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DjVuSource.cpp
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// WinDjView
// Copyright (C) 2004-2015 Andrew Zhezherun
//
// 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.
// http://www.gnu.org/copyleft/gpl.html
#include "stdafx.h"
#include "DjVuSource.h"
#include "XMLParser.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
// PageInfo
void PageInfo::Update(GP<DjVuImage> pImage)
{
if (pImage == NULL)
return;
if (!bDecoded)
{
nInitialRotate = GetTotalRotate(pImage, 0);
szPage = CSize(pImage->get_width(), pImage->get_height());
if (nInitialRotate % 2 != 0)
swap(szPage.cx, szPage.cy);
nDPI = pImage->get_dpi();
if (szPage.cx <= 0 || szPage.cy <= 0)
{
szPage.cx = 100;
szPage.cy = 100;
nDPI = 100;
}
bHasText = !!(pImage->get_djvu_file()->text != NULL);
bDecoded = true;
}
try
{
if (bHasText && !bTextDecoded)
DecodeText(pImage->get_text());
}
catch (GException&)
{
}
try
{
if (!bAnnoDecoded)
DecodeAnno(pImage->get_anno());
}
catch (GException&)
{
}
}
void PageInfo::Update(const PageInfo& info)
{
if (!bDecoded && info.bDecoded)
{
nInitialRotate = info.nInitialRotate;
szPage = info.szPage;
nDPI = info.nDPI;
bHasText = info.bHasText;
bDecoded = true;
}
if (!bTextDecoded && info.bTextDecoded)
{
pText = info.pText;
bTextDecoded = true;
}
if (!bAnnoDecoded && info.bAnnoDecoded)
{
pAnt = info.pAnt;
anno = info.anno;
bAnnoDecoded = true;
}
}
void PageInfo::DecodeAnno(GP<ByteStream> pAnnoStream)
{
if (pAnnoStream == NULL)
return;
pAnnoStream->seek(0);
GP<DjVuAnno> pDjVuAnno = DjVuAnno::create();
pDjVuAnno->decode(pAnnoStream);
pAnt = pDjVuAnno->ant;
if (pAnt != NULL)
{
for (GPosition pos = pAnt->map_areas; pos; ++pos)
{
GP<GMapArea> pArea = pAnt->map_areas[pos];
anno.push_back(Annotation());
anno.back().Init(pArea, szPage, nInitialRotate);
}
}
bAnnoDecoded = true;
}
void PageInfo::DecodeText(GP<ByteStream> pTextStream)
{
if (pTextStream == NULL)
return;
pTextStream->seek(0);
GP<DjVuText> pDjVuText = DjVuText::create();
pDjVuText->decode(pTextStream);
pText = pDjVuText->txt;
bTextDecoded = true;
}
// Annotation
static const TCHAR pszTagAnnotation[] = _T("annotation");
static const TCHAR pszAttrBorder[] = _T("border");
static const TCHAR pszAttrBorderColor[] = _T("border-color");
static const TCHAR pszAttrBorderHideInactive[] = _T("border-hide-inactive");
static const TCHAR pszAttrFill[] = _T("fill");
static const TCHAR pszAttrFillColor[] = _T("fill-color");
static const TCHAR pszAttrFillTransparency[] = _T("fill-transparency");
static const TCHAR pszAttrFillHideInactive[] = _T("fill-hide-inactive");
static const TCHAR pszAttrComment[] = _T("comment");
static const TCHAR pszAttrCommentAlwaysShow[] = _T("always-show-comment");
static const TCHAR pszAttrURL[] = _T("url");
static const TCHAR pszTagRect[] = _T("rect");
static const TCHAR pszAttrLeft[] = _T("left");
static const TCHAR pszAttrTop[] = _T("top");
static const TCHAR pszAttrRight[] = _T("right");
static const TCHAR pszAttrBottom[] = _T("bottom");
