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//========================================================================
//
// This file comes from pdftohtml project
// http://pdftohtml.sourceforge.net
//
// Copyright from:
// Gueorgui Ovtcharov
// Rainer Dorsch <http://www.ra.informatik.uni-stuttgart.de/~rainer/>
// Mikhail Kruk <meshko@cs.brandeis.edu>
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2008 Boris Toloknov <tlknv@yandex.ru>
// Copyright (C) 2010 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2013 Julien Nabet <serval2412@yahoo.fr>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#include "HtmlLinks.h"
extern GBool xml;
HtmlLink::HtmlLink(const HtmlLink& x){
Xmin=x.Xmin;
Ymin=x.Ymin;
Xmax=x.Xmax;
Ymax=x.Ymax;
dest=new GooString(x.dest);
}
HtmlLink::HtmlLink(double xmin,double ymin,double xmax,double ymax,GooString * _dest)
{
if (xmin < xmax) {
Xmin=xmin;
Xmax=xmax;
} else {
Xmin=xmax;
Xmax=xmin;
}
if (ymin < ymax) {
Ymin=ymin;
Ymax=ymax;
} else {
Ymin=ymax;
Ymax=ymin;
}
dest=new GooString(_dest);
}
HtmlLink::~HtmlLink(){
delete dest;
}
GBool HtmlLink::isEqualDest(const HtmlLink& x) const{
return (!strcmp(dest->getCString(), x.dest->getCString()));
}
GBool HtmlLink::inLink(double xmin,double ymin,double xmax,double ymax) const {
double y=(ymin+ymax)/2;
if (y>Ymax) return gFalse;
return (y>Ymin)&&(xmin<Xmax)&&(xmax>Xmin);
}
static GooString* EscapeSpecialChars( GooString* s )
{
GooString* tmp = NULL;
for( int i = 0, j = 0; i < s->getLength(); i++, j++ ){
const char *replace = NULL;
switch ( s->getChar(i) ){
case '"': replace = """; break;
case '&': replace = "&"; break;
case '<': replace = "<"; break;
case '>': replace = ">"; break;
default: continue;
}
if( replace ){
if( !tmp ) tmp = new GooString( s );
if( tmp ){
tmp->del( j, 1 );
int l = strlen( replace );
tmp->insert( j, replace, l );
j += l - 1;
}
}
}
return tmp ? tmp : s;
}
GooString* HtmlLink::getLinkStart() {
GooString *res = new GooString("<a href=\"");
GooString *d = xml ? EscapeSpecialChars(dest) : dest;
res->append( d );
if( d != dest ) delete d;
res->append("\">");
return res;
}
/*GooString* HtmlLink::Link(GooString* content){
//GooString* _dest=new GooString(dest);
GooString *tmp=new GooString("<a href=\"");
tmp->append(dest);
tmp->append("\">");
tmp->append(content);
tmp->append("</a>");
//delete _dest;
return tmp;
}*/
HtmlLinks::HtmlLinks(){
accu=new std::vector<HtmlLink>();
}
HtmlLinks::~HtmlLinks(){
delete accu;
accu=NULL;
}
GBool HtmlLinks::inLink(double xmin,double ymin,double xmax,double ymax,int& p)const {
for(std::vector<HtmlLink>::iterator i=accu->begin();i!=accu->end();++i){
if (i->inLink(xmin,ymin,xmax,ymax)) {
p=(i - accu->begin());
return 1;
}
}
return 0;
}
HtmlLink* HtmlLinks::getLink(int i) const{
return &(*accu)[i];
}
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