115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
#ifndef lint
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static char rcsid[] = "@(#$Id: mimehandler.cpp,v 1.4 2005-01-29 15:41:11 dockes Exp $ (C) 2004 J.F.Dockes";
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#endif
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#include <iostream>
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#include <string>
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using namespace std;
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#include "mimehandler.h"
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#include "readfile.h"
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#include "csguess.h"
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#include "transcode.h"
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#include "debuglog.h"
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#include "smallut.h"
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bool textPlainToDoc(RclConfig *conf, const string &fn,
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const string &mtype, Rcl::Doc &docout)
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{
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string otext;
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if (!file_to_string(fn, otext))
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return false;
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// Try to guess charset, then convert to utf-8, and fill document
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// fields The charset guesser really doesnt work well in general
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// and should be avoided (especially for short documents)
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string charset;
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if (conf->guesscharset) {
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charset = csguess(otext, conf->defcharset);
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} else
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charset = conf->defcharset;
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string utf8;
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LOGDEB1(("textPlainToDoc: transcod from %s to %s\n", charset, "UTF-8"));
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if (!transcode(otext, utf8, charset, "UTF-8")) {
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cerr << "textPlainToDoc: transcode failed: charset '" << charset
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<< "' to UTF-8: "<< utf8 << endl;
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otext.erase();
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return 0;
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}
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Rcl::Doc out;
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out.origcharset = charset;
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out.text = utf8;
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docout = out;
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return true;
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}
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// Map of mime types to internal interner functions. This could just as well
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// be an if else if suite inside getMimeHandler(), but this is prettier ?
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static map<string, MimeHandlerFunc> ihandlers;
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// Static object to get the map to be initialized at program start.
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class IHandler_Init {
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public:
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IHandler_Init() {
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ihandlers["text/plain"] = textPlainToDoc;
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ihandlers["text/html"] = textHtmlToDoc;
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// Add new associations here when needed
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}
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};
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static IHandler_Init ihandleriniter;
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/**
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* Return handler function for given mime type
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*/
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MimeHandlerFunc getMimeHandler(const std::string &mtype, ConfTree *mhandlers)
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{
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// Return handler definition for mime type
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string hs;
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if (!mhandlers->get(mtype, hs, "index")) {
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LOGDEB(("getMimeHandler: no handler for %s\n", mtype.c_str()));
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return 0;
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}
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// Break definition into type and name
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vector<string> toks;
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ConfTree::stringToStrings(hs, toks);
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if (toks.size() < 1) {
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LOGERR(("getMimeHandler: bad mimeconf line for %s\n", mtype.c_str()));
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return 0;
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}
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// Retrieve handler function according to type
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if (!stringlowercmp("internal", toks[0])) {
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map<string, MimeHandlerFunc>::const_iterator it =
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ihandlers.find(mtype);
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if (it == ihandlers.end()) {
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LOGERR(("getMimeHandler: internal handler not found for %s\n",
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mtype.c_str()));
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return 0;
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}
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return it->second;
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} else if (!stringlowercmp("dll", toks[0])) {
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if (toks.size() != 2)
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return 0;
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return 0;
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} else if (!stringlowercmp("exec", toks[0])) {
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if (toks.size() != 2)
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return 0;
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return 0;
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} else {
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return 0;
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}
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}
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/**
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* Return external viewer exec string for given mime type
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*/
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string getMimeViewer(const std::string &mtype, ConfTree *mhandlers)
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{
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string hs;
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mhandlers->get(mtype, hs, "view");
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return hs;
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}
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