void Annotation::UpdateBounds()
{
if (!rects.empty())
{
rectBounds = rects[0];
for (size_t i = 1; i < rects.size(); ++i)
rectBounds.recthull(GRect(rectBounds), rects[i]);
}
else if (!points.empty())
{
rectBounds = GRect(points[0].first, points[0].second, 1, 1);
for (size_t i = 1; i < points.size(); ++i)
rectBounds.recthull(GRect(rectBounds), GRect(points[i].first, points[i].second, 1, 1));
}
}
GUTF8String Annotation::GetXML() const
{
CString strRects;
for (size_t i = 0; i < rects.size(); ++i)
{
strRects += FormatString(_T("<%s %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%d\" />\n"),
pszTagRect, pszAttrLeft, rects[i].xmin, pszAttrTop, rects[i].ymin,
pszAttrRight, rects[i].xmax, pszAttrBottom, rects[i].ymax);
}
CString strBorder;
strBorder.Format(_T("%s=\"%d\" %s=\"#%06x\" %s=\"%d\""),
pszAttrBorder, nBorderType, pszAttrBorderColor, crBorder,
pszAttrBorderHideInactive, static_cast<int>(bHideInactiveBorder));
CString strFill;
strFill.Format(_T("%s=\"%d\" %s=\"#%06x\" %s=\"%d%%\" %s=\"%d\""),
pszAttrFill, nFillType, pszAttrFillColor, crFill,
pszAttrFillTransparency, static_cast<int>(fTransparency*100 + 0.5),
pszAttrFillHideInactive, static_cast<int>(bHideInactiveFill));
CString strBegin;
strBegin.Format(_T("<%s %s %s %s=\"%d\" %s=\""),
pszTagAnnotation, strBorder, strFill, pszAttrCommentAlwaysShow,
static_cast<int>(bAlwaysShowComment), pszAttrComment);
CString strEnd;
strEnd.Format(_T(">\n%s</%s>\n"), strRects, pszTagAnnotation);
GUTF8String strURLAttr;
if (strURL.length() > 0)
{
strURLAttr = MakeUTF8String(CString(pszAttrURL)) + "=\"" + strURL.toEscaped() + "\" ";
}
return MakeUTF8String(strBegin) + strComment.toEscaped() + "\" "
+ strURLAttr + MakeUTF8String(strEnd);
}
void Annotation::Load(const XMLNode& node)
{
if (MakeCString(node.tagName) != pszTagAnnotation)
return;
int borderType;
if (node.GetIntAttribute(pszAttrBorder, borderType))
{
if (borderType >= BorderNone && borderType <= BorderXOR)
nBorderType = borderType;
}
COLORREF color;
if (node.GetColorAttribute(pszAttrBorderColor, color))
crBorder = color;
int nHideBorder;
if (node.GetIntAttribute(pszAttrBorderHideInactive, nHideBorder))
bHideInactiveBorder = !!nHideBorder;
int fillType;
if (node.GetIntAttribute(pszAttrFill, fillType))
{
if (fillType >= FillNone && fillType <= FillXOR)
nFillType = fillType;
}
if (node.GetColorAttribute(pszAttrFillColor, color))
crFill = color;
int nPercent;
if (node.GetIntAttribute(pszAttrFillTransparency, nPercent))
{
if (nPercent >= 0 && nPercent <= 100)
fTransparency = nPercent / 100.0;
}
int nHideFill;
if (node.GetIntAttribute(pszAttrFillHideInactive, nHideFill))
bHideInactiveFill = !!nHideFill;
wstring str;
if (node.GetAttribute(pszAttrComment, str))
strComment = MakeUTF8String(str);
int nShowComment;
if (node.GetIntAttribute(pszAttrCommentAlwaysShow, nShowComment))
bAlwaysShowComment = !!nShowComment;
if (node.GetAttribute(pszAttrURL, str))
strURL = MakeUTF8String(str);
rects.clear();
list<XMLNode>::const_iterator it;
