#include "support/gettext.h"
#include "support/lstrings.h"
#include "support/os.h"
-#include "support/Path.h"
+#include "support/PathChanger.h"
#include "support/Systemcall.h"
#include "support/textutils.h"
#include "support/Translator.h"
#include "support/linkback/LinkBackProxy.h"
#endif
+#ifdef HAVE_MAGIC_H
+#include <magic.h>
+#endif
+
using namespace std;
using namespace lyx::support;
class FormatNamesEqual : public unary_function<Format, bool> {
public:
FormatNamesEqual(string const & name)
- : name_(name) {}
+ : name_(name)
+ {}
bool operator()(Format const & f) const
{
return f.name() == name_;
class FormatExtensionsEqual : public unary_function<Format, bool> {
public:
FormatExtensionsEqual(string const & extension)
- : extension_(extension) {}
+ : extension_(extension)
+ {}
bool operator()(Format const & f) const
{
return f.hasExtension(extension_);
};
-class FormatPrettyNameEqual : public unary_function<Format, bool> {
+class FormatMimeEqual : public unary_function<Format, bool> {
public:
- FormatPrettyNameEqual(string const & prettyname)
- : prettyname_(prettyname) {}
+ FormatMimeEqual(string const & mime)
+ : mime_(mime)
+ {}
bool operator()(Format const & f) const
{
- return f.prettyname() == prettyname_;
+ // The test for empty mime strings is needed since we allow
+ // formats with empty mime types.
+ return f.mime() == mime_ && !mime_.empty();
}
private:
- string prettyname_;
+ string mime_;
};
+
} //namespace anon
+bool Format::formatSorter(Format const * lhs, Format const * rhs)
+{
+ return _(lhs->prettyname()) < _(rhs->prettyname());
+}
bool operator<(Format const & a, Format const & b)
{
Format::Format(string const & n, string const & e, string const & p,
string const & s, string const & v, string const & ed,
- int flags)
+ string const & m, int flags)
: name_(n), prettyname_(p), shortcut_(s), viewer_(v),
- editor_(ed), flags_(flags)
+ editor_(ed), mime_(m), flags_(flags)
{
extension_list_ = getVectorFromString(e, ",");
LYXERR(Debug::GRAPHICS, "New Format: n=" << n << ", flags=" << flags);
}
+namespace {
+
+/** Guess the file format name (as in Format::name()) from contents.
+ * Normally you don't want to use this directly, but rather
+ * Formats::getFormatFromFile().
+ */
+string guessFormatFromContents(FileName const & fn)
+{
+ // the different filetypes and what they contain in one of the first lines
+ // (dots are any characters). (Herbert 20020131)
+ // AGR Grace...
+ // BMP BM...
+ // EPS %!PS-Adobe-3.0 EPSF...
+ // FIG #FIG...
+ // FITS ...BITPIX...
+ // GIF GIF...
+ // JPG \377\330... (0xFFD8)
+ // PDF %PDF-...
+ // PNG .PNG...
+ // PBM P1... or P4 (B/W)
+ // PGM P2... or P5 (Grayscale)
+ // PPM P3... or P6 (color)
+ // PS %!PS-Adobe-2.0 or 1.0, no "EPSF"!
+ // SGI \001\332... (decimal 474)
+ // TGIF %TGIF...
+ // TIFF II... or MM...
+ // XBM ..._bits[]...
+ // XPM /* XPM */ sometimes missing (f.ex. tgif-export)
+ // ...static char *...
+ // XWD \000\000\000\151 (0x00006900) decimal 105
+ //
+ // GZIP \037\213 http://www.ietf.org/rfc/rfc1952.txt
+ // ZIP PK... http://www.halyava.ru/document/ind_arch.htm
+ // Z \037\235 UNIX compress
+
+ // paranoia check
+ if (fn.empty() || !fn.isReadableFile())
+ return string();
+
+ ifstream ifs(fn.toFilesystemEncoding().c_str());
+ if (!ifs)
+ // Couldn't open file...
+ return string();
+
+ // gnuzip
+ static string const gzipStamp = "\037\213";
+
+ // PKZIP
+ static string const zipStamp = "PK";
+
+ // ZIP containers (koffice, openoffice.org etc).
+ static string const nonzipStamp = "\008\0\0\0mimetypeapplication/";
+
+ // compress
+ static string const compressStamp = "\037\235";
+
+ // Maximum strings to read
+ int const max_count = 50;
+ int count = 0;
+
+ string str;
+ string format;
+ bool firstLine = true;
+ bool backslash = false;
+ int dollars = 0;
+ while ((count++ < max_count) && format.empty()) {
+ if (ifs.eof())
+ break;
+
+ getline(ifs, str);
+ string const stamp = str.substr(0, 2);
+ if (firstLine && str.size() >= 2) {
+ // at first we check for a zipped file, because this
+ // information is saved in the first bytes of the file!
+ // also some graphic formats which save the information
+ // in the first line, too.
+ if (prefixIs(str, gzipStamp)) {
+ format = "gzip";
+
+ } else if (stamp == zipStamp &&
+ !contains(str, nonzipStamp)) {
+ format = "zip";
+
+ } else if (stamp == compressStamp) {
+ format = "compress";
+
+ // the graphics part
+ } else if (stamp == "BM") {
+ format = "bmp";
+
+ } else if (stamp == "\377\330") {
+ format = "jpg";
+
+ } else if (stamp == "\001\332") {
+ format = "sgi";
+
+ // PBM family
+ // Don't need to use str.at(0), str.at(1) because
+ // we already know that str.size() >= 2
+ } else if (str[0] == 'P') {
+ switch (str[1]) {
+ case '1':
+ case '4':
+ format = "pbm";
+ break;
+ case '2':
+ case '5':
+ format = "pgm";
+ break;
+ case '3':
+ case '6':
+ format = "ppm";
+ }
+ break;
+
+ } else if ((stamp == "II") || (stamp == "MM")) {
+ format = "tiff";
+
+ } else if (prefixIs(str,"%TGIF")) {
+ format = "tgif";
+
+ } else if (prefixIs(str,"#FIG")) {
+ format = "fig";
+
+ } else if (prefixIs(str,"GIF")) {
+ format = "gif";
+
+ } else if (str.size() > 3) {
+ int const c = ((str[0] << 24) & (str[1] << 16) &
+ (str[2] << 8) & str[3]);
+ if (c == 105) {
+ format = "xwd";
+ }
+ }
+
+ firstLine = false;
+ }
+
+ if (!format.empty())
+ break;
+ else if (contains(str,"EPSF"))
+ // dummy, if we have wrong file description like
+ // %!PS-Adobe-2.0EPSF"
+ format = "eps";
+
+ else if (contains(str, "Grace"))
+ format = "agr";
+
+ else if (contains(str, "%PDF"))
+ // autodetect pdf format for graphics inclusion
+ format = "pdf6";
+
+ else if (contains(str, "PNG"))
+ format = "png";
+
+ else if (contains(str, "%!PS-Adobe")) {
+ // eps or ps
+ ifs >> str;
+ if (contains(str,"EPSF"))
+ format = "eps";
+ else
+ format = "ps";
+ }
+
+ else if (contains(str, "_bits[]"))
+ format = "xbm";
+
+ else if (contains(str, "XPM") || contains(str, "static char *"))
+ format = "xpm";
+
+ else if (contains(str, "BITPIX"))
+ format = "fits";
+
+ else if (contains(str, "\\documentclass") ||
+ contains(str, "\\chapter") ||
+ contains(str, "\\section") ||
+ contains(str, "\\begin") ||
+ contains(str, "\\end") ||
+ contains(str, "$$") ||
+ contains(str, "\\[") ||
+ contains(str, "\\]"))
+ format = "latex";
+ else {
+ if (contains(str, '\\'))
+ backslash = true;
+ dollars += count_char(str, '$');
+ }
+ }
+
+ if (format.empty() && backslash && dollars > 1)
+ // inline equation
+ format = "latex";
+
+ if (format.empty()) {
+ if (ifs.eof())
+ LYXERR(Debug::GRAPHICS, "filetools(getFormatFromContents)\n"
+ "\tFile type not recognised before EOF!");
+ } else {
+ LYXERR(Debug::GRAPHICS, "Recognised Fileformat: " << format);
+ return format;
+ }
+
+ LYXERR(Debug::GRAPHICS, "filetools(getFormatFromContents)\n"
+ << "\tCouldn't find a known format!");
+ return string();
+}
+
+}
+
+
string Formats::getFormatFromFile(FileName const & filename) const
{
if (filename.empty())
return string();
- string const format = filename.guessFormatFromContents();
+#ifdef HAVE_MAGIC_H
+ if (filename.exists()) {
+ magic_t magic_cookie = magic_open(MAGIC_MIME);
+ if (magic_cookie) {
+ string format;
+ if (magic_load(magic_cookie, NULL) != 0) {
+ LYXERR(Debug::GRAPHICS, "Formats::getFormatFromFile\n"
+ << "\tCouldn't load magic database - "
+ << magic_error(magic_cookie));
+ } else {
+ char const * result = magic_file(magic_cookie,
+ filename.toFilesystemEncoding().c_str());
+ string mime;
+ if (result)
+ mime = token(result, ';', 0);
+ else {
+ LYXERR(Debug::GRAPHICS, "Formats::getFormatFromFile\n"
+ << "\tCouldn't query magic database - "
+ << magic_error(magic_cookie));
+ }
+ // we need our own ps/eps detection
+ if (!mime.empty() && mime != "application/postscript" &&
+ mime != "text/plain") {
+ Formats::const_iterator cit =
+ find_if(formatlist.begin(), formatlist.end(),
+ FormatMimeEqual(mime));
+ if (cit != formats.end()) {
+ LYXERR(Debug::GRAPHICS, "\tgot format from MIME type: "
+ << mime << " -> " << cit->name());
+ format = cit->name();
+ }
+ }
+ }
+ magic_close(magic_cookie);
+ if (!format.empty())
+ return format;
+ }
+ }
+#endif
+
+ string const format = guessFormatFromContents(filename);
string const ext = getExtension(filename.absFileName());
- if ((format == "gzip" || format == "zip" || format == "compress")
- && !ext.empty()) {
+ if (isZippedFileFormat(format) && !ext.empty()) {
string const & fmt_name = formats.getFormatFromExtension(ext);
if (!fmt_name.empty()) {
Format const * p_format = formats.getFormat(fmt_name);
}
-string Formats::getFormatFromPrettyName(string const & prettyname) const
-{
- if (!prettyname.empty()) {
- Formats::const_iterator cit =
- find_if(formatlist.begin(), formatlist.end(),
- FormatPrettyNameEqual(prettyname));
- if (cit != formats.end())
- return cit->name();
- }
- return string();
-}
-
-
/// Used to store last timestamp of file and whether it is (was) zipped
struct ZippedInfo {
bool zipped;
};
+// FIXME THREAD
/// Mapping absolute pathnames of files to their ZippedInfo metadata.
static std::map<std::string, ZippedInfo> zipped_;
return it->second.zipped;
string const & format = getFormatFromFile(filename);
bool zipped = (format == "gzip" || format == "zip");
- zipped_.insert(pair<string, ZippedInfo>(fname, ZippedInfo(zipped, timestamp)));
+ zipped_.insert(make_pair(fname, ZippedInfo(zipped, timestamp)));
return zipped;
}
+bool Formats::isZippedFileFormat(string const & format)
+{
+ return contains("gzip zip compress", format) && !format.empty();
+}
+
+
+bool Formats::isPostScriptFileFormat(string const & format)
+{
+ return format == "ps" || format == "eps";
+}
+
static string fixCommand(string const & cmd, string const & ext,
os::auto_open_mode mode)
{
{
if (!getFormat(name))
add(name, name, name, string(), string(), string(),
- Format::document);
+ string(), Format::document);
}
void Formats::add(string const & name, string const & extensions,
string const & prettyname, string const & shortcut,
string const & viewer, string const & editor,
- int flags)
+ string const & mime, int flags)
{
FormatList::iterator it =
find_if(formatlist.begin(), formatlist.end(),
FormatNamesEqual(name));
if (it == formatlist.end())
formatlist.push_back(Format(name, extensions, prettyname,
- shortcut, viewer, editor, flags));
+ shortcut, viewer, editor, mime, flags));
else
*it = Format(name, extensions, prettyname, shortcut, viewer,
- editor, flags);
+ editor, mime, flags);
}
// LinkBack files look like PDF, but have the .linkback extension
string const ext = getExtension(filename.absFileName());
- if (format_name == "pdf" && ext == "linkback") {
+ if (format_name == "pdf6" && ext == "linkback") {
#ifdef USE_MACOSX_PACKAGING
return editLinkBackFile(filename.absFileName().c_str());
#else
namespace {
+
typedef Translator<OutputParams::FLAVOR, string> FlavorTranslator;
+
FlavorTranslator initFlavorTranslator()
{
FlavorTranslator f(OutputParams::LATEX, "latex");
FlavorTranslator const & flavorTranslator()
{
- static FlavorTranslator translator = initFlavorTranslator();
+ static FlavorTranslator const translator = initFlavorTranslator();
return translator;
}
+
}