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Diffstat (limited to 'filters/liboofilter/ooutils.cpp')
| -rw-r--r-- | filters/liboofilter/ooutils.cpp | 627 |
1 files changed, 627 insertions, 0 deletions
diff --git a/filters/liboofilter/ooutils.cpp b/filters/liboofilter/ooutils.cpp new file mode 100644 index 000000000..a04633fe3 --- /dev/null +++ b/filters/liboofilter/ooutils.cpp @@ -0,0 +1,627 @@ +/* This file is part of the KDE project + Copyright (C) 2002 Laurent Montel <lmontel@mandrakesoft.com> + Copyright (c) 2003 Lukas Tinkl <lukas@kde.org> + Copyright (c) 2003 David Faure <faure@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#include "ooutils.h" +#include <KoDocument.h> +#include <KoStyleStack.h> +#include <tqdom.h> +#include <tqcolor.h> +#include <tqimage.h> +#include <KoUnit.h> +#include <tqregexp.h> +#include <kdebug.h> +#include <kzip.h> +#include <KoDom.h> +#include <tqxml.h> + +const char* const ooNS::office="http://openoffice.org/2000/office"; +const char* const ooNS::style="http://openoffice.org/2000/style"; +const char* const ooNS::text="http://openoffice.org/2000/text"; +const char* const ooNS::table="http://openoffice.org/2000/table"; +const char* const ooNS::draw="http://openoffice.org/2000/drawing"; +const char* const ooNS::presentation="http://openoffice.org/2000/presentation"; +const char* const ooNS::fo="http://www.w3.org/1999/XSL/Format"; +const char* const ooNS::xlink="http://www.w3.org/1999/xlink"; +const char* const ooNS::number="http://openoffice.org/2000/datastyle"; +const char* const ooNS::svg="http://www.w3.org/2000/svg"; +const char* const ooNS::dc="http://purl.org/dc/elements/1.1/"; +const char* const ooNS::meta="http://openoffice.org/2000/meta"; +const char* const ooNS::config="http://openoffice.org/2001/config"; + +TQString OoUtils::expandWhitespace(const TQDomElement& tag) +{ + //tags like <text:s text:c="4"> + + int howmany=1; + if (tag.hasAttributeNS( ooNS::text, "c")) + howmany = tag.attributeNS( ooNS::text, "c", TQString()).toInt(); + + TQString result; + return result.fill(32, howmany); +} + +bool OoUtils::parseBorder(const TQString & tag, double * width, int * style, TQColor * color) +{ + //string like "0.088cm solid #800000" + + if (tag.isEmpty() || tag=="none" || tag=="hidden") // in fact no border + return false; + + TQString _width = tag.section(' ', 0, 0); + TQString _style = tag.section(' ', 1, 1); + TQString _color = tag.section(' ', 2, 2); + + *width = KoUnit::parseValue(_width, 1.0); + + if ( _style == "dashed" ) + *style = 1; + else if ( _style == "dotted" ) + *style = 2; + else if ( _style == "dot-dash" ) // not in xsl/fo, but in OASIS (in other places) + *style = 3; + else if ( _style == "dot-dot-dash" ) // not in xsl/fo, but in OASIS (in other places) + *style = 4; + else if ( _style == "double" ) + *style = 5; + else + *style = 0; + + if (_color.isEmpty()) + *color = TQColor(); + else + color->setNamedColor(_color); + + return true; +} + +void OoUtils::importIndents( TQDomElement& parentElement, const KoStyleStack& styleStack ) +{ + if ( styleStack.hasAttributeNS( ooNS::fo, "margin-left" ) || // 3.11.19 + styleStack.hasAttributeNS( ooNS::fo, "margin-right" ) ) + // *text-indent must always be bound to either margin-left or margin-right + { + double marginLeft = KoUnit::parseValue( styleStack.attributeNS( ooNS::fo, "margin-left" ) ); + double marginRight = KoUnit::parseValue( styleStack.attributeNS( ooNS::fo, "margin-right" ) ); + double first = 