for (it = node.childElements.begin(); it != node.childElements.end(); ++it)
{
const XMLNode& child = *it;
if (MakeCString(child.tagName) == pszTagRect)
{
GRect rect;
if (!child.GetIntAttribute(pszAttrLeft, rect.xmin)
|| !child.GetIntAttribute(pszAttrTop, rect.ymin)
|| !child.GetIntAttribute(pszAttrRight, rect.xmax)
|| !child.GetIntAttribute(pszAttrBottom, rect.ymax))
continue;
rects.push_back(rect);
}
}
UpdateBounds();
}
static void Rotate(const CSize& szPage, int nRotate, GRect& rect)
{
GRect input(0, 0, szPage.cx, szPage.cy);
GRect output(0, 0, szPage.cx, szPage.cy);
if ((nRotate % 2) != 0)
swap(input.xmax, input.ymax);
GRectMapper mapper;
mapper.clear();
mapper.set_input(input);
mapper.set_output(output);
mapper.rotate(nRotate);
mapper.unmap(rect);
}
void Annotation::Init(GP<GMapArea> pArea, const CSize& szPage, int nRotate)
{
sourceArea = pArea;
if (pArea->border_type == GMapArea::NO_BORDER)
nBorderType = BorderNone;
else if (pArea->border_type == GMapArea::XOR_BORDER)
nBorderType = BorderXOR;
else if (pArea->border_type == GMapArea::SHADOW_IN_BORDER)
nBorderType = BorderShadowIn;
else if (pArea->border_type == GMapArea::SHADOW_OUT_BORDER)
nBorderType = BorderShadowOut;
else if (pArea->border_type == GMapArea::SHADOW_EIN_BORDER)
nBorderType = BorderEtchedIn;
else if (pArea->border_type == GMapArea::SHADOW_EOUT_BORDER)
nBorderType = BorderEtchedOut;
else
nBorderType = BorderSolid;
if (nBorderType == BorderSolid)
{
DWORD dwColor = pArea->border_color;
crBorder = RGB(GetBValue(dwColor), GetGValue(dwColor), GetRValue(dwColor));
}
if (pArea->get_shape_type() != GMapArea::RECT && nBorderType > BorderXOR)
nBorderType = BorderXOR;
nBorderWidth = max(2, min(32, pArea->border_width));
bHideInactiveBorder = !pArea->border_always_visible;
if (pArea->hilite_color == 0xffffffff)
nFillType = FillNone;
else if (pArea->hilite_color == 0xff000000)
nFillType = FillXOR;
else
nFillType = FillSolid;
if (nFillType == FillSolid)
{
DWORD dwColor = pArea->hilite_color;
crFill = RGB(GetBValue(dwColor), GetGValue(dwColor), GetRValue(dwColor));
}
fTransparency = 1.0 - max(0, min(100, pArea->opacity)) / 100.0;
if (pArea->is_text)
{
bAlwaysShowComment = true;
DWORD dwColor = pArea->foreground_color;
crForeground = RGB(GetBValue(dwColor), GetGValue(dwColor), GetRValue(dwColor));
}
strComment = pArea->comment;
strURL = pArea->url;
if (pArea->get_shape_type() == GMapArea::LINE || pArea->get_shape_type() == GMapArea::POLY)
{
GMapPoly* pPoly = (GMapPoly*)(GMapArea*) pArea;
for (int i = 0; i < pPoly->get_points_num(); ++i)
{
GRect rect(pPoly->get_x(i), pPoly->get_y(i), 1, 1);
if (nRotate != 0)
Rotate(szPage, nRotate, rect);
points.push_back(make_pair(rect.xmin, rect.ymin));
}
if (pArea->is_line)
{
bIsLine = true;
bHasArrow = pArea->has_arrow;
nLineWidth = max(1, min(32, pArea->line_width));
DWORD dwColor = pArea->foreground_color;
crForeground = RGB(GetBValue(dwColor), GetGValue(dwColor), GetRValue(dwColor));
}
}
else
{
if (pArea->get_shape_type() == GMapArea::OVAL)
bOvalShape = true;
rects.push_back(pArea->get_bound_rect());
if (nRotate != 0)
Rotate(szPage, nRotate, rects.back());
}
UpdateBounds();
}
void Annotation::Fix()
{
if (nBorderType < BorderNone || nBorderType > BorderXOR)
nBorderType = BorderNone;
if (nFillType < FillNone || nFillType > FillXOR)
nFillType = FillSolid;
}
// PageSettings
static const TCHAR pszTagPageSettings[] = _T("page-settings");
static const TCHAR pszAttrNumber[] = _T("number");
GUTF8String PageSettings::GetXML() const
{
GUTF8String result;
list<Annotation>::const_iterator it;
for (it = anno.begin(); it != anno.end(); ++it)
{
const Annotation& annotation = *it;
result += annotation.GetXML();
}
return result;
}
void PageSettings::Load(const XMLNode& node)
{
if (MakeCString(node.tagName) != pszTagPageSettings)
return;
list<XMLNode>::const_iterator it;
for (it = node.childElements.begin(); it != node.childElements.end(); ++it)
{
const XMLNode& child = *it;
if (MakeCString(child.tagName) == pszTagAnnotation)
{
anno.push_back(Annotation());
Annotation& annotation = anno.back();
annotation.Load(child);
if (annotation.rects.empty())
anno.pop_back();
}
}
}
// Bookmark
static const TCHAR pszTagBookmark[] = _T("bookmark");
static const TCHAR pszAttrTitle[] = _T("title");
static const TCHAR pszAttrType[] = _T("type");
static const TCHAR pszAttrPage[] = _T("page");
static const TCHAR pszAttrOffsetX[] = _T("offset-x");
static const TCHAR pszAttrOffsetY[] = _T("offset-y");
static const TCHAR pszAttrMargin[] = _T("margin");
Bookmark& Bookmark::operator=(const Bookmark& bm)
{
if (this != &bm)
{
children = bm.children;
strURL = bm.strURL;
strTitle = bm.strTitle;
pParent = bm.pParent;
nLinkType = bm.nLinkType;
nPage = bm.nPage;
ptOffset = bm.ptOffset;
bMargin = bm.bMargin;
bZoom = bm.bZoom;
nZoomType = bm.nZoomType;
fZoom = bm.fZoom;
nPrevZoomType = bm.nPrevZoomType;
fPrevZoom = bm.fPrevZoom;
}
return *this;
}
void Bookmark::swap(Bookmark& bm)
{
if (this != &bm)
{
children.swap(bm.children);
std::swap(strURL, bm.strURL);
std::swap(strTitle, bm.strTitle);
std::swap(pParent, bm.pParent);
std::swap(nLinkType, bm.nLinkType);
std::swap(nPage, bm.nPage);
std::swap(ptOffset, bm.ptOffset);
std::swap(bMargin, bm.bMargin);
std::swap(bZoom, bm.bZoom);
std::swap(nZoomType, bm.nZoomType);
std::swap(fZoom, bm.fZoom);
std::swap(nPrevZoomType, bm.nPrevZoomType);
std::swap(fPrevZoom, bm.fPrevZoom);
}
}
GUTF8String Bookmark::GetXML() const
{
GUTF8String result;
result += MakeUTF8String(FormatString(_T("<%s %s=\""), pszTagBookmark, pszAttrTitle));
result += strTitle.toEscaped();
result += MakeUTF8String(FormatString(_T("\" %s=\"%d\" "), pszAttrType, nLinkType));
if (nLinkType == Page || nLinkType == View)
{
result += MakeUTF8String(FormatString(_T("%s=\"%d\" "), pszAttrPage, nPage));
if (nLinkType == View)
{
result += MakeUTF8String(FormatString(_T("%s=\"%d\" "), pszAttrOffsetX, ptOffset.x));
result += MakeUTF8String(FormatString(_T("%s=\"%d\" "), pszAttrOffsetY, ptOffset.y));
result += MakeUTF8String(FormatString(_T("%s=\"%d\" "), pszAttrMargin, (int) bMargin));
}
}
else if (nLinkType == URL)
{
result += MakeUTF8String(FormatString(_T("%s=\""), pszAttrURL));
result += strURL.toEscaped();
result += "\" ";
}
if (!children.empty())
{
result += ">\n";
for (list<Bookmark>::iterator it = children.begin(); it != children.end(); ++it)
result += (*it).GetXML();
result += MakeUTF8String(FormatString(_T("</%s>\n"), pszTagBookmark));
}
else
result += "/>\n";
return result;
}
void Bookmark::Load(const XMLNode& node)
{
if (MakeCString(node.tagName) != pszTagBookmark)
return;
wstring str;
if (node.GetAttribute(pszAttrTitle, str))
strTitle = MakeUTF8String(str);
node.GetIntAttribute(pszAttrType, nLinkType);
if (nLinkType == URL)
{
if (node.GetAttribute(pszAttrURL, str))
strURL = MakeUTF8String(str);
}
else if (nLinkType == Page || nLinkType == View)
{
node.GetIntAttribute(pszAttrPage, nPage);
if (nLinkType == View)
{
node.GetLongAttribute(pszAttrOffsetX, ptOffset.x);
node.GetLongAttribute(pszAttrOffsetY, ptOffset.y);
int nMargin;
if (node.GetIntAttribute(pszAttrMargin, nMargin))
bMargin = (nMargin != 0);
}
}
list<XMLNode>::const_iterator it;
for (it = node.childElements.begin(); it != node.childElements.end(); ++it)
{
const XMLNode& child = *it;
if (MakeCString(child.tagName) == pszTagBookmark)
{
children.push_back(Bookmark());
Bookmark& bookmark = children.back();
bookmark.Load(child);
}
}
}
// DocSettings
static const TCHAR pszTagSettings[] = _T("settings");
static const TCHAR pszAttrStartPage[] = _T("start-page");
static const TCHAR pszAttrZoomType[] = _T("zoom-type");
static const TCHAR pszAttrZoom[] = _T("zoom");
static const TCHAR pszAttrLayout[] = _T("layout");
static const TCHAR pszAttrFirstPage[] = _T("first-page");
static const TCHAR pszAttrRightToLeft[] = _T("right-to-left");
static const TCHAR pszAttrDisplayMode[] = _T("display-mode");
static const TCHAR pszAttrRotate[] = _T("rotate");
static const TCHAR pszAttrOpenSidebarTab[] = _T("sidebar-tab");
static const TCHAR pszTagBookmarks[] = _T("bookmarks");
static const TCHAR pszTagContent[] = _T("content");
DocSettings::DocSettings()
: nPage(-1), ptOffset(0, 0), nZoomType(-10), fZoom(100.0), nLayout(-1),
bFirstPageAlone(false), bRightToLeft(false), nDisplayMode(-1), nRotate(0),
nOpenSidebarTab(-1)
{
}
GUTF8String DocSettings::GetXML(bool skip_view_settings) const
{
GUTF8String result;
CString strHead;
if (skip_view_settings)
{
strHead.Format(_T("<%s>\n"), pszTagContent);
}
else
{
strHead.Format(_T("<%s %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%.2lf%%\"")
_T(" %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%d\" %s=\"%d\">\n"),
pszTagSettings, pszAttrStartPage, nPage, pszAttrOffsetX, ptOffset.x,
pszAttrOffsetY, ptOffset.y, pszAttrZoomType, nZoomType, pszAttrZoom, fZoom,
pszAttrLayout, nLayout, pszAttrFirstPage, static_cast<int>(bFirstPageAlone),
pszAttrRightToLeft, static_cast<int>(bRightToLeft),
pszAttrDisplayMode, nDisplayMode, pszAttrRotate, nRotate,
pszAttrOpenSidebarTab, nOpenSidebarTab);
}
