#ifndef lint
static char rcsid[] = "@(#$Id: reslistpager.cpp,v 1.4 2008-12-02 13:14:01 dockes Exp $ (C) 2007 J.F.Dockes";
#endif
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "reslistpager.h"
#include "debuglog.h"
#include "rclconfig.h"
#include "smallut.h"
#include "plaintorich.h"
#include "mimehandler.h"
// This should be passed as an input object to the pager instead
class PlainToRichHtReslist : public PlainToRich {
public:
virtual ~PlainToRichHtReslist() {}
virtual string startMatch() {return string("<font color=\"blue\">");}
virtual string endMatch() {return string("</font>");}
};
// IDEM
struct Prefs {
bool queryBuildAbstract;
bool queryReplaceAbstract;
};
Prefs prefs = {true, true};
void ResListPager::resultPageNext()
{
if (m_docSource.isNull()) {
LOGDEB(("ResListPager::displayPage: null source\n"));
return;
}
int resCnt = m_docSource->getResCnt();
LOGDEB(("ResListPager::resultPageNext: rescnt %d, winfirst %d\n",
resCnt, m_winfirst));
if (m_winfirst < 0) {
m_winfirst = 0;
} else {
m_winfirst += m_pagesize;
}
// Get the next page of results.
vector<ResListEntry> npage;
int pagelen = m_docSource->getSeqSlice(m_winfirst, m_pagesize, npage);
// If page was truncated, there is no next
m_hasNext = (pagelen == m_pagesize);
if (pagelen <= 0) {
// No results ? This can only happen on the first page or if the
// actual result list size is a multiple of the page pref (else
// there would have been no Next on the last page)
if (m_winfirst > 0) {
// Have already results. Let them show, just disable the
// Next button. We'd need to remove the Next link from the page
// too.
// Restore the m_winfirst value, let the current result vector alone
m_winfirst -= m_pagesize;
} else {
// No results at all (on first page)
m_winfirst = -1;
}
return;
}
m_respage = npage;
}
void ResListPager::displayPage()
{
if (m_docSource.isNull()) {
LOGDEB(("ResListPager::displayPage: null source\n"));
return;
}
string chunk;
// Display list header
// We could use a <title> but the textedit doesnt display
// it prominently
// Note: have to append text in chunks that make sense
// html-wise. If we break things up too much, the editor
// gets confused. Hence the use of the 'chunk' text
// accumulator
// Also note that there can be results beyond the estimated resCnt.
chunk = "<html><head>"
"<meta http-equiv=\"content-type\""
"content=\"text/html; charset=utf-8\">"
"</head><body>";
chunk += pageTop();
chunk += "<p><font size=+1><b>";
chunk += m_docSource->title();
chunk += "</b></font>"
" ";
if (pageEmpty()) {
chunk += tr("<p><b>No results found</b> for ");
} else {
unsigned int resCnt = m_docSource->getResCnt();
if (m_winfirst + m_respage.size() < resCnt) {
string f1 = tr("Documents <b>%d-%d</b> out of at least <b>%d</b> for ");
char buf[1024];
snprintf(buf, 1023, f1.c_str(), m_winfirst+1,
m_winfirst + m_respage.size(), resCnt);
chunk += buf;
} else {
string f1 = tr("Documents <b>%d-%d</b> for ");
char buf[1024];
snprintf(buf, 1023, f1.c_str(), m_winfirst + 1,
m_winfirst + m_respage.size());
chunk += buf;
}
}
chunk += detailsLink();
if (hasPrev() || hasNext()) {
chunk += " ";
if (hasPrev()) {
chunk += "<a href=\"" + prevUrl() + "\"><b>";
chunk += tr("Previous");
chunk += "</b></a> ";
}
if (hasNext()) {
chunk += "<a href=\""+ nextUrl() + "\"><b>";
chunk += tr("Next");
chunk += "</b></a>";
}
}
chunk += "</p>";
append(chunk);
if (pageEmpty())
return;
HiliteData hdata;
m_docSource->getTerms(hdata.terms, hdata.groups, hdata.gslks);
// Emit data for result entry paragraph. Do it in chunks that make sense
// html-wise, else our client may get confused
for (int i = 0; i < (int)m_respage.size(); i++) {
Rcl::Doc &doc(m_respage[i].doc);
string& sh(m_respage[i].subHeader);
int percent;
if (doc.pc == -1) {
percent = 0;
// Document not available, maybe other further, will go on.
doc.meta[Rcl::Doc::keyabs] = string(tr("Unavailable document"));
} else {
percent = doc.pc;
}
// Percentage of 'relevance'
char perbuf[10];
sprintf(perbuf, "%3d%% ", percent);
// Determine icon to display if any
string iconpath;
RclConfig::getMainConfig()->getMimeIconName(doc.mimetype, &iconpath);
iconpath = string("file://") + iconpath;
// Printable url: either utf-8 if transcoding succeeds, or url-encoded
string url;
printableUrl(RclConfig::getMainConfig()->getDefCharset(), doc.url, url);
// Make title out of file name if none yet
if (doc.meta[Rcl::Doc::keytt].empty()) {
doc.meta[Rcl::Doc::keytt] = path_getsimple(url);
}
// Result number
char numbuf[20];
int docnumforlinks = m_winfirst + 1 + i;
sprintf(numbuf, "%d", docnumforlinks);
// Document date: either doc or file modification time
char datebuf[100];
datebuf[0] = 0;
if (!doc.dmtime.empty() || !doc.fmtime.empty()) {
time_t mtime = doc.dmtime.empty() ?
atol(doc.fmtime.c_str()) : atol(doc.dmtime.c_str());
struct tm *tm = localtime(&mtime);
#ifndef sun
strftime(datebuf, 99, " %Y-%m-%d %H:%M:%S %z", tm);
#else
strftime(datebuf, 99, " %Y-%m-%d %H:%M:%S %Z", tm);
#endif
}
// Size information. We print both doc and file if they differ a lot
long fsize = -1, dsize = -1;
if (!doc.dbytes.empty())
dsize = atol(doc.dbytes.c_str());
if (!doc.fbytes.empty())
fsize = atol(doc.fbytes.c_str());
string sizebuf;
if (dsize > 0) {
sizebuf = displayableBytes(dsize);
if (fsize > 10 * dsize && fsize - dsize > 1000)
sizebuf += string(" / ") + displayableBytes(fsize);
} else if (fsize >= 0) {
sizebuf = displayableBytes(fsize);
}
string abstract;
if (prefs.queryBuildAbstract &&
(doc.syntabs || prefs.queryReplaceAbstract)) {
abstract = m_docSource->getAbstract(doc);
} else {
abstract = doc.meta[Rcl::Doc::keyabs];
}
// No need to call escapeHtml(), plaintorich handles it
list<string> lr;
PlainToRichHtReslist ptr;
ptr.plaintorich(abstract, lr, hdata);
string richabst = lr.front();
// Links;
string linksbuf;
char vlbuf[100];
if (canIntern(doc.mimetype, RclConfig::getMainConfig())) {
sprintf(vlbuf, "\"P%d\"", docnumforlinks);
linksbuf += string("<a href=") + vlbuf + ">" + "Preview" + "</a>"
+ " ";
}
if (!RclConfig::getMainConfig()->getMimeViewerDef(doc.mimetype).empty()) {
sprintf(vlbuf, "E%d", docnumforlinks);
linksbuf += string("<a href=") + vlbuf + ">" + "Open" + "</a>";
}
// Build the result list paragraph:
chunk = "";
// Subheader: this is used by history
if (!sh.empty())
chunk += "<p><b>" + sh + "</p>\n<p>";
else
chunk += "<p>";
// Configurable stuff
map<char,string> subs;
subs['A'] = !richabst.empty() ? richabst + "<br>" : "";
subs['D'] = datebuf;
subs['I'] = iconpath;
subs['K'] = !doc.meta[Rcl::Doc::keykw].empty() ?
escapeHtml(doc.meta[Rcl::Doc::keykw]) + "<br>" : "";
subs['L'] = linksbuf;
subs['N'] = numbuf;
subs['M'] = doc.mimetype;
subs['R'] = perbuf;
subs['S'] = sizebuf;
subs['T'] = escapeHtml(doc.meta[Rcl::Doc::keytt]);
subs['U'] = url;
string formatted;
pcSubst(parFormat(), formatted, subs);
chunk += formatted;
chunk += "</p>\n";
LOGDEB2(("Chunk: [%s]\n", (const char *)chunk.c_str()));
append(chunk);
}
// Footer
chunk = "<p align=\"center\">";
if (hasPrev() || hasNext()) {
if (hasPrev()) {
chunk += "<a href=\"" + prevUrl() + "\"><b>";
chunk += tr("Previous");
chunk += "</b></a> ";
}
if (hasNext()) {
chunk += "<a href=\""+ nextUrl() + "\"><b>";
chunk += tr("Next");
chunk += "</b></a>";
}
}
chunk += "</p>\n";
chunk += "</body></html>\n";
append(chunk);
}
string ResListPager::nextUrl()
{
return "n-1";
}
string ResListPager::prevUrl()
{
return "p-1";
}
// Default implementations for things that should be re-implemented by our user.
bool ResListPager::append(const string& data)
{
fprintf(stderr, "%s", data.c_str());
return true;
}
string ResListPager::tr(const string& in)
{
return in;
}
string ResListPager::detailsLink()
{
string chunk = "<a href=\"H-1\">";
chunk += tr("(show query)") + "</a>";
return chunk;
}
const string &ResListPager::parFormat()
{
const static string format("<img src=\"%I\" align=\"left\">"
"%R %S %L <b>%T</b><br>"
"%M %D <i>%U</i><br>"
"%A %K");
return format;
}