0; + if (styleStack.attributeNS( ooNS::style, "auto-text-indent") == "true") // style:auto-text-indent takes precedence + // ### "indented by a value that is based on the current font size" + // ### and "requires margin-left and margin-right + // ### but how much is the indent? + first = 10; + else if (styleStack.hasAttributeNS( ooNS::fo, "text-indent")) + first = KoUnit::parseValue( styleStack.attributeNS( ooNS::fo, "text-indent")); + + if ( marginLeft != 0 || marginRight != 0 || first != 0 ) + { + TQDomElement indent = parentElement.ownerDocument().createElement( "INDENTS" ); + if( marginLeft != 0 ) + indent.setAttribute( "left", marginLeft ); + if( marginRight != 0 ) + indent.setAttribute( "right", marginRight ); + if( first != 0 ) + indent.setAttribute( "first", first ); + parentElement.appendChild( indent ); + } + } +} + +void OoUtils::importLineSpacing( TQDomElement& parentElement, const KoStyleStack& styleStack ) +{ + if( styleStack.hasAttributeNS( ooNS::fo, "line-height") ) + { + // Fixed line height + TQString value = styleStack.attributeNS( ooNS::fo, "line-height" ); // 3.11.1 + if ( value != "normal" ) + { + TQDomElement lineSpacing = parentElement.ownerDocument().createElement( "LINESPACING" ); + + if ( value.endsWith("%" ) ) + { + double percent = value.left(value.length()-1).toDouble(); + if( percent == 100 ) + lineSpacing.setAttribute("type","single"); + else if( percent == 150 ) + lineSpacing.setAttribute("type","oneandhalf"); + else if( percent == 200 ) + lineSpacing.setAttribute("type","double"); + else + { + lineSpacing.setAttribute("type", "multiple"); + lineSpacing.setAttribute("spacingvalue", percent/100); + } + } + else // fixed value (TODO use KoUnit::parseValue to get it in pt) + { + kdWarning(30519) << "Unhandled value for fo:line-height: " << value << endl; + lineSpacing.setAttribute("type","single"); // fallback + } + parentElement.appendChild( lineSpacing ); + } + } + // Line-height-at-least is mutually exclusive with line-height + else if ( styleStack.hasAttributeNS( ooNS::style, "line-height-at-least") ) // 3.11.2 + { + TQString value = styleStack.attributeNS( ooNS::style, "line-height-at-least" ); + // kotext has "at least" but that's for the linespacing, not for the entire line height! + // Strange. kotext also has "at least" for the whole line height.... + // Did we make the wrong choice in kotext? + //kdWarning(30519) << "Unimplemented support for style:line-height-at-least: " << value << endl; + // Well let's see if this makes a big difference. + TQDomElement lineSpacing = parentElement.ownerDocument().createElement("LINESPACING"); + lineSpacing.setAttribute("type", "atleast"); + lineSpacing.setAttribute("spacingvalue", KoUnit::parseValue(value)); + parentElement.appendChild(lineSpacing); + } + // Line-spacing is mutually exclusive with line-height and line-height-at-least + else if ( styleStack.hasAttributeNS( ooNS::style, "line-spacing") ) // 3.11.3 + { + double value = KoUnit::parseValue( styleStack.attributeNS( ooNS::style, "line-spacing" ) ); + if ( value != 0.0 ) + { + TQDomElement lineSpacing = parentElement.ownerDocument().createElement( "LINESPACING" ); + lineSpacing.setAttribute( "type", "custom" ); + lineSpacing.setAttribute( "spacingvalue", value ); + parentElement.appendChild( lineSpacing ); + } + } + +} + +void OoUtils::importTopBottomMargin( TQDomElement& parentElement, const KoStyleStack& styleStack ) +{ + if( styleStack.hasAttributeNS( ooNS::fo, "margin-top") || // 