result += MakeUTF8String(strHead);
if (!bookmarks.empty())
{
result += MakeUTF8String(FormatString(_T("<%s>\n"), pszTagBookmarks));
for (list<Bookmark>::const_iterator it = bookmarks.begin(); it != bookmarks.end(); ++it)
result += (*it).GetXML();
result += MakeUTF8String(FormatString(_T("</%s>\n"), pszTagBookmarks));
}
map<int, PageSettings>::const_iterator it;
for (it = pageSettings.begin(); it != pageSettings.end(); ++it)
{
int nPage = (*it).first + 1;
const PageSettings& settings = (*it).second;
GUTF8String strPageXML = settings.GetXML();
if (strPageXML.length() != 0)
{
result += MakeUTF8String(FormatString(_T("<%s %s=\"%d\" >\n"),
pszTagPageSettings, pszAttrNumber, nPage));
result += strPageXML;
result += MakeUTF8String(FormatString(_T("</%s>\n"), pszTagPageSettings));
}
}
if (skip_view_settings)
result += MakeUTF8String(FormatString(_T("</%s>\n"), pszTagContent));
else
result += MakeUTF8String(FormatString(_T("</%s>\n"), pszTagSettings));
return result;
}
void DocSettings::Load(const XMLNode& node)
{
CString strTagName = MakeCString(node.tagName);
if (strTagName != pszTagSettings && strTagName != pszTagContent)
return;
if (strTagName == pszTagSettings)
{
node.GetIntAttribute(pszAttrStartPage, nPage);
node.GetLongAttribute(pszAttrOffsetX, ptOffset.x);
node.GetLongAttribute(pszAttrOffsetY, ptOffset.y);
node.GetIntAttribute(pszAttrZoomType, nZoomType);
node.GetDoubleAttribute(pszAttrZoom, fZoom);
node.GetIntAttribute(pszAttrLayout, nLayout);
node.GetIntAttribute(pszAttrDisplayMode, nDisplayMode);
node.GetIntAttribute(pszAttrRotate, nRotate);
node.GetIntAttribute(pszAttrOpenSidebarTab, nOpenSidebarTab);
int nFirstPage;
if (node.GetIntAttribute(pszAttrFirstPage, nFirstPage))
bFirstPageAlone = (nFirstPage != 0);
int nRightToLeft;
if (node.GetIntAttribute(pszAttrRightToLeft, nRightToLeft))
bRightToLeft = (nRightToLeft != 0);
}
pageSettings.clear();
bookmarks.clear();
list<XMLNode>::const_iterator it;
for (it = node.childElements.begin(); it != node.childElements.end(); ++it)
{
const XMLNode& child = *it;
if (MakeCString(child.tagName) == pszTagPageSettings)
{
int pageNo;
if (!child.GetIntAttribute(pszAttrNumber, pageNo))
continue;
PageSettings& data = pageSettings[pageNo - 1];
data.Load(child);
}
else if (MakeCString(child.tagName) == pszTagBookmarks)
{
list<XMLNode>::const_iterator it;
for (it = child.childElements.begin(); it != child.childElements.end(); ++it)
{
const XMLNode& bmNode = *it;
if (MakeCString(bmNode.tagName) == pszTagBookmark)
{
bookmarks.push_back(Bookmark());
Bookmark& bookmark = bookmarks.back();
bookmark.Load(bmNode);
}
}
}
}
}
Annotation* DocSettings::AddAnnotation(const Annotation& anno, int nPage)
{
PageSettings& settings = pageSettings[nPage];
settings.anno.push_back(anno);
Annotation* pNewAnno = &(settings.anno.back());
UpdateObservers(AnnotationMsg(ANNOTATION_ADDED, pNewAnno, nPage));
return pNewAnno;
}
bool DocSettings::DeleteBookmark(const Bookmark* pBookmark)
{
list<Bookmark>& bmList = (pBookmark->pParent != NULL ?
