]> git.lyx.org Git - lyx.git/blobdiff - src/Format.cpp
de.po
[lyx.git] / src / Format.cpp
index b7a8c20b94cbfb8c2caf11342b0fc6c32f1878aa..d639dbfd9fca1b9efe75ef91ac45a06fd5222284 100644 (file)
 #include "frontends/alert.h" //to be removed?
 
 #include "support/debug.h"
+#include "support/docstream.h"
 #include "support/filetools.h"
 #include "support/gettext.h"
 #include "support/lstrings.h"
+#include "support/lyxmagic.h"
 #include "support/mutex.h"
-#include "support/docstream.h"
 #include "support/os.h"
 #include "support/PathChanger.h"
 #include "support/Systemcall.h"
@@ -31,6 +32,7 @@
 #include "support/Translator.h"
 
 #include <algorithm>
+#include <functional>
 #include <map>
 #include <ctime>
 
 #include "support/linkback/LinkBackProxy.h"
 #endif
 
-#ifdef HAVE_MAGIC_H
-#include <magic.h>
-#endif
-
 using namespace std;
 using namespace lyx::support;
 
@@ -57,53 +55,9 @@ string const token_from_format("$$i");
 string const token_path_format("$$p");
 string const token_socket_format("$$a");
 
-
-class FormatNamesEqual : public unary_function<Format, bool> {
-public:
-       FormatNamesEqual(string const & name)
-               : name_(name)
-       {}
-       bool operator()(Format const & f) const
-       {
-               return f.name() == name_;
-       }
-private:
-       string name_;
-};
-
-
-class FormatExtensionsEqual : public unary_function<Format, bool> {
-public:
-       FormatExtensionsEqual(string const & extension)
-               : extension_(extension)
-       {}
-       bool operator()(Format const & f) const
-       {
-               return f.hasExtension(extension_);
-       }
-private:
-       string extension_;
-};
-
-
-class FormatMimeEqual : public unary_function<Format, bool> {
-public:
-       FormatMimeEqual(string const & mime)
-               : mime_(mime)
-       {}
-       bool operator()(Format const & f) const
-       {
-               // The test for empty mime strings is needed since we allow
-               // formats with empty mime types.
-               return f.mime() == mime_ && !mime_.empty();
-       }
-private:
-       string mime_;
-};
-
-
 } // namespace
 
+
 bool Format::formatSorter(Format const * lhs, Format const * rhs)
 {
        return compare_locale(translateIfPossible(lhs->prettyname()),
@@ -167,17 +121,39 @@ void Format::setExtensions(string const & e)
 }
 
 
+namespace {
+
+std::function<bool (Format const &)> FormatNameIs(string const & name)
+{
+       return [name](Format const & f){ return f.name() == name; };
+}
+
+}
+
 // This method should return a reference, and throw an exception
 // if the format named name cannot be found (Lgb)
 Format const * Formats::getFormat(string const & name) const
 {
        FormatList::const_iterator cit =
                find_if(formatlist_.begin(), formatlist_.end(),
-                       FormatNamesEqual(name));
+                       FormatNameIs(name));
        if (cit != formatlist_.end())
                return &(*cit);
        else
-               return 0;
+               return nullptr;
+}
+
+
+Format * Formats::getFormat(string const & name)
+{
+       FormatList::iterator it =
+               find_if(formatlist_.begin(), formatlist_.end(),
+                               FormatNameIs(name));
+
+       if (it != formatlist_.end())
+               return &(*it);
+
+       return nullptr;
 }
 
 
@@ -232,7 +208,7 @@ string guessFormatFromContents(FileName const & fn)
        static string const zipStamp = "PK";
 
        // ZIP containers (koffice, openoffice.org etc).
-       static string const nonzipStamp = "\008\0\0\0mimetypeapplication/";
+       static string const nonzipStamp = "\010\0\0\0mimetypeapplication/";
 
        // compress
        static string const compressStamp = "\037\235";
@@ -340,6 +316,9 @@ string guessFormatFromContents(FileName const & fn)
                        // autodetect pdf format for graphics inclusion
                        format = "pdf6";
 
+               else if (contains(str, " EMF"))
+                       format = "emf";
+
                else if (contains(str, "PNG"))
                        format = "png";
 
@@ -407,52 +386,37 @@ string Formats::getFormatFromFile(FileName const & filename) const
 
        string psformat;
        string format;
-#ifdef HAVE_MAGIC_H
        if (filename.exists()) {
-               magic_t magic_cookie = magic_open(MAGIC_MIME);
-               if (magic_cookie) {
-                       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));
-                               }
-                               // our own detection is better for binary files (can be anything)
-                               // and different plain text formats
-                               if (!mime.empty() && mime != "application/octet-stream" &&
-                                   mime != "text/plain") {
-                                       Formats::const_iterator cit =
-                                               find_if(formatlist_.begin(), formatlist_.end(),
-                                                       FormatMimeEqual(mime));
-                                       if (cit != formatlist_.end()) {
-                                               LYXERR(Debug::GRAPHICS, "\tgot format from MIME type: "
-                                                       << mime << " -> " << cit->name());
-                                               // See special eps/ps handling below
-                                               if (mime == "application/postscript")
-                                                       psformat = cit->name();
-                                               else
-                                                       format = cit->name();
-                                       }
-                               }
+               // one instance of Magic that will be reused for next calls
+               // This avoids to read the magic file everytime
+               // If libmagic is not available, Magic::file returns an empty string.
+               static Magic magic;
+               string const result = magic.file(filename.toFilesystemEncoding());
+               string const mime = token(result, ';', 0);
+               // our own detection is better for binary files (can be anything)
+               // and different plain text formats
+               if (!mime.empty() && mime != "application/octet-stream" &&
+                       mime != "text/plain") {
+                       Formats::const_iterator cit =
+                               find_if(formatlist_.begin(), formatlist_.end(),
+                                               [mime](Format const & f){ return f.mime() == mime; });
+                       if (cit != formatlist_.end()) {
+                               LYXERR(Debug::GRAPHICS, "\tgot format from MIME type: "
+                                          << mime << " -> " << cit->name());
+                               // See special eps/ps handling below
+                               if (mime == "application/postscript")
+                                       psformat = cit->name();
+                               else
+                                       format = cit->name();
                        }
-                       magic_close(magic_cookie);
-                       // libmagic recognizes as latex also some formats of ours
-                       // such as pstex and pdftex. Therefore we have to perform
-                       // additional checks in this case (bug 9244).
-                       if (!format.empty() && format != "latex")
-                               return format;
                }
+
+               // libmagic recognizes as latex also some formats of ours
+               // such as pstex and pdftex. Therefore we have to perform
+               // additional checks in this case (bug 9244).
+               if (!format.empty() && format != "latex")
+                       return format;
        }
-#endif
 
        string const ext = getExtension(filename.absFileName());
        if (format.empty()) {
@@ -501,7 +465,7 @@ string Formats::getFormatFromExtension(string const & ext) const
                // but better than nothing
                Formats::const_iterator cit =
                        find_if(formatlist_.begin(), formatlist_.end(),
-                               FormatExtensionsEqual(ext));
+                               [ext](Format const & f){ return f.hasExtension(ext); });
                if (cit != formatlist_.end()) {
                        LYXERR(Debug::GRAPHICS, "\twill guess format from file extension: "
                                << ext << " -> " << cit->name());
@@ -590,11 +554,11 @@ int Formats::getNumber(string const & name) const
 {
        FormatList::const_iterator cit =
                find_if(formatlist_.begin(), formatlist_.end(),
-                       FormatNamesEqual(name));
-       if (cit != formatlist_.end())
-               return distance(formatlist_.begin(), cit);
-       else
+                       FormatNameIs(name));
+       if (cit == formatlist_.end())
                return -1;
+
+       return distance(formatlist_.begin(), cit);
 }
 
 
@@ -611,15 +575,13 @@ void Formats::add(string const & name, string const & extensions,
                  string const & viewer, string const & editor,
                  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, mime, flags));
+       Format * format = getFormat(name);
+       if (format)
+               *format = Format(name, extensions, prettyname, shortcut, viewer,
+                                editor, mime, flags);
        else
-               *it = Format(name, extensions, prettyname, shortcut, viewer,
-                            editor, mime, flags);
+               formatlist_.push_back(Format(name, extensions, prettyname,
+                                               shortcut, viewer, editor, mime, flags));
 }
 
 
@@ -627,7 +589,7 @@ void Formats::erase(string const & name)
 {
        FormatList::iterator it =
                find_if(formatlist_.begin(), formatlist_.end(),
-                       FormatNamesEqual(name));
+                       FormatNameIs(name));
        if (it != formatlist_.end())
                formatlist_.erase(it);
 }
@@ -642,22 +604,22 @@ void Formats::sort()
 void Formats::setViewer(string const & name, string const & command)
 {
        add(name);
-       FormatList::iterator it =
-               find_if(formatlist_.begin(), formatlist_.end(),
-                       FormatNamesEqual(name));
-       if (it != formatlist_.end())
-               it->setViewer(command);
+       Format * format = getFormat(name);
+       if (format)
+               format->setViewer(command);
+       else
+               LYXERR0("Unable to set viewer for non-existent format: " << name);
 }
 
 
 void Formats::setEditor(string const & name, string const & command)
 {
        add(name);
-       FormatList::iterator it =
-               find_if(formatlist_.begin(), formatlist_.end(),
-                       FormatNamesEqual(name));
-       if (it != formatlist_.end())
-               it->setEditor(command);
+       Format * format = getFormat(name);
+       if (format)
+               format->setEditor(command);
+       else
+               LYXERR0("Unable to set editor for non-existent format: " << name);
 }
 
 
@@ -680,7 +642,7 @@ bool Formats::view(Buffer const & buffer, FileName const & filename,
 // by the caller (this should be "utility" code)
                Alert::error(_("Cannot view file"),
                        bformat(_("No information for viewing %1$s"),
-                               prettyName(format_name)));
+                               translateIfPossible(prettyName(format_name))));
                return false;
        }
        // viewer is 'auto'
@@ -697,6 +659,28 @@ bool Formats::view(Buffer const & buffer, FileName const & filename,
 
        string command = format->viewer();
 
+       // Escape backslashes if not already in double or single quotes.
+       // We cannot simply quote the whole command as there may be arguments.
+       if (contains(command, '\\')) {
+               bool inquote1 = false;
+               bool inquote2 = false;
+               string::iterator cit = command.begin();
+               for (; cit != command.end(); ++cit) {
+                       switch (*cit) {
+                       case '"':
+                               inquote1 = !inquote1;
+                               break;
+                       case '\'':
+                               inquote2 = !inquote2;
+                               break;
+                       case '\\':
+                               if (!inquote1 && !inquote2)
+                                       cit = ++command.insert(cit, '\\');
+                               break;
+                       }
+               }
+       }
+
        if (format_name == "dvi" &&
            !lyxrc.view_dvi_paper_option.empty()) {
                string paper_size = buffer.params().paperSizeName(BufferParams::XDVI);
@@ -762,7 +746,7 @@ bool Formats::edit(Buffer const & buffer, FileName const & filename,
 // be done by the caller (this should be "utility" code)
                Alert::error(_("Cannot edit file"),
                        bformat(_("No information for editing %1$s"),
-                               prettyName(format_name)));
+                               translateIfPossible(prettyName(format_name))));
                return false;
        }
 
@@ -843,7 +827,7 @@ FlavorTranslator initFlavorTranslator()
        f.addPair(OutputParams::LUATEX, "luatex");
        f.addPair(OutputParams::PDFLATEX, "pdflatex");
        f.addPair(OutputParams::XETEX, "xetex");
-       f.addPair(OutputParams::XML, "docbook-xml");
+       f.addPair(OutputParams::DOCBOOK5, "docbook-xml");
        f.addPair(OutputParams::HTML, "xhtml");
        f.addPair(OutputParams::TEXT, "text");
        f.addPair(OutputParams::LYX, "lyx");