3.11.22 + styleStack.hasAttributeNS( ooNS::fo, "margin-bottom")) + { + double mtop = KoUnit::parseValue( styleStack.attributeNS( ooNS::fo, "margin-top" ) ); + double mbottom = KoUnit::parseValue( styleStack.attributeNS( ooNS::fo, "margin-bottom" ) ); + if( mtop != 0 || mbottom != 0 ) + { + TQDomElement offset = parentElement.ownerDocument().createElement( "OFFSETS" ); + if( mtop != 0 ) + offset.setAttribute( "before", mtop ); + if( mbottom != 0 ) + offset.setAttribute( "after", mbottom ); + parentElement.appendChild( offset ); + } + } +} + +void OoUtils::importTabulators( TQDomElement& parentElement, const KoStyleStack& styleStack ) +{ + if ( !styleStack.hasChildNodeNS( ooNS::style, "tab-stops" ) ) // 3.11.10 + return; + TQDomElement tabStops = styleStack.childNodeNS( ooNS::style, "tab-stops" ); + //kdDebug(30519) << k_funcinfo << tabStops.childNodes().count() << " tab stops in layout." << endl; + for ( TQDomNode it = tabStops.firstChild(); !it.isNull(); it = it.nextSibling() ) + { + TQDomElement tabStop = it.toElement(); + Q_ASSERT( tabStop.tagName() == "style:tab-stop" ); + TQString type = tabStop.attributeNS( ooNS::style, "type", TQString() ); // left, right, center or char + + TQDomElement elem = parentElement.ownerDocument().createElement( "TABULATOR" ); + int kOfficeType = 0; + if ( type == "left" ) + kOfficeType = 0; + else if ( type == "center" ) + kOfficeType = 1; + else if ( type == "right" ) + kOfficeType = 2; + else if ( type == "char" ) { + TQString delimiterChar = tabStop.attributeNS( ooNS::style, "char", TQString() ); // single character + elem.setAttribute( "alignchar", delimiterChar ); + kOfficeType = 3; // "alignment on decimal point" + } + + elem.setAttribute( "type", kOfficeType ); + + double pos = KoUnit::parseValue( tabStop.attributeNS( ooNS::style, "position", TQString() ) ); + elem.setAttribute( "ptpos", pos ); + + // TODO Convert leaderChar's unicode value to the KOffice enum + // (blank/dots/line/dash/dash-dot/dash-dot-dot, 0 to 5) + TQString leaderChar = tabStop.attributeNS( ooNS::style, "leader-char", TQString() ); // single character + if ( !leaderChar.isEmpty() ) + { + int filling = 0; + TQChar ch = leaderChar[0]; + switch (ch.latin1()) { + case '.': + filling = 1; break; + case '-': + case '_': // TODO in KWord: differentiate --- and ___ + filling = 2; break; + default: + // KWord doesn't have support for "any char" as filling. + // Instead it has dash-dot and dash-dot-dot - but who uses that in a tabstop? + break; + } + elem.setAttribute( "filling", filling ); + } + parentElement.appendChild( elem ); + } + +} + +void OoUtils::importBorders( TQDomElement& parentElement, const KoStyleStack& styleStack ) +{ + if (styleStack.hasAttributeNS( ooNS::fo, "border","left")) + { + double width; + int style; + TQColor color; + if (OoUtils::parseBorder(styleStack.attributeNS( ooNS::fo, "border", "left"), &width, &style, &color)) + { + TQDomElement lbElem = parentElement.ownerDocument().createElement("LEFTBORDER"); + lbElem.setAttribute("width", width); + lbElem.setAttribute("style", style); + if (color.isValid()) { + lbElem.setAttribute("red", color.red()); + lbElem.setAttribute("green", color.green()); + lbElem.setAttribute("blue", color.blue()); + } + parentElement.appendChild(lbElem); + } + } + + if (styleStack.hasAttributeNS( ooNS::fo, "border", "right")) + { + double width; + int style; + TQColor color; + if (OoUtils::parseBorder(styleStack.attributeNS( ooNS::fo, "border", "right"), &width, &style, &color)) + { + TQDomElement