pBookmark->pParent->children : bookmarks);
for (list<Bookmark>::iterator it = bmList.begin(); it != bmList.end(); ++it)
{
Bookmark* pCurBookmark = &(*it);
if (pCurBookmark == pBookmark)
{
list<Bookmark> temp;
temp.splice(temp.end(), bmList, it);
ASSERT(&(temp.front()) == pCurBookmark);
UpdateObservers(BookmarkMsg(BOOKMARK_DELETED, pCurBookmark));
return true;
}
}
return false;
}
bool DocSettings::DeleteAnnotation(const Annotation* pAnno, int nPage)
{
PageSettings& settings = pageSettings[nPage];
list<Annotation>::iterator it;
for (it = settings.anno.begin(); it != settings.anno.end(); ++it)
{
Annotation* pCurAnno = &(*it);
if (pCurAnno == pAnno)
{
list<Annotation> temp;
temp.splice(temp.end(), settings.anno, it);
ASSERT(&(temp.front()) == pCurAnno);
UpdateObservers(AnnotationMsg(ANNOTATION_DELETED, pCurAnno, nPage));
if (settings.anno.empty())
pageSettings.erase(nPage);
return true;
}
}
if (settings.anno.empty())
pageSettings.erase(nPage);
return false;
}
// DictionaryInfo
static const TCHAR pszTagString[] = _T("string");
static const TCHAR pszAttrCode[] = _T("code");
static const TCHAR pszAttrLocalization[] = _T("localization");
static const TCHAR pszAttrValue[] = _T("value");
void DictionaryInfo::ReadPageIndex(const GUTF8String& str, bool bEncoded)
{
string strTemp = str;
if (bEncoded)
Base64Decode(strTemp);
strPageIndex = strTemp.c_str();
}
void DictionaryInfo::ReadCharMap(const GUTF8String& str, bool bEncoded)
{
string strTemp = str;
if (bEncoded)
Base64Decode(strTemp);
strCharMap = strTemp.c_str();
}
void DictionaryInfo::ReadTitle(const GUTF8String& str, bool bEncoded)
{
titleLoc.clear();
if (str.length() == 0)
return;
string strTemp = str;
if (bEncoded)
Base64Decode(strTemp);
strTitleRaw = strTemp.c_str();
stringstream sin(strTemp.c_str());
XMLParser parser;
if (parser.Parse(sin))
ReadLocalizedStrings(titleLoc, *parser.GetRoot());
}
void DictionaryInfo::ReadLangFrom(const GUTF8String& str, bool bEncoded)
{
strLangFromCode = "";
langFromLoc.clear();
if (str.length() == 0)
return;
string strTemp = str;
if (bEncoded)
Base64Decode(strTemp);
strLangFromRaw = strTemp.c_str();
stringstream sin(strTemp.c_str());
XMLParser parser;
if (parser.Parse(sin))
{
wstring strCode;
if (parser.GetRoot()->GetAttribute(pszAttrCode, strCode))
strLangFromCode = MakeUTF8String(strCode);
ReadLocalizedStrings(langFromLoc, *parser.GetRoot());
}
}
void DictionaryInfo::ReadLangTo(const GUTF8String& str, bool bEncoded)
{
strLangToCode = "";
langToLoc.clear();
if (str.length() == 0)
return;
string strTemp = str;
if (bEncoded)
Base64Decode(strTemp);
strLangToRaw = strTemp.c_str();
stringstream sin(strTemp.c_str());
XMLParser parser;
if (parser.Parse(sin))
{
wstring strCode;
if (parser.GetRoot()->GetAttribute(pszAttrCode, strCode))
strLangToCode = MakeUTF8String(strCode);
ReadLocalizedStrings(langToLoc, *parser.GetRoot());
}
}
void DictionaryInfo::ReadLocalizedStrings(vector<LocalizedString>& loc, const XMLNode& node)
{
list<XMLNode>::const_iterator it;
for (it = node.childElements.begin(); it != node.childElements.end(); ++it)
