedValue); + sValue + = OUString(decodedValue.cstr(), decodedValue.len(), RTL_TEXTENCODING_UTF8); + break; + } + } + pAttrList->AddAttribute(sName, sValue); + } + } + + OUString sElementName(psName, strlen(psName), RTL_TEXTENCODING_UTF8); + mxHandler->startElement(sElementName, xAttrList); +} + +void DocumentHandler::endElement(const char* psName) +{ + OUString sElementName(psName, strlen(psName), RTL_TEXTENCODING_UTF8); + mxHandler->endElement(sElementName); +} + +void DocumentHandler::characters(const librevenge::RVNGString& sCharacters) +{ + OUString sCharU16(sCharacters.cstr(), strlen(sCharacters.cstr()), RTL_TEXTENCODING_UTF8); + mxHandler->characters(sCharU16); +} +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |