#include <fstream>
#include <iomanip>
-namespace support = lyx::support;
-
-using lyx::odocstream;
-
using std::endl;
using std::find;
using std::fill;
// Each item in the vector is a pair<snippet, image file name>.
typedef vector<StrPair> BitmapFile;
-string const unique_filename(string const bufferpath);
-Converter const * setConverter();
+string const unique_filename(string const & bufferpath)
+{
+ static int theCounter = 0;
+ string const filename = lyx::convert<string>(theCounter++) + "lyxpreview";
+ return lyx::support::addName(bufferpath, filename);
+}
+
+
+lyx::Converter const * setConverter()
+{
+ string const from = "lyxpreview";
+
+ typedef vector<string> FmtList;
+ typedef lyx::graphics::Cache GCache;
+ FmtList const loadableFormats = GCache::get().loadableFormats();
+ FmtList::const_iterator it = loadableFormats.begin();
+ FmtList::const_iterator const end = loadableFormats.end();
+
+ for (; it != end; ++it) {
+ string const to = *it;
+ if (from == to)
+ continue;
+
+ lyx::Converter const * ptr = lyx::converters.getConverter(from, to);
+ if (ptr)
+ return ptr;
+ }
+
+ static bool first = true;
+ if (first) {
+ first = false;
+ lyx::lyxerr << "PreviewLoader::startLoading()\n"
+ << "No converter from \"lyxpreview\" format has been "
+ "defined."
+ << endl;
+ }
+ return 0;
+}
+
void setAscentFractions(vector<double> & ascent_fractions,
- string const & metrics_file);
+ string const & metrics_file)
+{
+ // If all else fails, then the images will have equal ascents and
+ // descents.
+ vector<double>::iterator it = ascent_fractions.begin();
+ vector<double>::iterator end = ascent_fractions.end();
+ fill(it, end, 0.5);
+
+ ifstream in(metrics_file.c_str());
+ if (!in.good()) {
+ lyx::lyxerr[lyx::Debug::GRAPHICS]
+ << "setAscentFractions(" << metrics_file << ")\n"
+ << "Unable to open file!" << endl;
+ return;
+ }
+
+ bool error = false;
+
+ int snippet_counter = 1;
+ while (!in.eof() && it != end) {
+ string snippet;
+ int id;
+ double ascent_fraction;
+
+ in >> snippet >> id >> ascent_fraction;
+
+ if (!in.good())
+ // eof after all
+ break;
+
+ error = snippet != "Snippet";
+ if (error)
+ break;
+
+ error = id != snippet_counter;
+ if (error)
+ break;
+
+ *it = ascent_fraction;
+
+ ++snippet_counter;
+ ++it;
+ }
+
+ if (error) {
+ lyx::lyxerr[lyx::Debug::GRAPHICS]
+ << "setAscentFractions(" << metrics_file << ")\n"
+ << "Error reading file!\n" << endl;
+ }
+}
+
class FindFirst : public std::unary_function<StrPair, bool> {
public:
} // namespace anon
+
namespace lyx {
+
namespace graphics {
class PreviewLoader::Impl : public boost::signals::trackable {
Converter const * PreviewLoader::Impl::pconverter_;
+//
// The public interface, defined in PreviewLoader.h
-// ================================================
+//
+
PreviewLoader::PreviewLoader(Buffer const & b)
: pimpl_(new Impl(*this, b))
{}
void InProgress::stop() const
{
if (pid)
- support::ForkedcallsController::get().kill(pid, 0);
+ lyx::support::ForkedcallsController::get().kill(pid, 0);
if (!metrics_file.empty())
- support::unlink(metrics_file);
+ lyx::support::unlink(metrics_file);
BitmapFile::const_iterator vit = snippets.begin();
BitmapFile::const_iterator vend = snippets.end();
for (; vit != vend; ++vit) {
if (!vit->second.empty())
- support::unlink(vit->second);
+ lyx::support::unlink(vit->second);
}
}
// As used by the LaTeX file and by the resulting image files
string const directory = buffer_.temppath();
- string const filename_base(unique_filename(directory));
+ string const filename_base = unique_filename(directory);
// Create an InProgress instance to place in the map of all
// such processes if it starts correctly.
// FIXME UNICODE
// This creates an utf8 encoded file, but the proper inputenc
// command is missing.
- lyx::odocfstream of(latexfile.c_str());
+ odocfstream of(latexfile.c_str());
if (!of) {
lyxerr[Debug::GRAPHICS] << "PreviewLoader::startLoading()\n"
<< "Unable to create LaTeX file\n"
for (; it != end; ++it) {
// FIXME UNICODE
os << "\\begin{preview}\n"
- << lyx::from_utf8(it->first)
+ << from_utf8(it->first)
<< "\n\\end{preview}\n\n";
}
}
} // namespace graphics
} // namespace lyx
-namespace {
-
-string const unique_filename(string const bufferpath)
-{
- static int theCounter = 0;
- string const filename = convert<string>(theCounter++) + "lyxpreview";
- return support::addName(bufferpath, filename);
-}
-
-
-Converter const * setConverter()
-{
- string const from = "lyxpreview";
-
- typedef vector<string> FmtList;
- typedef lyx::graphics::Cache GCache;
- FmtList const loadableFormats = GCache::get().loadableFormats();
- FmtList::const_iterator it = loadableFormats.begin();
- FmtList::const_iterator const end = loadableFormats.end();
-
- for (; it != end; ++it) {
- string const to = *it;
- if (from == to)
- continue;
-
- Converter const * ptr = converters.getConverter(from, to);
- if (ptr)
- return ptr;
- }
-
- static bool first = true;
- if (first) {
- first = false;
- lyxerr << "PreviewLoader::startLoading()\n"
- << "No converter from \"lyxpreview\" format has been "
- "defined."
- << endl;
- }
-
- return 0;
-}
-
-
-void setAscentFractions(vector<double> & ascent_fractions,
- string const & metrics_file)
-{
- // If all else fails, then the images will have equal ascents and
- // descents.
- vector<double>::iterator it = ascent_fractions.begin();
- vector<double>::iterator end = ascent_fractions.end();
- fill(it, end, 0.5);
-
- ifstream in(metrics_file.c_str());
- if (!in.good()) {
- lyxerr[Debug::GRAPHICS]
- << "setAscentFractions(" << metrics_file << ")\n"
- << "Unable to open file!" << endl;
- return;
- }
-
- bool error = false;
-
- int snippet_counter = 1;
- while (!in.eof() && it != end) {
- string snippet;
- int id;
- double ascent_fraction;
-
- in >> snippet >> id >> ascent_fraction;
-
- if (!in.good())
- // eof after all
- break;
-
- error = snippet != "Snippet";
- if (error)
- break;
-
- error = id != snippet_counter;
- if (error)
- break;
-
- *it = ascent_fraction;
-
- ++snippet_counter;
- ++it;
- }
-
- if (error) {
- lyxerr[Debug::GRAPHICS]
- << "setAscentFractions(" << metrics_file << ")\n"
- << "Error reading file!\n" << endl;
- }
-}
-
-} // namespace anon
projects / lyx.git / blobdiff