lbElem = parentElement.ownerDocument().createElement("RIGHTBORDER"); + lbElem.setAttribute("width", width); + lbElem.setAttribute("style", style); + if (color.isValid()) { + lbElem.setAttribute("red", color.red()); + lbElem.setAttribute("green", color.green()); + lbElem.setAttribute("blue", color.blue()); + } + parentElement.appendChild(lbElem); + } + } + + if (styleStack.hasAttributeNS( ooNS::fo, "border", "top")) + { + double width; + int style; + TQColor color; + if (OoUtils::parseBorder(styleStack.attributeNS( ooNS::fo, "border", "top"), &width, &style, &color)) + { + TQDomElement lbElem = parentElement.ownerDocument().createElement("TOPBORDER"); + lbElem.setAttribute("width", width); + lbElem.setAttribute("style", style); + if (color.isValid()) { + lbElem.setAttribute("red", color.red()); + lbElem.setAttribute("green", color.green()); + lbElem.setAttribute("blue", color.blue()); + } + parentElement.appendChild(lbElem); + } + } + + if (styleStack.hasAttributeNS( ooNS::fo, "border", "bottom")) + { + double width; + int style; + TQColor color; + if (OoUtils::parseBorder(styleStack.attributeNS( ooNS::fo, "border", "bottom"), &width, &style, &color)) + { + TQDomElement lbElem = parentElement.ownerDocument().createElement("BOTTOMBORDER"); + lbElem.setAttribute("width", width); + lbElem.setAttribute("style", style); + if (color.isValid()) { + lbElem.setAttribute("red", color.red()); + lbElem.setAttribute("green", color.green()); + lbElem.setAttribute("blue", color.blue()); + } + parentElement.appendChild(lbElem); + } + } +} + +void OoUtils::importUnderline( const TQString& in, TQString& underline, TQString& styleline ) +{ + underline = "single"; + if ( in == "none" ) + underline = "0"; + else if ( in == "single" ) + styleline = "solid"; + else if ( in == "double" ) + { + underline = in; + styleline = "solid"; + } + else if ( in == "dotted" || in == "bold-dotted" ) // bold-dotted not in libkotext + styleline = "dot"; + else if ( in == "dash" + // those are not in libkotext: + || in == "long-dash" + || in == "bold-dash" + || in == "bold-long-dash" + ) + styleline = "dash"; + else if ( in == "dot-dash" + || in == "bold-dot-dash") // not in libkotext + styleline = "dashdot"; // tricky ;) + else if ( in == "dot-dot-dash" + || in == "bold-dot-dot-dash") // not in libkotext + styleline = "dashdotdot"; // this is getting fun... + else if ( in == "wave" + || in == "bold-wave" // not in libkotext + || in == "double-wave" // not in libkotext + || in == "small-wave" ) // not in libkotext + { + underline = in; + styleline = "solid"; + } + else if( in == "bold" ) + { + underline = "single-bold"; + styleline = "solid"; + } + else + kdWarning(30519) << k_funcinfo << " unsupported text-underline value: " << in << endl; +} + +void OoUtils::importTextPosition( const TQString& text_position, TQString& value, TQString& relativetextsize ) +{ + //OO: <vertical position (% or sub or super)> [<size as %>] + //Examples: "super" or "super 58%" or "82% 58%" (where 82% is the vertical position) + // TODO in kword: vertical positions other than sub/super + TQStringList lst = TQStringList::split( ' ', text_position ); + if ( !lst.isEmpty() ) + { + TQString textPos = lst.front().stripWhiteSpace(); + TQString textSize; + lst.pop_front(); + if ( !lst.isEmpty() ) + textSize = lst.front().stripWhiteSpace(); + if ( !lst.isEmpty() ) + kdWarning(30519) << "Strange text position: " << text_position << endl; + bool super = textPos == "super"; + bool sub = textPos == "sub"; + if ( textPos.endsWith("%") ) + { + textPos.truncate( textPos.length() - 1 ); + // This is where we interpret the text position into kotext's simpler + // "super" or "sub". + double val = textPos.toDouble(); + if ( val > 0 ) + super = true; + else if ( val < 0 ) + sub = true; + } + if ( super ) + value = "2"; + else if ( sub ) + value = "1"; + else + value = "0"; + if ( !textSize.isEmpty() && textSize.endsWith("%") ) + { + textSize.truncate( textSize.length() - 1 ); + double textSizeValue = textSize.toDouble() / 100; // e.g. 0.58 + relativetextsize = TQString::number( textSizeValue ); + } + } + else + value = "0"; +} + +void OoUtils::createDocumentInfo(TQDomDocument &_meta, TQDomDocument & docinfo) +{ + TQDomNode meta = KoDom::namedItemNS( _meta, ooNS::office, "document-meta" ); + TQDomNode office = KoDom::namedItemNS( meta, ooNS::office, "meta" ); + + if ( office.isNull() ) + return; + TQDomElement elementDocInfo = docinfo.documentElement(); + + TQDomElement e = KoDom::namedItemNS( office, ooNS::dc, "creator" ); + if ( !e.isNull() && !e.text().isEmpty() ) + { + TQDomElement author = docinfo.createElement( "author" ); + TQDomElement t = docinfo.createElement( "full-name" ); + author.appendChild( t ); + t.appendChild( docinfo.createTextNode( e.text() ) ); + elementDocInfo.appendChild( author); + } + + e = KoDom::namedItemNS( office, ooNS::dc, "title" ); + if ( !e.isNull() && !e.text().isEmpty() ) + { + TQDomElement about = docinfo.createElement( "about" ); + TQDomElement title = docinfo.createElement( "title" ); + about.appendChild( title ); + title.appendChild( docinfo.createTextNode( e.text() ) ); + elementDocInfo.appendChild( about ); + } + + e = KoDom::namedItemNS( office, ooNS::dc, "description" ); + if ( !e.isNull() && !e.text().isEmpty() ) + { + TQDomElement about = elementDocInfo.namedItem( "about" ).toElement(); + if ( about.isNull() ) { + about = docinfo.createElement( "about" ); + elementDocInfo.appendChild( about ); + } + TQDomElement title = docinfo.createElement( "abstract" ); + about.appendChild( title ); + title.appendChild( docinfo.createTextNode( e.text() ) ); + } + e = KoDom::namedItemNS( office, ooNS::dc, "subject" ); + if ( !e.isNull() && !e.text().isEmpty() ) + { + TQDomElement about = elementDocInfo.namedItem( "about" ).toElement(); + if ( about.isNull() ) { + about = docinfo.createElement( "about" ); + elementDocInfo.appendChild( about ); + } + TQDomElement subject = docinfo.createElement( "subject" ); + about.appendChild( subject ); + subject.appendChild( docinfo.createTextNode( e.text() ) ); + } + e = KoDom::namedItemNS( office, ooNS::meta, "keywords" ); + if ( !e.isNull() ) + { + TQDomElement about = elementDocInfo.namedItem( "about" ).toElement(); + if ( about.isNull() ) { + about = docinfo.createElement( "about" ); + elementDocInfo.appendChild( about ); + } + TQDomElement tmp = KoDom::namedItemNS( e, ooNS::meta, "keyword" ); + if ( !tmp.isNull() && !tmp.text().isEmpty() ) + { + TQDomElement keyword = docinfo.createElement( "keyword" ); + about.appendChild( keyword ); + keyword.appendChild( docinfo.createTextNode( tmp.text() ) ); + } + } +} + +KoFilter::ConversionStatus OoUtils::loadAndParse(const TQString& fileName, TQDomDocument& doc, KoStore *m_store ) +{ + kdDebug(30518) << "loadAndParse: Trying to open " << fileName << endl; + + if (!m_store->open(fileName)) + { + kdWarning(30519) << "Entry " << fileName << " not