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authorMichele Calgaro <[email protected]>2024-05-11 21:28:48 +0900
committerMichele Calgaro <[email protected]>2024-05-11 21:28:48 +0900
commit2462d03f322261bd616721c2b2065c4004b36c9c (patch)
tree239947a0737bb8386703a1497f12c09aebd3080a /fbreader/src/formats/oeb/NCXReader.cpp
downloadtde-ebook-reader-2462d03f322261bd616721c2b2065c4004b36c9c.tar.gz
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Initial import (as is) from Debian Snapshot's 'fbreader' source code (https://snapshot.debian.org/package/fbreader/0.99.4%2Bdfsg-6).
The Debian code is provided under GPL2 license. Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'fbreader/src/formats/oeb/NCXReader.cpp')
-rw-r--r--fbreader/src/formats/oeb/NCXReader.cpp131
1 files changed, 131 insertions, 0 deletions
diff --git a/fbreader/src/formats/oeb/NCXReader.cpp b/fbreader/src/formats/oeb/NCXReader.cpp
new file mode 100644
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+++ b/fbreader/src/formats/oeb/NCXReader.cpp
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+/*
+ * Copyright (C) 2004-2012 Geometer Plus <[email protected]>
+ *
+ * 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 <cstdlib>
+
+#include "NCXReader.h"
+#include "../util/MiscUtil.h"
+#include "../util/EntityFilesCollector.h"
+
+NCXReader::NCXReader(BookReader &modelReader) : myModelReader(modelReader), myReadState(READ_NONE), myPlayIndex(-65535) {
+}
+
+static const std::string TAG_NAVMAP = "navMap";
+static const std::string TAG_NAVPOINT = "navPoint";
+static const std::string TAG_NAVLABEL = "navLabel";
+static const std::string TAG_CONTENT = "content";
+static const std::string TAG_TEXT = "text";
+
+void NCXReader::startElementHandler(const char *fullTag, const char **attributes) {
+ std::string tag = fullTag;
+ const std::size_t index = tag.rfind(':');
+ if (index != std::string::npos) {
+ tag = tag.substr(index + 1);
+ }
+ switch (myReadState) {
+ case READ_NONE:
+ if (TAG_NAVMAP == tag) {
+ myReadState = READ_MAP;
+ }
+ break;
+ case READ_MAP:
+ if (TAG_NAVPOINT == tag) {
+ const char *order = attributeValue(attributes, "playOrder");
+ myPointStack.push_back(NavPoint(order != 0 ? std::atoi(order) : myPlayIndex++, myPointStack.size()));
+ myReadState = READ_POINT;
+ }
+ break;
+ case READ_POINT:
+ if (TAG_NAVPOINT == tag) {
+ const char *order = attributeValue(attributes, "playOrder");
+ myPointStack.push_back(NavPoint(order != 0 ? std::atoi(order) : myPlayIndex++, myPointStack.size()));
+ } else if (TAG_NAVLABEL == tag) {
+ myReadState = READ_LABEL;
+ } else if (TAG_CONTENT == tag) {
+ const char *src = attributeValue(attributes, "src");
+ if (src != 0) {
+ myPointStack.back().ContentHRef = MiscUtil::decodeHtmlURL(src);
+ }
+ }
+ break;
+ case READ_LABEL:
+ if (TAG_TEXT == tag) {
+ myReadState = READ_TEXT;
+ }
+ break;
+ case READ_TEXT:
+ break;
+ }
+}
+
+void NCXReader::endElementHandler(const char *fullTag) {
+ std::string tag = fullTag;
+ const std::size_t index = tag.rfind(':');
+ if (index != std::string::npos) {
+ tag = tag.substr(index + 1);
+ }
+ switch (myReadState) {
+ case READ_NONE:
+ break;
+ case READ_MAP:
+ if (TAG_NAVMAP == tag) {
+ myReadState = READ_NONE;
+ }
+ break;
+ case READ_POINT:
+ if (TAG_NAVPOINT == tag) {
+ if (myPointStack.back().Text.empty()) {
+ myPointStack.back().Text = "...";
+ }
+ myNavigationMap[myPointStack.back().Order] = myPointStack.back();
+ myPointStack.pop_back();
+ myReadState = myPointStack.empty() ? READ_MAP : READ_POINT;
+ }
+ case READ_LABEL:
+ if (TAG_NAVLABEL == tag) {
+ myReadState = READ_POINT;
+ }
+ break;
+ case READ_TEXT:
+ if (TAG_TEXT == tag) {
+ myReadState = READ_LABEL;
+ }
+ break;
+ }
+}
+
+void NCXReader::characterDataHandler(const char *text, std::size_t len) {
+ if (myReadState == READ_TEXT) {
+ myPointStack.back().Text.append(text, len);
+ }
+}
+
+const std::vector<std::string> &NCXReader::externalDTDs() const {
+ return EntityFilesCollector::Instance().externalDTDs("xhtml");
+}
+
+const std::map<int,NCXReader::NavPoint> &NCXReader::navigationMap() const {
+ return myNavigationMap;
+}
+
+NCXReader::NavPoint::NavPoint() {
+}
+
+NCXReader::NavPoint::NavPoint(int order, std::size_t level) : Order(order), Level(level) {
+}