{
const XMLNode& child = *it;
if (MakeCString(child.tagName) == pszTagString)
{
DWORD code;
if (!child.GetHexAttribute(pszAttrLocalization, code))
continue;
wstring value;
if (!child.GetAttribute(pszAttrValue, value))
continue;
loc.push_back(make_pair(code, MakeUTF8String(value)));
}
}
}
// DjVuSource
CCriticalSection DjVuSource::openDocumentsLock;
map<CString, DjVuSource*> DjVuSource::openDocuments;
map<MD5, DocSettings> DjVuSource::settings;
IApplication* DjVuSource::pApplication = NULL;
static const char pszPageIndexKey[] = "page-index";
static const char pszCharMapKey[] = "char-map";
static const char pszTitleKey[] = "title-localized";
static const char pszLangFromKey[] = "language-from";
static const char pszLangToKey[] = "language-to";
DjVuSource::DjVuSource(const CString& strFileName, GP<DjVuDocument> pDoc, DocSettings* pSettings)
: m_strFileName(strFileName), m_pDjVuDoc(pDoc), m_nPageCount(0), m_bHasText(false),
m_pSettings(pSettings)
{
m_nPageCount = m_pDjVuDoc->get_pages_num();
ASSERT(m_nPageCount > 0);
m_pages.clear();
m_pages.resize(m_nPageCount);
if (pApplication != NULL)
{
if (pApplication->GetDictionaryInfo(strFileName) != NULL)
m_dictInfo.bInstalled = true;
}
PageInfo info = GetPageInfo(0, false, true);
if (info.pAnt != NULL)
{
m_dictInfo.ReadPageIndex(info.pAnt->metadata[pszPageIndexKey]);
m_dictInfo.ReadCharMap(info.pAnt->metadata[pszCharMapKey]);
m_dictInfo.ReadTitle(info.pAnt->metadata[pszTitleKey]);
m_dictInfo.ReadLangFrom(info.pAnt->metadata[pszLangFromKey]);
m_dictInfo.ReadLangTo(info.pAnt->metadata[pszLangToKey]);
}
}
DjVuSource::~DjVuSource()
{
while (!m_eventCache.empty())
{
HANDLE hEvent = m_eventCache.top();
m_eventCache.pop();
::CloseHandle(hEvent);
}
m_pDjVuDoc = NULL;
// Close open files
GURL url = GURL::Filename::UTF8(MakeUTF8String(m_strFileName));
DataPool::load_file(url);
UpdateObservers(SOURCE_RELEASED);
}
void DjVuSource::Release()
{
openDocumentsLock.Lock();
if (InterlockedDecrement(&m_nRefCount) <= 0)
{
openDocuments.erase(m_strFileName);
delete this;
}
openDocumentsLock.Unlock();
}
DjVuSource* DjVuSource::FromFile(const CString& strFileName)
{
TCHAR pszName[MAX_PATH] = { 0 };
LPTSTR pszFileName;
GetFullPathName(strFileName, MAX_PATH, pszName, &pszFileName);
openDocumentsLock.Lock();
map<CString, DjVuSource*>::iterator itSource = openDocuments.find(pszName);
if (itSource != openDocuments.end())
{
DjVuSource* pSource = (*itSource).second;
pSource->AddRef();
openDocumentsLock.Unlock();
return pSource;
}
CFile file;
if (!file.Open(pszName, CFile::modeRead | CFile::shareDenyWrite))
return NULL;
int nLength = static_cast<int>(min(file.GetLength(), 0x40000));
LPBYTE pBuf = new BYTE[nLength];
file.Read(pBuf, nLength);
file.Close();
MD5 digest(pBuf, nLength);
delete[] pBuf;
GP<DjVuDocument> pDoc = NULL;
try
{
GURL url = GURL::Filename::UTF8(MakeUTF8String(CString(pszName)));
pDoc = DjVuDocument::create(url);
pDoc->wait_get_pages_num();
}
catch (GException&)
{
return NULL;
}
if (pDoc->get_pages_num() == 0)
{