found!" << endl; + return KoFilter::FileNotFound; + } + KoFilter::ConversionStatus convertStatus = loadAndParse( m_store->device(),doc, fileName ); + m_store->close(); + return convertStatus; + +} + +KoFilter::ConversionStatus OoUtils::loadAndParse(TQIODevice* io, TQDomDocument& doc, const TQString & fileName) +{ + TQXmlInputSource source( io ); + // Copied from TQDomDocumentPrivate::setContent, to change the whitespace thing + TQXmlSimpleReader reader; + KoDocument::setupXmlReader( reader, true /*namespaceProcessing*/ ); + + // Error variables for TQDomDocument::setContent + TQString errorMsg; + int errorLine, errorColumn; + if ( !doc.setContent( &source, &reader, &errorMsg, &errorLine, &errorColumn ) ) + { + kdError(30519) << "Parsing error in " << fileName << "! Aborting!" << endl + << " In line: " << errorLine << ", column: " << errorColumn << endl + << " Error message: " << errorMsg << endl; + return KoFilter::ParsingError; + } + + kdDebug(30519) << "File " << fileName << " loaded and parsed!" << endl; + + return KoFilter::OK; + +} + +KoFilter::ConversionStatus OoUtils::loadAndParse(const TQString& filename, TQDomDocument& doc, KZip * m_zip) +{ + kdDebug(30519) << "Trying to open " << filename << endl; + + if (!m_zip) + { + kdError(30519) << "No ZIP file!" << endl; + return KoFilter::CreationError; // Should not happen + } + + const KArchiveEntry* entry = m_zip->directory()->entry( filename ); + if (!entry) + { + kdWarning(30519) << "Entry " << filename << " not found!" << endl; + return KoFilter::FileNotFound; + } + if (entry->isDirectory()) + { + kdWarning(30519) << "Entry " << filename << " is a directory!" << endl; + return KoFilter::WrongFormat; + } + const KZipFileEntry* f = static_cast<const KZipFileEntry *>(entry); + kdDebug(30519) << "Entry " << filename << " has size " << f->size() << endl; + TQIODevice* io = f->device(); + KoFilter::ConversionStatus convertStatus = loadAndParse( io,doc, filename ); + delete io; + return convertStatus; +} + +KoFilter::ConversionStatus OoUtils::loadThumbnail( TQImage& thumbnail, KZip * m_zip ) +{ + const TQString filename( "Thumbnails/thumbnail.png" ); + kdDebug(30519) << "Trying to open thumbnail " << filename << endl; + + if (!m_zip) + { + kdError(30519) << "No ZIP file!" << endl; + return KoFilter::CreationError; // Should not happen + } + + const KArchiveEntry* entry = m_zip->directory()->entry( filename ); + if (!entry) + { + kdWarning(30519) << "Entry " << filename << " not found!" << endl; + return KoFilter::FileNotFound; + } + if (entry->isDirectory()) + { + kdWarning(30519) << "Entry " << filename << " is a directory!" << endl; + return KoFilter::WrongFormat; + } + const KZipFileEntry* f = static_cast<const KZipFileEntry *>(entry); + TQIODevice* io=f->device(); + kdDebug(30519) << "Entry " << filename << " has size " << f->size() << endl; + + if ( ! io->open( IO_ReadOnly ) ) + { + kdWarning(30519) << "Thumbnail could not be opened!" <<endl; + delete io; + return KoFilter::StupidError; + } + + TQImageIO imageIO( io, "PNG" ); + if ( ! imageIO.read() ) + { + kdWarning(30519) << "Thumbnail could not be read!" <<endl; + delete io; + return KoFilter::StupidError; + } + + io->close(); + + thumbnail = imageIO.image(); + + if ( thumbnail.isNull() ) + { + kdWarning(30519) << "Read thumbnail is null!" <<endl; + delete io; + return KoFilter::StupidError; + } + + delete io; + + kdDebug(30519) << "File " << filename << " loaded!" << endl; + + return KoFilter::OK; +} |