X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FConverterCache.cpp;h=bee02536524e2d13de84a30d9ea25b7f691d7bfe;hb=1bd49f9c39b103b2d8bbe079bc603cfa47509ae5;hp=61df9d062dbb8e136d1154cb7b2e4d592c264100;hpb=6b2232a29c682d8e62d1d2b963bb1a70bee4330b;p=lyx.git

diff --git a/src/ConverterCache.cpp b/src/ConverterCache.cpp
index 61df9d062d..bee0253652 100644
--- a/src/ConverterCache.cpp
+++ b/src/ConverterCache.cpp
@@ -49,13 +49,14 @@ unsigned long do_crc(string const & s)
 }
 
 
+// FIXME THREAD
+// This should be OK because it is only assigned during init()
 static FileName cache_dir;
 
 
 class CacheItem {
 public:
-	CacheItem()
-	{}
+	CacheItem() : timestamp(0), checksum(0) {}
 	CacheItem(FileName const & orig_from, string const & to_format,
 		  time_t t, unsigned long c)
 		: timestamp(t), checksum(c)
@@ -75,7 +76,7 @@ public:
 	unsigned long checksum;
 };
 
-}
+} // namespace
 
 
 /** The cache contains one item per orig file and target format, so use a
@@ -158,7 +159,11 @@ void ConverterCache::Impl::readIndex()
 		FormatCache & format_cache = cache[orig_from_name];
 		if (format_cache.from_format.empty())
 			format_cache.from_format =
-				formats.getFormatFromFile(orig_from_name);
+				// FIXME perf: This very expensive function is called on all
+				// cached files on opening. This slows LyX startup a lot. It
+				// would be better if this information was retrieved in a
+				// delayed fashion.
+				theFormats().getFormatFromFile(orig_from_name);
 		format_cache.cache[to_format] = item;
 	}
 	is.close();
@@ -193,14 +198,14 @@ CacheItem * ConverterCache::Impl::find(FileName const & from,
 		string const & format)
 {
 	if (!lyxrc.use_converter_cache)
-		return 0;
+		return nullptr;
 	CacheType::iterator const it1 = cache.find(from);
 	if (it1 == cache.end())
-		return 0;
+		return nullptr;
 	FormatCacheType & format_cache = it1->second.cache;
 	FormatCacheType::iterator const it2 = format_cache.find(format);
 	if (it2 == format_cache.end())
-		return 0;
+		return nullptr;
 	return &(it2->second);
 }
 
@@ -239,6 +244,8 @@ void ConverterCache::init()
 	cache_dir = FileName(addName(package().user_support().absFileName(), "cache"));
 	if (!cache_dir.exists())
 		if (!cache_dir.createDirectory(0700)) {
+			// FIXME This should really be displayed as a message. But the GUI
+			// does not exist yet.
 			lyxerr << "Could not create cache directory `"
 			       << cache_dir << "'." << endl;
 			exit(EXIT_FAILURE);
@@ -249,7 +256,7 @@ void ConverterCache::init()
 
 void ConverterCache::writeIndex() const
 {
-	if (!lyxrc.use_converter_cache 
+	if (!lyxrc.use_converter_cache
 		  || cache_dir.empty())
 		return;
 	pimpl_->writeIndex();
@@ -271,7 +278,7 @@ void ConverterCache::add(FileName const & orig_from, string const & to_format,
 		add(orig_from, "eps", converted_eps);
 	} else if (to_format == "pdftex") {
 		FileName const converted_pdf(changeExtension(converted_file.absFileName(), "pdf"));
-		add(orig_from, "pdf", converted_pdf);
+		add(orig_from, "pdf6", converted_pdf);
 	}
 
 	// Is the file in the cache already?
@@ -315,7 +322,7 @@ void ConverterCache::add(FileName const & orig_from, string const & to_format,
 			FormatCache & format_cache = pimpl_->cache[orig_from];
 			if (format_cache.from_format.empty())
 				format_cache.from_format =
-					formats.getFormatFromFile(orig_from);
+					theFormats().getFormatFromFile(orig_from);
 			format_cache.cache[to_format] = new_item;
 		} else
 			LYXERR(Debug::FILES, "ConverterCache::add(" << orig_from << "):\n"
@@ -396,6 +403,20 @@ bool ConverterCache::inCache(FileName const & orig_from,
 		LYXERR(Debug::FILES, "not in cache.");
 		return false;
 	}
+
+	// Special handling of pstex and pdftex formats: These are only
+	// considered to be in the cache if the corresponding graphics
+	// fiels are there as well. Otherwise copy() of the graphics below
+	// would fail.
+	// FIXME: Should not hardcode this (see bug 3819 for details)
+	if (to_format == "pstex") {
+		if (!inCache(orig_from, "eps"))
+			return false;
+	} else if (to_format == "pdftex") {
+		if (!inCache(orig_from, "pdf6"))
+			return false;
+	}
+
 	time_t const timestamp = orig_from.lastModified();
 	if (item->timestamp == timestamp) {
 		LYXERR(Debug::FILES, "identical timestamp.");
@@ -417,7 +438,7 @@ FileName const & ConverterCache::cacheName(FileName const & orig_from,
 	LYXERR(Debug::FILES, orig_from << ' ' << to_format);
 
 	CacheItem * const item = pimpl_->find(orig_from, to_format);
-	LASSERT(item, /**/);
+	LASSERT(item, { static const FileName fn; return fn; });
 	return item->cache_name;
 }
 
@@ -436,12 +457,12 @@ bool ConverterCache::copy(FileName const & orig_from, string const & to_format,
 			return false;
 	} else if (to_format == "pdftex") {
 		FileName const dest_pdf(changeExtension(dest.absFileName(), "pdf"));
-		if (!copy(orig_from, "pdf", dest_pdf))
+		if (!copy(orig_from, "pdf6", dest_pdf))
 			return false;
 	}
 
 	CacheItem * const item = pimpl_->find(orig_from, to_format);
-	LASSERT(item, /**/);
+	LASSERT(item, return false);
 	Mover const & mover = getMover(to_format);
 	return mover.copy(item->cache_name, dest,
 	                  onlyFileName(dest.absFileName()));