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Diffstat (limited to 'oox/source/vml/vmltextboxcontext.cxx')
| -rw-r--r-- | oox/source/vml/vmltextboxcontext.cxx | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/oox/source/vml/vmltextboxcontext.cxx b/oox/source/vml/vmltextboxcontext.cxx new file mode 100644 index 0000000000..0a3f255d76 --- /dev/null +++ b/oox/source/vml/vmltextboxcontext.cxx @@ -0,0 +1,288 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <oox/helper/attributelist.hxx> +#include <oox/vml/vmlformatting.hxx> +#include <oox/vml/vmltextboxcontext.hxx> +#include <oox/vml/vmlshape.hxx> +#include <oox/token/namespaces.hxx> +#include <oox/token/tokens.hxx> +#include <osl/diagnose.h> +#include <sal/log.hxx> +#include <o3tl/string_view.hxx> +#include <utility> + +namespace oox::vml { + +using ::oox::core::ContextHandler2; +using ::oox::core::ContextHandler2Helper; +using ::oox::core::ContextHandlerRef; + +TextPortionContext::TextPortionContext( ContextHandler2Helper const & rParent, + TextBox& rTextBox, TextParagraphModel aParagraph, TextFontModel aParentFont, + sal_Int32 nElement, const AttributeList& rAttribs ) : + ContextHandler2( rParent ), + mrTextBox( rTextBox ), + maParagraph(std::move( aParagraph )), + maFont(std::move( aParentFont )), + mnInitialPortions( rTextBox.getPortionCount() ) +{ + switch( nElement ) + { + case XML_font: + maFont.moName = rAttribs.getXString( XML_face ); + maFont.moColor = rAttribs.getXString( XML_color ); + maFont.monSize = rAttribs.getInteger( XML_size ); + break; + case XML_u: + OSL_ENSURE( !maFont.monUnderline, "TextPortionContext::TextPortionContext - nested <u> elements" ); + maFont.monUnderline = (rAttribs.getToken( XML_class, XML_TOKEN_INVALID ) == XML_font4) ? XML_double : XML_single; + break; + case XML_sub: + case XML_sup: + OSL_ENSURE( !maFont.monEscapement, "TextPortionContext::TextPortionContext - nested <sub> or <sup> elements" ); + maFont.monEscapement = nElement; + break; + case XML_b: + OSL_ENSURE( !maFont.mobBold.has_value(), "TextPortionContext::TextPortionContext - nested <b> elements" ); + maFont.mobBold = true; + break; + case XML_i: + OSL_ENSURE( !maFont.mobItalic.has_value(), "TextPortionContext::TextPortionContext - nested <i> elements" ); + maFont.mobItalic = true; + break; + case XML_s: + OSL_ENSURE( !maFont.mobStrikeout.has_value(), "TextPortionContext::TextPortionContext - nested <s> elements" ); + maFont.mobStrikeout = true; + break; + case OOX_TOKEN(dml, blip): + { + std::optional<OUString> oRelId = rAttribs.getString(R_TOKEN(embed)); + if (oRelId.has_value()) + mrTextBox.mrTypeModel.moGraphicPath = getFragmentPathFromRelId(oRelId.value()); + } + break; + case VML_TOKEN(imagedata): + { + std::optional<OUString> oRelId = rAttribs.getString(R_TOKEN(id)); + if (oRelId.has_value()) + mrTextBox.mrTypeModel.moGraphicPath = getFragmentPathFromRelId(oRelId.value()); + } + break; + case XML_span: + case W_TOKEN(r): + break; + default: + OSL_ENSURE( false, "TextPortionContext::TextPortionContext - unknown element" ); + } +} + +ContextHandlerRef TextPortionContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) +{ + OSL_ENSURE( nElement != XML_font, "TextPortionContext::onCreateContext - nested <font> elements" ); + if (getNamespace(getCurrentElement()) == NMSP_doc) + return this; + return new TextPortionContext( *this, mrTextBox, maParagraph, maFont, nElement, rAttribs ); +} + +void TextPortionContext::onCharacters( const OUString& rChars ) +{ + if (getNamespace(getCurrentElement()) == NMSP_doc && getCurrentElement() != W_TOKEN(t)) + return; + + switch( getCurrentElement() ) + { + case XML_span: + // replace all NBSP characters with SP + mrTextBox.appendPortion( maParagraph, maFont, rChars.replace( 0xA0, ' ' ) ); + break; + default: + mrTextBox.appendPortion( maParagraph, maFont, rChars ); + } +} + +void TextPortionContext::onStartElement(const AttributeList& rAttribs) +{ + switch (getCurrentElement()) + { + case W_TOKEN(b): + maFont.mobBold = true; + break; + case W_TOKEN(sz): + maFont.monSize = rAttribs.getInteger( W_TOKEN(val) ); + break; + case W_TOKEN(br): + mrTextBox.appendPortion( maParagraph, maFont, "\n" ); + break; + case W_TOKEN(color): + maFont.moColor = rAttribs.getString( W_TOKEN(val) ); + break; + case W_TOKEN(spacing): + maFont.monSpacing = rAttribs.getInteger(W_TOKEN(val)); + break; + case W_TOKEN(r): + case W_TOKEN(rPr): + case W_TOKEN(t): + break; + case W_TOKEN(rFonts): + // See https://msdn.microsoft.com/en-us/library/documentformat.openxml.wordprocessing.runfonts(v=office.14).aspx + maFont.moName = rAttribs.getString(W_TOKEN(ascii)); + maFont.moNameAsian = rAttribs.getString(W_TOKEN(eastAsia)); + maFont.moNameComplex = rAttribs.getString(W_TOKEN(cs)); + break; + default: + SAL_INFO("oox", "unhandled: 0x" << std::hex<< getCurrentElement()); + break; + } +} + +void TextPortionContext::onEndElement() +{ + if (getNamespace(getCurrentElement()) == NMSP_doc && getCurrentElement() != W_TOKEN(t)) + return; + + /* A child element without own child elements may contain a single space + character, for example: + + <div> + <font><i>abc</i></font> + <font> </font> + <font><b>def</b></font> + </div> + + represents the italic text 'abc', an unformatted space character, and + the bold text 'def'. Unfortunately, the XML parser skips the space + character without issuing a 'characters' event. The class member + 'mnInitialPortions' contains the number of text portions existing when + this context has been constructed. If no text has been added in the + meantime, the space character has to be added manually. + */ + if( mrTextBox.getPortionCount() == mnInitialPortions ) + mrTextBox.appendPortion( maParagraph, maFont, OUString( ' ' ) ); +} + +TextBoxContext::TextBoxContext( ContextHandler2Helper const & rParent, TextBox& rTextBox, const AttributeList& rAttribs, + const GraphicHelper& graphicHelper ) : + ContextHandler2( rParent ), + mrTextBox( rTextBox ) +{ + if( rAttribs.getStringDefaulted( XML_insetmode ) != "auto" ) + { + OUString inset = rAttribs.getStringDefaulted( XML_inset ); + std::u16string_view value; + std::u16string_view remainingStr; + + ConversionHelper::separatePair( value, remainingStr, inset, ',' ); + rTextBox.borderDistanceLeft = ConversionHelper::decodeMeasureToHmm( graphicHelper, + value.empty() ? u"0.1in" : value, 0, false, false ); + + inset = remainingStr; + ConversionHelper::separatePair( value, remainingStr, inset, ',' ); + rTextBox.borderDistanceTop = ConversionHelper::decodeMeasureToHmm( graphicHelper, + value.empty() ? u"0.05in" : value, 0, false, false ); + + inset = remainingStr; + ConversionHelper::separatePair( value, remainingStr, inset, ',' ); + rTextBox.borderDistanceRight = ConversionHelper::decodeMeasureToHmm( graphicHelper, + value.empty() ? u"0.1in" : value, 0, false, false ); + + inset = remainingStr; + ConversionHelper::separatePair( value, remainingStr, inset, ',' ); + rTextBox.borderDistanceBottom = ConversionHelper::decodeMeasureToHmm( graphicHelper, + value.empty() ? u"0.05in" : value, 0, false, false ); + + rTextBox.borderDistanceSet = true; + } + + OUString sStyle = rAttribs.getStringDefaulted( XML_style); + sal_Int32 nIndex = 0; + while( nIndex >= 0 ) + { + std::u16string_view aName, aValue; + if( ConversionHelper::separatePair( aName, aValue, o3tl::getToken(sStyle, 0, ';', nIndex ), ':' ) ) + { + if( aName == u"layout-flow" ) rTextBox.maLayoutFlow = aValue; + else if (aName == u"mso-fit-shape-to-text") + rTextBox.mrTypeModel.mbAutoHeight = true; + else if (aName == u"mso-layout-flow-alt") + rTextBox.mrTypeModel.maLayoutFlowAlt = aValue; + else if (aName == u"mso-next-textbox") + rTextBox.msNextTextbox = aValue; + else + SAL_WARN("oox", "unhandled style property: " << OUString(aName)); + } + } +} + +ContextHandlerRef TextBoxContext::onCreateContext( sal_Int32 nElement, const AttributeList& rAttribs ) +{ + switch( getCurrentElement() ) + { + case VML_TOKEN( textbox ): + if( nElement == XML_div ) return this; + else if (nElement == W_TOKEN(txbxContent)) return this; + break; + case XML_div: + if( nElement == XML_font ) return new TextPortionContext( *this, mrTextBox, maParagraph, TextFontModel(), nElement, rAttribs ); + break; + case W_TOKEN(txbxContent): + if (nElement == W_TOKEN(p)) return this; + break; + case W_TOKEN(p): + case W_TOKEN(sdtContent): + case W_TOKEN(smartTag): + if (nElement == W_TOKEN(r)) + return new TextPortionContext( *this, mrTextBox, maParagraph, TextFontModel(), nElement, rAttribs ); + else + return this; + case W_TOKEN(pPr): + case W_TOKEN(sdt): + return this; + default: + SAL_INFO("oox", "unhandled 0x" << std::hex << getCurrentElement()); + break; + } + return nullptr; +} + +void TextBoxContext::onStartElement(const AttributeList& rAttribs) +{ + switch (getCurrentElement()) + { + case W_TOKEN(jc): + maParagraph.moParaAdjust = rAttribs.getString( W_TOKEN(val) ); + break; + case W_TOKEN(pStyle): + maParagraph.moParaStyleName = rAttribs.getString( W_TOKEN(val) ); + break; + } +} + +void TextBoxContext::onEndElement() +{ + if (getCurrentElement() == W_TOKEN(p)) + { + mrTextBox.appendPortion( maParagraph, TextFontModel(), "\n" ); + maParagraph = TextParagraphModel(); + } +} + +} // namespace oox::vml + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |