diff options
| author | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-06-07 23:30:05 +0900 |
|---|---|---|
| committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2024-06-07 23:30:05 +0900 |
| commit | 17b259df9cb6b28779d4881b2b6c805ee2e48eea (patch) | |
| tree | 5ed61937459cb7081089111b0242c01ec178f1f3 /reader/src/formats/openreader/ORBookReader.cpp | |
| parent | 1cba8bce178eb2d6719c6f7f21e2c9352c5513a6 (diff) | |
| download | tde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.tar.gz tde-ebook-reader-17b259df9cb6b28779d4881b2b6c805ee2e48eea.zip | |
Rename to tde-ebook-reader
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'reader/src/formats/openreader/ORBookReader.cpp')
| -rw-r--r-- | reader/src/formats/openreader/ORBookReader.cpp | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/reader/src/formats/openreader/ORBookReader.cpp b/reader/src/formats/openreader/ORBookReader.cpp new file mode 100644 index 0000000..d494b7f --- /dev/null +++ b/reader/src/formats/openreader/ORBookReader.cpp @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2004-2012 Geometer Plus <contact@geometerplus.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <cstring> +#include <cstdlib> +#include <algorithm> + +#include <ZLUnicodeUtil.h> +#include <ZLFileImage.h> + +#include "ORBookReader.h" +#include "../xhtml/XHTMLReader.h" +#include "../util/MiscUtil.h" +#include "../../bookmodel/BookModel.h" +#include "../../library/Book.h" + +ORBookReader::ORBookReader(BookModel &model) : myModelReader(model) { +} + +void ORBookReader::characterDataHandler(const char *data, std::size_t len) { + if (myState == READ_TOCTITLE) { + myTOCTitle.append(data, len); + } +} + +static const std::string TAG_RESOURCES = "resources"; +static const std::string TAG_USERSET = "userset"; +static const std::string TAG_NAVIGATION = "primarynav"; + +static const std::string TAG_SPINE = "spine"; +static const std::string TAG_COVER = "cover"; + +static const std::string TAG_ITEM = "item"; +static const std::string TAG_ITEMREF = "itemref"; +static const std::string TAG_POINTER = "pointer"; +static const std::string TAG_TITLE = "title"; + +static const std::string xhtmlMediaType = "application/x-orp-bcd1+xml"; + +void ORBookReader::startElementHandler(const char *tag, const char **xmlattributes) { + const std::string tagString = ZLUnicodeUtil::toLower(tag); + if (TAG_RESOURCES == tagString) { + myState = READ_RESOURCES; + } else if (TAG_USERSET == tagString) { + myState = READ_USERSET; + } else if ((myState == READ_RESOURCES) && (TAG_ITEM == tagString)) { + const char *resid = attributeValue(xmlattributes, "resid"); + const char *resource = attributeValue(xmlattributes, "resource"); + shared_ptr<ZLMimeType> mediaType = ZLMimeType::get(attributeValue(xmlattributes, "media-type")); + if ((resid != 0) && (resource != 0)) { + myResources[resid] = resource; + if (!mediaType.isNull() && mediaType != ZLMimeType::EMPTY) { + if (ZLMimeType::APPLICATION_OR_XML == mediaType) { + myHtmlFileIDs.insert(resid); + } else if (ZLMimeType::isImage(mediaType)) { + myImageIDs[resid] = mediaType; + } + } + } + } else if (myState == READ_USERSET) { + if (TAG_NAVIGATION == tagString) { + myState = READ_NAVIGATION; + } else if (TAG_SPINE == tagString) { + const char *residrefs = attributeValue(xmlattributes, "residrefs"); + if (residrefs != 0) { + while (1) { + const char *nextSpace = std::strchr(residrefs, ' '); + if (nextSpace == 0) { + if (*residrefs != '\0') { + myHtmlFilesOrder.push_back(residrefs); + } + break; + } + if (nextSpace != residrefs) { + myHtmlFilesOrder.push_back(std::string(residrefs, nextSpace - residrefs)); + } + residrefs = nextSpace + 1; + } + } + } else if (TAG_COVER == tagString) { + const char *residrefs = attributeValue(xmlattributes, "residrefs"); + if (residrefs != 0) { + myCoverReference = residrefs; + } + } + } else if (myState == READ_NAVIGATION && TAG_POINTER == tagString) { + const char *ref = attributeValue(xmlattributes, "elemrefs"); + const char *level = attributeValue(xmlattributes, "level"); + if (ref != 0 && level != 0) { + myTOCReference = ref; + myTOCLevel = std::atoi(level); + myState = READ_POINTER; + } + } else if (myState == READ_POINTER && TAG_TITLE == tagString) { + myState = READ_TOCTITLE; + } +} + +void ORBookReader::endElementHandler(const char *tag) { + const std::string tagString = ZLUnicodeUtil::toLower(tag); + if (TAG_RESOURCES == tagString || TAG_USERSET == tagString) { + myState = READ_NONE; + } else if (myState == READ_NAVIGATION && TAG_NAVIGATION == tagString) { + myState = READ_USERSET; + } else if (myState == READ_POINTER && TAG_POINTER == tagString) { + myState = READ_NAVIGATION; + } else if (myState == READ_TOCTITLE && TAG_TITLE == tagString) { + myTOC.push_back(TOCItem(myTOCReference, myTOCTitle, myTOCLevel)); + myTOCTitle.erase(); + myState = READ_POINTER; + } +} + +bool ORBookReader::readBook() { + const ZLFile &file = myModelReader.model().book()->file(); + myFilePrefix = MiscUtil::htmlDirectoryPrefix(file.path()); + + myResources.clear(); + myCoverReference.erase(); + myHtmlFileIDs.clear(); + myImageIDs.clear(); + myHtmlFilesOrder.clear(); + myTOC.clear(); + myState = READ_NONE; + + if (!readDocument(file)) { + return false; + } + + myModelReader.setMainTextModel(); + myModelReader.pushKind(REGULAR); + + if (!myCoverReference.empty()) { + myModelReader.addImageReference(myCoverReference); + } + + for (std::vector<std::string>::const_iterator it = myHtmlFilesOrder.begin(); it != myHtmlFilesOrder.end(); ++it) { + myHtmlFileIDs.erase(*it); + XHTMLReader(myModelReader).readFile(ZLFile(myFilePrefix + myResources[*it]), *it); + } + + int level = 1; + for (std::vector<TOCItem>::const_iterator it = myTOC.begin(); it != myTOC.end(); ++it) { + int index = myModelReader.model().label(it->Reference).ParagraphNumber; + if (index != -1) { + for (; level > it->Level; --level) { + myModelReader.endContentsParagraph(); + } + ++level; + myModelReader.beginContentsParagraph(index); + myModelReader.addContentsData(it->Text); + } + } + for (; level > 1; --level) { + myModelReader.endContentsParagraph(); + } + + for (std::set<std::string>::const_iterator it = myHtmlFileIDs.begin(); it != myHtmlFileIDs.end(); ++it) { + myModelReader.setFootnoteTextModel(*it); + myModelReader.pushKind(REGULAR); + XHTMLReader(myModelReader).readFile(ZLFile(myFilePrefix + myResources[*it]), *it); + } + + for (std::map<std::string,shared_ptr<ZLMimeType> >::const_iterator it = myImageIDs.begin(); it != myImageIDs.end(); ++it) { + myModelReader.addImage(it->first, new ZLFileImage(ZLFile(myFilePrefix + myResources[it->first], it->second), 0)); + } + + return true; +} |
